Add some fun pgm sprite hacking routines
This commit is contained in:
iq_132
parent
94a491a306
commit
85ae03d26b
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@ -1,6 +1,10 @@
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#include "pgm.h"
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#include "pgm_sprite.h"
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//#define DUMP_SPRITE_BITMAPS
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//#define DRAW_SPRITE_NUMBER
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static INT32 nTileMask = 0;
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static UINT8 sprmsktab[0x100];
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static UINT8 *SpritePrio; // sprite priorities
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@ -9,6 +13,236 @@ static UINT16 *pTempDraw; // pre-zoomed sprites
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static UINT8 *tiletrans; // tile transparency table
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static UINT8 *texttrans; // text transparency table
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#ifdef DUMP_SPRITE_BITMAPS
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static UINT32 *pTempDraw32;
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#endif
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#ifdef DRAW_SPRITE_NUMBER
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static UINT8 font_pixels[16][7*5] =
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{
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{ // 0
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,0,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // 1
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0,0,0,0,0,
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0,0,1,0,0,
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0,0,1,0,0,
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0,0,1,0,0,
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0,0,1,0,0,
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0,0,1,0,0,
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0,0,0,0,0,
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},
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{ // 1
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0,0,0,0,0,
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0,0,1,1,0,
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0,1,0,1,0,
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0,0,0,1,0,
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0,0,1,0,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // 3
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0,0,0,0,0,
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0,1,1,1,0,
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0,0,0,1,0,
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0,1,1,1,0,
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0,0,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // 4
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0,0,0,0,0,
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0,1,0,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,1,0,
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0,0,0,1,0,
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0,0,0,0,0,
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},
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{ // 5
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,0,0,
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0,1,1,0,0,
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0,0,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // 6
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0,0,0,0,0,
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0,0,1,0,0,
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0,1,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // 7
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0,0,0,0,0,
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0,1,1,1,0,
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0,0,0,1,0,
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0,0,0,1,0,
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0,0,1,0,0,
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0,0,1,0,0,
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0,0,0,0,0,
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},
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{ // 8
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // 9
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,1,0,0,
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0,1,0,0,0,
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0,0,0,0,0,
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},
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{ // a
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,0,1,0,
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0,0,0,0,0,
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},
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{ // b
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#if 0
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,0,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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#else // this one looks a lot like an '8'
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0,0,0,0,0,
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0,1,0,0,0,
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0,1,0,0,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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#endif
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},
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{ // c
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,0,0,
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0,1,0,0,0,
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0,1,0,0,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // d
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#if 0
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0,0,0,0,0,
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0,1,1,0,0,
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0,1,0,1,0,
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0,1,0,1,0,
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0,1,0,1,0,
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0,1,1,0,0,
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0,0,0,0,0,
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#else // this one looks a lot like a '0'
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0,0,0,0,0,
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0,0,0,1,0,
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0,0,0,1,0,
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0,1,1,1,0,
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0,1,0,1,0,
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0,1,1,1,0,
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0,0,0,0,0,
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#endif
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},
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{ // e
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,0,0,
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0,1,1,1,0,
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0,1,0,0,0,
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0,1,1,1,0,
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0,0,0,0,0,
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},
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{ // f
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0,0,0,0,0,
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0,1,1,1,0,
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0,1,0,0,0,
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0,1,1,0,0,
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0,1,0,0,0,
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0,1,0,0,0,
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0,0,0,0,0,
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}
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};
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static void draw_font(INT32 sx, INT32 sy, UINT32 code)
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{
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INT32 enable1 = 0;
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for (INT32 z = 7; z >= 0; z--)
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{
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INT32 chr = (code >> (z*4))&0xf;
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if (enable1 == 0 && chr == 0) continue; // skip leading 0's
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enable1 = 1;
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UINT8 *gfx = font_pixels[chr];
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for (INT32 y = 0; y < 7; y++) {
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if ((sy+y)<0 || (sy+y)>=nScreenHeight) continue; // clip
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UINT16 *dst = pTransDraw + (sy + y) * nScreenWidth;
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for (INT32 x = 0; x < 5; x++) {
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if ((sx+x)<0 || (sx+x)>=nScreenWidth) continue; // clip
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INT32 pxl = gfx[(y*5)+x];
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if (pxl) {
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dst[(sx+x)] = 0x901;
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} else {
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dst[(sx+x)] = 0x900;
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}
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}
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}
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sx += 5;
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}
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}
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static void pgm_drawsprites_fonts(INT32 priority)
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{
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UINT16 *source = PGMSprBuf;
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UINT16 *finish = PGMSprBuf + 0xa00/2;
