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/*
* 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.
*/
/** \file
* \ingroup edasset
*
* API for temporary loading of asset IDs.
* Uses the `BLO_library_temp_xxx()` API internally.
*/
#include <new>
#include "DNA_asset_types.h"
#include "DNA_space_types.h"
#include "BKE_report.h"
#include "BLI_utility_mixins.hh"
#include "BLO_readfile.h"
#include "MEM_guardedalloc.h"
#include "ED_asset_handle.h"
#include "ED_asset_temp_id_consumer.h"
using namespace blender;
class AssetTemporaryIDConsumer : NonCopyable, NonMovable {
const AssetHandle &handle_;
TempLibraryContext *temp_lib_context_ = nullptr;
public:
AssetTemporaryIDConsumer(const AssetHandle &handle) : handle_(handle)
{
}
~AssetTemporaryIDConsumer()
{
if (temp_lib_context_) {
BLO_library_temp_free(temp_lib_context_);
}
}
ID *get_local_id()
{
return ED_asset_handle_get_local_id(&handle_);
}
ID *import_id(const bContext *C,
const AssetLibraryReference &asset_library_ref,
ID_Type id_type,
Main &bmain,
ReportList &reports)
{
const char *asset_name = ED_asset_handle_get_name(&handle_);
char blend_file_path[FILE_MAX_LIBEXTRA];
ED_asset_handle_get_full_library_path(C, &asset_library_ref, &handle_, blend_file_path);
temp_lib_context_ = BLO_library_temp_load_id(
&bmain, blend_file_path, id_type, asset_name, &reports);
if (temp_lib_context_ == nullptr || temp_lib_context_->temp_id == nullptr) {
BKE_reportf(&reports, RPT_ERROR, "Unable to load %s from %s", asset_name, blend_file_path);
return nullptr;
}
BLI_assert(GS(temp_lib_context_->temp_id->name) == id_type);
return temp_lib_context_->temp_id;
}
};
AssetTempIDConsumer *ED_asset_temp_id_consumer_create(const AssetHandle *handle)
{
if (!handle) {
return nullptr;
}
BLI_assert(handle->file_data->asset_data != nullptr);
return reinterpret_cast<AssetTempIDConsumer *>(
OBJECT_GUARDED_NEW(AssetTemporaryIDConsumer, *handle));
}
void ED_asset_temp_id_consumer_free(AssetTempIDConsumer **consumer)
{
OBJECT_GUARDED_SAFE_DELETE(*consumer, AssetTemporaryIDConsumer);
}
ID *ED_asset_temp_id_consumer_ensure_local_id(AssetTempIDConsumer *consumer_,
const bContext *C,
const AssetLibraryReference *asset_library_ref,
ID_Type id_type,
Main *bmain,
ReportList *reports)
{
if (!(consumer_ && asset_library_ref && bmain && reports)) {
return nullptr;
}
AssetTemporaryIDConsumer *consumer = reinterpret_cast<AssetTemporaryIDConsumer *>(consumer_);
if (ID *local_id = consumer->get_local_id()) {
return local_id;
}
return consumer->import_id(C, *asset_library_ref, id_type, *bmain, *reports);
}
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