The-Powder-Toy/src/simulation/elements/SNOW.cpp
2012-07-18 17:22:35 +01:00

75 lines
1.7 KiB
C++

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_SNOW PT_SNOW 16
Element_SNOW::Element_SNOW()
{
Identifier = "DEFAULT_PT_SNOW";
Name = "SNOW";
Colour = PIXPACK(0xC0E0FF);
MenuVisible = 1;
MenuSection = SC_POWDERS;
Enabled = 1;
Advection = 0.7f;
AirDrag = 0.01f * CFDS;
AirLoss = 0.96f;
Loss = 0.90f;
Collision = -0.1f;
Gravity = 0.05f;
Diffusion = 0.01f;
HotAir = -0.00005f* CFDS;
Falldown = 1;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 20;
Weight = 50;
Temperature = R_TEMP-30.0f+273.15f;
HeatConduct = 46;
Description = "Light particles.";
State = ST_SOLID;
Properties = TYPE_PART|PROP_LIFE_DEC;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = IPH;
HighPressureTransition = NT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = 273.0f;
HighTemperatureTransition = ST;
Update = &Element_SNOW::update;
}
//#TPT-Directive ElementHeader Element_SNOW static int update(UPDATE_FUNC_ARGS)
int Element_SNOW::update(UPDATE_FUNC_ARGS)
{ //currently used for snow as well
int r, rx, ry;
if (parts[i].ctype==PT_FRZW)//get colder if it is from FRZW
{
parts[i].temp = restrict_flt(parts[i].temp-1.0f, MIN_TEMP, MAX_TEMP);
}
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; 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_SALT || (r&0xFF)==PT_SLTW) && 1>(rand()%1000))
{
sim->part_change_type(i,x,y,PT_SLTW);
sim->part_change_type(r>>8,x+rx,y+ry,PT_SLTW);
}
}
return 0;
}
Element_SNOW::~Element_SNOW() {}