- projectiles don't stick to colliders

- fixed impacts weaker than the damage threshold giving characters health
- possible to slide down ladders
- improved IndoorsSteeringManager ladder climbing logic

Subsurface/Source/Characters/AI/IndoorsSteeringManager.cs

@@ -90,7 +90,9 @@ namespace Barotrauma
             
             var collider = character.AnimController.Collider;
             //if not in water and the waypoint is between the top and bottom of the collider, no need to move vertically
-            if (!character.AnimController.InWater && diff.Y < collider.height / 2 + collider.radius)
+            if (!character.AnimController.InWater && 
+                character.AnimController.Anim != AnimController.Animation.Climbing &&
+                diff.Y < collider.height / 2 + collider.radius)
             {
                 diff.Y = 0.0f;
             }
@@ -162,20 +164,31 @@ namespace Barotrauma
 
             if (character.AnimController.Anim == AnimController.Animation.Climbing)
             {
-                float x = currentPath.CurrentNode.SimPosition.X - pos.X;
+                Vector2 diff = currentPath.CurrentNode.SimPosition - pos;
-                float y = (currentPath.CurrentNode.SimPosition.Y) - pos.Y;
                 
-                if (Math.Abs(x) < Math.Abs(y) * 10.0f)                    
+                if (currentPath.CurrentNode.Ladders != null)
                 {
-                    x = 0.0f;                    
+                    //climbing ladders -> don't move horizontally
-                }
+                    diff.X = 0.0f;
-                else if (hull != null)
+
-                {
+                    //at the same height as the waypoint
-                    if (character.AnimController.GetColliderBottom().Y < hull.Rect.Y - hull.Rect.Height + 10.0f) x = 0.0f;
+                    if (currentPath.CurrentNode.SimPosition.Y > colliderBottom.Y &&
+                        currentPath.CurrentNode.SimPosition.Y < colliderBottom.Y + collider.height + collider.radius * 2)
+                    {
+                        float heightFromFloor = character.AnimController.GetColliderBottom().Y - character.AnimController.FloorY;
+
+                        //we can safely skip to the next waypoint if the character is at a safe height above the floor,
+                        //or if the next waypoint in the path is also on ladders
+                        if ((heightFromFloor > 0.0f && heightFromFloor < collider.height) || 
+                            (currentPath.NextNode != null && currentPath.NextNode.Ladders != null))
+                        {
+                            currentPath.SkipToNextNode();
+                        }
+                    }
                 }
 
                 character.AnimController.IgnorePlatforms = false;
-                return new Vector2(x,y);
+                return diff;
             }
 
             return currentPath.CurrentNode.SimPosition - pos;

Subsurface/Source/Characters/AI/PathFinder.cs

@@ -172,7 +172,7 @@ namespace Barotrauma
                             start, node.Waypoint.SimPosition, null, 
                             Physics.CollisionWall | Physics.CollisionLevel | Physics.CollisionStairs | Physics.CollisionPlatform);
 
-                        if (body != null && body.UserData is Structure) continue;
+                        if (body != null && body.UserData is Structure && !((Structure)body.UserData).IsPlatform) continue;
                     }
 
                     closestDist = dist;

Subsurface/Source/Characters/Animation/HumanoidAnimController.cs

@@ -691,6 +691,9 @@ namespace Barotrauma
             IgnorePlatforms = true;
 
             Vector2 tempTargetMovement = TargetMovement;
+
+            tempTargetMovement.Y = Math.Min(tempTargetMovement.Y, 1.0f);
+
             movement = MathUtils.SmoothStep(movement, tempTargetMovement, 0.3f);
 
             Limb leftFoot = GetLimb(LimbType.LeftFoot);
@@ -718,14 +721,14 @@ namespace Barotrauma
                 ladderSimPos += character.SelectedConstruction.Submarine.SimPosition - currentHull.Submarine.SimPosition;
             }
             
-
-
             MoveLimb(head, new Vector2(ladderSimPos.X - 0.27f * Dir, collider.SimPosition.Y + 0.7f), 10.5f);
             MoveLimb(torso, new Vector2(ladderSimPos.X - 0.27f * Dir, collider.SimPosition.Y+0.5f), 10.5f);
             MoveLimb(waist, new Vector2(ladderSimPos.X - 0.35f * Dir, collider.SimPosition.Y+0.4f), 10.5f);
 
             collider.MoveToPos(new Vector2(ladderSimPos.X - 0.2f * Dir, collider.SimPosition.Y), 10.5f);
 
