(50c25dbf6) Added a "back" button that closes the credits, minor credits tweaks

Barotrauma/BarotraumaClient/Source/Characters/AI/EnemyAIController.cs

@@ -91,7 +91,7 @@ namespace Barotrauma
 
                         GUI.SmallFont.DrawString(spriteBatch,
                             currentNode.ID.ToString(),
-                            new Vector2(currentNode.DrawPosition.X - 10, -currentNode.DrawPosition.Y - 30),
+                            new Vector2(currentNode.DrawPosition.X + 20, -currentNode.DrawPosition.Y - 20),
                             Color.Red);
                     }
                 }

Barotrauma/BarotraumaClient/Source/Characters/AI/HumanAIController.cs

@@ -1,6 +1,5 @@
 using Microsoft.Xna.Framework;
 using FarseerPhysics;
-using System.Linq;
 
 namespace Barotrauma
 {
@@ -38,20 +37,16 @@ namespace Barotrauma
                 var currentOrder = ObjectiveManager.CurrentOrder;
                 if (currentOrder != null)
                 {
-                    GUI.DrawString(spriteBatch, pos + textOffset, $"ORDER: {currentOrder.DebugTag} ({currentOrder.GetPriority().FormatZeroDecimal()})", Color.White, Color.Black);
-                }
-                else if (ObjectiveManager.WaitTimer > 0)
-                {
-                    GUI.DrawString(spriteBatch, pos + textOffset, $"Waiting... {ObjectiveManager.WaitTimer.FormatZeroDecimal()}", Color.White, Color.Black);
+                    GUI.DrawString(spriteBatch, pos + textOffset, $"ORDER: {currentOrder.DebugTag} ({currentOrder.GetPriority(ObjectiveManager).FormatZeroDecimal()})", Color.White, Color.Black);
                 }
                 var currentObjective = ObjectiveManager.CurrentObjective;
                 if (currentObjective != null)
                 {
-                    GUI.DrawString(spriteBatch, pos + textOffset + new Vector2(0, 20), $"OBJECTIVE: {currentObjective.DebugTag} ({currentObjective.GetPriority().FormatZeroDecimal()})", Color.White, Color.Black);
-                    var subObjective = currentObjective.SubObjectives.FirstOrDefault();
+                    GUI.DrawString(spriteBatch, pos + textOffset + new Vector2(0, 20), $"OBJECTIVE: {currentObjective.DebugTag} ({currentObjective.GetPriority(ObjectiveManager).FormatZeroDecimal()})", Color.White, Color.Black);
+                    var subObjective = currentObjective.CurrentSubObjective;
                     if (subObjective != null)
                     {
-                        GUI.DrawString(spriteBatch, pos + textOffset + new Vector2(0, 40), $"SUBOBJECTIVE: {subObjective.DebugTag} ({subObjective.GetPriority().FormatZeroDecimal()})", Color.White, Color.Black);
+                        GUI.DrawString(spriteBatch, pos + textOffset + new Vector2(0, 40), $"SUBOBJECTIVE: {subObjective.DebugTag} ({subObjective.GetPriority(ObjectiveManager).FormatZeroDecimal()})", Color.White, Color.Black);
                     }
                 }
             }
@@ -80,8 +75,8 @@ namespace Barotrauma
 
                         GUI.SmallFont.DrawString(spriteBatch,
                             currentNode.ID.ToString(),
-                            new Vector2(currentNode.DrawPosition.X - 10, -currentNode.DrawPosition.Y - 30),
-                            Color.Blue);
+                            new Vector2(currentNode.DrawPosition.X + 20, -currentNode.DrawPosition.Y - 20),
+                            Color.SkyBlue);
                     }
                 }
             }

Barotrauma/BarotraumaClient/Source/Characters/Animation/Ragdoll.cs

@@ -152,6 +152,32 @@ namespace Barotrauma
 
                 }
 
+                if (character.MemLocalState.Count > 120) character.MemLocalState.RemoveRange(0, character.MemLocalState.Count - 120);
+                character.MemState.Clear();
+            }
+        }
+        
+        partial void ImpactProjSpecific(float impact, Body body)
+        {
+            float volume = MathHelper.Clamp(impact - 3.0f, 0.5f, 1.0f);
+
+            if (body.UserData is Limb limb && character.Stun <= 0f)
+            {
+                if (impact > 3.0f) { PlayImpactSound(limb); }
+            }
+            else if (body.UserData is Limb || body == Collider.FarseerBody)
+            {
+                if (!character.IsRemotePlayer && impact > ImpactTolerance)
+                {
+                    SoundPlayer.PlayDamageSound("LimbBlunt", strongestImpact, Collider);
+                }
+            }
+            if (Character.Controlled == character)
+            {
+                GameMain.GameScreen.Cam.Shake = Math.Min(Math.Max(strongestImpact, GameMain.GameScreen.Cam.Shake), 3.0f);
+            }
+        }
+
                 if (character.MemState.Count < 1) return;
 
                 overrideTargetMovement = Vector2.Zero;

Barotrauma/BarotraumaClient/Source/GUI/LoadingScreen.cs

@@ -18,21 +18,38 @@ namespace Barotrauma
         private Sprite languageSelectionCursor;
         private ScalableFont languageSelectionFont;
 
-        private Video splashScreen;
-        public Video SplashScreen
+        private Video currSplashScreen;
+        private DateTime videoStartTime;
+
+        private Queue<Pair<string, Point>> pendingSplashScreens = new Queue<Pair<string, Point>>();
+        /// <summary>
+        /// Pair.first = filepath, Pair.second = resolution
+        /// </summary>
+        public Queue<Pair<string, Point>> PendingSplashScreens
         {
             get
             {
                 lock (loadMutex)
                 {
-                    return splashScreen;
+                    return pendingSplashScreens;
                 }
             }
             set
             {
                 lock (loadMutex)
                 {
-                    splashScreen = value;
+                    pendingSplashScreens = value;
+                }
+            }
+        }
+
+        public bool PlayingSplashScreen
+        {
+            get
+            {
+                lock (loadMutex)
+                {
+                    return currSplashScreen != null;
                 }
             }
         }
@@ -100,8 +117,8 @@ namespace Barotrauma
             {
                 try
                 {
-                    DrawSplashScreen(spriteBatch);
-                    if (SplashScreen != null && SplashScreen.IsPlaying) return;
+                    DrawSplashScreen(spriteBatch, graphics);
+                    if (currSplashScreen != null || PendingSplashScreens.Count > 0) { return; }
                 }
                 catch (Exception e)
                 {
@@ -201,46 +218,77 @@ namespace Barotrauma
         {
             if (languageSelectionFont == null)
             {
-                languageSelectionFont = new ScalableFont("Content/Fonts/BebasNeue-Regular.otf", 28, graphicsDevice);
+                languageSelectionFont = new ScalableFont("Content/Fonts/BebasNeue-Regular.otf", (uint)(30 * (GameMain.GraphicsHeight / 1080.0f)), graphicsDevice);
             }
             if (languageSelectionCursor == null)
             {
                 languageSelectionCursor = new Sprite("Content/UI/cursor.png", Vector2.Zero);
             }
 
-            Vector2 textPos = new Vector2(GameMain.GraphicsWidth / 2, GameMain.GraphicsHeight * 0.25f);
+            Vector2 textPos = new Vector2(GameMain.GraphicsWidth / 2, GameMain.GraphicsHeight * 0.3f);
             Vector2 textSpacing = new Vector2(0.0f, (GameMain.GraphicsHeight * 0.5f) / TextManager.AvailableLanguages.Count());
             foreach (string language in TextManager.AvailableLanguages)
             {
-                languageSelectionFont.DrawString(spriteBatch, language, textPos - languageSelectionFont.MeasureString(language) / 2, Color.White * 0.8f);
+                Vector2 textSize = languageSelectionFont.MeasureString(language);
+                bool hover = 
+                    Math.Abs(PlayerInput.MousePosition.X - textPos.X) < textSize.X / 2 && 
+                    Math.Abs(PlayerInput.MousePosition.Y - textPos.Y) < textSpacing.Y / 2;
+
+                //TODO: display the name of the language in the target language?
+                languageSelectionFont.DrawString(spriteBatch, language, textPos - textSize / 2, 
+                    hover ? Color.White : Color.White * 0.6f);
+                if (hover && PlayerInput.LeftButtonClicked())
+                {
+                    GameMain.Config.Language = language;
+                    WaitForLanguageSelection = false;
+                }
+
                 textPos += textSpacing;
             }
 
             languageSelectionCursor.Draw(spriteBatch, PlayerInput.LatestMousePosition);
         }
 
-        private void DrawSplashScreen(SpriteBatch spriteBatch)
+        private void DrawSplashScreen(SpriteBatch spriteBatch, GraphicsDevice graphics)
         {
-            if (SplashScreen != null)
-            {
-                if (SplashScreen.IsPlaying)
-                {
-                    spriteBatch.Begin();
-                    spriteBatch.Draw(SplashScreen.GetTexture(), new Rectangle(0, 0, GameMain.GraphicsWidth, GameMain.GraphicsHeight), Color.White);
-                    spriteBatch.End();
+            if (currSplashScreen == null && PendingSplashScreens.Count == 0) { return; }
 
-                    if (PlayerInput.KeyHit(Keys.Space) || PlayerInput.KeyHit(Keys.Enter) || PlayerInput.LeftButtonDown())
-                    {
-                        SplashScreen.Dispose(); SplashScreen = null;
-                    }
-                }
-                else
+            if (currSplashScreen == null)
+            {
+                var newSplashScreen = PendingSplashScreens.Dequeue();
+                string fileName = newSplashScreen.First;
+                Point resolution = newSplashScreen.Second;
+                try
                 {
-                    SplashScreen.Dispose(); SplashScreen = null;
+                    currSplashScreen = new Video(graphics, GameMain.SoundManager, fileName, (uint)resolution.X, (uint)resolution.Y);
+                    videoStartTime = DateTime.Now;
                 }
-            }            
+                catch (Exception e)
+                {
+                    GameMain.Config.EnableSplashScreen = false;
+                    DebugConsole.ThrowError("Playing the splash screen \"" + fileName + "\" failed.", e);
+                    PendingSplashScreens.Clear();
+                    currSplashScreen = null;
+                }
+            }
+
+            if (currSplashScreen.IsPlaying)
+            {
+                spriteBatch.Begin();
+                spriteBatch.Draw(currSplashScreen.GetTexture(), new Rectangle(0, 0, GameMain.GraphicsWidth, GameMain.GraphicsHeight), Color.White);
+                spriteBatch.End();
+
+                if (PlayerInput.KeyHit(Keys.Space) || PlayerInput.KeyHit(Keys.Enter) || PlayerInput.LeftButtonDown())
+                {
+                    currSplashScreen.Dispose(); currSplashScreen = null;
+                }
+            }
+            else if (DateTime.Now > videoStartTime + new TimeSpan(0, 0, 0, 0, milliseconds: 500))
+            {
+                currSplashScreen.Dispose(); currSplashScreen = null;
+            }
         }
- 
+
         bool drawn;
         public IEnumerable<object> DoLoading(IEnumerable<object> loader)
         {

Barotrauma/BarotraumaClient/Source/GameMain.cs

@@ -270,21 +270,24 @@ namespace Barotrauma
             WaterRenderer.Instance = new WaterRenderer(base.GraphicsDevice, Content);
 
             loadingScreenOpen = true;
-            TitleScreen = new LoadingScreen(GraphicsDevice);
-            TitleScreen.WaitForLanguageSelection = Config.ShowLanguageSelectionPrompt;
+            TitleScreen = new LoadingScreen(GraphicsDevice)
+            {
+                WaitForLanguageSelection = Config.ShowLanguageSelectionPrompt
+            };
 
             bool canLoadInSeparateThread = false;
 #if WINDOWS
             canLoadInSeparateThread = true;
 #endif
 
-            loadingCoroutine = CoroutineManager.StartCoroutine(Load(), "", canLoadInSeparateThread);
+            loadingCoroutine = CoroutineManager.StartCoroutine(Load(canLoadInSeparateThread), "", canLoadInSeparateThread);
         }
         
         private void InitUserStats()
         {
             if (GameSettings.ShowUserStatisticsPrompt)
             {
+                //TODO: translate
                 var userStatsPrompt = new GUIMessageBox(
                     "Do you want to help us make Barotrauma better?",
                     "Do you allow Barotrauma to send usage statistics and error reports to the developers? The data is anonymous, " +
@@ -334,16 +337,21 @@ namespace Barotrauma
             SoundManager.SetCategoryGainMultiplier("voip", Config.VoiceChatVolume);
             if (Config.EnableSplashScreen)
             {
-                try
+                var pendingSplashScreens = TitleScreen.PendingSplashScreens;
+                pendingSplashScreens?.Enqueue(new Pair<string, Point>("Content/Splash_UTG.mp4", new Point(1280, 720)));
+                pendingSplashScreens?.Enqueue(new Pair<string, Point>("Content/Splash_FF.mp4", new Point(1280, 720)));
+                pendingSplashScreens?.Enqueue(new Pair<string, Point>("Content/Splash_Daedalic.mp4", new Point(1920, 1080)));
+            }
+
+            //if not loading in a separate thread, wait for the splash screens to finish before continuing the loading
+            //otherwise the videos will look extremely choppy
+            if (!isSeparateThread)
+            {
+                while (TitleScreen.PlayingSplashScreen || TitleScreen.PendingSplashScreens.Count > 0)
                 {
-                    (TitleScreen as LoadingScreen).SplashScreen = new Video(base.GraphicsDevice, SoundManager, "Content/splashscreen.mp4", 1280, 720);
+                    yield return CoroutineStatus.Running;
                 }
-                catch (Exception e)
-                {
-                    Config.EnableSplashScreen = false;
-                    DebugConsole.ThrowError("Playing the splash screen failed.", e);
-                }
-             }
+            }
 
             GUI.Init(Window, Config.SelectedContentPackages, GraphicsDevice);
             DebugConsole.Init();

Barotrauma/BarotraumaClient/Source/GameSession/CrewManager.cs

@@ -74,12 +74,17 @@ namespace Barotrauma
         public CrewManager(XElement element, bool isSinglePlayer)
             : this(isSinglePlayer)
         {
-            if (!isSinglePlayer)
+            if (GameMain.Client != null)
             {
-                DebugConsole.ThrowError("Cannot add messages to single player chat box in multiplayer mode!\n" + Environment.StackTrace);
+                //let the server create random conversations in MP
                 return;
             }
-            if (string.IsNullOrEmpty(text)) { return; }
+            List<Character> availableSpeakers = Character.CharacterList.FindAll(c =>
+                c.AIController is HumanAIController &&
+                !c.IsDead &&
+                c.SpeechImpediment <= 100.0f);
+            pendingConversationLines.AddRange(NPCConversation.CreateRandom(availableSpeakers));
+        }
 
                 var characterInfo = new CharacterInfo(subElement);
                 characterInfos.Add(characterInfo);
@@ -90,7 +95,6 @@ namespace Barotrauma
                     break;
                 }
             }
-            ChatBox.AddMessage(ChatMessage.Create(senderName, text, messageType, sender));
         }
 
         partial void InitProjectSpecific()
@@ -195,7 +199,6 @@ namespace Barotrauma
                         if (Character.Controlled == null || Character.Controlled.SpeechImpediment >= 100.0f) return false;
                         SetCharacterOrder(null, order, null, Character.Controlled);
                         HumanAIController.PropagateHullSafety(Character.Controlled, Character.Controlled.CurrentHull);
-                        HumanAIController.RefreshTargets(Character.Controlled, order, Character.Controlled.CurrentHull);
                         return true;
                     },
                     UserData = order,
@@ -239,27 +242,24 @@ namespace Barotrauma
 
         public IEnumerable<Character> GetCharacters()
         {
-            if (character?.Inventory == null) return null;
+            if (characterInfos.Contains(characterInfo))
+            {
+                DebugConsole.ThrowError("Tried to add the same character info to CrewManager twice.\n" + Environment.StackTrace);
+                return;
+            }
 
-            var radioItem = character.Inventory.Items.FirstOrDefault(it => it != null && it.GetComponent<WifiComponent>() != null);
-            if (radioItem == null) return null;
-            if (requireEquipped && !character.HasEquippedItem(radioItem)) return null;
-
-            return radioItem.GetComponent<WifiComponent>();
+            characterInfos.Add(characterInfo);
         }
 
         public IEnumerable<CharacterInfo> GetCharacterInfos()
         {
-            if (GameMain.Client != null)
+            if (character == null)
             {
-                //let the server create random conversations in MP
+                DebugConsole.ThrowError("Tried to remove a null character from CrewManager.\n" + Environment.StackTrace);
                 return;
             }
-            List<Character> availableSpeakers = Character.CharacterList.FindAll(c =>
-                c.AIController is HumanAIController &&
-                !c.IsDead &&
-                c.SpeechImpediment <= 100.0f);
-            pendingConversationLines.AddRange(NPCConversation.CreateRandom(availableSpeakers));
+            characters.Remove(character);
+            if (removeInfo) characterInfos.Remove(character.Info);
         }
 
         public void AddCharacter(Character character)
@@ -633,9 +633,183 @@ namespace Barotrauma
             {
                 characterListBox.BarScroll = roundedPos;
             }
-            soundIcon.Visible = !muted && !mutedLocally;
-            soundIconDisabled.Visible = muted || mutedLocally;
-            soundIconDisabled.ToolTip = TextManager.Get(mutedLocally ? "MutedLocally" : "MutedGlobally");
+            var characterArea = new GUIButton(new RectTransform(new Point(characterInfoWidth, frame.Rect.Height), frame.RectTransform, Anchor.CenterLeft), style: "GUITextBox")
+            {
+                UserData = character,
+                Color = frame.Color,
+                SelectedColor = frame.SelectedColor,
+                HoverColor = frame.HoverColor,
+                ToolTip = characterToolTip
+            };
+
+            var soundIcon = new GUIImage(new RectTransform(new Point((int)(characterArea.Rect.Height * 0.5f)), characterArea.RectTransform, Anchor.CenterRight) { AbsoluteOffset = new Point(5, 0) },
+                "GUISoundIcon")
+            {
+                UserData = "soundicon",
+                CanBeFocused = false,
+                Visible = true
+            };
+            soundIcon.Color = new Color(soundIcon.Color, 0.0f);
+            new GUIImage(new RectTransform(new Point((int)(characterArea.Rect.Height * 0.5f)), characterArea.RectTransform, Anchor.CenterRight) { AbsoluteOffset = new Point(5, 0) },
+                "GUISoundIconDisabled")
+            {
+                UserData = "soundicondisabled",
+                CanBeFocused = true,
+                Visible = false
+            };
+
+            if (isSinglePlayer)
+            {
+                characterArea.OnClicked = CharacterClicked;
+            }
+            else
+            {
+                characterArea.CanBeFocused = false;
+                characterArea.CanBeSelected = false;
+            }
+
+            var characterImage = new GUICustomComponent(new RectTransform(new Point(characterArea.Rect.Height), characterArea.RectTransform, Anchor.CenterLeft),
+                onDraw: (sb, component) => character.Info.DrawIcon(sb, component.Rect.Center.ToVector2(), targetAreaSize: component.Rect.Size.ToVector2()))
+            {
+                CanBeFocused = false,
+                HoverColor = Color.White,
+                SelectedColor = Color.White,
+                ToolTip = characterToolTip
+            };
+
+            var characterName = new GUITextBlock(new RectTransform(new Point(characterArea.Rect.Width - characterImage.Rect.Width - soundIcon.Rect.Width - 10, characterArea.Rect.Height),
+                characterArea.RectTransform, Anchor.CenterRight) { AbsoluteOffset = new Point(soundIcon.Rect.Width + 10, 0) },
+                character.Name, textColor: frame.Color, font: GUI.SmallFont, wrap: true)
+            {
+                Color = frame.Color,
+                HoverColor = Color.Transparent,
+                SelectedColor = Color.Transparent,
+                CanBeFocused = false,
+                ToolTip = characterToolTip,
+                AutoScale = true
+            };
+
+            //---------------- order buttons ----------------
+
+            var orderButtonFrame = new GUILayoutGroup(new RectTransform(new Point(100, frame.Rect.Height), frame.RectTransform)
+            { AbsoluteOffset = new Point(characterInfoWidth + spacing, 0) },
+                isHorizontal: true, childAnchor: Anchor.CenterLeft)
+            {
+                AbsoluteSpacing = (int)(10 * GUI.Scale),
+                UserData = "orderbuttons",
+                CanBeFocused = false
+            };
+
+            //listbox for holding the orders inappropriate for this character
+            //(so we can easily toggle their visibility)
+            var wrongOrderList = new GUIListBox(new RectTransform(new Point(50, orderButtonFrame.Rect.Height), orderButtonFrame.RectTransform), isHorizontal: true, style: null)
+            {
+                ScrollBarEnabled = false,
+                ScrollBarVisible = false,
+                Enabled = false,
+                Spacing = spacing,
+                ClampMouseRectToParent = false
+            };
+            wrongOrderList.Content.ClampMouseRectToParent = false;
+
+            for (int i = 0; i < orders.Count; i++)
+            {
+                var order = orders[i];
+                if (order.TargetAllCharacters) continue;
+
+                RectTransform btnParent = (i >= correctOrderCount + neutralOrderCount) ?
+                    wrongOrderList.Content.RectTransform :
+                    orderButtonFrame.RectTransform;
+
+                var btn = new GUIButton(new RectTransform(new Point(iconSize, iconSize), btnParent, Anchor.CenterLeft),
+                    style: null)
+                {
+                    UserData = order
+                };
+
+                new GUIFrame(new RectTransform(new Vector2(1.5f), btn.RectTransform, Anchor.Center), "OuterGlow")
+                {
+                    Color = Color.Lerp(order.Color, frame.Color, 0.5f) * 0.8f,
+                    HoverColor = Color.Lerp(order.Color, frame.Color, 0.5f) * 1.0f,
+                    PressedColor = Color.Lerp(order.Color, frame.Color, 0.5f) * 0.6f,
+                    UserData = "selected",
+                    CanBeFocused = false,
+                    Visible = false
+                };
+
+                var img = new GUIImage(new RectTransform(Vector2.One, btn.RectTransform), order.Prefab.SymbolSprite);
+                img.Scale = iconSize / (float)img.SourceRect.Width;
+                img.Color = Color.Lerp(order.Color, frame.Color, 0.5f);
+                img.ToolTip = order.Name;
+                img.HoverColor = Color.Lerp(img.Color, Color.White, 0.5f);
+
+                btn.OnClicked += (GUIButton button, object userData) =>
+                {
+                    if (Character.Controlled == null || Character.Controlled.SpeechImpediment >= 100.0f) return false;
+
+                    if (btn.GetChildByUserData("selected").Visible)
+                    {
+                        SetCharacterOrder(character, Order.PrefabList.Find(o => o.AITag == "dismissed"), null, Character.Controlled);
+                    }
+                    else
+                    {
+                        if (order.ItemComponentType != null || order.ItemIdentifiers.Length > 0 || order.Options.Length > 1)
+                        {
+                            CreateOrderTargetFrame(button, character, order);
+                        }
+                        else
+                        {
+                            SetCharacterOrder(character, order, null, Character.Controlled);
+                        }
+                    }
+                    return true;
+                };
+                btn.UserData = order;
+                btn.ToolTip = order.Name;
+
+                //divider between different groups of orders
+                if (i == correctOrderCount - 1 || i == correctOrderCount + neutralOrderCount - 1)
+                {
+                    //TODO: divider sprite
+                    new GUIFrame(new RectTransform(new Point(8, iconSize), orderButtonFrame.RectTransform), style: "GUIButton");
+                }
+            }
+
+            var toggleWrongOrderBtn = new GUIButton(new RectTransform(new Point((int)(30 * GUI.Scale), wrongOrderList.Rect.Height), wrongOrderList.Content.RectTransform),
+                "", style: "UIToggleButton")
+            {
+                UserData = "togglewrongorder",
+                CanBeFocused = false
+            };
+
+            wrongOrderList.RectTransform.NonScaledSize = new Point(
+                wrongOrderList.Content.Children.Sum(c => c.Rect.Width + wrongOrderList.Spacing),
+                wrongOrderList.RectTransform.NonScaledSize.Y);
+            wrongOrderList.RectTransform.SetAsLastChild();
+
+            new GUIFrame(new RectTransform(new Point(
+                wrongOrderList.Rect.Width - toggleWrongOrderBtn.Rect.Width - wrongOrderList.Spacing * 2,
+                wrongOrderList.Rect.Height), wrongOrderList.Content.RectTransform),
+                style: null)
+            {
+                CanBeFocused = false
+            };
+
+            //scale to fit the content
+            orderButtonFrame.RectTransform.NonScaledSize = new Point(
+                orderButtonFrame.Children.Sum(c => c.Rect.Width + orderButtonFrame.AbsoluteSpacing),
+                orderButtonFrame.RectTransform.NonScaledSize.Y);
+
+            frame.RectTransform.NonScaledSize = new Point(
+                characterInfoWidth + spacing + (orderButtonFrame.Rect.Width - wrongOrderList.Rect.Width),
+                frame.RectTransform.NonScaledSize.Y);
+
+            characterListBox.RectTransform.NonScaledSize = new Point(
+                characterListBox.Content.Children.Max(c => c.Rect.Width) + wrongOrderList.Rect.Width,
+                characterListBox.RectTransform.NonScaledSize.Y);
+            characterListBox.Content.RectTransform.NonScaledSize = characterListBox.RectTransform.NonScaledSize;
+            characterListBox.UpdateScrollBarSize();
+            return frame;
         }
 
         private IEnumerable<object> KillCharacterAnim(GUIComponent component)
@@ -779,6 +953,12 @@ namespace Barotrauma
                 }
                 return;
             }
+            List<Character> availableSpeakers = Character.CharacterList.FindAll(c =>
+                c.AIController is HumanAIController &&
+                !c.IsDead &&
+                c.SpeechImpediment <= 100.0f);
+            pendingConversationLines.AddRange(NPCConversation.CreateRandom(availableSpeakers));
+        }
 
             character.SetOrder(order, option, orderGiver, speak: orderGiver != character);
             if (IsSinglePlayer)
@@ -836,19 +1016,23 @@ namespace Barotrauma
                     }
                 }
             }
-            //only one target (or an order with no particular targets), just show options
-            else
+
+            character.SetOrder(order, option, orderGiver, speak: orderGiver != character);
+            if (IsSinglePlayer)
             {
-                orderTargetFrame = new GUILayoutGroup(new RectTransform(new Vector2(0.2f + order.Options.Length * 0.1f, 0.18f), GUI.Canvas)
-                    { AbsoluteOffset = new Point(orderButton.Rect.Center.X, orderButton.Rect.Bottom) },
-                    isHorizontal: true, childAnchor: Anchor.BottomLeft)
+                orderGiver?.Speak(
+                    order.GetChatMessage(character.Name, orderGiver.CurrentHull?.DisplayName, givingOrderToSelf: character == orderGiver, orderOption: option), null);
+            }
+            else if (orderGiver != null)
+            {
+                OrderChatMessage msg = new OrderChatMessage(order, option, order.TargetItemComponent?.Item, character, orderGiver);
+                if (GameMain.Client != null)
                 {
-                    UserData = character,
-                    Stretch = true
-                };
-                //line connecting the order button to the option buttons
-                //TODO: sprite
-                new GUIFrame(new RectTransform(new Vector2(0.5f, 1.0f), orderTargetFrame.RectTransform), style: null);
+                    GameMain.Client.SendChatMessage(msg);
+                }
+            }
+            DisplayCharacterOrder(character, order);
+        }
 
         /// <summary>
         /// Create the UI panel that's used to select the target and options for a given order

