// TMD structure definitions etc.
// You will not usually need this file -- it is most likely you
// will be using an include in your program almost identical to
// this.  I have just included this in the TMD_check.zip file
// incase the include file you use does not have every definition
// required -- if so  you can cut/paste them from here into your
// include file.


// (C) 1997 by Sony Computer Entertainment (by S. Ashley 9th Jan 97)

// for decoding primative mode
#define IIP  0x10		 // gouraud shading
#define QUAD 0x08		 // 4 sided
#define TME  0x04		 // textured
#define ABE  0x02		 // semi transparency on
#define TGE  0x01		 // brightness calculation off

// flags for primatives 
#define GRD  0x04  // gradation
#define FCE  0x02  // 2 sided
#define LGT  0x01  // no light source calculation

// primative modes
#define F_3      0x20  // Triangle  No-texture 
#define F_3G     0x20  // Triangle  No-texture gradation
#define F_3T     0x24  // Triangle  Texture    
#define G_3      0x30  // triangle gouraud
#define G_3G     0x30  // triangle gouraud gradation
#define G_3T     0x34  // triangle gouraud texture
#define F_3_NL   0x21  // triangle no texture no light
#define F_3T_NL	 0x25  // triangle texture no light
#define G_3_NL	 0x31  // triangle gouraud no texture no light
#define G_3T_NL  0x35  // triangle gouraud texture no light

#define F_4      0x28  // Quadangle No-texture 
#define F_4G     0x28  // Quadangle No-texture gradation
#define F_4T     0x2c  // Quadangle Texture    
#define G_4      0x38  // quad gouraud
#define G_4G     0x38  // quad gouraud gradation
#define G_4T     0x3c  // quad gouraud texture
#define F_4_NL   0x29  // quad no texture no light
#define F_4T_NL	 0x2d  // quad texture no light
#define G_4_NL	 0x39  // quad gouraud no texture no light
#define G_4T_NL  0x3d  // quad gouraud texture no light

#define SL       0x40  // straight line no gradation
#define SL_G	 0x50  // straight line gradation

// TMD is made up of header, object tables (one for each object), 
// primative table, vertices table and normals table

typedef struct
	{
	u_long id;	// 0x00000041
	u_long flag;	// 1 if addresses real, 0 if offset
	u_long nobjs;	// number of objects in TMD
	} TMD_HDR;

typedef struct 
	{
	u_long *vert_top;	// vertices table
	u_long n_vert;		// number of vertices
	u_long *norm_top;	// normal table
	u_long n_norm;		// number of normals
	u_long *prim_top;	// primatives table
	u_long n_prim;		// number of primatives
	long   scale;		// not used
	} TMD_OBJ;

// primative table is made up of a collection of primatives headers,
// with their primative data

typedef struct
	{
	u_char olen, ilen, flag, mode;
	} PRIM_HDR;

//typedef struct 
//	{
//	short vx, vy;
//	short vz, pad;
//	} TMD_VERT;

//typedef struct 
//	{
//	short nx, ny;
//	short nz, pad;
//	} TMD_NORM;
//                            ....   I'm just using SVECTOR instead of these
//                                 TMD_VERT & TMD_NORM structures now to make it
//                              easier to ship vectors to various maths routines etc.
//                                 since they are byte-for-byte the same anyway.

// normals and vertices are indices for the normal and vertex tables
// r0, g0, b0 are colour values
// mode2 is just a repetition of the mode data used as a filler
typedef struct 			// ilen 3 olen 4
	{
	u_char r0, g0, b0, mode2;
	u_short norm0, vert0;
	u_short vert1, vert2;
	} TMD_F_3;

// pad0, pad1 are just padding
typedef struct 			// ilen 5 olen 6
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad0;
	u_char r2, g2, b2, pad1;
	u_short norm0, vert0;
	u_short vert1, vert2;
	} TMD_F_3G;

