Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-24 09:20:02 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

implementation of tile-sprite priorities in bomblord and dynablsb

Browse Source
This commit is contained in:
Roberto Zandona 2008-06-09 18:23:38 +00:00
parent cfab49b884
commit dfaba61bfc
1 changed files with 21 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/mame/video/m90.c
View File

@ -186,10 +186,17 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectan
static void bomblord_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect)
{
int offs = 0;
int offs = 0, last_sprite = 0;
int x,y,sprite,colour,fx,fy;
while ((offs < spriteram_size/2) & (spriteram16[offs+0] != 0x8000))
{
last_sprite = offs;
offs += 4;
}
for (offs = last_sprite; offs >= 0; offs -= 4)
{
sprite = spriteram16[offs+1];
colour = (spriteram16[offs+2] >> 9) & 0x0f;
@ -203,22 +210,28 @@ static void bomblord_draw_sprites(running_machine *machine, bitmap_t *bitmap,con
fx = (spriteram16[offs+3] >> 8) & 0x02;
fy = (spriteram16[offs+2] >> 8) & 0x80;
drawgfx(bitmap,machine->gfx[1],
pdrawgfx(bitmap,machine->gfx[1],
sprite,
colour,
fx,fy,
x,y,
cliprect,TRANSPARENCY_PEN,0);
offs += 4;
cliprect,TRANSPARENCY_PEN,0,
(colour & 0x08) ? 0x00 : 0x02);
}
}
static void dynablsb_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect)
{
int offs = 0;
int offs = 0, last_sprite = 0;
int x,y,sprite,colour,fx,fy;
while ((offs < spriteram_size/2) & (spriteram16[offs+0] != 0xffff))
{
last_sprite = offs;
offs += 4;
}
for (offs = last_sprite; offs >= 0; offs -= 4)
{
sprite = spriteram16[offs+1];
colour = (spriteram16[offs+2] >> 9) & 0x0f;
@ -232,13 +245,13 @@ static void dynablsb_draw_sprites(running_machine *machine, bitmap_t *bitmap,con
fx = (spriteram16[offs+3] >> 8) & 0x02;
fy = (spriteram16[offs+2] >> 8) & 0x80;
drawgfx(bitmap,machine->gfx[1],
pdrawgfx(bitmap,machine->gfx[1],
sprite,
colour,
fx,fy,
x,y,
cliprect,TRANSPARENCY_PEN,0);
offs += 4;
cliprect,TRANSPARENCY_PEN,0,
(colour & 0x08) ? 0x00 : 0x02);
}
}