mtl.h

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/**********************************************************************
 *<
    FILE: mtl.h

    DESCRIPTION: Material and texture class definitions

    CREATED BY: Don Brittain

    HISTORY:

 *> Copyright (c) 1994, All Rights Reserved.
 **********************************************************************/
#pragma once

#include "export.h"
#include "tab.h"
#include "matrix3.h"
#include "BaseInterface.h"

// forward declarations
class MtlBase;

#define UVSOURCE_MESH       0   // use UVW coords from a standard map channel
#define UVSOURCE_XYZ        1   // compute UVW from object XYZ
#define UVSOURCE_MESH2      2   // use UVW2 (vertexCol) coords
#define UVSOURCE_WORLDXYZ   3   // use world XYZ as UVW
#ifdef GEOREFSYS_UVW_MAPPING
#define UVSOURCE_GEOXYZ     4   // generate planar uvw mapping from geo referenced world xyz on-the-fly
#endif
#define UVSOURCE_FACEMAP    5   // use "face map" UV coords
#define UVSOURCE_HWGEN      6   // use hardware generated texture coords

// texture class definition
class  TextureInfo : public BaseInterfaceServer {
public:
    DllExport TextureInfo();
    virtual ~TextureInfo() {};
    DllExport TextureInfo& operator=(const TextureInfo &from);
    
    int         useTex;
    int         faceMap;
    DWORD_PTR   textHandle;  // texture handle
    int         uvwSource;  
    int         mapChannel;
    Matrix3     textTM;  // texture transform
    UBYTE       tiling[3]; // u,v,w tiling:  GW_TEX_REPEAT, GW_TEX_MIRROR, or GW_TEX_NO_TILING
    UBYTE       colorOp;    // color texture operation
    UBYTE       colorAlphaSource;   // color blend alpha source
    UBYTE       colorScale; // color scale factor
    UBYTE       alphaOp;    // alpha texture operation
    UBYTE       alphaAlphaSource;   // alpha blend alpha source
    UBYTE       alphaScale; // alpha scale factor
};

// main material class definition
class  Material : public BaseInterfaceServer {
protected:

public:
    DllExport Material();
    virtual ~Material() {};
    DllExport Material(const Material &from);
    DllExport Material& operator=(const Material &from);

    Point3      Ka;
    Point3      Kd;
    Point3      Ks;
    float       shininess;
    float       shinStrength;
    float       opacity;
    float       selfIllum;
    int         dblSided;
    int         shadeLimit;
    Tab<TextureInfo> texture;
    DllExport BaseInterface *GetInterface(Interface_ID id);
private:
    void CopyFrom(const Material &from);
};