add BLI_pophead/tail, since getting the first element from a list and removing it is a common task.
992 lines
23 KiB
C
992 lines
23 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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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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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenkernel/intern/blender.c
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* \ingroup bke
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*/
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#ifndef _WIN32
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# include <unistd.h> // for read close
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#else
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# include <io.h> // for open close read
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# define open _open
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# define read _read
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# define close _close
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# define write _write
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <string.h>
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#include <fcntl.h> /* for open */
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#include <errno.h>
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#include "MEM_guardedalloc.h"
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#include "DNA_userdef_types.h"
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#include "DNA_scene_types.h"
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#include "DNA_screen_types.h"
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#include "DNA_sequence_types.h"
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#include "DNA_sound_types.h"
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#include "DNA_windowmanager_types.h"
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#include "BLI_blenlib.h"
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#include "BLI_dynstr.h"
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#include "BLI_utildefines.h"
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#include "BLI_callbacks.h"
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#include "IMB_imbuf.h"
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#include "IMB_moviecache.h"
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#include "BKE_blender.h"
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#include "BKE_bpath.h"
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#include "BKE_brush.h"
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#include "BKE_context.h"
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#include "BKE_depsgraph.h"
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#include "BKE_displist.h"
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#include "BKE_global.h"
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#include "BKE_idprop.h"
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#include "BKE_image.h"
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#include "BKE_ipo.h"
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#include "BKE_library.h"
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#include "BKE_main.h"
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#include "BKE_node.h"
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#include "BKE_report.h"
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#include "BKE_scene.h"
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#include "BKE_screen.h"
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#include "BKE_sequencer.h"
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#include "BKE_sound.h"
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#include "RE_pipeline.h"
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#include "BLF_api.h"
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#include "BLO_undofile.h"
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#include "BLO_readfile.h"
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#include "BLO_writefile.h"
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#include "RNA_access.h"
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#include "WM_api.h" // XXXXX BAD, very BAD dependency (bad level call) - remove asap, elubie
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#include "IMB_colormanagement.h"
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#ifdef WITH_PYTHON
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# include "BPY_extern.h"
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#endif
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Global G;
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UserDef U;
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/* ListBase = {NULL, NULL}; */
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char versionstr[48] = "";
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/* ********** free ********** */
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/* only to be called on exit blender */
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void free_blender(void)
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{
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/* samples are in a global list..., also sets G.main->sound->sample NULL */
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free_main(G.main);
