Streamline creating tile atlas sources

editor/plugins/tiles/tile_set_atlas_source_editor.cpp

@@ -2250,6 +2250,7 @@ void TileSetAtlasSourceEditor::edit(Ref<TileSet> p_tile_set, TileSetAtlasSource
 }
 
 void TileSetAtlasSourceEditor::init_source() {
+	tool_setup_atlas_source_button->set_pressed(true);
 	confirm_auto_create_tiles->popup_centered();
 }
 

editor/plugins/tiles/tile_set_editor.cpp

@@ -38,6 +38,7 @@
 #include "editor/editor_scale.h"
 #include "editor/editor_settings.h"
 #include "editor/editor_undo_redo_manager.h"
+#include "editor/gui/editor_file_dialog.h"
 
 #include "scene/gui/box_container.h"
 #include "scene/gui/control.h"
@@ -223,6 +224,30 @@ void TileSetEditor::_update_sources_list(int force_selected_id) {
 	TilesEditorPlugin::get_singleton()->set_sources_lists_current(sources_list->get_current());
 }
 
+void TileSetEditor::_texture_file_selected(const String &p_path) {
+	Ref<Texture2D> texture = ResourceLoader::load(p_path);
+	if (texture.is_null()) {
+		EditorNode::get_singleton()->show_warning(TTR("Invalid texture selected."));
+		return;
+	}
+
+	int source_id = tile_set->get_next_source_id();
+
+	Ref<TileSetAtlasSource> atlas_source = memnew(TileSetAtlasSource);
+	atlas_source->set_texture(texture);
+
+	// Add a new source.
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->create_action(TTR("Add atlas source"));
+	undo_redo->add_do_method(*tile_set, "add_source", atlas_source, source_id);
+	undo_redo->add_do_method(*atlas_source, "set_texture_region_size", tile_set->get_tile_size());
+	undo_redo->add_undo_method(*tile_set, "remove_source", source_id);
+	undo_redo->commit_action();
+
+	_update_sources_list(source_id);
+	tile_set_atlas_source_editor->init_source();
+}
+
 void TileSetEditor::_source_selected(int p_source_index) {
 	ERR_FAIL_COND(!tile_set.is_valid());
 
@@ -278,19 +303,19 @@ void TileSetEditor::_source_add_id_pressed(int p_id_pressed) {
 
 	switch (p_id_pressed) {
 		case 0: {
-			int source_id = tile_set->get_next_source_id();
+			if (!texture_file_dialog) {
+				texture_file_dialog = memnew(EditorFileDialog);
+				add_child(texture_file_dialog);
+				texture_file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
+				texture_file_dialog->connect("file_selected", callable_mp(this, &TileSetEditor::_texture_file_selected));
 
-			Ref<TileSetAtlasSource> atlas_source = memnew(TileSetAtlasSource);
+				List<String> extensions;
-
+				ResourceLoader::get_recognized_extensions_for_type("Texture2D", &extensions);
-			// Add a new source.
+				for (const String &E : extensions) {
-			EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+					texture_file_dialog->add_filter("*." + E, E.to_upper());
-			undo_redo->create_action(TTR("Add atlas source"));
+				}
-			undo_redo->add_do_method(*tile_set, "add_source", atlas_source, source_id);
+			}
-			undo_redo->add_do_method(*atlas_source, "set_texture_region_size", tile_set->get_tile_size());
+			texture_file_dialog->popup_file_dialog();
-			undo_redo->add_undo_method(*tile_set, "remove_source", source_id);
-			undo_redo->commit_action();
-
-			_update_sources_list(source_id);
 		} break;
 		case 1: {
 			int source_id = tile_set->get_next_source_id();

editor/plugins/tiles/tile_set_editor.h

@@ -39,6 +39,8 @@
 #include "tile_set_atlas_source_editor.h"
 #include "tile_set_scenes_collection_source_editor.h"
 
+class EditorFileDialog;
+
 class TileSetEditor : public VBoxContainer {
 	GDCLASS(TileSetEditor, VBoxContainer);
 
@@ -72,12 +74,14 @@ private:
 	MenuButton *sources_advanced_menu_button = nullptr;
 	ItemList *sources_list = nullptr;
 	Ref<Texture2D> missing_texture_texture;
+	void _texture_file_selected(const String &p_path);
 	void _source_selected(int p_source_index);
 	void _source_delete_pressed();
 	void _source_add_id_pressed(int p_id_pressed);
 	void _sources_advanced_menu_id_pressed(int p_id_pressed);
 	void _set_source_sort(int p_sort);
 
+	EditorFileDialog *texture_file_dialog = nullptr;
 	AtlasMergingDialog *atlas_merging_dialog = nullptr;
 	TileProxiesManagerDialog *tile_proxies_manager_dialog = nullptr;