// This is part of Pico Library\r
\r
// (c) Copyright 2004 Dave, All rights reserved.\r
-// (c) Copyright 2006 notaz, All rights reserved.\r
+// (c) Copyright 2006-2008 notaz, All rights reserved.\r
// Free for non-commercial use.\r
\r
// For commercial use, separate licencing terms must be obtained.\r
\r
+/*\r
+ * The renderer has 4 modes now:\r
+ * - normal\r
+ * - shadow/hilight (s/h)\r
+ * - "sonic mode" for midline palette changes\r
+ * - accurate sprites (AS)\r
+ *\r
+ * AS and s/h both use upper bits for both priority and shadow/hilight flags.\r
+ * "sonic mode" is autodetected, shadow/hilight is enabled by emulated game.\r
+ * AS is enabled by user and takes priority over "sonic mode".\r
+ */\r
\r
#include "PicoInt.h"\r
\r
-int (*PicoScan)(unsigned int num, void *data)=NULL;\r
+int (*PicoScanBegin)(unsigned int num) = NULL;\r
+int (*PicoScanEnd) (unsigned int num) = NULL;\r
\r
#if OVERRIDE_HIGHCOL\r
static unsigned char DefHighCol[8+320+8];\r
static int HighCacheB[41+1];\r
static int HighCacheS[80+1]; // and sprites\r
static int HighPreSpr[80*2+1]; // slightly preprocessed sprites\r
-char HighSprZ[320+8+8]; // Z-buffer for accurate sprites and shadow/hilight mode\r
- // (if bit 7 == 0, sh caused by tile; if bit 6 == 0 pixel must be shadowed, else hilighted, if bit5 == 1)\r
-// lsb->msb: moved sprites, not all window tiles use same priority, accurate sprites (copied from PicoOpt), interlace\r
-// dirty sprites, sonic mode, have layer with all hi prio tiles (mk3), layer sh/hi already processed\r
-int rendstatus;\r
-int Scanline=0; // Scanline\r
+\r
+int rendstatus = 0;\r
+int Scanline = 0; // Scanline\r
\r
static int SpriteBlocks;\r
+static int skip_next_line=0;\r
+\r
//unsigned short ppt[] = { 0x0f11, 0x0ff1, 0x01f1, 0x011f, 0x01ff, 0x0f1f, 0x0f0e, 0x0e7c };\r
\r
+static void (*DrawAllSpritesLoPri)(int *hcache, int maxwidth, int prio, int sh) = NULL;\r
+static void (*DrawAllSpritesHiPri)(int *hcache, int maxwidth, int prio, int sh) = NULL;\r
+\r
struct TileStrip\r
{\r
int nametab; // Position in VRAM of name table (for this tile line)\r
#ifdef _ASM_DRAW_C\r
void DrawWindow(int tstart, int tend, int prio, int sh);\r
void BackFill(int reg7, int sh);\r
-void DrawSprite(int *sprite, int **hc, int sh);\r
+void DrawSprite(int *sprite, int **hc, int sh, int as);\r
void DrawTilesFromCache(int *hc, int sh, int rlim);\r
-void DrawSpritesFromCache(int *hc, int sh);\r
+void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh);\r
void DrawLayer(int plane_sh, int *hcache, int cellskip, int maxcells);\r
void FinalizeLineBGR444(int sh);\r
void FinalizeLineRGB555(int sh);\r
+void *blockcpy(void *dst, const void *src, size_t n);\r
void blockcpy_or(void *dst, void *src, size_t n, int pat);\r
#else\r
// utility\r
for (; n; n--)\r
*pd++ = (unsigned char) (*ps++ | pat);\r
}\r
+#define blockcpy memcpy\r
#endif\r
\r
\r
#define sh_pix(x) \\r
if(!t); \\r
else if(t==0xe) pd[x]=(unsigned char)((pd[x]&0x3f)|0x80); /* hilight */ \\r
- else if(t==0xf) pd[x]=(unsigned char)((pd[x]&0x3f)|0xc0); /* shadow */ \\r
+ else if(t==0xf) pd[x]=(unsigned char)( pd[x] |0xc0); /* shadow */ \\r
else pd[x]=(unsigned char)(pal|t)\r
\r
#ifndef _ASM_DRAW_C\r
}\r
#endif\r
\r
-static int TileNormZ(int sx,int addr,int pal,int zval)\r
+#define tilepixelAS(mask,index,shift) \\r
+ if (!(pd[index]&0xc0)) { t=pack&mask; if (t) pd[index]=(pal|(t>>shift)); }\r
+\r
+static int TileNormAS(int sx,int addr,int pal)\r
{\r
- unsigned int pack=0; unsigned int t=0;\r
unsigned char *pd = HighCol+sx;\r
- char *zb = HighSprZ+sx;\r
- int collision = 0, zb_s;\r
+ unsigned int pack=0; unsigned int t=0;\r
\r
pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r
if (pack)\r
{\r
- t=pack&0x0000f000; if(t) { zb_s=zb[0]; if(zb_s) collision=1; if(zval>zb_s) { pd[0]=(unsigned char)(pal|(t>>12)); zb[0]=(char)zval; } }\r
