/*
 * 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_PVOD(UPDATE_FUNC_ARGS) {
	int r, rx, ry;
	if (parts[i].life>0 && parts[i].life!=10)
		parts[i].life--;
	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_SPRK && parts[r>>8].life>0 && parts[r>>8].life<4)
				{
					if (parts[r>>8].ctype==PT_PSCN)
						parts[i].life = 10;
					else if (parts[r>>8].ctype==PT_NSCN)
						parts[i].life = 9;
				}
				if ((r&0xFF)==PT_PVOD)
				{
					if (parts[i].life==10&&parts[r>>8].life<10&&parts[r>>8].life>0)
						parts[i].life = 9;
					else if (parts[i].life==0&&parts[r>>8].life==10)
						parts[i].life = 10;
				}
			}
	return 0;
}