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

121 lines
2.8 KiB
C++

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_MERC PT_MERC 152
Element_MERC::Element_MERC()
{
Identifier = "DEFAULT_PT_MERC";
Name = "MERC";
Colour = PIXPACK(0x736B6D);
MenuVisible = 1;
MenuSection = SC_ELEC;
Enabled = 1;
Advection = 0.4f;
AirDrag = 0.04f * CFDS;
AirLoss = 0.94f;
Loss = 0.80f;
Collision = 0.0f;
Gravity = 0.3f;
Diffusion = 0.00f;
HotAir = 0.000f * CFDS;
Falldown = 2;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 20;
Weight = 91;
Temperature = R_TEMP+0.0f +273.15f;
HeatConduct = 251;
Description = "Mercury. Volume changes with temperature, Conductive.";
State = ST_LIQUID;
Properties = TYPE_LIQUID|PROP_CONDUCTS|PROP_NEUTABSORB|PROP_LIFE_DEC;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = IPH;
HighPressureTransition = NT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = ITH;
HighTemperatureTransition = NT;
Update = &Element_MERC::update;
}
//#TPT-Directive ElementHeader Element_MERC static int update(UPDATE_FUNC_ARGS)
int Element_MERC::update(UPDATE_FUNC_ARGS)
{
int r, rx, ry, trade, np;
int maxtmp = ((10000/(parts[i].temp + 1))-1);
if ((10000%((int)parts[i].temp+1))>rand()%((int)parts[i].temp+1))
maxtmp ++;
if (parts[i].tmp < maxtmp)
{
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (!r || (parts[i].tmp >=maxtmp))
continue;
if ((r&0xFF)==PT_MERC&&33>=rand()/(RAND_MAX/100)+1)
{
if ((parts[i].tmp + parts[r>>8].tmp + 1) <= maxtmp)
{
parts[i].tmp += parts[r>>8].tmp + 1;
sim->kill_part(r>>8);
}
}
}
}
else
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (parts[i].tmp<=maxtmp)
continue;
if ((!r)&&parts[i].tmp>=1)//if nothing then create deut
{
np = sim->create_part(-1,x+rx,y+ry,PT_MERC);
if (np<0) continue;
parts[i].tmp--;
parts[np].temp = parts[i].temp;
parts[np].tmp = 0;
}
}
for ( trade = 0; trade<4; trade ++)
{
rx = rand()%5-2;
ry = rand()%5-2;
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_MERC&&(parts[i].tmp>parts[r>>8].tmp)&&parts[i].tmp>0)//diffusion
{
int temp = parts[i].tmp - parts[r>>8].tmp;
if (temp ==1)
{
parts[r>>8].tmp ++;
parts[i].tmp --;
}
else if (temp>0)
{
parts[r>>8].tmp += temp/2;
parts[i].tmp -= temp/2;
}
}
}
}
return 0;
}
Element_MERC::~Element_MERC() {}