The-Powder-Toy/elements/ice.cpp
Simon Robertshaw b0ea52690b Initial
2012-01-08 17:39:03 +00:00

24 lines
616 B
C++

#include "element.h"
int update_ICEI(UPDATE_FUNC_ARGS) { //currently used for snow as well
int r, rx, ry;
if (parts[i].ctype==PT_FRZW)//get colder if it is from FRZW
{
parts[i].temp = restrict_flt(parts[i].temp-1.0f, MIN_TEMP, MAX_TEMP);
}
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 || (r&0xFF)==PT_SLTW) && 1>(rand()%1000))
{
sim->part_change_type(i,x,y,PT_SLTW);
sim->part_change_type(r>>8,x+rx,y+ry,PT_SLTW);
}
}
return 0;
}