//------------------------------------
// Adapted from programs written by
// R.Swan who edited them from code
// that is (C) Sony Computer
// Entertainment. Origional author
// S. Ashley 7th Aug 97
//------------------------------------
#include <libps.h>

#define TX_NS_GP_QUAD (0x3d)


//------------------------------------
// Structures
//------------------------------------

typedef struct {
	u_long id;
	u_long flag;
	u_long nobj;
} HEADER;

typedef struct {
	u_long *vert_top;
	u_long n_vert;
	u_long *normal_top;
	u_long n_normal;
	u_long *primitive_top;
	u_long n_primitive;
	long scale;
} OBJECT;

typedef struct {
	short vx, vy, vz;
	short padding;
} VERTEX;

typedef struct {
	short nx, ny, nz;
	short padding;
} NORMAL;

typedef struct {
	u_char r, g, b;
} COLOUR;

typedef struct {
	u_short x0, y0;
	u_short x1, y1;
	u_short x2, y2;
	u_short x3, y3;
	int pmode;
	u_short cx, cy;
} TEXTURE;

typedef struct {
	u_char olen, ilen, flag, mode;
	u_char u0, v0;
	u_short cba;
	u_char u1, v1;
	u_short tsb;
	u_char u2, v2;
	u_short padding1;
	u_char u3, v3;
	u_short padding2;
	u_char r0, g0, b0, padding3;
	u_char r1, g1, b1, padding4;
	u_char r2, g2, b2, padding5;
	u_char r3, g3, b3, padding6;
	u_short vert0, vert1, vert2, vert3;
} TX_NS_GP_QUAD_FACE;


//------------------------------------
// Macro's
//------------------------------------

#define SetTmdHeader(h) \
	(h)->id = 0x41, \
	(h)->flag = 1, \
	(h)->nobj = 1

#define SetObjectData(o) \
	(o)->vert_top = VERTEX_START, \
	(o)->n_vert = VERTEX_QUANTITY, \
	(o)->normal_top = NORMAL_START, \
	(o)->n_normal = NORMAL_QUANTITY, \
	(o)->primitive_top = PRIMITIVE_START, \
	(o)->n_primitive = PRIMITIVE_QUANTITY, \
	(o)->scale = 0

#define SetPrimitiveHeader(h, _m, _f, _i, _o) \
	(h)->mode = (_m), \
	(h)->flag = (_f), \
	(h)->ilen = (_i), \
	(h)->olen = (_o)

#define SetColour0() \
	newPoly->r0 = (COLOUR_LUT+c0)->r, \
	newPoly->g0 = (COLOUR_LUT+c0)->g, \
	newPoly->b0 = (COLOUR_LUT+c0)->b

#define SetColour1() \
	newPoly->r1 = (COLOUR_LUT+c1)->r, \
	newPoly->g1 = (COLOUR_LUT+c1)->g, \
	newPoly->b1 = (COLOUR_LUT+c1)->b

#define SetColour2() \
	newPoly->r2 = (COLOUR_LUT+c2)->r, \
	newPoly->g2 = (COLOUR_LUT+c2)->g, \
	newPoly->b2 = (COLOUR_LUT+c2)->b

#define SetColour3() \
	newPoly->r3 = (COLOUR_LUT+c3)->r, \
	newPoly->g3 = (COLOUR_LUT+c3)->g, \
	newPoly->b3 = (COLOUR_LUT+c3)->b

#define SetVertex(v, _x, _y, _z) \
	(v)->vx = (_x), \
	(v)->vy = (_y), \
	(v)->vz = (_z)

#define SetNormal(n, _x, _y, _z) \
	(n)->nx = (_x), \
	(n)->ny = (_y), \
	(n)->nz = (_z)

#define SetColour(c, _r, _g, _b) \
	(c)->r = (_r), \
	(c)->g = (_g), \
	(c)->b = (_b)

#define SetTexture(t, _x0, _y0, _x1, _y1, _x2, _y2, _x3, _y3, _pmode, _cx, _cy) \
	(t)->x0 = (_x0), \
	(t)->y0 = (_y0), \
	(t)->x1 = (_x1), \
	(t)->y1 = (_y1), \
	(t)->x2 = (_x2), \
	(t)->y2 = (_y2), \
	(t)->x3 = (_x3), \
	(t)->y3 = (_y3), \
	(t)->pmode = (_pmode), \
	(t)->cx = (_cx), \
	(t)->cy = (_cy)


//------------------------------------
// Function types
//------------------------------------

void PrepareTMD(u_long address, VERTEX *vertex, COLOUR *colour, TEXTURE *texture);
u_long *FinishTMD(void);
void SetTX_NS_GP_QUAD(u_short v0, u_short v1, u_short v2, u_short v3,
					  u_long c0, u_long c1, u_long c2, u_long c3, u_long t0);
void SetTextureQuad(TX_NS_GP_QUAD_FACE *newPoly, u_long textureNum);