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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_DEUT(UPDATE_FUNC_ARGS) {
int r, rx, ry, trade, np;
float gravtot = fabs(gravy[(y/CELL)*(XRES/CELL)+(x/CELL)])+fabs(gravx[(y/CELL)*(XRES/CELL)+(x/CELL)]);
int maxlife = ((10000/(parts[i].temp + 1))-1);
if ((10000%((int)parts[i].temp+1))>rand()%((int)parts[i].temp+1))
maxlife ++;
// Compress when Newtonian gravity is applied
// multiplier=1 when gravtot=0, multiplier -> 5 as gravtot -> inf
maxlife = maxlife*(5.0f - 8.0f/(gravtot+2.0f));
if (parts[i].life < maxlife)
{
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (!r || (parts[i].life >=maxlife))
continue;
if ((r&0xFF)==PT_DEUT&&33>=rand()/(RAND_MAX/100)+1)
{
if ((parts[i].life + parts[r>>8].life + 1) <= maxlife)
{
parts[i].life += parts[r>>8].life + 1;
kill_part(r>>8);
}
}
}
}
else
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (parts[i].life<=maxlife)
continue;
if ((!r)&&parts[i].life>=1)//if nothing then create deut
{
np = create_part(-1,x+rx,y+ry,PT_DEUT);
if (np<0) continue;
parts[i].life--;
parts[np].temp = parts[i].temp;
parts[np].life = 0;
}
}
for ( trade = 0; trade<4; 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)
continue;
if ((r&0xFF)==PT_DEUT&&(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;
}
int graphics_DEUT(GRAPHICS_FUNC_ARGS)
{
if(cpart->life>=240)
{
*firea = 60;
*firer = *colr += cpart->life*1;
*fireg = *colg += cpart->life*2;
*fireb = *colb += cpart->life*3;
*pixel_mode |= PMODE_GLOW | FIRE_ADD;
}
else
{
*colr += cpart->life*1;
*colg += cpart->life*2;
*colb += cpart->life*3;
*pixel_mode |= PMODE_BLUR;
}
return 0;
}
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