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Partial fix [#30744] BMesh: Particle system face/volume emission doesn't work if there is a constructive modifier earlier.

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When ORIGSPACE is added, it is now a loop data, so we need to mark tessdata as dirty too. Also fixed DM_ensure_tessface to check DM_DIRTY_TESS_CDLAYERS flag!

This fixes problems with subsurf + dynapaint + particles, however, some modifiers, like remesh, seems to create a new dm from scratch, hence loosing completely those CD layers… Note this bug already existed in 2.62, so this is not a regression.
This commit is contained in:
Bastien Montagne 2012-04-01 15:02:19 +00:00
parent b1951ac1ba
commit e0ead26312
1 changed files with 10 additions and 1 deletions
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11
source/blender/blenkernel/intern/DerivedMesh.c
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@ -382,6 +382,13 @@ void DM_ensure_tessface(DerivedMesh *dm)
__func__, numPolys, dm->type);
}
}
else if (dm->dirty && DM_DIRTY_TESS_CDLAYERS) {
BLI_assert(CustomData_has_layer(&dm->faceData, CD_POLYINDEX));
DM_update_tessface_data(dm);
}
dm->dirty &= ~DM_DIRTY_TESS_CDLAYERS;
}
/* Update tessface CD data from loop/poly ones. Needed when not retessellating after modstack evaluation. */
@ -1629,7 +1636,7 @@ static void mesh_calc_modifiers(Scene *scene, Object *ob, float (*inputVertexCos
deformedVerts = NULL;
}
}
}
/* create an orco derivedmesh in parallel */
if (nextmask & CD_MASK_ORCO) {
@ -3061,6 +3068,8 @@ void DM_init_origspace(DerivedMesh *dm)
}
}
}
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
}