1 files changed, 70 insertions, 0 deletions
diff --git a/RenderScript/include/EngineObjectParserCommon.h b/RenderScript/include/EngineObjectParserCommon.h
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+++ b/RenderScript/include/EngineObjectParserCommon.h
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+/*     Copyright 2015 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  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 OF ANY PROPRIETARY RIGHTS.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#include "EngineObjectParserBase.h"
+
+namespace Diligent
+{
+    template<typename ObjectType>
+    class EngineObjectParserCommon  : public EngineObjectParserBase
+    {
+    public:
+        EngineObjectParserCommon( IRenderDevice *pRenderDevice, lua_State *L, const Char *LibName ) :
+            EngineObjectParserBase( pRenderDevice, L, LibName )
+        {}
+
+        virtual void GetObjectByName( lua_State *L, const Char *ShaderName, ObjectType** ppObject )
+        {
+            auto pObject = *GetGlobalObject<ObjectType**>( L, ShaderName, m_MetatableRegistryName.c_str() );
+            *ppObject = pObject;
+            pObject->AddRef();
+        }
+
+    protected:
+        virtual void PushExistingObject( lua_State *L, const void *pObject )
+        {
+            auto ppObject = reinterpret_cast<ObjectType**>(lua_newuserdata( L, sizeof( ObjectType* ) ));
+            *ppObject = reinterpret_cast<ObjectType*>(const_cast<void*>(pObject));
+            (*ppObject)->AddRef();
+        }
+
+        virtual void DestroyObj( void *pData )
+        {
+            if( pData != nullptr )
+            {
+                auto ppObject = reinterpret_cast<ObjectType**>(pData);
+                if( *ppObject != nullptr )
+                 (*ppObject)->Release();
+            }
+        }
+
+        virtual void ReadField( lua_State *L, void *pData, const Char *Field )
+        {
+            auto pObject = *reinterpret_cast<ObjectType**>(pData);
+            const auto &Desc = pObject->GetDesc();
+            PushField( L, &Desc, Field, m_Bindings );
+        }
+    };
+}