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

167 lines
3.6 KiB
C++

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_GEL PT_GEL 142
Element_GEL::Element_GEL()
{
Identifier = "DEFAULT_PT_GEL";
Name = "GEL";
Colour = PIXPACK(0xFF9900);
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 = 35;
Temperature = R_TEMP-2.0f +273.15f;
HeatConduct = 29;
Description = "Gel. A liquid with variable viscosity and heat conductivity";
State = ST_LIQUID;
Properties = TYPE_LIQUID|PROP_LIFE_DEC|PROP_NEUTPENETRATE;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = IPH;
HighPressureTransition = NT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = ITH;
HighTemperatureTransition = NT;
Update = &Element_GEL::update;
Graphics = &Element_GEL::graphics;
}
//#TPT-Directive ElementHeader Element_GEL static int update(UPDATE_FUNC_ARGS)
int Element_GEL::update(UPDATE_FUNC_ARGS)
{
int r, rx, ry, rt;
bool gel;
int absorbChanceDenom;
if (parts[i].tmp>100) parts[i].tmp = 100;
if (parts[i].tmp<0) parts[i].tmp = 0;
absorbChanceDenom = parts[i].tmp*10 + 500;
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; ry++)
if (BOUNDS_CHECK && (rx || ry))
{
gel=false;
r = pmap[y+ry][x+rx];
if (!r)
continue;
rt = r&0xFF;
//Desaturation
switch (rt)
{
case PT_WATR:
case PT_DSTW:
case PT_FRZW:
if (parts[i].tmp<100 && 500>rand()%absorbChanceDenom)
{
parts[i].tmp++;
sim->kill_part(r>>8);
}
break;
case PT_PSTE:
if (parts[i].tmp<100 && 20>rand()%absorbChanceDenom)
{
parts[i].tmp++;
sim->create_part(r>>8, x+rx, y+ry, PT_CLST);
}
break;
case PT_SLTW:
if (parts[i].tmp<100 && 50>rand()%absorbChanceDenom)
{
parts[i].tmp++;
if (rand()%4)
sim->kill_part(r>>8);
else
sim->part_change_type(r>>8, x+rx, y+ry, PT_SALT);
}
break;
case PT_CBNW:
if (parts[i].tmp<100 && 100>rand()%absorbChanceDenom)
{
parts[i].tmp++;
sim->part_change_type(r>>8, x+rx, y+ry, PT_CO2);
}
break;
case PT_SPNG:
if (parts[i].tmp<100 && ((parts[r>>8].life+1)>parts[i].tmp))
{
parts[r>>8].life--;
parts[i].tmp++;
}
else if ((parts[r>>8].life+1)<parts[i].tmp)//Concentration diffusion
{
parts[r>>8].life++;
parts[i].tmp--;
}
break;
case PT_GEL:
if ((parts[r>>8].tmp+1)<parts[i].tmp)
{
parts[r>>8].tmp++;
parts[i].tmp--;
}
gel = true;
break;
default:
break;
}
float dx, dy;
dx = parts[i].x - parts[r>>8].x;
dy = parts[i].y - parts[r>>8].y;
//Stickiness
if ((dx*dx + dy*dy)>1.5 && (gel || !sim->elements[rt].Falldown || (fabs((float)rx)<2 && fabs((float)ry)<2)))
{
float per, nd;
nd = dx*dx + dy*dy - 0.5;
per = 5*(1 - parts[i].tmp/100)*(nd/(dx*dx + dy*dy + nd) - 0.5);
if (sim->elements[rt].State==ST_LIQUID)
per *= 0.1;
dx *= per; dy *= per;
parts[i].vx += dx;
parts[i].vy += dy;
if ((sim->elements[rt].Properties&TYPE_PART) || rt==PT_GOO)
{
parts[r>>8].vx -= dx;
parts[r>>8].vy -= dy;
}
}
}
return 0;
}
//#TPT-Directive ElementHeader Element_GEL static int graphics(GRAPHICS_FUNC_ARGS)
int Element_GEL::graphics(GRAPHICS_FUNC_ARGS)
{
int q = cpart->tmp;
*colr = q*(32-255)/120+255;
*colg = q*(48-186)/120+186;
*colb = q*208/120;
return 0;
}
Element_GEL::~Element_GEL() {}