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

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_DCEL PT_DCEL 138
Element_DCEL::Element_DCEL()
{
    Identifier = "DEFAULT_PT_DCEL";
    Name = "DCEL";
    Colour = PIXPACK(0x99CC00);
    MenuVisible = 1;
    MenuSection = SC_FORCE;
    Enabled = 1;
    
    Advection = 0.0f;
    AirDrag = 0.00f * CFDS;
    AirLoss = 0.90f;
    Loss = 0.00f;
    Collision = 0.0f;
    Gravity = 0.0f;
    Diffusion = 0.00f;
    HotAir = 0.000f	* CFDS;
    Falldown = 0;
    
    Flammable = 0;
    Explosive = 0;
    Meltable = 0;
    Hardness = 1;
    
    Weight = 100;
    
    Temperature = R_TEMP+0.0f	+273.15f;
    HeatConduct = 251;
    Description = "Decelerator";
    
    State = ST_NONE;
    Properties = TYPE_SOLID;
    
    LowPressure = IPL;
    LowPressureTransition = NT;
    HighPressure = IPH;
    HighPressureTransition = NT;
    LowTemperature = ITL;
    LowTemperatureTransition = NT;
    HighTemperature = ITH;
    HighTemperatureTransition = NT;
    
    Update = &Element_DCEL::update;
    Graphics = &Element_DCEL::graphics;
}

//#TPT-Directive ElementHeader Element_DCEL static int update(UPDATE_FUNC_ARGS)
int Element_DCEL::update(UPDATE_FUNC_ARGS)
 {
	int r, rx, ry;
	float multiplier;
	if (parts[i].life!=0)
	{
		float change = parts[i].life > 100 ? 100 : (parts[i].life < 0 ? 0 : parts[i].life);
		multiplier = 1.0f-(change/100.0f);
	}
	else
	{
		multiplier = 1.0f/1.1f;
	}
    parts[i].tmp = 0;
    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) && !(rx && ry))
            {
                r = pmap[y+ry][x+rx];
                if(!r)
                    r = sim->photons[y+ry][x+rx];
                if ((r>>8)>=NPART || !r)
                    continue;
                if(sim->elements[r&0xFF].Properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY))
                {
					parts[r>>8].vx *= multiplier;
					parts[r>>8].vy *= multiplier;
					parts[i].tmp = 1;
				}
			}
	return 0;
}



//#TPT-Directive ElementHeader Element_DCEL static int graphics(GRAPHICS_FUNC_ARGS)
int Element_DCEL::graphics(GRAPHICS_FUNC_ARGS)

{
	if(cpart->tmp)
		*pixel_mode |= PMODE_GLOW;
	return 0;
}


Element_DCEL::~Element_DCEL() {}