Added Import Defaults Editor in Project Settings

-Change importer defaults in project settings.
-Ability to change them or reset them.

core/io/resource_importer.cpp

@@ -352,6 +352,12 @@ void ResourceFormatImporter::get_importers_for_extension(const String &p_extensi
 	}
 }
 
+void ResourceFormatImporter::get_importers(List<Ref<ResourceImporter>> *r_importers) {
+	for (int i = 0; i < importers.size(); i++) {
+		r_importers->push_back(importers[i]);
+	}
+}
+
 Ref<ResourceImporter> ResourceFormatImporter::get_importer_by_extension(const String &p_extension) const {
 	Ref<ResourceImporter> importer;
 	float priority = 0;

core/io/resource_importer.h

@@ -82,6 +82,7 @@ public:
 	Ref<ResourceImporter> get_importer_by_name(const String &p_name) const;
 	Ref<ResourceImporter> get_importer_by_extension(const String &p_extension) const;
 	void get_importers_for_extension(const String &p_extension, List<Ref<ResourceImporter>> *r_importers);
+	void get_importers(List<Ref<ResourceImporter>> *r_importers);
 
 	bool are_import_settings_valid(const String &p_path) const;
 	String get_import_settings_hash() const;

editor/import_defaults_editor.cpp

@@ -0,0 +1,194 @@
+/*************************************************************************/
+/*  import_defaults_editor.cpp                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "import_defaults_editor.h"
+
+class ImportDefaultsEditorSettings : public Object {
+	GDCLASS(ImportDefaultsEditorSettings, Object)
+	friend class ImportDefaultsEditor;
+	List<PropertyInfo> properties;
+	Map<StringName, Variant> values;
+	Map<StringName, Variant> default_values;
+
+	Ref<ResourceImporter> importer;
+
+protected:
+	bool _set(const StringName &p_name, const Variant &p_value) {
+		if (values.has(p_name)) {
+			values[p_name] = p_value;
+			return true;
+		} else {
+			return false;
+		}
+	}
+	bool _get(const StringName &p_name, Variant &r_ret) const {
+		if (values.has(p_name)) {
+			r_ret = values[p_name];
+			return true;
+		} else {
+			r_ret = Variant();
+			return false;
+		}
+	}
+	void _get_property_list(List<PropertyInfo> *p_list) const {
+		if (importer.is_null()) {
+			return;
+		}
+		for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
+			if (importer->get_option_visibility(E->get().name, values)) {
+				p_list->push_back(E->get());
+			}
+		}
+	}
+};
+
+void ImportDefaultsEditor::_reset() {
+	if (settings->importer.is_valid()) {
+		settings->values = settings->default_values;
+		settings->notify_property_list_changed();
+	}
+}
+void ImportDefaultsEditor::_save() {
+	if (settings->importer.is_valid()) {
+		Dictionary modified;
+
+		for (Map<StringName, Variant>::Element *E = settings->values.front(); E; E = E->next()) {
+			if (E->get() != settings->default_values[E->key()]) {
+				modified[E->key()] = E->get();
+			}
+		}
+
+		if (modified.size()) {
+			ProjectSettings::get_singleton()->set("importer_defaults/" + settings->importer->get_importer_name(), modified);
+		} else {
+			ProjectSettings::get_singleton()->set("importer_defaults/" + settings->importer->get_importer_name(), Variant());
+		}
+
+		emit_signal("project_settings_changed");
+	}
+}
+
+void ImportDefaultsEditor::_update_importer() {
+	List<Ref<ResourceImporter>> importer_list;
+	ResourceFormatImporter::get_singleton()->get_importers(&importer_list);
+	Ref<ResourceImporter> importer;
+	for (List<Ref<ResourceImporter>>::Element *E = importer_list.front(); E; E = E->next()) {
+		if (E->get()->get_visible_name() == importers->get_item_text(importers->get_selected())) {
+			importer = E->get();
+			break;
+		}
+	}
+
+	settings->properties.clear();
+	settings->values.clear();
+	settings->importer = importer;
+
+	if (importer.is_valid()) {
+		List<ResourceImporter::ImportOption> options;
+		importer->get_import_options(&options);
+		Dictionary d;
+		if (ProjectSettings::get_singleton()->has_setting("importer_defaults/" + importer->get_importer_name())) {
+			d = ProjectSettings::get_singleton()->get("importer_defaults/" + importer->get_importer_name());
+		}
+
+		for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
+			settings->properties.push_back(E->get().option);
+			if (d.has(E->get().option.name)) {
+				settings->values[E->get().option.name] = d[E->get().option.name];
+			} else {
+				settings->values[E->get().option.name] = E->get().default_value;
+			}
+			settings->default_values[E->get().option.name] = E->get().default_value;
+		}
+
+		save_defaults->set_disabled(false);
+		reset_defaults->set_disabled(false);
+
+	} else {
+		save_defaults->set_disabled(true);
+		reset_defaults->set_disabled(true);
+	}
+
+	settings->notify_property_list_changed();
+
+	inspector->edit(settings);
+}
+void ImportDefaultsEditor::_importer_selected(int p_index) {
+	_update_importer();
+}
+void ImportDefaultsEditor::clear() {
+	importers->clear();
+	importers->add_item("<" + TTR("Select Importer") + ">");
+	List<Ref<ResourceImporter>> importer_list;
+	ResourceFormatImporter::get_singleton()->get_importers(&importer_list);
+	Vector<String> names;
+	for (List<Ref<ResourceImporter>>::Element *E = importer_list.front(); E; E = E->next()) {
+		String vn = E->get()->get_visible_name();
+		names.push_back(vn);
+	}
+	names.sort();
+
+	for (int i = 0; i < names.size(); i++) {
+		importers->add_item(names[i]);
+	}
+}
+void ImportDefaultsEditor::_bind_methods() {
+	ADD_SIGNAL(MethodInfo("project_settings_changed"));
+}
+ImportDefaultsEditor::ImportDefaultsEditor() {
+	HBoxContainer *hb = memnew(HBoxContainer);
+	hb->add_child(memnew(Label(TTR("Importer:"))));
+	importers = memnew(OptionButton);
+	hb->add_child(importers);
+	hb->add_spacer();
+	importers->connect("item_selected", callable_mp(this, &ImportDefaultsEditor::_importer_selected));
+	reset_defaults = memnew(Button);
+	reset_defaults->set_text(TTR("Reset to Defaults"));
+	reset_defaults->set_disabled(true);
+	reset_defaults->connect("pressed", callable_mp(this, &ImportDefaultsEditor::_reset));
+	hb->add_child(reset_defaults);
+	add_child(hb);
+	inspector = memnew(EditorInspector);
+	add_child(inspector);
+	inspector->set_v_size_flags(SIZE_EXPAND_FILL);
+	CenterContainer *cc = memnew(CenterContainer);
+	save_defaults = memnew(Button);
+	save_defaults->set_text(TTR("Save"));
+	save_defaults->connect("pressed", callable_mp(this, &ImportDefaultsEditor::_save));
+	cc->add_child(save_defaults);
+	add_child(cc);
+
+	settings = memnew(ImportDefaultsEditorSettings);
+}
+
+ImportDefaultsEditor::~ImportDefaultsEditor() {
+	inspector->edit(nullptr);
+	memdelete(settings);
+}

