Engine directory for ticket #1

Engine/source/renderInstance/renderPassStateToken.h

@@ -0,0 +1,87 @@
+//-----------------------------------------------------------------------------
+// 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 _RENDERPASSSTATETOKEN_H_
+#define _RENDERPASSSTATETOKEN_H_
+
+#ifndef _RENDERBINMANAGER_H_
+#include "renderInstance/renderBinManager.h"
+#endif
+
+class RenderPassStateBin;
+
+
+class RenderPassStateToken : public SimObject
+{
+   typedef SimObject Parent;
+
+public:
+   DECLARE_CONOBJECT(RenderPassStateToken);
+
+   static void initPersistFields();
+
+   // These must be re-implemented, and will assert if called on the base class.
+   // They just can't be pure-virtual, due to SimObject.
+   virtual void process(SceneRenderState *state, RenderPassStateBin *callingBin);
+   virtual void reset();
+   virtual void enable(bool enabled = true);
+   virtual bool isEnabled() const;
+};
+
+//------------------------------------------------------------------------------
+
+class RenderPassStateBin : public RenderBinManager
+{
+   typedef RenderBinManager Parent;
+
+protected:
+   SimObjectPtr< RenderPassStateToken > mStateToken;
+   
+   static bool _setStateToken( void* object, const char* index, const char* data )
+   {
+      RenderPassStateToken* stateToken;
+      Sim::findObject( data, stateToken );
+      reinterpret_cast< RenderPassStateBin* >( object )->mStateToken = stateToken;
+      return false;
+   }
+   static const char* _getStateToken( void* object, const char* data )
+   {
+      RenderPassStateBin* bin = reinterpret_cast< RenderPassStateBin* >( object );
+      if( bin->mStateToken.isValid() )
+         return bin->mStateToken->getIdString();
+      else
+         return "0";
+   }
+   
+public:
+   DECLARE_CONOBJECT(RenderPassStateBin);
+   static void initPersistFields();
+
+   RenderPassStateBin();
+   virtual ~RenderPassStateBin();
+
+   void render(SceneRenderState *state);
+   void clear();
+   void sort();
+};
+
+#endif // _RENDERPASSSTATETOKEN_H_