/*==========================================================================;
 *
 *  Copyright (C) Microsoft Corporation.  All Rights Reserved.
 *
 *  File:       d3d8types.h
 *  Content:    Direct3D capabilities include file
 *
 ***************************************************************************/

#ifndef _D3D8TYPES_H_
#define _D3D8TYPES_H_

#ifndef DIRECT3D_VERSION
#define DIRECT3D_VERSION         0x0800
#endif  //DIRECT3D_VERSION

// include this file content only if compiling for DX8 interfaces
#if(DIRECT3D_VERSION >= 0x0800)

#include <float.h>

#pragma warning(disable:4201) // anonymous unions warning
#pragma pack(4)

// D3DCOLOR is equivalent to D3DFMT_A8R8G8B8
#ifndef D3DCOLOR_DEFINED
typedef DWORD D3DCOLOR;
#define D3DCOLOR_DEFINED
#endif

// maps unsigned 8 bits/channel to D3DCOLOR
#define D3DCOLOR_ARGB(a,r,g,b) \
    ((D3DCOLOR)((((a)&0xff)<<24)|(((r)&0xff)<<16)|(((g)&0xff)<<8)|((b)&0xff)))
#define D3DCOLOR_RGBA(r,g,b,a) D3DCOLOR_ARGB(a,r,g,b)
#define D3DCOLOR_XRGB(r,g,b)   D3DCOLOR_ARGB(0xff,r,g,b)

// maps floating point channels (0.f to 1.f range) to D3DCOLOR
#define D3DCOLOR_COLORVALUE(r,g,b,a) \
    D3DCOLOR_RGBA((DWORD)((r)*255.f),(DWORD)((g)*255.f),(DWORD)((b)*255.f),(DWORD)((a)*255.f))


#ifndef D3DVECTOR_DEFINED
typedef struct _D3DVECTOR {
    float x;
    float y;
    float z;
} D3DVECTOR;
#define D3DVECTOR_DEFINED
#endif

#ifndef D3DCOLORVALUE_DEFINED
typedef struct _D3DCOLORVALUE {
    float r;
    float g;
    float b;
    float a;
} D3DCOLORVALUE;
#define D3DCOLORVALUE_DEFINED
#endif

#ifndef D3DRECT_DEFINED
typedef struct _D3DRECT {
    LONG x1;
    LONG y1;
    LONG x2;
    LONG y2;
} D3DRECT;
#define D3DRECT_DEFINED
#endif

#ifndef D3DMATRIX_DEFINED
typedef struct _D3DMATRIX {
    union {
        struct {
            float        _11, _12, _13, _14;
            float        _21, _22, _23, _24;
            float        _31, _32, _33, _34;
            float        _41, _42, _43, _44;

        };
        float m[4][4];
    };
} D3DMATRIX;
#define D3DMATRIX_DEFINED
#endif

typedef struct _D3DVIEWPORT8 {
    DWORD       X;
    DWORD       Y;            /* Viewport Top left */
    DWORD       Width;
    DWORD       Height;       /* Viewport Dimensions */
    float       MinZ;         /* Min/max of clip Volume */
    float       MaxZ;
} D3DVIEWPORT8;

/*
 * Values for clip fields.
 */

// Max number of user clipping planes, supported in D3D.
#define D3DMAXUSERCLIPPLANES 32

// These bits could be ORed together to use with D3DRS_CLIPPLANEENABLE
//
#define D3DCLIPPLANE0 (1 << 0)
#define D3DCLIPPLANE1 (1 << 1)
#define D3DCLIPPLANE2 (1 << 2)
#define D3DCLIPPLANE3 (1 << 3)
#define D3DCLIPPLANE4 (1 << 4)
#define D3DCLIPPLANE5 (1 << 5)

// The following bits are used in the ClipUnion and ClipIntersection
// members of the D3DCLIPSTATUS8
//

#define D3DCS_LEFT        0x00000001L
#define D3DCS_RIGHT       0x00000002L
#define D3DCS_TOP         0x00000004L
#define D3DCS_BOTTOM      0x00000008L
#define D3DCS_FRONT       0x00000010L
#define D3DCS_BACK        0x00000020L
#define D3DCS_PLANE0      0x00000040L
#define D3DCS_PLANE1      0x00000080L
#define D3DCS_PLANE2      0x00000100L
#define D3DCS_PLANE3      0x00000200L
#define D3DCS_PLANE4      0x00000400L
#define D3DCS_PLANE5      0x00000800L