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G.main = NULL;
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BKE_spacetypes_free(); /* after free main, it uses space callbacks */
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IMB_exit();
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BKE_images_exit();
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BKE_brush_system_exit();
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BLI_callback_global_finalize();
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BKE_sequencer_cache_destruct();
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IMB_moviecache_destruct();
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free_nodesystem();
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}
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void initglobals(void)
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{
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memset(&G, 0, sizeof(Global));
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U.savetime = 1;
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G.main = MEM_callocN(sizeof(Main), "initglobals");
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strcpy(G.ima, "//");
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if (BLENDER_SUBVERSION)
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BLI_snprintf(versionstr, sizeof(versionstr), "v%d.%02d.%d", BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION);
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else
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BLI_snprintf(versionstr, sizeof(versionstr), "v%d.%02d", BLENDER_VERSION / 100, BLENDER_VERSION % 100);
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#ifdef _WIN32
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G.windowstate = 0;
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#endif
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#ifndef WITH_PYTHON_SECURITY /* default */
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G.f |= G_SCRIPT_AUTOEXEC;
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#else
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G.f &= ~G_SCRIPT_AUTOEXEC;
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#endif
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}
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/***/
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static void clear_global(void)
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{
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// extern short winqueue_break; /* screen.c */
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free_main(G.main); /* free all lib data */
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// free_vertexpaint();
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G.main = NULL;
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}
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static bool clean_paths_visit_cb(void *UNUSED(userdata), char *path_dst, const char *path_src)
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{
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strcpy(path_dst, path_src);
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BLI_clean(path_dst);
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return !STREQ(path_dst, path_src);
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}
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/* make sure path names are correct for OS */
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static void clean_paths(Main *main)
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{
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Scene *scene;
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BKE_bpath_traverse_main(main, clean_paths_visit_cb, BKE_BPATH_TRAVERSE_SKIP_MULTIFILE, NULL);
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for (scene = main->scene.first; scene; scene = scene->id.next) {
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BLI_clean(scene->r.pic);
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}
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}
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/* context matching */
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/* handle no-ui case */
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/* note, this is called on Undo so any slow conversion functions here
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* should be avoided or check (mode!='u') */
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static void setup_app_data(bContext *C, BlendFileData *bfd, const char *filepath)
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{
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bScreen *curscreen = NULL;
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Scene *curscene = NULL;
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int recover;
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char mode;
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/* 'u' = undo save, 'n' = no UI load */
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if (bfd->main->screen.first == NULL) mode = 'u';
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else if (G.fileflags & G_FILE_NO_UI) mode = 'n';
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else mode = 0;
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recover = (G.fileflags & G_FILE_RECOVER);