- t=pack&0x00000f00; if(t) { zb_s=zb[1]; if(zb_s) collision=1; if(zval>zb_s) { pd[1]=(unsigned char)(pal|(t>> 8)); zb[1]=(char)zval; } }\r
- t=pack&0x000000f0; if(t) { zb_s=zb[2]; if(zb_s) collision=1; if(zval>zb_s) { pd[2]=(unsigned char)(pal|(t>> 4)); zb[2]=(char)zval; } }\r
- t=pack&0x0000000f; if(t) { zb_s=zb[3]; if(zb_s) collision=1; if(zval>zb_s) { pd[3]=(unsigned char)(pal|(t )); zb[3]=(char)zval; } }\r
- t=pack&0xf0000000; if(t) { zb_s=zb[4]; if(zb_s) collision=1; if(zval>zb_s) { pd[4]=(unsigned char)(pal|(t>>28)); zb[4]=(char)zval; } }\r
- t=pack&0x0f000000; if(t) { zb_s=zb[5]; if(zb_s) collision=1; if(zval>zb_s) { pd[5]=(unsigned char)(pal|(t>>24)); zb[5]=(char)zval; } }\r
- t=pack&0x00f00000; if(t) { zb_s=zb[6]; if(zb_s) collision=1; if(zval>zb_s) { pd[6]=(unsigned char)(pal|(t>>20)); zb[6]=(char)zval; } }\r
- t=pack&0x000f0000; if(t) { zb_s=zb[7]; if(zb_s) collision=1; if(zval>zb_s) { pd[7]=(unsigned char)(pal|(t>>16)); zb[7]=(char)zval; } }\r
- if(collision) Pico.video.status|=0x20;\r
+ tilepixelAS(0x0000f000, 0, 12);\r
+ tilepixelAS(0x00000f00, 1, 8);\r
+ tilepixelAS(0x000000f0, 2, 4);\r
+ tilepixelAS(0x0000000f, 3, 0);\r
+ tilepixelAS(0xf0000000, 4, 28);\r
+ tilepixelAS(0x0f000000, 5, 24);\r
+ tilepixelAS(0x00f00000, 6, 20);\r
+ tilepixelAS(0x000f0000, 7, 16);\r
return 0;\r
}\r
\r
return 1; // Tile blank\r
}\r
\r
-static int TileFlipZ(int sx,int addr,int pal,int zval)\r
+static int TileFlipAS(int sx,int addr,int pal)\r
{\r
- unsigned int pack=0; unsigned int t=0;\r
unsigned char *pd = HighCol+sx;\r
- char *zb = HighSprZ+sx;\r
- int collision = 0, zb_s;\r
+ unsigned int pack=0; unsigned int t=0;\r
\r
pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r
if (pack)\r
{\r
- t=pack&0x000f0000; if(t) { zb_s=zb[0]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[0]=(unsigned char)(pal|(t>>16)); zb[0]=(char)zval; } }\r
- t=pack&0x00f00000; if(t) { zb_s=zb[1]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[1]=(unsigned char)(pal|(t>>20)); zb[1]=(char)zval; } }\r
- t=pack&0x0f000000; if(t) { zb_s=zb[2]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[2]=(unsigned char)(pal|(t>>24)); zb[2]=(char)zval; } }\r
- t=pack&0xf0000000; if(t) { zb_s=zb[3]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[3]=(unsigned char)(pal|(t>>28)); zb[3]=(char)zval; } }\r
- t=pack&0x0000000f; if(t) { zb_s=zb[4]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[4]=(unsigned char)(pal|(t )); zb[4]=(char)zval; } }\r
- t=pack&0x000000f0; if(t) { zb_s=zb[5]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[5]=(unsigned char)(pal|(t>> 4)); zb[5]=(char)zval; } }\r
- t=pack&0x00000f00; if(t) { zb_s=zb[6]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[6]=(unsigned char)(pal|(t>> 8)); zb[6]=(char)zval; } }\r
- t=pack&0x0000f000; if(t) { zb_s=zb[7]&0x1f; if(zb_s) collision=1; if(zval>zb_s) { pd[7]=(unsigned char)(pal|(t>>12)); zb[7]=(char)zval; } }\r
- if(collision) Pico.video.status|=0x20;\r
+ tilepixelAS(0x000f0000, 0, 16);\r
+ tilepixelAS(0x00f00000, 1, 20);\r
+ tilepixelAS(0x0f000000, 2, 24);\r
+ tilepixelAS(0xf0000000, 3, 28);\r
+ tilepixelAS(0x0000000f, 4, 0);\r
+ tilepixelAS(0x000000f0, 5, 4);\r
+ tilepixelAS(0x00000f00, 6, 8);\r
+ tilepixelAS(0x0000f000, 7, 12);\r
return 0;\r
}\r
return 1; // Tile blank\r
}\r
\r
+// there is a problem with transparent hi pri tiles (on layer), it will clear high bits\r
+// and sprite tiles will be drawn needlessly. Hopefully that won't happen much..\r
+#define sh_pixAS(x) \\r
+ if(!t); \\r
+ else if(t==0xe) pd[x]=(unsigned char)((pd[x]&0x3f)|0x80); /* hilight */ \\r
+ else if(t==0xf) pd[x]=(unsigned char)( pd[x] |0xc0); /* shadow */ \\r
+ else if(!(pd[x]&0xc0)) pd[x]=(unsigned char)(pal|t)\r
\r
-#define sh_pixZ(x) \\r
- if(t) { \\r
- if(zb[x]) collision=1; \\r
- if(zval>zb[x]) { \\r
