Campbell Barton
afd8e4bce7
The intention with this API function was to temporarily load ID's tagged LIB_TAG_TEMP_MAIN, however the way the `real_main` was used, these ID's were loaded into the G.main.
72 lines
2.8 KiB
C
72 lines
2.8 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup blenloader
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*/
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#include "BLO_readfile.h"
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#include "MEM_guardedalloc.h"
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#include "BLI_string.h"
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#include "BKE_main.h"
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#include "BKE_report.h"
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#include "DNA_ID.h"
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TempLibraryContext *BLO_library_temp_load_id(struct Main *real_main,
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const char *blend_file_path,
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const short idcode,
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const char *idname,
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struct ReportList *reports)
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{
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TempLibraryContext *temp_lib_ctx = MEM_callocN(sizeof(*temp_lib_ctx), __func__);
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temp_lib_ctx->bmain_base = BKE_main_new();
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/* Copy the file path so any path remapping is performed properly. */
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STRNCPY(temp_lib_ctx->bmain_base->name, real_main->name);
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temp_lib_ctx->blendhandle = BLO_blendhandle_from_file(blend_file_path, reports);
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BLO_library_link_params_init(
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&temp_lib_ctx->liblink_params, temp_lib_ctx->bmain_base, 0, LIB_TAG_TEMP_MAIN);
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temp_lib_ctx->bmain_lib = BLO_library_link_begin(
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&temp_lib_ctx->blendhandle, blend_file_path, &temp_lib_ctx->liblink_params);
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temp_lib_ctx->temp_id = BLO_library_link_named_part(temp_lib_ctx->bmain_lib,
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&temp_lib_ctx->blendhandle,
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idcode,
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idname,
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&temp_lib_ctx->liblink_params);
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return temp_lib_ctx;
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}
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void BLO_library_temp_free(TempLibraryContext *temp_lib_ctx)
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{
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/* This moves the temporary ID and any indirectly loaded data into `bmain_base`
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* only to free `bmain_base`, while redundant this is the typical code-path for library linking,
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* it's more convenient to follow this convention rather than create a new code-path for this
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* one-off use case. */
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BLO_library_link_end(
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temp_lib_ctx->bmain_lib, &temp_lib_ctx->blendhandle, &temp_lib_ctx->liblink_params);
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BLO_blendhandle_close(temp_lib_ctx->blendhandle);
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BKE_main_free(temp_lib_ctx->bmain_base);
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MEM_freeN(temp_lib_ctx);
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}
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