editor_file_system.cpp source code [Godot/editor/editor_file_system.cpp]

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2	/ editor_file_system.cpp /
3	/************************************************************************/
4	/ This file is part of: /
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8	/ Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). /
9	/ Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. /
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30
31	#include "editor_file_system.h"
32
33	#include "core/config/project_settings.h"
34	#include "core/extension/gdextension_manager.h"
35	#include "core/io/file_access.h"
36	#include "core/io/resource_importer.h"
37	#include "core/io/resource_loader.h"
38	#include "core/io/resource_saver.h"
39	#include "core/object/worker_thread_pool.h"
40	#include "core/os/os.h"
41	#include "core/variant/variant_parser.h"
42	#include "editor/editor_help.h"
43	#include "editor/editor_node.h"
44	#include "editor/editor_paths.h"
45	#include "editor/editor_resource_preview.h"
46	#include "editor/editor_settings.h"
47
48	EditorFileSystem EditorFileSystem::singleton = nullptr*;
49	//the name is the version, to keep compatibility with different versions of Godot
50	#define CACHE_FILE_NAME "filesystem_cache8"
51
52	void EditorFileSystemDirectory::sort_files() {
53	files.sort_custom<FileInfoSort>();
54	}
55
56	int EditorFileSystemDirectory::find_file_index(const String &p_file) const {
57	for (int i = `0`; i < files.size(); i++) {
58	if (files [i]->file == p_file) {
59	return i;
60	}
61	}
62	return -`1`;
63	}
64
65	int EditorFileSystemDirectory::find_dir_index(const String &p_dir) const {
66	for (int i = `0`; i < subdirs.size(); i++) {
67	if (subdirs [i]->name == p_dir) {
68	return i;
69	}
70	}
71
72	return -`1`;
73	}
74
75	void EditorFileSystemDirectory::force_update() {
76	// We set modified_time to 0 to force `EditorFileSystem::_scan_fs_changes` to search changes in the directory
77	modified_time = `0`;
78	}
79
80	int EditorFileSystemDirectory::get_subdir_count() const {
81	return subdirs.size();
82	}
83
84	EditorFileSystemDirectory EditorFileSystemDirectory::get_subdir(int* p_idx) {
85	ERR_FAIL_INDEX_V(p_idx, subdirs.size(), nullptr);
86	return subdirs [p_idx];
87	}
88
89	int EditorFileSystemDirectory::get_file_count() const {
90	return files.size();
91	}
92
93	String EditorFileSystemDirectory::get_file(int p_idx) const {
94	ERR_FAIL_INDEX_V(p_idx, files.size(), "");
95
96	return files [p_idx]->file;
97	}
98
99	String EditorFileSystemDirectory::get_path() const {
100	String p;
101	const EditorFileSystemDirectory d = this*;
102	while (d->parent) {
103	p = d->name.path_join(p);
104	d = d->parent;
105	}
106
107	return "res://" + p;
108	}
109
110	String EditorFileSystemDirectory::get_file_path(int p_idx) const {
111	String file = get_file(p_idx);
112	const EditorFileSystemDirectory d = this*;
113	while (d->parent) {
114	file = d->name.path_join(file);
115	d = d->parent;
116	}
117
118	return "res://" + file;
119	}
120
121	Vector<String> EditorFileSystemDirectory::get_file_deps(int p_idx) const {
122	ERR_FAIL_INDEX_V(p_idx, files.size(), Vector<String>());
123	Vector<String> deps;
124
125	for (int i = `0`; i < files [p_idx]->deps.size(); i++) {
126	String dep = files [p_idx]->deps [i];
127	int sep_idx = dep.find("::"); //may contain type information, unwanted
128	if (sep_idx != -`1`) {
129	dep = dep.substr(`0`, sep_idx);
130	}
131	ResourceUID::ID uid = ResourceUID::get_singleton()->text_to_id(dep);
132	if (uid != ResourceUID::INVALID_ID) {
133	//return proper dependency resource from uid
134	if (ResourceUID::get_singleton()->has_id(uid)) {
135	dep = ResourceUID::get_singleton()->get_id_path(uid);
136	} else {
137	continue;
138	}
139	}
140	deps.push_back(dep);
141	}
142	return deps;
143	}
144
145	bool EditorFileSystemDirectory::get_file_import_is_valid(int p_idx) const {
146	ERR_FAIL_INDEX_V(p_idx, files.size(), false);
147	return files [p_idx]->import_valid;
148	}
149
150	uint64_t EditorFileSystemDirectory::get_file_modified_time(int p_idx) const {
151	ERR_FAIL_INDEX_V(p_idx, files.size(), `0`);
152	return files [p_idx]->modified_time;
153	}
154
155	String EditorFileSystemDirectory::get_file_script_class_name(int p_idx) const {
156	return files [p_idx]->script_class_name;
157	}
158
159	String EditorFileSystemDirectory::get_file_script_class_extends(int p_idx) const {
160	return files [p_idx]->script_class_extends;
161	}
162
163	String EditorFileSystemDirectory::get_file_script_class_icon_path(int p_idx) const {
164	return files [p_idx]->script_class_icon_path;
165	}
166
167	StringName EditorFileSystemDirectory::get_file_type(int p_idx) const {
168	ERR_FAIL_INDEX_V(p_idx, files.size(), "");
169	return files [p_idx]->type;
170	}
171
172	StringName EditorFileSystemDirectory::get_file_resource_script_class(int p_idx) const {
173	ERR_FAIL_INDEX_V(p_idx, files.size(), "");
174	return files [p_idx]->resource_script_class;
175	}
176
177	String EditorFileSystemDirectory::get_name() {
178	return name;
179	}
180
181	EditorFileSystemDirectory *EditorFileSystemDirectory::get_parent() {
182	return parent;
183	}
184
185	void EditorFileSystemDirectory::_bind_methods() {
186	ClassDB::bind_method(D_METHOD("get_subdir_count"), &EditorFileSystemDirectory::get_subdir_count);
187	ClassDB::bind_method(D_METHOD("get_subdir", "idx"), &EditorFileSystemDirectory::get_subdir);
188	ClassDB::bind_method(D_METHOD("get_file_count"), &EditorFileSystemDirectory::get_file_count);
189	ClassDB::bind_method(D_METHOD("get_file", "idx"), &EditorFileSystemDirectory::get_file);
190	ClassDB::bind_method(D_METHOD("get_file_path", "idx"), &EditorFileSystemDirectory::get_file_path);
191	ClassDB::bind_method(D_METHOD("get_file_type", "idx"), &EditorFileSystemDirectory::get_file_type);
192	ClassDB::bind_method(D_METHOD("get_file_script_class_name", "idx"), &EditorFileSystemDirectory::get_file_script_class_name);
193	ClassDB::bind_method(D_METHOD("get_file_script_class_extends", "idx"), &EditorFileSystemDirectory::get_file_script_class_extends);
194	ClassDB::bind_method(D_METHOD("get_file_import_is_valid", "idx"), &EditorFileSystemDirectory::get_file_import_is_valid);
195	ClassDB::bind_method(D_METHOD("get_name"), &EditorFileSystemDirectory::get_name);
196	ClassDB::bind_method(D_METHOD("get_path"), &EditorFileSystemDirectory::get_path);
197	ClassDB::bind_method(D_METHOD("get_parent"), &EditorFileSystemDirectory::get_parent);
198	ClassDB::bind_method(D_METHOD("find_file_index", "name"), &EditorFileSystemDirectory::find_file_index);
199	ClassDB::bind_method(D_METHOD("find_dir_index", "name"), &EditorFileSystemDirectory::find_dir_index);
200	}
201
202	EditorFileSystemDirectory::EditorFileSystemDirectory() {
203	modified_time = `0`;
204	parent = nullptr;
205	}
206
207	EditorFileSystemDirectory::~EditorFileSystemDirectory() {
208	for (int i = `0`; i < files.size(); i++) {
209	memdelete(files [i]);
210	}
211
212	for (int i = `0`; i < subdirs.size(); i++) {
213	memdelete(subdirs [i]);
214	}
215	}
216
217	void EditorFileSystem::_scan_filesystem() {
218	ERR_FAIL_COND(!scanning \|\| new_filesystem);
219
220	//read .fscache
221	String cpath;
222
223	sources_changed.clear();
224	file_cache.clear();
225
226	String project = ProjectSettings::get_singleton()->get_resource_path();
227
228	String fscache = EditorPaths::get_singleton()->get_project_settings_dir().path_join(CACHE_FILE_NAME);
229	{
230	Ref<FileAccess> f = FileAccess::open(fscache, FileAccess::READ);
231
232	bool first = true;
233	if (f.is_valid()) {
234	//read the disk cache
235	while (!f ->eof_reached()) {
236	String l = f ->get_line().strip_edges();
237	if (first) {
238	if (first_scan) {
239	// only use this on first scan, afterwards it gets ignored
240	// this is so on first reimport we synchronize versions, then
241	// we don't care until editor restart. This is for usability mainly so
242	// your workflow is not killed after changing a setting by forceful reimporting
243	// everything there is.
244	filesystem_settings_version_for_import = l.strip_edges();
245	if (filesystem_settings_version_for_import != ResourceFormatImporter::get_singleton()->get_import_settings_hash()) {
246	revalidate_import_files = true;
247	}
248	}
249	first = false;
250	continue;
251	}
252	if (l.is_empty()) {
253	continue;
254	}
255
256	if (l.begins_with("::")) {
257	Vector<String> split = l.split("::");
258	ERR_CONTINUE(split.size() != `3`);
259	String name = split [`1`];
260
261	cpath = name;
262
263	} else {
264	Vector<String> split = l.split("::");
265	ERR_CONTINUE(split.size() < `9`);
266	String name = split [`0`];
267	String file;
268
269	file = name;
270	name = cpath.path_join(name);
271
272	FileCache fc;
273	fc.type = split [`1`];
274	if (fc.type.find("/") != -`1`) {
275	fc.type = fc.type.get_slice("/", `0`);
276	fc.resource_script_class = fc.type.get_slice("/", `1`);
277	}
278	fc.uid = split [`2`].to_int();
279	fc.modification_time = split [`3`].to_int();
280	fc.import_modification_time = split [`4`].to_int();
281	fc.import_valid = split [`5`].to_int() != `0`;
282	fc.import_group_file = split [`6`].strip_edges();
283	fc.script_class_name = split [`7`].get_slice("<>", `0`);
284	fc.script_class_extends = split [`7`].get_slice("<>", `1`);
285	fc.script_class_icon_path = split [`7`].get_slice("<>", `2`);
286
287	String deps = split [`8`].strip_edges();
288	if (deps.length()) {
289	Vector<String> dp = deps.split("<>");
290	for (int i = `0`; i < dp.size(); i++) {
291	String path = dp [i];
292	fc.deps.push_back(path);
293	}
294	}
295
296	file_cache [name] = fc;
297	}
298	}
299	}
300	}
301
302	String update_cache = EditorPaths::get_singleton()->get_project_settings_dir().path_join("filesystem_update4");
303
304	if (FileAccess::exists(update_cache)) {
305	{
306	Ref<FileAccess> f2 = FileAccess::open(update_cache, FileAccess::READ);
307	String l = f2 ->get_line().strip_edges();
308	while (!l.is_empty()) {
309	file_cache.erase(l); //erase cache for this, so it gets updated
310	l = f2 ->get_line().strip_edges();
311	}
312	}
313
314	Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
315	d ->remove(update_cache); //bye bye update cache
316	}
317
318	EditorProgressBG scan_progress("efs", "ScanFS", `1000`);
319
320	ScanProgress sp;
321	sp.low = `0`;
322	sp.hi = `1`;
323	sp.progress = &scan_progress;
324
325	new_filesystem = memnew(EditorFileSystemDirectory);
326	new_filesystem->parent = nullptr;
327
328	Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
329	d ->change_dir("res://");
330	_scan_new_dir(new_filesystem, d, sp);
331
332	file_cache.clear(); //clear caches, no longer needed
333
334	if (!first_scan) {
335	//on the first scan this is done from the main thread after re-importing
336	_save_filesystem_cache();
337	}
338
339	scanning = false;
340	}
341
342	void EditorFileSystem::_save_filesystem_cache() {
343	group_file_cache.clear();
344
345	String fscache = EditorPaths::get_singleton()->get_project_settings_dir().path_join(CACHE_FILE_NAME);
346
347	Ref<FileAccess> f = FileAccess::open(fscache, FileAccess::WRITE);
348	ERR_FAIL_COND_MSG(f.is_null(), "Cannot create file '" + fscache + "'. Check user write permissions.");
349
350	f ->store_line(filesystem_settings_version_for_import);
351	_save_filesystem_cache(filesystem, f);
352	}
353
354	void EditorFileSystem::_thread_func(void *_userdata) {
355	EditorFileSystem sd = (EditorFileSystem )_userdata;
356	sd->_scan_filesystem();
357	}
358
359	bool EditorFileSystem::_test_for_reimport(const String &p_path, bool p_only_imported_files) {
360	if (!reimport_on_missing_imported_files && p_only_imported_files) {
361	return false;
362	}
363
364	if (!FileAccess::exists(p_path + ".import")) {
365	return true;
366	}
367
368	if (!ResourceFormatImporter::get_singleton()->are_import_settings_valid(p_path)) {
369	//reimport settings are not valid, reimport
370	return true;
371	}
372
373	Error err;
374	Ref<FileAccess> f = FileAccess::open(p_path + ".import", FileAccess::READ, &err);
375
376	if (f.is_null()) { //no import file, do reimport
377	return true;
378	}
379
380	VariantParser::StreamFile stream;
381	stream.f = f;
382
383	String assign;
384	Variant value;
385	VariantParser::Tag next_tag;
386
387	int lines = `0`;
388	String error_text;
389
390	List<String> to_check;
391
392	String importer_name;
393	String source_file = "";
394	String source_md5 = "";
395	Vector<String> dest_files;
396	String dest_md5 = "";
397	int version = `0`;
398	bool found_uid = false;
399
400	while (true) {
401	assign = Variant ();
402	next_tag.fields.clear();
403	next_tag.name = String ();
404
405	err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, nullptr, true);
406	if (err == ERR_FILE_EOF) {
407	break;
408	} else if (err != OK) {
409	ERR_PRINT("ResourceFormatImporter::load - '" + p_path + ".import:" + itos(lines) + "' error '" + error_text + "'.");
410	return false; //parse error, try reimport manually (Avoid reimport loop on broken file)
411	}
412
413	if (!assign.is_empty()) {
414	if (assign.begins_with("path")) {
415	to_check.push_back(value);
416	} else if (assign == "files") {
417	Array fa = value;
418	for (int i = `0`; i < fa.size(); i++) {
419	to_check.push_back(fa [i]);
420	}
421	} else if (assign == "importer_version") {
422	version = value;
423	} else if (assign == "importer") {
424	importer_name = value;
425	} else if (assign == "uid") {
426	found_uid = true;
427	} else if (!p_only_imported_files) {
428	if (assign == "source_file") {
429	source_file = value;
430	} else if (assign == "dest_files") {
431	dest_files = value;
432	}
433	}
434
435	} else if (next_tag.name != "remap" && next_tag.name != "deps") {
436	break;
437	}
438	}
439
440	if (importer_name == "keep") {
441	return false; //keep mode, do not reimport
442	}
443
444	if (!found_uid) {
445	return true; //UID not found, old format, reimport.