- if (t==0xe) { pd[x]=(unsigned char)((pd[x]&0x3f)|0x80); /* hilight */ } \\r
- else if(t==0xf) { pd[x]=(unsigned char)((pd[x]&0x3f)|0xc0); /* shadow */ } \\r
- else { zb[x]=(char)zval; pd[x]=(unsigned char)(pal|t); } \\r
- } \\r
- }\r
-\r
-static int TileNormZSH(int sx,int addr,int pal,int zval)\r
+static int TileNormSHAS(int sx,int addr,int pal)\r
{\r
unsigned int pack=0; unsigned int t=0;\r
unsigned char *pd = HighCol+sx;\r
- char *zb = HighSprZ+sx;\r
- int collision = 0;\r
\r
pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r
if (pack)\r
{\r
- t=(pack&0x0000f000)>>12; sh_pixZ(0);\r
- t=(pack&0x00000f00)>> 8; sh_pixZ(1);\r
- t=(pack&0x000000f0)>> 4; sh_pixZ(2);\r
- t=(pack&0x0000000f) ; sh_pixZ(3);\r
- t=(pack&0xf0000000)>>28; sh_pixZ(4);\r
- t=(pack&0x0f000000)>>24; sh_pixZ(5);\r
- t=(pack&0x00f00000)>>20; sh_pixZ(6);\r
- t=(pack&0x000f0000)>>16; sh_pixZ(7);\r
- if(collision) Pico.video.status|=0x20;\r
+ t=(pack&0x0000f000)>>12; sh_pixAS(0);\r
+ t=(pack&0x00000f00)>> 8; sh_pixAS(1);\r
+ t=(pack&0x000000f0)>> 4; sh_pixAS(2);\r
+ t=(pack&0x0000000f) ; sh_pixAS(3);\r
+ t=(pack&0xf0000000)>>28; sh_pixAS(4);\r
+ t=(pack&0x0f000000)>>24; sh_pixAS(5);\r
+ t=(pack&0x00f00000)>>20; sh_pixAS(6);\r
+ t=(pack&0x000f0000)>>16; sh_pixAS(7);\r
return 0;\r
}\r
\r
return 1; // Tile blank\r
}\r
\r
-static int TileFlipZSH(int sx,int addr,int pal,int zval)\r
+static int TileFlipSHAS(int sx,int addr,int pal)\r
{\r
unsigned int pack=0; unsigned int t=0;\r
unsigned char *pd = HighCol+sx;\r
- char *zb = HighSprZ+sx;\r
- int collision = 0;\r
\r
pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r
if (pack)\r
{\r
- t=(pack&0x000f0000)>>16; sh_pixZ(0);\r
- t=(pack&0x00f00000)>>20; sh_pixZ(1);\r
- t=(pack&0x0f000000)>>24; sh_pixZ(2);\r
- t=(pack&0xf0000000)>>28; sh_pixZ(3);\r
- t=(pack&0x0000000f) ; sh_pixZ(4);\r
- t=(pack&0x000000f0)>> 4; sh_pixZ(5);\r
- t=(pack&0x00000f00)>> 8; sh_pixZ(6);\r
- t=(pack&0x0000f000)>>12; sh_pixZ(7);\r
- if(collision) Pico.video.status|=0x20;\r
+ t=(pack&0x000f0000)>>16; sh_pixAS(0);\r
+ t=(pack&0x00f00000)>>20; sh_pixAS(1);\r
+ t=(pack&0x0f000000)>>24; sh_pixAS(2);\r
+ t=(pack&0xf0000000)>>28; sh_pixAS(3);\r
+ t=(pack&0x0000000f) ; sh_pixAS(4);\r
+ t=(pack&0x000000f0)>> 4; sh_pixAS(5);\r
+ t=(pack&0x00000f00)>> 8; sh_pixAS(6);\r
+ t=(pack&0x0000f000)>>12; sh_pixAS(7);\r
return 0;\r
}\r
return 1; // Tile blank\r
}\r
\r
+\r
// --------------------------------------------\r
\r
#ifndef _ASM_DRAW_C\r
// terminate the cache list\r
*ts->hc = 0;\r
// if oldcode wasn't changed, it means all layer is hi priority\r
- if (oldcode == -1) rendstatus|=0x40;\r
+ if (oldcode == -1) rendstatus |= PDRAW_PLANE_HI_PRIO;\r
}\r
\r
// this is messy\r
\r
// terminate the cache list\r
*ts->hc = 0;\r
- if (oldcode == -1) rendstatus|=0x40;\r
+ if (oldcode == -1) rendstatus |= PDRAW_PLANE_HI_PRIO;\r
}\r
#endif\r
\r
\r
ty=(Scanline&7)<<1; // Y-Offset into tile\r
\r
- if(!(rendstatus&2)) {\r
+ if (!(rendstatus & PDRAW_WND_DIFF_PRIO)) {\r
// check the first tile code\r
code=Pico.vram[nametab+tilex];\r
// if the whole window uses same priority (what is often the case), we may be able to skip this field\r
- if((code>>15) != prio) return;\r
+ if ((code>>15) != prio) return;\r
}\r
\r
// Draw tiles across screen:\r
- for (; tilex < tend; tilex++)\r
+ if (!sh)\r
{\r
- int addr=0,zero=0;\r
- int pal;\r
+ for (; tilex < tend; tilex++)\r
+ {\r
+ int addr=0,zero=0;\r
+ int pal;\r
+\r
+ code=Pico.vram[nametab+tilex];\r
+ if (code==blank) continue;\r
+ if ((code>>15) != prio) {\r
+ rendstatus |= PDRAW_WND_DIFF_PRIO;\r
+ continue;\r
+ }\r
\r
- code=Pico.vram[nametab+tilex];\r
- if(code==blank) continue;\r
- if((code>>15) != prio) {\r
- rendstatus|=2;\r
- continue;\r
+ pal=((code>>9)&0x30);\r
+\r
+ // Get tile address/2:\r
+ addr=(code&0x7ff)<<4;\r
+ if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip\r
