mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
new faster sprite priority and sh/hi hadling
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@486 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
0b35350da6
commit
07abbab17a
3 changed files with 370 additions and 357 deletions
429
Pico/Draw.c
429
Pico/Draw.c
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@ -36,6 +36,7 @@ static int HighCacheA[41+1]; // caches for high layers
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static int HighCacheB[41+1];
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static int HighCacheS[80+1]; // and sprites
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static int HighPreSpr[80*2+1]; // slightly preprocessed sprites
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int *HighCacheS_ptr;
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int rendstatus = 0;
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int Scanline = 0; // Scanline
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@ -62,7 +63,7 @@ struct TileStrip
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#ifdef _ASM_DRAW_C
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void DrawWindow(int tstart, int tend, int prio, int sh);
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void BackFill(int reg7, int sh);
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void DrawSprite(int *sprite, int **hc, int sh, int as);
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void DrawSprite(int *sprite, int sh, int as);
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void DrawTilesFromCache(int *hc, int sh, int rlim);
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void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh);
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void DrawLayer(int plane_sh, int *hcache, int cellskip, int maxcells);
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@ -82,202 +83,115 @@ void blockcpy_or(void *dst, void *src, size_t n, int pat)
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#endif
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#define TileNormMaker(funcname,pix_func) \
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static int funcname(int sx,int addr,int pal) \
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{ \
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unsigned char *pd = HighCol+sx; \
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unsigned int pack=0; unsigned int t=0; \
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\
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pack=*(unsigned int *)(Pico.vram+addr); /* Get 8 pixels */ \
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if (pack) \
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{ \
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t=(pack&0x0000f000)>>12; pix_func(0); \
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t=(pack&0x00000f00)>> 8; pix_func(1); \
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t=(pack&0x000000f0)>> 4; pix_func(2); \
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t=(pack&0x0000000f) ; pix_func(3); \
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t=(pack&0xf0000000)>>28; pix_func(4); \
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t=(pack&0x0f000000)>>24; pix_func(5); \
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t=(pack&0x00f00000)>>20; pix_func(6); \
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t=(pack&0x000f0000)>>16; pix_func(7); \
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return 0; \
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} \
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\
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return 1; /* Tile blank */ \
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}
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#define TileFlipMaker(funcname,pix_func) \
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static int funcname(int sx,int addr,int pal) \
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{ \
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unsigned char *pd = HighCol+sx; \
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unsigned int pack=0; unsigned int t=0; \
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\
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pack=*(unsigned int *)(Pico.vram+addr); /* Get 8 pixels */ \
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if (pack) \
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{ \
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t=(pack&0x000f0000)>>16; pix_func(0); \
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t=(pack&0x00f00000)>>20; pix_func(1); \
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t=(pack&0x0f000000)>>24; pix_func(2); \
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t=(pack&0xf0000000)>>28; pix_func(3); \
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t=(pack&0x0000000f) ; pix_func(4); \
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t=(pack&0x000000f0)>> 4; pix_func(5); \
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t=(pack&0x00000f00)>> 8; pix_func(6); \
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t=(pack&0x0000f000)>>12; pix_func(7); \
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return 0; \
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} \
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\
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return 1; /* Tile blank */ \
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}
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#ifdef _ASM_DRAW_C_AMIPS
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int TileNorm(int sx,int addr,int pal);
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int TileFlip(int sx,int addr,int pal);
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#else
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static int TileNorm(int sx,int addr,int pal)
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{
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unsigned char *pd = HighCol+sx;
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unsigned int pack=0; unsigned int t=0;
