151 lines
3.3 KiB
C++
151 lines
3.3 KiB
C++
#include "simulation/ElementCommon.h"
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#include "FILT.h"
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static int graphics(GRAPHICS_FUNC_ARGS);
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static void create(ELEMENT_CREATE_FUNC_ARGS);
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void Element::Element_FILT()
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{
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Identifier = "DEFAULT_PT_FILT";
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Name = "FILT";
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Colour = 0x000056_rgb;
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MenuVisible = 1;
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MenuSection = SC_SOLIDS;
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Enabled = 1;
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Advection = 0.0f;
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AirDrag = 0.00f * CFDS;
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AirLoss = 0.90f;
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Loss = 0.00f;
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Collision = 0.0f;
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Gravity = 0.0f;
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Diffusion = 0.00f;
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HotAir = 0.000f * CFDS;
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Falldown = 0;
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Flammable = 0;
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Explosive = 0;
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Meltable = 0;
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Hardness = 1;
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Weight = 100;
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HeatConduct = 251;
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Description = "Filter for photons, changes the color.";
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Properties = TYPE_SOLID | PROP_PHOTPASS | PROP_NOAMBHEAT | PROP_LIFE_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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Graphics = &graphics;
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Create = &create;
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}
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static int graphics(GRAPHICS_FUNC_ARGS)
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{
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int x, wl = Element_FILT_getWavelengths(cpart);
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*colg = 0;
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*colb = 0;
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*colr = 0;
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for (x=0; x<12; x++) {
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*colr += (wl >> (x+18)) & 1;
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*colb += (wl >> x) & 1;
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}
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for (x=0; x<12; x++)
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*colg += (wl >> (x+9)) & 1;
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x = 624/(*colr+*colg+*colb+1);
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if (cpart->life>0 && cpart->life<=4)
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*cola = 127+cpart->life*30;
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else
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*cola = 127;
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*colr *= x;
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*colg *= x;
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*colb *= x;
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*pixel_mode &= ~PMODE;
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*pixel_mode |= PMODE_BLEND;
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return 0;
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}
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static void create(ELEMENT_CREATE_FUNC_ARGS)
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{
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sim->parts[i].tmp = v;
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}
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// Returns the wavelengths in a particle after FILT interacts with it (e.g. a photon)
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// cpart is the FILT particle, origWl the original wavelengths in the interacting particle
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int Element_FILT_interactWavelengths(Simulation *sim, Particle* cpart, int origWl)
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{
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const int mask = 0x3FFFFFFF;
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int filtWl = Element_FILT_getWavelengths(cpart);
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switch (cpart->tmp)
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{
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case 0:
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return filtWl; //Assign Colour
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case 1:
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return origWl & filtWl; //Filter Colour
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case 2:
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return origWl | filtWl; //Add Colour
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case 3:
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return origWl & (~filtWl); //Subtract colour of filt from colour of photon
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case 4:
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{
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int shift = int((cpart->temp-273.0f)*0.025f);
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if (shift<=0) shift = 1;
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return (origWl << shift) & mask; // red shift
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}
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case 5:
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{
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int shift = int((cpart->temp-273.0f)*0.025f);
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if (shift<=0) shift = 1;
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return (origWl >> shift) & mask; // blue shift
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}
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case 6:
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return origWl; // No change
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case 7:
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return origWl ^ filtWl; // XOR colours
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case 8:
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return (~origWl) & mask; // Invert colours
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case 9:
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{
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int t1 = (origWl & 0x0000FF) + sim->rng.between(-2, 2);
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int t2 = ((origWl & 0x00FF00)>>8) + sim->rng.between(-2, 2);
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int t3 = ((origWl & 0xFF0000)>>16) + sim->rng.between(-2, 2);
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return (origWl & 0xFF000000) | (t3<<16) | (t2<<8) | t1;
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}
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case 10:
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{
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long long int lsb = filtWl & (-filtWl);
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return (origWl * lsb) & 0x3FFFFFFF; //red shift
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}
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case 11:
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{
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long long int lsb = filtWl & (-filtWl);
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return (origWl / lsb) & 0x3FFFFFFF; // blue shift
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}
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default:
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return filtWl;
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}
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}
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int Element_FILT_getWavelengths(const Particle* cpart)
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{
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if (cpart->ctype&0x3FFFFFFF)
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{
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return cpart->ctype;
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}
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else
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{
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int temp_bin = (int)((cpart->temp-273.0f)*0.025f);
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if (temp_bin < 0) temp_bin = 0;
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if (temp_bin > 25) temp_bin = 25;
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return (0x1F << temp_bin);
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}
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}
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