120 lines
2.5 KiB
C++
120 lines
2.5 KiB
C++
#include "common/tpt-minmax.h"
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#include "simulation/ElementCommon.h"
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static int update(UPDATE_FUNC_ARGS);
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static int graphics(GRAPHICS_FUNC_ARGS);
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void Element::Element_GRAV()
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{
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Identifier = "DEFAULT_PT_GRAV";
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Name = "GRAV";
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Colour = PIXPACK(0x202020);
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MenuVisible = 1;
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MenuSection = SC_POWDERS;
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Enabled = 1;
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Advection = 0.7f;
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AirDrag = 0.00f * CFDS;
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AirLoss = 1.00f;
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Loss = 1.00f;
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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 = 1;
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Flammable = 10;
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Explosive = 0;
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Meltable = 0;
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Hardness = 30;
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Weight = 85;
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HeatConduct = 70;
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Description = "Very light dust. Changes colour based on velocity.";
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Properties = TYPE_PART | 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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Update = &update;
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Graphics = &graphics;
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}
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static int update(UPDATE_FUNC_ARGS)
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{
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if (parts[i].vx*parts[i].vx + parts[i].vy*parts[i].vy >= 0.1f && RNG::Ref().chance(1, 512))
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{
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if (!parts[i].life)
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parts[i].life = 48;
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}
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return 0;
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}
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static int graphics(GRAPHICS_FUNC_ARGS)
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{
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int GRAV_R, GRAV_B, GRAV_G, GRAV_R2, GRAV_B2, GRAV_G2;
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GRAV_R = std::abs((ren->sim->currentTick%120)-60);
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GRAV_G = std::abs(((ren->sim->currentTick+60)%120)-60);
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GRAV_B = std::abs(((ren->sim->currentTick+120)%120)-60);
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GRAV_R2 = std::abs((ren->sim->currentTick%60)-30);
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GRAV_G2 = std::abs(((ren->sim->currentTick+30)%60)-30);
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GRAV_B2 = std::abs(((ren->sim->currentTick+60)%60)-30);
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*colr = 20;
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*colg = 20;
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*colb = 20;
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if (cpart->vx>0)
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{
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*colr += int((cpart->vx)*GRAV_R);
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*colg += int((cpart->vx)*GRAV_G);
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*colb += int((cpart->vx)*GRAV_B);
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}
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if (cpart->vy>0)
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{
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*colr += int((cpart->vy)*GRAV_G);
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*colg += int((cpart->vy)*GRAV_B);
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*colb += int((cpart->vy)*GRAV_R);
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}
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if (cpart->vx<0)
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{
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*colr -= int((cpart->vx)*GRAV_B);
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*colg -= int((cpart->vx)*GRAV_R);
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*colb -= int((cpart->vx)*GRAV_G);
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}
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if (cpart->vy<0)
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{
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*colr -= int((cpart->vy)*GRAV_R2);
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*colg -= int((cpart->vy)*GRAV_G2);
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*colb -= int((cpart->vy)*GRAV_B2);
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}
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if (cpart->life)
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{
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*pixel_mode = FIRE_ADD | PMODE_ADD | PMODE_GLOW | PMODE_FLARE;
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*firer = std::min(*colr * 3, 255);
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*fireg = std::min(*colg * 3, 255);
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*fireb = std::min(*colb * 3, 255);
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*firea = (cpart->life+15)*4;
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*cola = (cpart->life+15)*4;
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}
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else
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*pixel_mode = PMODE_ADD;
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return 0;
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}
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