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#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_FWRK PT_FWRK 98
Element_FWRK::Element_FWRK()
{
Identifier = "DEFAULT_PT_FWRK";
Name = "FWRK";
Colour = PIXPACK(0x666666);
MenuVisible = 1;
MenuSection = SC_EXPLOSIVE;
Enabled = 1;
Advection = 0.4f;
AirDrag = 0.01f * CFDS;
AirLoss = 0.99f;
Loss = 0.95f;
Collision = 0.0f;
Gravity = 0.4f;
Diffusion = 0.00f;
HotAir = 0.000f * CFDS;
Falldown = 1;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 1;
Weight = 97;
Temperature = R_TEMP+0.0f +273.15f;
HeatConduct = 100;
Description = "First fireworks made, activated by heat/neutrons.";
State = ST_SOLID;
Properties = TYPE_PART|PROP_LIFE_DEC;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = IPH;
HighPressureTransition = NT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = ITH;
HighTemperatureTransition = NT;
Update = &Element_FWRK::update;
}
//#TPT-Directive ElementHeader Element_FWRK static int update(UPDATE_FUNC_ARGS)
int Element_FWRK::update(UPDATE_FUNC_ARGS)
{
int r, rx, ry, np;
if (parts[i].life==0 && ((parts[i].temp>400&&(9+parts[i].temp/40)>rand()%100000&&surround_space)||parts[i].ctype==PT_DUST))
{
float gx, gy, multiplier, gmax;
int randTmp;
sim->GetGravityField(x, y, sim->elements[PT_FWRK].Gravity, 1.0f, gx, gy);
if (gx*gx+gy*gy < 0.001f)
{
float angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
gx += sinf(angle)*sim->elements[PT_FWRK].Gravity*0.5f;
gy += cosf(angle)*sim->elements[PT_FWRK].Gravity*0.5f;
}
gmax = std::max(fabsf(gx), fabsf(gy));
if (sim->eval_move(PT_FWRK, (int)(x-(gx/gmax)+0.5f), (int)(y-(gy/gmax)+0.5f), NULL))
{
multiplier = 15.0f/sqrtf(gx*gx+gy*gy);
//Some variation in speed parallel to gravity direction
randTmp = (rand()%200)-100;
gx += gx*randTmp*0.002f;
gy += gy*randTmp*0.002f;
//and a bit more variation in speed perpendicular to gravity direction
randTmp = (rand()%200)-100;
gx += -gy*randTmp*0.005f;
gy += gx*randTmp*0.005f;
parts[i].life=rand()%10+18;
parts[i].ctype=0;
parts[i].vx -= gx*multiplier;
parts[i].vy -= gy*multiplier;
parts[i].dcolour = parts[i].dcolour;
return 0;
}
}
if (parts[i].life<3&&parts[i].life>0)
{
int r = (rand()%245+11);
int g = (rand()%245+11);
int b = (rand()%245+11);
int n;
float angle, magnitude;
unsigned col = (r<<16) | (g<<8) | b;
for (n=0; n<40; n++)
{
np = sim->create_part(-3, x, y, PT_EMBR);
if (np>-1)
{
magnitude = ((rand()%60)+40)*0.05f;
angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
parts[np].vx = parts[i].vx*0.5f + cosf(angle)*magnitude;
parts[np].vy = parts[i].vy*0.5f + sinf(angle)*magnitude;
parts[np].ctype = col;
parts[np].tmp = 1;
parts[np].life = rand()%40+70;
parts[np].temp = (rand()%500)+5750.0f;
parts[np].dcolour = parts[i].dcolour;
}
}
sim->pv[y/CELL][x/CELL] += 8.0f;
sim->kill_part(i);
return 1;
}
if (parts[i].life>=45)
parts[i].life=0;
return 0;
}
Element_FWRK::~Element_FWRK() {}
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