Barotrauma/BarotraumaClient/Source/Items/Item.cs

@@ -776,37 +776,6 @@ namespace Barotrauma
                     ic.DrawHUD(spriteBatch, character);
                 }
             }
-        }
-
-        List<ColoredText> texts = new List<ColoredText>();
-        public List<ColoredText> GetHUDTexts(Character character)
-        {
-            texts.Clear();
-            foreach (ItemComponent ic in components)
-            {
-                if (string.IsNullOrEmpty(ic.DisplayMsg)) continue;
-                if (!ic.CanBePicked && !ic.CanBeSelected) continue;
-                if (ic is Holdable holdable && !holdable.CanBeDeattached()) continue;
-
-                Color color = Color.Gray;
-                bool hasRequiredSkillsAndItems = ic.HasRequiredSkills(character) && ic.HasRequiredItems(character, false);
-                if (hasRequiredSkillsAndItems)
-                {
-                    if (ic is Repairable repairable)
-                    {
-                        if (Condition < repairable.ShowRepairUIThreshold)
-                        {
-                            color = Color.Cyan;
-                        }
-                    }
-                    else
-                    {
-                        color = Color.Cyan;
-                    }
-                }
-
-                texts.Add(new ColoredText(ic.DisplayMsg, color, false));
-            }
             return texts;
         }
 

Barotrauma/BarotraumaClient/Source/Screens/CampaignSetupUI.cs

@@ -276,6 +276,8 @@ namespace Barotrauma
 
         private GUILayoutGroup subPreviewContainer;
 
+        private GUILayoutGroup subPreviewContainer;
+
         private GUIButton loadGameButton;
         
         public Action<Submarine, string, string> StartNewGame;

Barotrauma/BarotraumaClient/Source/Screens/CreditsPlayer.cs

@@ -1,8 +1,5 @@
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
 using System;
-using System.Collections.Generic;
-using System.Text;
 using System.Xml.Linq;
 
 namespace Barotrauma
@@ -11,7 +8,7 @@ namespace Barotrauma
     {
         private GUIListBox listBox;
 
-        private float scrollSpeed;
+        private readonly float scrollSpeed;
 
         public CreditsPlayer(RectTransform rectT, string configFile) : base(null, rectT)
         {

Barotrauma/BarotraumaClient/Source/Screens/MainMenuScreen.cs

@@ -354,6 +354,12 @@ namespace Barotrauma
             };
             var creditsContainer = new GUIFrame(new RectTransform(new Vector2(0.75f, 1.5f), menuTabs[(int)Tab.Credits].RectTransform, Anchor.CenterRight), style: "OuterGlow", color: Color.Black * 0.8f);
             creditsPlayer = new CreditsPlayer(new RectTransform(Vector2.One, creditsContainer.RectTransform), "Content/Texts/Credits.xml");
+
+            new GUIButton(new RectTransform(new Vector2(0.1f, 0.05f), menuTabs[(int)Tab.Credits].RectTransform, Anchor.BottomLeft) { RelativeOffset = new Vector2(0.25f, 0.02f) },
+                TextManager.Get("Back"), style: "GUIButtonLarge")
+            {
+                OnClicked = SelectTab
+            };
         }
 #endregion
 
@@ -383,10 +389,9 @@ namespace Barotrauma
 
         private bool SelectTab(GUIButton button, object obj)
         {
+            titleText.Visible = true;
             if (obj is Tab)
             {
-                titleText.Visible = true;
-
                 if (GameMain.Config.UnsavedSettings)
                 {
                     var applyBox = new GUIMessageBox(

Barotrauma/BarotraumaShared/SharedCode.projitems

@@ -36,7 +36,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectiveLoop.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectiveManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectiveOperateItem.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectiveFightIntruders.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectivePumpWater.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectiveRepairItem.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Source\Characters\AI\Objectives\AIObjectiveRepairItems.cs" />

Barotrauma/BarotraumaShared/SharedContent.projitems

@@ -527,6 +527,15 @@
     <Content Include="$(MSBuildThisFileDirectory)Content\NPCConversations\NpcConversations_TraditionalChinese.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="$(MSBuildThisFileDirectory)Content\Splash_Daedalic.mp4">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="$(MSBuildThisFileDirectory)Content\Splash_FF.mp4">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="$(MSBuildThisFileDirectory)Content\Splash_UTG.mp4">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="$(MSBuildThisFileDirectory)Content\Texts\BrazilianPortugueseVanilla.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
@@ -1631,9 +1640,6 @@
     <Content Include="$(MSBuildThisFileDirectory)Content\Particles\UnderwaterExplosionSheet.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="$(MSBuildThisFileDirectory)Content\splashscreen.mp4">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="$(MSBuildThisFileDirectory)Content\Texts\EnglishVanilla.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
@@ -3146,9 +3152,6 @@
     <None Include="$(MSBuildThisFileDirectory)Content\Sounds\PickItemFail.ogg">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
-    <None Include="$(MSBuildThisFileDirectory)Content\Sounds\StartDrone.ogg">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
     <None Include="$(MSBuildThisFileDirectory)Content\Sounds\UI\ChatMsg.ogg">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>

Barotrauma/BarotraumaShared/Source/Characters/AI/HumanAIController.cs

@@ -3,8 +3,6 @@ using Microsoft.Xna.Framework;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using Barotrauma.Extensions;
-using Barotrauma.Items.Components;
 
 namespace Barotrauma
 {
@@ -14,16 +12,13 @@ namespace Barotrauma
 
         private AIObjectiveManager objectiveManager;
         
-        private float sortTimer;
-        private float crouchRaycastTimer;
-        private float reportTimer;
+        private float updateObjectiveTimer;
+
         private bool shouldCrouch;
+        private float crouchRaycastTimer;
+        const float CrouchRaycastInterval = 1.0f;
 
-        const float crouchRaycastInterval = 1;
-        const float reportInterval = 1;
-        const float sortObjectiveInterval = 1;
-
-        public static float HULL_SAFETY_THRESHOLD = 50;
+        public const float HULL_SAFETY_THRESHOLD = 50;
 
         public HashSet<Hull> UnsafeHulls { get; private set; } = new HashSet<Hull>();
 
@@ -53,6 +48,7 @@ namespace Barotrauma
         {
             insideSteering = new IndoorsSteeringManager(this, true, false);
             outsideSteering = new SteeringManager(this);
+
             objectiveManager = new AIObjectiveManager(c);
             reportTimer = Rand.Range(0f, reportInterval);
             sortTimer = Rand.Range(0f, sortObjectiveInterval);
@@ -80,37 +76,35 @@ namespace Barotrauma
             Character.ClearInputs();
 
             objectiveManager.UpdateObjectives(deltaTime);
-            if (sortTimer > 0.0f)
-            {
-                sortTimer -= deltaTime;
-            }
-            else
-            {
-                objectiveManager.SortObjectives();
-                sortTimer = sortObjectiveInterval;
-            }
-
-            if (reportTimer > 0.0f)
+            if (updateObjectiveTimer > 0.0f)
             {
                 reportTimer -= deltaTime;
             }
             else
             {
-                if (Character.SpeechImpediment < 100.0f)
-                {
-                    ReportProblems();
-                    UpdateSpeaking();
-                }
-                reportTimer = reportInterval;
+                objectiveManager.SortObjectives();
+                updateObjectiveTimer = UpdateObjectiveInterval;
             }
 
-            if (objectiveManager.CurrentObjective == null) { return; }
+            if (Character.SpeechImpediment < 100.0f)
+            {
+                ReportProblems();
+                UpdateSpeaking();
+            }
 
             objectiveManager.DoCurrentObjective(deltaTime);
-            bool run = objectiveManager.CurrentObjective.ForceRun || objectiveManager.GetCurrentPriority() > AIObjectiveManager.RunPriority;
+
+            bool run = objectiveManager.GetCurrentPriority() > AIObjectiveManager.OrderPriority;
             if (ObjectiveManager.CurrentObjective is AIObjectiveGoTo goTo && goTo.Target != null)
             {
-                run = Vector2.DistanceSquared(Character.SimPosition, goTo.Target.SimPosition) > 3 * 3;
+                if (Vector2.DistanceSquared(Character.SimPosition, goTo.Target.SimPosition) > 3 * 3)
+                {
+                    run = true;
+                }
+            }
+            if (!run)
+            {
+                run = objectiveManager.CurrentObjective.ForceRun;
             }
             if (run)
             {
@@ -167,7 +161,7 @@ namespace Barotrauma
             {
                 bool oxygenLow = Character.OxygenAvailable < CharacterHealth.LowOxygenThreshold;
                 bool highPressure = Character.CurrentHull == null || Character.CurrentHull.LethalPressure > 0 && Character.PressureProtection <= 0;
-                bool shouldKeepTheGearOn = !ObjectiveManager.IsCurrentObjective<AIObjectiveIdle>();
+                bool shouldKeepTheGearOn = objectiveManager.CurrentObjective.KeepDivingGearOn;
 
                 bool removeDivingSuit = (oxygenLow && !highPressure) || (!shouldKeepTheGearOn && Character.CurrentHull.WaterPercentage < 1 && !Character.IsClimbing && steeringManager == insideSteering && !PathSteering.InStairs);
                 if (removeDivingSuit)
@@ -193,7 +187,7 @@ namespace Barotrauma
                     }
                 }
             }
-            if (!ObjectiveManager.IsCurrentObjective<AIObjectiveExtinguishFires>() && !ObjectiveManager.IsCurrentObjective<AIObjectiveExtinguishFire>())
+            if (!(ObjectiveManager.CurrentOrder is AIObjectiveExtinguishFires) && !(ObjectiveManager.CurrentObjective is AIObjectiveExtinguishFire))
             {
                 var extinguisherItem = Character.Inventory.FindItemByIdentifier("extinguisher") ?? Character.Inventory.FindItemByTag("extinguisher");
                 if (extinguisherItem != null && Character.HasEquippedItem(extinguisherItem))
@@ -202,21 +196,6 @@ namespace Barotrauma
                     extinguisherItem.Drop(Character);
                 }
             }
-            foreach (var item in Character.Inventory.Items)
-            {
-                if (item == null) { continue; }
-                if (ObjectiveManager.CurrentObjective is AIObjectiveIdle)
-                {
-                    if (item.AllowedSlots.Contains(InvSlotType.RightHand | InvSlotType.LeftHand) && Character.HasEquippedItem(item))
-                    {
-                        // Try to put the weapon in an Any slot, and drop it if that fails
-                        if (!item.AllowedSlots.Contains(InvSlotType.Any) || !Character.Inventory.TryPutItem(item, Character, new List<InvSlotType>() { InvSlotType.Any }))
-                        {
-                            item.Drop(Character);
-                        }
-                    }
-                }
-            }
 
             if (Character.IsKeyDown(InputType.Aim))
             {
@@ -249,70 +228,41 @@ namespace Barotrauma
             Order newOrder = null;
             if (Character.CurrentHull != null)
             {
-                if (AIObjectiveExtinguishFires.IsValidTarget(Character.CurrentHull, Character))
+                if (Character.CurrentHull.FireSources.Count > 0)
                 {
-                    if (AddTargets<AIObjectiveExtinguishFires, Hull>(Character, Character.CurrentHull))
-                    {
-                        var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportfire");
-                        newOrder = new Order(orderPrefab, Character.CurrentHull, null);
-                    }
+                    var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportfire");
+                    newOrder = new Order(orderPrefab, Character.CurrentHull, null);
                 }
 
-                foreach (var gap in Character.CurrentHull.ConnectedGaps)
+                if (Character.CurrentHull.ConnectedGaps.Any(g => !g.IsRoomToRoom && g.ConnectedDoor == null && g.Open > 0.0f))
                 {
-                    if (AIObjectiveFixLeaks.IsValidTarget(gap, Character))
-                    {
-                        if (AddTargets<AIObjectiveFixLeaks, Gap>(Character, gap))
-                        {
-                            var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportbreach");
-                            newOrder = new Order(orderPrefab, Character.CurrentHull, null);
-                        }
-                    }
-                }
-
-                foreach (Item item in Item.ItemList)
-                {
-                    if (item.CurrentHull != Character.CurrentHull) { continue; }
-                    if (AIObjectiveRepairItems.IsValidTarget(item, Character))
-                    {
-                        if (item.Repairables.All(r => item.Condition > r.ShowRepairUIThreshold)) { continue; }
-                        if (AddTargets<AIObjectiveRepairItems, Item>(Character, item))
-                        {
-                            var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportbrokendevices");
-                            newOrder = new Order(orderPrefab, Character.CurrentHull, item.Repairables?.FirstOrDefault());
-                        }
-                    }
+                    var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportbreach");
+                    newOrder = new Order(orderPrefab, Character.CurrentHull, null);
                 }
 
                 foreach (Character c in Character.CharacterList)
                 {
-                    if (c.CurrentHull != Character.CurrentHull) { continue; }
-                    if (AIObjectiveFightIntruders.IsValidTarget(c, Character))
+                    if (c.CurrentHull == Character.CurrentHull && !c.IsDead &&
+                        (c.AIController is EnemyAIController || (c.TeamID != Character.TeamID && Character.TeamID != Character.TeamType.FriendlyNPC && c.TeamID != Character.TeamType.FriendlyNPC)))
                     {
-                        if (AddTargets<AIObjectiveFightIntruders, Character>(Character, c))
-                        {
-                            var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportintruders");
-                            newOrder = new Order(orderPrefab, Character.CurrentHull, null);
-                        }
-                    }
-                }
-
-                if (Character.Bleeding > 1.0f || Character.Vitality < Character.MaxVitality * 0.1f)
-                {
-
-                    if (AddTargets<AIObjectiveRescueAll, Character>(Character, Character))
-                    {
-                        var orderPrefab = Order.PrefabList.Find(o => o.AITag == "requestfirstaid");
+                        var orderPrefab = Order.PrefabList.Find(o => o.AITag == "reportintruders");
                         newOrder = new Order(orderPrefab, Character.CurrentHull, null);
                     }
                 }
             }
 
+            if (Character.CurrentHull != null && (Character.Bleeding > 1.0f || Character.Vitality < Character.MaxVitality * 0.1f))
+            {
+                var orderPrefab = Order.PrefabList.Find(o => o.AITag == "requestfirstaid");
+                newOrder = new Order(orderPrefab, Character.CurrentHull, null);
+            }
+
             if (newOrder != null)
             {
                 if (GameMain.GameSession?.CrewManager != null && GameMain.GameSession.CrewManager.AddOrder(newOrder, newOrder.FadeOutTime))
                 {
-                    Character.Speak(newOrder.GetChatMessage("", Character.CurrentHull?.DisplayName, givingOrderToSelf: false), ChatMessageType.Order);
+                    Character.Speak(
+                        newOrder.GetChatMessage("", Character.CurrentHull?.DisplayName, givingOrderToSelf: false), ChatMessageType.Order);
                 }
             }
         }
@@ -339,7 +289,6 @@ namespace Barotrauma
         {
             float damage = attackResult.Damage;
             if (damage <= 0) { return; }
-            if (ObjectiveManager.CurrentObjective is AIObjectiveFightIntruders) { return; }
             if (attacker == null || attacker.IsDead || attacker.Removed)
             {
                 // Ignore damage from falling etc that we shouldn't react to.
@@ -387,18 +336,18 @@ namespace Barotrauma
                     {
                         // Replace the old objective with the new.
                         ObjectiveManager.Objectives.Remove(combatObjective);
-                        objectiveManager.AddObjective(new AIObjectiveCombat(Character, attacker, mode, objectiveManager));
+                        objectiveManager.AddObjective(new AIObjectiveCombat(Character, attacker, mode));
                     }
                 }
                 else
                 {
                     if (delay > 0)
                     {
-                        objectiveManager.AddObjective(new AIObjectiveCombat(Character, attacker, mode, objectiveManager), delay);
+                        objectiveManager.AddObjective(new AIObjectiveCombat(Character, attacker, mode), delay);
                     }
                     else
                     {
-                        objectiveManager.AddObjective(new AIObjectiveCombat(Character, attacker, mode, objectiveManager));
+                        objectiveManager.AddObjective(new AIObjectiveCombat(Character, attacker, mode));
                     }
                 }
             }
@@ -409,10 +358,8 @@ namespace Barotrauma
             CurrentOrderOption = option;
             CurrentOrder = order;
             objectiveManager.SetOrder(order, option, orderGiver);
-            if (speak && Character.SpeechImpediment < 100.0f)
-            {
-                Character.Speak(TextManager.Get("DialogAffirmative"), null, 1.0f);
-            }
+            if (speak && Character.SpeechImpediment < 100.0f) Character.Speak(TextManager.Get("DialogAffirmative"), null, 1.0f);
+
             SetOrderProjSpecific(order);
         }
 
@@ -428,7 +375,7 @@ namespace Barotrauma
             crouchRaycastTimer -= deltaTime;
             if (crouchRaycastTimer > 0.0f) return;
 
-            crouchRaycastTimer = crouchRaycastInterval;
+            crouchRaycastTimer = CrouchRaycastInterval;
 
             //start the raycast in front of the character in the direction it's heading to
             Vector2 startPos = Character.SimPosition;
@@ -449,7 +396,7 @@ namespace Barotrauma
         /// <summary>
         /// Check whether the character has a diving mask in usable condition plus some oxygen.
         /// </summary>
-        public static bool HasDivingMask(Character character) => HasItem(character, "diving", "oxygensource");
+        public static bool HasDivingGear(Character character) => HasItem(character, "diving", "oxygensource");
 
         public static bool HasItem(Character character, string tag, string containedTag, float conditionPercentage = 0)
         {
@@ -469,9 +416,12 @@ namespace Barotrauma
         {
             foreach (var c in Character.CharacterList)
             {
-                if (c.AIController is HumanAIController humanAi && humanAi.IsFriendly(character))
+                if (c.TeamID == character.TeamID)
                 {
-                    humanAi.RefreshHullSafety(hull);
+                    if (c.AIController is HumanAIController humanAi)
+                    {
+                        humanAi.RefreshHullSafety(hull);
+                    }
                 }
             }
         }
@@ -488,86 +438,13 @@ namespace Barotrauma
             }
         }
 
-        public static void RefreshTargets(Character character, Order order, Hull hull)
-        {
-            switch (order.AITag)
-            {
-                case "reportfire":
-                    AddTargets<AIObjectiveExtinguishFires, Hull>(character, hull);
-                    break;
-                case "reportbreach":
-                    foreach (var gap in hull.ConnectedGaps)
-                    {
-                        if (AIObjectiveFixLeaks.IsValidTarget(gap, character))
-                        {
-                            AddTargets<AIObjectiveFixLeaks, Gap>(character, gap);
-                        }
-                    }
-                    break;
-                case "reportbrokendevices":
-                    foreach (var item in Item.ItemList)
-                    {
-                        if (item.CurrentHull != hull) { continue; }
-                        if (AIObjectiveRepairItems.IsValidTarget(item, character))
-                        {
-                            if (item.Repairables.All(r => item.Condition > r.ShowRepairUIThreshold)) { continue; }
-                            AddTargets<AIObjectiveRepairItems, Item>(character, item);
-                        }
-                    }
-                    break;
-                case "reportintruders":
-                    foreach (var enemy in Character.CharacterList)
-                    {
-                        if (enemy.CurrentHull != hull) { continue; }
-                        if (AIObjectiveFightIntruders.IsValidTarget(enemy, character))
-                        {
-                            AddTargets<AIObjectiveFightIntruders, Character>(character, enemy);
-                        }
-                    }
-                    break;
-                case "requestfirstaid":
-                    foreach (var c in Character.CharacterList)
-                    {
-                        if (c.CurrentHull != hull) { continue; }
-                        if (AIObjectiveRescueAll.IsValidTarget(c, character))
-                        {
-                            AddTargets<AIObjectiveRescueAll, Character>(character, c);
-                        }
-                    }
-                    break;
-                default:
-#if DEBUG
-                    DebugConsole.ThrowError(order.AITag + " not implemented!");
-#endif
-                    break;
-            }
-        }
-
-        private static bool AddTargets<T1, T2>(Character caller, T2 target) where T1 : AIObjectiveLoop<T2>
-        {
-            bool targetAdded = false;
-            foreach (var c in Character.CharacterList)
-            {
-                if (IsFriendly(caller, c) && c.AIController is HumanAIController humanAI)
-                {
-                    var objective = humanAI.ObjectiveManager.GetObjective<T1>();
-                    if (objective == null) { continue; }
-                    if (!targetAdded && objective.AddTarget(target))
-                    {
-                        targetAdded = true;
-                    }
-                }
-            }
-            return targetAdded;
-        }
-
         public float GetHullSafety(Hull hull)
         {
             if (hull == null) { return 0; }
-            bool ignoreFire = ObjectiveManager.IsCurrentObjective<AIObjectiveExtinguishFires>() || ObjectiveManager.IsCurrentObjective<AIObjectiveExtinguishFire>();
+            bool ignoreFire = ObjectiveManager.CurrentObjective is AIObjectiveExtinguishFire || ObjectiveManager.CurrentOrder is AIObjectiveExtinguishFires;
             bool ignoreWater = HasDivingSuit(Character);
-            bool ignoreOxygen = ignoreWater || HasDivingMask(Character);
-            bool ignoreEnemies = ObjectiveManager.IsCurrentObjective<AIObjectiveFightIntruders>();
+            bool ignoreOxygen = ignoreWater || HasDivingGear(Character);
+            bool ignoreEnemies = ObjectiveManager.CurrentObjective is AIObjectiveCombat || ObjectiveManager.CurrentOrder is AIObjectiveCombat;
             return GetHullSafety(hull, Character, ignoreWater, ignoreOxygen, ignoreFire, ignoreEnemies);
         }
 
@@ -585,7 +462,7 @@ namespace Barotrauma
             // Even the smallest fire reduces the safety by 50%
             float fire = hull.FireSources.Count * 0.5f + hull.FireSources.Sum(fs => fs.DamageRange) / hull.Size.X;
             float fireFactor = ignoreFire ? 1 : MathHelper.Lerp(1, 0, MathHelper.Clamp(fire, 0, 1));
-            int enemyCount = Character.CharacterList.Count(e => 
+                int enemyCount = Character.CharacterList.Count(e => 
                 e.CurrentHull == hull && !e.IsDead && !e.IsUnconscious && 
                 (e.AIController is EnemyAIController || (e.TeamID != character.TeamID && character.TeamID != Character.TeamType.FriendlyNPC && e.TeamID != Character.TeamType.FriendlyNPC)));
             // The hull safety decreases 90% per enemy up to 100% (TODO: test smaller percentages)
@@ -594,8 +471,7 @@ namespace Barotrauma
             return MathHelper.Clamp(safety * 100, 0, 100);
         }
 
-        public bool IsFriendly(Character other) => IsFriendly(Character, other);
         // TODO: If the aliens are quaranteed to be in another team than the player, we wouldn't need to check the species.
-        public static bool IsFriendly(Character me, Character other) => other.TeamID == me.TeamID && other.SpeciesName == me.SpeciesName;
+        public bool IsFriendly(Character other) => other.TeamID == Character.TeamID && other.SpeciesName == Character.SpeciesName;
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/IndoorsSteeringManager.cs

@@ -287,8 +287,7 @@ namespace Barotrauma
                     character.AnimController.Anim = AnimController.Animation.None;
                     character.SelectedConstruction = null;
                 }
-                float multiplier = MathHelper.Lerp(1, 10, MathHelper.Clamp(collider.LinearVelocity.Length() / 10, 0, 1));
-                if (Vector2.DistanceSquared(pos, currentPath.CurrentNode.SimPosition) < MathUtils.Pow(collider.radius * 2 * multiplier, 2))
+                if (Vector2.DistanceSquared(pos, currentPath.CurrentNode.SimPosition) < MathUtils.Pow(collider.radius * 3, 2))
                 {
                     currentPath.SkipToNextNode();
                 }
@@ -297,13 +296,13 @@ namespace Barotrauma
             {
                 Vector2 colliderBottom = character.AnimController.GetColliderBottom();
                 Vector2 colliderSize = collider.GetSize();
-                Vector2 velocity = collider.LinearVelocity;
                 // Cannot use the head position, because not all characters have head or it can be below the total height of the character
                 float characterHeight = colliderSize.Y + character.AnimController.ColliderHeightFromFloor;
                 float horizontalDistance = Math.Abs(collider.SimPosition.X - currentPath.CurrentNode.SimPosition.X);
                 bool isAboveFeet = currentPath.CurrentNode.SimPosition.Y > colliderBottom.Y;
                 bool isNotTooHigh = currentPath.CurrentNode.SimPosition.Y < colliderBottom.Y + characterHeight;
-                if (InStairs)
+                
+                if (horizontalDistance < collider.radius * 3 && isAboveFeet && isNotTooHigh)
                 {
                     float multiplierX = MathHelper.Lerp(1, 10, MathHelper.Clamp(Math.Abs(velocity.X) / 10, 0, 1));
                     float multiplierY = MathHelper.Lerp(1, 10, MathHelper.Clamp(Math.Abs(velocity.Y) / 10, 0, 1));
@@ -351,8 +350,6 @@ namespace Barotrauma
         {
             for (int i = 0; i < 2; i++)
             {
-                WayPoint currentWaypoint = null;
-                WayPoint nextWaypoint = null;
                 Door door = null;
                 bool shouldBeOpen = false;
 
@@ -363,19 +360,21 @@ namespace Barotrauma
                 }
                 else
                 {
+                    WayPoint node = null;
+                    WayPoint nextNode = null;
                     if (i == 0)
                     {
-                        currentWaypoint = currentPath.CurrentNode;
-                        nextWaypoint = currentPath.NextNode;
+                        node = currentPath.CurrentNode;
+                        nextNode = currentPath.NextNode;
                     }
                     else
                     {
-                        currentWaypoint = currentPath.PrevNode;
-                        nextWaypoint = currentPath.CurrentNode;
+                        node = currentPath.PrevNode;
+                        nextNode = currentPath.CurrentNode;
                     }
-                    if (currentWaypoint?.ConnectedDoor == null) { continue; }
+                    if (node?.ConnectedDoor == null) continue;
 
-                    if (nextWaypoint == null)
+                    if (nextNode == null)
                     {
                         //the node we're heading towards is the last one in the path, and at a door
                         //the door needs to be open for the character to reach the node
@@ -383,21 +382,21 @@ namespace Barotrauma
                     }
                     else
                     {
-                        door = currentWaypoint.ConnectedGap.ConnectedDoor;
+                        door = node.ConnectedGap.ConnectedDoor;
                         if (door.LinkedGap.IsHorizontal)
                         {
-                            int currentDir = Math.Sign(nextWaypoint.WorldPosition.X - door.Item.WorldPosition.X);
+                            int currentDir = Math.Sign(nextNode.WorldPosition.X - door.Item.WorldPosition.X);
                             shouldBeOpen = (door.Item.WorldPosition.X - character.WorldPosition.X) * currentDir > -50.0f;
                         }
                         else
                         {
-                            int currentDir = Math.Sign(nextWaypoint.WorldPosition.Y - door.Item.WorldPosition.Y);
+                            int currentDir = Math.Sign(nextNode.WorldPosition.Y - door.Item.WorldPosition.Y);
                             shouldBeOpen = (door.Item.WorldPosition.Y - character.WorldPosition.Y) * currentDir > -80.0f;
                         }
                     }
                 }
 
-                if (door == null) { return; }
+                if (door == null) return;
                 