446	}
447
448	Ref<ResourceImporter> importer = ResourceFormatImporter::get_singleton()->get_importer_by_name(importer_name);
449
450	if (importer.is_null()) {
451	return true; // the importer has possibly changed, try to reimport.
452	}
453
454	if (importer ->get_format_version() > version) {
455	return true; // version changed, reimport
456	}
457
458	// Read the md5's from a separate file (so the import parameters aren't dependent on the file version
459	String base_path = ResourceFormatImporter::get_singleton()->get_import_base_path(p_path);
460	Ref<FileAccess> md5s = FileAccess::open(base_path + ".md5", FileAccess::READ, &err);
461	if (md5s.is_null()) { // No md5's stored for this resource
462	return true;
463	}
464
465	VariantParser::StreamFile md5_stream;
466	md5_stream.f = md5s;
467
468	while (true) {
469	assign = Variant ();
470	next_tag.fields.clear();
471	next_tag.name = String ();
472
473	err = VariantParser::parse_tag_assign_eof(&md5_stream, lines, error_text, next_tag, assign, value, nullptr, true);
474
475	if (err == ERR_FILE_EOF) {
476	break;
477	} else if (err != OK) {
478	ERR_PRINT("ResourceFormatImporter::load - '" + p_path + ".import.md5:" + itos(lines) + "' error '" + error_text + "'.");
479	return false; // parse error
480	}
481	if (!assign.is_empty()) {
482	if (!p_only_imported_files) {
483	if (assign == "source_md5") {
484	source_md5 = value;
485	} else if (assign == "dest_md5") {
486	dest_md5 = value;
487	}
488	}
489	}
490	}
491
492	//imported files are gone, reimport
493	for (const String &E : to_check) {
494	if (!FileAccess::exists(E)) {
495	return true;
496	}
497	}
498
499	//check source md5 matching
500	if (!p_only_imported_files) {
501	if (!source_file.is_empty() && source_file != p_path) {
502	return true; //file was moved, reimport
503	}
504
505	if (source_md5.is_empty()) {
506	return true; //lacks md5, so just reimport
507	}
508
509	String md5 = FileAccess::get_md5(p_path);
510	if (md5 != source_md5) {
511	return true;
512	}
513
514	if (dest_files.size() && !dest_md5.is_empty()) {
515	md5 = FileAccess::get_multiple_md5(dest_files);
516	if (md5 != dest_md5) {
517	return true;
518	}
519	}
520	}
521
522	return false; //nothing changed
523	}
524
525	bool EditorFileSystem::_scan_import_support(Vector<String> reimports) {
526	if (import_support_queries.size() == `0`) {
527	return false;
528	}
529	HashMap<String, int> import_support_test;
530	Vector<bool> import_support_tested;
531	import_support_tested.resize(import_support_queries.size());
532	for (int i = `0`; i < import_support_queries.size(); i++) {
533	import_support_tested.write [i] = false;
534	if (import_support_queries [i]->is_active()) {
535	Vector<String> extensions = import_support_queries [i]->get_file_extensions();
536	for (int j = `0`; j < extensions.size(); j++) {
537	import_support_test.insert(extensions [j], i);
538	}
539	}
540	}
541
542	if (import_support_test.size() == `0`) {
543	return false; //well nothing to do
544	}
545
546	for (int i = `0`; i < reimports.size(); i++) {
547	HashMap<String, int>::Iterator E = import_support_test.find(reimports [i].get_extension().to_lower());
548	if (E) {
549	import_support_tested.write [E ->value] = true;
550	}
551	}
552
553	for (int i = `0`; i < import_support_tested.size(); i++) {
554	if (import_support_tested [i]) {
555	if (import_support_queries.write [i]->query()) {
556	return true;
557	}
558	}
559	}
560
561	return false;
562	}
563
564	bool EditorFileSystem::_update_scan_actions() {
565	sources_changed.clear();
566
567	bool fs_changed = false;
568
569	Vector<String> reimports;
570	Vector<String> reloads;
571
572	for (const ItemAction &ia : scan_actions) {
573	switch (ia.action) {
574	case ItemAction::ACTION_NONE: {
575	} break;
576	case ItemAction::ACTION_DIR_ADD: {
577	int idx = `0`;
578	for (int i = `0`; i < ia.dir->subdirs.size(); i++) {
579	if (ia.new_dir->name.naturalnocasecmp_to(ia.dir->subdirs [i]->name) < `0`) {
580	break;
581	}
582	idx++;
583	}
584	if (idx == ia.dir->subdirs.size()) {
585	ia.dir->subdirs.push_back(ia.new_dir);
586	} else {
587	ia.dir->subdirs.insert(idx, ia.new_dir);
588	}
589
590	fs_changed = true;
591	} break;
592	case ItemAction::ACTION_DIR_REMOVE: {
593	ERR_CONTINUE(!ia.dir->parent);
594	ia.dir->parent->subdirs.erase(ia.dir);
595	memdelete(ia.dir);
596	fs_changed = true;
597	} break;
598	case ItemAction::ACTION_FILE_ADD: {
599	int idx = `0`;
600	for (int i = `0`; i < ia.dir->files.size(); i++) {
601	if (ia.new_file->file.naturalnocasecmp_to(ia.dir->files [i]->file) < `0`) {
602	break;
603	}
604	idx++;
605	}
606	if (idx == ia.dir->files.size()) {
607	ia.dir->files.push_back(ia.new_file);
608	} else {
609	ia.dir->files.insert(idx, ia.new_file);
610	}
611
612	fs_changed = true;
613
614	if (ClassDB::is_parent_class(ia.new_file->type, SNAME("Script"))) {
615	_queue_update_script_class(ia.dir->get_file_path(idx));
616	}
617
618	} break;
619	case ItemAction::ACTION_FILE_REMOVE: {
620	int idx = ia.dir->find_file_index(ia.file);
621	ERR_CONTINUE(idx == -`1`);
622
623	if (ClassDB::is_parent_class(ia.dir->files [idx]->type, SNAME("Script"))) {
624	_queue_update_script_class(ia.dir->get_file_path(idx));
625	}
626
627	_delete_internal_files(ia.dir->files [idx]->file);
628	memdelete(ia.dir->files [idx]);
629	ia.dir->files.remove_at(idx);
630
631	fs_changed = true;
632
633	} break;
634	case ItemAction::ACTION_FILE_TEST_REIMPORT: {
635	int idx = ia.dir->find_file_index(ia.file);
636	ERR_CONTINUE(idx == -`1`);
637	String full_path = ia.dir->get_file_path(idx);
638	if (_test_for_reimport(full_path, false)) {
639	//must reimport
640	reimports.push_back(full_path);
641	Vector<String> dependencies = _get_dependencies(full_path);
642	for (const String &dependency_path : dependencies) {
643	if (import_extensions.has(dependency_path.get_extension())) {
644	reimports.push_back(dependency_path);
645	}
646	}
647	} else {
648	//must not reimport, all was good
649	//update modified times, to avoid reimport
650	ia.dir->files [idx]->modified_time = FileAccess::get_modified_time(full_path);
651	ia.dir->files [idx]->import_modified_time = FileAccess::get_modified_time(full_path + ".import");
652	}
653
654	fs_changed = true;
655	} break;
656	case ItemAction::ACTION_FILE_RELOAD: {
657	int idx = ia.dir->find_file_index(ia.file);
658	ERR_CONTINUE(idx == -`1`);
659	String full_path = ia.dir->get_file_path(idx);
660
661	if (ClassDB::is_parent_class(ia.dir->files [idx]->type, SNAME("Script"))) {
662	_queue_update_script_class(full_path);
663	}
664
665	reloads.push_back(full_path);
666
667	} break;
668	}
669	}
670
671	if (_scan_extensions()) {
672	//needs editor restart
673	//extensions also may provide filetypes to be imported, so they must run before importing
674	if (EditorNode::immediate_confirmation_dialog(TTR("Some extensions need the editor to restart to take effect."), first_scan ? TTR("Restart") : TTR("Save & Restart"), TTR("Continue"))) {
675	if (!first_scan) {
676	EditorNode::get_singleton()->save_all_scenes();
677	}
678	EditorNode::get_singleton()->restart_editor();
679	//do not import
680	return true;
681	}
682	}
683
684	if (reimports.size()) {
685	if (_scan_import_support(reimports)) {
686	return true;
687	}
688
689	reimport_files(reimports);
690	} else {
691	//reimport files will update the uid cache file so if nothing was reimported, update it manually
692	ResourceUID::get_singleton()->update_cache();
693	}
694
695	if (first_scan) {
696	//only on first scan this is valid and updated, then settings changed.
