Moved SpriteBatcher code to its own file
Renamed SpriteMaterial/SpriteBatcher to RenderMaterial/RenderBatcher
Turn RenderBatcher into a singleton for now (ugh)...
Fixed CircularVertexBuffer initialization
Added culling mode to RenderMaterial
Style: Added m_ prefix to RenderMaterial members
Fixed RenderBatcher vertex buffer not being recreated on renderer reset
Batch culling mode
Moved material detection logic inside EERIEAddTriangle()
Added culling mode detection to EERIEAddTriangle()
Use batching in DrawEERIEObjExEx
Removed EERIEResetSprites()
Removed EERIEClearSprites()
Removed EERIERenderSprites()