The-Powder-Toy/src/elements/frzw.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

31 lines
733 B
C

#include <element.h>
int update_FRZW(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()%70)
{
part_change_type(r>>8,x+rx,y+ry,PT_FRZW);
}
}
if (parts[i].life==0&&13>rand()%2500)
{
part_change_type(i,x,y,PT_ICEI);
parts[i].ctype=PT_FRZW;
parts[i].temp = restrict_flt(parts[i].temp-200.0f, MIN_TEMP, MAX_TEMP);
}
else if ((100-(parts[i].life))>rand()%50000)
{
part_change_type(i,x,y,PT_ICEI);
parts[i].ctype=PT_FRZW;
parts[i].temp = restrict_flt(parts[i].temp-200.0f, MIN_TEMP, MAX_TEMP);
}
return 0;
}