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/* Free all render results, without this stale data gets displayed after loading files */
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if (mode != 'u') {
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RE_FreeAllRenderResults();
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}
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/* Only make filepaths compatible when loading for real (not undo) */
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if (mode != 'u') {
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clean_paths(bfd->main);
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}
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/* XXX here the complex windowmanager matching */
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/* no load screens? */
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if (mode) {
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/* comes from readfile.c */
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SWAP(ListBase, G.main->wm, bfd->main->wm);
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SWAP(ListBase, G.main->screen, bfd->main->screen);
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SWAP(ListBase, G.main->script, bfd->main->script);
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/* we re-use current screen */
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curscreen = CTX_wm_screen(C);
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/* but use new Scene pointer */
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curscene = bfd->curscene;
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if (curscene == NULL) curscene = bfd->main->scene.first;
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/* empty file, we add a scene to make Blender work */
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if (curscene == NULL) curscene = BKE_scene_add(bfd->main, "Empty");
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/* and we enforce curscene to be in current screen */
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if (curscreen) curscreen->scene = curscene; /* can run in bgmode */
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/* clear_global will free G.main, here we can still restore pointers */
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blo_lib_link_screen_restore(bfd->main, curscreen, curscene);
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}
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/* free G.main Main database */
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// CTX_wm_manager_set(C, NULL);
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clear_global();
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/* clear old property update cache, in case some old references are left dangling */
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RNA_property_update_cache_free();
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G.main = bfd->main;
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CTX_data_main_set(C, G.main);
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sound_init_main(G.main);
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if (bfd->user) {
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/* only here free userdef themes... */
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BKE_userdef_free();
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U = *bfd->user;
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MEM_freeN(bfd->user);
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}
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/* case G_FILE_NO_UI or no screens in file */
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if (mode) {
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/* leave entire context further unaltered? */
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CTX_data_scene_set(C, curscene);
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}
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else {
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G.winpos = bfd->winpos;
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G.displaymode = bfd->displaymode;
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G.fileflags = bfd->fileflags;
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CTX_wm_manager_set(C, G.main->wm.first);
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CTX_wm_screen_set(C, bfd->curscreen);
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CTX_data_scene_set(C, bfd->curscene);
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CTX_wm_area_set(C, NULL);
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CTX_wm_region_set(C, NULL);
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CTX_wm_menu_set(C, NULL);
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}
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/* this can happen when active scene was lib-linked, and doesn't exist anymore */
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if (CTX_data_scene(C) == NULL) {
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/* in case we don't even have a local scene, add one */
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if (!G.main->scene.first)
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BKE_scene_add(G.main, "Scene");
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CTX_data_scene_set(C, G.main->scene.first);