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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t=pack&0x0000f000; if (t) pd[0]=(unsigned char)(pal|(t>>12));
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t=pack&0x00000f00; if (t) pd[1]=(unsigned char)(pal|(t>> 8));
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t=pack&0x000000f0; if (t) pd[2]=(unsigned char)(pal|(t>> 4));
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t=pack&0x0000000f; if (t) pd[3]=(unsigned char)(pal|(t ));
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t=pack&0xf0000000; if (t) pd[4]=(unsigned char)(pal|(t>>28));
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t=pack&0x0f000000; if (t) pd[5]=(unsigned char)(pal|(t>>24));
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t=pack&0x00f00000; if (t) pd[6]=(unsigned char)(pal|(t>>20));
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t=pack&0x000f0000; if (t) pd[7]=(unsigned char)(pal|(t>>16));
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return 0;
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}
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#define pix_just_write(x) \
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if (t) pd[x]=pal|t
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return 1; // Tile blank
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}
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TileNormMaker(TileNorm,pix_just_write)
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TileFlipMaker(TileFlip,pix_just_write)
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static int TileFlip(int sx,int addr,int pal)
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{
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unsigned char *pd = HighCol+sx;
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unsigned int pack=0; unsigned int t=0;
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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t=pack&0x000f0000; if (t) pd[0]=(unsigned char)(pal|(t>>16));
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t=pack&0x00f00000; if (t) pd[1]=(unsigned char)(pal|(t>>20));
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t=pack&0x0f000000; if (t) pd[2]=(unsigned char)(pal|(t>>24));
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t=pack&0xf0000000; if (t) pd[3]=(unsigned char)(pal|(t>>28));
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t=pack&0x0000000f; if (t) pd[4]=(unsigned char)(pal|(t ));
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t=pack&0x000000f0; if (t) pd[5]=(unsigned char)(pal|(t>> 4));
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t=pack&0x00000f00; if (t) pd[6]=(unsigned char)(pal|(t>> 8));
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t=pack&0x0000f000; if (t) pd[7]=(unsigned char)(pal|(t>>12));
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return 0;
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}
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return 1; // Tile blank
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}
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#endif
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// tile renderers for hacky operator sprite support
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#define sh_pix(x) \
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if(!t); \
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else if(t==0xe) pd[x]=(unsigned char)((pd[x]&0x3f)|0x80); /* hilight */ \
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else if(t==0xf) pd[x]=(unsigned char)( pd[x] |0xc0); /* shadow */ \
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else pd[x]=(unsigned char)(pal|t)
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// draw a sprite pixel, process operator colors
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#define pix_sh(x) \
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if (!t); \
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else if (t==0xe) pd[x]=(pd[x]&0x3f)|0x80; /* hilight */ \
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else if (t==0xf) pd[x]= pd[x] |0xc0; /* shadow */ \
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else pd[x]=pal|t
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TileNormMaker(TileNormSH, pix_sh)
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TileFlipMaker(TileFlipSH, pix_sh)
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#ifndef _ASM_DRAW_C
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static int TileNormSH(int sx,int addr,int pal)
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{
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unsigned int pack=0; unsigned int t=0;
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unsigned char *pd = HighCol+sx;
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// draw a sprite pixel ignoring operator colors
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#define pix_sh_noop(x) \
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if (t && t < 0xe) \
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pd[x]=pal|t
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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t=(pack&0x0000f000)>>12; sh_pix(0);
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t=(pack&0x00000f00)>> 8; sh_pix(1);
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t=(pack&0x000000f0)>> 4; sh_pix(2);
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t=(pack&0x0000000f) ; sh_pix(3);
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t=(pack&0xf0000000)>>28; sh_pix(4);
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t=(pack&0x0f000000)>>24; sh_pix(5);
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t=(pack&0x00f00000)>>20; sh_pix(6);
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t=(pack&0x000f0000)>>16; sh_pix(7);
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return 0;
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}
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return 1; // Tile blank
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}