#define D3DCS_ALL (D3DCS_LEFT   | \
                   D3DCS_RIGHT  | \
                   D3DCS_TOP    | \
                   D3DCS_BOTTOM | \
                   D3DCS_FRONT  | \
                   D3DCS_BACK   | \
                   D3DCS_PLANE0 | \
                   D3DCS_PLANE1 | \
                   D3DCS_PLANE2 | \
                   D3DCS_PLANE3 | \
                   D3DCS_PLANE4 | \
                   D3DCS_PLANE5)

typedef struct _D3DCLIPSTATUS8 {
    DWORD ClipUnion;
    DWORD ClipIntersection;
} D3DCLIPSTATUS8;

typedef struct _D3DMATERIAL8 {
    D3DCOLORVALUE   Diffuse;        /* Diffuse color RGBA */
    D3DCOLORVALUE   Ambient;        /* Ambient color RGB */
    D3DCOLORVALUE   Specular;       /* Specular 'shininess' */
    D3DCOLORVALUE   Emissive;       /* Emissive color RGB */
    float           Power;          /* Sharpness if specular highlight */
} D3DMATERIAL8;

typedef enum _D3DLIGHTTYPE {
    D3DLIGHT_POINT          = 1,
    D3DLIGHT_SPOT           = 2,
    D3DLIGHT_DIRECTIONAL    = 3,
    D3DLIGHT_FORCE_DWORD    = 0x7fffffff, /* force 32-bit size enum */
} D3DLIGHTTYPE;

typedef struct _D3DLIGHT8 {
    D3DLIGHTTYPE    Type;            /* Type of light source */
    D3DCOLORVALUE   Diffuse;         /* Diffuse color of light */
    D3DCOLORVALUE   Specular;        /* Specular color of light */
    D3DCOLORVALUE   Ambient;         /* Ambient color of light */
    D3DVECTOR       Position;         /* Position in world space */
    D3DVECTOR       Direction;        /* Direction in world space */
    float           Range;            /* Cutoff range */
    float           Falloff;          /* Falloff */
    float           Attenuation0;     /* Constant attenuation */
    float           Attenuation1;     /* Linear attenuation */
    float           Attenuation2;     /* Quadratic attenuation */
    float           Theta;            /* Inner angle of spotlight cone */
    float           Phi;              /* Outer angle of spotlight cone */
} D3DLIGHT8;

/*
 * Options for clearing
 */
#define D3DCLEAR_TARGET            0x00000001l  /* Clear target surface */
#define D3DCLEAR_ZBUFFER           0x00000002l  /* Clear target z buffer */
#define D3DCLEAR_STENCIL           0x00000004l  /* Clear stencil planes */

/*
 * The following defines the rendering states
 */

typedef enum _D3DSHADEMODE {
    D3DSHADE_FLAT               = 1,
    D3DSHADE_GOURAUD            = 2,
    D3DSHADE_PHONG              = 3,
    D3DSHADE_FORCE_DWORD        = 0x7fffffff, /* force 32-bit size enum */
} D3DSHADEMODE;

typedef enum _D3DFILLMODE {
    D3DFILL_POINT               = 1,
    D3DFILL_WIREFRAME           = 2,
    D3DFILL_SOLID               = 3,
    D3DFILL_FORCE_DWORD         = 0x7fffffff, /* force 32-bit size enum */
} D3DFILLMODE;

typedef struct _D3DLINEPATTERN {
    WORD    wRepeatFactor;
    WORD    wLinePattern;
} D3DLINEPATTERN;

typedef enum _D3DBLEND {
    D3DBLEND_ZERO               = 1,
    D3DBLEND_ONE                = 2,
    D3DBLEND_SRCCOLOR           = 3,
    D3DBLEND_INVSRCCOLOR        = 4,
    D3DBLEND_SRCALPHA           = 5,
    D3DBLEND_INVSRCALPHA        = 6,
    D3DBLEND_DESTALPHA          = 7,
    D3DBLEND_INVDESTALPHA       = 8,
    D3DBLEND_DESTCOLOR          = 9,
    D3DBLEND_INVDESTCOLOR       = 10,
    D3DBLEND_SRCALPHASAT        = 11,
    D3DBLEND_BOTHSRCALPHA       = 12,
    D3DBLEND_BOTHINVSRCALPHA    = 13,
    D3DBLEND_FORCE_DWORD        = 0x7fffffff, /* force 32-bit size enum */
} D3DBLEND;

typedef enum _D3DBLENDOP {
    D3DBLENDOP_ADD              = 1,
    D3DBLENDOP_SUBTRACT         = 2,
    D3DBLENDOP_REVSUBTRACT      = 3,
    D3DBLENDOP_MIN              = 4,
    D3DBLENDOP_MAX              = 5,
    D3DBLENDOP_FORCE_DWORD      = 0x7fffffff, /* force 32-bit size enum */
} D3DBLENDOP;

typedef enum _D3DTEXTUREADDRESS {
    D3DTADDRESS_WRAP            = 1,
    D3DTADDRESS_MIRROR          = 2,
    D3DTADDRESS_CLAMP           = 3,
    D3DTADDRESS_BORDER          = 4,
    D3DTADDRESS_MIRRORONCE      = 5,
    D3DTADDRESS_FORCE_DWORD     = 0x7fffffff, /* force 32-bit size enum */
} D3DTEXTUREADDRESS;

typedef enum _D3DCULL {
    D3DCULL_NONE                = 1,
    D3DCULL_CW                  = 2,
    D3DCULL_CCW                 = 3,
    D3DCULL_FORCE_DWORD         = 0x7fffffff, /* force 32-bit size enum */
} D3DCULL;