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CTX_wm_screen(C)->scene = CTX_data_scene(C);
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curscene = CTX_data_scene(C);
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}
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/* special cases, override loaded flags: */
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if (G.f != bfd->globalf) {
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const int flags_keep = (G_SWAP_EXCHANGE | G_SCRIPT_AUTOEXEC | G_SCRIPT_OVERRIDE_PREF);
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bfd->globalf = (bfd->globalf & ~flags_keep) | (G.f & flags_keep);
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}
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G.f = bfd->globalf;
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#ifdef WITH_PYTHON
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/* let python know about new main */
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BPY_context_update(C);
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#endif
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if (!G.background) {
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//setscreen(G.curscreen);
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}
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/* FIXME: this version patching should really be part of the file-reading code,
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* but we still get too many unrelated data-corruption crashes otherwise... */
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if (G.main->versionfile < 250)
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do_versions_ipos_to_animato(G.main);
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G.main->recovered = 0;
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/* startup.blend or recovered startup */
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if (bfd->filename[0] == 0) {
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G.main->name[0] = 0;
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}
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else if (recover && G.relbase_valid) {
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/* in case of autosave or quit.blend, use original filename instead
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* use relbase_valid to make sure the file is saved, else we get <memory2> in the filename */
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filepath = bfd->filename;
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G.main->recovered = 1;
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/* these are the same at times, should never copy to the same location */
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if (G.main->name != filepath)
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BLI_strncpy(G.main->name, filepath, FILE_MAX);
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}
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/* baseflags, groups, make depsgraph, etc */
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/* first handle case if other windows have different scenes visible */
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if (mode == 0) {
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wmWindowManager *wm = G.main->wm.first;
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if (wm) {
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wmWindow *win;
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for (win = wm->windows.first; win; win = win->next) {
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if (win->screen && win->screen->scene) /* zealous check... */
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if (win->screen->scene != CTX_data_scene(C))
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BKE_scene_set_background(G.main, win->screen->scene);
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}
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}
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}
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BKE_scene_set_background(G.main, CTX_data_scene(C));
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if (mode != 'u') {
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IMB_colormanagement_check_file_config(G.main);
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}
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MEM_freeN(bfd);
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}
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static int handle_subversion_warning(Main *main, ReportList *reports)
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{
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if (main->minversionfile > BLENDER_VERSION ||
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(main->minversionfile == BLENDER_VERSION &&
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main->minsubversionfile > BLENDER_SUBVERSION))
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{
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BKE_reportf(reports, RPT_ERROR, "File written by newer Blender binary (%d.%d), expect loss of data!",
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main->minversionfile, main->minsubversionfile);
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}
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return 1;
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}
