OgreQuake3Shader.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2014 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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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
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*/
#ifndef __QUAKE3SHADER_H__
#define __QUAKE3SHADER_H__

#include "OgreResource.h"
#include "OgreBspPrerequisites.h"
#include "OgreQuake3Types.h"
#include "OgreCommon.h"
#include "OgreColourValue.h"
#include "OgreBlendMode.h"
#include "OgreTextureUnitState.h"

namespace Ogre {


    class Quake3Shader : public ResourceAlloc
    {
    protected:
        String getAlternateName(const String& texName);
        String mName;

    public:

        Quake3Shader(const String& name);
        ~Quake3Shader();

        MaterialPtr createAsMaterial(int lightmapNumber);

        struct Pass {
            unsigned int flags;
            String textureName;
            TexGen texGen;
            // Multitexture blend
            LayerBlendOperation blend;
            // Multipass blends (Quake3 only supports multipass?? Surely not?)
            SceneBlendFactor blendSrc;
            SceneBlendFactor blendDest;
            bool customBlend;
            CompareFunction depthFunc;
            TextureUnitState::TextureAddressingMode addressMode;
            // TODO - alphaFunc
            GenFunc rgbGenFunc;
            WaveType rgbGenWave;
            Real rgbGenParams[4];    // base, amplitude, phase, frequency
            Real tcModScale[2];
            Real tcModRotate;
            Real tcModScroll[2];
            Real tcModTransform[6];
            bool tcModTurbOn;
            Real tcModTurb[4];
            WaveType tcModStretchWave;
            Real tcModStretchParams[4];    // base, amplitude, phase, frequency
            CompareFunction alphaFunc;
            unsigned char alphaVal;

            Real animFps;
            unsigned int animNumFrames;
            String frames[32];
        };

        unsigned int flags;
        int numPasses;
        typedef vector<Pass>::type PassList;
        PassList pass;
        bool farbox;            // Skybox
        String farboxName;
        bool skyDome;
        Real cloudHeight;       // Skydome
        DeformFunc deformFunc;
        Real deformParams[5];
        ManualCullingMode cullMode;

        bool fog;
        ColourValue fogColour;
        Real fogDistance;

    };
}

#endif