typedef enum _D3DCMPFUNC {
    D3DCMP_NEVER                = 1,
    D3DCMP_LESS                 = 2,
    D3DCMP_EQUAL                = 3,
    D3DCMP_LESSEQUAL            = 4,
    D3DCMP_GREATER              = 5,
    D3DCMP_NOTEQUAL             = 6,
    D3DCMP_GREATEREQUAL         = 7,
    D3DCMP_ALWAYS               = 8,
    D3DCMP_FORCE_DWORD          = 0x7fffffff, /* force 32-bit size enum */
} D3DCMPFUNC;

typedef enum _D3DSTENCILOP {
    D3DSTENCILOP_KEEP           = 1,
    D3DSTENCILOP_ZERO           = 2,
    D3DSTENCILOP_REPLACE        = 3,
    D3DSTENCILOP_INCRSAT        = 4,
    D3DSTENCILOP_DECRSAT        = 5,
    D3DSTENCILOP_INVERT         = 6,
    D3DSTENCILOP_INCR           = 7,
    D3DSTENCILOP_DECR           = 8,
    D3DSTENCILOP_FORCE_DWORD    = 0x7fffffff, /* force 32-bit size enum */
} D3DSTENCILOP;

typedef enum _D3DFOGMODE {
    D3DFOG_NONE                 = 0,
    D3DFOG_EXP                  = 1,
    D3DFOG_EXP2                 = 2,
    D3DFOG_LINEAR               = 3,
    D3DFOG_FORCE_DWORD          = 0x7fffffff, /* force 32-bit size enum */
} D3DFOGMODE;

typedef enum _D3DZBUFFERTYPE {
    D3DZB_FALSE                 = 0,
    D3DZB_TRUE                  = 1, // Z buffering
    D3DZB_USEW                  = 2, // W buffering
    D3DZB_FORCE_DWORD           = 0x7fffffff, /* force 32-bit size enum */
} D3DZBUFFERTYPE;

// Primitives supported by draw-primitive API
typedef enum _D3DPRIMITIVETYPE {
    D3DPT_POINTLIST             = 1,
    D3DPT_LINELIST              = 2,
    D3DPT_LINESTRIP             = 3,
    D3DPT_TRIANGLELIST          = 4,
    D3DPT_TRIANGLESTRIP         = 5,
    D3DPT_TRIANGLEFAN           = 6,
    D3DPT_FORCE_DWORD           = 0x7fffffff, /* force 32-bit size enum */
} D3DPRIMITIVETYPE;

typedef enum _D3DTRANSFORMSTATETYPE {
    D3DTS_VIEW          = 2,
    D3DTS_PROJECTION    = 3,
    D3DTS_TEXTURE0      = 16,
    D3DTS_TEXTURE1      = 17,
    D3DTS_TEXTURE2      = 18,
    D3DTS_TEXTURE3      = 19,
    D3DTS_TEXTURE4      = 20,
    D3DTS_TEXTURE5      = 21,
    D3DTS_TEXTURE6      = 22,
    D3DTS_TEXTURE7      = 23,
    D3DTS_FORCE_DWORD     = 0x7fffffff, /* force 32-bit size enum */
} D3DTRANSFORMSTATETYPE;

#define D3DTS_WORLDMATRIX(index) (D3DTRANSFORMSTATETYPE)(index + 256)
#define D3DTS_WORLD  D3DTS_WORLDMATRIX(0)
#define D3DTS_WORLD1 D3DTS_WORLDMATRIX(1)
#define D3DTS_WORLD2 D3DTS_WORLDMATRIX(2)
#define D3DTS_WORLD3 D3DTS_WORLDMATRIX(3)

typedef enum _D3DRENDERSTATETYPE {
    D3DRS_ZENABLE                   = 7,    /* D3DZBUFFERTYPE (or TRUE/FALSE for legacy) */
    D3DRS_FILLMODE                  = 8,    /* D3DFILLMODE */
    D3DRS_SHADEMODE                 = 9,    /* D3DSHADEMODE */
    D3DRS_LINEPATTERN               = 10,   /* D3DLINEPATTERN */
    D3DRS_ZWRITEENABLE              = 14,   /* TRUE to enable z writes */
    D3DRS_ALPHATESTENABLE           = 15,   /* TRUE to enable alpha tests */
    D3DRS_LASTPIXEL                 = 16,   /* TRUE for last-pixel on lines */
    D3DRS_SRCBLEND                  = 19,   /* D3DBLEND */
    D3DRS_DESTBLEND                 = 20,   /* D3DBLEND */
    D3DRS_CULLMODE                  = 22,   /* D3DCULL */
    D3DRS_ZFUNC                     = 23,   /* D3DCMPFUNC */
    D3DRS_ALPHAREF                  = 24,   /* D3DFIXED */
    D3DRS_ALPHAFUNC                 = 25,   /* D3DCMPFUNC */
    D3DRS_DITHERENABLE              = 26,   /* TRUE to enable dithering */
    D3DRS_ALPHABLENDENABLE          = 27,   /* TRUE to enable alpha blending */
    D3DRS_FOGENABLE                 = 28,   /* TRUE to enable fog blending */