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static void keymap_item_free(wmKeyMapItem *kmi)
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{
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if (kmi->properties) {
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IDP_FreeProperty(kmi->properties);
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MEM_freeN(kmi->properties);
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}
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if (kmi->ptr)
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MEM_freeN(kmi->ptr);
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}
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void BKE_userdef_free(void)
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{
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wmKeyMap *km;
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wmKeyMapItem *kmi;
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wmKeyMapDiffItem *kmdi;
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bAddon *addon, *addon_next;
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for (km = U.user_keymaps.first; km; km = km->next) {
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for (kmdi = km->diff_items.first; kmdi; kmdi = kmdi->next) {
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if (kmdi->add_item) {
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keymap_item_free(kmdi->add_item);
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MEM_freeN(kmdi->add_item);
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}
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if (kmdi->remove_item) {
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keymap_item_free(kmdi->remove_item);
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MEM_freeN(kmdi->remove_item);
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}
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}
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for (kmi = km->items.first; kmi; kmi = kmi->next)
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keymap_item_free(kmi);
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BLI_freelistN(&km->diff_items);
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BLI_freelistN(&km->items);
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}
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for (addon = U.addons.first; addon; addon = addon_next) {
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addon_next = addon->next;
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if (addon->prop) {
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IDP_FreeProperty(addon->prop);
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MEM_freeN(addon->prop);
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}
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MEM_freeN(addon);
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}
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BLI_freelistN(&U.autoexec_paths);
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BLI_freelistN(&U.uistyles);
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BLI_freelistN(&U.uifonts);
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BLI_freelistN(&U.themes);
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BLI_freelistN(&U.user_keymaps);
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}
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/* handle changes in settings that need recalc */
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void BKE_userdef_state(void)
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{
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/* prevent accidents */
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if (U.pixelsize == 0) U.pixelsize = 1;
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BLF_default_dpi(U.pixelsize * U.dpi);
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U.widget_unit = (U.pixelsize * U.dpi * 20 + 36) / 72;
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}
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int BKE_read_file(bContext *C, const char *filepath, ReportList *reports)
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{
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BlendFileData *bfd;
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int retval = BKE_READ_FILE_OK;
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if (strstr(filepath, BLENDER_STARTUP_FILE) == NULL) /* don't print user-pref loading */
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printf("read blend: %s\n", filepath);
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bfd = BLO_read_from_file(filepath, reports);
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if (bfd) {
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if (bfd->user) retval = BKE_READ_FILE_OK_USERPREFS;
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if (0 == handle_subversion_warning(bfd->main, reports)) {
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free_main(bfd->main);
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MEM_freeN(bfd);
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bfd = NULL;
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retval = BKE_READ_FILE_FAIL;
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}
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else
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setup_app_data(C, bfd, filepath); // frees BFD
