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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_ACID(UPDATE_FUNC_ARGS) {
int r, rx, ry, trade, np;
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_ACID && (r&0xFF)!=PT_CAUS)
{
if ((r&0xFF)==PT_PLEX || (r&0xFF)==PT_NITR || (r&0xFF)==PT_GUNP || (r&0xFF)==PT_RBDM || (r&0xFF)==PT_LRBD)
{
part_change_type(i,x,y,PT_FIRE);
part_change_type(r>>8,x+rx,y+ry,PT_FIRE);
parts[i].life = 4;
parts[r>>8].life = 4;
}
else if ((r&0xFF)==PT_WTRV)
{
if(!(rand()%250))
{
part_change_type(i, x, y, PT_CAUS);
parts[i].life = (rand()%50)+25;
kill_part(r>>8);
}
}
else if (((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN && ptypes[r&0xFF].hardness>(rand()%1000))&&parts[i].life>=50)
{
if (parts_avg(i, r>>8,PT_GLAS)!= PT_GLAS)//GLAS protects stuff from acid
{
float newtemp = ((60.0f-(float)ptypes[r&0xFF].hardness))*7.0f;
if(newtemp < 0){
newtemp = 0;
}
parts[i].temp += newtemp;
parts[i].life--;
kill_part(r>>8);
}
}
else if (parts[i].life<=50)
{
kill_part(i);
return 1;
}
}
}
for ( trade = 0; trade<2; trade ++)
{
rx = rand()%5-2;
ry = rand()%5-2;
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if ((r&0xFF)==PT_ACID&&(parts[i].life>parts[r>>8].life)&&parts[i].life>0)//diffusion
{
int temp = parts[i].life - parts[r>>8].life;
if (temp ==1)
{
parts[r>>8].life ++;
parts[i].life --;
}
else if (temp>0)
{
parts[r>>8].life += temp/2;
parts[i].life -= temp/2;
}
}
}
}
return 0;
}
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