The-Powder-Toy/src/elements/frzz.c
jacksonmj 42cfb74c2b Remove blocking walls from pmap
2.5% speed increase on a screen full of water
2011-08-27 18:37:03 +08:00

26 lines
489 B
C

#include <element.h>
int update_FRZZ(UPDATE_FUNC_ARGS) {
int r, rx, ry;
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (!r)
continue;
if ((r&0xFF)==PT_WATR&&5>rand()%100)
{
part_change_type(r>>8,x+rx,y+ry,PT_FRZW);
parts[r>>8].life = 100;
parts[i].type = PT_NONE;
}
}
if (parts[i].type==PT_NONE) {
kill_part(i);
return 1;
}
return 0;
}