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}
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else
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BKE_reports_prependf(reports, "Loading '%s' failed: ", filepath);
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return (bfd ? retval : BKE_READ_FILE_FAIL);
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}
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int BKE_read_file_from_memory(bContext *C, const void *filebuf, int filelength, ReportList *reports)
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{
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BlendFileData *bfd;
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bfd = BLO_read_from_memory(filebuf, filelength, reports);
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if (bfd)
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setup_app_data(C, bfd, "<memory2>");
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else
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BKE_reports_prepend(reports, "Loading failed: ");
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return (bfd ? 1 : 0);
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}
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/* memfile is the undo buffer */
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int BKE_read_file_from_memfile(bContext *C, MemFile *memfile, ReportList *reports)
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{
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BlendFileData *bfd;
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bfd = BLO_read_from_memfile(CTX_data_main(C), G.main->name, memfile, reports);
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if (bfd) {
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/* remove the unused screens and wm */
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while (bfd->main->wm.first)
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BKE_libblock_free(&bfd->main->wm, bfd->main->wm.first);
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while (bfd->main->screen.first)
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BKE_libblock_free(&bfd->main->screen, bfd->main->screen.first);
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setup_app_data(C, bfd, "<memory1>");
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}
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else
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BKE_reports_prepend(reports, "Loading failed: ");
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return (bfd ? 1 : 0);
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}
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/* only read the userdef from a .blend */
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int BKE_read_file_userdef(const char *filepath, ReportList *reports)
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{
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BlendFileData *bfd;
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int retval = 0;
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bfd = BLO_read_from_file(filepath, reports);
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if (bfd->user) {
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retval = BKE_READ_FILE_OK_USERPREFS;
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/* only here free userdef themes... */
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BKE_userdef_free();
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U = *bfd->user;
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MEM_freeN(bfd->user);
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}
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free_main(bfd->main);
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MEM_freeN(bfd);
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return retval;
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}
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|
/* only write the userdef in a .blend */
|
|
int BKE_write_file_userdef(const char *filepath, ReportList *reports)
|
|
{
|
|
Main *mainb = MEM_callocN(sizeof(Main), "empty main");
|
|
int retval = 0;
|
|
|
|
if (BLO_write_file(mainb, filepath, G_FILE_USERPREFS, reports, NULL)) {
|
|
retval = 1;
|
|
}
|
|
|
|
MEM_freeN(mainb);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/* ***************** testing for break ************* */
|
|
|
|
static void (*blender_test_break_cb)(void) = NULL;
|
|
|
|
void set_blender_test_break_cb(void (*func)(void) )
|
|
{
|
|
blender_test_break_cb = func;
|
|
}
|
|
|
|
|
|
int blender_test_break(void)
|
|
{
|
|
if (!G.background) {
|
|
if (blender_test_break_cb)
|
|
blender_test_break_cb();
|
|
}
|
|
|
|
return (G.is_break == TRUE);
|
|
}
|
|
|
|
|
|
/* ***************** GLOBAL UNDO *************** */
|
|
|
|
#define UNDO_DISK 0
|
|
|
|
typedef struct UndoElem {
|
|
struct UndoElem *next, *prev;
|
|
char str[FILE_MAX];
|
|
char name[BKE_UNDO_STR_MAX];
|
|
MemFile memfile;
|
|
uintptr_t undosize;
|
|
} UndoElem;
|
|
|
|
static ListBase undobase = {NULL, NULL};
|
|
static UndoElem *curundo = NULL;
|
|
|
|
|
|
static int read_undosave(bContext *C, UndoElem *uel)
|
|
{
|
|
char mainstr[sizeof(G.main->name)];
|
|
int success = 0, fileflags;
|
|
|
|
/* This is needed so undoing/redoing doesn't crash with threaded previews going */
|
|
WM_jobs_kill_all_except(CTX_wm_manager(C), CTX_wm_screen(C));
