Engine directory for ticket #1

Engine/source/forest/forestCellBatch.h

@@ -0,0 +1,62 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef _FORESTCELLBATCH_H_
+#define _FORESTCELLBATCH_H_
+
+#include "scene/sceneRenderState.h"
+
+class ForestItem;
+
+
+class ForestCellBatch 
+{
+protected:
+
+   /// Used to detect when the batch rendering 
+   /// objects need to be repacked.
+   bool mDirty; 
+
+   /// The items in the batch.
+   Vector<ForestItem> mItems;
+
+   /// The world space bounding box of this batch.
+   Box3F mBounds;
+
+   virtual bool _prepBatch( const ForestItem &item ) = 0;
+   virtual void _rebuildBatch() = 0;
+   virtual void _render( const SceneRenderState *state ) = 0;
+
+public:
+   
+   ForestCellBatch();
+   virtual ~ForestCellBatch();
+
+   bool add( const ForestItem &item );
+   S32 getItemCount() const { return mItems.size(); }
+
+   void render( SceneRenderState *state );
+   const Box3F& getWorldBox() const { return mBounds; }
+};
+
+
+#endif // _FORESTCELLBATCH_H_