697	revalidate_import_files = false;
698	filesystem_settings_version_for_import = ResourceFormatImporter::get_singleton()->get_import_settings_hash();
699	_save_filesystem_cache();
700	}
701
702	if (reloads.size()) {
703	emit_signal(SNAME("resources_reload"), reloads);
704	}
705	scan_actions.clear();
706
707	return fs_changed;
708	}
709
710	void EditorFileSystem::scan() {
711	if (false /&& bool(Globals::get_singleton()->get("debug/disable_scan"))/) {
712	return;
713	}
714
715	if (scanning \|\| scanning_changes \|\| thread.is_started()) {
716	return;
717	}
718
719	_update_extensions();
720
721	if (!use_threads) {
722	scanning = true;
723	scan_total = `0`;
724	_scan_filesystem();
725	if (filesystem) {
726	memdelete(filesystem);
727	}
728	//file_type_cache.clear();
729	filesystem = new_filesystem;
730	new_filesystem = nullptr;
731	_update_scan_actions();
732	scanning = false;
733	_update_pending_script_classes();
734	emit_signal(SNAME("filesystem_changed"));
735	emit_signal(SNAME("sources_changed"), sources_changed.size() > `0`);
736	first_scan = false;
737	} else {
738	ERR_FAIL_COND(thread.is_started());
739	set_process(true);
740	Thread::Settings s;
741	scanning = true;
742	scan_total = `0`;
743	s.priority = Thread::PRIORITY_LOW;
744	thread.start(_thread_func, this, s);
745	//tree->hide();
746	//progress->show();
747	}
748	}
749
750	void EditorFileSystem::ScanProgress::update(int p_current, int p_total) const {
751	float ratio = low + ((hi - low) / p_total) * p_current;
752	progress->step(ratio * `1000`);
753	EditorFileSystem::singleton->scan_total = ratio;
754	}
755
756	EditorFileSystem::ScanProgress EditorFileSystem::ScanProgress::get_sub(int p_current, int p_total) const {
757	ScanProgress sp = *this;
758	float slice = (sp.hi - sp.low) / p_total;
759	sp.low += slice * p_current;
760	sp.hi = slice;
761	return sp;
762	}
763
764	void EditorFileSystem::_scan_new_dir(EditorFileSystemDirectory p_dir, Ref<DirAccess> &da, const* ScanProgress &p_progress) {
765	List<String> dirs;
766	List<String> files;
767
768	String cd = da ->get_current_dir();
769
770	p_dir->modified_time = FileAccess::get_modified_time(cd);
771
772	da ->list_dir_begin();
773	while (true) {
774	String f = da ->get_next();
775	if (f.is_empty()) {
776	break;
777	}
778
779	if (da ->current_is_hidden()) {
780	continue;
781	}
782
783	if (da ->current_is_dir()) {
784	if (f.begins_with(".")) { // Ignore special and . / ..
785	continue;
786	}
787
788	if (_should_skip_directory(cd.path_join(f))) {
789	continue;
790	}
791
792	dirs.push_back(f);
793
794	} else {
795	files.push_back(f);
796	}
797	}
798
799	da ->list_dir_end();
800
801	dirs.sort_custom<NaturalNoCaseComparator>();
802	files.sort_custom<NaturalNoCaseComparator>();
803
804	int total = dirs.size() + files.size();
805	int idx = `0`;
806
807	for (List<String>::Element *E = dirs.front(); E; E = E->next(), idx++) {
808	if (da ->change_dir(E->get()) == OK) {
809	String d = da ->get_current_dir();
810
811	if (d == cd \|\| !d.begins_with(cd)) {
812	da ->change_dir(cd); //avoid recursion
813	} else {
814	EditorFileSystemDirectory *efd = memnew(EditorFileSystemDirectory);
815
816	efd->parent = p_dir;
817	efd->name = E->get();
818
819	_scan_new_dir(efd, da, p_progress.get_sub(idx, total));
820
821	int idx2 = `0`;
822	for (int i = `0`; i < p_dir->subdirs.size(); i++) {
823	if (efd->name.naturalnocasecmp_to(p_dir->subdirs [i]->name) < `0`) {
824	break;
825	}
826	idx2++;
827	}
828	if (idx2 == p_dir->subdirs.size()) {
829	p_dir->subdirs.push_back(efd);
830	} else {
831	p_dir->subdirs.insert(idx2, efd);
832	}
833
834	da ->change_dir("..");
835	}
836	} else {
837	ERR_PRINT("Cannot go into subdir '" + E->get() + "'.");
838	}
839
840	p_progress.update(idx, total);
841	}
842
843	for (List<String>::Element *E = files.front(); E; E = E->next(), idx++) {
844	String ext = E->get().get_extension().to_lower();
845	if (!valid_extensions.has(ext)) {
846	continue; //invalid
847	}
848
849	EditorFileSystemDirectory::FileInfo *fi = memnew(EditorFileSystemDirectory::FileInfo);
850	fi->file = E->get();
851
852	String path = cd.path_join(fi->file);
853
854	FileCache *fc = file_cache.getptr(path);
855	uint64_t mt = FileAccess::get_modified_time(path);
856
857	if (import_extensions.has(ext)) {
858	//is imported
859	uint64_t import_mt = `0`;
860	if (FileAccess::exists(path + ".import")) {
861	import_mt = FileAccess::get_modified_time(path + ".import");
862	}
863
864	if (fc && fc->modification_time == mt && fc->import_modification_time == import_mt && !_test_for_reimport(path, true)) {
865	fi->type = fc->type;
866	fi->resource_script_class = fc->resource_script_class;
867	fi->uid = fc->uid;
868	fi->deps = fc->deps;
869	fi->modified_time = fc->modification_time;
870	fi->import_modified_time = fc->import_modification_time;
871
872	fi->import_valid = fc->import_valid;
873	fi->script_class_name = fc->script_class_name;
874	fi->import_group_file = fc->import_group_file;
875	fi->script_class_extends = fc->script_class_extends;
876	fi->script_class_icon_path = fc->script_class_icon_path;
877
878	if (revalidate_import_files && !ResourceFormatImporter::get_singleton()->are_import_settings_valid(path)) {
879	ItemAction ia;
880	ia.action = ItemAction::ACTION_FILE_TEST_REIMPORT;
881	ia.dir = p_dir;
882	ia.file = E->get();
883	scan_actions.push_back(ia);
884	}
885
886	if (fc->type.is_empty()) {
887	fi->type = ResourceLoader::get_resource_type(path);
888	fi->resource_script_class = ResourceLoader::get_resource_script_class(path);
889	fi->import_group_file = ResourceLoader::get_import_group_file(path);
890	//there is also the chance that file type changed due to reimport, must probably check this somehow here (or kind of note it for next time in another file?)
891	//note: I think this should not happen any longer..
892	}
893
894	if (fc->uid == ResourceUID::INVALID_ID) {
895	// imported files should always have a UID, so attempt to fetch it.
896	fi->uid = ResourceLoader::get_resource_uid(path);
897	}
898
899	} else {
900	fi->type = ResourceFormatImporter::get_singleton()->get_resource_type(path);
901	fi->uid = ResourceFormatImporter::get_singleton()->get_resource_uid(path);
902	fi->import_group_file = ResourceFormatImporter::get_singleton()->get_import_group_file(path);
903	fi->script_class_name = _get_global_script_class(fi->type, path, &fi->script_class_extends, &fi->script_class_icon_path);
904	fi->modified_time = `0`;
905	fi->import_modified_time = `0`;
906	fi->import_valid = fi->type == "TextFile" ? true : ResourceLoader::is_import_valid(path);
907
908	ItemAction ia;
909	ia.action = ItemAction::ACTION_FILE_TEST_REIMPORT;
910	ia.dir = p_dir;
911	ia.file = E->get();
912	scan_actions.push_back(ia);
913	}
914	} else {
915	if (fc && fc->modification_time == mt) {
916	//not imported, so just update type if changed
917	fi->type = fc->type;
918	fi->resource_script_class = fc->resource_script_class;
919	fi->uid = fc->uid;
920	fi->modified_time = fc->modification_time;
921	fi->deps = fc->deps;
922	fi->import_modified_time = `0`;
923	fi->import_valid = true;
924	fi->script_class_name = fc->script_class_name;
925	fi->script_class_extends = fc->script_class_extends;
926	fi->script_class_icon_path = fc->script_class_icon_path;
927	} else {
928	//new or modified time
929	fi->type = ResourceLoader::get_resource_type(path);
930	fi->resource_script_class = ResourceLoader::get_resource_script_class(path);
931	if (fi->type == "" && textfile_extensions.has(ext)) {
932	fi->type = "TextFile";
933	}
934	fi->uid = ResourceLoader::get_resource_uid(path);
935	fi->script_class_name = _get_global_script_class(fi->type, path, &fi->script_class_extends, &fi->script_class_icon_path);
936	fi->deps = _get_dependencies(path);
937	fi->modified_time = mt;
938	fi->import_modified_time = `0`;
939	fi->import_valid = true;
940
941	if (ClassDB::is_parent_class(fi->type, SNAME("Script"))) {
942	_queue_update_script_class(path);
943	}
944	}
945	}
946
947	if (fi->uid != ResourceUID::INVALID_ID) {
948	if (ResourceUID::get_singleton()->has_id(fi->uid)) {
949	ResourceUID::get_singleton()->set_id(fi->uid, path);
950	} else {
951	ResourceUID::get_singleton()->add_id(fi->uid, path);
952	}
953	}
954
955	p_dir->files.push_back(fi);
956	p_progress.update(idx, total);
957	}
958	}
959
960	void EditorFileSystem::_scan_fs_changes(EditorFileSystemDirectory p_dir, const* ScanProgress &p_progress) {
961	uint64_t current_mtime = FileAccess::get_modified_time(p_dir->get_path());
962
963	bool updated_dir = false;
964	String cd = p_dir->get_path();
965
966	if (current_mtime != p_dir->modified_time \|\| using_fat32_or_exfat) {
967	updated_dir = true;
968	p_dir->modified_time = current_mtime;
969	//ooooops, dir changed, see what's going on
970
971	//first mark everything as veryfied
972
973	for (int i = `0`; i < p_dir->files.size(); i++) {
974	p_dir->files [i]->verified = false;
975	}
976
977	for (int i = `0`; i < p_dir->subdirs.size(); i++) {
978	p_dir->get_subdir(i)->verified = false;
979	}
980
981	//then scan files and directories and check what's different
982
983	Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
984
985	Error ret = da ->change_dir(cd);
986	ERR_FAIL_COND_MSG(ret != OK, "Cannot change to '" + cd + "' folder.");
987
988	da ->list_dir_begin();
989	while (true) {
990	String f = da ->get_next();
991	if (f.is_empty()) {
992	break;
993	}
994
995	if (da ->current_is_hidden()) {
996	continue;
997	}
998
999	if (da ->current_is_dir()) {
1000	if (f.begins_with(".")) { // Ignore special and . / ..
1001	continue;
1002	}
1003
1004	int idx = p_dir->find_dir_index(f);
1005	if (idx == -`1`) {
1006	if (_should_skip_directory(cd.path_join(f))) {
1007	continue;
1008	}
1009
1010	EditorFileSystemDirectory *efd = memnew(EditorFileSystemDirectory);
1011
1012	efd->parent = p_dir;
1013	efd->name = f;
1014	Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
1015	d ->change_dir(cd.path_join(f));
1016	_scan_new_dir(efd, d, p_progress.get_sub(`1`, `1`));
1017
1018	ItemAction ia;
1019	ia.action = ItemAction::ACTION_DIR_ADD;
1020	ia.dir = p_dir;
1021	ia.file = f;
1022	ia.new_dir = efd;
1023	scan_actions.push_back(ia);
1024	} else {
1025	p_dir->subdirs [idx]->verified = true;
1026	}
1027
1028	} else {
1029	String ext = f.get_extension().to_lower();
1030	if (!valid_extensions.has(ext)) {
1031	continue; //invalid
1032	}
1033
1034	int idx = p_dir->find_file_index(f);
1035
1036	if (idx == -`1`) {
1037	//never seen this file, add actition to add it
1038	EditorFileSystemDirectory::FileInfo *fi = memnew(EditorFileSystemDirectory::FileInfo);
1039	fi->file = f;
1040
1041	String path = cd.path_join(fi->file);
1042	fi->modified_time = FileAccess::get_modified_time(path);
1043	fi->import_modified_time = `0`;
1044	fi->type = ResourceLoader::get_resource_type(path);
1045	fi->resource_script_class = ResourceLoader::get_resource_script_class(path);
1046	if (fi->type == "" && textfile_extensions.has(ext)) {
1047	fi->type = "TextFile";
1048	}
1049	fi->script_class_name = _get_global_script_class(fi->type, path, &fi->script_class_extends, &fi->script_class_icon_path);
1050	fi->import_valid = fi->type == "TextFile" ? true : ResourceLoader::is_import_valid(path);
1051	fi->import_group_file = ResourceLoader::get_import_group_file(path);
1052
1053	{
1054	ItemAction ia;
1055	ia.action = ItemAction::ACTION_FILE_ADD;
1056	ia.dir = p_dir;
1057	ia.file = f;
1058	ia.new_file = fi;
1059	scan_actions.push_back(ia);
1060	}
1061
1062	if (import_extensions.has(ext)) {
1063	//if it can be imported, and it was added, it needs to be reimported
1064	ItemAction ia;
1065	ia.action = ItemAction::ACTION_FILE_TEST_REIMPORT;
1066	ia.dir = p_dir;
1067	ia.file = f;
1068	scan_actions.push_back(ia);
1069	}
1070
1071	} else {
1072	p_dir->files [idx]->verified = true;
1073	}
1074	}
1075	}
1076
1077	da ->list_dir_end();
1078	}
1079
1080	for (int i = `0`; i < p_dir->files.size(); i++) {
1081	if (updated_dir && !p_dir->files [i]->verified) {
1082	//this file was removed, add action to remove it
1083	ItemAction ia;
1084	ia.action = ItemAction::ACTION_FILE_REMOVE;
1085	ia.dir = p_dir;
1086	ia.file = p_dir->files [i]->file;
1087	scan_actions.push_back(ia);
1088	continue;
1089	}
1090
1091	String path = cd.path_join(p_dir->files [i]->file);
1092
1093	if (import_extensions.has(p_dir->files [i]->file.get_extension().to_lower())) {
1094	//check here if file must be imported or not
1095
1096	uint64_t mt = FileAccess::get_modified_time(path);
1097
1098	bool reimport = false;
1099
1100	if (mt != p_dir->files [i]->modified_time) {
1101	reimport = true; //it was modified, must be reimported.
