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Export volumes #58

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Bogdan Nagirniak merged 10 commits from BLEN-384 into hydra-render 2023-07-04 09:57:33 +02:00
Conversation 0 Commits 10 Files Changed 9 +18 -17
3 changed files with 18 additions and 17 deletions
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Showing only changes of commit 8432393478 - Show all commits

2
source/blender/render/hydra/scene_delegate/blender_scene_delegate.cc
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@ -284,7 +284,7 @@ pxr::SdfPath BlenderSceneDelegate::world_prim_id() const
ObjectData *BlenderSceneDelegate::object_data(pxr::SdfPath const &id) const
{
pxr::SdfPath p_id = (id.GetName().find("SM_") == 0 || id.GetName().find("field_") == 0) ? id.GetParentPath() : id;
pxr::SdfPath p_id = (id.GetName().find("SM_") == 0 || id.GetName().find("VF_") == 0) ? id.GetParentPath() : id;
auto obj_data = objects_.lookup_ptr(p_id);
if (obj_data) {
return obj_data->get();

31
source/blender/render/hydra/scene_delegate/volume.cc
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@ -2,7 +2,6 @@
* Copyright 2011-2022 Blender Foundation */
#include <pxr/imaging/hd/tokens.h>
#include <pxr/imaging/hd/volume.h>
#include <pxr/imaging/hd/bprim.h>
#include <pxr/imaging/hd/volumeFieldSchema.h>
#include <pxr/usd/usdHydra/tokens.h>
@ -28,6 +27,15 @@ VolumeData::VolumeData(BlenderSceneDelegate *scene_delegate,
void VolumeData::init()
{
ID_LOG(1, "");
Volume *volume = (Volume *)((Object *)this->id)->data;
Main *main = CTX_data_main(scene_delegate_->context);
if (!BKE_volume_load(volume, main)) {
return;
}
filepath_ = BKE_volume_grids_frame_filepath(volume);
if (BKE_volume_is_loaded(volume)) {
BKE_volume_unload(volume);
}
write_transform();
}
@ -52,18 +60,13 @@ void VolumeData::update()
}
pxr::VtValue VolumeData::get_data(pxr::SdfPath const &id, pxr::TfToken const &key) const
{
Volume *volume = (Volume *)((Object *)this->id)->data;
Main *main = CTX_data_main(scene_delegate_->context);
BKE_volume_load(volume, main);
{
if (key == pxr::HdVolumeFieldSchemaTokens->filePath) {
auto path = BKE_volume_grids_frame_filepath(volume);
return pxr::VtValue(pxr::SdfAssetPath(path, path));
return pxr::VtValue(pxr::SdfAssetPath(filepath_, filepath_));
}
if (key == pxr::HdVolumeFieldSchemaTokens->fieldName) {
std::string name = id.GetName();
auto a = name.substr(name.find("_") + 1);
return pxr::VtValue(pxr::TfToken(name.substr(name.find("_") + 1)));
return pxr::VtValue(pxr::TfToken(name.substr(name.find("VF_") + 3)));
}
if (key == pxr::HdVolumeFieldSchemaTokens->fieldIndex) {
return pxr::VtValue(0);
@ -71,7 +74,6 @@ pxr::VtValue VolumeData::get_data(pxr::SdfPath const &id, pxr::TfToken const &ke
if (key == pxr::UsdHydraTokens->textureMemory) {
return pxr::VtValue(0.0f);
}
BKE_volume_unload(volume);
return pxr::VtValue();
}
@ -82,10 +84,10 @@ bool VolumeData::update_visibility()
pxr::HdVolumeFieldDescriptorVector VolumeData::volume_field_descriptors() const
{
pxr::HdVolumeFieldDescriptorVector volume_field_descriptors;
Volume *volume = (Volume *)((Object *)id)->data;
Main *main = CTX_data_main(scene_delegate_->context);
if (!BKE_volume_load(volume, main)) {
if (!BKE_volume_is_loaded(volume) && !BKE_volume_load(volume, main)) {
return pxr::HdVolumeFieldDescriptorVector();
}
@ -94,8 +96,7 @@ pxr::HdVolumeFieldDescriptorVector VolumeData::volume_field_descriptors() const
return pxr::HdVolumeFieldDescriptorVector();
}
const std::string grid_path = BKE_volume_grids_frame_filepath(volume);
pxr::HdVolumeFieldDescriptorVector volume_field_descriptors;
for (const int i : IndexRange(num_grids)) {
const VolumeGrid *grid = BKE_volume_grid_get_for_read(volume, i);
const std::string grid_name = BKE_volume_grid_name(grid);
@ -103,7 +104,7 @@ pxr::HdVolumeFieldDescriptorVector VolumeData::volume_field_descriptors() const
pxr::HdVolumeFieldDescriptor desc = pxr::HdVolumeFieldDescriptor(
pxr::TfToken(grid_name),
pxr::UsdVolImagingTokens->openvdbAsset,
prim_id.AppendElementString("field_" + grid_name));
prim_id.AppendElementString("VF_" + grid_name));
volume_field_descriptors.push_back(desc);
}

2
source/blender/render/hydra/scene_delegate/volume.h
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@ -25,7 +25,7 @@ class VolumeData : public ObjectData {
pxr::HdVolumeFieldDescriptorVector volume_field_descriptors() const;
private:
;
std::string filepath_;
};
} // namespace blender::render::hydra