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#include <powder.h>
int update_ICEI(UPDATE_FUNC_ARGS) { //currently used for snow as well
int r;
if (parts[i].ctype==PT_FRZW)
{
parts[i].temp -= 1.0f;
if (parts[i].temp<0)
parts[i].temp = 0;
}
for (nx=-2; nx<3; nx++)
for (ny=-2; ny<3; ny++)
if (x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if ((r>>8)>=NPART || !r)
continue;
if (((r&0xFF)==PT_SALT || (r&0xFF)==PT_SLTW) && 1>(rand()%1000))
{
parts[i].type = PT_SLTW;
parts[r>>8].type = PT_SLTW;
}
if (legacy_enable)
{
if (((r&0xFF)==PT_WATR || (r&0xFF)==PT_DSTW) && 1>(rand()%1000))
{
parts[i].type = PT_ICEI;
parts[r>>8].type = PT_ICEI;
}
if (parts[i].type==PT_SNOW && ((r&0xFF)==PT_WATR || (r&0xFF)==PT_DSTW) && 15>(rand()%1000))
parts[i].type = PT_WATR;
}
}
return 0;
}
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