#include <libps.h>
#include <stdlib.h>

// **** Global defines
#define			TRUE (1)
#define			FALSE (0)
#define     ORDERING_TABLE_LENGTH (10)
#define     BACK ((1<<ORDERING_TABLE_LENGTH)-1)


#define			BitSet(_v,_b) \
						(*(_v) = (*(_v)) | (_b))
#define			BitClear(_v,_b) \
						(*(_v) -= (*(_v)) & (_b))
#define			BitCheck(_v,_b) \
						(*(_v)& (_b))

#define     RenderPrepare() \
            CurrentBuffer = GsGetActiveBuff(), \
            GsClearOt(0, 0, &OTable_Header[CurrentBuffer]), \
            GsSetWorkBase((PACKET*)Packet_Memory[CurrentBuffer])

#define     RenderFinish() \
            DrawSync(0), \
            VerticalSync = VSync(0), \
            GsSwapDispBuff(), \
            GsSortClear(SCREENR, SCREENG, SCREENB, &OTable_Header[CurrentBuffer]), \
            GsDrawOt(&OTable_Header[CurrentBuffer]), \
            FntFlush(-1)

#define			DrawSprite(_s,_p) \
						GsSortSprite((_s),&OTable_Header[CurrentBuffer], (_p))
#define			SetSpriteRGB(_s,_r,_g,_b) \
						(_s)->r = (_r), \
						(_s)->g = (_g), \
						(_s)->b = (_b)
#define			SetSpriteAnim(_s,_xf,_yf,_w,_h) \
						(_s)->u = (_w)*(_xf), \
						(_s)->v = (_h)*(_yf), \
						(_s)->w = (_w), \
						(_s)->h = (_h), \
						(_s)->mx = (_w)/2, \
						(_s)->my = (_h)/2

#define			DrawLine(_l,_p) \
						GsSortLine((_l),&OTable_Header[CurrentBuffer], (_p))
#define			DrawGradLine(_l,_p) \
						GsSortGLine((_l),&OTable_Header[CurrentBuffer], (_p))
#define			DrawBox(_b,_p) \
						GsSortBoxFill((_b),&OTable_Header[CurrentBuffer], (_p))
#define			SetLinePos(_l,_x0,_y0,_x1,_y1) \
						(_l)->x0 = (_x0), \
						(_l)->y0 = (_y0), \
						(_l)->x1 = (_x1), \
						(_l)->y1 = (_y1)
#define			SetGradLinePos \
						SetLinePos
#define			SetBoxPos(_b,_x,_y,_w,_h) \
						(_b)->x = (_x), \
						(_b)->y = (_y), \
						(_b)->w = (_w), \
						(_b)->h = (_h)
#define			SetLineRGB(_l,_r,_g,_b) \
						(_l)->r = (_r), \
						(_l)->g = (_g), \
						(_l)->b = (_b)
#define			SetGradLineRGB(_l,_r0,_g0,_b0,_r1,_g1,_b1) \
						(_l)->r0 = (_r0), \
						(_l)->g0 = (_g0), \
						(_l)->b0 = (_b0), \
						(_l)->r1 = (_r1), \
						(_l)->g1 = (_g1), \
						(_l)->b1 = (_b1)
#define			SetBoxRGB \
						SetLineRGB


// **** Global variables
u_long      CurrentBuffer;
u_long      VerticalSync;

u_char      SCREENR, SCREENG, SCREENB;

GsOT        OTable_Header[2];
GsOT_TAG    OTable_Array[2][1<<ORDERING_TABLE_LENGTH];

PACKET      Packet_Memory[2][128000];

// FUNCTION PROTOTYPES
void 		Initialise2DGraphics();
void 		SetSpriteInfo(GsSPRITE *tSprite, u_long tMemAddress, long tX, long tY);
void 		DrawGradBox(long x, long y, long w, long h, u_long priority, long draw,
					u_char r0, u_char g0, u_char b0,
					u_char r1, u_char g1, u_char b1,
					u_char r2, u_char g2, u_char b2,
					u_char r3, u_char g3, u_char b3);
u_long	CheckRectOverlap(RECT *rect1, RECT *rect2);