Material_Fallback01_BaseLight.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_MATERIAL_FALLBACK01_BASE_LIGHT_H
#define HPL_MATERIAL_FALLBACK01_BASE_LIGHT_H

#include "hpl1/engine/graphics/GPUProgram.h"
#include "hpl1/engine/graphics/Material.h"
#include "hpl1/engine/scene/Light3D.h"

#include "hpl1/engine/graphics/Material_BaseLight.h"

namespace hpl {

//---------------------------------------------------------------

class iMaterial_Fallback01_BaseLight : public iMaterial {
public:
    iMaterial_Fallback01_BaseLight(bool abNormalMap, bool abSpecular,
                                   const tString &asName, iLowLevelGraphics *apLowLevelGraphics,
                                   cImageManager *apImageManager, cTextureManager *apTextureManager,
                                   cRenderer2D *apRenderer, cGpuProgramManager *apProgramManager,
                                   eMaterialPicture aPicture, cRenderer3D *apRenderer3D);

    virtual ~iMaterial_Fallback01_BaseLight();

    tTextureTypeList GetTextureTypes();

    bool UsesType(eMaterialRenderType aType);

    iGpuProgram *getGpuProgram(const eMaterialRenderType aType, const int alPass, iLight3D *apLight);
    iMaterialProgramSetup *getGpuProgramSetup(const eMaterialRenderType aType, const int alPass, iLight3D *apLight);

    bool VertexProgramUsesLight(eMaterialRenderType aType, int alPass, iLight3D *apLight);
    bool VertexProgramUsesEye(eMaterialRenderType aType, int alPass, iLight3D *apLight);

    eMaterialAlphaMode GetAlphaMode(eMaterialRenderType aType, int alPass, iLight3D *apLight);
    eMaterialBlendMode GetBlendMode(eMaterialRenderType aType, int alPass, iLight3D *apLight);
    eMaterialChannelMode GetChannelMode(eMaterialRenderType aType, int alPass, iLight3D *apLight);

    iTexture *GetTexture(int alUnit, eMaterialRenderType aType, int alPass, iLight3D *apLight);
    eMaterialBlendMode GetTextureBlend(int alUnit, eMaterialRenderType aType, int alPass, iLight3D *apLight);

    int GetNumOfPasses(eMaterialRenderType aType, iLight3D *apLight);

    // Old and worthless stuff, only used by 2D renderer
    void Compile() {}
    bool StartRendering(eMaterialRenderType aType, iCamera *apCam, iLight *pLight) { return false; }
    void EndRendering(eMaterialRenderType aType) {}
    tVtxBatchFlag GetBatchFlags(eMaterialRenderType aType) { return 0; }
    bool NextPass(eMaterialRenderType aType) { return false; }
    bool HasMultiplePasses(eMaterialRenderType aType) { return false; }
    eMaterialType GetType(eMaterialRenderType aType) { return eMaterialType_Diffuse; }
    void EditVertexes(eMaterialRenderType aType, iCamera *apCam, iLight *pLight,
                      tVertexVec *apVtxVec, cVector3f *apTransform, unsigned int alIndexAdd) {}

protected:
    iTexture *mpNormalizationMap;
    iTexture *mpSpotNegativeRejectMap;

    // properties to set
    bool mbUseSpecular;
    bool mbUseNormalMap;

    bool mbUsesTwoPassSpot;

    iTexture *mpAttenuationMap;

    iGpuProgram *_programs[eBaseLightProgram_LastEnum];
    iGpuProgram *_diffuseShader;
    iGpuProgram *_ambientShader;
};

// Diffuse

class cMaterial_Fallback01_Diffuse : public iMaterial_Fallback01_BaseLight {
public:
    cMaterial_Fallback01_Diffuse(const tString &asName, iLowLevelGraphics *apLowLevelGraphics,
                                 cImageManager *apImageManager, cTextureManager *apTextureManager,
                                 cRenderer2D *apRenderer, cGpuProgramManager *apProgramManager,
                                 eMaterialPicture aPicture, cRenderer3D *apRenderer3D)
        : iMaterial_Fallback01_BaseLight(false, false,
                                         asName, apLowLevelGraphics, apImageManager, apTextureManager, apRenderer, apProgramManager,
                                         aPicture, apRenderer3D) {
    }
};

// Bump

class cMaterial_Fallback01_Bump : public iMaterial_Fallback01_BaseLight {
public:
    cMaterial_Fallback01_Bump(const tString &asName, iLowLevelGraphics *apLowLevelGraphics,
                              cImageManager *apImageManager, cTextureManager *apTextureManager,
                              cRenderer2D *apRenderer, cGpuProgramManager *apProgramManager,
                              eMaterialPicture aPicture, cRenderer3D *apRenderer3D)
        : iMaterial_Fallback01_BaseLight(true, false,
                                         asName, apLowLevelGraphics, apImageManager, apTextureManager, apRenderer, apProgramManager,
                                         aPicture, apRenderer3D) {
    }
};

//---------------------------------------------------------------

} // namespace hpl

#endif // HPL_MATERIAL_FALLBACK01_BASE_LIGHT_H