137 lines
2.9 KiB
C++
137 lines
2.9 KiB
C++
#include "simulation/ElementCommon.h"
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static int update(UPDATE_FUNC_ARGS);
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void Element::Element_MERC()
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{
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Identifier = "DEFAULT_PT_MERC";
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Name = "MERC";
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Colour = PIXPACK(0x736B6D);
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MenuVisible = 1;
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MenuSection = SC_LIQUID;
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Enabled = 1;
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Advection = 0.4f;
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AirDrag = 0.04f * CFDS;
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AirLoss = 0.94f;
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Loss = 0.80f;
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Collision = 0.0f;
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Gravity = 0.3f;
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Diffusion = 0.00f;
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HotAir = 0.000f * CFDS;
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Falldown = 2;
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Flammable = 0;
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Explosive = 0;
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Meltable = 0;
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Hardness = 20;
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Weight = 91;
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HeatConduct = 251;
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Description = "Mercury. Volume changes with temperature, Conductive.";
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Properties = TYPE_LIQUID|PROP_CONDUCTS|PROP_NEUTABSORB|PROP_LIFE_DEC;
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LifeSpec = RSPEC_STORAGE_TYPE_NUMBER | RSPEC_BEHAVIOUR_DEC;
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LowPressure = IPL;
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LowPressureTransition = NT;
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HighPressure = IPH;
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HighPressureTransition = NT;
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LowTemperature = ITL;
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LowTemperatureTransition = NT;
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HighTemperature = ITH;
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HighTemperatureTransition = NT;
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DefaultProperties.tmp = 10;
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Update = &update;
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}
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static int update(UPDATE_FUNC_ARGS)
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{
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int r, rx, ry, trade, np;
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// Max number of particles that can be condensed into one
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const int absorbScale = 10000;
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// Obscure division by 0 fix
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if (parts[i].temp + 1 == 0)
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parts[i].temp = 0;
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int maxtmp = int(absorbScale/(parts[i].temp + 1))-1;
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if (RNG::Ref().chance(absorbScale%(int(parts[i].temp)+1), int(parts[i].temp)+1))
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maxtmp ++;
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if (parts[i].tmp < 0)
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{
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parts[i].tmp = 0;
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}
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if (parts[i].tmp > absorbScale)
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{
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parts[i].tmp = absorbScale;
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}
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if (parts[i].tmp < maxtmp)
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{
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for (rx=-1; rx<2; rx++)
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for (ry=-1; ry<2; ry++)
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if (BOUNDS_CHECK && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if (!r || (parts[i].tmp >=maxtmp))
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continue;
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if (TYP(r)==PT_MERC&& RNG::Ref().chance(1, 3))
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{
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if ((parts[i].tmp + parts[ID(r)].tmp + 1) <= maxtmp)
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{
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parts[i].tmp += parts[ID(r)].tmp + 1;
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sim->kill_part(ID(r));
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}
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}
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}
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}
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else
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for (rx=-1; rx<2; rx++)
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for (ry=-1; ry<2; ry++)
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if (BOUNDS_CHECK && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if (parts[i].tmp<=maxtmp)
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continue;
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if ((!r)&&parts[i].tmp>=1)//if nothing then create MERC
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{
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np = sim->create_part(-1,x+rx,y+ry,PT_MERC);
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if (np<0) continue;
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parts[i].tmp--;
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parts[np].temp = parts[i].temp;
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parts[np].tmp = 0;
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parts[np].dcolour = parts[i].dcolour;
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}
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}
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for ( trade = 0; trade<4; trade ++)
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{
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rx = RNG::Ref().between(-2, 2);
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ry = RNG::Ref().between(-2, 2);
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if (BOUNDS_CHECK && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if (!r)
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continue;
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if (TYP(r)==PT_MERC&&(parts[i].tmp>parts[ID(r)].tmp)&&parts[i].tmp>0)//diffusion
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{
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int temp = parts[i].tmp - parts[ID(r)].tmp;
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if (temp ==1)
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{
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parts[ID(r)].tmp ++;
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parts[i].tmp --;
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}
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else if (temp>0)
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{
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parts[ID(r)].tmp += temp/2;
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parts[i].tmp -= temp/2;
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}
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}
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}
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}
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return 0;
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}
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