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#include <element.h>
int update_PHOT(UPDATE_FUNC_ARGS) {
int r, rt, rx, ry;
float rr, rrr;
if (1>rand()%10) update_PYRO(UPDATE_FUNC_SUBCALL_ARGS);
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>>8)>=NPART || !r)
continue;
if ((r&0xFF)==PT_ISOZ && 5>(rand()%2000))
{
parts[i].vx *= 0.90;
parts[i].vy *= 0.90;
create_part(r>>8, x+rx, y+ry, PT_PHOT);
rrr = (rand()%360)*3.14159f/180.0f;
rr = (rand()%128+128)/127.0f;
parts[r>>8].vx = rr*cosf(rrr);
parts[r>>8].vy = rr*sinf(rrr);
pv[y/CELL][x/CELL] -= 15.0f * CFDS;
}
if ((r&0xFF)==PT_ISZS && 5>(rand()%2000))
{
parts[i].vx *= 0.90;
parts[i].vy *= 0.90;
create_part(r>>8, x+rx, y+ry, PT_PHOT);
rr = (rand()%228+128)/127.0f;
rrr = (rand()%360)*3.14159f/180.0f;
parts[r>>8].vx = rr*cosf(rrr);
parts[r>>8].vy = rr*sinf(rrr);
pv[y/CELL][x/CELL] -= 15.0f * CFDS;
}
}
r = pmap[y][x];
rt = r&0xFF;
if (rt==PT_CLNE || rt==PT_PCLN || rt==PT_BCLN) {
if (!parts[r>>8].ctype)
parts[r>>8].ctype = PT_PHOT;
}
return 0;
}
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