                 //toggle the door if it's the previous node and open, or if it's current node and closed
                 if (door.IsOpen != shouldBeOpen)
@@ -423,29 +422,22 @@ namespace Barotrauma
                             buttonPressCooldown = ButtonPressInterval;
                             break;
                         }
-                        else if (closestButton != null)
-                        {
-                            if (Vector2.DistanceSquared(closestButton.Item.WorldPosition, character.WorldPosition) < MathUtils.Pow(closestButton.Item.InteractDistance * 2, 2))
-                            {
-                                closestButton.Item.TryInteract(character, false, true, false);
-                                buttonPressCooldown = ButtonPressInterval;
-                                break;
-                            }
-                            else
-                            {
-                                // Can't reach the button closest to the door.
-                                // It's possible that we could reach another buttons.
-                                // If this becomes an issue, we could go through them here and check if any of them are reachable
-                                // (would have to cache a collection of buttons instead of a single reference in the CanAccess filter method above)
-                                currentPath.Unreachable = true;
-                                return;
-                            }
-                        }
+
+                        closestButton.Item.TryInteract(character, false, true, false);
+                        buttonPressCooldown = ButtonPressInterval;
+                        break;
                     }
-                    else if (shouldBeOpen)
+                    else
                     {
-                        currentPath.Unreachable = true;
-                        return;
+                        if (!door.HasRequiredItems(character, false) && shouldBeOpen)
+                        {
+                            currentPath.Unreachable = true;
+                            return;
+                        }
+
+                        door.Item.TryInteract(character, false, true, true);
+                        buttonPressCooldown = ButtonPressInterval;
+                        break;
                     }
                 }
             }
@@ -453,38 +445,32 @@ namespace Barotrauma
 
         private float? GetNodePenalty(PathNode node, PathNode nextNode)
         {
-            if (character == null) { return 0.0f; }         
+            if (character == null) { return 0.0f; }
+            
             float penalty = 0.0f;
             if (nextNode.Waypoint.ConnectedGap != null && nextNode.Waypoint.ConnectedGap.Open < 0.9f)
             {
-                var door = nextNode.Waypoint.ConnectedDoor;
-                if (door == null)
+                if (nextNode.Waypoint.ConnectedDoor == null)
                 {
                     penalty = 100.0f;
                 }
-                else
+                else if (!canBreakDoors)
                 {
-                    if (!CanAccessDoor(door, button =>
-                        {
-                            // Ignore buttons that are on the wrong side of the door
-                            if (door.IsHorizontal)
-                            {
-                                if (Math.Sign(button.Item.WorldPosition.Y - door.Item.WorldPosition.Y) != Math.Sign(character.WorldPosition.Y - door.Item.WorldPosition.Y))
-                                {
-                                    return false;
-                                }
-                            }
-                            else
-                            {
-                                if (Math.Sign(button.Item.WorldPosition.X - door.Item.WorldPosition.X) != Math.Sign(character.WorldPosition.X - door.Item.WorldPosition.X))
-                                {
-                                    return false;
-                                }
-                            }
-                            return true;
-                        }))
+                    //door closed and the character can't open doors -> node can't be traversed
+                    if (!canOpenDoors || character.LockHands) { return null; }
+
+                    var doorButtons = nextNode.Waypoint.ConnectedDoor.Item.GetConnectedComponents<Controller>();
+                    if (!doorButtons.Any())
                     {
-                        return null;
+                        if (!nextNode.Waypoint.ConnectedDoor.HasRequiredItems(character, false)) { return null; }
+                    }
+
+                    foreach (Controller button in doorButtons)
+                    {
+                        if (Math.Sign(button.Item.Position.X - nextNode.Waypoint.Position.X) !=
+                            Math.Sign(node.Position.X - nextNode.Position.X)) { continue; }
+
+                        if (!button.HasRequiredItems(character, false)) { return null; }
                     }
                 }
             }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjective.cs

@@ -12,6 +12,21 @@ namespace Barotrauma
 
         public abstract string DebugTag { get; }
         public virtual bool ForceRun => false;
+        public virtual bool KeepDivingGearOn => false;
+
+        protected readonly List<AIObjective> subObjectives = new List<AIObjective>();
+        public float Priority { get; set; }
+        protected readonly Character character;
+        protected string option;
+        protected bool abandon;
+
+        public virtual bool CanBeCompleted => !abandon && subObjectives.All(so => so.CanBeCompleted);
+        public IEnumerable<AIObjective> SubObjectives => subObjectives;
+        public AIObjective CurrentSubObjective { get; private set; }
+
+        protected HumanAIController HumanAIController => character.AIController as HumanAIController;
+        protected IndoorsSteeringManager PathSteering => HumanAIController.PathSteering;
+        protected SteeringManager SteeringManager => HumanAIController.SteeringManager;
 
         /// <summary>
         /// Run the main objective with all subobjectives concurrently?
@@ -47,7 +62,6 @@ namespace Barotrauma
         
         public AIObjective(Character character, AIObjectiveManager objectiveManager, float priorityModifier, string option = null)
         {
-            this.objectiveManager = objectiveManager;
             this.character = character;
             Option = option ?? string.Empty;
 
@@ -80,6 +94,18 @@ namespace Barotrauma
 #endif
                     subObjectives.Remove(subObjective);
                 }
+                else if (subObjective.ShouldInterruptSubObjective(subObjective))
+                {
+#if DEBUG
+                    DebugConsole.NewMessage($"Removing subobjective {subObjective.DebugTag} of {DebugTag}, because it is interrupted.");
+#endif
+                    subObjectives.Remove(subObjective);
+                }
+            }
+
+            if (!subObjectives.Contains(CurrentSubObjective))
+            {
+                CurrentSubObjective = null;
             }
 
             foreach (AIObjective objective in subObjectives)
@@ -106,40 +132,29 @@ namespace Barotrauma
             subObjectives.Add(objective);
         }
 
-        public void SortSubObjectives()
+        public void SortSubObjectives(AIObjectiveManager objectiveManager)
         {
             if (subObjectives.None()) { return; }
-            subObjectives.Sort((x, y) => y.GetPriority().CompareTo(x.GetPriority()));
-            if (ConcurrentObjectives)
-            {
-                subObjectives.ForEach(so => so.SortSubObjectives());
-            }
-            else
-            {
-                subObjectives.First().SortSubObjectives();
-            }
+            subObjectives.Sort((x, y) => y.GetPriority(objectiveManager).CompareTo(x.GetPriority(objectiveManager)));
+            CurrentSubObjective = SubObjectives.First();
+            CurrentSubObjective.SortSubObjectives(objectiveManager);
         }
 
-        public virtual float GetPriority() => Priority * PriorityModifier;
+        public virtual float GetPriority(AIObjectiveManager objectiveManager) => Priority;
 
-        public virtual void Update(float deltaTime)
+        public virtual void Update(AIObjectiveManager objectiveManager, float deltaTime)
         {
+            var subObjective = objectiveManager.CurrentObjective?.CurrentSubObjective;
             if (objectiveManager.CurrentOrder == this)
             {
                 Priority = AIObjectiveManager.OrderPriority;
             }
-            else if (objectiveManager.WaitTimer <= 0)
+            else if (objectiveManager.CurrentObjective == this || subObjective == this)
             {
-                if (objectiveManager.CurrentObjective != null)
-                {
-                    if (objectiveManager.CurrentObjective == this || objectiveManager.CurrentObjective.subObjectives.Any(so => so == this))
-                    {
-                        Priority += Devotion * PriorityModifier * deltaTime;
-                    }
-                }
-                Priority = MathHelper.Clamp(Priority, 0, 100);
-                subObjectives.ForEach(so => so.Update(deltaTime));
+                Priority += Devotion * deltaTime;
             }
+            Priority = MathHelper.Clamp(Priority, 0, 100);
+            subObjectives.ForEach(so => so.Update(objectiveManager, deltaTime));
         }
 
         /// <summary>
@@ -159,54 +174,13 @@ namespace Barotrauma
             }
         }
 
-        /// <summary>
-        /// Checks if the objective already is created and added in subobjectives. If not, creates it.
-        /// Handles objectives that cannot be completed. If the objective has been removed form the subobjectives, a null value is assigned to the reference.
-        /// Returns true if the objective was created.
-        /// </summary>
-        protected bool TryAddSubObjective<T>(ref T objective, Func<T> constructor, Action onAbandon = null) where T : AIObjective
-        {
-            if (objective != null)
-            {
-                // Sub objective already found, no need to do anything if it remains in the subobjectives
-                // If the sub objective is removed -> it's either completed or impossible to complete.
-                if (!subObjectives.Contains(objective))
-                {
-                    if (!objective.CanBeCompleted)
-                    {
-                        abandon = true;
-                        onAbandon?.Invoke();
-                    }
-                    objective = null;
-                }
-                return false;
-            }
-            else
-            {
-                objective = constructor();
-                if (!subObjectives.Contains(objective))
-                {
-                    AddSubObjective(objective);
-                }
-                return true;
-            }
-        }
-
-        public virtual void OnSelected()
-        {
-            // Should we reset steering here?
-            //if (!ConcurrentObjectives)
-            //{
-            //    SteeringManager.Reset();
-            //}
-        }
-
+        protected virtual bool ShouldInterruptSubObjective(AIObjective subObjective) => false;
+        public virtual void OnSelected() { }
         public virtual void Reset() { }
 
         protected abstract void Act(float deltaTime);
         
         public abstract bool IsCompleted();
-
         public abstract bool IsDuplicate(AIObjective otherObjective);
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveChargeBatteries.cs

@@ -1,19 +1,19 @@
 using Barotrauma.Items.Components;
 using Barotrauma.Extensions;
-using System;
 using System.Collections.Generic;
 using System.Linq;
-using Microsoft.Xna.Framework;
 
 namespace Barotrauma
 {
     class AIObjectiveChargeBatteries : AIObjectiveLoop<PowerContainer>
     {
         public override string DebugTag => "charge batteries";
-        private IEnumerable<PowerContainer> batteryList;
+        private readonly IEnumerable<PowerContainer> batteryList;
 
-        public AIObjectiveChargeBatteries(Character character, AIObjectiveManager objectiveManager, string option, float priorityModifier) 
-            : base(character, objectiveManager, priorityModifier, option) { }
+        public AIObjectiveChargeBatteries(Character character, string option) : base(character, option)
+        {
+            batteryList = Item.ItemList.Select(i => i.GetComponent<PowerContainer>()).Where(b => b != null);
+        }
 
         public override bool IsDuplicate(AIObjective otherObjective)
         {
@@ -22,57 +22,37 @@ namespace Barotrauma
 
         protected override void FindTargets()
         {
-            base.FindTargets();
-            if (targets.None() && objectiveManager.CurrentOrder == this)
+            foreach (Item item in Item.ItemList)
+            {
+                if (item.Prefab.Identifier != "battery" && !item.HasTag("battery")) { continue; }
+                if (item.Submarine == null) { continue; }
+                if (item.Submarine.TeamID != character.TeamID) { continue; }
+                if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(item, true)) { continue; }
+                var battery = item.GetComponent<PowerContainer>();
+                if (battery != null)
+                {
+                    if (!ignoreList.Contains(battery))
+                    {
+                        if (!targets.Contains(battery))
+                        {
+                            targets.Add(battery);
+                        }
+                    }
+                }
+            }
+            if (targets.None())
             {
                 character.Speak(TextManager.Get("DialogNoBatteries"), null, 4.0f, "nobatteries", 10.0f);
             }
-        }
-
-        protected override bool Filter(PowerContainer battery)
-        {
-            if (battery == null) { return false; }
-            var item = battery.Item;
-            if (item.Submarine == null) { return false; }
-            if (item.CurrentHull == null) { return false; }
-            if (item.Submarine.TeamID != character.TeamID) { return false; }
-            if (item.ConditionPercentage <= 0) { return false; }
-            if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(item, true)) { return false; }
-            if (Character.CharacterList.Any(c => c.CurrentHull == item.CurrentHull && !HumanAIController.IsFriendly(c))) { return false; }
-            if (Option == "charge")
-            {
-                if (battery.RechargeRatio >= PowerContainer.aiRechargeTargetRatio - 0.01f) { return false; }
-            }
             else
             {
-                if (battery.RechargeRatio <= 0) { return false; }
-            }
-            return true;
-        }
-
-        protected override float TargetEvaluation()
-        {
-            if (Option == "charge")
-            {
-                return targets.Max(t => MathHelper.Lerp(100, 0, Math.Abs(PowerContainer.aiRechargeTargetRatio - t.RechargeRatio)));
-            }
-            else
-            {
-
-                return targets.Max(t => MathHelper.Lerp(0, 100, t.RechargeRatio));
+                targets.Sort((x, y) => x.ChargePercentage.CompareTo(y.ChargePercentage));
             }
         }
 
-        protected override IEnumerable<PowerContainer> GetList()
-        {
-            if (batteryList == null)
-            {
-                batteryList = character.Submarine.GetItems(true).Select(i => i.GetComponent<PowerContainer>()).Where(b => b != null);
-            }
-            return batteryList;
-        }
-
-        protected override AIObjective ObjectiveConstructor(PowerContainer battery) 
-            => new AIObjectiveOperateItem(battery, character, objectiveManager, Option, false, priorityModifier: PriorityModifier) { IsLoop = false };
+        protected override bool Filter(PowerContainer battery) => true;
+        protected override float Average(PowerContainer battery) => 100 - battery.ChargePercentage;
+        protected override IEnumerable<PowerContainer> GetList() => batteryList;
+        protected override AIObjective ObjectiveConstructor(PowerContainer battery) => new AIObjectiveOperateItem(battery, character, Option, false);
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveCombat.cs

@@ -1,17 +1,15 @@
 using Barotrauma.Items.Components;
 using Microsoft.Xna.Framework;
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using Barotrauma.Extensions;
-using FarseerPhysics;
 
 namespace Barotrauma
 {
     class AIObjectiveCombat : AIObjective
     {
         public override string DebugTag => "combat";
-        public bool useCoolDown = true;
+        public override bool KeepDivingGearOn => true;
 
         const float CoolDown = 10.0f;
 
@@ -25,14 +23,7 @@ namespace Barotrauma
             {
                 _weapon = value;
                 _weaponComponent = null;
-                if (reloadWeaponObjective != null)
-                {
-                    if (subObjectives.Contains(reloadWeaponObjective))
-                    {
-                        subObjectives.Remove(reloadWeaponObjective);
-                    }
-                    reloadWeaponObjective = null;
-                }
+                reloadWeaponObjective = null;
             }
         }
         private ItemComponent _weaponComponent;
@@ -50,41 +41,29 @@ namespace Barotrauma
                 return _weaponComponent;
             }
         }
-
-        public override bool ConcurrentObjectives => true;
-
-        private readonly AIObjectiveFindSafety findSafety;
-        private readonly HashSet<RangedWeapon> rangedWeapons = new HashSet<RangedWeapon>();
-        private readonly HashSet<MeleeWeapon> meleeWeapons = new HashSet<MeleeWeapon>();
-        private readonly HashSet<Item> adHocWeapons = new HashSet<Item>();
-
         private AIObjectiveContainItem reloadWeaponObjective;
-        private AIObjectiveGoTo retreatObjective;
-        private AIObjectiveGoTo followTargetObjective;
-
         private Hull retreatTarget;
+        private AIObjectiveGoTo retreatObjective;
+        private AIObjectiveFindSafety findSafety;
+
         private float coolDownTimer;
 
         public enum CombatMode
         {
             Defensive,
-            Offensive,
+            Offensive, // Not implemented
             Retreat
         }
 
         public CombatMode Mode { get; private set; }
 
-        public AIObjectiveCombat(Character character, Character enemy, CombatMode mode, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public AIObjectiveCombat(Character character, Character enemy, CombatMode mode) : base(character, "")
         {
             Enemy = enemy;
             coolDownTimer = CoolDown;
-            findSafety = objectiveManager.GetObjective<AIObjectiveFindSafety>();
-            if (findSafety != null)
-            {
-                findSafety.Priority = 0;
-                findSafety.unreachable.Clear();
-            }
+            findSafety = HumanAIController.ObjectiveManager.GetObjective<AIObjectiveFindSafety>();
+            findSafety.Priority = 0;
+            findSafety.unreachable.Clear();
             Mode = mode;
             if (Enemy == null)
             {
@@ -92,51 +71,14 @@ namespace Barotrauma
             }
         }
 
-        public override float GetPriority() => (Enemy != null && (Enemy.Removed || Enemy.IsDead)) ? 0 : Math.Min(100 * PriorityModifier, 100);
-
-        public override bool IsDuplicate(AIObjective otherObjective)
-        {
-            if (!(otherObjective is AIObjectiveCombat objective)) return false;
-            return objective.Enemy == Enemy;
-        }
-
-        public override void OnSelected() => Weapon = null;
-
-        public override bool IsCompleted()
-        {
-            bool completed = (Enemy != null && (Enemy.Removed || Enemy.IsDead)) || (useCoolDown && coolDownTimer <= 0);
-            if (completed)
-            {
-                if (objectiveManager.CurrentOrder == this && Enemy != null && Enemy.IsDead)
-                {
-                    character.Speak(TextManager.Get("DialogTargetDown"), null, 3.0f, "targetdown", 30.0f);
-                }
-                if (Weapon != null)
-                {
-                    Unequip();
-                }
-            }
-            return completed;
-        }
-
         protected override void Act(float deltaTime)
         {
-            if (useCoolDown)
-            {
-                coolDownTimer -= deltaTime;
-            }
+            coolDownTimer -= deltaTime;
             if (abandon) { return; }
-            Arm(deltaTime);
-            Move(deltaTime);
-        }
-
-        private void Arm(float deltaTime)
-        {
             switch (Mode)
             {
-                case CombatMode.Offensive:
                 case CombatMode.Defensive:
-                    if (Weapon != null && !character.Inventory.Items.Contains(_weapon) || _weaponComponent != null && !_weaponComponent.HasRequiredContainedItems(false))
+                    if (Weapon != null && character.Inventory.Items.Contains(_weapon))
                     {
                         Weapon = null;
                     }
@@ -148,65 +90,40 @@ namespace Barotrauma
                     {
                         Mode = CombatMode.Retreat;
                     }
-                    if (Equip())
+                    else if (Equip(deltaTime))
                     {
                         if (Reload(deltaTime))
                         {
                             Attack(deltaTime);
                         }
                     }
+                    // When defensive, try to retreat to safety. TODO: in offsensive mode, engage the target
+                    Retreat(deltaTime);
                     break;
-                case CombatMode.Retreat:
-                    break;
-                default:
-                    throw new NotImplementedException();
-            }
-        }
-
-        private void Move(float deltaTime)
-        {
-            switch (Mode)
-            {
-                case CombatMode.Offensive:
-                    Engage(deltaTime);
-                    break;
-                case CombatMode.Defensive:
                 case CombatMode.Retreat:
                     Retreat(deltaTime);
                     break;
+                case CombatMode.Offensive:
                 default:
-                    throw new NotImplementedException();
+                    throw new System.NotImplementedException();
             }
         }
 
         private Item GetWeapon()
         {
-            rangedWeapons.Clear();
-            meleeWeapons.Clear();
-            adHocWeapons.Clear();
-            Item weapon = null;
             _weaponComponent = null;
-            foreach (var item in character.Inventory.Items)
+            var weapon = character.Inventory.FindItemByTag("weapon");
+            if (weapon == null)
             {
-                if (item == null) { continue; }
-                foreach (var component in item.Components)
+                foreach (var item in character.Inventory.Items)
                 {
-                    if (component is RangedWeapon rw)
+                    if (item == null) { continue; }
+                    foreach (var component in item.Components)
                     {
-                        if (rw.HasRequiredContainedItems(false))
+                        if (component is MeleeWeapon || component is RangedWeapon)
                         {
-                            rangedWeapons.Add(rw);
+                            return item;
                         }
-                    }
-                    else if (component is MeleeWeapon mw)
-                    {
-                        if (mw.HasRequiredContainedItems(false))
-                        {
-                            meleeWeapons.Add(mw);
-                        }
-                    }
-                    else
-                    {
                         var effects = component.statusEffectLists;
                         if (effects != null)
                         {
@@ -216,10 +133,7 @@ namespace Barotrauma
                                 {
                                     if (statusEffect.Afflictions.Any())
                                     {
-                                        if (component.HasRequiredContainedItems(false))
-                                        {
-                                            adHocWeapons.Add(item);
-                                        }
+                                        return item;
                                     }
                                 }
                             }
@@ -227,20 +141,6 @@ namespace Barotrauma
                     }
                 }
             }
-            var rangedWeapon = rangedWeapons.OrderByDescending(w => w.CombatPriority).FirstOrDefault();
-            var meleeWeapon = meleeWeapons.OrderByDescending(w => w.CombatPriority).FirstOrDefault();
-            if (rangedWeapon != null)
-            {
-                weapon = rangedWeapon.Item;
-            }
-            else if (meleeWeapon != null)
-            {
-                weapon = meleeWeapon.Item;
-            }
-            if (weapon == null)
-            {
-                weapon = adHocWeapons.GetRandom(Rand.RandSync.Server);
-            }
             return weapon;
         }
 
@@ -253,9 +153,10 @@ namespace Barotrauma
                     Weapon.Drop(character);
                 }
             }
+            return true;
         }
 
-        private bool Equip()
+        private bool Equip(float deltaTime)
         {
             if (!character.SelectedItems.Contains(Weapon))
             {
@@ -266,7 +167,8 @@ namespace Barotrauma
                 }
                 else
                 {
-                    Mode = CombatMode.Retreat;
+                    //couldn't equip the item, escape
+                    //Abandon(deltaTime);
                     return false;
                 }
             }
@@ -275,52 +177,18 @@ namespace Barotrauma
 
         private void Retreat(float deltaTime)
         {
-            if (followTargetObjective != null)
-            {
-                if (subObjectives.Contains(followTargetObjective))
-                {
-                    subObjectives.Remove(followTargetObjective);
-                }
-                followTargetObjective = null;
-            }
-            if (retreatObjective != null && retreatObjective.Target != retreatTarget)
-            {
-                retreatObjective = null;
-            }
             if (retreatTarget == null || (retreatObjective != null && !retreatObjective.CanBeCompleted))
             {
                 retreatTarget = findSafety.FindBestHull(new List<Hull>() { character.CurrentHull });
             }
-            TryAddSubObjective(ref retreatObjective, () => new AIObjectiveGoTo(retreatTarget, character, objectiveManager, false, true));
-        }
-
-        private void Engage(float deltaTime)
-        {
-            retreatTarget = null;
-            if (retreatObjective != null)
+            if (retreatTarget != null)
             {
-                if (subObjectives.Contains(retreatObjective))
+                if (retreatObjective == null || retreatObjective.Target != retreatTarget)
                 {
-                    subObjectives.Remove(retreatObjective);
+                    retreatObjective = new AIObjectiveGoTo(retreatTarget, character, false, true);
                 }
-                retreatObjective = null;
+                retreatObjective.TryComplete(deltaTime);
             }
-            TryAddSubObjective(ref followTargetObjective,
-                constructor: () => new AIObjectiveGoTo(Enemy, character, objectiveManager, repeat: true, getDivingGearIfNeeded: true)
-                {
-                    AllowGoingOutside = true,
-                    IgnoreIfTargetDead = true,
-                    CheckVisibility = true,
-                    CloseEnough =
-                        WeaponComponent is RangedWeapon ? 3 :
-                        WeaponComponent is MeleeWeapon mw ? ConvertUnits.ToSimUnits(mw.Range) :
-                        WeaponComponent is RepairTool rt ? ConvertUnits.ToSimUnits(rt.Range) : 0.5f
-                },
-                onAbandon: () =>
-                {
-                    SteeringManager.Reset();
-                    Mode = CombatMode.Retreat;
-                });
         }
 
         private bool Reload(float deltaTime)
@@ -333,47 +201,43 @@ namespace Barotrauma
                     Item containedItem = containedItems.FirstOrDefault(it => it.Condition > 0.0f && requiredItem.MatchesItem(it));
                     if (containedItem == null)
                     {
-                        TryAddSubObjective(ref reloadWeaponObjective, 
-                            constructor: () => new AIObjectiveContainItem(character, requiredItem.Identifiers, Weapon.GetComponent<ItemContainer>(), objectiveManager),
-                            onAbandon: () => 
-                            {
-                                SteeringManager.Reset();
-                                Mode = CombatMode.Retreat;
-                            });
+                        if (reloadWeaponObjective == null)
+                        {
+                            reloadWeaponObjective = new AIObjectiveContainItem(character, requiredItem.Identifiers, Weapon.GetComponent<ItemContainer>());
+                        }
                     }
                 }
             }
-            return reloadWeaponObjective == null || reloadWeaponObjective.IsCompleted();
+            if (reloadWeaponObjective != null)
+            {
+                if (reloadWeaponObjective.IsCompleted())
+                {
+                    reloadWeaponObjective = null;
+                }
+                else if (!reloadWeaponObjective.CanBeCompleted)
+                {
+                    Mode = CombatMode.Retreat;
+                }
+                else
+                {
+                    reloadWeaponObjective.TryComplete(deltaTime);
+                }
+                return false;
+            }
+            return true;
         }
 
         private IEnumerable<FarseerPhysics.Dynamics.Body> myBodies;
         private void Attack(float deltaTime)
         {
-            float squaredDistance = Vector2.DistanceSquared(character.Position, Enemy.Position);
             character.CursorPosition = Enemy.Position;
-            float engageDistance = 500;
-            if (squaredDistance > engageDistance * engageDistance) { return; }
-            bool canSeeTarget = character.CanSeeCharacter(Enemy);
-            if (!canSeeTarget && character.CurrentHull != Enemy.CurrentHull) { return; }
             if (Weapon.RequireAimToUse)
             {
-                bool isOperatingButtons = false;
-                if (SteeringManager == PathSteering)
-                {
-                    var door = PathSteering.CurrentPath?.CurrentNode?.ConnectedDoor;
-                    if (door != null && !door.IsOpen)
-                    {
-                        isOperatingButtons = door.HasIntegratedButtons || door.Item.GetConnectedComponents<Controller>(true).Any();
-                    }
-                }
-                if (!isOperatingButtons && character.SelectedConstruction == null)
-                {
-                    character.SetInput(InputType.Aim, false, true);
-                }
+                character.SetInput(InputType.Aim, false, true);
             }
             if (WeaponComponent is MeleeWeapon meleeWeapon)
             {
-                if (squaredDistance <= meleeWeapon.Range * meleeWeapon.Range)
+                if (Vector2.DistanceSquared(character.Position, Enemy.Position) <= meleeWeapon.Range * meleeWeapon.Range)
                 {
                     character.SetInput(InputType.Shoot, false, true);
                     Weapon.Use(deltaTime, character);
@@ -383,7 +247,7 @@ namespace Barotrauma
             {
                 if (WeaponComponent is RepairTool repairTool)
                 {
-                    if (squaredDistance > repairTool.Range * repairTool.Range) { return; }
+                    if (Vector2.DistanceSquared(character.Position, Enemy.Position) > repairTool.Range * repairTool.Range) { return; }
                 }
                 if (VectorExtensions.Angle(VectorExtensions.Forward(Weapon.body.TransformedRotation), Enemy.Position - character.Position) < MathHelper.PiOver4)
                 {
@@ -391,8 +255,7 @@ namespace Barotrauma
                     {
                         myBodies = character.AnimController.Limbs.Select(l => l.body.FarseerBody);
                     }
-                    var collisionCategories = Physics.CollisionCharacter | Physics.CollisionWall;
-                    var pickedBody = Submarine.PickBody(character.SimPosition, Enemy.SimPosition, myBodies, collisionCategories);
+                    var pickedBody = Submarine.PickBody(character.SimPosition, Enemy.SimPosition, myBodies);
                     if (pickedBody != null)
                     {
                         Character target = null;
@@ -414,6 +277,34 @@ namespace Barotrauma
             }
         }
 
+        private void Abandon(float deltaTime)
+        {
+            abandon = true;
+            SteeringManager.Reset();
+        }
+
+        public override bool IsCompleted()
+        {
+            bool completed = (Enemy != null && (Enemy.Removed || Enemy.IsDead)) || coolDownTimer <= 0;
+            if (completed)
+            {
+                if (Weapon != null)
+                {
+                    Unequip();
+                }
+            }
+            return completed;
+        }
+
+        public override bool CanBeCompleted => !abandon && (reloadWeaponObjective == null || reloadWeaponObjective.CanBeCompleted) && (retreatObjective == null || retreatObjective.CanBeCompleted);
+        public override float GetPriority(AIObjectiveManager objectiveManager) => (Enemy != null && (Enemy.Removed || Enemy.IsDead)) ? 0 : 100;
+
+        public override bool IsDuplicate(AIObjective otherObjective)
+        {
+            if (!(otherObjective is AIObjectiveCombat objective)) return false;
+            return objective.Enemy == Enemy;
+        }
+
         //private float CalculateEnemyStrength()
         //{
         //    float enemyStrength = 0;

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveContainItem.cs

@@ -9,9 +9,15 @@ namespace Barotrauma
     {
         public override string DebugTag => "contain item";
 