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static int TileFlipSH(int sx,int addr,int pal)
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{
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unsigned int pack=0; unsigned int t=0;
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unsigned char *pd = HighCol+sx;
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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t=(pack&0x000f0000)>>16; sh_pix(0);
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t=(pack&0x00f00000)>>20; sh_pix(1);
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t=(pack&0x0f000000)>>24; sh_pix(2);
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t=(pack&0xf0000000)>>28; sh_pix(3);
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t=(pack&0x0000000f) ; sh_pix(4);
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t=(pack&0x000000f0)>> 4; sh_pix(5);
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t=(pack&0x00000f00)>> 8; sh_pix(6);
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t=(pack&0x0000f000)>>12; sh_pix(7);
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return 0;
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}
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return 1; // Tile blank
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}
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TileNormMaker(TileNormSH_noop, pix_sh_noop)
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TileFlipMaker(TileFlipSH_noop, pix_sh_noop)
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#endif
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#define tilepixelAS(mask,index,shift) \
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if (!(pd[index]&0xc0)) { t=pack&mask; if (t) pd[index]=(pal|(t>>shift)); }
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// process operator pixels only, apply only on low pri tiles
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#define pix_sh_onlyop(x) \
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if (t==0xe && (pd[x]&0x40)) pd[x]=(pd[x]&0x3f)|0x80; /* hilight */ \
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else if (t==0xf && (pd[x]&0x40)) pd[x]= pd[x] |0xc0; /* shadow */
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static int TileNormAS(int sx,int addr,int pal)
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{
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unsigned char *pd = HighCol+sx;
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unsigned int pack=0; unsigned int t=0;
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TileNormMaker(TileNormSH_onlyop_lp, pix_sh_onlyop)
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TileFlipMaker(TileFlipSH_onlyop_lp, pix_sh_onlyop)
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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tilepixelAS(0x0000f000, 0, 12);
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tilepixelAS(0x00000f00, 1, 8);
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tilepixelAS(0x000000f0, 2, 4);
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tilepixelAS(0x0000000f, 3, 0);
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tilepixelAS(0xf0000000, 4, 28);
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tilepixelAS(0x0f000000, 5, 24);
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tilepixelAS(0x00f00000, 6, 20);
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tilepixelAS(0x000f0000, 7, 16);
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return 0;
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}
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// draw a sprite pixel (AS)
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#define pix_as(x) \
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if (t && !(pd[x]&0x80)) pd[x]=pal|t
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return 1; // Tile blank
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}
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TileNormMaker(TileNormAS, pix_as)
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TileFlipMaker(TileFlipAS, pix_as)
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static int TileFlipAS(int sx,int addr,int pal)
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{
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unsigned char *pd = HighCol+sx;
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unsigned int pack=0; unsigned int t=0;
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// draw a sprite pixel, skip operator colors (AS)
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#define pix_sh_as_noop(x) \
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if (t && t < 0xe && !(pd[x]&0x80)) pd[x]=pal|t
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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tilepixelAS(0x000f0000, 0, 16);
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tilepixelAS(0x00f00000, 1, 20);
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tilepixelAS(0x0f000000, 2, 24);
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tilepixelAS(0xf0000000, 3, 28);
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tilepixelAS(0x0000000f, 4, 0);
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tilepixelAS(0x000000f0, 5, 4);
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tilepixelAS(0x00000f00, 6, 8);
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tilepixelAS(0x0000f000, 7, 12);
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return 0;
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}
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return 1; // Tile blank
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}
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TileNormMaker(TileNormAS_noop, pix_sh_as_noop)
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TileFlipMaker(TileFlipAS_noop, pix_sh_as_noop)
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// there is a problem with transparent hi pri tiles (on layer), it will clear high bits
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// and sprite tiles will be drawn needlessly. Hopefully that won't happen much..
