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Diffstat (limited to 'source/blender/blenkernel/intern/blender.c')
-rw-r--r--source/blender/blenkernel/intern/blender.c977
1 files changed, 21 insertions, 956 deletions
diff --git a/source/blender/blenkernel/intern/blender.c b/source/blender/blenkernel/intern/blender.c
index baf93ffd824..15492fbd20d 100644
--- a/source/blender/blenkernel/intern/blender.c
+++ b/source/blender/blenkernel/intern/blender.c
@@ -27,89 +27,55 @@
/** \file blender/blenkernel/intern/blender.c
* \ingroup bke
+ *
+ * Application level startup/shutdown functionality.
*/
-#ifndef _GNU_SOURCE
-/* Needed for O_NOFOLLOW on some platforms. */
-# define _GNU_SOURCE 1
-#endif
-
-#ifndef _WIN32
-# include <unistd.h> // for read close
-#else
-# include <io.h> // for open close read
-#endif
-
#include <stdlib.h>
#include <stdio.h>
-#include <stddef.h>
#include <string.h>
-#include <fcntl.h> /* for open */
-#include <errno.h>
#include "MEM_guardedalloc.h"
-#include "DNA_userdef_types.h"
-#include "DNA_scene_types.h"
-#include "DNA_screen_types.h"
-#include "DNA_view3d_types.h"
-#include "DNA_windowmanager_types.h"
-
-#include "BLI_blenlib.h"
+#include "BLI_string.h"
+#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "BLI_callbacks.h"
#include "IMB_imbuf.h"
#include "IMB_moviecache.h"
-#include "BKE_appdir.h"
-#include "BKE_blender.h"
-#include "BKE_bpath.h"
+#include "BKE_blender.h" /* own include */
+#include "BKE_blender_version.h" /* own include */
+#include "BKE_blendfile.h"
#include "BKE_brush.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_image.h"
-#include "BKE_ipo.h"
#include "BKE_library.h"
-#include "BKE_main.h"
#include "BKE_node.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "BKE_sequencer.h"
-#include "BKE_sound.h"
#include "RE_pipeline.h"
#include "RE_render_ext.h"
#include "BLF_api.h"
-#include "BLO_undofile.h"
-#include "BLO_readfile.h"
-#include "BLO_writefile.h"
-
-#include "RNA_access.h"
-
-#include "WM_api.h" // XXXXX BAD, very BAD dependency (bad level call) - remove asap, elubie
-
-#include "IMB_colormanagement.h"
-
-#ifdef WITH_PYTHON
-# include "BPY_extern.h"
-#endif
Global G;
UserDef U;
-/* ListBase = {NULL, NULL}; */
char versionstr[48] = "";
/* ********** free ********** */
/* only to be called on exit blender */
-void free_blender(void)
+void BKE_blender_free(void)
{
/* samples are in a global list..., also sets G.main->sound->sample NULL */
BKE_main_free(G.main);
@@ -132,7 +98,7 @@ void free_blender(void)
free_nodesystem();
}
-void initglobals(void)
+void BKE_blender_globals_init(void)
{
memset(&G, 0, sizeof(Global));
@@ -154,300 +120,14 @@ void initglobals(void)
#endif
}
-/***/
-
-static void clear_global(void)
+void BKE_blender_globals_clear(void)
{
-// extern short winqueue_break; /* screen.c */
-
BKE_main_free(G.main); /* free all lib data */
-
-// free_vertexpaint();
G.main = NULL;
}
-static bool clean_paths_visit_cb(void *UNUSED(userdata), char *path_dst, const char *path_src)
-{
- strcpy(path_dst, path_src);
- BLI_path_native_slash(path_dst);
- return !STREQ(path_dst, path_src);
-}
-
-/* make sure path names are correct for OS */
-static void clean_paths(Main *main)
-{
- Scene *scene;
-
- BKE_bpath_traverse_main(main, clean_paths_visit_cb, BKE_BPATH_TRAVERSE_SKIP_MULTIFILE, NULL);
-
- for (scene = main->scene.first; scene; scene = scene->id.next) {
- BLI_path_native_slash(scene->r.pic);
- }
-}
-
-static bool wm_scene_is_visible(wmWindowManager *wm, Scene *scene)
-{
- wmWindow *win;
- for (win = wm->windows.first; win; win = win->next) {
- if (win->screen->scene == scene) {
- return true;
- }
- }
- return false;
-}
-
-/**
- * Context matching, handle no-ui case
- *
- * \note this is called on Undo so any slow conversion functions here
- * should be avoided or check (mode != LOAD_UNDO).