+        public int MinContainedAmount = 1;
+
+        //can either be a tag or an identifier
+        private string[] itemIdentifiers;
+
+        private ItemContainer container;
+
         public Func<Item, float> GetItemPriority;
 
-        public int MinContainedAmount = 1;
         public string[] ignoredContainerIdentifiers;
 
         //can either be a tag or an identifier
@@ -21,12 +27,14 @@ namespace Barotrauma
         private bool isCompleted;
         private AIObjectiveGetItem getItemObjective;
         private AIObjectiveGoTo goToObjective;
+        
+        public AIObjectiveContainItem(Character character, string itemIdentifier, ItemContainer container)
+            : this(character, new string[] { itemIdentifier }, container)
+        {
+        }
 
-        public AIObjectiveContainItem(Character character, string itemIdentifier, ItemContainer container, AIObjectiveManager objectiveManager, float priorityModifier = 1)
-            : this(character, new string[] { itemIdentifier }, container, objectiveManager, priorityModifier) { }
-
-        public AIObjectiveContainItem(Character character, string[] itemIdentifiers, ItemContainer container, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base (character, objectiveManager, priorityModifier)
+        public AIObjectiveContainItem(Character character, string[] itemIdentifiers, ItemContainer container)
+            : base (character, "")
         {
             this.itemIdentifiers = itemIdentifiers;
             for (int i = 0; i < itemIdentifiers.Length; i++)
@@ -43,10 +51,22 @@ namespace Barotrauma
             int containedItemCount = 0;
             foreach (Item item in container.Inventory.Items)
             {
-                if (item != null && itemIdentifiers.Any(id => item.Prefab.Identifier == id || item.HasTag(id)))
+                if (item != null && itemIdentifiers.Any(id => item.Prefab.Identifier == id || item.HasTag(id))) containedItemCount++;
+            }
+
+            return containedItemCount >= MinContainedAmount;
+        }
+
+        public override bool CanBeCompleted
+        {
+            get
+            {
+                if (goToObjective != null)
                 {
                     containedItemCount++;
                 }
+
+                return getItemObjective == null || getItemObjective.CanBeCompleted;
             }
             return containedItemCount >= MinContainedAmount;
         }
@@ -68,16 +88,17 @@ namespace Barotrauma
             foreach (string identifier in itemIdentifiers)
             {
                 itemToContain = character.Inventory.FindItemByIdentifier(identifier) ?? character.Inventory.FindItemByTag(identifier);
-                if (itemToContain != null && itemToContain.Condition > 0.0f) { break; }
-            }            
+                if (itemToContain != null && itemToContain.Condition > 0.0f) break;
+            }
+            
             if (itemToContain == null)
             {
-                TryAddSubObjective(ref getItemObjective, () =>
-                    new AIObjectiveGetItem(character, itemIdentifiers, objectiveManager)
-                    {
-                        GetItemPriority = GetItemPriority,
-                        ignoredContainerIdentifiers = ignoredContainerIdentifiers
-                    });
+                getItemObjective = new AIObjectiveGetItem(character, itemIdentifiers)
+                {
+                    GetItemPriority = GetItemPriority,
+                    ignoredContainerIdentifiers = ignoredContainerIdentifiers
+                };
+                AddSubObjective(getItemObjective);
                 return;
             }
             if (container.Item.ParentInventory == character.Inventory)
@@ -94,8 +115,7 @@ namespace Barotrauma
             }
             else
             {
-                if (container.Item.CurrentHull != character.CurrentHull || 
-                    (Vector2.DistanceSquared(character.Position, container.Item.Position) > Math.Pow(container.Item.InteractDistance, 2) && !container.Item.IsInsideTrigger(character.WorldPosition)))
+                if (container.Item.CurrentHull != character.CurrentHull || (Vector2.Distance(character.Position, container.Item.Position) > container.Item.InteractDistance && !container.Item.IsInsideTrigger(character.WorldPosition)))
                 {
                     TryAddSubObjective(ref goToObjective, () => new AIObjectiveGoTo(container.Item, character, objectiveManager));
                     return;
@@ -107,15 +127,14 @@ namespace Barotrauma
 
         public override bool IsDuplicate(AIObjective otherObjective)
         {
-            if (!(otherObjective is AIObjectiveContainItem objective)) { return false; }
-            if (objective.container != container) { return false; }
-            if (objective.itemIdentifiers.Length != itemIdentifiers.Length) { return false; }
+            AIObjectiveContainItem objective = otherObjective as AIObjectiveContainItem;
+            if (objective == null) return false;
+            if (objective.container != container) return false;
+            if (objective.itemIdentifiers.Length != itemIdentifiers.Length) return false;
+
             for (int i = 0; i < itemIdentifiers.Length; i++)
             {
-                if (objective.itemIdentifiers[i] != itemIdentifiers[i])
-                {
-                    return false;
-                }
+                if (objective.itemIdentifiers[i] != itemIdentifiers[i]) return false;
             }
             return true;
         }    

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveDecontainItem.cs

@@ -8,53 +8,78 @@ namespace Barotrauma
     {
         public override string DebugTag => "decontain item";
 
-        public Func<Item, float> GetItemPriority;
-
         //can either be a tag or an identifier
-        private readonly string[] itemIdentifiers;
-        private readonly ItemContainer container;
-        private readonly Item targetItem;
+        private string[] itemIdentifiers;
+
+        private ItemContainer container;
 
-        private AIObjectiveGoTo goToObjective;
         private bool isCompleted;
 
-        public AIObjectiveDecontainItem(Character character, Item targetItem, ItemContainer container, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public Func<Item, float> GetItemPriority;
+
+        private AIObjectiveGetItem getItemObjective;
+        private AIObjectiveGoTo goToObjective;
+        private Item targetItem;
+
+        public AIObjectiveDecontainItem(Character character, Item targetItem, ItemContainer container)
+        : base(character, "")
         {
             this.targetItem = targetItem;
             this.container = container;
         }
 
 
-        public AIObjectiveDecontainItem(Character character, string itemIdentifier, ItemContainer container, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : this(character, new string[] { itemIdentifier }, container, objectiveManager, priorityModifier) { }
+        public AIObjectiveDecontainItem(Character character, string itemIdentifier, ItemContainer container)
+            : this(character, new string[] { itemIdentifier }, container)
+        {
+        }
 
-        public AIObjectiveDecontainItem(Character character, string[] itemIdentifiers, ItemContainer container, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public AIObjectiveDecontainItem(Character character, string[] itemIdentifiers, ItemContainer container)
+            : base(character, "")
         {
             this.itemIdentifiers = itemIdentifiers;
             for (int i = 0; i < itemIdentifiers.Length; i++)
             {
                 itemIdentifiers[i] = itemIdentifiers[i].ToLowerInvariant();
             }
+
             this.container = container;
         }
 
-        public override bool IsCompleted() => isCompleted;
+        public override bool IsCompleted()
+        {
+            return isCompleted;
+        }
 
-        public override float GetPriority()
+        public override bool CanBeCompleted
+        {
+            get
+            {
+                if (goToObjective != null)
+                {
+                    return goToObjective.CanBeCompleted;
+                }
+
+                return getItemObjective == null || getItemObjective.CanBeCompleted;
+            }
+        }
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
             if (objectiveManager.CurrentOrder == this)
             {
                 return AIObjectiveManager.OrderPriority;
             }
+
             return 1.0f;
         }
 
         protected override void Act(float deltaTime)
         {
-            if (isCompleted) { return; }
+            if (isCompleted) return;
+
             Item itemToDecontain = null;
+
             //get the item that should be de-contained
             if (targetItem == null)
             {
@@ -63,7 +88,7 @@ namespace Barotrauma
                     foreach (string identifier in itemIdentifiers)
                     {
                         itemToDecontain = container.Inventory.FindItemByIdentifier(identifier) ?? container.Inventory.FindItemByTag(identifier);
-                        if (itemToDecontain != null) { break; }
+                        if (itemToDecontain != null) break;
                     }
                 }
             }
@@ -71,32 +96,38 @@ namespace Barotrauma
             {
                 itemToDecontain = targetItem;
             }
+
             if (itemToDecontain == null || itemToDecontain.Container != container.Item) // Item not found or already de-contained, consider complete
             {
                 isCompleted = true;
                 return;
             }
+
             if (itemToDecontain.OwnInventory != character.Inventory && itemToDecontain.ParentInventory != character.Inventory)
             {
-                if (Vector2.DistanceSquared(character.Position, container.Item.Position) > MathUtils.Pow(container.Item.InteractDistance, 2) && !container.Item.IsInsideTrigger(character.WorldPosition))
+                if (Vector2.Distance(character.Position, container.Item.Position) > container.Item.InteractDistance
+                && !container.Item.IsInsideTrigger(character.WorldPosition))
                 {
-                    TryAddSubObjective(ref goToObjective, () => new AIObjectiveGoTo(container.Item, character, objectiveManager));
+                    goToObjective = new AIObjectiveGoTo(container.Item, character);
+                    AddSubObjective(goToObjective);
                     return;
                 }
             }
+
             itemToDecontain.Drop(character);
             isCompleted = true;
         }
 
         public override bool IsDuplicate(AIObjective otherObjective)
         {
-            if (!(otherObjective is AIObjectiveDecontainItem decontainItem)) { return false; }
+            AIObjectiveDecontainItem decontainItem = otherObjective as AIObjectiveDecontainItem;
+            if (decontainItem == null) return false;
             if (decontainItem.itemIdentifiers != null && itemIdentifiers != null)
             {
-                if (decontainItem.itemIdentifiers.Length != itemIdentifiers.Length) { return false; }
+                if (decontainItem.itemIdentifiers.Length != itemIdentifiers.Length) return false;
                 for (int i = 0; i < decontainItem.itemIdentifiers.Length; i++)
                 {
-                    if (decontainItem.itemIdentifiers[i] != itemIdentifiers[i]) { return false; }
+                    if (decontainItem.itemIdentifiers[i] != itemIdentifiers[i]) return false;
                 }
                 return true;
             }
@@ -104,6 +135,7 @@ namespace Barotrauma
             {
                 return decontainItem.targetItem == targetItem;
             }
+
             return false;
         }
     }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveExtinguishFire.cs

@@ -3,7 +3,6 @@ using FarseerPhysics;
 using Microsoft.Xna.Framework;
 using System;
 using System.Linq;
-using Barotrauma.Extensions;
 
 namespace Barotrauma
 {
@@ -11,117 +10,125 @@ namespace Barotrauma
     {
         public override string DebugTag => "extinguish fire";
         public override bool ForceRun => true;
-        public override bool ConcurrentObjectives => true;
+        public override bool KeepDivingGearOn => true;
 
-        private readonly Hull targetHull;
+        private Hull targetHull;
 
         private AIObjectiveGetItem getExtinguisherObjective;
+
         private AIObjectiveGoTo gotoObjective;
+
         private float useExtinquisherTimer;
 
-        public AIObjectiveExtinguishFire(Character character, Hull targetHull, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public AIObjectiveExtinguishFire(Character character, Hull targetHull) : base(character, "")
         {
             this.targetHull = targetHull;
         }
 
-        public override float GetPriority()
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
-            if (Character.CharacterList.Any(c => c.CurrentHull == targetHull && !HumanAIController.IsFriendly(c))) { return 0; }
+            if (gotoObjective != null && !gotoObjective.CanBeCompleted) { return 0; }
             // Vertical distance matters more than horizontal (climbing up/down is harder than moving horizontally)
             float dist = Math.Abs(character.WorldPosition.X - targetHull.WorldPosition.X) + Math.Abs(character.WorldPosition.Y - targetHull.WorldPosition.Y) * 2.0f;
             float distanceFactor = MathHelper.Lerp(1, 0.1f, MathUtils.InverseLerp(0, 10000, dist));
-            float severity = AIObjectiveExtinguishFires.GetFireSeverity(targetHull);
-            float severityFactor = MathHelper.Lerp(0, 1, severity / 100);
-            float devotion = Math.Min(Priority, 10) / 100;
-            return MathHelper.Lerp(0, 100, MathHelper.Clamp(devotion + severityFactor * distanceFactor, 0, 1));
+            float severityFactor = MathHelper.Lerp(0, 1, MathHelper.Clamp(targetHull.FireSources.Sum(fs => fs.Size.X) / targetHull.Size.X, 0, 1));
+            return MathHelper.Clamp(Priority * severityFactor * distanceFactor, 0, 100);
         }
 
-        public override bool IsCompleted() => targetHull.FireSources.None();
+        public override bool IsCompleted()
+        {
+            return targetHull.FireSources.Count == 0;
+        }
 
-        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveExtinguishFire otherExtinguishFire && otherExtinguishFire.targetHull == targetHull;
+        public override bool IsDuplicate(AIObjective otherObjective)
+        {
+            var otherExtinguishFire = otherObjective as AIObjectiveExtinguishFire;
+            return otherExtinguishFire != null && otherExtinguishFire.targetHull == targetHull;
+        }
+
+        public override bool CanBeCompleted
+        {
+            get { return getExtinguisherObjective == null || getExtinguisherObjective.IsCompleted() || getExtinguisherObjective.CanBeCompleted; }
+        }
 
         protected override void Act(float deltaTime)
         {
             var extinguisherItem = character.Inventory.FindItemByIdentifier("extinguisher") ?? character.Inventory.FindItemByTag("extinguisher");
             if (extinguisherItem == null || extinguisherItem.Condition <= 0.0f || !character.HasEquippedItem(extinguisherItem))
             {
-                TryAddSubObjective(ref getExtinguisherObjective, () =>
+                if (getExtinguisherObjective == null)
                 {
                     character.Speak(TextManager.Get("DialogFindExtinguisher"), null, 2.0f, "findextinguisher", 30.0f);
-                    return new AIObjectiveGetItem(character, "extinguisher", objectiveManager, equip: true);
-                });
+                    getExtinguisherObjective = new AIObjectiveGetItem(character, "extinguisher", true);
+                }
+                else
+                {
+                    getExtinguisherObjective.TryComplete(deltaTime);
+                }
+
+                return;
             }
-            else
+
+            var extinguisher = extinguisherItem.GetComponent<RepairTool>();
+            if (extinguisher == null)
             {
-                var extinguisher = extinguisherItem.GetComponent<RepairTool>();
-                if (extinguisher == null)
+                DebugConsole.ThrowError("AIObjectiveExtinguishFire failed - the item \"" + extinguisherItem + "\" has no RepairTool component but is tagged as an extinguisher");
+                return;
+            }
+
+            foreach (FireSource fs in targetHull.FireSources)
+            {
+                bool inRange = fs.IsInDamageRange(character, MathHelper.Clamp(fs.DamageRange * 1.5f, extinguisher.Range * 0.5f, extinguisher.Range));
+                bool move = !inRange;
+                if (inRange || useExtinquisherTimer > 0.0f)
                 {
-#if DEBUG
-                    DebugConsole.ThrowError("AIObjectiveExtinguishFire failed - the item \"" + extinguisherItem + "\" has no RepairTool component but is tagged as an extinguisher");
-#endif
-                    abandon = true;
-                    return;
-                }
-                foreach (FireSource fs in targetHull.FireSources)
-                {
-                    bool inRange = fs.IsInDamageRange(character, MathHelper.Clamp(fs.DamageRange * 1.5f, extinguisher.Range * 0.5f, extinguisher.Range));
-                    bool move = !inRange;
-                    if (inRange || useExtinquisherTimer > 0.0f)
+                    useExtinquisherTimer += deltaTime;
+                    if (useExtinquisherTimer > 2.0f)
                     {
-                        useExtinquisherTimer += deltaTime;
-                        if (useExtinquisherTimer > 2.0f)
+                        useExtinquisherTimer = 0.0f;
+                    }
+                    character.AIController.SteeringManager.Reset();
+                    character.CursorPosition = fs.Position;
+                    if (extinguisher.Item.RequireAimToUse)
+                    {
+                        character.SetInput(InputType.Aim, false, true);
+                    }
+                    Limb sightLimb = null;
+                    if (character.Inventory.IsInLimbSlot(extinguisherItem, InvSlotType.RightHand))
+                    {
+                        sightLimb = character.AnimController.GetLimb(LimbType.RightHand);
+                    }
+                    else if (character.Inventory.IsInLimbSlot(extinguisherItem, InvSlotType.LeftHand))
+                    {
+                        sightLimb = character.AnimController.GetLimb(LimbType.LeftHand);
+                    }
+                    if (!character.CanSeeTarget(fs, sightLimb))
+                    {
+                        move = true;
+                    }
+                    else
+                    {
+                        move = false;
+                        extinguisher.Use(deltaTime, character);
+                        if (!targetHull.FireSources.Contains(fs))
                         {
-                            useExtinquisherTimer = 0.0f;
-                        }
-                        character.AIController.SteeringManager.Reset();
-                        character.CursorPosition = fs.Position;
-                        if (extinguisher.Item.RequireAimToUse)
-                        {
-                            bool isOperatingButtons = false;
-                            if (SteeringManager == PathSteering)
-                            {
-                                var door = PathSteering.CurrentPath?.CurrentNode?.ConnectedDoor;
-                                if (door != null && !door.IsOpen)
-                                {
-                                    isOperatingButtons = door.HasIntegratedButtons || door.Item.GetConnectedComponents<Controller>(true).Any();
-                                }
-                            }
-                            if (!isOperatingButtons)
-                            {
-                                character.SetInput(InputType.Aim, false, true);
-                            }
-                        }
-                        Limb sightLimb = null;
-                        if (character.Inventory.IsInLimbSlot(extinguisherItem, InvSlotType.RightHand))
-                        {
-                            sightLimb = character.AnimController.GetLimb(LimbType.RightHand);
-                        }
-                        else if (character.Inventory.IsInLimbSlot(extinguisherItem, InvSlotType.LeftHand))
-                        {
-                            sightLimb = character.AnimController.GetLimb(LimbType.LeftHand);
-                        }
-                        if (!character.CanSeeTarget(fs, sightLimb))
-                        {
-                            move = true;
-                        }
-                        else
-                        {
-                            move = false;
-                            extinguisher.Use(deltaTime, character);
-                            if (!targetHull.FireSources.Contains(fs))
-                            {
-                                character.Speak(TextManager.Get("DialogPutOutFire").Replace("[roomname]", targetHull.Name), null, 0, "putoutfire", 10.0f);
-                            }
+                            character.Speak(TextManager.Get("DialogPutOutFire").Replace("[roomname]", targetHull.Name), null, 0, "putoutfire", 10.0f);
                         }
                     }
-                    if (move)
-                    {
-                        //go to the first firesource
-                        TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(fs.Position), character, objectiveManager));
-                    }
-                    break;
                 }
+                if (move)
+                {
+                    //go to the first firesource
+                    if (gotoObjective == null || !gotoObjective.CanBeCompleted || gotoObjective.IsCompleted())
+                    {
+                        gotoObjective = new AIObjectiveGoTo(ConvertUnits.ToSimUnits(fs.Position), character);
+                    }
+                    else
+                    {
+                        gotoObjective.TryComplete(deltaTime);
+                    }
+                }
+                break;
             }
         }
     }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveExtinguishFires.cs

@@ -1,44 +1,62 @@
 using System.Linq;
 using System.Collections.Generic;
 using Barotrauma.Extensions;
+using Microsoft.Xna.Framework;
 
 namespace Barotrauma
 {
-    class AIObjectiveExtinguishFires : AIObjectiveLoop<Hull>
+    class AIObjectiveExtinguishFires : AIObjective
     {
         public override string DebugTag => "extinguish fires";
         public override bool ForceRun => true;
+        public override bool KeepDivingGearOn => true;
 
-        public AIObjectiveExtinguishFires(Character character, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base(character, objectiveManager, priorityModifier) { }
+        private Dictionary<Hull, AIObjectiveExtinguishFire> extinguishObjectives = new Dictionary<Hull, AIObjectiveExtinguishFire>();
 
-        protected override void FindTargets()
+        public AIObjectiveExtinguishFires(Character character) : base(character, "") { }
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
-            base.FindTargets();
-            if (targets.None() && objectiveManager.CurrentOrder == this)
+            if (character.Submarine == null) { return 0; }
+            int fireCount = character.Submarine.GetHulls(true).Sum(h => h.FireSources.Count);
+            if (objectiveManager.CurrentOrder == this && fireCount > 0)
             {
-                character.Speak(TextManager.Get("DialogNoFire"), null, 3.0f, "nofire", 30.0f);
+                return AIObjectiveManager.OrderPriority;
             }
+
+            return MathHelper.Clamp(fireCount * 20, 0, 100);
         }
 
-        protected override bool Filter(Hull hull) => IsValidTarget(hull, character);
+        public override bool IsCompleted() => false;
+        public override bool CanBeCompleted => true;
 
-        protected override float TargetEvaluation() => objectiveManager.CurrentObjective == this ? 100 : targets.Sum(t => GetFireSeverity(t));
-
-        public static float GetFireSeverity(Hull hull) => hull.FireSources.Sum(fs => fs.Size.X);
-
-        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveExtinguishFires;
-        protected override IEnumerable<Hull> GetList() => Hull.hullList;
-
-        protected override AIObjective ObjectiveConstructor(Hull target) => new AIObjectiveExtinguishFire(character, target, objectiveManager, PriorityModifier);
-
-        public static bool IsValidTarget(Hull hull, Character character)
+        public override bool IsDuplicate(AIObjective otherObjective)
         {
-            if (hull == null) { return false; }
-            if (hull.FireSources.None()) { return false; }
-            if (hull.Submarine == null) { return false; }
-            if (hull.Submarine.TeamID != character.TeamID) { return false; }
-            if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(hull, true)) { return false; }
-            return true;
+            return otherObjective is AIObjectiveExtinguishFires;
+        }
+
+        protected override void Act(float deltaTime)
+        {
+            SyncRemovedObjectives(extinguishObjectives, Hull.hullList);
+            if (character.Submarine == null) { return; }
+            foreach (Hull hull in Hull.hullList)
+            {
+                if (hull.FireSources.None()) { continue; }
+                if (hull.Submarine == null) { continue; }
+                if (hull.Submarine.TeamID != character.TeamID) { continue; }
+                // If the character is inside, only take connected hulls into account.
+                if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(hull, true)) { continue; }
+                if (!extinguishObjectives.TryGetValue(hull, out AIObjectiveExtinguishFire objective))
+                {
+                    objective = new AIObjectiveExtinguishFire(character, hull);
+                    extinguishObjectives.Add(hull, objective);
+                    AddSubObjective(objective);
+                }
+            }
+            if (extinguishObjectives.None())
+            {
+                character?.Speak(TextManager.Get("DialogNoFire"), null, 3.0f, "nofire", 30.0f);
+            }
         }
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveFindDivingGear.cs

@@ -1,7 +1,6 @@
 using Barotrauma.Items.Components;
 using Microsoft.Xna.Framework;
 using System.Linq;
-using Barotrauma.Extensions;
 
 namespace Barotrauma
 {
@@ -10,10 +9,8 @@ namespace Barotrauma
         public override string DebugTag => "find diving gear";
         public override bool ForceRun => true;
 
-        private readonly string gearTag;
-
-        private AIObjectiveGetItem getDivingGear;
-        private AIObjectiveContainItem getOxygen;
+        private AIObjective subObjective;
+        private string gearTag;
 
         public override bool IsCompleted()
         {
@@ -24,16 +21,15 @@ namespace Barotrauma
                 {
                     var containedItems = character.Inventory.Items[i].ContainedItems;
                     if (containedItems == null) { continue; }
-                    return containedItems.Any(it => (it.Prefab.Identifier == "oxygentank" || it.HasTag("oxygensource")) && it.Condition > 0.0f);
+
+                    var oxygenTank = containedItems.FirstOrDefault(it => (it.Prefab.Identifier == "oxygentank" || it.HasTag("oxygensource")) && it.Condition > 0.0f);
+                    if (oxygenTank != null) { return true; }
                 }
             }
             return false;
         }
 
-        public override float GetPriority() => MathHelper.Clamp(100 - character.OxygenAvailable, 0, 100);
-        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveFindDivingGear;
-
-        public AIObjectiveFindDivingGear(Character character, bool needDivingSuit, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base(character, objectiveManager, priorityModifier)
+        public AIObjectiveFindDivingGear(Character character, bool needDivingSuit) : base(character, "")
         {
             gearTag = needDivingSuit ? "divingsuit" : "diving";
         }
@@ -46,23 +42,16 @@ namespace Barotrauma
                 TryAddSubObjective(ref getDivingGear, () =>
                 {
                     character.Speak(TextManager.Get("DialogGetDivingGear"), null, 0.0f, "getdivinggear", 30.0f);
-                    return new AIObjectiveGetItem(character, gearTag, objectiveManager, equip: true);
-                });
+                    subObjective = new AIObjectiveGetItem(character, gearTag, true);
+                }
             }
             if (getDivingGear != null) { return; }
             var containedItems = item.ContainedItems;
             if (containedItems == null)
             {
                 var containedItems = item.ContainedItems;
-                if (containedItems == null)
-                {
-#if DEBUG
-                    DebugConsole.ThrowError("AIObjectiveFindDivingGear failed - the item \"" + item + "\" has no proper inventory");
-#endif
-                    abandon = true;
-                    return;
-                }
-                // Drop empty tanks
+                if (containedItems == null) { return; }
+                //check if there's an oxygen tank in the mask/suit
                 foreach (Item containedItem in containedItems)
                 {
                     if (containedItem == null) { continue; }
@@ -70,16 +59,26 @@ namespace Barotrauma
                     {
                         containedItem.Drop(character);
                     }
-                }
-                if (containedItems.None(it => (it.Prefab.Identifier == "oxygentank" || it.HasTag("oxygensource")) && it.Condition > 0.0f))
-                {
-                    TryAddSubObjective(ref getOxygen, () =>
+                    else if (containedItem.Prefab.Identifier == "oxygentank" || containedItem.HasTag("oxygensource"))
                     {
-                        character.Speak(TextManager.Get("DialogGetOxygenTank"), null, 0, "getoxygentank", 30.0f);
-                        return new AIObjectiveContainItem(character, new string[] { "oxygentank", "oxygensource" }, item.GetComponent<ItemContainer>(), objectiveManager);
-                    });
+                        //we've got an oxygen source inside the mask/suit, all good
+                        return;
+                    }
+                }               
+                if (!(subObjective is AIObjectiveContainItem) || subObjective.IsCompleted())
+                {
+                    character.Speak(TextManager.Get("DialogGetOxygenTank"), null, 0, "getoxygentank", 30.0f);
+                    subObjective = new AIObjectiveContainItem(character, new string[] { "oxygentank", "oxygensource" }, item.GetComponent<ItemContainer>());
                 }
             }
+            if (subObjective != null)
+            {
+                subObjective.TryComplete(deltaTime);
+            }
         }
+
+        public override bool CanBeCompleted => subObjective == null || subObjective.CanBeCompleted;
+        public override float GetPriority(AIObjectiveManager objectiveManager) => MathHelper.Clamp(100 - character.OxygenAvailable, 0, 100);
+        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveFindDivingGear;
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveFindSafety.cs

@@ -10,6 +10,7 @@ namespace Barotrauma
     {
         public override string DebugTag => "find safety";
         public override bool ForceRun => true;
+        public override bool KeepDivingGearOn => true;
 
         // TODO: expose?
         const float priorityIncrease = 25;
@@ -17,7 +18,7 @@ namespace Barotrauma
         const float SearchHullInterval = 3.0f;
         const float clearUnreachableInterval = 30;
 
-        public readonly HashSet<Hull> unreachable = new HashSet<Hull>();
+        public readonly List<Hull> unreachable = new List<Hull>();
 
         private float currenthullSafety;
         private float unreachableClearTimer;
@@ -26,15 +27,49 @@ namespace Barotrauma
         private AIObjectiveGoTo goToObjective;
         private AIObjectiveFindDivingGear divingGearObjective;
 
-        public AIObjectiveFindSafety(Character character, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base(character, objectiveManager, priorityModifier) {  }
+        public AIObjectiveFindSafety(Character character) : base(character, "") {  }
 
         public override bool IsCompleted() => false;
         public override bool CanBeCompleted => true;
 