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#define sh_pixAS(x) \
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if(!t); \
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else if(t==0xe) pd[x]=(unsigned char)((pd[x]&0x3f)|0x80); /* hilight */ \
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else if(t==0xf) pd[x]=(unsigned char)( pd[x] |0xc0); /* shadow */ \
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else if(!(pd[x]&0xc0)) pd[x]=(unsigned char)(pal|t)
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// mark pixel as sprite pixel (AS)
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#define pix_sh_as_onlymark(x) \
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if (t) pd[x]|=0x80
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static int TileNormSHAS(int sx,int addr,int pal)
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{
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unsigned int pack=0; unsigned int t=0;
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unsigned char *pd = HighCol+sx;
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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t=(pack&0x0000f000)>>12; sh_pixAS(0);
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t=(pack&0x00000f00)>> 8; sh_pixAS(1);
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t=(pack&0x000000f0)>> 4; sh_pixAS(2);
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t=(pack&0x0000000f) ; sh_pixAS(3);
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t=(pack&0xf0000000)>>28; sh_pixAS(4);
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t=(pack&0x0f000000)>>24; sh_pixAS(5);
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t=(pack&0x00f00000)>>20; sh_pixAS(6);
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t=(pack&0x000f0000)>>16; sh_pixAS(7);
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return 0;
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}
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return 1; // Tile blank
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}
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static int TileFlipSHAS(int sx,int addr,int pal)
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{
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unsigned int pack=0; unsigned int t=0;
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unsigned char *pd = HighCol+sx;
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pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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if (pack)
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{
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t=(pack&0x000f0000)>>16; sh_pixAS(0);
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t=(pack&0x00f00000)>>20; sh_pixAS(1);
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t=(pack&0x0f000000)>>24; sh_pixAS(2);
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t=(pack&0xf0000000)>>28; sh_pixAS(3);
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t=(pack&0x0000000f) ; sh_pixAS(4);
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t=(pack&0x000000f0)>> 4; sh_pixAS(5);
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t=(pack&0x00000f00)>> 8; sh_pixAS(6);
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t=(pack&0x0000f000)>>12; sh_pixAS(7);
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return 0;
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}
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return 1; // Tile blank
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}
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TileNormMaker(TileNormAS_onlymark, pix_sh_as_onlymark)
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TileFlipMaker(TileFlipAS_onlymark, pix_sh_as_onlymark)
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// --------------------------------------------
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@ -512,7 +426,7 @@ static void DrawLayer(int plane_sh, int *hcache, int cellskip, int maxcells)
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static void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
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{
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struct PicoVideo *pvid=&Pico.video;
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int tilex=0,ty=0,nametab,code=0;
