#include "simulation/ElementCommon.h"

static int update(UPDATE_FUNC_ARGS);
static int graphics(GRAPHICS_FUNC_ARGS);

void Element::Element_BOMB()
{
	Identifier = "DEFAULT_PT_BOMB";
	Name = "BOMB";
	Colour = 0xFFF288_rgb;
	MenuVisible = 1;
	MenuSection = SC_EXPLOSIVE;
	Enabled = 1;

	Advection = 0.6f;
	AirDrag = 0.01f * CFDS;
	AirLoss = 0.98f;
	Loss = 0.95f;
	Collision = 0.0f;
	Gravity = 0.1f;
	Diffusion = 0.00f;
	HotAir = 0.000f	* CFDS;
	Falldown = 1;

	Flammable = 0;
	Explosive = 0;
	Meltable = 0;
	Hardness = 20;

	Weight = 30;

	DefaultProperties.temp = R_TEMP - 2.0f + 273.15f;
	HeatConduct = 29;
	Description = "Bomb. Explodes and destroys all surrounding particles when it touches something.";

	Properties = TYPE_PART|PROP_SPARKSETTLE;

	LowPressure = IPL;
	LowPressureTransition = NT;
	HighPressure = IPH;
	HighPressureTransition = NT;
	LowTemperature = ITL;
	LowTemperatureTransition = NT;
	HighTemperature = ITH;
	HighTemperatureTransition = NT;

	Update = &update;
	Graphics = &graphics;
}

static int update(UPDATE_FUNC_ARGS)
{
	int r, rx, ry, rt, nb;

	for (rx=-1; rx<2; rx++)
		for (ry=-1; ry<2; ry++)
			if (BOUNDS_CHECK && (rx || ry))
			{
				r = pmap[y+ry][x+rx];
				if (!r)
					continue;
				rt = TYP(r);
				if (rt!=PT_BOMB && rt!=PT_EMBR && rt!=PT_DMND && rt!=PT_CLNE && rt!=PT_PCLN && rt!=PT_BCLN && rt!=PT_VIBR)
				{
					int rad = 8, nt;
					int nxi, nxj;
					sim->kill_part(i);
					for (nxj=-rad; nxj<=rad; nxj++)
						for (nxi=-rad; nxi<=rad; nxi++)
							if ((pow((float)nxi,2))/(pow((float)rad,2))+(pow((float)nxj,2))/(pow((float)rad,2))<=1)
							{
								int ynxj = y + nxj, xnxi = x + nxi;

								if ((ynxj < 0) || (ynxj >= YRES) || (xnxi <= 0) || (xnxi >= XRES))
									continue;

								nt = TYP(pmap[ynxj][xnxi]);
								if (nt!=PT_DMND && nt!=PT_CLNE && nt!=PT_PCLN && nt!=PT_BCLN && nt!=PT_VIBR)
								{
									if (nt)
										sim->kill_part(ID(pmap[ynxj][xnxi]));
									sim->pv[(ynxj)/CELL][(xnxi)/CELL] += 0.1f;
									nb = sim->create_part(-3, xnxi, ynxj, PT_EMBR);
									if (nb!=-1)
									{
										parts[nb].tmp = 2;
										parts[nb].life = 2;
										parts[nb].temp = MAX_TEMP;
									}
								}
							}
					for (nxj=-(rad+1); nxj<=(rad+1); nxj++)
						for (nxi=-(rad+1); nxi<=(rad+1); nxi++)
							if ((pow((float)nxi,2))/(pow((float)(rad+1),2))+(pow((float)nxj,2))/(pow((float)(rad+1),2))<=1 && !TYP(pmap[y+nxj][x+nxi]))
							{
								nb = sim->create_part(-3, x+nxi, y+nxj, PT_EMBR);
								if (nb!=-1)
								{
									parts[nb].tmp = 0;
									parts[nb].life = 50;
									parts[nb].temp = MAX_TEMP;
									parts[nb].vx = float(sim->rng.between(-20, 20));
									parts[nb].vy = float(sim->rng.between(-20, 20));
								}
							}
					return 1;
				}
			}
	return 0;
}

static int graphics(GRAPHICS_FUNC_ARGS)
{
	*pixel_mode |= PMODE_FLARE;
	return 1;
}