-        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveFindSafety;
-
         public override void Update(float deltaTime)
         {
+            var currentHull = character.AnimController.CurrentHull;           
+            if (HumanAIController.NeedsDivingGear(currentHull) && divingGearObjective == null)
+            {
+                bool needsDivingSuit = currentHull == null || currentHull.WaterPercentage > 90;
+                bool hasEquipment = needsDivingSuit ? HumanAIController.HasDivingSuit(character) : HumanAIController.HasDivingGear(character);
+                if (!hasEquipment)
+                {
+                    divingGearObjective = new AIObjectiveFindDivingGear(character, needsDivingSuit);
+                }
+            }
+            if (divingGearObjective != null)
+            {
+                divingGearObjective.TryComplete(deltaTime);
+                if (divingGearObjective.IsCompleted())
+                {
+                    divingGearObjective = null;
+                    Priority = 0;
+                }
+                else if (divingGearObjective.CanBeCompleted)
+                {
+                    // If diving gear objective is active and can be completed, wait for it to complete.
+                    return;
+                }
+                else
+                {
+                    divingGearObjective = null;
+                    // Reduce the timer so that we get a safe hull target faster.
+                    searchHullTimer = Math.Min(1, searchHullTimer);
+                }
+            }
+
+            if (currenthullSafety < HumanAIController.HULL_SAFETY_THRESHOLD)
+            {
+                searchHullTimer = Math.Min(1, searchHullTimer);
+            }
+
             if (unreachableClearTimer > 0)
             {
                 unreachableClearTimer -= deltaTime;
@@ -44,86 +79,56 @@ namespace Barotrauma
                 unreachableClearTimer = clearUnreachableInterval;
                 unreachable.Clear();
             }
+
+            if (searchHullTimer > 0.0f)
+            {
+                unreachableClearTimer = clearUnreachableInterval;
+                unreachable.Clear();
+            }
             if (character.CurrentHull == null)
             {
-                currenthullSafety = 0;
-                Priority = 100;
-                return;
+                var bestHull = FindBestHull();
+                if (bestHull != null && bestHull != currentHull)
+                {
+                    if (goToObjective != null)
+                    {
+                        if (goToObjective.Target != bestHull)
+                        {
+                            // If we need diving gear, we should already have it, if possible.
+                            goToObjective = new AIObjectiveGoTo(bestHull, character, getDivingGearIfNeeded: false)
+                            {
+                                AllowGoingOutside = HumanAIController.HasDivingSuit(character)
+                            };
+                        }
+                    }
+                    else
+                    {
+                        goToObjective = new AIObjectiveGoTo(bestHull, character, getDivingGearIfNeeded: false)
+                        {
+                            AllowGoingOutside = HumanAIController.HasDivingSuit(character)
+                        };
+                    }
+                }
+                searchHullTimer = SearchHullInterval;
             }
             if (character.OxygenAvailable < CharacterHealth.LowOxygenThreshold) { Priority = 100; }
             currenthullSafety = HumanAIController.GetHullSafety(character.CurrentHull);
             if (currenthullSafety > HumanAIController.HULL_SAFETY_THRESHOLD)
             {
-                Priority -= priorityDecrease * deltaTime;
-            }
-            else
-            {
-                float dangerFactor = (100 - currenthullSafety) / 100;
-                Priority += dangerFactor * priorityIncrease * deltaTime;
-            }
-            Priority = MathHelper.Clamp(Priority, 0, 100);
-            if (divingGearObjective != null && !divingGearObjective.IsCompleted() && divingGearObjective.CanBeCompleted)
-            {
-                Priority = Math.Max(Priority, Math.Min(AIObjectiveManager.OrderPriority + 20, 100));
-            }
-        }
-
-        protected override void Act(float deltaTime)
-        {
-            var currentHull = character.AnimController.CurrentHull;
-            bool needsDivingGear = HumanAIController.NeedsDivingGear(currentHull);
-            bool needsDivingSuit = needsDivingGear && (currentHull == null || currentHull.WaterPercentage > 90);
-            bool needsEquipment = false;
-            if (needsDivingSuit)
-            {
-                needsEquipment = !HumanAIController.HasDivingSuit(character);
-            }
-            else if (needsDivingGear)
-            {
-                needsEquipment = !HumanAIController.HasDivingMask(character);
-            }
-            if (needsEquipment)
-            {
-                TryAddSubObjective(ref divingGearObjective,
-                    () => new AIObjectiveFindDivingGear(character, needsDivingSuit, objectiveManager),
-                    onAbandon: () => searchHullTimer = Math.Min(1, searchHullTimer));
-            }
-            else
-            {
-                if (divingGearObjective != null && divingGearObjective.IsCompleted())
+                goToObjective.TryComplete(deltaTime);
+                if (!goToObjective.CanBeCompleted)
                 {
-                    // Reset the devotion.
-                    Priority = 0;
-                    divingGearObjective = null;
-                }
-                if (currenthullSafety < HumanAIController.HULL_SAFETY_THRESHOLD)
-                {
-                    searchHullTimer = Math.Min(1, searchHullTimer);
-                }
-                if (searchHullTimer > 0.0f)
-                {
-                    searchHullTimer -= deltaTime;
-                }
-                else
-                {
-                    searchHullTimer = SearchHullInterval;
-                    var bestHull = FindBestHull();
-                    if (bestHull != null && bestHull != currentHull)
+                    if (!unreachable.Contains(goToObjective.Target))
                     {
-                        if (goToObjective?.Target != bestHull)
-                        {
-                            goToObjective = null;
-                        }
-                        TryAddSubObjective(ref goToObjective, () =>
-                            new AIObjectiveGoTo(bestHull, character, objectiveManager, getDivingGearIfNeeded: false)
-                            {
-                            // If we need diving gear, we should already have it, if possible.
-                            AllowGoingOutside = HumanAIController.HasDivingSuit(character)
-                            }, onAbandon: () => unreachable.Add(goToObjective.Target as Hull));
+                        unreachable.Add(goToObjective.Target as Hull);
                     }
+                    goToObjective = null;
+                    HumanAIController.ObjectiveManager.GetObjective<AIObjectiveIdle>().Wander(deltaTime);
+                    //SteeringManager.SteeringWander();
                 }
-                if (goToObjective != null) { return; }
-                if (currentHull == null) { return; }
+            }
+            else if (currentHull != null)
+            {
                 //goto objective doesn't exist (a safe hull not found, or a path to a safe hull not found)
                 // -> attempt to manually steer away from hazards
                 Vector2 escapeVel = Vector2.Zero;
@@ -131,15 +136,17 @@ namespace Barotrauma
                 {
                     Vector2 dir = character.Position - fireSource.Position;
                     float distMultiplier = MathHelper.Clamp(100.0f / Vector2.Distance(fireSource.Position, character.Position), 0.1f, 10.0f);
-                    escapeVel += new Vector2(Math.Sign(dir.X) * distMultiplier, !character.IsClimbing ? 0 : Math.Sign(dir.Y) * distMultiplier);
+                    escapeVel += new Vector2(Math.Sign(dir.X) * distMultiplier, !character.IsClimbing ? 0 : Math.Sign(dir.Y) * distMultiplier);                                      
                 }
+
                 foreach (Character enemy in Character.CharacterList)
                 {
                     //don't run from friendly NPCs
                     if (enemy.TeamID == Character.TeamType.FriendlyNPC) { continue; }
                     //friendly NPCs don't run away from anything but characters controlled by EnemyAIController (= monsters)
                     if (character.TeamID == Character.TeamType.FriendlyNPC && !(enemy.AIController is EnemyAIController)) { continue; }
-                    if (enemy.CurrentHull == currentHull && !enemy.IsDead && !enemy.IsUnconscious &&
+
+                    if (enemy.CurrentHull == currentHull && !enemy.IsDead && !enemy.IsUnconscious && 
                         (enemy.AIController is EnemyAIController || enemy.TeamID != character.TeamID))
                     {
                         Vector2 dir = character.Position - enemy.Position;
@@ -147,6 +154,7 @@ namespace Barotrauma
                         escapeVel += new Vector2(Math.Sign(dir.X) * distMultiplier, !character.IsClimbing ? 0 : Math.Sign(dir.Y) * distMultiplier);
                     }
                 }
+
                 if (escapeVel != Vector2.Zero)
                 {
                     //only move if we haven't reached the edge of the room
@@ -243,5 +251,36 @@ namespace Barotrauma
             }
             return bestHull;
         }
+
+        public override bool IsDuplicate(AIObjective otherObjective)
+        {
+            return (otherObjective is AIObjectiveFindSafety);
+        }
+
+        public override void Update(AIObjectiveManager objectiveManager, float deltaTime)
+        {
+            if (character.CurrentHull == null)
+            {
+                currenthullSafety = 0;
+                Priority = 5;
+                return;
+            }
+            if (character.OxygenAvailable < CharacterHealth.LowOxygenThreshold) { Priority = 100; }
+            currenthullSafety = HumanAIController.GetHullSafety(character.CurrentHull);
+            if (currenthullSafety > HumanAIController.HULL_SAFETY_THRESHOLD)
+            {
+                Priority -= priorityDecrease * deltaTime;
+            }
+            else
+            {
+                float dangerFactor = (100 - currenthullSafety) / 100;
+                Priority += dangerFactor * priorityIncrease * deltaTime;
+            }
+            Priority = MathHelper.Clamp(Priority, 0, 100);
+            if (divingGearObjective != null && !divingGearObjective.IsCompleted() && divingGearObjective.CanBeCompleted)
+            {
+                Priority = Math.Max(Priority, AIObjectiveManager.OrderPriority + 10);
+            }
+        }
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveFixLeak.cs

@@ -3,24 +3,28 @@ using FarseerPhysics;
 using Microsoft.Xna.Framework;
 using System;
 using System.Linq;
-using Barotrauma.Extensions;
 
 namespace Barotrauma
 {
     class AIObjectiveFixLeak : AIObjective
     {
         public override string DebugTag => "fix leak";
+
+        public override bool KeepDivingGearOn => true;
         public override bool ForceRun => true;
 
-        public Gap Leak { get; private set; }
+        private readonly Gap leak;
 
         private AIObjectiveFindDivingGear findDivingGear;
-        private AIObjectiveGetItem getWeldingTool;
-        private AIObjectiveContainItem refuelObjective;
         private AIObjectiveGoTo gotoObjective;
         private AIObjectiveOperateItem operateObjective;
+        
+        public Gap Leak
+        {
+            get { return leak; }
+        }
 
-        public AIObjectiveFixLeak(Gap leak, Character character, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base (character, objectiveManager, priorityModifier)
+        public AIObjectiveFixLeak(Gap leak, Character character) : base (character, "")
         {
             Leak = leak;
         }
@@ -30,16 +34,17 @@ namespace Barotrauma
             return Leak.Open <= 0.0f || Leak.Removed;
         }
 
-        public override float GetPriority()
+        public override bool CanBeCompleted => !abandon && base.CanBeCompleted;
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
-            if (Leak.Open == 0.0f) { return 0.0f; }
-            // Vertical distance matters more than horizontal (climbing up/down is harder than moving horizontally)
-            float dist = Math.Abs(character.WorldPosition.X - Leak.WorldPosition.X) + Math.Abs(character.WorldPosition.Y - Leak.WorldPosition.Y) * 2.0f;
-            float distanceFactor = MathHelper.Lerp(1, 0.25f, MathUtils.InverseLerp(0, 10000, dist));
-            float severity = AIObjectiveFixLeaks.GetLeakSeverity(Leak);
-            float max = Math.Min((AIObjectiveManager.OrderPriority - 1), 90);
-            float devotion = Math.Min(Priority, 10) / 100;
-            return MathHelper.Lerp(0, max, MathHelper.Clamp(devotion + severity * distanceFactor * PriorityModifier, 0, 1));
+            if (leak.Open == 0.0f) { return 0.0f; }
+
+            float leakSize = (leak.IsHorizontal ? leak.Rect.Height : leak.Rect.Width) * Math.Max(leak.Open, 0.1f);
+
+            float dist = Vector2.DistanceSquared(character.SimPosition, leak.SimPosition);
+            dist = Math.Max(dist / 100.0f, 1.0f);
+            return Math.Min(leakSize / dist, 40.0f);
         }
 
         public override bool IsDuplicate(AIObjective otherObjective)
@@ -50,44 +55,59 @@ namespace Barotrauma
 
         protected override void Act(float deltaTime)
         {
-            if (!Leak.IsRoomToRoom)
+            if (!leak.IsRoomToRoom)
             {
-                if (!HumanAIController.HasDivingSuit(character))
+                if (findDivingGear == null)
                 {
-                    TryAddSubObjective(ref findDivingGear, () => new AIObjectiveFindDivingGear(character, true, objectiveManager));
+                    findDivingGear = new AIObjectiveFindDivingGear(character, true);
+                    AddSubObjective(findDivingGear);
+                }
+                else if (!findDivingGear.CanBeCompleted)
+                {
+                    abandon = true;
                     return;
                 }
             }
+
             var weldingTool = character.Inventory.FindItemByTag("weldingtool");
+
             if (weldingTool == null)
             {
-                TryAddSubObjective(ref getWeldingTool, () => new AIObjectiveGetItem(character, "weldingtool", objectiveManager, true));
+                AddSubObjective(new AIObjectiveGetItem(character, "weldingtool", true));
                 return;
             }
             else
             {
                 var containedItems = weldingTool.ContainedItems;
-                if (containedItems == null)
+                if (containedItems == null) return;
+                
+                var fuelTank = containedItems.FirstOrDefault(i => i.HasTag("weldingfueltank") && i.Condition > 0.0f);
+                if (fuelTank == null)
                 {
-#if DEBUG
-                    DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no proper inventory");
-#endif
-                    abandon = true;
+                    AddSubObjective(new AIObjectiveContainItem(character, "weldingfueltank", weldingTool.GetComponent<ItemContainer>()));
                     return;
                 }
-                // Drop empty tanks
-                foreach (Item containedItem in containedItems)
+            }
+
+            var repairTool = weldingTool.GetComponent<RepairTool>();
+            if (repairTool == null) { return; }
+
+            Vector2 gapDiff = leak.WorldPosition - character.WorldPosition;
+
+            // TODO: use the collider size/reach?
+            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
+            {
+                HumanAIController.AnimController.Crouching = true;
+            }
+
+            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
+            bool canReach = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
+            if (canReach)
+            {
+                Limb sightLimb = null;
+                if (character.Inventory.IsInLimbSlot(repairTool.Item, InvSlotType.RightHand))
                 {
-                    if (containedItem == null) { continue; }
-                    if (containedItem.Condition <= 0.0f)
-                    {
-                        containedItem.Drop(character);
-                    }
-                }
-                if (containedItems.None(i => i.HasTag("weldingfueltank") && i.Condition > 0.0f))
-                {
-                    TryAddSubObjective(ref refuelObjective, () => new AIObjectiveContainItem(character, "weldingfueltank", weldingTool.GetComponent<ItemContainer>(), objectiveManager));
-                    return;
+                    sightLimb = character.AnimController.GetLimb(LimbType.RightHand);
                 }
                 else if (character.Inventory.IsInLimbSlot(repairTool.Item, InvSlotType.LeftHand))
                 {
@@ -95,281 +115,45 @@ namespace Barotrauma
                 }
                 canReach = character.CanSeeTarget(leak, sightLimb);
             }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
             else
             {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
+                if (gotoObjective != null)
+                {
+                    // Check if the objective is already removed -> completed/impossible
+                    if (!subObjectives.Contains(gotoObjective))
+                    {
+                        if (!gotoObjective.CanBeCompleted)
+                        {
+                            abandon = true;
+                        }
+                        gotoObjective = null;
+                        return;
+                    }
+                }
+                else
+                {
+                    gotoObjective = new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character)
+                    {
+                        CloseEnough = reach
+                    };
+                    if (!subObjectives.Contains(gotoObjective))
+                    {
+                        AddSubObjective(gotoObjective);
+                    }
+                }
             }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
+            if (gotoObjective == null || gotoObjective.IsCompleted())
             {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
-            var repairTool = weldingTool.GetComponent<RepairTool>();
-            if (repairTool == null)
-            {
-#if DEBUG
-                DebugConsole.ThrowError("AIObjectiveFixLeak failed - the item \"" + weldingTool + "\" has no RepairTool component but is tagged as a welding tool");
-#endif
-                abandon = true;
-                return;
-            }
-            Vector2 gapDiff = Leak.WorldPosition - character.WorldPosition;
-            // TODO: use the collider size/reach?
-            if (!character.AnimController.InWater && Math.Abs(gapDiff.X) < 100 && gapDiff.Y < 0.0f && gapDiff.Y > -150)
-            {
-                HumanAIController.AnimController.Crouching = true;
-            }
-            float reach = ConvertUnits.ToSimUnits(repairTool.Range);
-            bool canOperate = ConvertUnits.ToSimUnits(gapDiff.Length()) < reach;
-            if (canOperate)
-            {
-                TryAddSubObjective(ref operateObjective, () => new AIObjectiveOperateItem(repairTool, character, objectiveManager, option: "", requireEquip: true, operateTarget: Leak));
-            }
-            else
-            {
-                TryAddSubObjective(ref gotoObjective, () => new AIObjectiveGoTo(ConvertUnits.ToSimUnits(GetStandPosition()), character, objectiveManager) { CloseEnough = reach * 0.75f });
-            }
+                if (operateObjective == null)
+                {
+                    operateObjective = new AIObjectiveOperateItem(repairTool, character, "", true, leak);
+                    AddSubObjective(operateObjective);
+                }
+                else if (!subObjectives.Contains(operateObjective))
+                {
+                    operateObjective = null;
+                }
+            }   
         }
 
         private Vector2 GetStandPosition()

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveFixLeaks.cs

@@ -9,28 +9,38 @@ namespace Barotrauma
     class AIObjectiveFixLeaks : AIObjectiveLoop<Gap>
     {
         public override string DebugTag => "fix leaks";
+        public override bool KeepDivingGearOn => true;
         public override bool ForceRun => true;
 
-        public AIObjectiveFixLeaks(Character character, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base(character, objectiveManager, priorityModifier) { }
+        public AIObjectiveFixLeaks(Character character) : base (character, "") { }
+
+        protected override void FindTargets()
+        {
+            if (character.Submarine == null) { return 0; }
+            if (targets.None()) { return 0; }
+            if (objectiveManager.CurrentOrder == this)
+            {
+                return AIObjectiveManager.OrderPriority;
+            }
+            return MathHelper.Lerp(0, AIObjectiveManager.OrderPriority, targets.Average(t => Average(t)));
+        }
 
         protected override void FindTargets()
         {
             base.FindTargets();
-            if (targets.None() && objectiveManager.CurrentOrder == this)
-            {
-                character.Speak(TextManager.Get("DialogNoLeaks"), null, 3.0f, "noleaks", 30.0f);
-            }
+            targets.Sort((x, y) => GetGapFixPriority(y).CompareTo(GetGapFixPriority(x)));
         }
 
-        protected override bool Filter(Gap gap) => IsValidTarget(gap, character);
-
-        public static float GetLeakSeverity(Gap leak)
+        protected override bool Filter(Gap gap)
         {
-            if (leak == null) { return 0; }
-            float sizeFactor = MathHelper.Lerp(1, 10, MathUtils.InverseLerp(0, 200, (leak.IsHorizontal ? leak.Rect.Width : leak.Rect.Height)));
-            float severity = sizeFactor * leak.Open;
-            if (!leak.IsRoomToRoom) { severity *= 50; }
-            return MathHelper.Min(severity, 100);
+            bool ignore = ignoreList.Contains(gap) || gap.ConnectedWall == null || gap.ConnectedDoor != null || gap.Open <= 0 || gap.linkedTo.All(l => l == null);
+            if (!ignore)
+            {
+                if (gap.Submarine == null) { ignore = true; }
+                else if (gap.Submarine.TeamID != character.TeamID) { ignore = true; }
+                else if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(gap, true)) { ignore = true; }
+            }
+            return ignore;
         }
 
         public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveFixLeaks;
@@ -38,14 +48,9 @@ namespace Barotrauma
         protected override IEnumerable<Gap> GetList() => Gap.GapList;
         protected override AIObjective ObjectiveConstructor(Gap gap) => new AIObjectiveFixLeak(gap, character, objectiveManager, PriorityModifier);
 
-        public static bool IsValidTarget(Gap gap, Character character)
-        {
-            if (gap == null) { return false; }
-            if (gap.ConnectedWall == null || gap.ConnectedDoor != null || gap.Open <= 0 || gap.linkedTo.All(l => l == null)) { return false; }
-            if (gap.Submarine == null) { return false; }
-            if (gap.Submarine.TeamID != character.TeamID) { return false; }
-            if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(gap, true)) { return false; }
-            return true;
-        }
+        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveFixLeaks;
+        protected override float Average(Gap gap) => gap.Open;
+        protected override IEnumerable<Gap> GetList() => Gap.GapList;
+        protected override AIObjective ObjectiveConstructor(Gap gap) => new AIObjectiveFixLeak(gap, character);
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveGetItem.cs

@@ -11,9 +11,6 @@ namespace Barotrauma
     {
         public override string DebugTag => "get item";
 
-        private readonly bool equip;
-        private readonly HashSet<Item> ignoredItems = new HashSet<Item>();
-
         public Func<Item, float> GetItemPriority;
 
         //can be either tags or identifiers
@@ -23,8 +20,14 @@ namespace Barotrauma
         public string[] ignoredContainerIdentifiers;
         private AIObjectiveGoTo goToObjective;
         private float currItemPriority;
+        private bool equip;
 
-        public override float GetPriority()
+        private HashSet<Item> ignoredItems = new HashSet<Item>();
+
+        private bool canBeCompleted = true;
+        public override bool CanBeCompleted => canBeCompleted;
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
             if (objectiveManager.CurrentOrder == this)
             {
@@ -33,19 +36,16 @@ namespace Barotrauma
             return 1.0f;
         }
 
-        public AIObjectiveGetItem(Character character, Item targetItem, AIObjectiveManager objectiveManager, bool equip = false, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public AIObjectiveGetItem(Character character, Item targetItem, bool equip = false) : base(character, "")
         {
             currSearchIndex = -1;
             this.equip = equip;
             this.targetItem = targetItem;
         }
 
-        public AIObjectiveGetItem(Character character, string itemIdentifier, AIObjectiveManager objectiveManager, bool equip = false, float priorityModifier = 1) 
-            : this(character, new string[] { itemIdentifier }, objectiveManager, equip, priorityModifier) { }
+        public AIObjectiveGetItem(Character character, string itemIdentifier, bool equip = false) : this(character, new string[] { itemIdentifier }, equip) { }
 
-        public AIObjectiveGetItem(Character character, string[] itemIdentifiers, AIObjectiveManager objectiveManager, bool equip = false, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public AIObjectiveGetItem(Character character, string[] itemIdentifiers, bool equip = false) : base(character, "")
         {
             currSearchIndex = -1;
             this.equip = equip;
@@ -54,15 +54,20 @@ namespace Barotrauma
             {
                 itemIdentifiers[i] = itemIdentifiers[i].ToLowerInvariant();
             }
+
             CheckInventory();
         }
 
         private void CheckInventory()
         {
-            if (itemIdentifiers == null) { return; }
+            if (itemIdentifiers == null)
+            {
+                return;
+            }
+
             for (int i = 0; i < character.Inventory.Items.Length; i++)
             {
-                if (character.Inventory.Items[i] == null || character.Inventory.Items[i].Condition <= 0.0f) { continue; }
+                if (character.Inventory.Items[i] == null || character.Inventory.Items[i].Condition <= 0.0f) continue;
                 if (itemIdentifiers.Any(id => character.Inventory.Items[i].Prefab.Identifier == id || character.Inventory.Items[i].HasTag(id)))
                 {
                     targetItem = character.Inventory.Items[i];
@@ -76,7 +81,7 @@ namespace Barotrauma
                 {
                     foreach (Item containedItem in containedItems)
                     {
-                        if (containedItem == null || containedItem.Condition <= 0.0f) { continue; }
+                        if (containedItem == null || containedItem.Condition <= 0.0f) continue;
                         if (itemIdentifiers.Any(id => containedItem.Prefab.Identifier == id || containedItem.HasTag(id)))
                         {
                             targetItem = containedItem;
@@ -94,11 +99,13 @@ namespace Barotrauma
             FindTargetItem();
             if (targetItem == null || moveToTarget == null)
             {
-                objectiveManager.GetObjective<AIObjectiveIdle>()?.Wander(deltaTime);
+                HumanAIController.ObjectiveManager.GetObjective<AIObjectiveIdle>().Wander(deltaTime);
+                //SteeringManager.SteeringWander();
                 return;
             }
+
             if (moveToTarget.CurrentHull == character.CurrentHull && 
-                Vector2.DistanceSquared(character.Position, moveToTarget.Position) < MathUtils.Pow(targetItem.InteractDistance, 2))
+                Vector2.DistanceSquared(character.Position, moveToTarget.Position) < MathUtils.Pow(targetItem.InteractDistance * 2, 2))
             {
                 int targetSlot = -1;
                 if (equip)
@@ -116,7 +123,8 @@ namespace Barotrauma
                         for (int i = 0; i < character.Inventory.Items.Length; i++)
                         {
                             //slot not needed by the item, continue
-                            if (!slots.HasFlag(character.Inventory.SlotTypes[i])) { continue; }
+                            if (!slots.HasFlag(character.Inventory.SlotTypes[i])) continue;
+
                             targetSlot = i;
                             //slot free, continue
                             if (character.Inventory.Items[i] == null) { continue; }
@@ -128,6 +136,7 @@ namespace Barotrauma
                     }
                 }
                 targetItem.TryInteract(character, false, true);
+
                 if (targetSlot > -1 && !character.HasEquippedItem(targetItem))
                 {
                     character.Inventory.TryPutItem(targetItem, targetSlot, false, false, character);
@@ -135,20 +144,23 @@ namespace Barotrauma
             }
             else
             {
-                TryAddSubObjective(ref goToObjective,
-                    constructor: () =>
-                    {
-                        //check if we're already looking for a diving gear
-                        bool gettingDivingGear = (targetItem != null && targetItem.Prefab.Identifier == "divingsuit" || targetItem.HasTag("diving")) ||
-                                                (itemIdentifiers != null && (itemIdentifiers.Contains("diving") || itemIdentifiers.Contains("divingsuit")));
-                        return new AIObjectiveGoTo(moveToTarget, character, objectiveManager, repeat: false, getDivingGearIfNeeded: !gettingDivingGear);
-                    },
-                    onAbandon: () =>
-                    {
-                        targetItem = null;
-                        moveToTarget = null;
-                        ignoredItems.Add(targetItem);
-                    });
+                if (goToObjective == null || moveToTarget != goToObjective.Target)
+                {
+                    //check if we're already looking for a diving gear
+                    bool gettingDivingGear = (targetItem != null && targetItem.Prefab.Identifier == "divingsuit" || targetItem.HasTag("diving")) ||
+                                            (itemIdentifiers != null && (itemIdentifiers.Contains("diving") || itemIdentifiers.Contains("divingsuit")));
+
+                    //don't attempt to get diving gear to reach the destination if the item we're trying to get is diving gear
+                    goToObjective = new AIObjectiveGoTo(moveToTarget, character, false, !gettingDivingGear);
+                }
+
+                goToObjective.TryComplete(deltaTime);
+                if (!goToObjective.CanBeCompleted)
+                {
+                    targetItem = null;
+                    moveToTarget = null;
+                    ignoredItems.Add(targetItem);
+                }
             }
         }
 
@@ -164,10 +176,11 @@ namespace Barotrauma
 #if DEBUG
                     DebugConsole.NewMessage($"{character.Name}: Cannot find the item, because neither identifiers nor item is was defined.");
 #endif
-                    abandon = true;
+                    canBeCompleted = false;
                 }
                 return;
             }
+
             for (int i = 0; i < 10 && currSearchIndex < Item.ItemList.Count - 1; i++)
             {
                 currSearchIndex++;
@@ -176,18 +189,15 @@ namespace Barotrauma
                 if (item.Submarine == null) { continue; }
                 else if (item.Submarine.TeamID != character.TeamID) { continue; }
                 else if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(item, true)) { continue; }
+
                 if (item.CurrentHull == null || item.Condition <= 0.0f) { continue; }
                 if (itemIdentifiers.None(id => item.Prefab.Identifier == id || item.HasTag(id))) { continue; }
+
                 if (ignoredContainerIdentifiers != null && item.Container != null)
                 {
                     if (ignoredContainerIdentifiers.Contains(item.ContainerIdentifier)) { continue; }
                 }
 