+\r
+ if (code&0x0800) zero=TileFlip(8+(tilex<<3),addr,pal);\r
+ else zero=TileNorm(8+(tilex<<3),addr,pal);\r
+\r
+ if (zero) blank=code; // We know this tile is blank now\r
}\r
+ }\r
+ else\r
+ {\r
+ for (; tilex < tend; tilex++)\r
+ {\r
+ int addr=0,zero=0;\r
+ int pal, tmp, *zb;\r
+\r
+ code=Pico.vram[nametab+tilex];\r
+ if(code==blank) continue;\r
+ if((code>>15) != prio) {\r
+ rendstatus |= PDRAW_WND_DIFF_PRIO;\r
+ continue;\r
+ }\r
\r
- pal=((code>>9)&0x30);\r
+ pal=((code>>9)&0x30);\r
\r
- if(sh) {\r
- int tmp, *zb = (int *)(HighCol+8+(tilex<<3));\r
+ zb = (int *)(HighCol+8+(tilex<<3));\r
if(prio) {\r
tmp = *zb;\r
if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;\r
} else {\r
pal |= 0x40;\r
}\r
- }\r
\r
- // Get tile address/2:\r
- addr=(code&0x7ff)<<4;\r
- if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip\r
+ // Get tile address/2:\r
+ addr=(code&0x7ff)<<4;\r
+ if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip\r
\r
- if (code&0x0800) zero=TileFlip(8+(tilex<<3),addr,pal);\r
- else zero=TileNorm(8+(tilex<<3),addr,pal);\r
+ if (code&0x0800) zero=TileFlip(8+(tilex<<3),addr,pal);\r
+ else zero=TileNorm(8+(tilex<<3),addr,pal);\r
\r
- if (zero) blank=code; // We know this tile is blank now\r
+ if (zero) blank=code; // We know this tile is blank now\r
+ }\r
}\r
-\r
- // terminate the cache list\r
- //*hcache = 0;\r
}\r
\r
// --------------------------------------------\r
\r
+static void DrawTilesFromCacheShPrep(void)\r
+{\r
+ // as some layer has covered whole line with hi priority tiles,\r
+ // we can process whole line and then act as if sh/hi mode was off.\r
+ int c = 320/4, *zb = (int *)(HighCol+8);\r
+ rendstatus |= PDRAW_SHHI_DONE;\r
+ while (c--)\r
+ {\r
+ int tmp = *zb;\r
+ if (!(tmp & 0x80808080)) *zb=tmp&0x3f3f3f3f;\r
+ else {\r
+ if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;\r
+ if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;\r
+ *zb=tmp;\r
+ }\r
+ zb++;\r
+ }\r
+}\r
+\r
static void DrawTilesFromCache(int *hc, int sh, int rlim)\r
{\r
int code, addr, dx;\r
\r
// *ts->hc++ = code | (dx<<16) | (ty<<25); // cache it\r
\r
- if (sh && (rendstatus&0xc0))\r
+ if (sh && (rendstatus & (PDRAW_SHHI_DONE|PDRAW_PLANE_HI_PRIO)))\r
{\r
- if (!(rendstatus&0x80))\r
- {\r
- // as some layer has covered whole line with hi priority tiles,\r
- // we can process whole line and then act as if sh/hi mode was off.\r
- rendstatus|=0x80;\r
- int c = 320/4, *zb = (int *)(HighCol+8);\r
- while (c--)\r
- {\r
- int tmp = *zb;\r
- if (!(tmp & 0x80808080)) *zb=tmp&0x3f3f3f3f;\r
- else {\r
- if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;\r
- if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;\r
- *zb=tmp;\r
- }\r
- zb++;\r
- }\r
- }\r
+ if (!(rendstatus & PDRAW_SHHI_DONE))\r
+ DrawTilesFromCacheShPrep();\r
sh = 0;\r
}\r
\r
- if (sh)\r
+ if (!sh)\r
{\r
+ short blank=-1; // The tile we know is blank\r
while ((code=*hc++)) {\r
- unsigned char *zb;\r
+ int zero;\r
+ if((short)code == blank) continue;\r
// Get tile address/2:\r
addr=(code&0x7ff)<<4;\r
addr+=(unsigned int)code>>25; // y offset into tile\r
dx=(code>>16)&0x1ff;\r
- zb = HighCol+dx;\r
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
\r
pal=((code>>9)&0x30);\r
if (rlim-dx < 0) goto last_cut_tile;\r
\r
- if (code&0x0800) TileFlip(dx,addr,pal);\r
- else TileNorm(dx,addr,pal);\r
+ if (code&0x0800) zero=TileFlip(dx,addr,pal);\r
+ else zero=TileNorm(dx,addr,pal);\r
+\r
+ if (zero) blank=(short)code;\r
}\r
}\r
else\r
{\r
- short blank=-1; // The tile we know is blank\r
while ((code=*hc++)) {\r
- int zero;\r
- if((short)code == blank) continue;\r
+ unsigned char *zb;\r
// Get tile address/2:\r
addr=(code&0x7ff)<<4;\r
addr+=(unsigned int)code>>25; // y offset into tile\r
dx=(code>>16)&0x1ff;\r
+ zb = HighCol+dx;\r
