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#include <element.h>
int update_PYRO(UPDATE_FUNC_ARGS) {
int r, rx, ry, rt, t = parts[i].type;
if (t==PT_PLSM&&parts[i].ctype == PT_NBLE&&parts[i].life <=1)
{
t = PT_NBLE;
part_change_type(i,x,y,t);
parts[i].life = 0;
}
if (t==PT_FIRE && parts[i].life <=1 && parts[i].temp<625)
{
t = PT_SMKE;
part_change_type(i,x,y,t);
parts[i].life = rand()%20+250;
}
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))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if (bmap[(y+ry)/CELL][(x+rx)/CELL] && bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_STREAM)
continue;
rt = parts[r>>8].type;
if ((surround_space || ptypes[rt].explosive) && (t!=PT_SPRK || (rt!=PT_RBDM && rt!=PT_LRBD && rt!=PT_INSL && rt!=PT_SWCH)) &&
!(t==PT_PHOT && rt==PT_INSL) &&
(t!=PT_LAVA || parts[i].life>0 || (rt!=PT_STNE && rt!=PT_PSCN && rt!=PT_NSCN && rt!=PT_NTCT && rt!=PT_PTCT && rt!=PT_METL && rt!=PT_IRON && rt!=PT_ETRD && rt!=PT_BMTL && rt!=PT_BRMT && rt!=PT_SWCH && rt!=PT_INWR && rt!=PT_QRTZ))
&& !(rt==PT_SPNG && parts[r>>8].life>0) &&
ptypes[rt].flammable && (ptypes[rt].flammable + (int)(pv[(y+ry)/CELL][(x+rx)/CELL]*10.0f))>(rand()%1000))
{
part_change_type(r>>8,x+rx,y+ry,PT_FIRE);
parts[r>>8].temp = restrict_flt(ptypes[PT_FIRE].heat + (ptypes[rt].flammable/2), MIN_TEMP, MAX_TEMP);
parts[r>>8].life = rand()%80+180;
if (ptypes[rt].explosive)
pv[y/CELL][x/CELL] += 0.25f * CFDS;
continue;
}
}
if (legacy_enable) update_legacy_PYRO(UPDATE_FUNC_SUBCALL_ARGS);
return 0;
}
int update_legacy_PYRO(UPDATE_FUNC_ARGS) {
int r, rx, ry, rt, lpv, t = parts[i].type;
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))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if (bmap[(y+ry)/CELL][(x+rx)/CELL] && bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_STREAM)
continue;
rt = r&0xFF;
lpv = (int)pv[(y+ry)/CELL][(x+rx)/CELL];
if (lpv < 1) lpv = 1;
if (t!=PT_SPRK && ptypes[rt].meltable && ((rt!=PT_RBDM && rt!=PT_LRBD) || t!=PT_SPRK) && ((t!=PT_FIRE&&t!=PT_PLSM) || (rt!=PT_METL && rt!=PT_IRON && rt!=PT_ETRD && rt!=PT_PSCN && rt!=PT_NSCN && rt!=PT_NTCT && rt!=PT_PTCT && rt!=PT_BMTL && rt!=PT_BRMT && rt!=PT_SALT && rt!=PT_INWR)) &&
ptypes[rt].meltable*lpv>(rand()%1000))
{
if (t!=PT_LAVA || parts[i].life>0)
{
parts[r>>8].ctype = (rt==PT_BRMT)?PT_BMTL:parts[r>>8].type;
parts[r>>8].ctype = (parts[r>>8].ctype==PT_SAND)?PT_GLAS:parts[r>>8].ctype;
part_change_type(r>>8,x+rx,y+ry,PT_LAVA);
parts[r>>8].life = rand()%120+240;
}
else
{
parts[i].life = 0;
t = parts[i].type = (parts[i].ctype)?parts[i].ctype:PT_STNE;
parts[i].ctype = PT_NONE;//rt;
part_change_type(i,x,y,t);
return 1;
}
}
if (t!=PT_SPRK && (rt==PT_ICEI || rt==PT_SNOW))
{
parts[r>>8].type = PT_WATR;
if (t==PT_FIRE)
{
kill_part(i);
return 1;
}
if (t==PT_LAVA)
{
parts[i].life = 0;
t = parts[i].type = PT_STNE;
part_change_type(i,x,y,t);
}
}
if (t!=PT_SPRK && (rt==PT_WATR || rt==PT_DSTW || rt==PT_SLTW))
{
kill_part(r>>8);
if (t==PT_FIRE)
{
kill_part(i);
return 1;
}
if (t==PT_LAVA)
{
parts[i].life = 0;
t = parts[i].type = (parts[i].ctype)?parts[i].ctype:PT_STNE;
parts[i].ctype = PT_NONE;
part_change_type(i,x,y,t);
}
}
}
return 0;
}
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