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/* Copyright 2015-2018 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 );
}
};
}
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