+ if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
+ if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
+ if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
+ if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;\r
\r
pal=((code>>9)&0x30);\r
if (rlim-dx < 0) goto last_cut_tile;\r
\r
- if (code&0x0800) zero=TileFlip(dx,addr,pal);\r
- else zero=TileNorm(dx,addr,pal);\r
-\r
- if (zero) blank=(short)code;\r
+ if (code&0x0800) TileFlip(dx,addr,pal);\r
+ else TileNorm(dx,addr,pal);\r
}\r
}\r
return;\r
// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size\r
// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
\r
-static void DrawSprite(int *sprite, int **hc, int sh)\r
+static void DrawSprite(int *sprite, int **hc, int sh, int as)\r
{\r
int width=0,height=0;\r
int row=0,code=0;\r
\r
tile<<=4; tile+=(row&7)<<1; // Tile address\r
\r
- if(code&0x8000) { // high priority - cache it\r
+ if (code&0x8000) { // high priority - cache it\r
*(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>16)&0xf);\r
- } else {\r
- delta<<=4; // Delta of address\r
- pal=((code>>9)&0x30)|(sh<<6);\r
-\r
- if(sh && (code&0x6000) == 0x6000) {\r
- if(code&0x0800) fTileFunc=TileFlipSH;\r
- else fTileFunc=TileNormSH;\r
- } else {\r
- if(code&0x0800) fTileFunc=TileFlip;\r
- else fTileFunc=TileNorm;\r
- }\r
-\r
- for (; width; width--,sx+=8,tile+=delta)\r
- {\r
- if(sx<=0) continue;\r
- if(sx>=328) break; // Offscreen\r
-\r
- tile&=0x7fff; // Clip tile address\r
- fTileFunc(sx,tile,pal);\r
- }\r
+ // we need all for accurate sprites, cached will be used to recover ones overwritten by high layer\r
+ if (!as) return;\r
}\r
-}\r
-#endif\r
-\r
\r
-// Index + 0 : hhhhvvvv s---hhvv yyyyyyyy yyyyyyyy // s: skip flag, h: horiz. size\r
-// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
-\r
-static void DrawSpriteZ(int pack, int pack2, int shpri, int sprio)\r
-{\r
- int width=0,height=0;\r
- int row=0;\r
- int pal;\r
- int tile=0,delta=0;\r
- int sx, sy;\r
- int (*fTileFunc)(int sx,int addr,int pal,int zval);\r
-\r
- // parse the sprite data\r
- sx=pack2>>16; // X\r
- sy=(pack <<16)>>16; // Y\r
- width=pack>>28;\r
- height=(pack>>24)&7; // Width and height in tiles\r
-\r
- row=Scanline-sy; // Row of the sprite we are on\r
-\r
- if (pack2&0x1000) row=(height<<3)-1-row; // Flip Y\r
-\r
- tile=pack2&0x7ff; // Tile number\r
- tile+=row>>3; // Tile number increases going down\r
- delta=height; // Delta to increase tile by going right\r
- if (pack2&0x0800) { tile+=delta*(width-1); delta=-delta; } // Flip X\r
-\r
- tile<<=4; tile+=(row&7)<<1; // Tile address\r
delta<<=4; // Delta of address\r
- pal=((pack2>>9)&0x30);\r
- if((shpri&1)&&!(shpri&2)) pal|=0x40;\r
-\r
- shpri&=1;\r
- if((pack2&0x6000) != 0x6000) shpri = 0;\r
- shpri |= (pack2&0x0800)>>10;\r
- switch(shpri) {\r
- default:\r
- case 0: fTileFunc=TileNormZ; break;\r
- case 1: fTileFunc=TileNormZSH; break;\r
- case 2: fTileFunc=TileFlipZ; break;\r
- case 3: fTileFunc=TileFlipZSH; break;\r
+ pal=((code>>9)&0x30)|((sh|as)<<6);\r
+\r
+ if (sh && (code&0x6000) == 0x6000) {\r
+ if(code&0x0800) fTileFunc=TileFlipSH;\r
+ else fTileFunc=TileNormSH;\r
+ } else {\r
+ if(code&0x0800) fTileFunc=TileFlip;\r
+ else fTileFunc=TileNorm;\r
}\r
\r
for (; width; width--,sx+=8,tile+=delta)\r
if(sx>=328) break; // Offscreen\r
\r
tile&=0x7fff; // Clip tile address\r
- fTileFunc(sx,tile,pal,sprio);\r
+ fTileFunc(sx,tile,pal);\r
}\r
}\r
+#endif\r
\r
static void DrawSpriteInterlace(unsigned int *sprite)\r
{\r
}\r
\r
\r
-static void DrawAllSpritesInterlace(int pri, int maxwidth)\r
+static void DrawAllSpritesInterlace(int *hcache, int maxwidth, int pri, int sh)\r
{\r
struct PicoVideo *pvid=&Pico.video;\r
int i,u,table,link=0,sline=Scanline<<1;\r
\r
\r
#ifndef _ASM_DRAW_C\r
-static void DrawSpritesFromCache(int *hc, int sh)\r
