Attempt to fix characters occasionally getting launched out of the sub at lightspeed when the sub crashes into something (even if the impact doesn't appear to be that hard): impacts don't increase the velocity of the characters above 20 units/s.

Barotrauma/BarotraumaClient/Source/Map/Hull.cs

@@ -171,7 +171,8 @@ namespace Barotrauma
                 }
             }
 
-            for (int i = 0; i < waveY.Length; i++)
+            if (waterVolume < 1.0f) return;
+            for (int i = 1; i < waveY.Length - 1; i++)
             {
                 float maxDelta = Math.Max(Math.Abs(rightDelta[i]), Math.Abs(leftDelta[i]));
                 if (maxDelta > Rand.Range(1.0f, 10.0f))

Barotrauma/BarotraumaShared/Source/Map/SubmarineBody.cs

@@ -218,12 +218,12 @@ namespace Barotrauma
                     if (displace) sub.SubBody.DisplaceCharacters(moveAmount);
                 }
 
-                if (closestSub != null && subsToMove.Contains(closestSub))                     
+                if (closestSub != null && subsToMove.Contains(closestSub))
                 {
                     GameMain.GameScreen.Cam.Position += moveAmount;
-                    if (GameMain.GameScreen.Cam.TargetPos != Vector2.Zero) GameMain.GameScreen.Cam.TargetPos += moveAmount;    
-            
-                    if (Character.Controlled!=null) Character.Controlled.CursorPosition += moveAmount;
+                    if (GameMain.GameScreen.Cam.TargetPos != Vector2.Zero) GameMain.GameScreen.Cam.TargetPos += moveAmount;
+
+                    if (Character.Controlled != null) Character.Controlled.CursorPosition += moveAmount;
                 }
 
                 return;
@@ -649,23 +649,18 @@ namespace Barotrauma
                 GameMain.GameScreen.Cam.Shake = impact * 2.0f;
             }
 
-            Vector2 impulse = direction * impact * 0.5f;
-
-            float length = impulse.Length();
-            if (length > 5.0f) impulse = (impulse / length) * 5.0f;
-
+            Vector2 impulse = direction * impact * 0.5f;            
+            impulse = impulse.ClampLength(5.0f);            
             foreach (Character c in Character.CharacterList)
             {
                 if (c.Submarine != submarine) continue;
-
                 if (impact > 2.0f) c.SetStun((impact - 2.0f) * 0.1f);
-
+                
                 foreach (Limb limb in c.AnimController.Limbs)
                 {
-                    limb.body.ApplyLinearImpulse(limb.Mass * impulse);
+                    limb.body.ApplyLinearImpulse(limb.Mass * impulse, 20.0f);
                 }
-
-                c.AnimController.Collider.ApplyLinearImpulse(c.AnimController.Collider.Mass * impulse);
+                c.AnimController.Collider.ApplyLinearImpulse(c.AnimController.Collider.Mass * impulse, 20.0f);
             }
 
             foreach (Item item in Item.ItemList)
@@ -673,7 +668,7 @@ namespace Barotrauma
                 if (item.Submarine != submarine || item.CurrentHull == null || 
                     item.body == null || !item.body.Enabled) continue;
 
-                item.body.ApplyLinearImpulse(item.body.Mass * impulse);                
+                item.body.ApplyLinearImpulse(item.body.Mass * impulse, 20.0f);
             }
 
             var damagedStructures = Explosion.RangedStructureDamage(ConvertUnits.ToDisplayUnits(lastContactPoint), impact * 50.0f, impact * ImpactDamageMultiplier);

Barotrauma/BarotraumaShared/Source/Physics/PhysicsBody.cs

@@ -370,6 +370,27 @@ namespace Barotrauma
             body.ApplyLinearImpulse(impulse);
         }
 
+        /// <summary>
+        /// Apply an impulse to the body without increasing it's velocity above a specific limit.
+        /// </summary>
+        public void ApplyLinearImpulse(Vector2 impulse, float maxVelocity)
+        {
+
+            float currSpeed = body.LinearVelocity.Length();      
+            if (currSpeed > 100.0f)
+            {
+                int sdfgsdfg = 1;
+            }
+
+
+            Vector2 velocityAddition = impulse / Mass;
+
+            Vector2 newVelocity = body.LinearVelocity + velocityAddition;
+            newVelocity = newVelocity.ClampLength(Math.Max(currSpeed, maxVelocity));
+
+            body.ApplyLinearImpulse((newVelocity - body.LinearVelocity) * Mass);
+        }
+
         public void ApplyLinearImpulse(Vector2 impulse, Vector2 point)
         {
             body.ApplyLinearImpulse(impulse, point);

Barotrauma/BarotraumaShared/Source/Utils/MathUtils.cs

@@ -28,6 +28,16 @@ namespace Barotrauma
                  MathHelper.SmoothStep(v1.Y, v2.Y, amount));
         }
 
+        public static Vector2 ClampLength(this Vector2 v, float length)
+        {
+            float currLength = v.Length();
+            if (v.Length() > length)
+            {
+                return v / currLength * length;
+            }
+            return v;
+        }
+
         public static float Round(float value, float div)
         {
             return (value < 0.0f) ?