Let players choose to grab onto the body's torso!

Better CPR animations
todo: network the limb targeting

Barotrauma/BarotraumaClient/Source/Characters/CharacterHUD.cs

@@ -13,6 +13,8 @@ namespace Barotrauma
         private static Sprite noiseOverlay, damageOverlay;
 
         private static GUIButton cprButton;
+        
+        private static GUIButton grabHoldButton;
 
         private static GUIButton suicideButton;
 
@@ -41,6 +43,8 @@ namespace Barotrauma
 
             if (cprButton != null && cprButton.Visible) cprButton.AddToGUIUpdateList();
 
+            if (grabHoldButton != null && cprButton.Visible) grabHoldButton.AddToGUIUpdateList();
+
             if (suicideButton != null && suicideButton.Visible) suicideButton.AddToGUIUpdateList();
             
             if (!character.IsUnconscious && character.Stun <= 0.0f)
@@ -89,6 +93,8 @@ namespace Barotrauma
 
             if (cprButton != null && cprButton.Visible) cprButton.Update(deltaTime);
 
+            if (grabHoldButton != null && grabHoldButton.Visible) grabHoldButton.Update(deltaTime);
+
             if (suicideButton != null && suicideButton.Visible) suicideButton.Update(deltaTime);
 
             if (damageOverlayTimer > 0.0f) damageOverlayTimer -= deltaTime;
@@ -195,9 +201,31 @@ namespace Barotrauma
                         };
                     }
 
+                    if (grabHoldButton == null)
+                    {
+                        grabHoldButton = new GUIButton(
+                            new Rectangle(character.SelectedCharacter.Inventory.SlotPositions[0].ToPoint() + new Point(320, -60), new Point(130, 20)),
+                                "Grabbing: " + (character.AnimController.GrabLimb == LimbType.Torso ? "Torso" : "Hands"), "");
+
+                        grabHoldButton.OnClicked = (button, userData) =>
+                        {
+                            if (Character.Controlled == null || Character.Controlled.SelectedCharacter == null) return false;
+
+                            character.AnimController.GrabLimb = character.AnimController.GrabLimb == LimbType.None ? LimbType.Torso : LimbType.None;
+
+                            if (GameMain.Client != null)
+                            {
+                                GameMain.Client.CreateEntityEvent(Character.Controlled, new object[] { NetEntityEvent.Type.Repair });
+                            }
+                            grabHoldButton.Text = "Grabbing: " + (character.AnimController.GrabLimb == LimbType.Torso ? "Torso" : "Hands");
+                            return true;
+                        };
+                    }
+
                     //cprButton.Visible = character.GetSkillLevel("Medical") > 20.0f;
 
                     if (cprButton.Visible) cprButton.Draw(spriteBatch);
+                    if (grabHoldButton.Visible) grabHoldButton.Draw(spriteBatch);
                 }
 
                 if (character.FocusedCharacter != null && character.FocusedCharacter.CanBeSelected)

Barotrauma/BarotraumaShared/Source/Characters/Animation/AnimController.cs

@@ -9,6 +9,8 @@ namespace Barotrauma
         public enum Animation { None, Climbing, UsingConstruction, Struggle, CPR };
         public Animation Anim;
 
+        public LimbType GrabLimb;
+
         protected Character character;
 
         protected float walkSpeed, swimSpeed;

Barotrauma/BarotraumaShared/Source/Characters/Animation/HumanoidAnimController.cs

@@ -20,6 +20,7 @@ namespace Barotrauma
         private float thighTorque;
 
         private float cprAnimState;
+        private float cprPump;
 
         private float inWaterTimer;
         private bool swimming;
@@ -882,8 +883,11 @@ namespace Barotrauma
             Crouching = true;
 
             Vector2 diff = character.SelectedCharacter.SimPosition - character.SimPosition;
-            var targetHead = character.SelectedCharacter.AnimController.GetLimb(LimbType.Head);
+            Limb targetHead = character.SelectedCharacter.AnimController.GetLimb(LimbType.Head);
-
+            Limb targetTorso = character.SelectedCharacter.AnimController.GetLimb(LimbType.Torso);
+            Limb head = GetLimb(LimbType.Head);
+            Limb torso = GetLimb(LimbType.Torso);
+            
             Vector2 headDiff = targetHead == null ? diff : targetHead.SimPosition - character.SimPosition;
 
             targetMovement = new Vector2(diff.X, 0.0f);
@@ -891,21 +895,41 @@ namespace Barotrauma
 
             UpdateStanding();
 
-            Vector2 handPos = character.SelectedCharacter.AnimController.GetLimb(LimbType.Torso).SimPosition + Vector2.UnitY * 0.2f;
+            Vector2 handPos = targetTorso.SimPosition + Vector2.UnitY * 0.2f;
 
             Grab(handPos, handPos);
 
