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Fix instances update when parent object is changed #33

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Bogdan Nagirniak merged 3 commits from BLEN-394 into hydra-render 2023-05-03 21:18:52 +02:00
Conversation 0 Commits 3 Files Changed 5 +10 -12
4 changed files with 10 additions and 12 deletions
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10
source/blender/render/hydra/scene_delegate/mesh.cc
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@ -17,7 +17,7 @@ namespace blender::render::hydra {
MeshData::MeshData(BlenderSceneDelegate *scene_delegate,
Object *object,
pxr::SdfPath const &prim_id)
: ObjectData(scene_delegate, object, prim_id)
: ObjectData(scene_delegate, object, prim_id), parent_(object->parent)
{
}
@ -67,13 +67,15 @@ void MeshData::update()
{
Object *object = (Object *)id;
if (parent_ != object->parent) {
/* parent was changed */
parent_ = object->parent;
if (parent_) {
pxr::SdfPath i_id = scene_delegate_->instancer_prim_id(parent_);
/* Looking for corresponded instancer and update it as parent */
for (Object *ob = parent_; ob != nullptr; ob = ob->parent) {
pxr::SdfPath i_id = scene_delegate_->instancer_prim_id(ob);
InstancerData *i_data = scene_delegate_->instancer_data(i_id);
if (i_data) {
i_data->update_as_parent();
break;
}
}
}

3
source/blender/render/hydra/scene_delegate/mesh.h
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@ -29,7 +29,7 @@ class MeshData : public ObjectData {
pxr::HdPrimvarDescriptorVector primvar_descriptors(pxr::HdInterpolation interpolation) const;
pxr::SdfPath material_id() const;
protected:
private:
void write_mesh(Mesh *mesh);
void write_material();
void write_uv_maps(Mesh *mesh);
@ -43,6 +43,7 @@ class MeshData : public ObjectData {
pxr::VtMatrix4dArray instances_;
MaterialData *mat_data_ = nullptr;
Object *parent_;
};
} // namespace blender::render::hydra

5
source/blender/render/hydra/scene_delegate/object.cc
View File

@ -13,10 +13,7 @@ namespace blender::render::hydra {
ObjectData::ObjectData(BlenderSceneDelegate *scene_delegate,
Object *object,
pxr::SdfPath const &prim_id)
: IdData(scene_delegate, (ID *)object, prim_id),
transform(pxr::GfMatrix4d(1.0)),
visible(true),
parent_(object->parent)
: IdData(scene_delegate, (ID *)object, prim_id), transform(pxr::GfMatrix4d(1.0)), visible(true)
{
}

4
source/blender/render/hydra/scene_delegate/object.h
View File

@ -29,9 +29,7 @@ class ObjectData : public IdData {
bool visible;
protected:
virtual void write_transform();
Object *parent_;
void write_transform();
};
using ObjectDataMap =