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renderer patch for DBZ - Buyuu Retsuden

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@240 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-08 15:04:39 +00:00
parent 7969166ef6
commit 7a7c6476f3
2 changed files with 130 additions and 60 deletions
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70
Pico/Draw.c
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@ -46,7 +46,7 @@ struct TileStrip
void DrawWindow(int tstart, int tend, int prio, int sh);
void BackFill(int reg7, int sh);
void DrawSprite(int *sprite, int **hc, int sh);
void DrawTilesFromCache(int *hc, int sh);
void DrawTilesFromCache(int *hc, int sh, int rlim);
void DrawSpritesFromCache(int *hc, int sh);
void DrawLayer(int plane, int *hcache, int maxcells, int sh);
void FinalizeLineBGR444(int sh);
@ -579,7 +579,7 @@ static void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
// --------------------------------------------
static void DrawTilesFromCache(int *hc, int sh)
static void DrawTilesFromCache(int *hc, int sh, int rlim)
{
int code, addr, dx;
int pal;
@ -611,7 +611,7 @@ static void DrawTilesFromCache(int *hc, int sh)
if (sh)
{
while((code=*hc++)) {
while ((code=*hc++)) {
unsigned char *zb;
// Get tile address/2:
addr=(code&0x7ff)<<4;
@ -624,6 +624,7 @@ static void DrawTilesFromCache(int *hc, int sh)
if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
pal=((code>>9)&0x30);
if (rlim-dx < 0) goto last_cut_tile;
if (code&0x0800) TileFlip(dx,addr,pal);
else TileNorm(dx,addr,pal);
@ -632,7 +633,7 @@ static void DrawTilesFromCache(int *hc, int sh)
else
{
short blank=-1; // The tile we know is blank
while((code=*hc++)) {
while ((code=*hc++)) {
int zero;
if((short)code == blank) continue;
// Get tile address/2:
@ -641,11 +642,48 @@ static void DrawTilesFromCache(int *hc, int sh)
dx=(code>>16)&0x1ff;
pal=((code>>9)&0x30);
if (rlim-dx < 0) goto last_cut_tile;
if (code&0x0800) zero=TileFlip(dx,addr,pal);
else zero=TileNorm(dx,addr,pal);
if(zero) blank=(short)code;
if (zero) blank=(short)code;
}
}
return;
last_cut_tile:
{
unsigned int t, pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
unsigned char *pd = HighCol+dx;
if (!pack) return;
if (code&0x0800)
{
switch (rlim-dx+8)
{
case 7: t=pack&0x00000f00; if (t) pd[6]=(unsigned char)(pal|(t>> 8)); // "break" is left out intentionally
case 6: t=pack&0x000000f0; if (t) pd[5]=(unsigned char)(pal|(t>> 4));
case 5: t=pack&0x0000000f; if (t) pd[4]=(unsigned char)(pal|(t ));
case 4: t=pack&0xf0000000; if (t) pd[3]=(unsigned char)(pal|(t>>28));
case 3: t=pack&0x0f000000; if (t) pd[2]=(unsigned char)(pal|(t>>24));
case 2: t=pack&0x00f00000; if (t) pd[1]=(unsigned char)(pal|(t>>20));
case 1: t=pack&0x000f0000; if (t) pd[0]=(unsigned char)(pal|(t>>16));
default: break;
}
}
else
{
switch (rlim-dx+8)
{
case 7: t=pack&0x00f00000; if (t) pd[6]=(unsigned char)(pal|(t>>20));
case 6: t=pack&0x0f000000; if (t) pd[5]=(unsigned char)(pal|(t>>24));
case 5: t=pack&0xf0000000; if (t) pd[4]=(unsigned char)(pal|(t>>28));
case 4: t=pack&0x0000000f; if (t) pd[3]=(unsigned char)(pal|(t ));
case 3: t=pack&0x000000f0; if (t) pd[2]=(unsigned char)(pal|(t>> 4));
case 2: t=pack&0x00000f00; if (t) pd[1]=(unsigned char)(pal|(t>> 8));
case 1: t=pack&0x0000f000; if (t) pd[0]=(unsigned char)(pal|(t>>12));
default: break;
}
}
}
}
@ -1246,23 +1284,23 @@ static int DrawDisplay(int sh)
if (win&0x80) { if (Scanline>=edge) hvwind=1; }
else { if (Scanline< edge) hvwind=1; }
if(!hvwind) { // we might have a vertical window here
if (!hvwind) { // we might have a vertical window here
win=pvid->reg[0x11];
edge=win&0x1f;
if(win&0x80) {
if(!edge) hvwind=1;
if (win&0x80) {
if (!edge) hvwind=1;
else if(edge < (maxcells>>1)) hvwind=2;
} else {
if(!edge);
if (!edge);
else if(edge < (maxcells>>1)) hvwind=2;
else hvwind=1;
}
}
DrawLayer(1, HighCacheB, maxcells, sh);
if(hvwind == 1)
if (hvwind == 1)
DrawWindow(0, maxcells>>1, 0, sh); // HighCacheAW
else if(hvwind == 2) {
else if (hvwind == 2) {
// ahh, we have vertical window
DrawLayer(0, HighCacheA, (win&0x80) ? edge<<1 : maxcells, sh);
DrawWindow((win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 0, sh); // HighCacheW
@ -1270,14 +1308,14 @@ static int DrawDisplay(int sh)
DrawLayer(0, HighCacheA, maxcells, sh);
DrawAllSprites(HighCacheS, maxw, 0, sh);
if(HighCacheB[0]) DrawTilesFromCache(HighCacheB, sh);
if(hvwind == 1)
if (HighCacheB[0]) DrawTilesFromCache(HighCacheB, sh, 328);
if (hvwind == 1)
DrawWindow(0, maxcells>>1, 1, sh);
else if(hvwind == 2) {
if(HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh);
else if (hvwind == 2) {
if(HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, (win&0x80) ? edge<<4 : 0);
DrawWindow((win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 1, sh);
} else
if(HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh);
if (HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, 328);
DrawAllSprites(HighCacheS, maxw, 1, sh);
#if 0