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[#18277] Segfault crash by editing mesh with subsurf+ParticleInstance modifiers

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particleInstanceModifier_applyModifier uses getVertCo,which is not implemented by ccgDM.

getVertCo was used to simply perform a min/max, so it was fixed to use the apropriate min/max
		dm->getMinMax(dm, min_r, max_r);


Maybe the fact ccgDM doesn't implements getVertCo/getVertNo is a bug, since it implements every
other DM function and its strange those are left out.
This commit is contained in:
Andre Susano Pinto 2009-02-21 12:15:57 +00:00
parent f87a399978
commit a3b684d698
1 changed files with 4 additions and 13 deletions
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17
source/blender/blenkernel/intern/modifier.c
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@ -6380,20 +6380,11 @@ static DerivedMesh * particleInstanceModifier_applyModifier(
psys->lattice=psys_get_lattice(ob, psys); psys->lattice=psys_get_lattice(ob, psys);
if(psys->flag & (PSYS_HAIR_DONE|PSYS_KEYED)){ if(psys->flag & (PSYS_HAIR_DONE|PSYS_KEYED)){
float co[3];
for(i=0; i< totvert; i++){
dm->getVertCo(dm,i,co);
if(i==0){
min_co=max_co=co[track];
}
else{
if(co[track]<min_co)
min_co=co[track];
if(co[track]>max_co) float min_r[3], max_r[3];
max_co=co[track]; dm->getMinMax(dm, min_r, max_r);
} min_co=min_r[track];
} max_co=max_r[track];
} }
result = CDDM_from_template(dm, maxvert,dm->getNumEdges(dm)*totpart,maxface); result = CDDM_from_template(dm, maxvert,dm->getNumEdges(dm)*totpart,maxface);