editor/import_defaults_editor.h

@@ -0,0 +1,74 @@
+/*************************************************************************/
+/*  import_defaults_editor.h                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef IMPORT_DEFAULTS_EDITOR_H
+#define IMPORT_DEFAULTS_EDITOR_H
+
+#include "core/object/undo_redo.h"
+#include "editor/action_map_editor.h"
+#include "editor/editor_data.h"
+#include "editor/editor_plugin_settings.h"
+#include "editor/editor_sectioned_inspector.h"
+#include "editor/localization_editor.h"
+#include "editor/shader_globals_editor.h"
+#include "editor_autoload_settings.h"
+#include "scene/gui/center_container.h"
+#include "scene/gui/option_button.h"
+
+class ImportDefaultsEditorSettings;
+
+class ImportDefaultsEditor : public VBoxContainer {
+	GDCLASS(ImportDefaultsEditor, VBoxContainer)
+
+	OptionButton *importers;
+	Button *save_defaults;
+	Button *reset_defaults;
+
+	EditorInspector *inspector;
+
+	ImportDefaultsEditorSettings *settings;
+
+	void _update_importer();
+	void _importer_selected(int p_index);
+
+	void _reset();
+	void _save();
+
+protected:
+	static void _bind_methods();
+
+public:
+	void clear();
+
+	ImportDefaultsEditor();
+	~ImportDefaultsEditor();
+};
+
+#endif // IMPORT_DEFAULTS_EDITOR_H

editor/project_settings_editor.cpp

@@ -52,6 +52,7 @@ void ProjectSettingsEditor::popup_project_settings() {
 	localization_editor->update_translations();
 	autoload_settings->update_autoload();
 	plugin_settings->update_plugins();
+	import_defaults_editor->clear();
 }
 
 void ProjectSettingsEditor::queue_save() {
@@ -692,4 +693,9 @@ ProjectSettingsEditor::ProjectSettingsEditor(EditorData *p_data) {
 	}
 
 	inspector->set_restrict_to_basic_settings(!use_advanced);
+
+	import_defaults_editor = memnew(ImportDefaultsEditor);
+	import_defaults_editor->set_name(TTR("Import Defaults"));
+	tab_container->add_child(import_defaults_editor);
+	import_defaults_editor->connect("project_settings_changed", callable_mp(this, &ProjectSettingsEditor::queue_save));
 }

editor/project_settings_editor.h

@@ -36,6 +36,7 @@
 #include "editor/editor_data.h"
 #include "editor/editor_plugin_settings.h"
 #include "editor/editor_sectioned_inspector.h"
+#include "editor/import_defaults_editor.h"
 #include "editor/localization_editor.h"
 #include "editor/shader_globals_editor.h"
 #include "editor_autoload_settings.h"
@@ -75,6 +76,7 @@ class ProjectSettingsEditor : public AcceptDialog {
 	PanelContainer *restart_container;
 	Button *restart_close_button;
 
+	ImportDefaultsEditor *import_defaults_editor;
 	EditorData *data;
 	UndoRedo *undo_redo;