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int tilex,ty,nametab,code=0;
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int blank=-1; // The tile we know is blank
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// Find name table line:
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@ -528,9 +442,6 @@ static void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
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}
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tilex=tstart<<1;
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tend<<=1;
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ty=(Scanline&7)<<1; // Y-Offset into tile
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if (!(rendstatus & PDRAW_WND_DIFF_PRIO)) {
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// check the first tile code
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@ -539,6 +450,9 @@ static void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
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if ((code>>15) != prio) return;
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}
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tend<<=1;
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ty=(Scanline&7)<<1; // Y-Offset into tile
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// Draw tiles across screen:
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if (!sh)
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{
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@ -571,7 +485,7 @@ static void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
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for (; tilex < tend; tilex++)
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{
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int addr=0,zero=0;
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int pal, tmp, *zb;
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int pal;
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code=Pico.vram[nametab+tilex];
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if(code==blank) continue;
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@ -582,15 +496,10 @@ static void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
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pal=((code>>9)&0x30);
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zb = (int *)(HighCol+8+(tilex<<3));
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if(prio) {
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tmp = *zb;
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if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;
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if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;
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*zb++=tmp; tmp = *zb;
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if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;
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if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;
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*zb++=tmp;
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if (prio) {
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int *zb = (int *)(HighCol+8+(tilex<<3));
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*zb++ &= 0x3f3f3f3f;
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*zb &= 0x3f3f3f3f;
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} else {
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pal |= 0x40;
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}
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@ -617,14 +526,7 @@ static void DrawTilesFromCacheShPrep(void)
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rendstatus |= PDRAW_SHHI_DONE;
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while (c--)
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{
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int tmp = *zb;
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if (!(tmp & 0x80808080)) *zb=tmp&0x3f3f3f3f;
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else {
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if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;
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if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;
