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

152 lines
3.6 KiB
C++

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_VIRS PT_VIRS 174
Element_VIRS::Element_VIRS()
{
Identifier = "DEFAULT_PT_VIRS";
Name = "VIRS";
Colour = PIXPACK(0xFE11F6);
MenuVisible = 1;
MenuSection = SC_LIQUID;
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 = 2;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 20;
Weight = 31;
Temperature = 72.0f + 273.15f;
HeatConduct = 251;
Description = "Virus. Turns everything it touches into virus.";
Properties = TYPE_LIQUID|PROP_DEADLY;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = IPH;
HighPressureTransition = NT;
LowTemperature = 305.0f;
LowTemperatureTransition = PT_VRSS;
HighTemperature = 673.0f;
HighTemperatureTransition = PT_VRSG;
Update = &Element_VIRS::update;
Graphics = &Element_VIRS::graphics;
}
//#TPT-Directive ElementHeader Element_VIRS static int update(UPDATE_FUNC_ARGS)
int Element_VIRS::update(UPDATE_FUNC_ARGS)
{
//pavg[0] measures how many frames until it is cured (0 if still actively spreading and not being cured)
//pavg[1] measures how many frames until it dies
int r, rx, ry, rndstore = random_gen();
if (parts[i].pavg[0])
{
parts[i].pavg[0] -= (rndstore & 0x1) ? 0:1;
//has been cured, so change back into the original element
if (!parts[i].pavg[0])
{
sim->part_change_type(i,x,y,parts[i].tmp2);
parts[i].tmp2 = 0;
parts[i].pavg[0] = 0;
parts[i].pavg[1] = 0;
}
return 0;
//cured virus is never in below code
}
//decrease pavg[1] so it slowly dies
if (parts[i].pavg[1])
{
if (!(rndstore & 0x7) && --parts[i].pavg[1] <= 0)
{
sim->kill_part(i);
return 1;
}
rndstore >>= 3;
}
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;
//spread "being cured" state
if (parts[ID(r)].pavg[0] && (TYP(r) == PT_VIRS || TYP(r) == PT_VRSS || TYP(r) == PT_VRSG))
{
parts[i].pavg[0] = parts[ID(r)].pavg[0] + ((rndstore & 0x3) ? 2:1);
return 0;
}
//soap cures virus
else if (TYP(r) == PT_SOAP)
{
parts[i].pavg[0] += 10;
if (!(rndstore & 0x3))
sim->kill_part(ID(r));
return 0;
}
else if (TYP(r) == PT_PLSM)
{
if (surround_space && 10 + (int)(sim->pv[(y+ry)/CELL][(x+rx)/CELL]) > (random_gen()%100))
{
sim->create_part(i, x, y, PT_PLSM);
return 1;
}
}
//transforms things into virus here
else if (TYP(r) != PT_VIRS && TYP(r) != PT_VRSS && TYP(r) != PT_VRSG && TYP(r) != PT_DMND)
{
if (!(rndstore & 0x7))
{
parts[ID(r)].tmp2 = TYP(r);
parts[ID(r)].pavg[0] = 0;
if (parts[i].pavg[1])
parts[ID(r)].pavg[1] = parts[i].pavg[1] + 1;
else
parts[ID(r)].pavg[1] = 0;
if (parts[ID(r)].temp < 305.0f)
sim->part_change_type(ID(r), x+rx, y+ry, PT_VRSS);
else if (parts[ID(r)].temp > 673.0f)
sim->part_change_type(ID(r), x+rx, y+ry, PT_VRSG);
else
sim->part_change_type(ID(r), x+rx, y+ry, PT_VIRS);
}
rndstore >>= 3;
}
//protons make VIRS last forever
else if (TYP(sim->photons[y+ry][x+rx]) == PT_PROT)
{
parts[i].pavg[1] = 0;
}
}
//reset rndstore only once, halfway through
else if (!rx && !ry)
rndstore = random_gen();
}
return 0;
}
//#TPT-Directive ElementHeader Element_VIRS static int graphics(GRAPHICS_FUNC_ARGS)
int Element_VIRS::graphics(GRAPHICS_FUNC_ARGS)
{
*pixel_mode |= PMODE_BLUR;
*pixel_mode |= NO_DECO;
return 1;
}
Element_VIRS::~Element_VIRS() {}