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Mesh: Add utility to calculate deform modifier up to index

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Intention is to be used to create mesh at the state which is an input
to the multires modifier.
This commit is contained in:
Sergey Sharybin
2020-03-17 15:28:24 +01:00
parent a45c34ae8e
commit bf5151b2d2
2 changed files with 27 additions and 0 deletions
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6
source/blender/blenkernel/BKE_mesh_runtime.h
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@@ -87,6 +87,12 @@ struct Mesh *mesh_create_eval_final_view(struct Depsgraph *depsgraph,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask);
struct Mesh *mesh_create_eval_final_view_index(struct Depsgraph *depsgraph,
struct Scene *scene,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask,
int index);
struct Mesh *mesh_create_eval_no_deform(struct Depsgraph *depsgraph,
struct Scene *scene,
struct Object *ob,

21
source/blender/blenkernel/intern/DerivedMesh.c
View File

@@ -2013,6 +2013,27 @@ Mesh *mesh_create_eval_final_view(Depsgraph *depsgraph,
return final;
}
Mesh *mesh_create_eval_final_view_index(Depsgraph *depsgraph,
Scene *scene,
Object *ob,
const CustomData_MeshMasks *dataMask,
int index)
{
Mesh *final;
/* XXX hack
* psys modifier updates particle state when called during dupli-list generation,
* which can lead to wrong transforms. This disables particle system modifier execution.
*/
ob->transflag |= OB_NO_PSYS_UPDATE;
mesh_calc_modifiers(depsgraph, scene, ob, 1, false, dataMask, index, false, false, NULL, &final);
ob->transflag &= ~OB_NO_PSYS_UPDATE;
return final;
}
Mesh *mesh_create_eval_no_deform(Depsgraph *depsgraph,
Scene *scene,
Object *ob,