121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
#include "simulation/Elements.h"
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//#TPT-Directive ElementClass Element_FWRK PT_FWRK 98
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Element_FWRK::Element_FWRK()
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{
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Identifier = "DEFAULT_PT_FWRK";
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Name = "FWRK";
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Colour = PIXPACK(0x666666);
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MenuVisible = 1;
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MenuSection = SC_EXPLOSIVE;
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Enabled = 1;
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Advection = 0.4f;
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AirDrag = 0.01f * CFDS;
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AirLoss = 0.99f;
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Loss = 0.95f;
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Collision = 0.0f;
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Gravity = 0.4f;
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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 = 0;
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Explosive = 0;
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Meltable = 0;
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Hardness = 1;
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Weight = 97;
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Temperature = R_TEMP+0.0f +273.15f;
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HeatConduct = 100;
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Description = "First fireworks made, activated by heat/neutrons.";
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State = ST_SOLID;
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Properties = TYPE_PART|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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Update = &Element_FWRK::update;
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}
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//#TPT-Directive ElementHeader Element_FWRK static int update(UPDATE_FUNC_ARGS)
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int Element_FWRK::update(UPDATE_FUNC_ARGS)
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{
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int r, rx, ry, np;
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if (parts[i].life==0 && ((parts[i].temp>400&&(9+parts[i].temp/40)>rand()%100000&&surround_space)||parts[i].ctype==PT_DUST))
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{
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float gx, gy, multiplier, gmax;
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int randTmp;
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sim->GetGravityField(x, y, sim->elements[PT_FWRK].Gravity, 1.0f, gx, gy);
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if (gx*gx+gy*gy < 0.001f)
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{
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float angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
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gx += sinf(angle)*sim->elements[PT_FWRK].Gravity*0.5f;
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gy += cosf(angle)*sim->elements[PT_FWRK].Gravity*0.5f;
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}
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gmax = std::max(fabsf(gx), fabsf(gy));
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if (sim->eval_move(PT_FWRK, (int)(x-(gx/gmax)+0.5f), (int)(y-(gy/gmax)+0.5f), NULL))
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{
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multiplier = 15.0f/sqrtf(gx*gx+gy*gy);
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//Some variation in speed parallel to gravity direction
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randTmp = (rand()%200)-100;
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gx += gx*randTmp*0.002f;
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gy += gy*randTmp*0.002f;
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//and a bit more variation in speed perpendicular to gravity direction
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randTmp = (rand()%200)-100;
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gx += -gy*randTmp*0.005f;
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gy += gx*randTmp*0.005f;
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parts[i].life=rand()%10+18;
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parts[i].ctype=0;
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parts[i].vx -= gx*multiplier;
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parts[i].vy -= gy*multiplier;
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parts[i].dcolour = parts[i].dcolour;
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return 0;
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}
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}
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if (parts[i].life<3&&parts[i].life>0)
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{
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int r = (rand()%245+11);
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int g = (rand()%245+11);
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int b = (rand()%245+11);
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int n;
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float angle, magnitude;
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unsigned col = (r<<16) | (g<<8) | b;
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for (n=0; n<40; n++)
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{
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np = sim->create_part(-3, x, y, PT_EMBR);
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if (np>-1)
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{
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magnitude = ((rand()%60)+40)*0.05f;
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angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
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parts[np].vx = parts[i].vx*0.5f + cosf(angle)*magnitude;
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parts[np].vy = parts[i].vy*0.5f + sinf(angle)*magnitude;
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parts[np].ctype = col;
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parts[np].tmp = 1;
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parts[np].life = rand()%40+70;
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parts[np].temp = (rand()%500)+5750.0f;
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parts[np].dcolour = parts[i].dcolour;
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}
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}
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sim->pv[y/CELL][x/CELL] += 8.0f;
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sim->kill_part(i);
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return 1;
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}
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if (parts[i].life>=45)
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parts[i].life=0;
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return 0;
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}
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Element_FWRK::~Element_FWRK() {}
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