source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Material.h @ 2822

#ifndef __MATERIAL_H
#define __MATERIAL_H

#include "glInterface.h"
#include <Cg/cg.h>
#include <Cg/cgGL.h>
#include "common.h"


namespace CHCDemoEngine 
{

class Texture;
class RenderState;


class RgbaColor 
{

public:

        float r, g, b, a;

        RgbaColor(): r(1), g(1), b(1), a(1)
        {}

        RgbaColor(float _r, float _g, float _b, float _a): r(_r), g(_g), b(_b), a(_a)
        {}

        friend RgbaColor RandomColor(float a = 0.0f, float b = 1.0f);
};


// Forward declarations
RgbaColor RandomColor(float a, float b);



class Material 
{
friend class ResourceManager;

public:

        Material();

        Material(const RgbaColor &color);

        friend Material RandomMaterial();

        inline Texture *GetTexture() const { return mTexture; }

        inline RgbaColor GetAmbient() const { return mAmbientColor; }
        inline RgbaColor GetDiffuse() const { return mDiffuseColor; }
        inline RgbaColor GetSpecular() const { return mSpecularColor; }
        inline RgbaColor GetEmmisive() const { return mEmmisiveColor; }

        inline void SetTexture(Texture *texture) { mTexture = texture; }

        inline void SetAmbient(const RgbaColor &color) { mAmbientColor = color; }
        inline void SetDiffuse(const RgbaColor &color) { mDiffuseColor = color; }
        inline void SetSpecular(const RgbaColor &color) { mSpecularColor = color; }
        inline void SetEmmisive(const RgbaColor &color) { mEmmisiveColor = color; }
        
        inline void SetAlphaTestEnabled(bool alpha) { mAlphaTestEnabled = alpha; }
        inline bool IsAlphaTestEnabled() const { return mAlphaTestEnabled; } 
        /** Renders this material.
        */
        void Render(RenderState *state);
        /** Initialize the material with default values
        */
        void InitMaterial();

        static CGparameter sDiffuseParam;
        static CGparameter sDiffuseTexParam;

        static CGparameter sAmbientParam;
        static CGparameter sAmbientTexParam;

protected:

        ///////////

        RgbaColor mDiffuseColor;
        RgbaColor mSpecularColor;
        RgbaColor mAmbientColor;
        RgbaColor mEmmisiveColor;

        bool mAlphaTestEnabled;
        /// the assciated texture
        Texture *mTexture;
};


extern Material RandomMaterial();

}

#endif