+static void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh)\r
{\r
int code, tile, sx, delta, width;\r
int pal;\r
}\r
#endif\r
\r
+static void DrawSpritesFromCacheAS(int *hc, int maxwidth, int prio, int sh)\r
+{\r
+ int code, tile, sx, delta, width;\r
+ int pal;\r
+ int (*fTileFunc)(int sx,int addr,int pal);\r
+\r
+ // *(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>24)&0xf);\r
+\r
+ while((code=*hc++)) {\r
+ pal=(code&0x30);\r
+ delta=code&0xf;\r
+ width=delta>>2; delta&=3;\r
+ width++; delta++; // Width and height in tiles\r
+ if (code&0x10000) delta=-delta; // Flip X\r
+ delta<<=4;\r
+ tile=((unsigned int)code>>17)<<1;\r
+ sx=(code<<16)>>22; // sx can be negative (start offscreen), so sign extend\r
+\r
+ if(sh && pal == 0x30) { //\r
+ if(code&0x10000) fTileFunc=TileFlipSHAS;\r
+ else fTileFunc=TileNormSHAS;\r
+ } else {\r
+ if(code&0x10000) fTileFunc=TileFlipAS;\r
+ else fTileFunc=TileNormAS;\r
+ }\r
+\r
+ for (; width; width--,sx+=8,tile+=delta)\r
+ {\r
+ if(sx<=0) continue;\r
+ if(sx>=328) break; // Offscreen\r
+\r
+ tile&=0x7fff; // Clip tile address\r
+ fTileFunc(sx,tile,pal);\r
+ }\r
+ }\r
+}\r
+\r
\r
// Index + 0 : ----hhvv -lllllll -------y yyyyyyyy\r
// Index + 4 : -------x xxxxxxxx pccvhnnn nnnnnnnn\r
hv = (code>>24)&0xf;\r
height = (hv&3)+1;\r
\r
- if(sy > 240 || sy + (height<<3) <= 0) skip|=1<<22;\r
+ if (sy > 240 || sy + (height<<3) <= 0) skip|=1<<22; // sprite offscreen (completely, y)\r
\r
width = (hv>>2)+1;\r
code2 = sprite[1];\r
sx -= 0x78; // Get X coordinate + 8\r
sx_min = 8-(width<<3);\r
\r
- if((sx <= sx_min && sx >= -0x76) || sx >= 328) skip|=1<<23;\r
+ if ((sx <= sx_min && sx >= -0x76) || sx >= 328) skip|=1<<23; // offscreen x\r
else if (sx > sx_min && !skip) {\r
int sbl = (2<<height)-1;\r
int shi = sy>>3;\r
static void DrawAllSprites(int *hcache, int maxwidth, int prio, int sh)\r
{\r
int i,u,n;\r
- int sx1seen=0; // sprite with x coord 1 or 0 seen\r
+ int sx1seen = 0; // sprite with x coord 1 or 0 seen\r
int ntiles = 0; // tile counter for sprite limit emulation\r
int *sprites[40]; // Sprites to draw in fast mode\r
- int *ps, pack, rs = rendstatus, scan=Scanline;\r
+ int max_line_sprites = 20; // 20 sprites, 40 tiles\r
+ int *ps, pack, rs = rendstatus, scan = Scanline;\r
\r
- if(rs&8) {\r
- DrawAllSpritesInterlace(prio, maxwidth);\r
- return;\r
- }\r
- if(rs&0x11) {\r
+ if (rs & (PDRAW_SPRITES_MOVED|PDRAW_DIRTY_SPRITES)) {\r
//dprintf("PrepareSprites(%i) [%i]", (rs>>4)&1, scan);\r
- PrepareSprites(rs&0x10);\r
- rendstatus=rs&~0x11;\r
+ PrepareSprites(rs & PDRAW_DIRTY_SPRITES);\r
+ rendstatus = rs & ~(PDRAW_SPRITES_MOVED|PDRAW_DIRTY_SPRITES);\r
}\r
- if (!(SpriteBlocks & (1<<(scan>>3)))) return;\r
+ if (!(SpriteBlocks & (1<<(scan>>3)))) { *hcache = 0; return; }\r
\r
- if(((rs&4)||sh)&&prio==0)\r
- memset(HighSprZ, 0, 328);\r
- if(!(rs&4)&&prio) {\r
- if(hcache[0]) DrawSpritesFromCache(hcache, sh);\r
- return;\r
- }\r
+ if (PicoOpt & POPT_DIS_SPRITE_LIM)\r
+ max_line_sprites = 80;\r
\r
ps = HighPreSpr;\r
\r
// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size\r
// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
\r
- for(i=u=n=0; (pack = *ps) && n < 20; ps+=2, u++)\r
+ for (i=u=n=0; (pack = *ps) && n < max_line_sprites; ps+=2, u++)\r
{\r
int sx, sy, row, pack2;\r
\r
- if(pack & 0x00400000) continue;\r
+ if (pack & 0x00400000) continue;\r
\r
// get sprite info\r
pack2 = *(ps+1);\r
sy = (pack <<16)>>16;\r
row = scan-sy;\r
\r
- //dprintf("x: %i y: %i %ix%i", sx, sy, (pack>>28)<<3, (pack>>21)&0x38);\r
+ // elprintf(EL_ANOMALY, "x: %4i y: %4i p %i %ix%i", sx, sy, (pack2>>15)&1, (pack>>28)<<3, (pack>>21)&0x38);\r
\r
- if(sx == -0x77) sx1seen|=1; // for masking mode 2\r
+ if (sx == -0x77) sx1seen|=1; // for masking mode 2\r
\r
// check if it is on this line\r
- if(row < 0 || row >= ((pack>>21)&0x38)) continue; // no\r