1102	} else if (!FileAccess::exists(path + ".import")) {
1103	reimport = true; //no .import file, obviously reimport
1104	} else {
1105	uint64_t import_mt = FileAccess::get_modified_time(path + ".import");
1106	if (import_mt != p_dir->files [i]->import_modified_time) {
1107	reimport = true;
1108	} else if (_test_for_reimport(path, true)) {
1109	reimport = true;
1110	}
1111	}
1112
1113	if (reimport) {
1114	ItemAction ia;
1115	ia.action = ItemAction::ACTION_FILE_TEST_REIMPORT;
1116	ia.dir = p_dir;
1117	ia.file = p_dir->files [i]->file;
1118	scan_actions.push_back(ia);
1119	}
1120	} else if (ResourceCache::has(path)) { //test for potential reload
1121
1122	uint64_t mt = FileAccess::get_modified_time(path);
1123
1124	if (mt != p_dir->files [i]->modified_time) {
1125	p_dir->files [i]->modified_time = mt; //save new time, but test for reload
1126
1127	ItemAction ia;
1128	ia.action = ItemAction::ACTION_FILE_RELOAD;
1129	ia.dir = p_dir;
1130	ia.file = p_dir->files [i]->file;
1131	scan_actions.push_back(ia);
1132	}
1133	}
1134	}
1135
1136	for (int i = `0`; i < p_dir->subdirs.size(); i++) {
1137	if ((updated_dir && !p_dir->subdirs [i]->verified) \|\| _should_skip_directory(p_dir->subdirs [i]->get_path())) {
1138	//this directory was removed or ignored, add action to remove it
1139	ItemAction ia;
1140	ia.action = ItemAction::ACTION_DIR_REMOVE;
1141	ia.dir = p_dir->subdirs [i];
1142	scan_actions.push_back(ia);
1143	continue;
1144	}
1145	_scan_fs_changes(p_dir->get_subdir(i), p_progress);
1146	}
1147	}
1148
1149	void EditorFileSystem::_delete_internal_files(String p_file) {
1150	if (FileAccess::exists(p_file + ".import")) {
1151	List<String> paths;
1152	ResourceFormatImporter::get_singleton()->get_internal_resource_path_list(p_file, &paths);
1153	Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
1154	for (const String &E : paths) {
1155	da ->remove(E);
1156	}
1157	da ->remove(p_file + ".import");
1158	}
1159	}
1160
1161	void EditorFileSystem::_thread_func_sources(void *_userdata) {
1162	EditorFileSystem efs = (EditorFileSystem )_userdata;
1163	if (efs->filesystem) {
1164	EditorProgressBG pr("sources", TTR("ScanSources"), `1000`);
1165	ScanProgress sp;
1166	sp.progress = &pr;
1167	sp.hi = `1`;
1168	sp.low = `0`;
1169	efs->_scan_fs_changes(efs->filesystem, sp);
1170	}
1171	efs->scanning_changes_done = true;
1172	}
1173
1174	void EditorFileSystem::scan_changes() {
1175	if (first_scan \|\| // Prevent a premature changes scan from inhibiting the first full scan
1176	scanning \|\| scanning_changes \|\| thread.is_started()) {
1177	scan_changes_pending = true;
1178	set_process(true);
1179	return;
1180	}
1181
1182	_update_extensions();
1183	sources_changed.clear();
1184	scanning_changes = true;
1185	scanning_changes_done = false;
1186
1187	if (!use_threads) {
1188	if (filesystem) {
1189	EditorProgressBG pr("sources", TTR("ScanSources"), `1000`);
1190	ScanProgress sp;
1191	sp.progress = &pr;
1192	sp.hi = `1`;
1193	sp.low = `0`;
1194	scan_total = `0`;
1195	_scan_fs_changes(filesystem, sp);
1196	bool changed = _update_scan_actions();
1197	_update_pending_script_classes();
1198	if (changed) {
1199	emit_signal(SNAME("filesystem_changed"));
1200	}
1201	}
1202	scanning_changes = false;
1203	scanning_changes_done = true;
1204	emit_signal(SNAME("sources_changed"), sources_changed.size() > `0`);
1205	} else {
1206	ERR_FAIL_COND(thread_sources.is_started());
1207	set_process(true);
1208	scan_total = `0`;
1209	Thread::Settings s;
1210	s.priority = Thread::PRIORITY_LOW;
1211	thread_sources.start(_thread_func_sources, this, s);
1212	}
1213	}
1214
1215	void EditorFileSystem::_notification(int p_what) {
1216	switch (p_what) {
1217	case NOTIFICATION_EXIT_TREE: {
1218	Thread &active_thread = thread.is_started() ? thread : thread_sources;
1219	if (use_threads && active_thread.is_started()) {
1220	while (scanning) {
1221	OS::get_singleton()->delay_usec(`1000`);
1222	}
1223	active_thread.wait_to_finish();
1224	WARN_PRINT("Scan thread aborted...");
1225	set_process(false);
1226	}
1227
1228	if (filesystem) {
1229	memdelete(filesystem);
1230	}
1231	if (new_filesystem) {
1232	memdelete(new_filesystem);
1233	}
1234	filesystem = nullptr;
1235	new_filesystem = nullptr;
1236	} break;
1237
1238	case NOTIFICATION_PROCESS: {
1239	if (use_threads) {
1240	/* This hack exists because of the EditorProgress nature*
1241	* of processing events recursively. This needs to be rewritten
1242	* at some point entirely, but in the meantime the following
1243	* hack prevents deadlock on import.
1244	*/
1245
1246	static bool prevent_recursive_process_hack = false;
1247	if (prevent_recursive_process_hack) {
1248	break;
1249	}
1250
1251	prevent_recursive_process_hack = true;
1252
1253	bool done_importing = false;
1254
1255	if (scanning_changes) {
1256	if (scanning_changes_done) {
1257	set_process(false);
1258
1259	if (thread_sources.is_started()) {
1260	thread_sources.wait_to_finish();
1261	}
1262	bool changed = _update_scan_actions();
1263	_update_pending_script_classes();
1264	if (changed) {
1265	emit_signal(SNAME("filesystem_changed"));
1266	}
1267	emit_signal(SNAME("sources_changed"), sources_changed.size() > `0`);
1268	first_scan = false;
1269	scanning_changes = false; // Changed to false here to prevent recursive triggering of scan thread.
1270	done_importing = true;
1271	}
1272	} else if (!scanning && thread.is_started()) {
1273	set_process(false);
1274
1275	if (filesystem) {
1276	memdelete(filesystem);
1277	}
1278	filesystem = new_filesystem;
1279	new_filesystem = nullptr;
1280	thread.wait_to_finish();
1281	_update_scan_actions();
1282	_update_pending_script_classes();
1283	emit_signal(SNAME("filesystem_changed"));
1284	emit_signal(SNAME("sources_changed"), sources_changed.size() > `0`);
1285	first_scan = false;
1286	}
1287
1288	if (done_importing && scan_changes_pending) {
1289	scan_changes_pending = false;
1290	scan_changes();
1291	}
1292
1293	prevent_recursive_process_hack = false;
1294	}
1295	} break;
1296	}
1297	}
1298
1299	bool EditorFileSystem::is_scanning() const {
1300	return scanning \|\| scanning_changes;
1301	}
1302
1303	float EditorFileSystem::get_scanning_progress() const {
1304	return scan_total;
1305	}
1306
1307	EditorFileSystemDirectory *EditorFileSystem::get_filesystem() {
1308	return filesystem;
1309	}
1310
1311	void EditorFileSystem::_save_filesystem_cache(EditorFileSystemDirectory *p_dir, Ref<FileAccess> p_file) {
1312	if (!p_dir) {
1313	return; //none
1314	}
1315	p_file ->store_line("::" + p_dir->get_path() + "::" + String::num(p_dir->modified_time));
1316
1317	for (int i = `0`; i < p_dir->files.size(); i++) {
1318	if (!p_dir->files [i]->import_group_file.is_empty()) {
1319	group_file_cache.insert(p_dir->files [i]->import_group_file);
1320	}
1321
1322	String type = p_dir->files [i]->type;
1323	if (p_dir->files [i]->resource_script_class) {
1324	type += "/" + String(p_dir->files [i]->resource_script_class);
1325	}
1326	String s = p_dir->files [i]->file + "::" + type + "::" + itos(p_dir->files [i]->uid) + "::" + itos(p_dir->files [i]->modified_time) + "::" + itos(p_dir->files [i]->import_modified_time) + "::" + itos(p_dir->files [i]->import_valid) + "::" + p_dir->files [i]->import_group_file + "::" + p_dir->files [i]->script_class_name + "<>" + p_dir->files [i]->script_class_extends + "<>" + p_dir->files [i]->script_class_icon_path;
1327	s += "::";
1328	for (int j = `0`; j < p_dir->files [i]->deps.size(); j++) {
1329	if (j > `0`) {
1330	s += "<>";
1331	}
1332	s += p_dir->files [i]->deps [j];
1333	}
1334
1335	p_file ->store_line(s);
1336	}
1337
1338	for (int i = `0`; i < p_dir->subdirs.size(); i++) {
1339	_save_filesystem_cache(p_dir->subdirs [i], p_file);
1340	}
1341	}
1342
1343	bool EditorFileSystem::_find_file(const String &p_file, EditorFileSystemDirectory *r_d, int* &r_file_pos) const {
1344	//todo make faster
1345
1346	if (!filesystem \|\| scanning) {
1347	return false;
1348	}
1349
1350	String f = ProjectSettings::get_singleton()->localize_path(p_file);
1351
1352	if (!f.begins_with("res://")) {
1353	return false;
1354	}
1355	f = f.substr(`6`, f.length());
1356	f = f.replace("\\", "/");
1357
1358	Vector<String> path = f.split("/");
1359
1360	if (path.size() == `0`) {
1361	return false;
1362	}
1363	String file = path [path.size() - `1`];
1364	path.resize(path.size() - `1`);
1365
1366	EditorFileSystemDirectory *fs = filesystem;
1367
1368	for (int i = `0`; i < path.size(); i++) {
1369	if (path [i].begins_with(".")) {
1370	return false;
1371	}
1372
1373	int idx = -`1`;
1374	for (int j = `0`; j < fs->get_subdir_count(); j++) {
1375	if (fs->get_subdir(j)->get_name() == path [i]) {
1376	idx = j;
1377	break;
1378	}
1379	}
1380
1381	if (idx == -`1`) {
1382	//does not exist, create i guess?