-                // TODO: need to exclude items that already are in the inventory?
-                //// Don't allow to get items in rooms that have a fire (except fire extinguishers) or an enemy inside (except weapons)
-                //if (!itemIdentifiers.Contains("extinguisher") && item.CurrentHull.FireSources.Count > 0 || 
-                //    item.GetComponent<MeleeWeapon>() == null && item.GetComponent<RangedWeapon>() == null && Character.CharacterList.Any(c => c.CurrentHull == item.CurrentHull && !HumanAIController.IsFriendly(c))) { continue; }
-
                 //if the item is inside a character's inventory, don't steal it unless the character is dead
                 if (item.ParentInventory is CharacterInventory)
                 {
@@ -209,9 +219,11 @@ namespace Barotrauma
                 itemPriority -= Vector2.Distance((rootContainer ?? item).Position, character.Position) * 0.01f;
                 //ignore if the item has a lower priority than the currently selected one
                 if (moveToTarget != null && itemPriority < currItemPriority) { continue; }
+
                 currItemPriority = itemPriority;
                 targetItem = item;
                 moveToTarget = rootContainer ?? item;
+
             }
             //if searched through all the items and a target wasn't found, can't be completed
             if (currSearchIndex >= Item.ItemList.Count - 1 && targetItem == null)
@@ -219,21 +231,21 @@ namespace Barotrauma
 #if DEBUG
                 DebugConsole.NewMessage($"{character.Name}: Cannot find the item with the following identifier(s): {string.Join(", ", itemIdentifiers)}");
 #endif
-                abandon = true;
+                canBeCompleted = false;
             }
         }
 
         public override bool IsDuplicate(AIObjective otherObjective)
         {
             AIObjectiveGetItem getItem = otherObjective as AIObjectiveGetItem;
-            if (getItem == null) { return false; }
-            if (getItem.equip != equip) { return false; }
+            if (getItem == null) return false;
+            if (getItem.equip != equip) return false;
             if (getItem.itemIdentifiers != null && itemIdentifiers != null)
             {
-                if (getItem.itemIdentifiers.Length != itemIdentifiers.Length) { return false; }
+                if (getItem.itemIdentifiers.Length != itemIdentifiers.Length) return false;
                 for (int i = 0; i < getItem.itemIdentifiers.Length; i++)
                 {
-                    if (getItem.itemIdentifiers[i] != itemIdentifiers[i]) { return false; }
+                    if (getItem.itemIdentifiers[i] != itemIdentifiers[i]) return false;
                 }
                 return true;
             }
@@ -251,10 +263,7 @@ namespace Barotrauma
                 foreach (string itemName in itemIdentifiers)
                 {
                     var matchingItem = character.Inventory.FindItemByTag(itemName) ?? character.Inventory.FindItemByIdentifier(itemName);
-                    if (matchingItem != null && (!equip || character.HasEquippedItem(matchingItem)))
-                    {
-                        return true;
-                    }
+                    if (matchingItem != null && (!equip || character.HasEquippedItem(matchingItem))) return true;
                 }
                 return false;
             }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveGoTo.cs

@@ -9,23 +9,29 @@ namespace Barotrauma
     {
         public override string DebugTag => "go to";
 
+        private AIObjectiveFindDivingGear findDivingGear;
+
         private AIObjectiveFindDivingGear findDivingGear;
         private Vector2 targetPos;
         private bool repeat;
+        private bool cannotReach;
+
         //how long until the path to the target is declared unreachable
         private float waitUntilPathUnreachable;
         private bool getDivingGearIfNeeded;
 
-        public float CloseEnough { get; set; } = 0.5f;
-        public bool IgnoreIfTargetDead { get; set; }
-        public bool AllowGoingOutside { get; set; }
-        public bool CheckVisibility { get; set; }
+        public float CloseEnough = 0.5f;
 
-        public override float GetPriority()
+        public bool IgnoreIfTargetDead;
+
+        public bool AllowGoingOutside = false;
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
             if (FollowControlledCharacter && Character.Controlled == null) { return 0.0f; }
             if (Target != null && Target.Removed) { return 0.0f; }
-            if (IgnoreIfTargetDead && Target is Character character && character.IsDead) { return 0.0f; }                     
+            if (IgnoreIfTargetDead && Target is Character character && character.IsDead) { return 0.0f; }
+                        
             if (objectiveManager.CurrentOrder == this)
             {
                 return AIObjectiveManager.OrderPriority;
@@ -33,6 +39,44 @@ namespace Barotrauma
             return 1.0f;
         }
 
+        public override bool CanBeCompleted
+        {
+            get
+            {
+                bool canComplete = !cannotReach && !abandon;
+                if (canComplete)
+                {
+                    if (FollowControlledCharacter && Character.Controlled == null)
+                    {
+                        canComplete = false;
+                    }
+                    else if (Target != null && Target.Removed)
+                    {
+                        canComplete = false;
+                    }
+                    else if (!repeat && waitUntilPathUnreachable < 0)
+                    {
+                        if (SteeringManager == PathSteering && PathSteering.CurrentPath != null)
+                        {
+                            canComplete = !PathSteering.CurrentPath.Unreachable;
+                        }
+                    }
+                }
+                if (!canComplete)
+                {
+#if DEBUG
+                    DebugConsole.NewMessage($"{character.Name}: Cannot reach the target: {(Target != null ? Target.ToString() : TargetPos.ToString())}", Color.Yellow);
+#endif
+                    if (HumanAIController.ObjectiveManager.CurrentOrder != null)
+                    {
+                        character.Speak(TextManager.Get("DialogCannotReach"), identifier: "cannotreach", minDurationBetweenSimilar: 10.0f);
+                    }
+                    character.AIController.SteeringManager.Reset();
+                }
+                return canComplete;
+            }
+        }
+
         public Entity Target { get; private set; }
 
         public Vector2 TargetPos => Target != null ? Target.SimPosition : targetPos;
@@ -45,7 +89,7 @@ namespace Barotrauma
             this.Target = target;
             this.repeat = repeat;
 
-            waitUntilPathUnreachable = 2.0f;
+            waitUntilPathUnreachable = 1.0f;
             this.getDivingGearIfNeeded = getDivingGearIfNeeded;
             CalculateCloseEnough();
         }
@@ -66,36 +110,27 @@ namespace Barotrauma
         {
             if (FollowControlledCharacter)
             {
-                if (Character.Controlled == null)
-                {
-                    abandon = true;
-                    return;
-                }
+                if (Character.Controlled == null) { return; }
                 Target = Character.Controlled;
             }
+
             if (Target == character)
             {
                 character.AIController.SteeringManager.Reset();
-                abandon = true;
                 return;
-            }           
+            }
+            
             waitUntilPathUnreachable -= deltaTime;
+
             if (!character.IsClimbing)
             {
                 character.SelectedConstruction = null;
             }
-            if (Target != null)
-            {
-                if (Target.Removed)
-                {
-                    abandon = true;
-                }
-                else
-                {
-                    character.AIController.SelectTarget(Target.AiTarget);
-                }
-            }
+
+            if (Target != null) { character.AIController.SelectTarget(Target.AiTarget); }
+
             Vector2 currTargetPos = Vector2.Zero;
+
             if (Target == null)
             {
                 currTargetPos = targetPos;
@@ -110,12 +145,8 @@ namespace Barotrauma
                     currTargetPos -= character.Submarine.SimPosition;
                 }
             }
-            bool sightCheck = true;
-            if (CheckVisibility && Target != null)
-            {
-                sightCheck = Target is Character ch ? character.CanSeeCharacter(ch) : character.CanSeeTarget(Target);
-            }
-            if (sightCheck && Vector2.DistanceSquared(currTargetPos, character.SimPosition) < CloseEnough * CloseEnough)
+
+            if (Vector2.DistanceSquared(currTargetPos, character.SimPosition) < CloseEnough * CloseEnough)
             {
                 character.AIController.SteeringManager.Reset();
                 character.AnimController.TargetDir = currTargetPos.X > character.SimPosition.X ? Direction.Right : Direction.Left;
@@ -123,50 +154,31 @@ namespace Barotrauma
             else
             {
                 bool isInside = character.CurrentHull != null;
-                bool insideSteering = SteeringManager == PathSteering && PathSteering.CurrentPath != null && !PathSteering.IsPathDirty;
+                bool insideSteering = SteeringManager == PathSteering && PathSteering.CurrentPath != null;
                 bool targetIsOutside = (Target != null && Target.Submarine == null) || (insideSteering && PathSteering.CurrentPath.HasOutdoorsNodes);
                 if (isInside && targetIsOutside && !AllowGoingOutside)
                 {
-                    abandon = true;
-                }
-                else if (!repeat && waitUntilPathUnreachable < 0)
-                {
-                    if (SteeringManager == PathSteering && PathSteering.CurrentPath != null)
-                    {
-                        abandon = PathSteering.CurrentPath.Unreachable;
-                    }
-                }
-                if (abandon)
-                {
-#if DEBUG
-                    DebugConsole.NewMessage($"{character.Name}: Cannot reach the target: {(Target != null ? Target.ToString() : TargetPos.ToString())}", Color.Yellow);
-#endif
-                    if (objectiveManager.CurrentOrder != null)
-                    {
-                        character.Speak(TextManager.Get("DialogCannotReach"), identifier: "cannotreach", minDurationBetweenSimilar: 10.0f);
-                    }
-                    character.AIController.SteeringManager.Reset();
+                    cannotReach = true;
                 }
                 else
                 {
                     character.AIController.SteeringManager.SteeringSeek(currTargetPos);
                     if (getDivingGearIfNeeded)
                     {
-                        var targetHull = Target is Hull h ? h : Target is Item i ? i.CurrentHull : Target is Character c ? c.CurrentHull : character.CurrentHull;
-                        bool needsDivingGear = HumanAIController.NeedsDivingGear(targetHull);
-                        bool needsDivingSuit = needsDivingGear && (targetIsOutside || targetHull.WaterPercentage > 90);
-                        bool needsEquipment = false;
-                        if (needsDivingSuit)
+                        if (targetIsOutside ||
+                            Target is Hull h && HumanAIController.NeedsDivingGear(h) ||
+                            Target is Item i && HumanAIController.NeedsDivingGear(i.CurrentHull) ||
+                            Target is Character c && HumanAIController.NeedsDivingGear(c.CurrentHull))
                         {
-                            needsEquipment = !HumanAIController.HasDivingSuit(character);
-                        }
-                        else if (needsDivingGear)
-                        {
-                            needsEquipment = !HumanAIController.HasDivingMask(character);
-                        }
-                        if (needsEquipment)
-                        {
-                            TryAddSubObjective(ref findDivingGear, () => new AIObjectiveFindDivingGear(character, needsDivingSuit, objectiveManager));
+                            if (findDivingGear == null)
+                            {
+                                findDivingGear = new AIObjectiveFindDivingGear(character, true);
+                                AddSubObjective(findDivingGear);
+                            }
+                            else if (!findDivingGear.CanBeCompleted)
+                            {
+                                abandon = true;
+                            }
                         }
                     }
                 }
@@ -177,30 +189,40 @@ namespace Barotrauma
         {
             if (repeat) { return false; }
             bool completed = false;
+
             if (Target is Item item)
             {
-                if (item.IsInsideTrigger(character.WorldPosition)) { completed = true; }
+                if (item.IsInsideTrigger(character.WorldPosition)) completed = true;
             }
             else if (Target is Character targetCharacter)
             {
-                if (character.CanInteractWith(targetCharacter)) { completed = true; }
+                if (character.CanInteractWith(targetCharacter)) completed = true;
             }
+
             completed = completed || Vector2.DistanceSquared(Target != null ? Target.SimPosition : targetPos, character.SimPosition) < CloseEnough * CloseEnough;
-            if (completed) { character.AIController.SteeringManager.Reset(); }
+
+            if (completed) character.AIController.SteeringManager.Reset();
+
             return completed;
         }
 
         public override bool IsDuplicate(AIObjective otherObjective)
         {
-            if (!(otherObjective is AIObjectiveGoTo objective)) { return false; }
-            if (objective.Target == Target) { return true; }
-            return objective.targetPos == targetPos;
-        }
+            AIObjectiveGoTo objective = otherObjective as AIObjectiveGoTo;
+            if (objective == null) return false;
+
+            if (objective.Target == Target) return true;
 
         private void CalculateCloseEnough()
         {
             float interactionDistance = Target is Item i ? ConvertUnits.ToSimUnits(i.InteractDistance * 0.9f) : 0;
             CloseEnough = Math.Max(interactionDistance, CloseEnough);
         }
+
+        private void CalculateCloseEnough()
+        {
+            float interactionDistance = Target is Item i ? ConvertUnits.ToSimUnits(i.InteractDistance) : 0;
+            CloseEnough = Math.Max(interactionDistance, CloseEnough);
+        }
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveIdle.cs

@@ -38,18 +38,6 @@ namespace Barotrauma
         public override bool IsCompleted() => false;
         public override bool CanBeCompleted => true;
 
-        public override bool IsLoop { get => true; set => throw new System.Exception("Trying to set the value for IsLoop from: " + System.Environment.StackTrace); }
-
-        private float randomTimer;
-        private float randomUpdateInterval = 5;
-        public float Random { get; private set; }
-
-        public void SetRandom()
-        {
-            Random = Rand.Range(0.5f, 1.5f);
-            randomTimer = randomUpdateInterval;
-        }
-
         public override float GetPriority()
         {
             float max = Math.Min(Math.Min(AIObjectiveManager.RunPriority, AIObjectiveManager.OrderPriority) - 1, 100);
@@ -83,7 +71,7 @@ namespace Barotrauma
 
         protected override void Act(float deltaTime)
         {
-            if (PathSteering == null) { return; }
+            if (PathSteering == null) return;
 
             //don't keep dragging others when idling
             if (character.SelectedCharacter != null)
@@ -95,10 +83,24 @@ namespace Barotrauma
                 character.SelectedConstruction = null;
             }
 
+            bool currentHullForbidden = IsForbidden(character.CurrentHull);
+            if (!currentHullForbidden && !character.AnimController.InWater && !character.IsClimbing && HumanAIController.ObjectiveManager.WaitTimer > 0)
+            {
+                SteeringManager.Reset();
+                return;
+            }
+            if (!character.IsClimbing)
+            {
+                character.SelectedConstruction = null;
+            }
+
             bool currentTargetIsInvalid = currentTarget == null || IsForbidden(currentTarget) || 
                 (PathSteering.CurrentPath != null && PathSteering.CurrentPath.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull)));
 
-            if (currentTargetIsInvalid || currentTarget == null && IsForbidden(character.CurrentHull))
+            bool currentTargetIsInvalid = currentTarget == null || IsForbidden(currentTarget) || 
+                (PathSteering.CurrentPath != null && PathSteering.CurrentPath.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull)));
+
+            if (currentTargetIsInvalid || (currentTarget == null && currentHullForbidden))
             {
                 newTargetTimer = 0;
                 standStillTimer = 0;
@@ -135,6 +137,7 @@ namespace Barotrauma
                 {
                     //choose a random available hull
                     var randomHull = ToolBox.SelectWeightedRandom(targetHulls, hullWeights, Rand.RandSync.Unsynced);
+
                     bool isCurrentHullOK = !HumanAIController.UnsafeHulls.Contains(character.CurrentHull) && !IsForbidden(character.CurrentHull);
                     if (isCurrentHullOK)
                     {
@@ -142,8 +145,7 @@ namespace Barotrauma
                         // Only do this when the current hull is ok, because otherwise would block all paths from the current hull to the target hull.
                         var path = PathSteering.PathFinder.FindPath(character.SimPosition, randomHull.SimPosition);
                         if (path.Unreachable ||
-                            path.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull) ||
-                            IsForbidden(n.CurrentHull)))
+                            path.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull) || IsForbidden(n.CurrentHull)))
                         {
                             //can't go to this room, remove it from the list and try another room next frame
                             int index = targetHulls.IndexOf(randomHull);
@@ -266,6 +268,7 @@ namespace Barotrauma
 
         private void FindTargetHulls()
         {
+            bool isCurrentHullOK = !HumanAIController.UnsafeHulls.Contains(character.CurrentHull) && !IsForbidden(character.CurrentHull);
             targetHulls.Clear();
             hullWeights.Clear();
             foreach (var hull in Hull.hullList)
@@ -297,7 +300,7 @@ namespace Barotrauma
             }
         }
 
-        public static bool IsForbidden(Hull hull)
+        private bool IsForbidden(Hull hull)
         {
             if (hull == null) { return true; }
             string hullName = hull.RoomName?.ToLowerInvariant();

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveLoop.cs

@@ -7,7 +7,7 @@ namespace Barotrauma
 {
     abstract class AIObjectiveLoop<T> : AIObjective
     {
-        protected HashSet<T> targets = new HashSet<T>();
+        protected List<T> targets = new List<T>();
         protected Dictionary<T, AIObjective> objectives = new Dictionary<T, AIObjective>();
         protected HashSet<T> ignoreList = new HashSet<T>();
         private float ignoreListTimer;
@@ -15,25 +15,9 @@ namespace Barotrauma
 
         // By default, doesn't clear the list automatically
         protected virtual float IgnoreListClearInterval => 0;
+        protected virtual float TargetUpdateInterval => 2;
 
-        public HashSet<T> ReportedTargets { get; private set; } = new HashSet<T>();
-
-        public bool AddTarget(T target)
-        {
-            if (ReportedTargets.Contains(target))
-            {
-                return false;
-            }
-            if (Filter(target))
-            {
-                ReportedTargets.Add(target);
-                return true;
-            }
-            return false;
-        }
-
-        public AIObjectiveLoop(Character character, AIObjectiveManager objectiveManager, float priorityModifier, string option = null) 
-            : base(character, objectiveManager, priorityModifier, option)
+        public AIObjectiveLoop(Character character, string option) : base(character, option)
         {
             Reset();
         }
@@ -42,11 +26,9 @@ namespace Barotrauma
         public override bool IsCompleted() => false;
         public override bool CanBeCompleted => true;
 
-        public override bool IsLoop { get => true; set => throw new System.Exception("Trying to set the value for IsLoop from: " + System.Environment.StackTrace); }
-
-        public override void Update(float deltaTime)
+        public override void Update(AIObjectiveManager objectiveManager, float deltaTime)
         {
-            base.Update(deltaTime);
+            base.Update(objectiveManager, deltaTime);
             if (IgnoreListClearInterval > 0)
             {
                 if (ignoreListTimer > IgnoreListClearInterval)
@@ -58,13 +40,14 @@ namespace Barotrauma
                     ignoreListTimer += deltaTime;
                 }
             }
-            if (targetUpdateTimer < 0)
+            if (targetUpdateTimer >= TargetUpdateInterval)
             {
+                targetUpdateTimer = 0;
                 UpdateTargets();
             }
             else
             {
-                targetUpdateTimer -= deltaTime;
+                targetUpdateTimer += deltaTime;
             }
             // Sync objectives, subobjectives and targets
             foreach (var objective in objectives)
@@ -73,7 +56,7 @@ namespace Barotrauma
                 if (!objective.Value.CanBeCompleted)
                 {
                     ignoreList.Add(target);
-                    targetUpdateTimer = 0;
+                    targetUpdateTimer = TargetUpdateInterval;
                 }
                 if (!targets.Contains(target))
                 {
@@ -87,9 +70,6 @@ namespace Barotrauma
             }
         }
 
-        // the timer is set between 1 and 10 seconds, depending on the priority
-        private float SetTargetUpdateTimer() => targetUpdateTimer = 1 / MathHelper.Clamp(PriorityModifier * Rand.Range(0.75f, 1.25f), 0.1f, 1);
-
         public override void Reset()
         {
             ignoreList.Clear();
@@ -99,34 +79,19 @@ namespace Barotrauma
 
         public override void OnSelected()
         {
-            base.OnSelected();
-            if (HumanAIController.ObjectiveManager.CurrentOrder == this)
-            {
-                Reset();
-            }
+            Reset();
         }
 
-        public override float GetPriority()
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
             if (character.Submarine == null) { return 0; }
             if (targets.None()) { return 0; }
-            // Allow the target value to be more than 100.
-            float targetValue = TargetEvaluation();
-            // If the target value is less than 1% of the max value, let's just treat it as zero.
-            if (targetValue < 1) { return 0; }
-            if (objectiveManager.CurrentOrder == this)
-            {
-                return AIObjectiveManager.OrderPriority;
-            }
-            float max = MathHelper.Min(AIObjectiveManager.OrderPriority - 1, 90);
-            float devotion = MathHelper.Min(10, Priority);
-            float value = MathHelper.Clamp((devotion + targetValue * PriorityModifier) / 100, 0, 1);
-            return MathHelper.Lerp(0, max, value);
+            float avg = targets.Average(t => Average(t));
+            return MathHelper.Lerp(0, AIObjectiveManager.OrderPriority + 20, avg / 100);
         }
 
         protected void UpdateTargets()
         {
-            SetTargetUpdateTimer();
             targets.Clear();
             FindTargets();
             CreateObjectives();
@@ -134,19 +99,12 @@ namespace Barotrauma
 
         protected virtual void FindTargets()
         {
-            foreach (T target in GetList())
+            foreach (T item in GetList())
             {
-                // The bots always find targets when the objective is an order.
-                if (objectiveManager.CurrentOrder != this)
+                if (Filter(item)) { continue; }
+                if (!targets.Contains(item))
                 {
-                    // Battery or pump states cannot currently be reported (not implemented) and therefore we must ignore them -> the bots always know if they require attention.
-                    bool ignore = this is AIObjectiveChargeBatteries || this is AIObjectivePumpWater;
-                    if (!ignore && !ReportedTargets.Contains(target)) { continue; }
-                }
-                if (!Filter(target)) { continue; }
-                if (!ignoreList.Contains(target))
-                {
-                    targets.Add(target);
+                    targets.Add(item);
                 }
             }
         }
@@ -158,7 +116,6 @@ namespace Barotrauma
                 if (!objectives.TryGetValue(target, out AIObjective objective))
                 {
                     objective = ObjectiveConstructor(target);
-                    objective.Completed += () => ReportedTargets.Remove(target);
                     objectives.Add(target, objective);
                     AddSubObjective(objective);
                 }
@@ -169,9 +126,7 @@ namespace Barotrauma
         /// List of all possible items of the specified type. Used for filtering the removed objectives.
         /// </summary>
         protected abstract IEnumerable<T> GetList();
-
-        protected abstract float TargetEvaluation();
-
+        protected abstract float Average(T target);
         protected abstract AIObjective ObjectiveConstructor(T target);
         protected abstract bool Filter(T target);
     }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveManager.cs

@@ -9,29 +9,27 @@ namespace Barotrauma
     class AIObjectiveManager
     {
         // TODO: expose
-        public const float OrderPriority = 70;
-        public const float RunPriority = 50;
+        public const float OrderPriority = 50.0f;
         // Constantly increases the priority of the selected objective, unless overridden
         public const float baseDevotion = 2;
 
-        public List<AIObjective> Objectives { get; private set; } = new List<AIObjective>();
+        public List<AIObjective> Objectives { get; private set; }
 
         private Character character;
 
         /// <summary>
-        /// When set above zero, the character will stand still doing nothing until the timer runs out. Does not affect orders.
+        /// When set above zero, the character will stand still doing nothing until the timer runs out. Only affects idling.
         /// </summary>
         public float WaitTimer;
 
         public AIObjective CurrentOrder { get; private set; }
         public AIObjective CurrentObjective { get; private set; }
 
-        public bool IsCurrentObjective<T>() where T : AIObjective => CurrentObjective is T;
-
         public AIObjectiveManager(Character character)
         {
             this.character = character;
-            CreateAutonomousObjectives();
+
+            Objectives = new List<AIObjective>();
         }
 
         public void AddObjective(AIObjective objective)
@@ -48,30 +46,6 @@ namespace Barotrauma
         }
 
         public Dictionary<AIObjective, CoroutineHandle> DelayedObjectives { get; private set; } = new Dictionary<AIObjective, CoroutineHandle>();
-
-        public void CreateAutonomousObjectives()
-        {
-            Objectives.Clear();
-            AddObjective(new AIObjectiveFindSafety(character, this), delay: Rand.Value() / 2);
-            AddObjective(new AIObjectiveIdle(character, this), delay: Rand.Value() / 2);
-            int objectiveCount = Objectives.Count;
-            foreach (var automaticOrder in character.Info.Job.Prefab.AutomaticOrders)
-            {
-                var orderPrefab = Order.PrefabList.Find(o => o.AITag == automaticOrder.aiTag);
-                if (orderPrefab == null) { throw new Exception("Could not find a matching prefab by ai tag: " + automaticOrder.aiTag); }
-                // TODO: Similar code is used in CrewManager:815-> DRY
-                var matchingItems = orderPrefab.ItemIdentifiers.Any() ?
-                    Item.ItemList.FindAll(it => orderPrefab.ItemIdentifiers.Contains(it.Prefab.Identifier) || it.HasTag(orderPrefab.ItemIdentifiers)) :
-                    Item.ItemList.FindAll(it => it.Components.Any(ic => ic.GetType() == orderPrefab.ItemComponentType));
-                matchingItems.RemoveAll(it => it.Submarine != character.Submarine);
-                var item = matchingItems.GetRandom();
-                var order = new Order(orderPrefab, item ?? character.CurrentHull as Entity, item?.Components.FirstOrDefault(ic => ic.GetType() == orderPrefab.ItemComponentType));
-                AddObjective(CreateObjective(order, automaticOrder.option, character, automaticOrder.priorityModifier), delay: Rand.Value() / 2);
-                objectiveCount++;
-            }
-            WaitTimer = Math.Max(WaitTimer, Rand.Range(0.5f, 1f) * objectiveCount);
-        }
-
         public void AddObjective(AIObjective objective, float delay, Action callback = null)
         {
             if (DelayedObjectives.TryGetValue(objective, out CoroutineHandle coroutine))
@@ -101,7 +75,7 @@ namespace Barotrauma
         {
             var previousObjective = CurrentObjective;
             var firstObjective = Objectives.FirstOrDefault();
-            if (CurrentOrder != null && firstObjective != null && CurrentOrder.GetPriority() > firstObjective.GetPriority())
+            if (CurrentOrder != null && firstObjective != null && CurrentOrder.GetPriority(this) > firstObjective.GetPriority(this))
             {
                 CurrentObjective = CurrentOrder;
             }
@@ -112,24 +86,18 @@ namespace Barotrauma
             if (previousObjective != CurrentObjective)
             {
                 CurrentObjective?.OnSelected();
-                GetObjective<AIObjectiveIdle>()?.SetRandom();
             }
             return CurrentObjective;
         }
 
         public float GetCurrentPriority()
         {
-            return CurrentObjective == null ? 0.0f : CurrentObjective.GetPriority();
+            return CurrentObjective == null ? 0.0f : CurrentObjective.GetPriority(this);
         }
 
         public void UpdateObjectives(float deltaTime)
         {
-            CurrentOrder?.Update(deltaTime);
-            if (WaitTimer > 0)
-            {
-                WaitTimer -= deltaTime;
-                return;
-            }
+            CurrentOrder?.Update(this, deltaTime);
             for (int i = 0; i < Objectives.Count; i++)
             {
                 var objective = Objectives[i];
@@ -147,9 +115,9 @@ namespace Barotrauma
 #endif
                     Objectives.Remove(objective);
                 }
-                else if (objective != CurrentOrder)
+                else
                 {
-                    objective.Update(deltaTime);
+                    objective.Update(this, deltaTime);
                 }
             }
             GetCurrentObjective();
@@ -159,41 +127,15 @@ namespace Barotrauma
         {
             if (Objectives.Any())
             {
-                Objectives.Sort((x, y) => y.GetPriority().CompareTo(x.GetPriority()));
+                Objectives.Sort((x, y) => y.GetPriority(this).CompareTo(x.GetPriority(this)));
             }
-            CurrentObjective?.SortSubObjectives();
+            CurrentObjective?.SortSubObjectives(this);
         }
         
         public void DoCurrentObjective(float deltaTime)
         {
-            if (WaitTimer <= 0)
-            {
-                CurrentObjective?.TryComplete(deltaTime);
-            }
-            else
-            {
-                if (CurrentOrder != null)
-                {
-                    CurrentOrder.TryComplete(deltaTime);
-                }
-                else
-                {
-                    if (character.AIController is HumanAIController humanAI && humanAI.SteeringManager != null)
-                    {
-                        if (!character.AnimController.InWater &&
-                            !character.IsClimbing &&
-                            !humanAI.UnsafeHulls.Contains(character.CurrentHull) && 
-                            !AIObjectiveIdle.IsForbidden(character.CurrentHull))
-                        {
-                            humanAI.SteeringManager.Reset();
-                        }
-                        else
-                        {
-                            CurrentObjective?.TryComplete(deltaTime);
-                        }
-                    }
-                }
-            }
+            if (WaitTimer > 0.0f) { WaitTimer -= deltaTime; }
+            CurrentObjective?.TryComplete(deltaTime);
         }
         
         public void SetOrder(AIObjective objective)
@@ -203,22 +145,13 @@ namespace Barotrauma
 
         public void SetOrder(Order order, string option, Character orderGiver)
         {
-            CurrentOrder = CreateObjective(order, option, orderGiver);
-            if (CurrentOrder == null)
-            {
-                // Recreate objectives, because some of them may be removed, if impossible to complete (e.g. due to path finding)
-                CreateAutonomousObjectives();
-            }
-        }
+            CurrentOrder = null;
+            if (order == null) return;
 