|
|
|
|
BLI_strncpy(mainstr, G.main->name, sizeof(mainstr)); /* temporal store */
|
|
|
|
fileflags = G.fileflags;
|
|
G.fileflags |= G_FILE_NO_UI;
|
|
|
|
if (UNDO_DISK)
|
|
success = (BKE_read_file(C, uel->str, NULL) != BKE_READ_FILE_FAIL);
|
|
else
|
|
success = BKE_read_file_from_memfile(C, &uel->memfile, NULL);
|
|
|
|
/* restore */
|
|
BLI_strncpy(G.main->name, mainstr, sizeof(G.main->name)); /* restore */
|
|
G.fileflags = fileflags;
|
|
|
|
if (success) {
|
|
/* important not to update time here, else non keyed tranforms are lost */
|
|
DAG_on_visible_update(G.main, FALSE);
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
/* name can be a dynamic string */
|
|
void BKE_write_undo(bContext *C, const char *name)
|
|
{
|
|
uintptr_t maxmem, totmem, memused;
|
|
int nr /*, success */ /* UNUSED */;
|
|
UndoElem *uel;
|
|
|
|
if ((U.uiflag & USER_GLOBALUNDO) == 0) {
|
|
return;
|
|
}
|
|
|
|
if (U.undosteps == 0) {
|
|
return;
|
|
}
|
|
|
|
/* remove all undos after (also when curundo == NULL) */
|
|
while (undobase.last != curundo) {
|
|
uel = undobase.last;
|
|
BLI_remlink(&undobase, uel);
|
|
BLO_free_memfile(&uel->memfile);
|
|
MEM_freeN(uel);
|
|
}
|
|
|
|
/* make new */
|
|
curundo = uel = MEM_callocN(sizeof(UndoElem), "undo file");
|
|
BLI_strncpy(uel->name, name, sizeof(uel->name));
|
|
BLI_addtail(&undobase, uel);
|
|
|
|
/* and limit amount to the maximum */
|
|
nr = 0;
|
|
uel = undobase.last;
|
|
while (uel) {
|
|
nr++;
|
|
if (nr == U.undosteps) break;
|
|
uel = uel->prev;
|
|
}
|
|
if (uel) {
|
|
while (undobase.first != uel) {
|
|
UndoElem *first = undobase.first;
|
|
BLI_remlink(&undobase, first);
|
|
/* the merge is because of compression */
|
|
BLO_merge_memfile(&first->memfile, &first->next->memfile);
|
|
MEM_freeN(first);
|
|
}
|
|
}
|
|
|
|
|
|
/* disk save version */
|
|
if (UNDO_DISK) {
|
|
static int counter = 0;
|
|
char filepath[FILE_MAX];
|
|
char numstr[32];
|
|
int fileflags = G.fileflags & ~(G_FILE_HISTORY); /* don't do file history on undo */
|
|
|
|
/* calculate current filepath */
|
|
counter++;
|
|
counter = counter % U.undosteps;
|
|
|
|
BLI_snprintf(numstr, sizeof(numstr), "%d.blend", counter);
|
|
BLI_make_file_string("/", filepath, BLI_temporary_dir(), numstr);
|
|
|
|
/* success = */ /* UNUSED */ BLO_write_file(CTX_data_main(C), filepath, fileflags, NULL, NULL);
|
|
|
|
BLI_strncpy(curundo->str, filepath, sizeof(curundo->str));
|
|
}
|
|
else {
|
|
MemFile *prevfile = NULL;
|
|
|
|
if (curundo->prev) prevfile = &(curundo->prev->memfile);
|
|
|
|
memused = MEM_get_memory_in_use();
|
|
/* success = */ /* UNUSED */ BLO_write_file_mem(CTX_data_main(C), prevfile, &curundo->memfile, G.fileflags);
|
|
curundo->undosize = MEM_get_memory_in_use() - memused;
|
|
}
|
|
|
|
if (U.undomemory != 0) {
|
|
/* limit to maximum memory (afterwards, we can't know in advance) */
|
|
totmem = 0;
|
|
maxmem = ((uintptr_t)U.undomemory) * 1024 * 1024;
|
|
|
|
/* keep at least two (original + other) */
|
|
uel = undobase.last;
|
|
while (uel && uel->prev) {
|
|
totmem += uel->undosize;
|
|
if (totmem > maxmem) break;
|
|
uel = uel->prev;
|
|
}
|
|
|
|
if (uel) {
|
|
if (uel->prev && uel->prev->prev)
|
|
uel = uel->prev;
|
|
|
|
while (undobase.first != uel) {
|
|
UndoElem *first = undobase.first;
|
|
BLI_remlink(&undobase, first);
|
|
/* the merge is because of compression */
|
|
BLO_merge_memfile(&first->memfile, &first->next->memfile);
|
|
MEM_freeN(first);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 1 = an undo, -1 is a redo. we have to make sure 'curundo' remains at current situation */
|
|
void BKE_undo_step(bContext *C, int step)
|
|
{
|
|
|
|
if (step == 0) {
|
|
read_undosave(C, curundo);
|
|
}
|
|
else if (step == 1) {
|
|
/* curundo should never be NULL, after restart or load file it should call undo_save */
|
|
if (curundo == NULL || curundo->prev == NULL) {
|
|
// XXX error("No undo available");
|
|
}
|
|
else {
|
|
if (G.debug & G_DEBUG) printf("undo %s\n", curundo->name);
|
|
curundo = curundo->prev;
|
|
read_undosave(C, curundo);
|
|
}
|
|
}
|
|
else {
|
|
/* curundo has to remain current situation! */
|
|
|
|
if (curundo == NULL || curundo->next == NULL) {
|
|
// XXX error("No redo available");
|
|
}
|
|
else {
|
|
read_undosave(C, curundo->next);
|
|
curundo = curundo->next;
|
|
if (G.debug & G_DEBUG) printf("redo %s\n", curundo->name);
|
|
}
|
|
}
|
|
}
|
|
|
|
void BKE_reset_undo(void)
|
|
{
|
|
UndoElem *uel;
|
|
|
|
uel = undobase.first;
|
|
while (uel) {
|
|
BLO_free_memfile(&uel->memfile);
|
|
uel = uel->next;
|
|
}
|
|
|
|
BLI_freelistN(&undobase);
|
|
curundo = NULL;
|
|
}
|
|
|
|
/* based on index nr it does a restore */
|
|
void BKE_undo_number(bContext *C, int nr)
|
|
{
|
|
curundo = BLI_findlink(&undobase, nr);
|
|
BKE_undo_step(C, 0);
|
|
}
|
|
|
|
/* go back to the last occurance of name in stack */
|
|
void BKE_undo_name(bContext *C, const char *name)
|
|
{
|
|
UndoElem *uel = BLI_rfindstring(&undobase, name, offsetof(UndoElem, name));
|
|
|
|
if (uel && uel->prev) {
|
|
curundo = uel->prev;
|
|
BKE_undo_step(C, 0);
|
|
}
|
|
}
|
|
|
|
/* name optional */
|
|
int BKE_undo_valid(const char *name)
|
|
{
|
|
if (name) {
|
|
UndoElem *uel = BLI_rfindstring(&undobase, name, offsetof(UndoElem, name));
|
|
return uel && uel->prev;
|
|
}
|
|
|
|
return undobase.last != undobase.first;
|
|
}
|
|
|
|
/* get name of undo item, return null if no item with this index */
|
|
/* if active pointer, set it to 1 if true */
|
|
const char *BKE_undo_get_name(int nr, int *active)