- *
- * \param bfd: Blend file data, freed by this function on exit.
- * \param filepath: File path or identifier.
- */
-static void setup_app_data(
- bContext *C, BlendFileData *bfd,
- const char *filepath, ReportList *reports)
-{
- Scene *curscene = NULL;
- const bool recover = (G.fileflags & G_FILE_RECOVER) != 0;
- enum {
- LOAD_UI = 1,
- LOAD_UI_OFF,
- LOAD_UNDO,
- } mode;
-
- if (BLI_listbase_is_empty(&bfd->main->screen)) {
- mode = LOAD_UNDO;
- }
- else if (G.fileflags & G_FILE_NO_UI) {
- mode = LOAD_UI_OFF;
- }
- else {
- mode = LOAD_UI;
- }
-
- if (mode != LOAD_UNDO) {
- /* may happen with library files */
- if (ELEM(NULL, bfd->curscreen, bfd->curscene)) {
- BKE_report(reports, RPT_WARNING, "Library file, loading empty scene");
- mode = LOAD_UI_OFF;
- }
- }
-
- /* Free all render results, without this stale data gets displayed after loading files */
- if (mode != LOAD_UNDO) {
- RE_FreeAllRenderResults();
- }
-
- /* Only make filepaths compatible when loading for real (not undo) */
- if (mode != LOAD_UNDO) {
- clean_paths(bfd->main);
- }
-
- /* XXX here the complex windowmanager matching */
-
- /* no load screens? */
- if (mode != LOAD_UI) {
- /* Logic for 'track_undo_scene' is to keep using the scene which the active screen has,
- * as long as the scene associated with the undo operation is visible in one of the open windows.
- *
- * - 'curscreen->scene' - scene the user is currently looking at.
- * - 'bfd->curscene' - scene undo-step was created in.
- *
- * This means users can have 2+ windows open and undo in both without screens switching.
- * But if they close one of the screens,
- * undo will ensure that the scene being operated on will be activated
- * (otherwise we'd be undoing on an off-screen scene which isn't acceptable).
- * see: T43424
- */
- bScreen *curscreen = NULL;
- bool track_undo_scene;
-
- /* comes from readfile.c */
- SWAP(ListBase, G.main->wm, bfd->main->wm);
- SWAP(ListBase, G.main->screen, bfd->main->screen);
-
- /* we re-use current screen */
- curscreen = CTX_wm_screen(C);
- /* but use new Scene pointer */
- curscene = bfd->curscene;
-
- track_undo_scene = (mode == LOAD_UNDO && curscreen && curscene && bfd->main->wm.first);
-
- if (curscene == NULL) {
- curscene = bfd->main->scene.first;
- }
- /* empty file, we add a scene to make Blender work */
- if (curscene == NULL) {
- curscene = BKE_scene_add(bfd->main, "Empty");
- }
-
- if (track_undo_scene) {
- /* keep the old (free'd) scene, let 'blo_lib_link_screen_restore'
- * replace it with 'curscene' if its needed */
- }
- else {
- /* and we enforce curscene to be in current screen */
- if (curscreen) {
- /* can run in bgmode */
- curscreen->scene = curscene;
- }
- }
-
- /* clear_global will free G.main, here we can still restore pointers */
- blo_lib_link_screen_restore(bfd->main, curscreen, curscene);
- /* curscreen might not be set when loading without ui (see T44217) so only re-assign if available */
- if (curscreen) {
- curscene = curscreen->scene;
- }
-
- if (track_undo_scene) {
- wmWindowManager *wm = bfd->main->wm.first;
- if (wm_scene_is_visible(wm, bfd->curscene) == false) {
- curscene = bfd->curscene;
- curscreen->scene = curscene;
- BKE_screen_view3d_scene_sync(curscreen);
- }
- }
- }
-
- /* free G.main Main database */
-// CTX_wm_manager_set(C, NULL);
- clear_global();
-
- /* clear old property update cache, in case some old references are left dangling */
- RNA_property_update_cache_free();
-
- G.main = bfd->main;
-
- CTX_data_main_set(C, G.main);
-
- if (bfd->user) {
-
- /* only here free userdef themes... */
- BKE_userdef_free();
-
- U = *bfd->user;
-
- /* Security issue: any blend file could include a USER block.
- *
- * Currently we load prefs from BLENDER_STARTUP_FILE and later on load BLENDER_USERPREF_FILE,
- * to load the preferences defined in the users home dir.
- *
- * This means we will never accidentally (or maliciously)
- * enable scripts auto-execution by loading a '.blend' file.
- */
- U.flag |= USER_SCRIPT_AUTOEXEC_DISABLE;
-
- MEM_freeN(bfd->user);
- }
-
- /* case G_FILE_NO_UI or no screens in file */
- if (mode != LOAD_UI) {
- /* leave entire context further unaltered? */
- CTX_data_scene_set(C, curscene);
- }
- else {
- G.fileflags = bfd->fileflags;
- CTX_wm_manager_set(C, G.main->wm.first);
- CTX_wm_screen_set(C, bfd->curscreen);
- CTX_data_scene_set(C, bfd->curscene);
- CTX_wm_area_set(C, NULL);
- CTX_wm_region_set(C, NULL);
- CTX_wm_menu_set(C, NULL);
- curscene = bfd->curscene;
- }
-
- /* this can happen when active scene was lib-linked, and doesn't exist anymore */
- if (CTX_data_scene(C) == NULL) {
- /* in case we don't even have a local scene, add one */
- if (!G.main->scene.first)
- BKE_scene_add(G.main, "Empty");
-
- CTX_data_scene_set(C, G.main->scene.first);
- CTX_wm_screen(C)->scene = CTX_data_scene(C);
- curscene = CTX_data_scene(C);
- }
-
- BLI_assert(curscene == CTX_data_scene(C));
-
-
- /* special cases, override loaded flags: */
- if (G.f != bfd->globalf) {
- const int flags_keep = (G_SWAP_EXCHANGE | G_SCRIPT_AUTOEXEC | G_SCRIPT_OVERRIDE_PREF);
- bfd->globalf = (bfd->globalf & ~flags_keep) | (G.f & flags_keep);
- }
-
-
- G.f = bfd->globalf;
-
-#ifdef WITH_PYTHON
- /* let python know about new main */
- BPY_context_update(C);
-#endif
-
- /* FIXME: this version patching should really be part of the file-reading code,
- * but we still get too many unrelated data-corruption crashes otherwise... */
- if (G.main->versionfile < 250)
- do_versions_ipos_to_animato(G.main);
-
- G.main->recovered = 0;
-
- /* startup.blend or recovered startup */
- if (bfd->filename[0] == 0) {
- G.main->name[0] = 0;
- }
- else if (recover && G.relbase_valid) {
- /* in case of autosave or quit.blend, use original filename instead
- * use relbase_valid to make sure the file is saved, else we get <memory2> in the filename */
- filepath = bfd->filename;
- G.main->recovered = 1;
-
- /* these are the same at times, should never copy to the same location */
- if (G.main->name != filepath)
- BLI_strncpy(G.main->name, filepath, FILE_MAX);
- }
-
- /* baseflags, groups, make depsgraph, etc */
- /* first handle case if other windows have different scenes visible */
- if (mode == LOAD_UI) {
- wmWindowManager *wm = G.main->wm.first;
-
- if (wm) {
- wmWindow *win;
-
- for (win = wm->windows.first; win; win = win->next) {
- if (win->screen && win->screen->scene) /* zealous check... */
- if (win->screen->scene != curscene)
- BKE_scene_set_background(G.main, win->screen->scene);
- }
- }
- }
- BKE_scene_set_background(G.main, curscene);
-
- if (mode != LOAD_UNDO) {
- RE_FreeAllPersistentData();
- IMB_colormanagement_check_file_config(G.main);
- }
-
- MEM_freeN(bfd);
-
-}
-
-static int handle_subversion_warning(Main *main, ReportList *reports)
-{
- if (main->minversionfile > BLENDER_VERSION ||
- (main->minversionfile == BLENDER_VERSION &&
- main->minsubversionfile > BLENDER_SUBVERSION))
- {
- BKE_reportf(reports, RPT_ERROR, "File written by newer Blender binary (%d.%d), expect loss of data!",
- main->minversionfile, main->minsubversionfile);
- }
-
- return 1;
-}
+/***/
static void keymap_item_free(wmKeyMapItem *kmi)
{
@@ -459,7 +139,11 @@ static void keymap_item_free(wmKeyMapItem *kmi)
MEM_freeN(kmi->ptr);
}
-void BKE_userdef_free(void)
+/**
+ * When loading a new userdef from file,
+ * or when exiting Blender.
+ */
+void BKE_blender_userdef_free(void)
{
wmKeyMap *km;
wmKeyMapItem *kmi;
@@ -509,8 +193,10 @@ void BKE_userdef_free(void)
BLI_freelistN(&U.user_keymaps);
}
-/* handle changes in settings that need recalc */
-void BKE_userdef_state(void)
+/**
+ * Handle changes in settings that need refreshing.
+ */
+void BKE_blender_userdef_refresh(void)
{
/* prevent accidents */
if (U.pixelsize == 0) U.pixelsize = 1;
@@ -520,116 +206,6 @@ void BKE_userdef_state(void)
}
-int BKE_read_file(bContext *C, const char *filepath, ReportList *reports)
-{
- BlendFileData *bfd;
- int retval = BKE_READ_FILE_OK;
-
- if (strstr(filepath, BLENDER_STARTUP_FILE) == NULL) /* don't print user-pref loading */
- printf("read blend: %s\n", filepath);
-
- bfd = BLO_read_from_file(filepath, reports);
- if (bfd) {
- if (bfd->user) retval = BKE_READ_FILE_OK_USERPREFS;
-
- if (0 == handle_subversion_warning(bfd->main, reports)) {
- BKE_main_free(bfd->main);
- MEM_freeN(bfd);
- bfd = NULL;
- retval = BKE_READ_FILE_FAIL;
- }
- else {
- setup_app_data(C, bfd, filepath, reports);
- }
- }
- else
- BKE_reports_prependf(reports, "Loading '%s' failed: ", filepath);
-
- return (bfd ? retval : BKE_READ_FILE_FAIL);
-}
-
-bool BKE_read_file_from_memory(
- bContext *C, const void *filebuf, int filelength,
- ReportList *reports, bool update_defaults)
-{
- BlendFileData *bfd;
-
- bfd = BLO_read_from_memory(filebuf, filelength, reports);
- if (bfd) {
- if (update_defaults)
- BLO_update_defaults_startup_blend(bfd->main);
- setup_app_data(C, bfd, "<memory2>", reports);
- }
- else {
- BKE_reports_prepend(reports, "Loading failed: ");
- }
-
- return (bfd != NULL);
-}
-
-/* memfile is the undo buffer */
-bool BKE_read_file_from_memfile(
- bContext *C, MemFile *memfile,
- ReportList *reports)
-{
- BlendFileData *bfd;
-
- bfd = BLO_read_from_memfile(CTX_data_main(C), G.main->name, memfile, reports);
- if (bfd) {
- /* remove the unused screens and wm */
- while (bfd->main->wm.first)
- BKE_libblock_free_ex(bfd->main, bfd->main->wm.first, true);
- while (bfd->main->screen.first)
- BKE_libblock_free_ex(bfd->main, bfd->main->screen.first, true);
-
- setup_app_data(C, bfd, "<memory1>", reports);
- }
- else {
- BKE_reports_prepend(reports, "Loading failed: ");
- }
-
- return (bfd != NULL);
-}
-
-/* only read the userdef from a .blend */
-int BKE_read_file_userdef(const char *filepath, ReportList *reports)
-{
- BlendFileData *bfd;
- int retval = BKE_READ_FILE_FAIL;
-
- bfd = BLO_read_from_file(filepath, reports);
- if (bfd) {
- if (bfd->user) {
- retval = BKE_READ_FILE_OK_USERPREFS;
-
- /* only here free userdef themes... */
- BKE_userdef_free();
-
- U = *bfd->user;
- MEM_freeN(bfd->user);
- }
- BKE_main_free(bfd->main);
- MEM_freeN(bfd);
- }
-
- return retval;
-}
-
-/* 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;
@@ -640,7 +216,7 @@ void BKE_blender_callback_test_break_set(void (*func)(void))
}
-int blender_test_break(void)
+int BKE_blender_test_break(void)
{
if (!G.background) {
if (blender_test_break_cb)
@@ -650,514 +226,3 @@ int blender_test_break(void)
return (G.is_break == true);
}
-
-/* -------------------------------------------------------------------- */
-
-/** \name 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_undo_write(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_memfile_free(&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_memfile_merge(&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, BKE_tempdir_session(), 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_memfile_merge(&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_undo_reset(void)
-{
- UndoElem *uel;
-
- uel = undobase.first;
- while (uel) {
- BLO_memfile_free(&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 */
-bool BKE_undo_is_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, bool *r_active)
-{
- UndoElem *uel = BLI_findlink(&undobase, nr);
-
- if (r_active) *r_active = false;
-
- if (uel) {
- if (r_active && (uel == curundo)) {
- *r_active = true;
- }
- return uel->name;
- }
- return NULL;
-}
-
-/**
- * Saves .blend using undo buffer.
- *
- * \return success.
- */
-bool BKE_undo_save_file(const char *filename)
-{
- UndoElem *uel;
- MemFileChunk *chunk;
- int file, oflags;
-
- if ((U.uiflag & USER_GLOBALUNDO) == 0) {
- return false;
- }
-
- uel = curundo;
- if (uel == NULL) {
- fprintf(stderr, "No undo buffer to save recovery file\n");
- return false;
- }
-
- /* note: This is currently used for autosave and 'quit.blend', where _not_ following symlinks is OK,
- * however if this is ever executed explicitly by the user, we may want to allow writing to symlinks.
- */
-
- oflags = O_BINARY | O_WRONLY | O_CREAT | O_TRUNC;
-#ifdef O_NOFOLLOW
- /* use O_NOFOLLOW to avoid writing to a symlink - use 'O_EXCL' (CVE-2008-1103) */
- oflags |= O_NOFOLLOW;
-#else
- /* TODO(sergey): How to deal with symlinks on windows? */
-# ifndef _MSC_VER
-# warning "Symbolic links will be followed on undo save, possibly causing CVE-2008-1103"
-# endif
-#endif
- file = BLI_open(filename, oflags, 0666);
-
- if (file == -1) {
- fprintf(stderr, "Unable to save '%s': %s\n",
- filename, errno ? strerror(errno) : "Unknown error opening file");
- return false;
- }
-
- 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 false;
- }
- return true;
-}
-
-/* sets curscene */
-Main *BKE_undo_get_main(Scene **r_scene)
-{
- Main *mainp = NULL;
- BlendFileData *bfd = BLO_read_from_memfile(G.main, G.main->name, &curundo->memfile, NULL);
-
- if (bfd) {
- mainp = bfd->main;
- if (r_scene) {
- *r_scene = bfd->curscene;
- }
-
- MEM_freeN(bfd);
- }
-
- return mainp;
-}
-
-/** \} */
-
-
-/* -------------------------------------------------------------------- */
-
-/** \name Partial `.blend` file save.
- * \{ */
-
-void BKE_blendfile_write_partial_begin(Main *bmain_src)
-{
- BKE_main_id_tag_all(bmain_src, LIB_TAG_NEED_EXPAND | LIB_TAG_DOIT, false);
-}
-
-void BKE_blendfile_write_partial_tag_ID(ID *id, bool set)
-{
- if (set) {
- id->tag |= LIB_TAG_NEED_EXPAND | LIB_TAG_DOIT;
- }
- else {
- id->tag &= ~(LIB_TAG_NEED_EXPAND | LIB_TAG_DOIT);
- }
-}
-
-static void blendfile_write_partial_cb(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->tag & LIB_TAG_DOIT) == 0)
- id->tag |= LIB_TAG_NEED_EXPAND | LIB_TAG_DOIT;
- }
-}
-
-/**
- * \return Success.
- */
-bool BKE_blendfile_write_partial(
- Main *bmain_src, const char *filepath, const int write_flags, ReportList *reports)
-{
- Main *bmain_dst = MEM_callocN(sizeof(Main), "copybuffer");
- ListBase *lbarray_dst[MAX_LIBARRAY], *lbarray_src[MAX_LIBARRAY];
- int a, retval;
-
- void *path_list_backup = NULL;
- const int path_list_flag = (BKE_BPATH_TRAVERSE_SKIP_LIBRARY | BKE_BPATH_TRAVERSE_SKIP_MULTIFILE);
-
- if (write_flags & G_FILE_RELATIVE_REMAP) {
- path_list_backup = BKE_bpath_list_backup(bmain_src, path_list_flag);
- }
-
- BLO_main_expander(blendfile_write_partial_cb);
- BLO_expand_main(NULL, bmain_src);
-
- /* move over all tagged blocks */
- set_listbasepointers(bmain_src, lbarray_src);
- a = set_listbasepointers(bmain_dst, lbarray_dst);
- while (a--) {
- ID *id, *nextid;
- ListBase *lb_dst = lbarray_dst[a], *lb_src = lbarray_src[a];
-
- for (id = lb_src->first; id; id = nextid) {
- nextid = id->next;
- if (id->tag & LIB_TAG_DOIT) {
- BLI_remlink(lb_src, id);
- BLI_addtail(lb_dst, id);
- }
- }
- }
-
-
- /* save the buffer */
- retval = BLO_write_file(bmain_dst, filepath, write_flags, reports, NULL);
-
- /* move back the main, now sorted again */
- set_listbasepointers(bmain_src, lbarray_dst);
- a = set_listbasepointers(bmain_dst, lbarray_src);
- while (a--) {
- ID *id;
- ListBase *lb_dst = lbarray_dst[a], *lb_src = lbarray_src[a];
-
- while ((id = BLI_pophead(lb_src))) {
- BLI_addtail(lb_dst, id);
- id_sort_by_name(lb_dst, id);
- }
- }
-
- MEM_freeN(bmain_dst);
-
- if (path_list_backup) {
- BKE_bpath_list_restore(bmain_src, path_list_flag, path_list_backup);
- BKE_bpath_list_free(path_list_backup);
- }
-
- return retval;
-}
-
-void BKE_blendfile_write_partial_end(Main *bmain_src)
-{
- BKE_main_id_tag_all(bmain_src, LIB_TAG_NEED_EXPAND | LIB_TAG_DOIT, false);
-}
-
-/** \} */
-
-
-/* -------------------------------------------------------------------- */
-
-/** \name Copy/Paste `.blend`, partial saves.
- * \{ */
-
-void BKE_copybuffer_begin(Main *bmain_src)
-{
- BKE_blendfile_write_partial_begin(bmain_src);
-}
-
-void BKE_copybuffer_tag_ID(ID *id)
-{
- BKE_blendfile_write_partial_tag_ID(id, true);
-}
-
-/**
- * \return Success.
- */
-bool BKE_copybuffer_save(Main *bmain_src, const char *filename, ReportList *reports)
-{
- const int write_flags = G_FILE_RELATIVE_REMAP;
-
- bool retval = BKE_blendfile_write_partial(bmain_src, filename, write_flags, reports);
-
- BKE_blendfile_write_partial_end(bmain_src);
-
- return retval;
-}
-
-/**
- * \return Success.
- */
-bool BKE_copybuffer_paste(bContext *C, const char *libname, const short flag, ReportList *reports)
-{
- Main *bmain = CTX_data_main(C);
- Scene *scene = CTX_data_scene(C);
- View3D *v3d = CTX_wm_view3d(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 false;
- }
-
- 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 BKE_main_id_flag_all(bmain, LIB_TAG_PRE_EXISTING, false) is called after! */
- BKE_main_id_tag_all(bmain, LIB_TAG_PRE_EXISTING, true);
-
- /* here appending/linking starts */
- mainl = BLO_library_link_begin(bmain, &bh, libname);
-
- BLO_library_link_copypaste(mainl, bh);
-
- BLO_library_link_end(mainl, &bh, flag, scene, v3d);
-
- /* mark all library linked objects to be updated */
- BKE_main_lib_objects_recalc_all(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, false);
-
- /* important we unset, otherwise these object wont
- * link into other scenes from this blend file */
- BKE_main_id_tag_all(bmain, LIB_TAG_PRE_EXISTING, false);
-
- /* recreate dependency graph to include new objects */
- DAG_relations_tag_update(bmain);
-
- BLO_blendhandle_close(bh);
- /* remove library... */
-
- return true;
-}
-
-/** \} */