+            bool slide = targetMovement.Y < -1.1f;
+
             Vector2 handPos = new Vector2(
                 ladderSimPos.X,
                 collider.SimPosition.Y + 0.6f + movement.Y * 0.1f - ladderSimPos.Y);
@@ -734,12 +737,12 @@ namespace Barotrauma
 
             MoveLimb(leftHand,
                 new Vector2(handPos.X,
-                MathUtils.Round(handPos.Y - stepHeight, stepHeight * 2.0f) + stepHeight + ladderSimPos.Y),
+                (slide ? handPos.Y : MathUtils.Round(handPos.Y - stepHeight, stepHeight * 2.0f) + stepHeight) + ladderSimPos.Y),
                 5.2f);
 
             MoveLimb(rightHand,
                 new Vector2(handPos.X,
-                MathUtils.Round(handPos.Y, stepHeight * 2.0f) + ladderSimPos.Y),
+                (slide ? handPos.Y : MathUtils.Round(handPos.Y, stepHeight * 2.0f)) + ladderSimPos.Y),
                 5.2f);
 
             leftHand.body.ApplyTorque(Dir * 2.0f);
@@ -753,12 +756,12 @@ namespace Barotrauma
 
             MoveLimb(leftFoot,
                 new Vector2(footPos.X,
-                MathUtils.Round(footPos.Y + stepHeight, stepHeight * 2.0f) - stepHeight + ladderSimPos.Y),
+                (slide ? footPos.Y : MathUtils.Round(footPos.Y + stepHeight, stepHeight * 2.0f) - stepHeight) + ladderSimPos.Y),
                 15.5f, true);
 
             MoveLimb(rightFoot,
                 new Vector2(footPos.X,
-                MathUtils.Round(footPos.Y, stepHeight * 2.0f) + ladderSimPos.Y),
+                (slide ? footPos.Y : MathUtils.Round(footPos.Y, stepHeight * 2.0f)) + ladderSimPos.Y),
                 15.5f, true);
 
             //apply torque to the legs to make the knees bend

Subsurface/Source/Characters/Animation/Ragdoll.cs

@@ -459,9 +459,12 @@ namespace Barotrauma
             {
                 if (!character.IsNetworkPlayer || GameMain.Server != null)
                 {
-                    character.AddDamage(CauseOfDeath.Damage, impact - 8.0f, null);
+                    if (impact > 8.0f)
-                    if (impact > 8.0f) SoundPlayer.PlayDamageSound(DamageSoundType.LimbBlunt, strongestImpact, collider);  
+                    {
-                    strongestImpact = Math.Max(strongestImpact, impact - 8.0f);
+                        character.AddDamage(CauseOfDeath.Damage, impact - 8.0f, null);
+                        SoundPlayer.PlayDamageSound(DamageSoundType.LimbBlunt, strongestImpact, collider);
+                        strongestImpact = Math.Max(strongestImpact, impact - 8.0f);
+                    }
                 }
 
                               

Subsurface/Source/Items/Components/Projectile.cs

@@ -49,19 +49,11 @@ namespace Barotrauma.Items.Components
         {
             IgnoredBodies = new List<Body>();
 
-            //launchImpulse = ToolBox.GetAttributeFloat(element, "launchimpulse", 10.0f);
-            //characterUsable = ToolBox.GetAttributeBool(element, "characterusable", false);
-
             foreach (XElement subElement in element.Elements())
             {
                 if (subElement.Name.ToString().ToLowerInvariant() != "attack") continue;
                 attack = new Attack(subElement);
             }
-
-            //bleedingDamage = ToolBox.GetAttributeFloat(element, "bleedingdamage", 0.0f);
-            //bluntDamage = ToolBox.GetAttributeFloat(element, "bluntdamage", 0.0f);
-
-            //doesStick = ToolBox.GetAttributeBool(element, "doesstick", false);
         }
 
         public override bool Use(float deltaTime, Character character = null)
@@ -150,6 +142,11 @@ namespace Barotrauma.Items.Components
         {
             if (IgnoredBodies.Contains(f2.Body)) return false;
 
+            if (f2.CollisionCategories == Physics.CollisionCharacter && !(f2.Body.UserData is Limb))
+            {
+                return false;
+            }
+
             AttackResult attackResult = new AttackResult(0.0f, 0.0f);
             if (attack != null)
             {

Subsurface/Source/Physics/Physics.cs

@@ -6,8 +6,6 @@ namespace Barotrauma
 {
     static class Physics
     {
-        private static double alpha;
-
         public const Category CollisionNone         = Category.None;
         public const Category CollisionAll          = Category.All;
         public const Category CollisionWall         = Category.Cat1;