1383	EditorFileSystemDirectory *efsd = memnew(EditorFileSystemDirectory);
1384
1385	efsd->name = path [i];
1386	efsd->parent = fs;
1387
1388	int idx2 = `0`;
1389	for (int j = `0`; j < fs->get_subdir_count(); j++) {
1390	if (efsd->name.naturalnocasecmp_to(fs->get_subdir(j)->get_name()) < `0`) {
1391	break;
1392	}
1393	idx2++;
1394	}
1395
1396	if (idx2 == fs->get_subdir_count()) {
1397	fs->subdirs.push_back(efsd);
1398	} else {
1399	fs->subdirs.insert(idx2, efsd);
1400	}
1401	fs = efsd;
1402	} else {
1403	fs = fs->get_subdir(idx);
1404	}
1405	}
1406
1407	int cpos = -`1`;
1408	for (int i = `0`; i < fs->files.size(); i++) {
1409	if (fs->files [i]->file == file) {
1410	cpos = i;
1411	break;
1412	}
1413	}
1414
1415	r_file_pos = cpos;
1416	*r_d = fs;
1417
1418	return cpos != -`1`;
1419	}
1420
1421	String EditorFileSystem::get_file_type(const String &p_file) const {
1422	EditorFileSystemDirectory fs = nullptr*;
1423	int cpos = -`1`;
1424
1425	if (!_find_file(p_file, &fs, cpos)) {
1426	return "";
1427	}
1428
1429	return fs->files [cpos]->type;
1430	}
1431
1432	EditorFileSystemDirectory EditorFileSystem::find_file(const* String &p_file, int r_index) const* {
1433	if (!filesystem \|\| scanning) {
1434	return nullptr;
1435	}
1436
1437	EditorFileSystemDirectory fs = nullptr*;
1438	int cpos = -`1`;
1439	if (!_find_file(p_file, &fs, cpos)) {
1440	return nullptr;
1441	}
1442
1443	if (r_index) {
1444	*r_index = cpos;
1445	}
1446
1447	return fs;
1448	}
1449
1450	EditorFileSystemDirectory EditorFileSystem::get_filesystem_path(const* String &p_path) {
1451	if (!filesystem \|\| scanning) {
1452	return nullptr;
1453	}
1454
1455	String f = ProjectSettings::get_singleton()->localize_path(p_path);
1456
1457	if (!f.begins_with("res://")) {
1458	return nullptr;
1459	}
1460
1461	f = f.substr(`6`, f.length());
1462	f = f.replace("\\", "/");
1463	if (f.is_empty()) {
1464	return filesystem;
1465	}
1466
1467	if (f.ends_with("/")) {
1468	f = f.substr(`0`, f.length() - `1`);
1469	}
1470
1471	Vector<String> path = f.split("/");
1472
1473	if (path.size() == `0`) {
1474	return nullptr;
1475	}
1476
1477	EditorFileSystemDirectory *fs = filesystem;
1478
1479	for (int i = `0`; i < path.size(); i++) {
1480	int idx = -`1`;
1481	for (int j = `0`; j < fs->get_subdir_count(); j++) {
1482	if (fs->get_subdir(j)->get_name() == path [i]) {
1483	idx = j;
1484	break;
1485	}
1486	}
1487
1488	if (idx == -`1`) {
1489	return nullptr;
1490	} else {
1491	fs = fs->get_subdir(idx);
1492	}
1493	}
1494
1495	return fs;
1496	}
1497
1498	void EditorFileSystem::_save_late_updated_files() {
1499	//files that already existed, and were modified, need re-scanning for dependencies upon project restart. This is done via saving this special file
1500	String fscache = EditorPaths::get_singleton()->get_project_settings_dir().path_join("filesystem_update4");
1501	Ref<FileAccess> f = FileAccess::open(fscache, FileAccess::WRITE);
1502	ERR_FAIL_COND_MSG(f.is_null(), "Cannot create file '" + fscache + "'. Check user write permissions.");
1503	for (const String &E : late_update_files) {
1504	f ->store_line(E);
1505	}
1506	}
1507
1508	Vector<String> EditorFileSystem::_get_dependencies(const String &p_path) {
1509	// Avoid error spam on first opening of a not yet imported project by treating the following situation
1510	// as a benign one, not letting the file open error happen: the resource is of an importable type but
1511	// it has not been imported yet.
1512	if (ResourceFormatImporter::get_singleton()->recognize_path(p_path)) {
1513	const String &internal_path = ResourceFormatImporter::get_singleton()->get_internal_resource_path(p_path);
1514	if (!internal_path.is_empty() && !FileAccess::exists(internal_path)) { // If path is empty (error), keep the code flow to the error.
1515	return Vector<String>();
1516	}
1517	}
1518
1519	List<String> deps;
1520	ResourceLoader::get_dependencies(p_path, &deps);
1521
1522	Vector<String> ret;
1523	for (const String &E : deps) {
1524	ret.push_back(E);
1525	}
1526
1527	return ret;
1528	}
1529
1530	String EditorFileSystem::_get_global_script_class(const String &p_type, const String &p_path, String r_extends, String r_icon_path) const {
1531	for (int i = `0`; i < ScriptServer::get_language_count(); i++) {
1532	if (ScriptServer::get_language(i)->handles_global_class_type(p_type)) {
1533	String global_name;
1534	String extends;
1535	String icon_path;
1536
1537	global_name = ScriptServer::get_language(i)->get_global_class_name(p_path, &extends, &icon_path);
1538	*r_extends = extends;
1539	*r_icon_path = icon_path;
1540	return global_name;
1541	}
1542	}
1543	*r_extends = String ();
1544	*r_icon_path = String ();
1545	return String ();
1546	}
1547
1548	void EditorFileSystem::_update_script_classes() {
1549	update_script_mutex.lock();
1550
1551	for (const String &path : update_script_paths) {
1552	ScriptServer::remove_global_class_by_path(path); // First remove, just in case it changed
1553
1554	int index = -`1`;
1555	EditorFileSystemDirectory *efd = find_file(path, &index);
1556
1557	if (!efd \|\| index < `0`) {
1558	// The file was removed
1559	continue;
1560	}
1561
1562	if (!efd->files [index]->script_class_name.is_empty()) {
1563	String lang;
1564	for (int j = `0`; j < ScriptServer::get_language_count(); j++) {
1565	if (ScriptServer::get_language(j)->handles_global_class_type(efd->files [index]->type)) {
1566	lang = ScriptServer::get_language(j)->get_name();
1567	}
1568	}
1569	if (lang.is_empty()) {
1570	continue; // No lang found that can handle this global class
1571	}
1572
1573	ScriptServer::add_global_class(efd->files [index]->script_class_name, efd->files [index]->script_class_extends, lang, path);
1574	EditorNode::get_editor_data().script_class_set_icon_path(efd->files [index]->script_class_name, efd->files [index]->script_class_icon_path);
1575	EditorNode::get_editor_data().script_class_set_name(path, efd->files [index]->script_class_name);
1576	}
1577	}
1578
1579	// Parse documentation second, as it requires the class names to be correct and registered
1580	for (const String &path : update_script_paths) {
1581	int index = -`1`;
1582	EditorFileSystemDirectory *efd = find_file(path, &index);
1583
1584	if (!efd \|\| index < `0`) {
1585	// The file was removed
1586	continue;
1587	}
1588
1589	for (int i = `0`; i < ScriptServer::get_language_count(); i++) {
1590	ScriptLanguage *lang = ScriptServer::get_language(i);
1591	if (lang->supports_documentation() && efd->files [index]->type == lang->get_type()) {
1592	Ref<Script> scr = ResourceLoader::load(path);
1593	if (scr.is_null()) {
1594	continue;
1595	}
1596	Vector<DocData::ClassDoc> docs = scr ->get_documentation();
1597	for (int j = `0`; j < docs.size(); j++) {
1598	EditorHelp::get_doc_data()->add_doc(docs [j]);
1599	}
1600	}
1601	}
1602	}
1603
1604	update_script_paths.clear();
1605	update_script_mutex.unlock();
1606
1607	ScriptServer::save_global_classes();
1608	EditorNode::get_editor_data().script_class_save_icon_paths();
1609	emit_signal("script_classes_updated");
1610
1611	// Rescan custom loaders and savers.
1612	// Doing the following here because the `filesystem_changed` signal fires multiple times and isn't always followed by script classes update.
1613	// So I thought it's better to do this when script classes really get updated
1614	ResourceLoader::remove_custom_loaders();
1615	ResourceLoader::add_custom_loaders();
1616	ResourceSaver::remove_custom_savers();
1617	ResourceSaver::add_custom_savers();
1618	}
1619
1620	void EditorFileSystem::_update_pending_script_classes() {
1621	if (!update_script_paths.is_empty()) {
1622	_update_script_classes();
1623	} else {
1624	// In case the class cache file was removed somehow, regenerate it.
1625	if (!FileAccess::exists(ScriptServer::get_global_class_cache_file_path())) {
1626	ScriptServer::save_global_classes();
1627	}
1628	}
1629	}
1630
1631	void EditorFileSystem::_queue_update_script_class(const String &p_path) {
1632	update_script_mutex.lock();
1633	update_script_paths.insert(p_path);
1634	update_script_mutex.unlock();
1635	}
1636
1637	void EditorFileSystem::update_file(const String &p_file) {
1638	ERR_FAIL_COND(p_file.is_empty());
1639	EditorFileSystemDirectory fs = nullptr*;
1640	int cpos = -`1`;
1641
1642	if (!_find_file(p_file, &fs, cpos)) {
1643	if (!fs) {
1644	return;
1645	}
1646	}
1647
1648	if (!FileAccess::exists(p_file)) {
1649	//was removed
1650	_delete_internal_files(p_file);
1651	if (cpos != -`1`) { // Might've never been part of the editor file system (.* files deleted in Open dialog).*
1652	if (fs->files [cpos]->uid != ResourceUID::INVALID_ID) {
1653	if (ResourceUID::get_singleton()->has_id(fs->files [cpos]->uid)) {
1654	ResourceUID::get_singleton()->remove_id(fs->files [cpos]->uid);
1655	}
1656	}
1657	if (ClassDB::is_parent_class(fs->files [cpos]->type, SNAME("Script"))) {
1658	_queue_update_script_class(p_file);
1659	}
1660
1661	memdelete(fs->files [cpos]);
1662	fs->files.remove_at(cpos);
1663	}
1664
1665	_update_pending_script_classes();
1666	call_deferred(SNAME("emit_signal"), "filesystem_changed"); //update later
1667	return;
1668	}
1669
1670	String type = ResourceLoader::get_resource_type(p_file);
1671	if (type.is_empty() && textfile_extensions.has(p_file.get_extension())) {
1672	type = "TextFile";
1673	}
1674	String script_class = ResourceLoader::get_resource_script_class(p_file);
1675
1676	ResourceUID::ID uid = ResourceLoader::get_resource_uid(p_file);
1677
1678	if (cpos == -`1`) {
1679	// The file did not exist, it was added.
1680	int idx = `0`;
1681	String file_name = p_file.get_file();
1682
1683	for (int i = `0`; i < fs->files.size(); i++) {
1684	if (p_file.naturalnocasecmp_to(fs->files [i]->file) < `0`) {
1685	break;
1686	}
1687	idx++;
1688	}
1689
1690	EditorFileSystemDirectory::FileInfo *fi = memnew(EditorFileSystemDirectory::FileInfo);
1691	fi->file = file_name;
1692	fi->import_modified_time = `0`;
1693	fi->import_valid = type == "TextFile" ? true : ResourceLoader::is_import_valid(p_file);
1694
1695	if (idx == fs->files.size()) {
1696	fs->files.push_back(fi);
1697	} else {
1698	fs->files.insert(idx, fi);
1699	}
1700	cpos = idx;
1701	} else {
1702	//the file exists and it was updated, and was not added in this step.