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*zb=tmp;
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}
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zb++;
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*zb++ &= 0x3f3f3f3f;
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}
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}
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@ -671,10 +573,8 @@ static void DrawTilesFromCache(int *hc, int sh, int rlim)
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addr+=(unsigned int)code>>25; // y offset into tile
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dx=(code>>16)&0x1ff;
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zb = HighCol+dx;
|
||||
if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
||||
if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
||||
if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
||||
if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
||||
*zb++ &= 0x3f; *zb++ &= 0x3f; *zb++ &= 0x3f; *zb++ &= 0x3f;
|
||||
*zb++ &= 0x3f; *zb++ &= 0x3f; *zb++ &= 0x3f; *zb++ &= 0x3f;
|
||||
|
||||
pal=((code>>9)&0x30);
|
||||
if (rlim-dx < 0) goto last_cut_tile;
|
||||
|
|
@ -726,7 +626,7 @@ last_cut_tile:
|
|||
// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size
|
||||
// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8
|
||||
|
||||
static void DrawSprite(int *sprite, int **hc, int sh, int as)
|
||||
static void DrawSprite(int *sprite, int sh, int as)
|
||||
{
|
||||
int width=0,height=0;
|
||||
int row=0,code=0;
|
||||
|
|
@ -747,25 +647,27 @@ static void DrawSprite(int *sprite, int **hc, int sh, int as)
|
|||
|
||||
if (code&0x1000) row=(height<<3)-1-row; // Flip Y
|
||||
|
||||
tile=code&0x7ff; // Tile number
|
||||
tile+=row>>3; // Tile number increases going down
|
||||
tile=code + (row>>3); // Tile number increases going down
|
||||
delta=height; // Delta to increase tile by going right
|
||||
if (code&0x0800) { tile+=delta*(width-1); delta=-delta; } // Flip X
|
||||
|
||||
tile<<=4; tile+=(row&7)<<1; // Tile address
|
||||
tile &= 0x7ff; tile<<=4; tile+=(row&7)<<1; // Tile address
|
||||
|
||||
if (code&0x8000) { // high priority - cache it
|
||||
*(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>16)&0xf);
|
||||
// we need all for accurate sprites, cached will be used to recover ones overwritten by high layer
|
||||
if (!as) return;
|
||||
pal=(code>>9)&0x30;
|
||||
|
||||
// assume there will be no sprites with both normal and operator pixels..
|
||||
if ((code&0x8000) || (sh && pal == 0x30) || as) {
|
||||
*HighCacheS_ptr++ = ((code&0x8000)<<16)|(tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|pal|((sprite[0]>>16)&0xf);
|
||||
// we need all for accurate sprites, cached will be used to do proper priorities
|
||||
if (!as && (code&0x8000)) return;
|
||||
}
|
||||
|
||||
delta<<=4; // Delta of address
|
||||
pal=((code>>9)&0x30)|((sh|as)<<6);
|
||||
pal|=((sh|as)<<6);
|
||||
|
||||
if (sh && (code&0x6000) == 0x6000) {
|
||||
if(code&0x0800) fTileFunc=TileFlipSH;
|
||||
else fTileFunc=TileNormSH;
|
||||
if(code&0x0800) fTileFunc=TileFlipSH_noop;
|
||||
else fTileFunc=TileNormSH_noop;
|
||||
} else {
|
||||
if(code&0x0800) fTileFunc=TileFlip;
|
||||
else fTileFunc=TileNorm;
|
||||
|
|
@ -880,21 +782,29 @@ static void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh)
|
|||
int pal;
|
||||
int (*fTileFunc)(int sx,int addr,int pal);
|
||||
|
||||
// *(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>24)&0xf);
|
||||
// prio[31]:tile[30:17]:flipx[16]:sx[15:6]:pal[5:4]:delta_width[3:0]
|
||||
|
||||
while((code=*hc++)) {
|
||||
while ((code=*hc++))
|
||||
{
|
||||
pal=(code&0x30);
|
||||
delta=code&0xf;
|
||||
width=delta>>2; delta&=3;
|
||||
width++; delta++; // Width and height in tiles
|
||||
if (code&0x10000) delta=-delta; // Flip X
|
||||
delta<<=4;
|
||||
tile=((unsigned int)code>>17)<<1;
|
||||
tile=((unsigned int)code>>17)<<1; // also has prio
|
||||
sx=(code<<16)>>22; // sx can be negative (start offscreen), so sign extend
|
||||
|
||||
if(sh && pal == 0x30) { //
|
||||
if(code&0x10000) fTileFunc=TileFlipSH;
|
||||
else fTileFunc=TileNormSH;
|
||||
if (sh && pal == 0x30)
|
||||
{
|
||||
if (code & 0x80000000) // hi priority
|
||||
{
|
||||
if(code&0x10000) fTileFunc=TileFlipSH;
|
||||
else fTileFunc=TileNormSH;
|
||||
} else {
|
||||
