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

44 lines
1.3 KiB
C

#include <element.h>
int update_BOYL(UPDATE_FUNC_ARGS) {
int r, rx, ry;
if (pv[y/CELL][x/CELL]<(parts[i].temp/100))
pv[y/CELL][x/CELL] += 0.001f*((parts[i].temp/100)-pv[y/CELL][x/CELL]);
if (y+CELL<YRES && pv[y/CELL+1][x/CELL]<(parts[i].temp/100))
pv[y/CELL+1][x/CELL] += 0.001f*((parts[i].temp/100)-pv[y/CELL+1][x/CELL]);
if (x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += 0.001f*((parts[i].temp/100)-pv[y/CELL][x/CELL+1]);
if (y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += 0.001f*((parts[i].temp/100)-pv[y/CELL+1][x/CELL+1]);
}
if (y-CELL>=0 && pv[y/CELL-1][x/CELL]<(parts[i].temp/100))
pv[y/CELL-1][x/CELL] += 0.001f*((parts[i].temp/100)-pv[y/CELL-1][x/CELL]);
if (x-CELL>=0)
{
pv[y/CELL][x/CELL-1] += 0.001f*((parts[i].temp/100)-pv[y/CELL][x/CELL-1]);
if (y-CELL>=0)
pv[y/CELL-1][x/CELL-1] += 0.001f*((parts[i].temp/100)-pv[y/CELL-1][x/CELL-1]);
}
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 && 1>rand()%30)
{
part_change_type(r>>8,x+rx,y+ry,PT_FOG);
}
else if ((r&0xFF)==PT_O2 && 1>rand()%9)
{
kill_part(r>>8);
part_change_type(i,x,y,PT_WATR);
pv[y/CELL][x/CELL] += 4.0;
}
}
return 0;
}