- n++; // number of sprites on this line (both visible and hidden, max is 20) [broken]\r
-\r
- // sprite limit\r
- ntiles += pack>>28;\r
- if(ntiles > 40) break;\r
-\r
- if(pack & 0x00800000) continue;\r
+ if (row < 0 || row >= ((pack>>21)&0x38)) continue; // no\r
\r
// masking sprite?\r
- if(sx == -0x78) {\r
- if(!(sx1seen&1) || sx1seen==3) {\r
- break; // this sprite is not drawn and remaining sprites are masked\r
- }\r
- if((sx1seen>>8) == 0) sx1seen=(i+1)<<8;\r
- continue;\r
- }\r
- else if(sx == -0x77) {\r
- // masking mode2 (Outrun, Galaxy Force II, Shadow of the beast)\r
- if(sx1seen>>8) { i=(sx1seen>>8)-1; break; } // seen both 0 and 1\r
- sx1seen |= 2;\r
+ if (sx == -0x78) {\r
+ if (n > 0) break; // masked\r
continue;\r
}\r
\r
- // accurate sprites\r
- //dprintf("P:%i",((sx>>15)&1));\r
- if(rs&4) {\r
- // might need to skip this sprite\r
- if((pack2&0x8000) ^ (prio<<15)) continue;\r
- DrawSpriteZ(pack,pack2,sh|(prio<<1),(char)(0x1f-n));\r
- continue;\r
- }\r
+ n++; // number of sprites on this line (both visible and hidden, except of x=0)\r
+\r
+ // sprite limit\r
+ ntiles += pack>>28;\r
+ if (ntiles > max_line_sprites*2) break;\r
+\r
+ if (pack & 0x00800000) continue;\r
\r
// sprite is good, save it's pointer\r
sprites[i++]=ps;\r
}\r
\r
+ n = (rs & PDRAW_ACC_SPRITES) ? 1 : 0;\r
+\r
// Go through sprites backwards:\r
- if(!(rs&4)) {\r
- for (i--; i>=0; i--)\r
- DrawSprite(sprites[i],&hcache,sh);\r
+ for (i--; i>=0; i--)\r
+ DrawSprite(sprites[i],&hcache,sh,n);\r
\r
- // terminate cache list\r
- *hcache = 0;\r
- }\r
+ // terminate cache list\r
+ *hcache = 0;\r
}\r
\r
\r
unsigned short *pd=DrawLineDest;\r
unsigned char *ps=HighCol+8;\r
unsigned short *pal=Pico.cram;\r
- int len, i, t;\r
+ int len, i, t, mask=0xff;\r
\r
if (Pico.video.reg[12]&1) {\r
len = 320;\r
} else {\r
- if(!(PicoOpt&0x100)) pd+=32;\r
+ if(!(PicoOpt&POPT_DIS_32C_BORDER)) pd+=32;\r
len = 256;\r
}\r
\r
}\r
}\r
\r
+ if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ mask=0x3f; // accurate sprites\r
+\r
for(i = 0; i < len; i++)\r
- pd[i] = pal[ps[i]];\r
+ pd[i] = pal[ps[i] & mask];\r
}\r
\r
\r
if (Pico.video.reg[12]&1) {\r
len = 320;\r
} else {\r
- if (!(PicoOpt&0x100)) pd+=32;\r
+ if (!(PicoOpt&POPT_DIS_32C_BORDER)) pd+=32;\r
len = 256;\r
}\r
\r
+ {\r
#ifndef PSP\r
- for (i = 0; i < len; i++)\r
- pd[i] = pal[ps[i]];\r
+ int mask=0xff;\r
+ if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ mask=0x3f; // accurate sprites, upper bits are priority stuff\r
+\r
+ for (i = 0; i < len; i++)\r
+ pd[i] = pal[ps[i] & mask];\r
#else\r
- {\r
extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);\r
- amips_clut(pd, ps, pal, len);\r
- }\r
+ extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);\r
+ if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ amips_clut_6bit(pd, ps, pal, len);\r
+ else amips_clut(pd, ps, pal, len);\r
#endif\r
+ }\r
}\r
#endif\r
\r
int len, rs = rendstatus;\r
static int dirty_count;\r
\r
- if (!sh && Pico.m.dirtyPal == 1 && Scanline < 222) {\r
+ if (!sh && !(rs & PDRAW_ACC_SPRITES) && Pico.m.dirtyPal == 1 && Scanline < 222)\r
+ {\r
// a hack for mid-frame palette changes\r
- if (!(rs & 0x20))\r
+ if (!(rs & PDRAW_SONIC_MODE))\r
dirty_count = 1;\r
else dirty_count++;\r
- rs |= 0x20;\r
+ rs |= PDRAW_SONIC_MODE;\r
rendstatus = rs;\r
if (dirty_count == 3) {\r
blockcpy(HighPal, Pico.cram, 0x40*2);\r
if (Pico.video.reg[12]&1) {\r
len = 320;\r
} else {\r
- if(!(PicoOpt&0x100)) pd+=32;\r
+ if (!(PicoOpt&POPT_DIS_32C_BORDER)) pd+=32;\r
len = 256;\r
}\r
\r
- if (!sh && rs & 0x20) {\r
+ if (!sh && (rs & PDRAW_SONIC_MODE)) {\r
if (dirty_count >= 11) {\r
blockcpy_or(pd, HighCol+8, len, 0x80);\r
} else {\r
\r
static void (*FinalizeLine)(int sh) = FinalizeLineBGR444;\r
\r
+// hblank was enabled early during prev line processng -\r
+// it should have been blanked\r
