The-Powder-Toy/src/simulation/elements/IGNT.cpp

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_IGNT PT_IGNT 140
Element_IGNT::Element_IGNT()
{
    Identifier = "DEFAULT_PT_IGNT";
    Name = "IGNC";
    Colour = PIXPACK(0xC0B050);
    MenuVisible = 1;
    MenuSection = SC_EXPLOSIVE;
    Enabled = 1;
    
    Advection = 0.0f;
    AirDrag = 0.00f * CFDS;
    AirLoss = 0.90f;
    Loss = 0.00f;
    Collision = 0.0f;
    Gravity = 0.0f;
    Diffusion = 0.00f;
    HotAir = 0.000f	* CFDS;
    Falldown = 0;
    
    Flammable = 0;
    Explosive = 0;
    Meltable = 0;
    Hardness = 1;
    
    Weight = 100;
    
    Temperature = R_TEMP+0.0f	+273.15f;
    HeatConduct = 88;
    Description = "Ignition cord.";
    
    State = ST_SOLID;
    Properties = TYPE_SOLID | PROP_NEUTPENETRATE | PROP_SPARKSETTLE | PROP_LIFE_KILL;
    
    LowPressure = IPL;
    LowPressureTransition = NT;
    HighPressure = IPH;
    HighPressureTransition = NT;
    LowTemperature = ITL;
    LowTemperatureTransition = NT;
    HighTemperature = 673.0f;
    HighTemperatureTransition = PT_FIRE;
    
    Update = &Element_IGNT::update;
    
}

//#TPT-Directive ElementHeader Element_IGNT static int update(UPDATE_FUNC_ARGS)
int Element_IGNT::update(UPDATE_FUNC_ARGS)
 {
	int r, rx, ry;
	if(parts[i].tmp==0)
	{
		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)
						continue;
					if ((r&0xFF)==PT_FIRE || (r&0xFF)==PT_PLSM)
					{
						parts[i].tmp = 1;
					}
					else if ((r&0xFF)==PT_SPRK || (r&0xFF)==PT_LIGH || ((r&0xFF)==PT_IGNT && parts[r>>8].life==1))
					{
						parts[i].tmp = 1;
					}
				}
	}
	else if(parts[i].life > 0)
	{
		if(rand()%3)
		{
			int nb = sim->create_part(-1, x+rand()%3-1, y+rand()%3-1, PT_EMBR);
			if (nb!=-1) {
				parts[nb].tmp = 0;
				parts[nb].life = 30;
				parts[nb].vx = rand()%20-10;
				parts[nb].vy = rand()%20-10;
				parts[nb].temp = restrict_flt(400.0f+parts[i].temp-273.15, MIN_TEMP, MAX_TEMP);
			}
		}
		else
		{
			sim->create_part(-1, x+rand()%3-1, y+rand()%3-1, PT_FIRE);
		}
		parts[i].life--;
	}
	return 0;
}


Element_IGNT::~Element_IGNT() {}