-        public AIObjective CreateObjective(Order order, string option, Character orderGiver, float priorityModifier = 1)
-        {
-            if (order == null) { return null; }
-            AIObjective newObjective;
             switch (order.AITag.ToLowerInvariant())
             {
                 case "follow":
-                    newObjective = new AIObjectiveGoTo(orderGiver, character, this, repeat: true, priorityModifier: priorityModifier)
+                    CurrentOrder = new AIObjectiveGoTo(orderGiver, character, true)
                     {
                         CloseEnough = 1.5f,
                         AllowGoingOutside = true,
@@ -227,41 +160,38 @@ namespace Barotrauma
                     };
                     break;
                 case "wait":
-                    newObjective = new AIObjectiveGoTo(character, character, this, repeat: true, priorityModifier: priorityModifier)
+                    CurrentOrder = new AIObjectiveGoTo(character, character, true)
                     {
                         AllowGoingOutside = true
                     };
                     break;
                 case "fixleaks":
-                    newObjective = new AIObjectiveFixLeaks(character, this, priorityModifier);
+                    CurrentOrder = new AIObjectiveFixLeaks(character);
                     break;
                 case "chargebatteries":
-                    newObjective = new AIObjectiveChargeBatteries(character, this, option, priorityModifier);
+                    CurrentOrder = new AIObjectiveChargeBatteries(character, option);
                     break;
                 case "rescue":
-                    newObjective = new AIObjectiveRescueAll(character, this, priorityModifier);
+                    CurrentOrder = new AIObjectiveRescueAll(character);
                     break;
                 case "repairsystems":
-                    newObjective = new AIObjectiveRepairItems(character, this, priorityModifier) { RequireAdequateSkills = option != "all" };
+                    CurrentOrder = new AIObjectiveRepairItems(character) { RequireAdequateSkills = option != "all" };
                     break;
                 case "pumpwater":
-                    newObjective = new AIObjectivePumpWater(character, this, option, priorityModifier: priorityModifier);
+                    CurrentOrder = new AIObjectivePumpWater(character, option);
                     break;
                 case "extinguishfires":
-                    newObjective = new AIObjectiveExtinguishFires(character, this, priorityModifier);
-                    break;
-                case "fightintruders":
-                    newObjective = new AIObjectiveFightIntruders(character, this, priorityModifier);
+                    CurrentOrder = new AIObjectiveExtinguishFires(character);
                     break;
                 case "steer":
                     var steering = (order?.TargetEntity as Item)?.GetComponent<Steering>();
                     if (steering != null) steering.PosToMaintain = steering.Item.Submarine?.WorldPosition;
-                    if (order.TargetItemComponent == null) { return null; }
-                    newObjective = new AIObjectiveOperateItem(order.TargetItemComponent, character, this, option, requireEquip: false, useController: order.UseController, priorityModifier: priorityModifier) { IsLoop = true };
+                    if (order.TargetItemComponent == null) return;
+                    CurrentOrder = new AIObjectiveOperateItem(order.TargetItemComponent, character, option, false, null, order.UseController);
                     break;
                 default:
-                    if (order.TargetItemComponent == null) { return null; }
-                    newObjective = new AIObjectiveOperateItem(order.TargetItemComponent, character, this, option, requireEquip: false, useController: order.UseController, priorityModifier: priorityModifier) { IsLoop = true };
+                    if (order.TargetItemComponent == null) return;
+                    CurrentOrder = new AIObjectiveOperateItem(order.TargetItemComponent, character, option, false, null, order.UseController);
                     break;
             }
             return newObjective;

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveOperateItem.cs

@@ -10,6 +10,8 @@ namespace Barotrauma
     {
         public override string DebugTag => "operate item";
 
+        private ItemComponent component, controller;
+
         private ItemComponent component, controller;
         private Entity operateTarget;
         private bool isCompleted;
@@ -18,25 +20,35 @@ namespace Barotrauma
         private AIObjectiveGoTo goToObjective;
         private AIObjectiveGetItem getItemObjective;
 
-        public override bool CanBeCompleted => base.CanBeCompleted && (!useController || controller != null);
+        private bool useController;
+
+        private AIObjectiveGoTo gotoObjective;
+
+        public override bool CanBeCompleted
+        {
+            get
+            {
+                if (gotoObjective != null && !gotoObjective.CanBeCompleted) return false;
+
+                if (useController && controller == null) return false;
+
+                return canBeCompleted;
+            }
+        }
 
         public Entity OperateTarget => operateTarget;
         public ItemComponent Component => component;
 
-        public override float GetPriority()
+        public ItemComponent Component => component;
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
-            if (component.Item.ConditionPercentage <= 0) { return 0; }
+            if (gotoObjective != null && !gotoObjective.CanBeCompleted) { return 0; }
             if (objectiveManager.CurrentOrder == this)
             {
                 return AIObjectiveManager.OrderPriority;
             }
-            if (component.Item.CurrentHull == null) { return 0; }
-            if (component.Item.CurrentHull.FireSources.Count > 0) { return 0; }
-            if (Character.CharacterList.Any(c => c.CurrentHull == component.Item.CurrentHull && !HumanAIController.IsFriendly(c))) { return 0; }
-            float devotion = MathHelper.Min(10, Priority);
-            float value = devotion + AIObjectiveManager.OrderPriority * PriorityModifier;
-            float max = MathHelper.Min((AIObjectiveManager.OrderPriority - 1), 90);
-            return MathHelper.Clamp(value, 0, max);
+            return base.GetPriority(objectiveManager);
         }
 
         public AIObjectiveOperateItem(ItemComponent item, Character character, AIObjectiveManager objectiveManager, string option, bool requireEquip, Entity operateTarget = null, bool useController = false, float priorityModifier = 1) 
@@ -46,83 +58,58 @@ namespace Barotrauma
             this.requireEquip = requireEquip;
             this.operateTarget = operateTarget;
             this.useController = useController;
+
             if (useController)
             {
-                //try finding the controller with the simpler non-recursive method first
-                controller =
-                        component.Item.GetConnectedComponents<Controller>().FirstOrDefault() ??
-                        component.Item.GetConnectedComponents<Controller>(recursive: true).FirstOrDefault();
+                var controllers = component.Item.GetConnectedComponents<Controller>();
+                if (controllers.Any()) controller = controllers[0];
             }
+
+            canBeCompleted = true;
         }
 
         protected override void Act(float deltaTime)
         {
             ItemComponent target = useController ? controller : component;
+
             if (useController && controller == null)
             {
                 character.Speak(TextManager.Get("DialogCantFindController").Replace("[item]", component.Item.Name), null, 2.0f, "cantfindcontroller", 30.0f);
-                abandon = true;
                 return;
             }
+            
+
             if (target.CanBeSelected)
             {
                 bool inSameRoom = character.CurrentHull == target.Item.CurrentHull;
                 bool withinReach = target.Item.IsInsideTrigger(character.WorldPosition) || Vector2.DistanceSquared(character.Position, target.Item.Position) < MathUtils.Pow(target.Item.InteractDistance, 2);
                 if (inSameRoom && withinReach)
                 {
-                    if (character.SelectedConstruction != target.Item)
+                    if (character.CurrentHull == target.Item.CurrentHull)
                     {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
-                    }
-                    if (component.AIOperate(deltaTime, character, this))
-                    {
-                        isCompleted = true;
+                        if (character.SelectedConstruction != target.Item && target.CanBeSelected)
+                        {
+                            target.Item.TryInteract(character, false, true);
+                        }
+                        if (component.AIOperate(deltaTime, character, this))
+                        {
+                            isCompleted = true;
+                        }
+                        return;
                     }
                 }
-                else
-                {
-                    TryAddSubObjective(ref goToObjective, () => new AIObjectiveGoTo(target.Item, character, objectiveManager));
-                }
+
+                AddSubObjective(gotoObjective = new AIObjectiveGoTo(target.Item, character));
             }
             else
             {
                 if (component.Item.GetComponent<Pickable>() == null)
+                {
+                    //controller/target can't be selected and the item cannot be picked -> objective can't be completed
+                    canBeCompleted = false;
+                    return;
+                }
+                else if (!character.Inventory.Items.Contains(component.Item))
                 {
                     //controller/target can't be selected and the item cannot be picked -> objective can't be completed
                     abandon = true;
@@ -145,9 +132,11 @@ namespace Barotrauma
 #endif
                             return;
                         }
+
                         for (int i = 0; i < character.Inventory.Capacity; i++)
                         {
-                            if (character.Inventory.SlotTypes[i] == InvSlotType.Any || !holdable.AllowedSlots.Any(s => s.HasFlag(character.Inventory.SlotTypes[i])))
+                            if (character.Inventory.SlotTypes[i] == InvSlotType.Any ||
+                                !holdable.AllowedSlots.Any(s => s.HasFlag(character.Inventory.SlotTypes[i])))
                             {
                                 continue;
                             }
@@ -181,8 +170,10 @@ namespace Barotrauma
 
         public override bool IsDuplicate(AIObjective otherObjective)
         {
-            if (!(otherObjective is AIObjectiveOperateItem operateItem)) { return false; }
-            return (operateItem.component == component || otherObjective.Option == Option);
+            AIObjectiveOperateItem operateItem = otherObjective as AIObjectiveOperateItem;
+            if (operateItem == null) return false;
+
+            return (operateItem.component == component ||otherObjective.Option == Option);
         }
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectivePumpWater.cs

@@ -1,74 +1,68 @@
 using Barotrauma.Items.Components;
-using System;
 using System.Collections.Generic;
 using System.Linq;
-using Microsoft.Xna.Framework;
-using Barotrauma.Extensions;
 
 namespace Barotrauma
 {
     class AIObjectivePumpWater : AIObjectiveLoop<Pump>
     {
         public override string DebugTag => "pump water";
-        private IEnumerable<Pump> pumpList;
+        public override bool KeepDivingGearOn => true;
+        private readonly IEnumerable<Pump> pumpList;
 
-        public AIObjectivePumpWater(Character character, AIObjectiveManager objectiveManager, string option, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier, option) { }
+        public AIObjectivePumpWater(Character character, string option) : base(character, option)
+        {
+            pumpList = character.Submarine.GetItems(true).Select(i => i.GetComponent<Pump>()).Where(p => p != null);
+        }
+
+        public override float GetPriority(AIObjectiveManager objectiveManager)
+        {
+            if (character.Submarine == null) { return 0; }
+            if (objectiveManager.CurrentOrder == this && targets.Count > 0)
+            {
+                return AIObjectiveManager.OrderPriority;
+            }
+            return 0.0f;
+        }
 
         public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectivePumpWater && otherObjective.Option == Option;
 
+        //availablePumps = allPumps.Where(p => !p.Item.HasTag("ballast") && p.Item.Connections.None(c => c.IsPower && p.Item.GetConnectedComponentsRecursive<Steering>(c).None())).ToList();
         protected override void FindTargets()
         {
-            if (Option == null) { return; }
-            base.FindTargets();
-            if (targets.None() && objectiveManager.CurrentOrder == this)
+            if (option == null) { return; }
+            foreach (Item item in Item.ItemList)
             {
-                character.Speak(TextManager.Get("DialogNoPumps"), null, 3.0f, "nopumps", 30.0f);
+                if (item.HasTag("ballast")) { continue; }
+                if (item.Submarine == null) { continue; }
+                if (item.Submarine.TeamID != character.TeamID) { continue; }
+                if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(item, true)) { continue; }
+                var pump = item.GetComponent<Pump>();
+                if (pump != null)
+                {
+                    if (!ignoreList.Contains(pump))
+                    {
+                        if (option == "stoppumping")
+                        {
+                            if (!pump.IsActive || pump.FlowPercentage == 0.0f) { continue; }
+                        }
+                        else
+                        {
+                            if (!pump.Item.InWater) { continue; }
+                            if (pump.IsActive && pump.FlowPercentage <= -90.0f) { continue; }
+                        }
+                        if (!targets.Contains(pump))
+                        {
+                            targets.Add(pump);
+                        }
+                    }
+                }
             }
         }
 
-        protected override bool Filter(Pump pump)
-        {
-            if (pump == null) { return false; }
-            if (pump.Item.HasTag("ballast")) { return false; }
-            if (pump.Item.Submarine == null) { return false; }
-            if (pump.Item.CurrentHull == null) { return false; }
-            if (pump.Item.Submarine.TeamID != character.TeamID) { return false; }
-            if (pump.Item.ConditionPercentage <= 0) { return false; }
-            if (pump.Item.CurrentHull.FireSources.Count > 0) { return false; }
-            if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(pump.Item, true)) { return false; }
-            if (Character.CharacterList.Any(c => c.CurrentHull == pump.Item.CurrentHull && !HumanAIController.IsFriendly(c))) { return false; }
-            if (Option == "stoppumping")
-            {
-                if (!pump.IsActive || MathUtils.NearlyEqual(pump.FlowPercentage, 0)) { return false; }
-            }
-            else
-            {
-                if (!pump.Item.InWater) { return false; }
-                if (pump.IsActive && pump.FlowPercentage <= -99.9f) { return false; }
-            }
-            return true;
-        }
-        protected override IEnumerable<Pump> GetList()
-        {
-            if (pumpList == null)
-            {
-                pumpList = character.Submarine.GetItems(true).Select(i => i.GetComponent<Pump>()).Where(p => p != null);
-            }
-            return pumpList;
-        }
-
-        protected override AIObjective ObjectiveConstructor(Pump pump) => new AIObjectiveOperateItem(pump, character, objectiveManager, Option, false) { IsLoop = false };
-        protected override float TargetEvaluation()
-        {
-            if (Option == "stoppumping")
-            {
-                return targets.Max(t => MathHelper.Lerp(0, 100, Math.Abs(t.FlowPercentage / 100)));
-            }
-            else
-            {
-                return targets.Max(t => MathHelper.Lerp(100, 0, Math.Abs(-t.FlowPercentage / 100)));
-            }
-        }
+        protected override bool Filter(Pump pump) => true;
+        protected override IEnumerable<Pump> GetList() => pumpList;
+        protected override AIObjective ObjectiveConstructor(Pump pump) => new AIObjectiveOperateItem(pump, character, Option, false);
+        protected override float Average(Pump target) => 0;
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveRepairItem.cs

@@ -11,33 +11,37 @@ namespace Barotrauma
     {
         public override string DebugTag => "repair item";
 
+        public override bool KeepDivingGearOn => true;
+
         public Item Item { get; private set; }
 
         private AIObjectiveGoTo goToObjective;
-        private float previousCondition = -1;
-        private RepairTool repairTool;
 
-        public AIObjectiveRepairItem(Character character, Item item, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base(character, objectiveManager, priorityModifier)
+        private float previousCondition = -1;
+
+        public AIObjectiveRepairItem(Character character, Item item) : base(character, "")
         {
             Item = item;
         }
 
-        public override float GetPriority()
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
             // TODO: priority list?
+            if (Item.Repairables.None()) { return 0; }
             // Ignore items that are being repaired by someone else.
             if (Item.Repairables.Any(r => r.CurrentFixer != null && r.CurrentFixer != character)) { return 0; }
             // Vertical distance matters more than horizontal (climbing up/down is harder than moving horizontally)
             float dist = Math.Abs(character.WorldPosition.X - Item.WorldPosition.X) + Math.Abs(character.WorldPosition.Y - Item.WorldPosition.Y) * 2.0f;
             float distanceFactor = MathHelper.Lerp(1, 0.5f, MathUtils.InverseLerp(0, 10000, dist));
-            float damagePriority = MathHelper.Lerp(1, 0, Item.Condition / Item.MaxCondition);
+            float damagePriority = MathHelper.Lerp(1, 0, (Item.Condition + 10) / Item.MaxCondition);
             float successFactor = MathHelper.Lerp(0, 1, Item.Repairables.Average(r => r.DegreeOfSuccess(character)));
             float isSelected = character.SelectedConstruction == Item ? 50 : 0;
-            float devotion = (Math.Min(Priority, 10) + isSelected) / 100;
-            float max = MathHelper.Min(AIObjectiveManager.OrderPriority - 1, 90);
-            return MathHelper.Lerp(0, max, MathHelper.Clamp(devotion + damagePriority * distanceFactor * successFactor * PriorityModifier, 0, 1));
+            float baseLevel = Math.Max(Priority + isSelected, 1);
+            return MathHelper.Clamp(baseLevel * damagePriority * distanceFactor * successFactor, 0, 100);
         }
 
+        public override bool CanBeCompleted => !abandon;
+
         public override bool IsCompleted()
         {
             bool isCompleted = Item.IsFullCondition;
@@ -55,6 +59,15 @@ namespace Barotrauma
 
         protected override void Act(float deltaTime)
         {
+            if (goToObjective != null && !subObjectives.Contains(goToObjective))
+            {
+                if (!goToObjective.IsCompleted() && !goToObjective.CanBeCompleted)
+                {
+                    abandon = true;
+                    character?.Speak(TextManager.Get("DialogCannotRepair").Replace("[itemname]", Item.Name), null, 0.0f, "cannotrepair", 10.0f);
+                }
+                goToObjective = null;
+            }
             foreach (Repairable repairable in Item.Repairables)
             {
                 if (!repairable.HasRequiredItems(character, false))
@@ -64,14 +77,12 @@ namespace Barotrauma
                     {
                         foreach (RelatedItem requiredItem in kvp.Value)
                         {
-                            AddSubObjective(new AIObjectiveGetItem(character, requiredItem.Identifiers, objectiveManager, true));
+                            AddSubObjective(new AIObjectiveGetItem(character, requiredItem.Identifiers, true));
                         }
                     }
                     return;
                 }
             }
-            // Only continue when the get item sub objectives have been completed.
-            if (subObjectives.Any(so => so is AIObjectiveGetItem)) { return; }
             if (repairTool == null)
             {
                 FindRepairTool();
@@ -103,31 +114,31 @@ namespace Barotrauma
                         {
                             // If the current condition is less than the previous condition, we can't complete the task, so let's abandon it. The item is probably deteriorating at a greater speed than we can repair it.
                             abandon = true;
-                            character?.Speak(TextManager.Get("DialogCannotRepair").Replace("[itemname]", Item.Name), null, 0.0f, "cannotrepair", 10.0f);
+                            character?.Speak(TextManager.Get("DialogRepairFailed").Replace("[itemname]", Item.Name), null, 0.0f, "repairfailed", 10.0f);
                         }
                     }
                     repairable.CurrentFixer = abandon && repairable.CurrentFixer == character ? null : character;
                     break;
                 }
             }
-            else
+            else if (goToObjective == null || goToObjective.Target != Item)
             {
-                // If cannot reach the item, approach it.
-                TryAddSubObjective(ref goToObjective,
-                    constructor: () =>
-                    {
-                        previousCondition = -1;
-                        var objective = new AIObjectiveGoTo(Item, character, objectiveManager);
-                        if (repairTool != null)
-                        {
-                            objective.CloseEnough = ConvertUnits.ToSimUnits(repairTool.Range) * 0.75f;
-                        }
-                        return objective;
-                    },
-                    onAbandon: () => character.Speak(TextManager.Get("DialogCannotRepair").Replace("[itemname]", Item.Name), null, 0.0f, "cannotrepair", 10.0f));
+                previousCondition = -1;
+                if (goToObjective != null)
+                {
+                    subObjectives.Remove(goToObjective);
+                }
+                goToObjective = new AIObjectiveGoTo(Item, character);
+                if (repairTool != null)
+                {
+                    //goToObjective.CloseEnough = (HumanAIController.AnimController.ArmLength + ConvertUnits.ToSimUnits(repairTool.Range)) * 0.75f;
+                    goToObjective.CloseEnough = ConvertUnits.ToSimUnits(repairTool.Range);
+                }
+                AddSubObjective(goToObjective);
             }
         }
 
+        private RepairTool repairTool;
         private void FindRepairTool()
         {
             foreach (Repairable repairable in Item.Repairables)

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveRepairItems.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.Linq;
 using Barotrauma.Items.Components;
 using Barotrauma.Extensions;
 
@@ -8,25 +7,18 @@ namespace Barotrauma
     class AIObjectiveRepairItems : AIObjectiveLoop<Item>
     {
         public override string DebugTag => "repair items";
+        public override bool KeepDivingGearOn => true;
 
         /// <summary>
         /// Should the character only attempt to fix items they have the skills to fix, or any damaged item
         /// </summary>
         public bool RequireAdequateSkills;
 
-        public AIObjectiveRepairItems(Character character, AIObjectiveManager objectiveManager, float priorityModifier = 1) : base(character, objectiveManager, priorityModifier) { }
+        public AIObjectiveRepairItems(Character character) : base(character, "") { }
 
+        // TODO: This can allow two active repair items objectives, if RequireAdequateSkills is not at the same value. We don't want that.
         public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveRepairItems repairItems && repairItems.RequireAdequateSkills == RequireAdequateSkills;
 
-        protected override void FindTargets()
-        {
-            base.FindTargets();
-            if (targets.None() && objectiveManager.CurrentOrder == this)
-            {
-                character.Speak(TextManager.Get("DialogNoRepairTargets"), null, 3.0f, "norepairtargets", 30.0f);
-            }
-        }
-
         protected override void CreateObjectives()
         {
             foreach (var item in targets)
@@ -46,35 +38,37 @@ namespace Barotrauma
 
         protected override bool Filter(Item item)
         {
-            if (!IsValidTarget(item, character)) { return false; }
-            if (item.CurrentHull.FireSources.Count > 0) { return false; }
-            // Don't repair items in rooms that have enemies inside.
-            if (Character.CharacterList.Any(c => c.CurrentHull == item.CurrentHull && !HumanAIController.IsFriendly(c))) { return false; }
-            if (!objectives.ContainsKey(item))
+            bool ignore = ignoreList.Contains(item) || item.IsFullCondition;
+            if (!ignore)
             {
-                if (item.Repairables.All(r => item.Condition > r.ShowRepairUIThreshold)) { return false; }
+                if (item.Submarine == null) { ignore = true; }
+                else if (item.Submarine.TeamID != character.TeamID) { ignore = true; }
+                else if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(item, true)) { ignore = true; }
+                else
+                {
+                    if (item.Repairables.None()) { ignore = true; }
+                    else
+                    {
+                        foreach (Repairable repairable in item.Repairables)
+                        {
+                            if (!objectives.ContainsKey(item) && item.Condition > repairable.ShowRepairUIThreshold)
+                            {
+                                ignore = true;
+                            }
+                            else if (RequireAdequateSkills && !repairable.HasRequiredSkills(character))
+                            {
+                                ignore = true;
+                            }
+                            if (ignore) { break; }
+                        }
+                    }
+                }
             }
-            if (RequireAdequateSkills)
-            {
-                if (item.Repairables.Any(r => !r.HasRequiredSkills(character))) { return false; }
-            }
-            return true;
+            return ignore;
         }
 
-        protected override float TargetEvaluation() => targets.Max(t => 100 - t.ConditionPercentage);
+        protected override float Average(Item item) => 100 - item.ConditionPercentage;
         protected override IEnumerable<Item> GetList() => Item.ItemList;
-        protected override AIObjective ObjectiveConstructor(Item item) => new AIObjectiveRepairItem(character, item, objectiveManager, PriorityModifier);
-
-        public static bool IsValidTarget(Item item, Character character)
-        {
-            if (item == null) { return false; }
-            if (item.IsFullCondition) { return false; }
-            if (item.CurrentHull == null) { return false; }
-            if (item.Submarine == null) { return false; }
-            if (item.Submarine.TeamID != character.TeamID) { return false; }
-            if (item.Repairables.None()) { return false; }
-            if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(item, true)) { return false; }
-            return true;
-        }
+        protected override AIObjective ObjectiveConstructor(Item item) => new AIObjectiveRepairItem(character, item);
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveRescue.cs

@@ -11,6 +11,7 @@ namespace Barotrauma
     {
         public override string DebugTag => "rescue";
         public override bool ForceRun => true;
+        public override bool KeepDivingGearOn => true;
 
         const float TreatmentDelay = 0.5f;
 
@@ -20,9 +21,26 @@ namespace Barotrauma
 
         private float treatmentTimer;
 
-        public AIObjectiveRescue(Character character, Character targetCharacter, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier)
+        public override bool CanBeCompleted
         {
+            get
+            {
+                if (targetCharacter.Removed || 
+                    targetCharacter.IsDead || 
+                    targetCharacter.Vitality / targetCharacter.MaxVitality > AIObjectiveRescueAll.VitalityThreshold)
+                {
+                    return false;
+                }
+                if (goToObjective != null && !goToObjective.CanBeCompleted) { return false; }
+
+                return true;
+            }
+        }
+
+        public AIObjectiveRescue(Character character, Character targetCharacter)
+            : base(character, "")
+        {
+            Debug.Assert(character != targetCharacter);
             this.targetCharacter = targetCharacter;
         }
 
@@ -78,28 +96,68 @@ namespace Barotrauma
 
             if (subObjectives.Any()) { return; }
 
+        protected override void Act(float deltaTime)
+        {
+            //target in water -> move to a dry place first
+            if (targetCharacter.AnimController.InWater)
+            {
+                if (character.SelectedCharacter != targetCharacter)
+                {
+                    if (!character.CanInteractWith(targetCharacter))
+                    {
+                        AddSubObjective(goToObjective = new AIObjectiveGoTo(targetCharacter, character));
+                    }
+                    else
+                    {
+                        character.SelectCharacter(targetCharacter);
+                    }
+                }
+                else
+                {
+                    AddSubObjective(new AIObjectiveFindSafety(character));
+                }
+                return;
+            }
+
+            //target not in water -> we can start applying treatment
             if (!character.CanInteractWith(targetCharacter))
             {
-                // Go to the target and select it
-                TryAddSubObjective(ref goToObjective, () => new AIObjectiveGoTo(targetCharacter, character, objectiveManager));
+                AddSubObjective(goToObjective = new AIObjectiveGoTo(targetCharacter, character));
             }
             else
             {
-                // We can start applying treatment
-                if (character.SelectedCharacter != targetCharacter)
+                if (character.SelectedCharacter == null)
                 {
-                    character.Speak(TextManager.Get("DialogFoundWoundedTarget")
+                    character?.Speak(TextManager.Get("DialogFoundUnconsciousTarget")
                         .Replace("[targetname]", targetCharacter.Name).Replace("[roomname]", character.CurrentHull.DisplayName),
                         null, 1.0f,
-                        "foundwoundedtarget" + targetCharacter.Name, 60.0f);
-
-                    character.SelectCharacter(targetCharacter);
+                        "foundunconscioustarget" + targetCharacter.Name, 60.0f);
                 }
+
+                character.SelectCharacter(targetCharacter);
                 GiveTreatment(deltaTime);
             }
         }
 
