#include "simulation/ElementCommon.h"

static int update(UPDATE_FUNC_ARGS);

void Element::Element_TSNS()
{
	Identifier = "DEFAULT_PT_TSNS";
	Name = "TSNS";
	Colour = 0xFD00D5_rgb;
	MenuVisible = 1;
	MenuSection = SC_SENSOR;
	Enabled = 1;

	Advection = 0.0f;
	AirDrag = 0.00f * CFDS;
	AirLoss = 0.96f;
	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;

	HeatConduct = 0;
	Description = "Temperature sensor, creates a spark when there's a nearby particle with a greater temperature.";

	Properties = TYPE_SOLID;

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

	DefaultProperties.tmp2 = 2;

	Update = &update;

	Neighborhood = INFINITE_NEIGHBORHOOD; // TODO-TILES: this is only for tmp=1
}

static int update(UPDATE_FUNC_ARGS)
{
	auto &sd = SimulationData::CRef();
	auto &elements = sd.elements;
	int rd = parts[i].tmp2;
	if (rd > 25)
		parts[i].tmp2 = rd = 25;
	if (parts[i].life)
	{
		parts[i].life = 0;
		for (int rx = -2; rx <= 2; rx++)
		{
			for (int ry = -2; ry <= 2; ry++)
			{
				if (rx || ry)
				{
					int r = pmap[y+ry][x+rx];
					if (!r)
						r = sim->photons[y+ry][x+rx];
					if (!r)
						continue;
					int rt = TYP(r);
					auto pavg = sim->parts_avg(i, ID(r), PT_INSL);
					if (pavg != PT_INSL && pavg != PT_RSSS)
					{
						if ((elements[rt].Properties&PROP_CONDUCTS) && !(rt == PT_WATR || rt == PT_SLTW || rt == PT_NTCT || rt == PT_PTCT || rt == PT_INWR) && parts[ID(r)].life == 0)
						{
							parts[ID(r)].life = 4;
							parts[ID(r)].ctype = rt;
							sim->part_change_type(ID(r), x+rx, y+ry, PT_SPRK);
						}
					}
				}
			}
		}
	}
	bool setFilt = false;
	int photonWl = 0;
	for (int rx = -rd; rx <= rd; rx++)
		for (int ry = -rd; ry <= rd; ry++)
			if (x + rx >= 0 && y + ry >= 0 && x + rx < XRES && y + ry < YRES && (rx || ry))
			{
				int r = pmap[y+ry][x+rx];
				if (!r)
					r = sim->photons[y+ry][x+rx];
				if (!r)
					continue;
				if (parts[i].tmp == 0 && TYP(r) != PT_TSNS && TYP(r) != PT_METL && parts[ID(r)].temp > parts[i].temp)
					parts[i].life = 1;
				if (parts[i].tmp == 2 && TYP(r) != PT_TSNS && TYP(r) != PT_METL && parts[ID(r)].temp < parts[i].temp)
					parts[i].life = 1;
				if (parts[i].tmp == 1 && TYP(r) != PT_TSNS && TYP(r) != PT_FILT)
				{
					setFilt = true;
					photonWl = int(parts[ID(r)].temp);
				}
			}
	if (setFilt)
	{
		for (int rx = -1; rx <= 1; rx++)
		{
			for (int ry = -1; ry <= 1; ry++)
			{
				if (rx || ry)
				{
					int r = pmap[y+ry][x+rx];
					if (!r)
						continue;
					auto nx = x + rx;
					auto ny = y + ry;
					while (TYP(r) == PT_FILT)
					{
						parts[ID(r)].ctype = 0x10000000 + photonWl;
						nx += rx;
						ny += ry;
						if (nx < 0 || ny < 0 || nx >= XRES || ny >= YRES)
							break;
						r = pmap[ny][nx];
					}
				}
			}
		}
	}
	return 0;
}
