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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#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) && parts[i].temp > ptransitions[PT_SLTW].tlv && 1>(rand()%1000))
{
part_change_type(i,x,y,PT_SLTW);
part_change_type(r>>8,x+rx,y+ry,PT_SLTW);
}
if (((r&0xFF)==PT_FRZZ) && (parts[i].ctype=PT_FRZW) && 1>(rand()%1000))
part_change_type(r>>8,x+rx,y+ry,PT_ICEI);
}
return 0;
}
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