Networking optimization/bugfixes (hull water volumes & wall damage are synced, more reliable inventory updates, AICharacter sync changes), proper particle collisions with walls

Farseer Physics Engine 3.5/Collision/TimeOfImpact.cs

@@ -223,6 +223,8 @@ namespace FarseerPhysics.Collision
 
         public static float Evaluate(int indexA, int indexB, float t)
         {
+            if (float.IsNaN(t)) return 0.0f;
+
             Transform xfA, xfB;
             _sweepA.GetTransform(out xfA, t);
             _sweepB.GetTransform(out xfB, t);