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The-Powder-Toy/elements/firw.cpp
Simon Robertshaw b0ea52690b Initial
2012-01-08 17:39:03 +00:00

66 lines
1.5 KiB
C++

#include "element.h"
int update_FIRW(UPDATE_FUNC_ARGS) {
int r, rx, ry, rt, np;
if (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))
{
r = pmap[y+ry][x+rx];
if (!r)
continue;
rt = parts[r>>8].type;
if (rt==PT_FIRE||rt==PT_PLSM||rt==PT_THDR)
{
parts[i].tmp = 1;
parts[i].life = rand()%50+60;
}
}
}
else if (parts[i].tmp==1) {
if (parts[i].life==0) {
parts[i].tmp=2;
} else {
float newVel = parts[i].life/25;
parts[i].flags = parts[i].flags&0xFFFFFFFE;
/* TODO:
if ((pmap[(int)(ly-newVel)][(int)lx]&0xFF)==PT_NONE && ly-newVel>0) {
parts[i].vy = -newVel;
ly-=newVel;
iy-=newVel;
}*/
parts[i].vy = -newVel;
}
}
else if (parts[i].tmp==2) {
int col = rand()%200+4;
int tmul;
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
tmul = rand()%7;
np = sim->create_part(-1, x+rx, y+ry, PT_FIRW);
if (np>-1)
{
parts[np].vx = (rand()%3-1)*tmul;
parts[np].vy = (rand()%3-1)*tmul;
parts[np].tmp = col;
parts[np].life = rand()%100+100;
parts[np].temp = 6000.0f;
parts[np].dcolour = parts[i].dcolour;
}
}
sim->pv[y/CELL][x/CELL] += 20;
sim->kill_part(i);
return 1;
} else if (parts[i].tmp>=3) {
if (parts[i].life<=0) {
sim->kill_part(i);
return 1;
}
}
return 0;
}