Lighting optimization (caching shadow vertices & only checking hulls in range if the position or range of the light changes), ragdoll optimization, itemcomponent optimization, dragging stunned/dead characters

Subsurface/Source/Items/Components/Signal/LightComponent.cs

@@ -79,23 +79,22 @@ namespace Subsurface.Items.Components
 
             //lightColor = new Color(ToolBox.GetAttributeVector4(element, "color", Vector4.One));
         }
-
+        
         public override void Update(float deltaTime, Camera cam)
         {
             base.Update(deltaTime, cam);
-
-            if (item.body != null)
-            {
-                light.Position = ConvertUnits.ToDisplayUnits(item.body.SimPosition);
-            }
-
-            Pickable pickable = item.GetComponent<Pickable>();
-            if (item.container!= null)
+            
+            if (item.container != null)
             {
                 light.Color = Color.Transparent;
                 return;
             }
 
+            if (item.body != null)
+            {
+                light.Position = ConvertUnits.ToDisplayUnits(item.body.SimPosition);
+            }
+            
             if (powerConsumption == 0.0f)
             {
                 voltage = 1.0f;
@@ -116,7 +115,6 @@ namespace Subsurface.Items.Components
             }
 
             light.Color = lightColor * lightBrightness * (1.0f-Rand.Range(0.0f,Flicker));
-
             light.Range = range * (float)Math.Sqrt(lightBrightness);
 
             voltage = 0.0f;

Subsurface/Source/Items/Components/Signal/Wire.cs

@@ -35,6 +35,8 @@ namespace Subsurface.Items.Components
             Nodes = new List<Vector2>();
 
             connections = new Connection[2];
+
+            IsActive = false;
         }
         
         public override void Move(Vector2 amount)