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while (finish > source)
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{
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if (source[4] == 0) break;
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INT32 xpos = BURN_ENDIAN_SWAP_INT16(source[0]) & 0x07ff;
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INT32 ypos = BURN_ENDIAN_SWAP_INT16(source[1]) & 0x03ff;
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INT32 prio = (BURN_ENDIAN_SWAP_INT16(source[2]) & 0x0080) >> 7;
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INT32 boff =((BURN_ENDIAN_SWAP_INT16(source[2]) & 0x007f) << 16) | (BURN_ENDIAN_SWAP_INT16(source[3]) & 0xffff);
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if (priority==prio)
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draw_font(xpos, ypos, boff);
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source += 5;
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}
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}
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#endif
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inline static UINT32 CalcCol(UINT16 nColour)
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{
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INT32 r, g, b;
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@ -232,10 +466,187 @@ static void pgm_draw_sprite_nozoom(INT32 wide, INT32 high, INT32 palt, INT32 bof
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}
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}
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#ifdef DUMP_SPRITE_BITMAPS
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static void pgm_dump_sprite(INT32 wide, INT32 high, INT32 palt, INT32 boffset, INT32 xpos, INT32 ypos, INT32 flipx, INT32 flipy, INT32 prio)
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{
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if (nBurnBPP < 3) return;
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UINT32 *dest = pTempDraw32;
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UINT8 * bdata = PGMSPRMaskROM;
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UINT8 * adata = PGMSPRColROM;
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INT32 bdatasize = nPGMSPRMaskMaskLen;
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INT32 adatasize = nPGMSPRColMaskLen;
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INT32 yoff, xoff;
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UINT16 msk;
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UINT32 boffset_initial = boffset/2;
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UINT32 aoffset = (bdata[(boffset+3) & bdatasize] << 24) | (bdata[(boffset+2) & bdatasize] << 16) | (bdata[(boffset+1) & bdatasize] << 8) | (bdata[boffset & bdatasize]);
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aoffset = (aoffset >> 2) * 3;
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aoffset &= adatasize;
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xpos = 0;
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ypos = 0;
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boffset += 4;
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wide <<= 4;
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palt <<= 5;
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UINT32 tcolor = BurnHighCol(0xff,0,0xff,0);
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for (INT32 y = 0; y < high; y++) {
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for (INT32 x = 0; x < wide; x++) {
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dest[y*1024+x] = tcolor;
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}
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}
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for (INT32 ycnt = 0; ycnt < high; ycnt++) {
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if (flipy) {
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yoff = ypos + ((high-1) - ycnt);
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if (yoff < 0) break;
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if (yoff < 512) {
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dest = pTempDraw32 + (yoff * 1024);
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}
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} else {
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yoff = ypos + ycnt;
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if (yoff >= 512) break;
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if (yoff >= 0) {
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dest = pTempDraw32 + (yoff * 1024);
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}
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}
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{
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for (INT32 xcnt = 0; xcnt < wide; xcnt+=8)
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{
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msk = bdata[boffset & bdatasize] ^ 0xff;
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boffset++;
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aoffset &= adatasize;
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if (yoff < 0 || yoff >= 512 || msk == 0) {
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aoffset += sprmsktab[msk];
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continue;
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}
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if (flipx) {
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xoff = xpos + (wide - xcnt) - 1;
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if (xoff < -7 || xoff >= 1024+8) {
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aoffset += sprmsktab[msk];
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continue;
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}
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for (INT32 x = 0; x < 8; x++, xoff--)
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{
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if (msk & 0x0001)
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{
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if (xoff >= 0 && xoff < 1024) {
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dest[xoff] = RamCurPal[adata[aoffset] | palt];
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}
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aoffset++;
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}
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msk >>= 1;
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if (!msk) break;
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}
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} else {
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xoff = xpos + xcnt;
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if (xoff < -7 || xoff >= 1024) {
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aoffset += sprmsktab[msk];
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continue;
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}
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for (INT32 x = 0; x < 8; x++, xoff++)
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{
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if (msk & 0x0001)
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{
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if (xoff >= 0 && xoff < 1024) {
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dest[xoff] = RamCurPal[adata[aoffset] | palt];
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}
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aoffset++;
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}
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msk >>= 1;
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if (!msk) break;
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}
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}
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}
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}
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}
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#define SET_FILE_SIZE(x) \
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bmp_data[2] = (x); \
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bmp_data[3] = (x)>>8; \
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bmp_data[4] = (x)>>16
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#define SET_BITMAP_SIZE(x) \
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bmp_data[0x22] = (x); \
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bmp_data[0x23] = (x)>>8; \
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bmp_data[0x24] = (x)>>16
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#define SET_BITMAP_WIDTH(x) \
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bmp_data[0x12] = (x); \
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bmp_data[0x13] = (x)>>8; \
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bmp_data[0x14] = (x)>>16
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#define SET_BITMAP_HEIGHT(x) \
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bmp_data[0x16] = (x); \
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bmp_data[0x17] = (x)>>8; \
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bmp_data[0x18] = (x)>>16
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UINT8 bmp_data[0x36] = {
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0x42, 0x4D, // 'BM' (leave alone)
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0x00, 0x00, 0x00, 0x00, // file size
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0x00, 0x00, 0x00, 0x00, // padding
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0x36, 0x00, 0x00, 0x00, // offset to data (leave alone)
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0x28, 0x00, 0x00, 0x00, // windows mode (leave alone)
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0x00, 0x00, 0x00, 0x00, // bitmap width
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0x00, 0x00, 0x00, 0x00, // bitmap height
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0x01, 0x00, // planes (1) always!
