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blender-archive/source/blender/blenkernel/intern/geometry_component_volume.cc
Jacques Lucke c6ff722a1f Spreadsheet: support showing data of specific node
Previously, the spreadsheet editor could only show data of the original
and of the final evaluated object. Now it is possible to show the data
at some intermediate stages too.

For that the mode has to be set to "Node" in the spreadsheet editor.
Furthermore, the preview of a specific node has to be activated by
clicking the new icon in the header of geometry nodes.

The exact ui of this feature might be refined in upcoming commits.
It is already very useful for debugging node groups in it's current
state though.

Differential Revision: https://developer.blender.org/D10875
2021-04-08 17:35:37 +02:00

115 lines
3.2 KiB
C++

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "DNA_volume_types.h"
#include "BKE_geometry_set.hh"
#include "BKE_lib_id.h"
#include "BKE_volume.h"
/* -------------------------------------------------------------------- */
/** \name Geometry Component Implementation
* \{ */
VolumeComponent::VolumeComponent() : GeometryComponent(GEO_COMPONENT_TYPE_VOLUME)
{
}
VolumeComponent::~VolumeComponent()
{
this->clear();
}
GeometryComponent *VolumeComponent::copy() const
{
VolumeComponent *new_component = new VolumeComponent();
if (volume_ != nullptr) {
new_component->volume_ = BKE_volume_copy_for_eval(volume_, false);
new_component->ownership_ = GeometryOwnershipType::Owned;
}
return new_component;
}
void VolumeComponent::clear()
{
BLI_assert(this->is_mutable());
if (volume_ != nullptr) {
if (ownership_ == GeometryOwnershipType::Owned) {
BKE_id_free(nullptr, volume_);
}
volume_ = nullptr;
}
}
bool VolumeComponent::has_volume() const
{
return volume_ != nullptr;
}
/* Clear the component and replace it with the new volume. */
void VolumeComponent::replace(Volume *volume, GeometryOwnershipType ownership)
{
BLI_assert(this->is_mutable());
this->clear();
volume_ = volume;
ownership_ = ownership;
}
/* Return the volume and clear the component. The caller takes over responsibility for freeing the
* volume (if the component was responsible before). */
Volume *VolumeComponent::release()
{
BLI_assert(this->is_mutable());
Volume *volume = volume_;
volume_ = nullptr;
return volume;
}
/* Get the volume from this component. This method can be used by multiple threads at the same
* time. Therefore, the returned volume should not be modified. No ownership is transferred. */
const Volume *VolumeComponent::get_for_read() const
{
return volume_;
}
/* Get the volume from this component. This method can only be used when the component is mutable,
* i.e. it is not shared. The returned volume can be modified. No ownership is transferred. */
Volume *VolumeComponent::get_for_write()
{
BLI_assert(this->is_mutable());
if (ownership_ == GeometryOwnershipType::ReadOnly) {
volume_ = BKE_volume_copy_for_eval(volume_, false);
ownership_ = GeometryOwnershipType::Owned;
}
return volume_;
}
bool VolumeComponent::owns_direct_data() const
{
return ownership_ == GeometryOwnershipType::Owned;
}
void VolumeComponent::ensure_owns_direct_data()
{
BLI_assert(this->is_mutable());
if (ownership_ != GeometryOwnershipType::Owned) {
volume_ = BKE_volume_copy_for_eval(volume_, false);
ownership_ = GeometryOwnershipType::Owned;
}
}
/** \} */