1703	//this means we must force upon next restart to scan it again, to get proper type and dependencies
1704	late_update_files.insert(p_file);
1705	_save_late_updated_files(); //files need to be updated in the re-scan
1706	}
1707
1708	fs->files [cpos]->type = type;
1709	fs->files [cpos]->resource_script_class = script_class;
1710	fs->files [cpos]->uid = uid;
1711	fs->files [cpos]->script_class_name = _get_global_script_class(type, p_file, &fs->files [cpos]->script_class_extends, &fs->files [cpos]->script_class_icon_path);
1712	fs->files [cpos]->import_group_file = ResourceLoader::get_import_group_file(p_file);
1713	fs->files [cpos]->modified_time = FileAccess::get_modified_time(p_file);
1714	fs->files [cpos]->deps = _get_dependencies(p_file);
1715	fs->files [cpos]->import_valid = type == "TextFile" ? true : ResourceLoader::is_import_valid(p_file);
1716
1717	if (uid != ResourceUID::INVALID_ID) {
1718	if (ResourceUID::get_singleton()->has_id(uid)) {
1719	ResourceUID::get_singleton()->set_id(uid, p_file);
1720	} else {
1721	ResourceUID::get_singleton()->add_id(uid, p_file);
1722	}
1723
1724	ResourceUID::get_singleton()->update_cache();
1725	}
1726	// Update preview
1727	EditorResourcePreview::get_singleton()->check_for_invalidation(p_file);
1728
1729	if (ClassDB::is_parent_class(fs->files [cpos]->type, SNAME("Script"))) {
1730	_queue_update_script_class(p_file);
1731	}
1732
1733	_update_pending_script_classes();
1734	call_deferred(SNAME("emit_signal"), "filesystem_changed"); //update later
1735	}
1736
1737	HashSet<String> EditorFileSystem::get_valid_extensions() const {
1738	return valid_extensions;
1739	}
1740
1741	Error EditorFileSystem::_reimport_group(const String &p_group_file, const Vector<String> &p_files) {
1742	String importer_name;
1743
1744	HashMap<String, HashMap<StringName, Variant>> source_file_options;
1745	HashMap<String, ResourceUID::ID> uids;
1746	HashMap<String, String> base_paths;
1747	for (int i = `0`; i < p_files.size(); i++) {
1748	Ref<ConfigFile> config;
1749	config.instantiate();
1750	Error err = config ->load(p_files [i] + ".import");
1751	ERR_CONTINUE(err != OK);
1752	ERR_CONTINUE(!config ->has_section_key("remap", "importer"));
1753	String file_importer_name = config ->get_value("remap", "importer");
1754	ERR_CONTINUE(file_importer_name.is_empty());
1755
1756	if (!importer_name.is_empty() && importer_name != file_importer_name) {
1757	EditorNode::get_singleton()->show_warning(vformat(TTR("There are multiple importers for different types pointing to file %s, import aborted"), p_group_file));
1758	ERR_FAIL_V(ERR_FILE_CORRUPT);
1759	}
1760
1761	ResourceUID::ID uid = ResourceUID::INVALID_ID;
1762
1763	if (config ->has_section_key("remap", "uid")) {
1764	String uidt = config ->get_value("remap", "uid");
1765	uid = ResourceUID::get_singleton()->text_to_id(uidt);
1766	}
1767
1768	uids [p_files [i]] = uid;
1769
1770	source_file_options [p_files [i]] = HashMap<StringName, Variant>();
1771	importer_name = file_importer_name;
1772
1773	if (importer_name == "keep") {
1774	continue; //do nothing
1775	}
1776
1777	Ref<ResourceImporter> importer = ResourceFormatImporter::get_singleton()->get_importer_by_name(importer_name);
1778	ERR_FAIL_COND_V(!importer.is_valid(), ERR_FILE_CORRUPT);
1779	List<ResourceImporter::ImportOption> options;
1780	importer ->get_import_options(p_files [i], &options);
1781	//set default values
1782	for (const ResourceImporter::ImportOption &E : options) {
1783	source_file_options [p_files [i]][E.option.name] = E.default_value;
1784	}
1785
1786	if (config ->has_section("params")) {
1787	List<String> sk;
1788	config ->get_section_keys("params", &sk);
1789	for (const String &param : sk) {
1790	Variant value = config ->get_value("params", param);
1791	//override with whatever is in file
1792	source_file_options [p_files [i]][param] = value;
1793	}
1794	}
1795
1796	base_paths [p_files [i]] = ResourceFormatImporter::get_singleton()->get_import_base_path(p_files [i]);
1797	}
1798
1799	if (importer_name == "keep") {
1800	return OK; // (do nothing)
1801	}
1802
1803	ERR_FAIL_COND_V(importer_name.is_empty(), ERR_UNCONFIGURED);
1804
1805	Ref<ResourceImporter> importer = ResourceFormatImporter::get_singleton()->get_importer_by_name(importer_name);
1806
1807	Error err = importer ->import_group_file(p_group_file, source_file_options, base_paths);
1808
1809	//all went well, overwrite config files with proper remaps and md5s
1810	for (const KeyValue<String, HashMap<StringName, Variant>> &E : source_file_options) {
1811	const String &file = E.key;
1812	String base_path = ResourceFormatImporter::get_singleton()->get_import_base_path(file);
1813	Vector<String> dest_paths;
1814	ResourceUID::ID uid = uids [file];
1815	{
1816	Ref<FileAccess> f = FileAccess::open(file + ".import", FileAccess::WRITE);
1817	ERR_FAIL_COND_V_MSG(f.is_null(), ERR_FILE_CANT_OPEN, "Cannot open import file '" + file + ".import'.");
1818
1819	//write manually, as order matters ([remap] has to go first for performance).
1820	f ->store_line("[remap]");
1821	f ->store_line("");
1822	f ->store_line("importer=\"" + importer ->get_importer_name() + "\"");
1823	int version = importer ->get_format_version();
1824	if (version > `0`) {
1825	f ->store_line("importer_version=" + itos(version));
1826	}
1827	if (!importer ->get_resource_type().is_empty()) {
1828	f ->store_line("type=\"" + importer ->get_resource_type() + "\"");
1829	}
1830
1831	if (uid == ResourceUID::INVALID_ID) {
1832	uid = ResourceUID::get_singleton()->create_id();
1833	}
1834
1835	f ->store_line("uid=\"" + ResourceUID::get_singleton()->id_to_text(uid) + "\""); // Store in readable format.
1836
1837	if (err == OK) {
1838	String path = base_path + "." + importer ->get_save_extension();
1839	f ->store_line("path=\"" + path + "\"");
1840	dest_paths.push_back(path);
1841	}
1842
1843	f ->store_line("group_file=" + Variant (p_group_file).get_construct_string());
1844
1845	if (err == OK) {
1846	f ->store_line("valid=true");
1847	} else {
1848	f ->store_line("valid=false");
1849	}
1850	f ->store_line("[deps]\n");
1851
1852	f ->store_line("");
1853
1854	f ->store_line("source_file=" + Variant (file).get_construct_string());
1855	if (dest_paths.size()) {
1856	Array dp;
1857	for (int i = `0`; i < dest_paths.size(); i++) {
1858	dp.push_back(dest_paths [i]);
1859	}
1860	f ->store_line("dest_files=" + Variant (dp).get_construct_string() + "\n");
1861	}
1862	f ->store_line("[params]");
1863	f ->store_line("");
1864
1865	//store options in provided order, to avoid file changing. Order is also important because first match is accepted first.
1866
1867	List<ResourceImporter::ImportOption> options;
1868	importer ->get_import_options(file, &options);
1869	//set default values
1870	for (const ResourceImporter::ImportOption &F : options) {
1871	String base = F.option.name;
1872	Variant v = F.default_value;
1873	if (source_file_options [file].has(base)) {
1874	v = source_file_options [file][base];
1875	}
1876	String value;
1877	VariantWriter::write_to_string(v, value);
1878	f ->store_line(base + "=" + value);
1879	}
1880	}
1881
1882	// Store the md5's of the various files. These are stored separately so that the .import files can be version controlled.
1883	{
1884	Ref<FileAccess> md5s = FileAccess::open(base_path + ".md5", FileAccess::WRITE);
1885	ERR_FAIL_COND_V_MSG(md5s.is_null(), ERR_FILE_CANT_OPEN, "Cannot open MD5 file '" + base_path + ".md5'.");
1886
1887	md5s ->store_line("source_md5=\"" + FileAccess::get_md5(file) + "\"");
1888	if (dest_paths.size()) {
1889	md5s ->store_line("dest_md5=\"" + FileAccess::get_multiple_md5(dest_paths) + "\"\n");
1890	}
1891	}
1892
1893	EditorFileSystemDirectory fs = nullptr*;
1894	int cpos = -`1`;
1895	bool found = _find_file(file, &fs, cpos);
1896	ERR_FAIL_COND_V_MSG(!found, ERR_UNCONFIGURED, "Can't find file '" + file + "'.");
1897
1898	//update modified times, to avoid reimport
1899	fs->files [cpos]->modified_time = FileAccess::get_modified_time(file);
1900	fs->files [cpos]->import_modified_time = FileAccess::get_modified_time(file + ".import");
1901	fs->files [cpos]->deps = _get_dependencies(file);
1902	fs->files [cpos]->uid = uid;
1903	fs->files [cpos]->type = importer ->get_resource_type();
1904	if (fs->files [cpos]->type == "" && textfile_extensions.has(file.get_extension())) {
1905	fs->files [cpos]->type = "TextFile";
1906	}
1907	fs->files [cpos]->import_valid = err == OK;
1908
1909	if (ResourceUID::get_singleton()->has_id(uid)) {
1910	ResourceUID::get_singleton()->set_id(uid, file);
1911	} else {
1912	ResourceUID::get_singleton()->add_id(uid, file);
1913	}
1914
1915	//if file is currently up, maybe the source it was loaded from changed, so import math must be updated for it
1916	//to reload properly
1917	Ref<Resource> r = ResourceCache::get_ref(file);
1918
1919	if (r.is_valid()) {
1920	if (!r ->get_import_path().is_empty()) {
1921	String dst_path = ResourceFormatImporter::get_singleton()->get_internal_resource_path(file);
1922	r ->set_import_path(dst_path);
1923	r ->set_import_last_modified_time(`0`);
1924	}
1925	}
1926
1927	EditorResourcePreview::get_singleton()->check_for_invalidation(file);
1928	}
1929
1930	return err;
1931	}
1932
1933	Error EditorFileSystem::_reimport_file(const String &p_file, const HashMap<StringName, Variant> &p_custom_options, const String &p_custom_importer, Variant *p_generator_parameters) {
1934	EditorFileSystemDirectory fs = nullptr*;
1935	int cpos = -`1`;
1936	bool found = _find_file(p_file, &fs, cpos);
1937	ERR_FAIL_COND_V_MSG(!found, ERR_FILE_NOT_FOUND, "Can't find file '" + p_file + "'.");
1938
1939	//try to obtain existing params
1940
1941	HashMap<StringName, Variant> params = p_custom_options;
1942	String importer_name; //empty by default though
1943
1944	if (!p_custom_importer.is_empty()) {
1945	importer_name = p_custom_importer;
1946	}
1947
1948	ResourceUID::ID uid = ResourceUID::INVALID_ID;
1949	Variant generator_parameters;
1950	if (p_generator_parameters) {
1951	generator_parameters = *p_generator_parameters;
1952	}
1953
1954	if (FileAccess::exists(p_file + ".import")) {
1955	//use existing
1956	Ref<ConfigFile> cf;
1957	cf.instantiate();
1958	Error err = cf ->load(p_file + ".import");
1959	if (err == OK) {
1960	if (cf ->has_section("params")) {
1961	List<String> sk;
1962	cf ->get_section_keys("params", &sk);
1963	for (const String &E : sk) {
1964	if (!params.has(E)) {
1965	params [E] = cf ->get_value("params", E);
1966	}
1967	}
1968	}
1969
1970	if (cf ->has_section("remap")) {
1971	if (p_custom_importer.is_empty()) {
1972	importer_name = cf ->get_value("remap", "importer");
1973	}
1974
1975	if (cf ->has_section_key("remap", "uid")) {
1976	String uidt = cf ->get_value("remap", "uid");
1977	uid = ResourceUID::get_singleton()->text_to_id(uidt);
1978	}
1979
1980	if (!p_generator_parameters) {
1981	if (cf ->has_section_key("remap", "generator_parameters")) {
1982	generator_parameters = cf ->get_value("remap", "generator_parameters");
1983	}
1984	}
1985	}
1986	}
1987	}
1988
1989	if (importer_name == "keep") {
1990	//keep files, do nothing.
1991	fs->files [cpos]->modified_time = FileAccess::get_modified_time(p_file);
1992	fs->files [cpos]->import_modified_time = FileAccess::get_modified_time(p_file + ".import");
1993	fs->files [cpos]->deps.clear();
1994	fs->files [cpos]->type = "";
1995	fs->files [cpos]->import_valid = false;
1996	EditorResourcePreview::get_singleton()->check_for_invalidation(p_file);
1997	return OK;
1998	}
1999	Ref<ResourceImporter> importer;
2000	bool load_default = false;
2001	//find the importer
2002	if (!importer_name.is_empty()) {
2003	importer = ResourceFormatImporter::get_singleton()->get_importer_by_name(importer_name);
2004	}
2005
2006	if (importer.is_null()) {
2007	//not found by name, find by extension
2008	importer = ResourceFormatImporter::get_singleton()->get_importer_by_extension(p_file.get_extension());
2009	load_default = true;
2010	if (importer.is_null()) {
2011	ERR_FAIL_V_MSG(ERR_FILE_CANT_OPEN, "BUG: File queued for import, but can't be imported, importer for type '" + importer_name + "' not found.");
2012	}
2013	}
2014
2015	//mix with default params, in case a parameter is missing
2016
2017	List<ResourceImporter::ImportOption> opts;
2018	importer ->get_import_options(p_file, &opts);
2019	for (const ResourceImporter::ImportOption &E : opts) {
2020	if (!params.has(E.option.name)) { //this one is not present
2021	params [E.option.name] = E.default_value;
2022	}
2023	}
2024
2025	if (load_default && ProjectSettings::get_singleton()->has_setting("importer_defaults/" + importer ->get_importer_name())) {
2026	//use defaults if exist
2027	Dictionary d = GLOBAL_GET("importer_defaults/" + importer ->get_importer_name());
2028	List<Variant> v;
2029	d.get_key_list(&v);
2030
2031	for (const Variant &E : v) {
2032	params [E] = d [E];
2033	}
2034	}
2035
2036	//finally, perform import!!
