Lighting bugfixes, setting camera position to character on shift start

Subsurface/Source/Map/Lights/ConvexHull.cs

@@ -148,6 +148,8 @@ namespace Barotrauma.Lights
             cachedShadows.Clear();
 
             vertices = points;
+
+            CalculateDimensions();
         }
 
         public bool Intersects(Rectangle rect)
@@ -307,6 +309,7 @@ namespace Barotrauma.Lights
                 else
                 {
                     cachedShadow = new CachedShadow(shadowVertices, penumbraVertices, light.Position, shadowVertexCount, 0);
+                    cachedShadows.Remove(light);
                     cachedShadows.Add(light, cachedShadow);
                 }
             }
@@ -350,7 +353,7 @@ namespace Barotrauma.Lights
                 else
                 {                    
                     shadowEffect.CurrentTechnique.Passes[0].Apply();
-                    graphicsDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, shadowVertexCount);
+                    graphicsDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, shadowVertexCount*2 - 2);
                 }               
             
             }

Subsurface/Source/Map/Lights/LightSource.cs

@@ -21,6 +21,9 @@ namespace Barotrauma.Lights
 
         public Entity Submarine;
 
+        //what was the range of the light when HullsInRange were last updated
+        private float prevHullUpdateRange;
+
         private Vector2 position;
         public Vector2 Position
         {
@@ -64,11 +67,11 @@ namespace Barotrauma.Lights
             set
             {
 
-                float prevRange = range;
                 range = MathHelper.Clamp(value, 0.0f, 2048.0f);
-                if (Math.Abs(prevRange - range)<5.0f) return;
+                if (Math.Abs(prevHullUpdateRange - range)>5.0f) return;
                 
                 UpdateHullsInRange();
+                prevHullUpdateRange = range;
             }
         }