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0x20, 0x00, // bits per pixel (let's do 32 so no conversion!)
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0x00, 0x00, 0x00, 0x00, // compression (none)
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0x00, 0x00, 0x00, 0x00, // size of bitmap data
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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};
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SET_FILE_SIZE((wide*high*4)+54);
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SET_BITMAP_SIZE(wide*high*4);
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SET_BITMAP_WIDTH(wide);
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SET_BITMAP_HEIGHT(high);
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char output[256];
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sprintf (output, "blendbmp/%8.8x_%dx%d.bmp", boffset_initial,wide,high);
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FILE *fa;
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fa = fopen(output, "rb");
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if (fa) {
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fclose (fa);
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return;
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}
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fa = fopen(output, "wb");
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fwrite (bmp_data,0x36,1,fa);
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for (INT32 y = high-1; y >= 0; y--) { // bitmap format is flipped
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fwrite (pTempDraw32 + 1024 * y,wide*4,1,fa);
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}
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fclose (fa);
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}
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#endif
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static void draw_sprite_new_zoomed(INT32 wide, INT32 high, INT32 xpos, INT32 ypos, INT32 palt, INT32 boffset, INT32 flip, UINT32 xzoom, INT32 xgrow, UINT32 yzoom, INT32 ygrow, INT32 prio )
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{
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if (!wide) return;
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#ifdef DUMP_SPRITE_BITMAPS
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pgm_dump_sprite(wide, high, palt, boffset, xpos, ypos, flip & 1, flip & 2, prio);
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#endif
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if (yzoom == 0 && xzoom == 0) {
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pgm_draw_sprite_nozoom(wide, high, palt, boffset, xpos, ypos, flip & 1, flip & 2, prio);
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return;
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@ -630,6 +1041,7 @@ INT32 pgmDraw()
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{
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// black / magenta
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RamCurPal[0x1200/2] = (nBurnLayer & 1) ? RamCurPal[0x3ff] : BurnHighCol(0xff, 0, 0xff, 0);
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RamCurPal[0x1202/2] = BurnHighCol(0xff,0x00,0xff,0);
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}
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// Fill in background color (0x1200/2)
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@ -644,10 +1056,15 @@ INT32 pgmDraw()
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pgm_drawsprites();
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if (nSpriteEnable & 1) copy_sprite_priority(1);
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#ifdef DRAW_SPRITE_NUMBER
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pgm_drawsprites_fonts(1);
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#endif
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if (nBurnLayer & 1) draw_background();
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if (nSpriteEnable & 2) copy_sprite_priority(0);
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#ifdef DRAW_SPRITE_NUMBER
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pgm_drawsprites_fonts(0);
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#endif
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if (nBurnLayer & 2) draw_text();
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BurnTransferCopy(RamCurPal);
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return 0;
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@ -657,6 +1074,10 @@ void pgmInitDraw() // preprocess some things...
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{
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GenericTilesInit();
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#ifdef DUMP_SPRITE_BITMAPS
|
||||
pTempDraw32 = (UINT32*)BurnMalloc(0x400 * 0x200 * 4);
|
||||
#endif
|
||||
|
||||
pTempDraw = (UINT16*)BurnMalloc(0x400 * 0x200 * sizeof(INT16));
|
||||
SpritePrio = (UINT8*)BurnMalloc(nScreenWidth * nScreenHeight);
|
||||
pTempScreen = (UINT16*)BurnMalloc(nScreenWidth * nScreenHeight * sizeof(INT16));
|
||||
|
|
@ -717,7 +1138,10 @@ void pgmInitDraw() // preprocess some things...
|
|||
void pgmExitDraw()
|
||||
{
|
||||
nTileMask = 0;
|
||||
|
||||
|
||||
#ifdef DUMP_SPRITE_BITMAPS
|
||||
BurnFree (pTempDraw32);
|
||||
#endif
|
||||
BurnFree (pTempDraw);
|
||||
BurnFree (tiletrans);
|
||||
BurnFree (texttrans);
|
||||
|
|
|
|||
|
|
@ -98,7 +98,7 @@ static INT32 pgmMemIndex()
|
|||
|
||||
RamEnd = Next;
|
||||
|
||||
RamCurPal = (UINT32 *) Next; Next += (0x0001202 / 2) * sizeof(UINT32);
|
||||
RamCurPal = (UINT32 *) Next; Next += (0x0001204 / 2) * sizeof(UINT32);
|
||||
|
||||
MemEnd = Next;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue