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

40 lines
928 B
C

#include <element.h>
int update_DSTW(UPDATE_FUNC_ARGS) {
int r, rx, ry;
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; 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_SALT && 1>(rand()%250))
{
part_change_type(i,x,y,PT_SLTW);
part_change_type(r>>8,x+rx,y+ry,PT_SLTW);
}
if (((r&0xFF)==PT_WATR||(r&0xFF)==PT_SLTW) && 1>(rand()%500))
{
part_change_type(i,x,y,PT_WATR);
}
if ((r&0xFF)==PT_SLTW && 1>(rand()%500))
{
part_change_type(i,x,y,PT_SLTW);
}
if (((r&0xFF)==PT_RBDM||(r&0xFF)==PT_LRBD) && (legacy_enable||parts[i].temp>12.0f) && 1>(rand()%500))
{
part_change_type(i,x,y,PT_FIRE);
parts[i].life = 4;
}
if ((r&0xFF)==PT_FIRE){
kill_part(r>>8);
if(1>(rand()%150)){
kill_part(i);
return 1;
}
}
}
return 0;
}