2000-08-29 21:54:22 +02:00
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/******************/
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/*** Misc Utils ***/
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/******************/
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#include "system\global.h"
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#include "utils\utils.h"
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#include "gfx\Prim.h"
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#ifndef __VID_HEADER_
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#include "system/vid.h"
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#endif
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#ifndef __SYSTEM_GSTATE_H__
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#include "system\gstate.h"
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#endif
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#ifndef __MATHTABLE_HEADER__
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#include "utils\mathtab.h"
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#endif
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/*****************************************************************************/
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const s16 c_circle[ NO_SIN ] =
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{
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0,25,49,74,97,120,142,162,181,197,212,225,236,244,251,254,
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255,254,251,244,236,225,212,197,181,162,142,120,97,74,49,25,
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0,-25,-49,-74,-97,-120,-142,-162,-181,-197,-212,-225,-236,-244,-251,-254,
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-255,-254,-251,-244,-236,-225,-212,-197,-181,-162,-142,-120,-97,-74,-49,-25
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};
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/*****************************************************************************/
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const MATRIX IdentityMtx =
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{
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{{ONE, 0, 0},
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{ 0,ONE, 0},
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{ 0, 0,ONE}},
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{ 0, 0, 0},
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};
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/*****************************************************************************/
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const u32 NOTNEG = ((u32)1<<(u32)31) | ((u32)1<<(u32)15);
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long s_randomSeed;
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/*****************************************************************************/
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u8 *MakePtr(void *BasePtr,int Offset)
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{
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u8 *Ret;
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Ret=(u8*)BasePtr+(Offset);
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return(Ret);
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}
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2001-04-07 23:17:27 +02:00
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/*****************************************************************************/
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void RotateBox(sBox *B,int W,int H,int _xScale,int _yScale,int _rot)
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{
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int halfW,halfH;
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int ca,sa;
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int cw,ch,sw,sh;
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int width,height;
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int aspect;
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halfW=(W*_xScale)>>(12+1);
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halfH=(H*_yScale)>>(12+1);
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ca=mcos(_rot);
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sa=msin(_rot);
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cw=(ca*halfW)>>12;
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ch=(ca*halfH)>>12;
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sw=(sa*halfW)>>12;
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sh=(sa*halfH)>>12;
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// aspect=(512<<12)/384;//((_fh->H<<12)/_fh->W)/2;
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// ch=(ch*aspect)>>12;
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// sh=(sh*aspect)>>12;
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B->x0=-cw+sh; B->y0=-sw-ch;
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B->x1=+cw+sh; B->y1=+sw-ch;
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B->x2=-cw-sh; B->y2=-sw+ch;
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B->x3=+cw-sh; B->y3=+sw+ch;
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}
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