-        // TODO: consider optimizing a bit
+        protected override bool ShouldInterruptSubObjective(AIObjective subObjective)
+        {
+            if (subObjective is AIObjectiveFindSafety)
+            {
+                if (character.SelectedCharacter != targetCharacter) return true;
+                if (character.AnimController.InWater || targetCharacter.AnimController.InWater) return false;
+
+                foreach (Limb limb in targetCharacter.AnimController.Limbs)
+                {
+                    if (!Submarine.RectContains(targetCharacter.CurrentHull.WorldRect, limb.WorldPosition)) return false;
+                }
+
+                return !character.AnimController.InWater && !targetCharacter.AnimController.InWater &&
+                    HumanAIController.GetHullSafety(character.CurrentHull, character) > HumanAIController.HULL_SAFETY_THRESHOLD;
+            }
+
+            return false;
+        }
+
         private void GiveTreatment(float deltaTime)
         {
             if (treatmentTimer > 0.0f)
@@ -116,6 +174,7 @@ namespace Barotrauma
             {
                 return Math.Sign(a2.GetVitalityDecrease(targetCharacter.CharacterHealth) - a1.GetVitalityDecrease(targetCharacter.CharacterHealth));
             });
+
             //check if we already have a suitable treatment for any of the afflictions
             foreach (Affliction affliction in allAfflictions)
             {
@@ -130,6 +189,7 @@ namespace Barotrauma
                     }
                 }
             }
+
             //didn't have any suitable treatments available, try to find some medical items
             HashSet<string> suitableItemIdentifiers = new HashSet<string>();
             foreach (Affliction affliction in allAfflictions)
@@ -152,8 +212,9 @@ namespace Barotrauma
                         itemNameList.Add(itemPrefab.Name);
                     }
                     //only list the first 4 items
-                    if (itemNameList.Count >= 4) { break; }
+                    if (itemNameList.Count >= 4) break;
                 }
+
                 if (itemNameList.Count > 0)
                 {
                     string itemListStr = "";
@@ -165,34 +226,35 @@ namespace Barotrauma
                     {
                         itemListStr = string.Join(" or ", string.Join(", ", itemNameList.Take(itemNameList.Count - 1)), itemNameList.Last());
                     }
-                    character.Speak(TextManager.Get("DialogListRequiredTreatments")
+                    character?.Speak(TextManager.Get("DialogListRequiredTreatments")
                         .Replace("[targetname]", targetCharacter.Name)
                         .Replace("[treatmentlist]", itemListStr),
                         null, 2.0f, "listrequiredtreatments" + targetCharacter.Name, 60.0f);
                 }
+
                 character.DeselectCharacter();
-                AddSubObjective(new AIObjectiveGetItem(character, suitableItemIdentifiers.ToArray(), objectiveManager, equip: true));
+                AddSubObjective(new AIObjectiveGetItem(character, suitableItemIdentifiers.ToArray(), true));
             }
+
             character.AnimController.Anim = AnimController.Animation.CPR;
         }
 
         private void ApplyTreatment(Affliction affliction, Item item)
         {
             var targetLimb = targetCharacter.CharacterHealth.GetAfflictionLimb(affliction);
+
             bool remove = false;
             foreach (ItemComponent ic in item.Components)
             {
-                if (!ic.HasRequiredContainedItems(addMessage: false)) { continue; }
+                if (!ic.HasRequiredContainedItems(addMessage: false)) continue;
 #if CLIENT
                 ic.PlaySound(ActionType.OnUse, character.WorldPosition, character);
 #endif
                 ic.WasUsed = true;
                 ic.ApplyStatusEffects(ActionType.OnUse, 1.0f, targetCharacter, targetLimb);
-                if (ic.DeleteOnUse)
-                {
-                    remove = true;
-                }
+                if (ic.DeleteOnUse) remove = true;
             }
+
             if (remove)
             {
                 Entity.Spawner?.AddToRemoveQueue(item);
@@ -201,35 +263,28 @@ namespace Barotrauma
 
         public override bool IsCompleted()
         {
-            bool isCompleted = targetCharacter.Vitality / targetCharacter.MaxVitality > AIObjectiveRescueAll.VitalityThreshold;
+            bool isCompleted = 
+                targetCharacter.Vitality / targetCharacter.MaxVitality > AIObjectiveRescueAll.VitalityThreshold;
+
             if (isCompleted)
             {
-                character.Speak(TextManager.Get("DialogTargetHealed").Replace("[targetname]", targetCharacter.Name),
+                character?.Speak(TextManager.Get("DialogTargetHealed").Replace("[targetname]", targetCharacter.Name),
                     null, 1.0f, "targethealed" + targetCharacter.Name, 60.0f);
             }
-            return isCompleted || targetCharacter.Removed || targetCharacter.IsDead;
+
+            return isCompleted || targetCharacter.IsDead;
         }
 
-        public override float GetPriority()
+        public override float GetPriority(AIObjectiveManager objectiveManager)
         {
-            if (targetCharacter == null) { return 0; }
-            if (targetCharacter.CurrentHull == null || targetCharacter.Removed || targetCharacter.IsDead)
-            {
-                abandon = true;
-                return 0;
-            }
-            // Don't go into rooms that have enemies
-            if (Character.CharacterList.Any(c => c.CurrentHull == targetCharacter.CurrentHull && !HumanAIController.IsFriendly(c)))
-            {
-                abandon = true;
-                return 0;
-            }
-            // Vertical distance matters more than horizontal (climbing up/down is harder than moving horizontally)
-            float dist = Math.Abs(character.WorldPosition.X - targetCharacter.WorldPosition.X) + Math.Abs(character.WorldPosition.Y - targetCharacter.WorldPosition.Y) * 2.0f;
-            float distanceFactor = MathHelper.Lerp(1, 0.5f, MathUtils.InverseLerp(0, 10000, dist));
-            float vitalityFactor = AIObjectiveRescueAll.GetVitalityFactor(targetCharacter);
-            float devotion = Math.Min(Priority, 10) / 100;
-            return MathHelper.Lerp(0, 100, MathHelper.Clamp(devotion + vitalityFactor * distanceFactor, 0, 1));
+            if (targetCharacter.AnimController.CurrentHull == null || targetCharacter.IsDead) { return 0.0f; }
+
+            Vector2 diff = targetCharacter.WorldPosition - character.WorldPosition;
+            float distance = Math.Abs(diff.X) + Math.Abs(diff.Y);
+
+            float vitalityFactor = (targetCharacter.MaxVitality - targetCharacter.Vitality) / targetCharacter.MaxVitality;
+
+            return 1000.0f * vitalityFactor / distance;
         }
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveRescueAll.cs

@@ -4,18 +4,21 @@ using Barotrauma.Extensions;
 
 namespace Barotrauma
 {
-    class AIObjectiveRescueAll : AIObjectiveLoop<Character>
+    class AIObjectiveRescueAll : AIObjective
     {
         public override string DebugTag => "rescue all";
-        public override bool ForceRun => true;
 
-        //only treat characters whose vitality is below this (0.9 = 90% of max vitality)
-        public const float VitalityThreshold = 0.9f;
+        public override bool KeepDivingGearOn => true;
+
+        //only treat characters whose vitality is below this (0.8 = 80% of max vitality)
+        public const float VitalityThreshold = 0.8f;
+
+        private List<Character> rescueTargets;
         
-        public AIObjectiveRescueAll(Character character, AIObjectiveManager objectiveManager, float priorityModifier = 1) 
-            : base(character, objectiveManager, priorityModifier) { }
-
-        public override bool IsDuplicate(AIObjective otherObjective) => otherObjective is AIObjectiveRescueAll;
+        public AIObjectiveRescueAll(Character character) : base (character, "")
+        {
+            rescueTargets = new List<Character>();
+        }
 
         protected override void FindTargets()
         {
@@ -26,13 +29,31 @@ namespace Barotrauma
             }
         }
 
-        protected override bool Filter(Character target) => IsValidTarget(target, character);
+        public override float GetPriority(AIObjectiveManager objectiveManager)
+        {
+            if (character.Submarine == null) { return 0; }
+            GetRescueTargets();
+            if (!rescueTargets.Any()) { return 0.0f; }
+            
+            if (objectiveManager.CurrentOrder == this)
+            {
+                return AIObjectiveManager.OrderPriority;
+            }
 
-        protected override IEnumerable<Character> GetList() => Character.CharacterList;
+            //if there are targets to rescue, the priority is slightly less 
+            //than the priority of explicit orders given to the character
+            return AIObjectiveManager.OrderPriority - 5.0f;
+        }
 
-        protected override AIObjective ObjectiveConstructor(Character target) => new AIObjectiveRescue(character, target, objectiveManager, PriorityModifier);
-
-        protected override float TargetEvaluation() => targets.Max(t => GetVitalityFactor(t)) * 100;
+        private void GetRescueTargets()
+        {
+            rescueTargets = Character.CharacterList.FindAll(c => 
+                c.AIController is HumanAIController &&
+                c.TeamID == character.TeamID &&
+                c != character &&
+                !c.IsDead &&
+                c.Vitality / c.MaxVitality < VitalityThreshold);
+        }
 
         public static float GetVitalityFactor(Character character) => (character.MaxVitality - character.Vitality) / character.MaxVitality;
 
@@ -48,5 +69,8 @@ namespace Barotrauma
             if (character.Submarine != null && !character.Submarine.IsEntityFoundOnThisSub(target.CurrentHull, true)) { return false; }
             return true;
         }
+
+        public override bool IsCompleted() => false;
+        public override bool CanBeCompleted => true;
     }
 }

Barotrauma/BarotraumaShared/Source/Characters/AI/Order.cs

@@ -64,7 +64,8 @@ namespace Barotrauma
         private Order(XElement orderElement)
         {
             AITag = orderElement.GetAttributeString("aitag", "");
-            Name = TextManager.Get("OrderName." + AITag, true) ?? "Name not found";
+            Name = TextManager.Get("OrderName." + AITag, true) ?? orderElement.GetAttributeString("name", "Name not found");
+            DoingText = TextManager.Get("OrderNameDoing." + AITag, true) ?? orderElement.GetAttributeString("doingtext", "");
 
             string targetItemType = orderElement.GetAttributeString("targetitemtype", "");
             if (!string.IsNullOrWhiteSpace(targetItemType))
@@ -126,6 +127,7 @@ namespace Barotrauma
 
             Name                = prefab.Name;
             AITag               = prefab.AITag;
+            DoingText           = prefab.DoingText;
             ItemComponentType   = prefab.ItemComponentType;
             Options             = prefab.Options;
             SymbolSprite        = prefab.SymbolSprite;
@@ -140,10 +142,8 @@ namespace Barotrauma
             {
                 if (UseController)
                 {
-                    //try finding the controller with the simpler non-recursive method first
-                    ConnectedController = 
-                        targetItem.Item.GetConnectedComponents<Controller>().FirstOrDefault() ?? 
-                        targetItem.Item.GetConnectedComponents<Controller>(recursive: true).FirstOrDefault();
+                    var controllers = targetItem.Item.GetConnectedComponents<Controller>();
+                    if (controllers.Count > 0) ConnectedController = controllers[0];
                 }
                 TargetEntity = targetItem.Item;
                 TargetItemComponent = targetItem;

Barotrauma/BarotraumaShared/Source/Characters/AI/PathFinder.cs

@@ -233,7 +233,7 @@ namespace Barotrauma
                         //}
 
                         var body = Submarine.PickBody(end, node.Waypoint.SimPosition, null,
-                            Physics.CollisionWall | Physics.CollisionLevel | Physics.CollisionStairs );
+                            Physics.CollisionWall | Physics.CollisionLevel | Physics.CollisionStairs | Physics.CollisionPlatform);
 
                         if (body != null)
                         {

Barotrauma/BarotraumaShared/Source/Characters/Jobs/JobPrefab.cs

@@ -24,10 +24,7 @@ namespace Barotrauma
     {
         public static List<JobPrefab> List;
 
-        public readonly XElement Items;
-        public readonly List<string> ItemNames = new List<string>();
-        public readonly List<SkillPrefab> Skills = new List<SkillPrefab>();
-        public readonly List<AutonomousObjective> AutomaticOrders = new List<AutonomousObjective>();
+        public List<SkillPrefab> Skills;
         
         [Serialize("1,1,1,1", false)]
         public Color UIColor
@@ -121,6 +118,14 @@ namespace Barotrauma
 
         public XElement ClothingElement { get; private set; }
 
+        public JobPrefab(XElement element)
+        {
+            SerializableProperty.DeserializeProperties(this, element);
+            Name = TextManager.Get("JobName." + Identifier);
+            Description = TextManager.Get("JobDescription." + Identifier);
+
+        public XElement ClothingElement { get; private set; }
+
         public JobPrefab(XElement element)
         {
             SerializableProperty.DeserializeProperties(this, element);

Barotrauma/BarotraumaShared/Source/GameSession/GameModes/CampaignMode.cs

@@ -173,8 +173,8 @@ namespace Barotrauma
             var spawnedCharacter = Character.Create(characterInfo, watchmanSpawnpoint.WorldPosition,
                 Level.Loaded.Seed + (outpost == Level.Loaded.StartOutpost ? "start" : "end"));
             InitializeWatchman(spawnedCharacter);
-            var objectiveManager = (spawnedCharacter.AIController as HumanAIController)?.ObjectiveManager;
-            objectiveManager?.SetOrder(new AIObjectiveGoTo(watchmanSpawnpoint, spawnedCharacter, objectiveManager, repeat: true, getDivingGearIfNeeded: false));
+            (spawnedCharacter.AIController as HumanAIController)?.ObjectiveManager.SetOrder(
+                new AIObjectiveGoTo(watchmanSpawnpoint, spawnedCharacter, repeat: true, getDivingGearIfNeeded: false));
             if (watchmanJob != null)
             {
                 spawnedCharacter.GiveJobItems();

Barotrauma/BarotraumaShared/Source/Items/Components/Door.cs

@@ -26,8 +26,6 @@ namespace Barotrauma.Items.Components
         private bool autoOrientGap;
 
         private bool isStuck;
-        public bool IsStuck => isStuck;
-
         private float resetPredictionTimer;
 
         private Rectangle doorRect;
@@ -229,7 +227,8 @@ namespace Barotrauma.Items.Components
             {
                 msg = msg ?? (HasIntegratedButtons ? accessDeniedTxt : cannotOpenText);
             }
-            return isBroken || base.HasRequiredItems(character, addMessage, msg);
+            if (isBroken) { return true; }
+            return base.HasRequiredItems(character, addMessage, msg);
         }
 
         public override bool Pick(Character picker)

Barotrauma/BarotraumaShared/Source/Items/Components/Holdable/RepairTool.cs

@@ -281,7 +281,7 @@ namespace Barotrauma.Items.Components
             float dist = fromItemToLeak.Length();
 
             //too far away -> consider this done and hope the AI is smart enough to move closer
-            if (dist > Range * 3.0f) { return true; }
+            if (dist > Range * 5.0f) return true;
 
             // TODO: use the collider size?
             if (!character.AnimController.InWater && character.AnimController is HumanoidAnimController &&
@@ -344,19 +344,7 @@ namespace Barotrauma.Items.Components
             character.CursorPosition = leak.Position + VectorExtensions.Forward(Item.body.TransformedRotation + (float)Math.Sin(sinTime), dist);
             if (item.RequireAimToUse)
             {
-                bool isOperatingButtons = false;
-                if (character.AIController.SteeringManager is IndoorsSteeringManager indoorSteering)
-                {
-                    var door = indoorSteering.CurrentPath?.CurrentNode?.ConnectedDoor;
-                    if (door != null && !door.IsOpen)
-                    {
-                        isOperatingButtons = door.HasIntegratedButtons || door.Item.GetConnectedComponents<Controller>(true).Any();
-                    }
-                }
-                if (!isOperatingButtons)
-                {
-                    character.SetInput(InputType.Aim, false, true);
-                }
+                character.SetInput(InputType.Aim, false, true);
             }
             // Press the trigger only when the tool is approximately facing the target.
             var angle = VectorExtensions.Angle(VectorExtensions.Forward(item.body.TransformedRotation), fromItemToLeak);
@@ -412,8 +400,7 @@ namespace Barotrauma.Items.Components
                             object value = property.GetValue(target);
                             if (value.GetType() == typeof(float))
                             {
-                                var progressBar = user.UpdateHUDProgressBar(door, door.Item.WorldPosition, (float)value / 100, Color.DarkGray * 0.5f, Color.White);
-                                if (progressBar != null) { progressBar.Size = new Vector2(60.0f, 20.0f); }
+                                user.UpdateHUDProgressBar(door, door.Item.WorldPosition, (float)value / 100, Color.DarkGray * 0.5f, Color.White);
                             }
                         }
                     }

Barotrauma/BarotraumaShared/Source/Items/Components/Machines/Deconstructor.cs

@@ -943,6 +943,25 @@ namespace Barotrauma.Items.Components
                     }
                 }
                 
+                if (targetItem.Prefab.DeconstructItems.Any())
+                {
+                    inputContainer.Inventory.RemoveItem(targetItem);
+                    Entity.Spawner.AddToRemoveQueue(targetItem);
+                    MoveInputQueue();
+                    PutItemsToLinkedContainer();
+                }
+                else
+                {
+                    if (outputContainer.Inventory.Items.All(i => i != null))
+                    {
+                        targetItem.Drop(dropper: null);
+                    }
+                    else
+                    {
+                        outputContainer.Inventory.TryPutItem(targetItem, user: null, createNetworkEvent: true);
+                    }
+                }
+                
                 if (targetItem.Prefab.DeconstructItems.Any())
                 {
                     inputContainer.Inventory.RemoveItem(targetItem);

Barotrauma/BarotraumaShared/Source/Items/Components/Machines/Reactor.cs

@@ -499,7 +499,7 @@ namespace Barotrauma.Items.Components
                 //load more fuel if the current maximum output is only 50% of the current load
                 if (NeedMoreFuel(minimumOutputRatio: 0.5f))
                 {
-                    var containFuelObjective = new AIObjectiveContainItem(character, new string[] { "fuelrod", "reactorfuel" }, item.GetComponent<ItemContainer>(), objective.objectiveManager)
+                    var containFuelObjective = new AIObjectiveContainItem(character, new string[] { "fuelrod", "reactorfuel" }, item.GetComponent<ItemContainer>())
                     {
                         MinContainedAmount = item.ContainedItems.Count(i => i != null && i.Prefab.Identifier == "fuelrod" || i.HasTag("reactorfuel")) + 1,
                         GetItemPriority = (Item fuelItem) =>

Barotrauma/BarotraumaShared/Source/Items/Components/Machines/Steering.cs

@@ -212,33 +212,6 @@ namespace Barotrauma.Items.Components
             }
         }
 
-        public Vector2? PosToMaintain
-        {
-            get { return posToMaintain; }
-            set { posToMaintain = value; }
-        }
-
-        struct ObstacleDebugInfo
-        {
-            public Vector2 Point1;
-            public Vector2 Point2;
-
-            public Vector2? Intersection;
-
-            public float Dot;
-
-            public Vector2 AvoidStrength;
-
-            public ObstacleDebugInfo(GraphEdge edge, Vector2? intersection, float dot, Vector2 avoidStrength)
-            {
-                Point1 = edge.Point1;
-                Point2 = edge.Point2;
-                Intersection = intersection;
-                Dot = dot;
-                AvoidStrength = avoidStrength;
-            }
-        }
-
         //edge point 1, edge point 2, avoid strength
         private List<ObstacleDebugInfo> debugDrawObstacles = new List<ObstacleDebugInfo>();
 

Barotrauma/BarotraumaShared/Source/Items/Components/Power/PowerContainer.cs

@@ -235,12 +235,12 @@ namespace Barotrauma.Items.Components
 
             if (string.IsNullOrEmpty(objective.Option) || objective.Option.ToLowerInvariant() == "charge")
             {
-                if (Math.Abs(rechargeSpeed - maxRechargeSpeed * aiRechargeTargetRatio) > 0.05f)
+                if (Math.Abs(rechargeSpeed - maxRechargeSpeed * 0.5f) > 0.05f)
                 {
 #if SERVER
                     item.CreateServerEvent(this);
 #endif
-                    RechargeSpeed = maxRechargeSpeed * aiRechargeTargetRatio;
+                    RechargeSpeed = maxRechargeSpeed * 0.5f;
 #if CLIENT
                     rechargeSpeedSlider.BarScroll = RechargeSpeed / Math.Max(maxRechargeSpeed, 1.0f);
 #endif

Barotrauma/BarotraumaShared/Source/Items/Components/Turret.cs

@@ -415,7 +415,7 @@ namespace Barotrauma.Items.Components
 
                 if (batteryToLoad.RechargeSpeed < batteryToLoad.MaxRechargeSpeed * 0.4f)
                 {
-                    objective.AddSubObjective(new AIObjectiveOperateItem(batteryToLoad, character, objective.objectiveManager, option: "", requireEquip: false));                    
+                    objective.AddSubObjective(new AIObjectiveOperateItem(batteryToLoad, character, "", false));                    
                     return false;
                 }
             }
@@ -454,11 +454,11 @@ namespace Barotrauma.Items.Components
 
                 if (container.Inventory.Items[0] != null && container.Inventory.Items[0].Condition <= 0.0f)
                 {
-                    var removeShellObjective = new AIObjectiveDecontainItem(character, container.Inventory.Items[0], container, objective.objectiveManager);
+                    var removeShellObjective = new AIObjectiveDecontainItem(character, container.Inventory.Items[0], container);
                     objective.AddSubObjective(removeShellObjective);
                 }
 
-                var containShellObjective = new AIObjectiveContainItem(character, container.ContainableItems[0].Identifiers[0], container, objective.objectiveManager);
+                var containShellObjective = new AIObjectiveContainItem(character, container.ContainableItems[0].Identifiers[0], container);
                 character?.Speak(TextManager.Get("DialogLoadTurret").Replace("[itemname]", item.Name), null, 0.0f, "loadturret", 30.0f);
                 containShellObjective.MinContainedAmount = usableProjectileCount + 1;
                 containShellObjective.ignoredContainerIdentifiers = new string[] { containerItem.prefab.Identifier };

Barotrauma/BarotraumaShared/Source/Items/Item.cs

@@ -1712,6 +1712,10 @@ namespace Barotrauma
             {
                 ApplyStatusEffects(!waterProof && inWater ? ActionType.InWater : ActionType.NotInWater, deltaTime);
             }
+            if (!broken)
+            {
+                ApplyStatusEffects(!waterProof && inWater ? ActionType.InWater : ActionType.NotInWater, deltaTime);
+            }
             ApplyStatusEffects(!waterProof && inWater ? ActionType.InWater : ActionType.NotInWater, deltaTime);
 
             if (body == null || !body.Enabled || !inWater || ParentInventory != null || Removed) { return; }
@@ -1848,9 +1852,6 @@ namespace Barotrauma
             }
         }
 
-        /// <summary>
-        /// Note: This function generates garbage and might be a bit too heavy to be used once per frame.
-        /// </summary>
         public List<T> GetConnectedComponents<T>(bool recursive = false) where T : ItemComponent
         {
             List<T> connectedComponents = new List<T>();
@@ -1859,6 +1860,7 @@ namespace Barotrauma
             {
                 HashSet<Connection> alreadySearched = new HashSet<Connection>();
                 GetConnectedComponentsRecursive(alreadySearched, connectedComponents);
+
                 return connectedComponents;
             }
 
@@ -1887,13 +1889,27 @@ namespace Barotrauma
             {
                 if (alreadySearched.Contains(c)) { continue; }
                 alreadySearched.Add(c);
-                GetConnectedComponentsRecursive(c, alreadySearched, connectedComponents);
+
+                var recipients = c.Recipients;
+                foreach (Connection recipient in recipients)
+                {
+                    if (alreadySearched.Contains(recipient)) { continue; }
+                    var component = recipient.Item.GetComponent<T>();                    
+                    if (component != null)
+                    {
+                        var receiverConnections = wifiReceiver.Item.Connections;
+                        if (receiverConnections == null) { continue; }
+                        foreach (Connection wifiOutput in receiverConnections)
+                        {
+                            if ((wifiOutput.IsOutput == recipient.IsOutput) || alreadySearched.Contains(wifiOutput)) { continue; }
+                            GetConnectedComponentsRecursive(wifiOutput, alreadySearched, connectedComponents);
+                        }
+                    }
+                    recipient.Item.GetConnectedComponentsRecursive<T>(alreadySearched, connectedComponents);                   
+                }
             }
         }
 
-        /// <summary>
-        /// Note: This function generates garbage and might be a bit too heavy to be used once per frame.
-        /// </summary>
         public List<T> GetConnectedComponentsRecursive<T>(Connection c) where T : ItemComponent
         {
             List<T> connectedComponents = new List<T>();
@@ -1923,28 +1939,13 @@ namespace Barotrauma
             foreach (Connection recipient in recipients)
             {
                 if (alreadySearched.Contains(recipient)) { continue; }
+
                 var component = recipient.Item.GetComponent<T>();                    
                 if (component != null)
                 {
                     connectedComponents.Add(component);
                 }
 
-                //connected to a wifi component -> see which other wifi components it can communicate with
-                var wifiComponent = recipient.Item.GetComponent<WifiComponent>();
-                if (wifiComponent != null && wifiComponent.CanTransmit())
-                {
-                    foreach (var wifiReceiver in wifiComponent.GetReceiversInRange())
-                    {
-                        var receiverConnections = wifiReceiver.Item.Connections;
-                        if (receiverConnections == null) { continue; }
-                        foreach (Connection wifiOutput in receiverConnections)
-                        {
-                            if ((wifiOutput.IsOutput == recipient.IsOutput) || alreadySearched.Contains(wifiOutput)) { continue; }
-                            GetConnectedComponentsRecursive(wifiOutput, alreadySearched, connectedComponents);
-                        }
-                    }
-                }
-
                 recipient.Item.GetConnectedComponentsRecursive(recipient, alreadySearched, connectedComponents);                   
             }
 
@@ -2247,6 +2248,29 @@ namespace Barotrauma
             if (remove) { Spawner?.AddToRemoveQueue(this); }
         }
 
+        List<ColoredText> texts = new List<ColoredText>();
+        public List<ColoredText> GetHUDTexts(Character character)
+        {
+            texts.Clear();
+            foreach (ItemComponent ic in components)
+            {
+                if (string.IsNullOrEmpty(ic.DisplayMsg)) continue;
+                if (!ic.CanBePicked && !ic.CanBeSelected) continue;
+                if (ic is Holdable holdable && !holdable.CanBeDeattached()) continue;
+
+                Color color = Color.Gray;
+                bool hasRequiredSkillsAndItems = ic.HasRequiredSkills(character) && ic.HasRequiredItems(character, false);
+                if (hasRequiredSkillsAndItems)
+                {
+                    color = Color.Cyan;
+                }
+
+                texts.Add(new ColoredText(ic.DisplayMsg, color, false));
+            }
+
+            if (remove) { Spawner?.AddToRemoveQueue(this); }
+        }
+
         public bool Combine(Item item)
         {
             bool isCombined = false;

Barotrauma/BarotraumaShared/Source/Map/Hull.cs

@@ -569,6 +569,25 @@ namespace Barotrauma
             }
         }
 
+        public string DisplayName
+        {
+            get;
+            private set;
+        }
+
+        private string roomName;
+        [Editable, Serialize("", true, translationTextTag: "RoomName.")]
+        public string RoomName
+        {
+            get { return roomName; }
+            set
+            {
+                if (roomName == value) { return; }
+                roomName = value;
+                DisplayName = TextManager.Get(roomName, returnNull: true) ?? roomName;
+            }
+        }
+
         public override Rectangle Rect
         {
             get