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#include <element.h>
int update_BCLN(UPDATE_FUNC_ARGS) {
if (!parts[i].life)
{
if (pv[y/CELL][x/CELL]>4.0f)
{
float advection = 0.1f;
parts[i].vx += advection*vx[y/CELL][x/CELL];
parts[i].vy += advection*vy[y/CELL][x/CELL];
parts[i].life = rand()%40+80;
}
}
if (!parts[i].ctype)
{
int rx, ry;
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 &&
pmap[y+ry][x+rx] &&
(pmap[y+ry][x+rx]&0xFF)!=PT_CLNE &&
(pmap[y+ry][x+rx]&0xFF)!=PT_BCLN &&
(pmap[y+ry][x+rx]&0xFF)!=PT_PCLN &&
(pmap[y+ry][x+rx]&0xFF)!=PT_STKM &&
(pmap[y+ry][x+rx]&0xFF)!=PT_STKM2 &&
(pmap[y+ry][x+rx]&0xFF)!=0xFF)
parts[i].ctype = pmap[y+ry][x+rx]&0xFF;
}
else {
create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
}
return 0;
}
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