DecalRData.h

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/* Copyright (C) 2015 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef INCLUDED_DECALRDATA
#define INCLUDED_DECALRDATA

#include "graphics/Camera.h"
#include "graphics/RenderableObject.h"
#include "graphics/ShaderProgramPtr.h"
#include "renderer/VertexArray.h"

class CModelDecal;
class CShaderDefines;
class CSimulation2;
class ShadowMap;

class CDecalRData : public CRenderData
{
public:
    CDecalRData(CModelDecal* decal, CSimulation2* simulation);
    ~CDecalRData();

    void Update(CSimulation2* simulation);

    static void RenderDecals(std::vector<CDecalRData*>& decals, const CShaderDefines& context,
                   ShadowMap* shadow, bool isDummyShader=false, const CShaderProgramPtr& dummy=CShaderProgramPtr());

    CModelDecal* GetDecal() { return m_Decal; }

private:
    void BuildArrays();

    VertexIndexArray m_IndexArray;

    VertexArray m_Array;
    VertexArray::Attribute m_Position;
    VertexArray::Attribute m_Normal;
    VertexArray::Attribute m_DiffuseColor;
    VertexArray::Attribute m_UV;

    CModelDecal* m_Decal;

    CSimulation2* m_Simulation;
};

#endif // INCLUDED_DECALRDATA