// CBA clutY * 64 + clutX / 16
// TSB texture page + semitrans rate (0..3) << 5 + colour mode (0..2) << 7
// u, v are texture page coordinates
typedef struct  		// ilen 5 olen 7
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad;
	u_short norm0, vert0;
	u_short vert1, vert2;
	} TMD_F_3T;

typedef struct 			// ilen 4 olen 5
	{
	u_char r0, g0, b0, mode2;
	u_short norm0, vert0;
	u_short vert1, vert2;
	u_short vert3, pad;
	} TMD_F_4;

typedef struct 			// ilen 7 olen 8
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad0;
	u_char r2, g2, b2, pad1;
	u_char r3, g3, b3, pad2;
	u_short norm0, vert0;
	u_short vert1, vert2;
	u_short vert3, pad3;
	} TMD_F_4G;

typedef struct 			// ilen 7 olen 9
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad0;
	u_char u3, v3; u_short pad1;
	u_short norm0, vert0;
	u_short vert1, vert2;
	u_short vert3, pad2;
	} TMD_F_4T;


typedef struct  			// ilen 4 olen 6
	{
	u_char r0, g0, b0, mode2;
	u_short norm0, vert0;
	u_short norm1, vert1;
	u_short norm2, vert2;
	} TMD_G_3;

typedef struct 			// ilen 6 olen 6
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad0;
	u_char r2, g2, b2, pad1;
	u_short norm0, vert0;
	u_short norm1, vert1;
	u_short norm2, vert2;
	} TMD_G_3G;


typedef struct 			// ilen 6 olen 9
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad;
	u_short norm0, vert0;
	u_short norm1, vert1;
	u_short norm2, vert2;
	} TMD_G_3T;


typedef struct 			// ilen 5 olen 8
	{
	u_char r0, g0, b0, mode2;
	u_short norm0, vert0;
	u_short norm1, vert1;
	u_short norm2, vert2;
	u_short norm3, vert3;
	} TMD_G_4;

typedef struct 			// ilen 8 olen 8
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad0;
	u_char r2, g2, b2, pad1;
	u_char r3, g3, b3, pad2;
	u_short norm0, vert0;
	u_short norm1, vert1;
	u_short norm2, vert2;
	u_short norm3, vert3;
	} TMD_G_4G;

typedef struct 			// ilen 8 olen 12
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad0;
	u_char u3, v3; u_short pad1;
	u_short norm0, vert0;
	u_short norm1, vert1;
	u_short norm2, vert2;
	u_short norm3, vert3;
	} TMD_G_4T;


typedef struct 			// ilen 3 olen 4
	{
	u_char r0, g0, b0, mode2;
	u_short vert0, vert1;
	u_short vert2, pad;
	} TMD_F_3_NL;


typedef struct 			// ilen 6 olen 7
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad0;
	u_char r0, g0, b0, pad1;
	u_short vert0, vert1;
	u_short vert2, pad2;
	} TMD_F_3T_NL;


typedef struct 			// ilen 5 olen 6
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad0;
	u_char r2, g2, b2, pad1;
	u_short vert0, vert1;
	u_short vert2, pad2;
	} TMD_G_3_NL;


typedef struct 			// ilen 8 olen 9
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad0;
	u_char r0, g0, b0, pad1;
	u_char r1, g1, b1, pad2;
	u_char r2, g2, b2, pad3;
	u_short vert0, vert1;
	u_short vert2, pad4;
	} TMD_G_3T_NL;


typedef struct 			// ilen 3 olen 5
	{
	u_char r0, g0, b0, mode2;
	u_short vert0, vert1;
	u_short vert2, vert3;
	} TMD_F_4_NL;


typedef struct 			// ilen 7 olen 9
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad0;
	u_char u3, v3; u_short pad1;
	u_char r0, g0, b0, pad2;
	u_short vert0, vert1;
	u_short vert2, vert3;
	} TMD_F_4T_NL;


typedef struct 			// ilen 6 olen 8
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad0;
	u_char r2, g2, b2, pad1;
	u_char r3, g3, b3, pad2;
	u_short vert0, vert1;
	u_short vert2, vert3;
	} TMD_G_4_NL;


typedef struct 			// ilen 10 olen 12
	{
	u_char u0, v0; u_short cba;
	u_char u1, v1; u_short tsb;
	u_char u2, v2; u_short pad0;
	u_char u3, v3; u_short pad1;
	u_char r0, g0, b0, pad2;
	u_char r1, g1, b1, pad3;
	u_char r2, g2, b2, pad4;
	u_char r3, g3, b3, pad5;
	u_short vert0, vert1;
	u_short vert2, vert3;
	} TMD_G_4T_NL;

typedef struct 			// ilen 2 olen 3
	{
	u_char r0, g0, b0, mode2;
	u_short vert0, vert1;
	} TMD_SL;

typedef struct 			// ilen 3 olen 4
	{
	u_char r0, g0, b0, mode2;
	u_char r1, g1, b1, pad;
	u_short vert0, vert1;
	} TMD_SL_G;