-            float yPos = (float)Math.Sin(cprAnimState) * 0.1f;
+            Vector2 colliderPos = GetColliderBottom();
-            cprAnimState += deltaTime * 8.0f;
+            if (cprAnimState % 17 > 15.0f)
+            {
+                float yPos = (float)Math.Sin(cprAnimState) * 0.2f;
+                head.pullJoint.WorldAnchorB = new Vector2(targetHead.SimPosition.X, targetHead.SimPosition.Y + 0.3f + yPos);
+                head.pullJoint.Enabled = true;
+                torso.pullJoint.WorldAnchorB = new Vector2(torso.SimPosition.X, colliderPos.Y + (TorsoPosition - 0.2f));
+                torso.pullJoint.Enabled = true;
+            }
+            else
+            {
+                head.pullJoint.WorldAnchorB = new Vector2(targetHead.SimPosition.X, targetHead.SimPosition.Y + 0.8f);
+                head.pullJoint.Enabled = true;
+                torso.pullJoint.WorldAnchorB = new Vector2(torso.SimPosition.X, colliderPos.Y + (TorsoPosition - 0.1f));
+                torso.pullJoint.Enabled = true;
+                if (cprPump >= 1)
+                {
+                    torso.body.ApplyForce(new Vector2(0, -1000f));
+                    targetTorso.body.ApplyForce(new Vector2(0, -1000f));
+                    cprPump = 0;
+                }
+                cprPump += deltaTime;
+            }
 
-            var head = GetLimb(LimbType.Head);
+            cprAnimState += deltaTime;
-            head.pullJoint.WorldAnchorB = new Vector2(targetHead.SimPosition.X, targetHead.SimPosition.Y + 0.6f + yPos);
-            head.pullJoint.Enabled = true;
         }
         public override void DragCharacter(Character target)
         {
             if (target == null) return;
 
+            Limb torso = GetLimb(LimbType.Torso);
             Limb leftHand = GetLimb(LimbType.LeftHand);
             Limb rightHand = GetLimb(LimbType.RightHand);
 
@@ -918,31 +942,34 @@ namespace Barotrauma
 
             for (int i = 0; i < 2; i++)
             {
-                Limb targetLimb = target.AnimController.GetLimb(LimbType.Torso);
+                Limb targetLimb = target.AnimController.GetLimb(GrabLimb);
 
-                if (i == 0)
+                if (targetLimb == null || targetLimb.IsSevered)
                 {
-                    if (!targetLeftHand.IsSevered)
+                    targetLimb = target.AnimController.GetLimb(LimbType.Torso);
+                    if (i == 0)
                     {
-                        targetLimb = targetLeftHand;
+                        if (!targetLeftHand.IsSevered)
+                        {
+                            targetLimb = targetLeftHand;
+                        }
+                        else if (!targetRightHand.IsSevered)
+                        {
+                            targetLimb = targetRightHand;
+                        }
                     }
-                    else if (!targetRightHand.IsSevered)
+                    else
                     {
-                        targetLimb = targetRightHand;
+                        if (!targetRightHand.IsSevered)
+                        {
+                            targetLimb = targetRightHand;
+                        }
+                        else if (!targetLeftHand.IsSevered)
+                        {
+                            targetLimb = targetLeftHand;
+                        }
                     }
                 }
-                else
-                {
-                    if (!targetRightHand.IsSevered)
-                    {
-                        targetLimb = targetRightHand;
-                    }
-                    else if (!targetLeftHand.IsSevered)
-                    {
-                        targetLimb = targetLeftHand;
-                    }
-                }
-
                 Limb pullLimb = i == 0 ? leftHand : rightHand;
 
                 if (i == 1 && inWater)
@@ -954,12 +981,29 @@ namespace Barotrauma
                     Vector2 diff = ConvertUnits.ToSimUnits(targetLimb.WorldPosition - pullLimb.WorldPosition);
 
                     pullLimb.pullJoint.Enabled = true;
-                    pullLimb.pullJoint.WorldAnchorB = pullLimb.SimPosition + diff;
+                    if (targetLimb.type == LimbType.Torso)
-                    pullLimb.pullJoint.MaxForce = 10000.0f;
+                    {
+                        pullLimb.pullJoint.WorldAnchorB = targetLimb.SimPosition;
+                        pullLimb.pullJoint.MaxForce = 5000.0f;
+                        targetMovement *= 0.7f; //Carrying people like that takes a lot of effort.
+                    }                        
+                    else
+                    {
+                        pullLimb.pullJoint.WorldAnchorB = pullLimb.SimPosition + diff;
+                        pullLimb.pullJoint.MaxForce = 5000.0f;
+                    }
 
                     targetLimb.pullJoint.Enabled = true;
-                    targetLimb.pullJoint.WorldAnchorB = targetLimb.SimPosition - diff;
+                    if (targetLimb.type == LimbType.Torso)
-                    targetLimb.pullJoint.MaxForce = 10000.0f;
+                    {
+                        targetLimb.pullJoint.WorldAnchorB = torso.SimPosition + (Vector2.UnitX * Dir) * 0.6f;
+                        targetLimb.pullJoint.MaxForce = 300.0f;
+                    }
+                    else
+                    {
+                        targetLimb.pullJoint.WorldAnchorB = targetLimb.SimPosition - diff;                    
+                        targetLimb.pullJoint.MaxForce = 5000.0f;
+                    }
 
                     target.AnimController.movement = -diff;
                 }