Initial steps in making the light rendering use light volumes instead of shadow volumes to allow rendering the lights in one batch.

So far just disabled shadow rendering and cleaned up some unnecessary stuff
2017-02-25 21:24:38 +02:00
parent c9f09031de
commit 844097b132
3 changed files with 70 additions and 91 deletions
@@ -397,6 +397,59 @@ namespace Barotrauma.Lights
            }
        }

+        public static List<ConvexHull> GetHullsInRange(Vector2 position, float range, Submarine ParentSub)
+        {
+            List<ConvexHull> list = new List<ConvexHull>();
+
+            foreach (ConvexHullList chList in ConvexHull.HullLists)
+            {
+                Vector2 lightPos = position;
+                if (ParentSub == null)
+                {
+                    //light and the convexhull are both outside
+                    if (chList.Submarine == null)
+                    {
+                        list.AddRange(chList.List.FindAll(ch => MathUtils.CircleIntersectsRectangle(lightPos, range, ch.BoundingBox)));
+
+                    }
+                    //light is outside, convexhull inside a sub
+                    else
+                    {
+                        if (!MathUtils.CircleIntersectsRectangle(lightPos - chList.Submarine.WorldPosition, range, chList.Submarine.Borders)) continue;
+
+                        lightPos -= (chList.Submarine.WorldPosition - chList.Submarine.HiddenSubPosition);
+
+                        list.AddRange(chList.List.FindAll(ch => MathUtils.CircleIntersectsRectangle(lightPos, range, ch.BoundingBox)));
+                    }
+                }
+                else
+                {
+                    //light is inside, convexhull outside
+                    if (chList.Submarine == null) continue;
+
+                    //light and convexhull are both inside the same sub
+                    if (chList.Submarine == ParentSub)
+                    {
+                        list.AddRange(chList.List.FindAll(ch => MathUtils.CircleIntersectsRectangle(lightPos, range, ch.BoundingBox)));
+                    }
+                    //light and convexhull are inside different subs
+                    else
+                    {
+                        lightPos -= (chList.Submarine.Position - ParentSub.Position);
+
+                        Rectangle subBorders = chList.Submarine.Borders;
+                        subBorders.Location += chList.Submarine.HiddenSubPosition.ToPoint() - new Point(0, chList.Submarine.Borders.Height);
+
+                        if (!MathUtils.CircleIntersectsRectangle(lightPos, range, subBorders)) continue;
+
+                        list.AddRange(chList.List.FindAll(ch => MathUtils.CircleIntersectsRectangle(lightPos, range, ch.BoundingBox)));
+                    }
+                }
+            }
+
+            return list;
+        }
+
        public void DrawShadows(GraphicsDevice graphicsDevice, Camera cam, LightSource light, Matrix transform, bool los = true)
        {
            if (!Enabled) return;