Light rendering optimization

Subsurface/Source/Map/Lights/LightManager.cs

@@ -60,6 +60,10 @@ namespace Barotrauma.Lights
 
         public void DrawLOS(GraphicsDevice graphics, SpriteBatch spriteBatch, Camera cam, Vector2 pos)
         {
+
+            Stopwatch sw = new Stopwatch();
+            sw.Start();
+
             if (!LosEnabled) return;
 
             Rectangle camView = new Rectangle(cam.WorldView.X, cam.WorldView.Y - cam.WorldView.Height, cam.WorldView.Width, cam.WorldView.Height);
@@ -75,6 +79,9 @@ namespace Barotrauma.Lights
                 convexHull.DrawShadows(graphics, cam, pos, shadowTransform);
             }
 
+            sw.Stop();
+
+            Debug.WriteLine("drawlos: " + sw.ElapsedTicks + " (" + sw.ElapsedMilliseconds + ")");
             if (!ObstructVision) return;
 
             spriteBatch.Begin(SpriteSortMode.Deferred, CustomBlendStates.Multiplicative);
@@ -82,6 +89,7 @@ namespace Barotrauma.Lights
             spriteBatch.End();
 
             ObstructVision = false;
+
         }
 
         public void OnMapLoaded()
@@ -94,6 +102,10 @@ namespace Barotrauma.Lights
 
         public void UpdateLightMap(GraphicsDevice graphics, SpriteBatch spriteBatch, Camera cam)
         {
+
+            Stopwatch sw = new Stopwatch();
+            sw.Start();
+
             if (!LightingEnabled) return;
 
             Matrix shadowTransform = cam.ShaderTransform
@@ -152,6 +164,10 @@ namespace Barotrauma.Lights
             graphics.SetRenderTarget(null);
 
 
+            Debug.WriteLine("lights: " + sw.ElapsedTicks + " (" + sw.ElapsedMilliseconds + ")");
+            if (!ObstructVision) return;
+
+
         }
 
         public void UpdateObstructVision(GraphicsDevice graphics, SpriteBatch spriteBatch, Camera cam, Vector2 lookAtPosition)