+static void handle_early_blank(int scanline, int sh)\r
+{\r
+ scanline--;\r
+\r
+ if (PicoScanBegin != NULL)\r
+ PicoScanBegin(scanline);\r
+\r
+ BackFill(Pico.video.reg[7], sh);\r
+\r
+ if (FinalizeLine != NULL)\r
+ FinalizeLine(sh);\r
+\r
+ if (PicoScanEnd != NULL)\r
+ PicoScanEnd(scanline);\r
+}\r
+\r
// --------------------------------------------\r
\r
-static int DrawDisplay(int sh)\r
+static int DrawDisplay(int sh, int as)\r
{\r
struct PicoVideo *pvid=&Pico.video;\r
int win=0,edge=0,hvwind=0;\r
int maxw, maxcells;\r
\r
- rendstatus&=~0xc0;\r
+ rendstatus &= ~(PDRAW_SHHI_DONE|PDRAW_PLANE_HI_PRIO);\r
\r
if(pvid->reg[12]&1) {\r
maxw = 328; maxcells = 40;\r
}\r
}\r
\r
- DrawLayer(1|(sh<<1), HighCacheB, 0, maxcells);\r
+ DrawLayer(1|((sh|as)<<1), HighCacheB, 0, maxcells);\r
if (hvwind == 1)\r
- DrawWindow(0, maxcells>>1, 0, sh);\r
+ DrawWindow(0, maxcells>>1, 0, sh|as);\r
else if (hvwind == 2) {\r
// ahh, we have vertical window\r
- DrawLayer(0|(sh<<1), HighCacheA, (win&0x80) ? 0 : edge<<1, (win&0x80) ? edge<<1 : maxcells);\r
- DrawWindow( (win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 0, sh);\r
+ DrawLayer(0|((sh|as)<<1), HighCacheA, (win&0x80) ? 0 : edge<<1, (win&0x80) ? edge<<1 : maxcells);\r
+ DrawWindow( (win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 0, sh|as);\r
} else\r
- DrawLayer(0|(sh<<1), HighCacheA, 0, maxcells);\r
- DrawAllSprites(HighCacheS, maxw, 0, sh);\r
+ DrawLayer(0|((sh|as)<<1), HighCacheA, 0, maxcells);\r
+ DrawAllSpritesLoPri(HighCacheS, maxw, 0, sh);\r
\r
if (HighCacheB[0]) DrawTilesFromCache(HighCacheB, sh, 328);\r
if (hvwind == 1)\r
DrawWindow((win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 1, sh);\r
} else\r
if (HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, 328);\r
- DrawAllSprites(HighCacheS, maxw, 1, sh);\r
+ DrawAllSpritesHiPri(HighCacheS, maxw, 1, sh);\r
\r
#if 0\r
{\r
}\r
\r
\r
-static int Skip=0;\r
-\r
PICO_INTERNAL void PicoFrameStart(void)\r
{\r
// prepare to do this frame\r
- rendstatus = (PicoOpt&0x80)>>5; // accurate sprites\r
- if(rendstatus)\r
- Pico.video.status &= ~0x0020;\r
- else Pico.video.status |= 0x0020; // sprite collision\r
- if((Pico.video.reg[12]&6) == 6) rendstatus |= 8; // interlace mode\r
- if(Pico.m.dirtyPal) Pico.m.dirtyPal = 2; // reset dirty if needed\r
+ rendstatus = (PicoOpt&0x80)>>5; // accurate sprites, clear everything else\r
+ if ((Pico.video.reg[12]&6) == 6) {\r
+ rendstatus |= PDRAW_INTERLACE; // interlace mode\r
+ DrawAllSpritesLoPri = DrawAllSpritesInterlace;\r
+ DrawAllSpritesHiPri = DrawAllSpritesInterlace;\r
+ }\r
+ else\r
+ {\r
+ DrawAllSpritesLoPri = DrawAllSprites;\r
+ DrawAllSpritesHiPri = rendstatus ? DrawSpritesFromCacheAS : DrawSpritesFromCache;\r
+ }\r
+\r
+ if (Pico.m.dirtyPal) Pico.m.dirtyPal = 2; // reset dirty if needed\r
\r
PrepareSprites(1);\r
- Skip=0;\r
+ skip_next_line=0;\r
}\r
\r
PICO_INTERNAL int PicoLine(int scan)\r
{\r
- int sh;\r
- if (Skip>0) { Skip--; return 0; } // Skip rendering lines\r
+ int sh, as = 0;\r
+ if (skip_next_line>0) { skip_next_line--; return 0; } // skip_next_line rendering lines\r
\r
Scanline=scan;\r
sh=(Pico.video.reg[0xC]&8)>>3; // shadow/hilight?\r
+ if (rendstatus & PDRAW_ACC_SPRITES) as|=1; // accurate sprites\r
+\r
+ if (rendstatus & PDRAW_EARLY_BLANK) {\r
+ if (scan > 0) handle_early_blank(scan, sh);\r
+ rendstatus &= ~PDRAW_EARLY_BLANK;\r
+ }\r
+\r
+ if (PicoScanBegin != NULL)\r
+ skip_next_line = PicoScanBegin(scan);\r
\r
// Draw screen:\r
- BackFill(Pico.video.reg[7], sh);\r
+ BackFill(Pico.video.reg[7], sh|as);\r
if (Pico.video.reg[1]&0x40)\r
- DrawDisplay(sh);\r
+ DrawDisplay(sh, as);\r
\r
if (FinalizeLine != NULL)\r
FinalizeLine(sh);\r
\r
- Skip=PicoScan(Scanline,DrawLineDest);\r
+ if (PicoScanEnd != NULL)\r
+ PicoScanEnd(scan);\r
\r
return 0;\r
}\r
notaz.gp2x.de / picodrive.git / blobdiff