2037	String base_path = ResourceFormatImporter::get_singleton()->get_import_base_path(p_file);
2038
2039	List<String> import_variants;
2040	List<String> gen_files;
2041	Variant meta;
2042	Error err = importer ->import(p_file, base_path, params, &import_variants, &gen_files, &meta);
2043
2044	ERR_FAIL_COND_V_MSG(err != OK, ERR_FILE_UNRECOGNIZED, "Error importing '" + p_file + "'.");
2045
2046	//as import is complete, save the .import file
2047
2048	Vector<String> dest_paths;
2049	{
2050	Ref<FileAccess> f = FileAccess::open(p_file + ".import", FileAccess::WRITE);
2051	ERR_FAIL_COND_V_MSG(f.is_null(), ERR_FILE_CANT_OPEN, "Cannot open file from path '" + p_file + ".import'.");
2052
2053	//write manually, as order matters ([remap] has to go first for performance).
2054	f ->store_line("[remap]");
2055	f ->store_line("");
2056	f ->store_line("importer=\"" + importer ->get_importer_name() + "\"");
2057	int version = importer ->get_format_version();
2058	if (version > `0`) {
2059	f ->store_line("importer_version=" + itos(version));
2060	}
2061	if (!importer ->get_resource_type().is_empty()) {
2062	f ->store_line("type=\"" + importer ->get_resource_type() + "\"");
2063	}
2064
2065	if (uid == ResourceUID::INVALID_ID) {
2066	uid = ResourceUID::get_singleton()->create_id();
2067	}
2068
2069	f ->store_line("uid=\"" + ResourceUID::get_singleton()->id_to_text(uid) + "\""); //store in readable format
2070
2071	if (err == OK) {
2072	if (importer ->get_save_extension().is_empty()) {
2073	//no path
2074	} else if (import_variants.size()) {
2075	//import with variants
2076	for (const String &E : import_variants) {
2077	String path = base_path.c_escape() + "." + E + "." + importer ->get_save_extension();
2078
2079	f ->store_line("path." + E + "=\"" + path + "\"");
2080	dest_paths.push_back(path);
2081	}
2082	} else {
2083	String path = base_path + "." + importer ->get_save_extension();
2084	f ->store_line("path=\"" + path + "\"");
2085	dest_paths.push_back(path);
2086	}
2087
2088	} else {
2089	f ->store_line("valid=false");
2090	}
2091
2092	if (meta != Variant ()) {
2093	f ->store_line("metadata=" + meta.get_construct_string());
2094	}
2095
2096	if (generator_parameters != Variant ()) {
2097	f ->store_line("generator_parameters=" + generator_parameters.get_construct_string());
2098	}
2099
2100	f ->store_line("");
2101
2102	f ->store_line("[deps]\n");
2103
2104	if (gen_files.size()) {
2105	Array genf;
2106	for (const String &E : gen_files) {
2107	genf.push_back(E);
2108	dest_paths.push_back(E);
2109	}
2110
2111	String value;
2112	VariantWriter::write_to_string(genf, value);
2113	f ->store_line("files=" + value);
2114	f ->store_line("");
2115	}
2116
2117	f ->store_line("source_file=" + Variant (p_file).get_construct_string());
2118
2119	if (dest_paths.size()) {
2120	Array dp;
2121	for (int i = `0`; i < dest_paths.size(); i++) {
2122	dp.push_back(dest_paths [i]);
2123	}
2124	f ->store_line("dest_files=" + Variant (dp).get_construct_string() + "\n");
2125	}
2126
2127	f ->store_line("[params]");
2128	f ->store_line("");
2129
2130	//store options in provided order, to avoid file changing. Order is also important because first match is accepted first.
2131
2132	for (const ResourceImporter::ImportOption &E : opts) {
2133	String base = E.option.name;
2134	String value;
2135	VariantWriter::write_to_string(params [base], value);
2136	f ->store_line(base + "=" + value);
2137	}
2138	}
2139
2140	// Store the md5's of the various files. These are stored separately so that the .import files can be version controlled.
2141	{
2142	Ref<FileAccess> md5s = FileAccess::open(base_path + ".md5", FileAccess::WRITE);
2143	ERR_FAIL_COND_V_MSG(md5s.is_null(), ERR_FILE_CANT_OPEN, "Cannot open MD5 file '" + base_path + ".md5'.");
2144
2145	md5s ->store_line("source_md5=\"" + FileAccess::get_md5(p_file) + "\"");
2146	if (dest_paths.size()) {
2147	md5s ->store_line("dest_md5=\"" + FileAccess::get_multiple_md5(dest_paths) + "\"\n");
2148	}
2149	}
2150
2151	//update modified times, to avoid reimport
2152	fs->files [cpos]->modified_time = FileAccess::get_modified_time(p_file);
2153	fs->files [cpos]->import_modified_time = FileAccess::get_modified_time(p_file + ".import");
2154	fs->files [cpos]->deps = _get_dependencies(p_file);
2155	fs->files [cpos]->type = importer ->get_resource_type();
2156	fs->files [cpos]->uid = uid;
2157	fs->files [cpos]->import_valid = fs->files [cpos]->type == "TextFile" ? true : ResourceLoader::is_import_valid(p_file);
2158
2159	if (ResourceUID::get_singleton()->has_id(uid)) {
2160	ResourceUID::get_singleton()->set_id(uid, p_file);
2161	} else {
2162	ResourceUID::get_singleton()->add_id(uid, p_file);
2163	}
2164
2165	//if file is currently up, maybe the source it was loaded from changed, so import math must be updated for it
2166	//to reload properly
2167	Ref<Resource> r = ResourceCache::get_ref(p_file);
2168	if (r.is_valid()) {
2169	if (!r ->get_import_path().is_empty()) {
2170	String dst_path = ResourceFormatImporter::get_singleton()->get_internal_resource_path(p_file);
2171	r ->set_import_path(dst_path);
2172	r ->set_import_last_modified_time(`0`);
2173	}
2174	}
2175
2176	EditorResourcePreview::get_singleton()->check_for_invalidation(p_file);
2177
2178	return OK;
2179	}
2180
2181	void EditorFileSystem::_find_group_files(EditorFileSystemDirectory *efd, HashMap<String, Vector<String>> &group_files, HashSet<String> &groups_to_reimport) {
2182	int fc = efd->files.size();
2183	const EditorFileSystemDirectory::FileInfo *const *files = efd->files.ptr();
2184	for (int i = `0`; i < fc; i++) {
2185	if (groups_to_reimport.has(files[i]->import_group_file)) {
2186	if (!group_files.has(files[i]->import_group_file)) {
2187	group_files [files[i]->import_group_file] = Vector<String>();
2188	}
2189	group_files [files[i]->import_group_file].push_back(efd->get_file_path(i));
2190	}
2191	}
2192
2193	for (int i = `0`; i < efd->get_subdir_count(); i++) {
2194	_find_group_files(efd->get_subdir(i), group_files, groups_to_reimport);
2195	}
2196	}
2197
2198	void EditorFileSystem::reimport_file_with_custom_parameters(const String &p_file, const String &p_importer, const HashMap<StringName, Variant> &p_custom_params) {
2199	_reimport_file(p_file, p_custom_params, p_importer);
2200
2201	// Emit the resource_reimported signal for the single file we just reimported.
2202	Vector<String> reloads;
2203	reloads.append(p_file);
2204	emit_signal(SNAME("resources_reimported"), reloads);
2205	}
2206
2207	void EditorFileSystem::_reimport_thread(uint32_t p_index, ImportThreadData *p_import_data) {
2208	p_import_data->max_index = MAX(p_import_data->reimport_from + int(p_index), p_import_data->max_index);
2209	_reimport_file(p_import_data->reimport_files[p_import_data->reimport_from + p_index].path);
2210	}
2211
2212	void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
2213	ERR_FAIL_COND_MSG(importing, "Attempted to call reimport_files() recursively, this is not allowed.");
2214	importing = true;
2215
2216	Vector<String> reloads;
2217
2218	EditorProgress pr("reimport", TTR("(Re)Importing Assets"), p_files.size());
2219
2220	Vector<ImportFile> reimport_files;
2221
2222	HashSet<String> groups_to_reimport;
2223
2224	for (int i = `0`; i < p_files.size(); i++) {
2225	String file = p_files [i];
2226
2227	ResourceUID::ID uid = ResourceUID::get_singleton()->text_to_id(file);
2228	if (uid != ResourceUID::INVALID_ID && ResourceUID::get_singleton()->has_id(uid)) {
2229	file = ResourceUID::get_singleton()->get_id_path(uid);
2230	}
2231
2232	String group_file = ResourceFormatImporter::get_singleton()->get_import_group_file(file);
2233
2234	if (group_file_cache.has(file)) {
2235	// Maybe the file itself is a group!
2236	groups_to_reimport.insert(file);
2237	// Groups do not belong to groups.
2238	group_file = String ();
2239	} else if (groups_to_reimport.has(file)) {
2240	// Groups do not belong to groups.
2241	group_file = String ();
2242	} else if (!group_file.is_empty()) {
2243	// It's a group file, add group to import and skip this file.
2244	groups_to_reimport.insert(group_file);
2245	} else {
2246	// It's a regular file.
2247	ImportFile ifile;
2248	ifile.path = file;
2249	ResourceFormatImporter::get_singleton()->get_import_order_threads_and_importer(file, ifile.order, ifile.threaded, ifile.importer);
2250	reloads.push_back(file);
2251	reimport_files.push_back(ifile);
2252	}
2253
2254	// Group may have changed, so also update group reference.
2255	EditorFileSystemDirectory fs = nullptr*;
2256	int cpos = -`1`;
2257	if (_find_file(file, &fs, cpos)) {
2258	fs->files.write [cpos]->import_group_file = group_file;
2259	}
2260	}
2261
2262	reimport_files.sort();
2263
2264	bool use_multiple_threads = GLOBAL_GET("editor/import/use_multiple_threads");
2265
2266	int from = `0`;
2267	for (int i = `0`; i < reimport_files.size(); i++) {
2268	if (groups_to_reimport.has(reimport_files [i].path)) {
2269	continue;
2270	}
2271
2272	if (use_multiple_threads && reimport_files [i].threaded) {
2273	if (i + `1` == reimport_files.size() \|\| reimport_files [i + `1`].importer != reimport_files [from].importer) {
2274	if (from - i == `0`) {
2275	// Single file, do not use threads.
2276	pr.step(reimport_files [i].path.get_file(), i);
2277	_reimport_file(reimport_files [i].path);
2278	} else {
2279	Ref<ResourceImporter> importer = ResourceFormatImporter::get_singleton()->get_importer_by_name(reimport_files [from].importer);
2280	ERR_CONTINUE(!importer.is_valid());
2281
2282	importer ->import_threaded_begin();
2283
2284	ImportThreadData tdata;
2285	tdata.max_index = from;
2286	tdata.reimport_from = from;
2287	tdata.reimport_files = reimport_files.ptr();
2288
2289	WorkerThreadPool::GroupID group_task = WorkerThreadPool::get_singleton()->add_template_group_task(this, &EditorFileSystem::_reimport_thread, &tdata, i - from + `1`, -`1`, false, vformat(TTR("Import resources of type: %s"), reimport_files [from].importer));
2290	int current_index = from - `1`;
2291	do {
2292	if (current_index < tdata.max_index) {
2293	current_index = tdata.max_index;
2294	pr.step(reimport_files [current_index].path.get_file(), current_index);
2295	}
2296	OS::get_singleton()->delay_usec(`1`);
2297	} while (!WorkerThreadPool::get_singleton()->is_group_task_completed(group_task));
2298
2299	WorkerThreadPool::get_singleton()->wait_for_group_task_completion(group_task);
2300
2301	importer ->import_threaded_end();
2302	}
2303
2304	from = i + `1`;
2305	}
2306
2307	} else {
2308	pr.step(reimport_files [i].path.get_file(), i);
2309	_reimport_file(reimport_files [i].path);
2310	}
2311	}
2312
2313	// Reimport groups.