if(code&0x10000) fTileFunc=TileFlipSH_onlyop_lp;
|
||||
else fTileFunc=TileNormSH_onlyop_lp;
|
||||
}
|
||||
} else {
|
||||
if(code&0x10000) fTileFunc=TileFlip;
|
||||
else fTileFunc=TileNorm;
|
||||
|
|
@ -915,12 +825,16 @@ static void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh)
|
|||
static void DrawSpritesFromCacheAS(int *hc, int maxwidth, int prio, int sh)
|
||||
{
|
||||
int code, tile, sx, delta, width;
|
||||
int pal;
|
||||
int pal, *hce, *hco;
|
||||
int (*fTileFunc)(int sx,int addr,int pal);
|
||||
|
||||
// *(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>24)&0xf);
|
||||
// prio[31]:tile[30:17]:flipx[16]:sx[15:6]:pal[5:4]:delta_width[3:0]
|
||||
|
||||
while((code=*hc++)) {
|
||||
/* walk the sprite cache backwards.. */
|
||||
hco = hce = HighCacheS_ptr;
|
||||
while (hce > hc)
|
||||
{
|
||||
code=*(--hce);
|
||||
pal=(code&0x30);
|
||||
delta=code&0xf;
|
||||
width=delta>>2; delta&=3;
|
||||
|
|
@ -930,14 +844,67 @@ static void DrawSpritesFromCacheAS(int *hc, int maxwidth, int prio, int sh)
|
|||
tile=((unsigned int)code>>17)<<1;
|
||||
sx=(code<<16)>>22; // sx can be negative (start offscreen), so sign extend
|
||||
|
||||
if(sh && pal == 0x30) { //
|
||||
if(code&0x10000) fTileFunc=TileFlipSHAS;
|
||||
else fTileFunc=TileNormSHAS;
|
||||
if (code & 0x80000000) // hi priority
|
||||
{
|
||||
if (sh && pal == 0x30)
|
||||
{
|
||||
if(code&0x10000) fTileFunc=TileFlipAS_noop;
|
||||
else fTileFunc=TileNormAS_noop;
|
||||
*(--hco) = code; /* save for later */
|
||||
} else {
|
||||
if(code&0x10000) fTileFunc=TileFlipAS;
|
||||
else fTileFunc=TileNormAS;
|
||||
}
|
||||
} else {
|
||||
if(code&0x10000) fTileFunc=TileFlipAS;
|
||||
else fTileFunc=TileNormAS;
|
||||
if(code&0x10000) fTileFunc=TileFlipAS_onlymark;
|
||||
else fTileFunc=TileNormAS_onlymark;
|
||||
}
|
||||
|
||||
pal |= 0x80;
|
||||
for (; width; width--,sx+=8,tile+=delta)
|
||||
{
|
||||
if(sx<=0) continue;
|
||||
if(sx>=328) break; // Offscreen
|
||||
|
||||
tile&=0x7fff; // Clip tile address
|
||||
fTileFunc(sx,tile,pal);
|
||||
}
|
||||
}
|
||||
|
||||
if (!sh) return;
|
||||
|
||||
/* nasty 1: remove 'sprite' flags */
|
||||
{
|
||||
int c = 320/4, *zb = (int *)(HighCol+8);
|
||||
while (c--)
|
||||
{
|
||||
*zb++ &= 0x7f7f7f7f;
|
||||
}
|
||||
}
|
||||
|
||||
/* nasty 2: loop once more and do operator colors */
|
||||
while ((code=*hco++))
|
||||
{
|
||||
pal=(code&0x30);
|
||||
if (pal != 0x30) continue;
|
||||
delta=code&0xf;
|
||||
width=delta>>2; delta&=3;
|
||||
width++; delta++;
|
||||
if (code&0x10000) delta=-delta; // Flip X
|
||||
delta<<=4;
|
||||
tile=((unsigned int)code>>17)<<1;
|
||||
sx=(code<<16)>>22;
|
||||
|
||||
if (code & 0x80000000)
|
||||
{
|
||||
if(code&0x10000) fTileFunc=TileFlipSH;
|
||||
else fTileFunc=TileNormSH;
|
||||
} else {
|
||||
if(code&0x10000) fTileFunc=TileFlipSH_onlyop_lp;
|
||||
else fTileFunc=TileNormSH_onlyop_lp;
|
||||
}
|
||||
|
||||
pal |= 0x80;
|
||||
for (; width; width--,sx+=8,tile+=delta)
|
||||
{
|
||||
if(sx<=0) continue;
|
||||
|
|
@ -950,6 +917,7 @@ static void DrawSpritesFromCacheAS(int *hc, int maxwidth, int prio, int sh)
|
|||
}
|
||||
|
||||
|
||||
|
||||
// Index + 0 : ----hhvv -lllllll -------y yyyyyyyy
|
||||
// Index + 4 : -------x xxxxxxxx pccvhnnn nnnnnnnn
|
||||
// v
|
||||
|
|
@ -1062,6 +1030,7 @@ static void DrawAllSprites(int *hcache, int maxwidth, int prio, int sh)
|
|||
if (PicoOpt & POPT_DIS_SPRITE_LIM)
|
||||
max_line_sprites = 80;
|
||||
|
||||
HighCacheS_ptr = hcache;
|
||||
ps = HighPreSpr;
|
||||
|
||||
// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size
|
||||
|
|
@ -1108,10 +1077,10 @@ static void DrawAllSprites(int *hcache, int maxwidth, int prio, int sh)
|
|||
|
||||
// Go through sprites backwards:
|
||||
for (i--; i>=0; i--)
|
||||
DrawSprite(sprites[i],&hcache,sh,n);
|
||||
DrawSprite(sprites[i],sh,n);
|
||||
|
||||
// terminate cache list
|
||||
*hcache = 0;
|
||||
*HighCacheS_ptr = 0;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1349,7 +1318,7 @@ static int DrawDisplay(int sh, int as)
|
|||
DrawWindow((win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 1, sh);
|
||||
} else
|
||||
if (HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, 328);
|
||||
DrawAllSpritesHiPri(HighCacheS, maxw, 1, sh);
|
||||
if (HighCacheS[0]) DrawAllSpritesHiPri(HighCacheS, maxw, 1, sh);
|
||||
|
||||
#if 0
|
||||
{
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue