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The-Powder-Toy/src/simulation/elements/BOYL.cpp
2023-04-16 22:13:39 +02:00

89 lines
2.2 KiB
C++

#include "simulation/ElementCommon.h"
static int update(UPDATE_FUNC_ARGS);
void Element::Element_BOYL()
{
Identifier = "DEFAULT_PT_BOYL";
Name = "BOYL";
Colour = 0x0A3200_rgb .Pack();
MenuVisible = 1;
MenuSection = SC_GAS;
Enabled = 1;
Advection = 1.0f;
AirDrag = 0.01f * CFDS;
AirLoss = 0.99f;
Loss = 0.30f;
Collision = -0.1f;
Gravity = 0.0f;
Diffusion = 0.18f;
HotAir = 0.000f * CFDS;
Falldown = 0;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 1;
Weight = 1;
DefaultProperties.temp = R_TEMP + 2.0f + 273.15f;
HeatConduct = 42;
Description = "Boyle, variable pressure gas. Expands when heated.";
Properties = TYPE_GAS;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = IPH;
HighPressureTransition = NT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = ITH;
HighTemperatureTransition = NT;
Update = &update;
}
static int update(UPDATE_FUNC_ARGS)
{
int r, rx, ry;
float limit = parts[i].temp / 100;
if (sim->pv[y / CELL][x / CELL] < limit)
sim->pv[y / CELL][x / CELL] += 0.001f*(limit - sim->pv[y / CELL][x / CELL]);
if (sim->pv[y / CELL + 1][x / CELL] < limit)
sim->pv[y / CELL + 1][x / CELL] += 0.001f*(limit - sim->pv[y / CELL + 1][x / CELL]);
if (sim->pv[y / CELL - 1][x / CELL] < limit)
sim->pv[y / CELL - 1][x / CELL] += 0.001f*(limit - sim->pv[y / CELL - 1][x / CELL]);
sim->pv[y / CELL][x / CELL + 1] += 0.001f*(limit - sim->pv[y / CELL][x / CELL + 1]);
sim->pv[y / CELL + 1][x / CELL + 1] += 0.001f*(limit - sim->pv[y / CELL + 1][x / CELL + 1]);
sim->pv[y / CELL][x / CELL - 1] += 0.001f*(limit - sim->pv[y / CELL][x / CELL - 1]);
sim->pv[y / CELL - 1][x / CELL - 1] += 0.001f*(limit - sim->pv[y / CELL - 1][x / CELL - 1]);
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;
if (TYP(r)==PT_WATR)
{
if (sim->rng.chance(1, 30))
sim->part_change_type(ID(r),x+rx,y+ry,PT_FOG);
}
else if (TYP(r)==PT_O2)
{
if (sim->rng.chance(1, 9))
{
sim->kill_part(ID(r));
sim->part_change_type(i,x,y,PT_WATR);
sim->pv[y/CELL][x/CELL] += 4.0;
}
}
}
return 0;
}