2314
2315	from = reimport_files.size();
2316
2317	if (groups_to_reimport.size()) {
2318	HashMap<String, Vector<String>> group_files;
2319	_find_group_files(filesystem, group_files, groups_to_reimport);
2320	for (const KeyValue<String, Vector<String>> &E : group_files) {
2321	pr.step(E.key.get_file(), from++);
2322	Error err = _reimport_group(E.key, E.value);
2323	reloads.push_back(E.key);
2324	reloads.append_array(E.value);
2325	if (err == OK) {
2326	_reimport_file(E.key);
2327	}
2328	}
2329	}
2330
2331	ResourceUID::get_singleton()->update_cache(); // After reimporting, update the cache.
2332
2333	_save_filesystem_cache();
2334	_update_pending_script_classes();
2335	importing = false;
2336	if (!is_scanning()) {
2337	emit_signal(SNAME("filesystem_changed"));
2338	}
2339
2340	emit_signal(SNAME("resources_reimported"), reloads);
2341	}
2342
2343	Error EditorFileSystem::reimport_append(const String &p_file, const HashMap<StringName, Variant> &p_custom_options, const String &p_custom_importer, Variant p_generator_parameters) {
2344	ERR_FAIL_COND_V_MSG(!importing, ERR_INVALID_PARAMETER, "Can only append files to import during a current reimport process.");
2345	return _reimport_file(p_file, p_custom_options, p_custom_importer, &p_generator_parameters);
2346	}
2347
2348	Error EditorFileSystem::_resource_import(const String &p_path) {
2349	Vector<String> files;
2350	files.push_back(p_path);
2351
2352	singleton->update_file(p_path);
2353	singleton->reimport_files(files);
2354
2355	return OK;
2356	}
2357
2358	bool EditorFileSystem::_should_skip_directory(const String &p_path) {
2359	String project_data_path = ProjectSettings::get_singleton()->get_project_data_path();
2360	if (p_path == project_data_path \|\| p_path.begins_with(project_data_path + "/")) {
2361	return true;
2362	}
2363
2364	if (FileAccess::exists(p_path.path_join("project.godot"))) {
2365	// Skip if another project inside this.
2366	WARN_PRINT_ONCE(vformat("Detected another project.godot at %s. The folder will be ignored.", p_path));
2367	return true;
2368	}
2369
2370	if (FileAccess::exists(p_path.path_join(".gdignore"))) {
2371	// Skip if a `.gdignore` file is inside this.
2372	return true;
2373	}
2374
2375	return false;
2376	}
2377
2378	bool EditorFileSystem::is_group_file(const String &p_path) const {
2379	return group_file_cache.has(p_path);
2380	}
2381
2382	void EditorFileSystem::_move_group_files(EditorFileSystemDirectory efd, const* String &p_group_file, const String &p_new_location) {
2383	int fc = efd->files.size();
2384	EditorFileSystemDirectory::FileInfo *const *files = efd->files.ptrw();
2385	for (int i = `0`; i < fc; i++) {
2386	if (files[i]->import_group_file == p_group_file) {
2387	files[i]->import_group_file = p_new_location;
2388
2389	Ref<ConfigFile> config;
2390	config.instantiate();
2391	String path = efd->get_file_path(i) + ".import";
2392	Error err = config ->load(path);
2393	if (err != OK) {
2394	continue;
2395	}
2396	if (config ->has_section_key("remap", "group_file")) {
2397	config ->set_value("remap", "group_file", p_new_location);
2398	}
2399
2400	List<String> sk;
2401	config ->get_section_keys("params", &sk);
2402	for (const String &param : sk) {
2403	//not very clean, but should work
2404	String value = config ->get_value("params", param);
2405	if (value == p_group_file) {
2406	config ->set_value("params", param, p_new_location);
2407	}
2408	}
2409
2410	config ->save(path);
2411	}
2412	}
2413
2414	for (int i = `0`; i < efd->get_subdir_count(); i++) {
2415	_move_group_files(efd->get_subdir(i), p_group_file, p_new_location);
2416	}
2417	}
2418
2419	void EditorFileSystem::move_group_file(const String &p_path, const String &p_new_path) {
2420	if (get_filesystem()) {
2421	_move_group_files(get_filesystem(), p_path, p_new_path);
2422	if (group_file_cache.has(p_path)) {
2423	group_file_cache.erase(p_path);
2424	group_file_cache.insert(p_new_path);
2425	}
2426	}
2427	}
2428
2429	ResourceUID::ID EditorFileSystem::_resource_saver_get_resource_id_for_path(const String &p_path, bool p_generate) {
2430	if (!p_path.is_resource_file() \|\| p_path.begins_with(ProjectSettings::get_singleton()->get_project_data_path())) {
2431	// Saved externally (configuration file) or internal file, do not assign an ID.
2432	return ResourceUID::INVALID_ID;
2433	}
2434
2435	EditorFileSystemDirectory fs = nullptr*;
2436	int cpos = -`1`;
2437
2438	if (!singleton->_find_file(p_path, &fs, cpos)) {
2439	// Fallback to ResourceLoader if filesystem cache fails (can happen during scanning etc.).
2440	ResourceUID::ID fallback = ResourceLoader::get_resource_uid(p_path);
2441	if (fallback != ResourceUID::INVALID_ID) {
2442	return fallback;
2443	}
2444
2445	if (p_generate) {
2446	return ResourceUID::get_singleton()->create_id(); // Just create a new one, we will be notified of save anyway and fetch the right UID at that time, to keep things simple.
2447	} else {
2448	return ResourceUID::INVALID_ID;
2449	}
2450	} else if (fs->files [cpos]->uid != ResourceUID::INVALID_ID) {
2451	return fs->files [cpos]->uid;
2452	} else if (p_generate) {
2453	return ResourceUID::get_singleton()->create_id(); // Just create a new one, we will be notified of save anyway and fetch the right UID at that time, to keep things simple.
2454	} else {
2455	return ResourceUID::INVALID_ID;
2456	}
2457	}
2458
2459	static void _scan_extensions_dir(EditorFileSystemDirectory *d, HashSet<String> &extensions) {
2460	int fc = d->get_file_count();
2461	for (int i = `0`; i < fc; i++) {
2462	if (d->get_file_type(i) == SNAME("GDExtension")) {
2463	extensions.insert(d->get_file_path(i));
2464	}
2465	}
2466	int dc = d->get_subdir_count();
2467	for (int i = `0`; i < dc; i++) {
2468	_scan_extensions_dir(d->get_subdir(i), extensions);
2469	}
2470	}
2471	bool EditorFileSystem::_scan_extensions() {
2472	EditorFileSystemDirectory *d = get_filesystem();
2473	HashSet<String> extensions;
2474
2475	_scan_extensions_dir(d, extensions);
2476
2477	//verify against loaded extensions
2478
2479	Vector<String> extensions_added;
2480	Vector<String> extensions_removed;
2481
2482	for (const String &E : extensions) {
2483	if (!GDExtensionManager::get_singleton()->is_extension_loaded(E)) {
2484	extensions_added.push_back(E);
2485	}
2486	}
2487
2488	Vector<String> loaded_extensions = GDExtensionManager::get_singleton()->get_loaded_extensions();
2489	for (int i = `0`; i < loaded_extensions.size(); i++) {
2490	if (!extensions.has(loaded_extensions [i])) {
2491	extensions_removed.push_back(loaded_extensions [i]);
2492	}
2493	}
2494
2495	String extension_list_config_file = GDExtension::get_extension_list_config_file();
2496	if (extensions.size()) {
2497	if (extensions_added.size() \|\| extensions_removed.size()) { //extensions were added or removed
2498	Ref<FileAccess> f = FileAccess::open(extension_list_config_file, FileAccess::WRITE);
2499	for (const String &E : extensions) {
2500	f ->store_line(E);
2501	}
2502	}
2503	} else {
2504	if (loaded_extensions.size() \|\| FileAccess::exists(extension_list_config_file)) { //extensions were removed
2505	Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
2506	da ->remove(extension_list_config_file);
2507	}
2508	}
2509
2510	bool needs_restart = false;
2511	for (int i = `0`; i < extensions_added.size(); i++) {
2512	GDExtensionManager::LoadStatus st = GDExtensionManager::get_singleton()->load_extension(extensions_added [i]);
2513	if (st == GDExtensionManager::LOAD_STATUS_FAILED) {
2514	EditorNode::get_singleton()->add_io_error("Error loading extension: " + extensions_added [i]);
2515	} else if (st == GDExtensionManager::LOAD_STATUS_NEEDS_RESTART) {
2516	needs_restart = true;
2517	}
2518	}
2519	for (int i = `0`; i < extensions_removed.size(); i++) {
2520	GDExtensionManager::LoadStatus st = GDExtensionManager::get_singleton()->unload_extension(extensions_removed [i]);
2521	if (st == GDExtensionManager::LOAD_STATUS_FAILED) {
2522	EditorNode::get_singleton()->add_io_error("Error removing extension: " + extensions_added [i]);
2523	} else if (st == GDExtensionManager::LOAD_STATUS_NEEDS_RESTART) {
2524	needs_restart = true;
2525	}
2526	}
2527
2528	return needs_restart;
2529	}
2530
2531	void EditorFileSystem::_bind_methods() {
2532	ClassDB::bind_method(D_METHOD("get_filesystem"), &EditorFileSystem::get_filesystem);
2533	ClassDB::bind_method(D_METHOD("is_scanning"), &EditorFileSystem::is_scanning);
2534	ClassDB::bind_method(D_METHOD("get_scanning_progress"), &EditorFileSystem::get_scanning_progress);
2535	ClassDB::bind_method(D_METHOD("scan"), &EditorFileSystem::scan);
2536	ClassDB::bind_method(D_METHOD("scan_sources"), &EditorFileSystem::scan_changes);
2537	ClassDB::bind_method(D_METHOD("update_file", "path"), &EditorFileSystem::update_file);
2538	ClassDB::bind_method(D_METHOD("get_filesystem_path", "path"), &EditorFileSystem::get_filesystem_path);
2539	ClassDB::bind_method(D_METHOD("get_file_type", "path"), &EditorFileSystem::get_file_type);
2540	ClassDB::bind_method(D_METHOD("reimport_files", "files"), &EditorFileSystem::reimport_files);
2541
2542	ADD_SIGNAL(MethodInfo ("filesystem_changed"));
2543	ADD_SIGNAL(MethodInfo ("script_classes_updated"));
2544	ADD_SIGNAL(MethodInfo ("sources_changed", PropertyInfo (Variant::BOOL, "exist")));
2545	ADD_SIGNAL(MethodInfo ("resources_reimported", PropertyInfo (Variant::PACKED_STRING_ARRAY, "resources")));
2546	ADD_SIGNAL(MethodInfo ("resources_reload", PropertyInfo (Variant::PACKED_STRING_ARRAY, "resources")));
2547	}
2548
2549	void EditorFileSystem::_update_extensions() {
2550	valid_extensions.clear();
2551	import_extensions.clear();
2552	textfile_extensions.clear();
2553
2554	List<String> extensionsl;
2555	ResourceLoader::get_recognized_extensions_for_type("", &extensionsl);
2556	for (const String &E : extensionsl) {
2557	valid_extensions.insert(E);
2558	}
2559
2560	const Vector<String> textfile_ext = ((String)(EDITOR_GET("docks/filesystem/textfile_extensions"))).split(",", false);
2561	for (const String &E : textfile_ext) {
2562	if (valid_extensions.has(E)) {
2563	continue;
2564	}
2565	valid_extensions.insert(E);
2566	textfile_extensions.insert(E);
2567	}
2568
2569	extensionsl.clear();
2570	ResourceFormatImporter::get_singleton()->get_recognized_extensions(&extensionsl);
2571	for (const String &E : extensionsl) {
2572	import_extensions.insert(E);
2573	}
2574	}
2575
2576	void EditorFileSystem::add_import_format_support_query(Ref<EditorFileSystemImportFormatSupportQuery> p_query) {
2577	ERR_FAIL_COND(import_support_queries.find(p_query) != -`1`);
2578	import_support_queries.push_back(p_query);
2579	}
2580	void EditorFileSystem::remove_import_format_support_query(Ref<EditorFileSystemImportFormatSupportQuery> p_query) {
2581	import_support_queries.erase(p_query);
2582	}
2583
2584	EditorFileSystem::EditorFileSystem() {
2585	ResourceLoader::import = _resource_import;
2586	reimport_on_missing_imported_files = GLOBAL_GET("editor/import/reimport_missing_imported_files");
2587	singleton = this;
2588	filesystem = memnew(EditorFileSystemDirectory); //like, empty
2589	filesystem->parent = nullptr;
2590
2591	new_filesystem = nullptr;
2592
2593	// This should probably also work on Unix and use the string it returns for FAT32 or exFAT
2594	Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
2595	using_fat32_or_exfat = (da ->get_filesystem_type() == "FAT32" \|\| da ->get_filesystem_type() == "exFAT");
2596
2597	scan_total = `0`;
2598	MessageQueue::get_singleton()->push_callable(callable_mp(ResourceUID::get_singleton(), &ResourceUID::clear)); // Will be updated on scan.
2599	ResourceSaver::set_get_resource_id_for_path(_resource_saver_get_resource_id_for_path);
2600	}
2601
2602	EditorFileSystem::~EditorFileSystem() {
2603	ResourceSaver::set_get_resource_id_for_path(nullptr);
2604	}
2605

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