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Fix for bug #18509: mesh deform modifier not working on load,

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This commit is contained in:
Brecht Van Lommel
2009-04-22 22:38:23 +00:00
parent 90508ed125
commit 1ca6768051
1 changed files with 55 additions and 37 deletions
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92
source/blender/blenkernel/intern/modifier.c
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@@ -6054,8 +6054,6 @@ static void surfaceModifier_deformVerts(
float (*vertexCos)[3], int numVerts)
{
SurfaceModifierData *surmd = (SurfaceModifierData*) md;
DerivedMesh *dm = NULL;
float current_time = 0;
unsigned int numverts = 0, i = 0;
if(surmd->dm)
@@ -6258,6 +6256,48 @@ static int is_last_displist(Object *ob)
return 0;
}
static DerivedMesh *get_original_dm(Object *ob, float (*vertexCos)[3], int orco)
{
DerivedMesh *dm= NULL;
if(ob->type==OB_MESH) {
dm = CDDM_from_mesh((Mesh*)(ob->data), ob);
if(vertexCos) {
CDDM_apply_vert_coords(dm, vertexCos);
//CDDM_calc_normals(dm);
}
if(orco)
DM_add_vert_layer(dm, CD_ORCO, CD_ASSIGN, get_mesh_orco_verts(ob));
}
else if(ELEM3(ob->type,OB_FONT,OB_CURVE,OB_SURF)) {
Object *tmpobj;
Curve *tmpcu;
if(is_last_displist(ob)) {
/* copies object and modifiers (but not the data) */
tmpobj= copy_object(ob);
tmpcu = (Curve *)tmpobj->data;
tmpcu->id.us--;
/* copies the data */
tmpobj->data = copy_curve((Curve *) ob->data);
makeDispListCurveTypes(tmpobj, 1);
nurbs_to_mesh(tmpobj);
dm = CDDM_from_mesh((Mesh*)(tmpobj->data), tmpobj);
//CDDM_calc_normals(dm);
free_libblock_us(&G.main->object, tmpobj);
}
}
return dm;
}
/* saves the current emitter state for a particle system and calculates particles */
static void particleSystemModifier_deformVerts(
ModifierData *md, Object *ob, DerivedMesh *derivedData,
@@ -6285,43 +6325,13 @@ static void particleSystemModifier_deformVerts(
if(!psys_check_enabled(ob, psys))
return;
if(dm==0){
if(ob->type==OB_MESH){
dm = CDDM_from_mesh((Mesh*)(ob->data), ob);
if(dm==0) {
dm= get_original_dm(ob, vertexCos, 1);
CDDM_apply_vert_coords(dm, vertexCos);
//CDDM_calc_normals(dm);
DM_add_vert_layer(dm, CD_ORCO, CD_ASSIGN, get_mesh_orco_verts(ob));
if(!dm)
return;
needsFree=1;
}
else if(ELEM3(ob->type,OB_FONT,OB_CURVE,OB_SURF)){
Object *tmpobj;
Curve *tmpcu;
if(is_last_displist(ob)){
/* copies object and modifiers (but not the data) */
tmpobj= copy_object( ob );
tmpcu = (Curve *)tmpobj->data;
tmpcu->id.us--;
/* copies the data */
tmpobj->data = copy_curve( (Curve *) ob->data );
makeDispListCurveTypes( tmpobj, 1 );
nurbs_to_mesh( tmpobj );
dm = CDDM_from_mesh((Mesh*)(tmpobj->data), tmpobj);
//CDDM_calc_normals(dm);
free_libblock_us( &G.main->object, tmpobj );
needsFree=1;
}
else return;
}
else return;
needsFree= 1;
}
/* clear old dm */
@@ -7658,6 +7668,14 @@ static void meshdeformModifier_do(
}
else
cagedm= mmd->object->derivedFinal;
/* if we don't have one computed, use derivedmesh from data
* without any modifiers */
if(!cagedm) {
cagedm= get_original_dm(mmd->object, NULL, 0);
if(cagedm)
cagedm->needsFree= 1;
}
if(!cagedm)
return;