The-Powder-Toy/src/elements/h2.cpp

#include "simulation/Element.h"

int update_H2(UPDATE_FUNC_ARGS)
{
	int r,rx,ry,rt;
	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];
				rt = (r&0xFF);
				if (!r)
					continue;
				if (sim->pv[y/CELL][x/CELL] > 8.0f && rt == PT_DESL) // This will not work. DESL turns to fire above 5.0 pressure
				{
					sim->part_change_type(r>>8,x+rx,y+ry,PT_WATR);
					sim->part_change_type(i,x,y,PT_OIL);
				}
				if (parts[i].tmp != 1)
				{
					if ((r&0xFF)==PT_FIRE)
					{
						parts[r>>8].temp=2473.15;
						if(parts[r>>8].tmp&0x02)
						parts[r>>8].temp=3473;
						parts[r>>8].tmp |= 1;
					}
					if ((r&0xFF)==PT_FIRE || (r&0xFF)==PT_PLSM || (r&0xFF)==PT_LAVA)
					{
						sim->create_part(i,x,y,PT_FIRE);
						parts[i].temp+=(rand()/(RAND_MAX/100));
						parts[i].tmp |= 1;
					}
				}
				if (parts[i].temp > 2273.15 && sim->pv[y/CELL][x/CELL] > 50.0f && (r&0xFF) == PT_H2)
					parts[r>>8].tmp = 1;
			}
	if (parts[i].temp > 2273.15 && sim->pv[y/CELL][x/CELL] > 50.0f)
	{
		parts[i].tmp = 1;
		if (rand()%5 < 1)
		{
			int j;
			sim->part_change_type(i,x,y,PT_PLSM);
			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NEUT);
			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_ELEC);
			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PHOT);
			if (j)
				parts[j].ctype = 0xFFFF00;
			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NBLE);
			if (rand()%2)
				sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NBLE);
			if (parts[i].temp < 4273.15)
				parts[i].temp = 4273.15;
			sim->pv[y/CELL][x/CELL] += 50;
		}
	}
	return 0;
}