|
|
{
|
|
UndoElem *uel = BLI_findlink(&undobase, nr);
|
|
|
|
if (active) *active = 0;
|
|
|
|
if (uel) {
|
|
if (active && uel == curundo)
|
|
*active = 1;
|
|
return uel->name;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* saves .blend using undo buffer, returns 1 == success */
|
|
int BKE_undo_save_file(const char *filename)
|
|
{
|
|
UndoElem *uel;
|
|
MemFileChunk *chunk;
|
|
const int flag = O_BINARY + O_WRONLY + O_CREAT + O_TRUNC + O_EXCL;
|
|
int file;
|
|
|
|
if ((U.uiflag & USER_GLOBALUNDO) == 0) {
|
|
return 0;
|
|
}
|
|
|
|
uel = curundo;
|
|
if (uel == NULL) {
|
|
fprintf(stderr, "No undo buffer to save recovery file\n");
|
|
return 0;
|
|
}
|
|
|
|
/* first try create the file, if it exists call without 'O_CREAT',
|
|
* to avoid writing to a symlink - use 'O_EXCL' (CVE-2008-1103) */
|
|
errno = 0;
|
|
file = BLI_open(filename, flag, 0666);
|
|
if (file < 0) {
|
|
if (errno == EEXIST) {
|
|
errno = 0;
|
|
file = BLI_open(filename, flag & ~O_CREAT, 0666);
|
|
}
|
|
}
|
|
|
|
if (file == -1) {
|
|
fprintf(stderr, "Unable to save '%s': %s\n",
|
|
filename, errno ? strerror(errno) : "Unknown error opening file");
|
|
return 0;
|
|
}
|
|
|
|
for (chunk = uel->memfile.chunks.first; chunk; chunk = chunk->next) {
|
|
if (write(file, chunk->buf, chunk->size) != chunk->size) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
close(file);
|
|
|
|
if (chunk) {
|
|
fprintf(stderr, "Unable to save '%s': %s\n",
|
|
filename, errno ? strerror(errno) : "Unknown error writing file");
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* sets curscene */
|
|
Main *BKE_undo_get_main(Scene **scene)
|
|
{
|
|
Main *mainp = NULL;
|
|
BlendFileData *bfd = BLO_read_from_memfile(G.main, G.main->name, &curundo->memfile, NULL);
|
|
|
|
if (bfd) {
|
|
mainp = bfd->main;
|
|
if (scene)
|
|
*scene = bfd->curscene;
|
|
|
|
MEM_freeN(bfd);
|
|
}
|
|
|
|
return mainp;
|
|
}
|
|
|
|
/* ************** copy paste .blend, partial saves ********** */
|
|
|
|
/* assumes data is in G.main */
|
|
|
|
void BKE_copybuffer_begin(void)
|
|
{
|
|
/* set all id flags to zero; */
|
|
flag_all_listbases_ids(LIB_NEED_EXPAND | LIB_DOIT, 0);
|
|
}
|
|
|
|
void BKE_copybuffer_tag_ID(ID *id)
|
|
{
|
|
id->flag |= LIB_NEED_EXPAND | LIB_DOIT;
|
|
}
|
|
|
|
static void copybuffer_doit(void *UNUSED(handle), Main *UNUSED(bmain), void *vid)
|
|
{
|
|
if (vid) {
|
|
ID *id = vid;
|
|
/* only tag for need-expand if not done, prevents eternal loops */
|
|
if ((id->flag & LIB_DOIT) == 0)
|
|
id->flag |= LIB_NEED_EXPAND | LIB_DOIT;
|
|
}
|
|
}
|
|
|
|
/* frees main in end */
|
|
int BKE_copybuffer_save(const char *filename, ReportList *reports)
|
|
{
|
|
Main *mainb = MEM_callocN(sizeof(Main), "copybuffer");
|
|
ListBase *lbarray[MAX_LIBARRAY], *fromarray[MAX_LIBARRAY];
|
|
int a, retval;
|
|
|
|
BLO_main_expander(copybuffer_doit);
|
|
BLO_expand_main(NULL, G.main);
|
|
|
|
/* move over all tagged blocks */
|
|
set_listbasepointers(G.main, fromarray);
|
|
a = set_listbasepointers(mainb, lbarray);
|
|
while (a--) {
|
|
ID *id, *nextid;
|
|
ListBase *lb1 = lbarray[a], *lb2 = fromarray[a];
|
|
|
|
for (id = lb2->first; id; id = nextid) {
|
|
nextid = id->next;
|
|
if (id->flag & LIB_DOIT) {
|
|
BLI_remlink(lb2, id);
|
|
BLI_addtail(lb1, id);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* save the buffer */
|
|
retval = BLO_write_file(mainb, filename, 0, reports, NULL);
|
|
|
|
/* move back the main, now sorted again */
|
|
set_listbasepointers(G.main, lbarray);
|
|
a = set_listbasepointers(mainb, fromarray);
|
|
while (a--) {
|
|
ID *id;
|
|
ListBase *lb1 = lbarray[a], *lb2 = fromarray[a];
|
|
|
|
while ((id = BLI_pophead(lb2))) {
|
|
BLI_addtail(lb1, id);
|
|
id_sort_by_name(lb1, id);
|
|
}
|
|
}
|
|
|
|
MEM_freeN(mainb);
|
|
|
|
/* set id flag to zero; */
|
|
flag_all_listbases_ids(LIB_NEED_EXPAND | LIB_DOIT, 0);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/* return success (1) */
|
|
int BKE_copybuffer_paste(bContext *C, const char *libname, ReportList *reports)
|
|
{
|
|
Main *bmain = CTX_data_main(C);
|
|
Scene *scene = CTX_data_scene(C);
|
|
Main *mainl = NULL;
|
|
Library *lib;
|
|
BlendHandle *bh;
|
|
|
|
bh = BLO_blendhandle_from_file(libname, reports);
|
|
|
|
if (bh == NULL) {
|
|
/* error reports will have been made by BLO_blendhandle_from_file() */
|
|
return 0;
|
|
}
|
|
|
|
BKE_scene_base_deselect_all(scene);
|
|
|
|
/* tag everything, all untagged data can be made local
|
|
* its also generally useful to know what is new
|
|
*
|
|
* take extra care flag_all_listbases_ids(LIB_LINK_TAG, 0) is called after! */
|
|
flag_all_listbases_ids(LIB_PRE_EXISTING, 1);
|
|
|
|
/* here appending/linking starts */
|
|
mainl = BLO_library_append_begin(bmain, &bh, libname);
|
|
|
|
BLO_library_append_all(mainl, bh);
|
|
|
|
BLO_library_append_end(C, mainl, &bh, 0, 0);
|
|
|
|
/* mark all library linked objects to be updated */
|
|
recalc_all_library_objects(bmain);
|
|
IMB_colormanagement_check_file_config(bmain);
|
|
|
|
/* append, rather than linking */
|
|
lib = BLI_findstring(&bmain->library, libname, offsetof(Library, filepath));
|
|
BKE_library_make_local(bmain, lib, true);
|
|
|
|
/* important we unset, otherwise these object wont
|
|
* link into other scenes from this blend file */
|
|
flag_all_listbases_ids(LIB_PRE_EXISTING, 0);
|
|
|
|
/* recreate dependency graph to include new objects */
|
|
DAG_relations_tag_update(bmain);
|
|
|
|
BLO_blendhandle_close(bh);
|
|
/* remove library... */
|
|
|
|
return 1;
|
|
}
|