Cleanup tiles outside the texture

doc/classes/TileSetAtlasSource.xml

@@ -13,6 +13,12 @@
 	<tutorials>
 	</tutorials>
 	<methods>
+		<method name="clear_tiles_outside_texture">
+			<return type="void" />
+			<description>
+				Removes all tiles that don't fit the available texture area. This method iterates over all the source's tiles, so it's advised to use [method has_tiles_outside_texture] beforehand.
+			</description>
+		</method>
 		<method name="create_alternative_tile">
 			<return type="int" />
 			<param index="0" name="atlas_coords" type="Vector2i" />
@@ -160,6 +166,12 @@
 				Returns whether there is enough room in an atlas to create/modify a tile with the given properties. If [param ignored_tile] is provided, act as is the given tile was not present in the atlas. This may be used when you want to modify a tile's properties.
 			</description>
 		</method>
+		<method name="has_tiles_outside_texture" qualifiers="const">
+			<return type="bool" />
+			<description>
+				Checks if the source has any tiles that don't fit the texture area (either partially or completely).
+			</description>
+		</method>
 		<method name="move_tile_in_atlas">
 			<return type="void" />
 			<param index="0" name="atlas_coords" type="Vector2i" />

editor/plugins/tiles/tile_set_atlas_source_editor.cpp

@@ -37,6 +37,7 @@
 #include "editor/editor_scale.h"
 #include "editor/editor_settings.h"
 #include "editor/editor_undo_redo_manager.h"
+#include "editor/gui/editor_toaster.h"
 #include "editor/plugins/tiles/tile_set_editor.h"
 #include "editor/progress_dialog.h"
 
@@ -1677,6 +1678,9 @@ void TileSetAtlasSourceEditor::_menu_option(int p_option) {
 		case ADVANCED_AUTO_REMOVE_TILES: {
 			_auto_remove_tiles();
 		} break;
+		case ADVANCED_CLEANUP_TILES: {
+			_cleanup_outside_tiles();
+		} break;
 	}
 }
 
@@ -2137,44 +2141,6 @@ void TileSetAtlasSourceEditor::_undo_redo_inspector_callback(Object *p_undo_redo
 		}
 		internal_undo_redo->end_force_keep_in_merge_ends();
 	}
-
-	TileSetAtlasSourceProxyObject *atlas_source_proxy = Object::cast_to<TileSetAtlasSourceProxyObject>(p_edited);
-	if (atlas_source_proxy) {
-		Ref<TileSetAtlasSource> atlas_source = atlas_source_proxy->get_edited();
-		ERR_FAIL_COND(!atlas_source.is_valid());
-
-		UndoRedo *internal_undo_redo = undo_redo_man->get_history_for_object(atlas_source_proxy).undo_redo;
-		internal_undo_redo->start_force_keep_in_merge_ends();
-
-		PackedVector2Array arr;
-		if (p_property == "texture") {
-			arr = atlas_source->get_tiles_to_be_removed_on_change(p_new_value, atlas_source->get_margins(), atlas_source->get_separation(), atlas_source->get_texture_region_size());
-		} else if (p_property == "margins") {
-			arr = atlas_source->get_tiles_to_be_removed_on_change(atlas_source->get_texture(), p_new_value, atlas_source->get_separation(), atlas_source->get_texture_region_size());
-		} else if (p_property == "separation") {
-			arr = atlas_source->get_tiles_to_be_removed_on_change(atlas_source->get_texture(), atlas_source->get_margins(), p_new_value, atlas_source->get_texture_region_size());
-		} else if (p_property == "texture_region_size") {
-			arr = atlas_source->get_tiles_to_be_removed_on_change(atlas_source->get_texture(), atlas_source->get_margins(), atlas_source->get_separation(), p_new_value);
-		}
-
-		if (!arr.is_empty()) {
-			// Get all properties assigned to a tile.
-			List<PropertyInfo> properties;
-			atlas_source->get_property_list(&properties);
-
-			for (int i = 0; i < arr.size(); i++) {
-				Vector2i coords = arr[i];
-				String prefix = vformat("%d:%d/", coords.x, coords.y);
-				for (PropertyInfo pi : properties) {
-					if (pi.name.begins_with(prefix)) {
-						ADD_UNDO(atlas_source_proxy, pi.name);
-					}
-				}
-			}
-		}
-		internal_undo_redo->end_force_keep_in_merge_ends();
-	}
-
 #undef ADD_UNDO
 }
 
@@ -2204,6 +2170,14 @@ void TileSetAtlasSourceEditor::edit(Ref<TileSet> p_tile_set, TileSetAtlasSource
 		tile_set->disconnect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_tile_set_changed));
 	}
 
+	if (tile_set_atlas_source) {
+		tile_set_atlas_source->disconnect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_update_source_texture));
+		if (atlas_source_texture.is_valid()) {
+			atlas_source_texture->disconnect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_check_outside_tiles));
+			atlas_source_texture = Ref<Texture2D>();
+		}
+	}
+
 	// Clear the selection.
 	selection.clear();
 
@@ -2219,6 +2193,11 @@ void TileSetAtlasSourceEditor::edit(Ref<TileSet> p_tile_set, TileSetAtlasSource
 		tile_set->connect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_tile_set_changed));
 	}
 
+	if (tile_set_atlas_source) {
+		tile_set_atlas_source->connect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_update_source_texture));
+		_update_source_texture();
+	}
+
 	if (read_only && tools_button_group->get_pressed_button() == tool_paint_button) {
 		tool_paint_button->set_pressed(false);
 		tool_setup_atlas_source_button->set_pressed(true);
@@ -2247,6 +2226,61 @@ void TileSetAtlasSourceEditor::init_source() {
 	confirm_auto_create_tiles->popup_centered();
 }
 
+void TileSetAtlasSourceEditor::_update_source_texture() {
+	if (tile_set_atlas_source && tile_set_atlas_source->get_texture() == atlas_source_texture) {
+		return;
+	}
+
+	if (atlas_source_texture.is_valid()) {
+		atlas_source_texture->disconnect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_check_outside_tiles));
+		atlas_source_texture = Ref<Texture2D>();
+	}
+
+	if (!tile_set_atlas_source || tile_set_atlas_source->get_texture().is_null()) {
+		return;
+	}
+	atlas_source_texture = tile_set_atlas_source->get_texture();
+	atlas_source_texture->connect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_check_outside_tiles), CONNECT_DEFERRED);
+	_check_outside_tiles();
+}
+
+void TileSetAtlasSourceEditor::_check_outside_tiles() {
+	ERR_FAIL_NULL(tile_set_atlas_source);
+	outside_tiles_warning->set_visible(!read_only && tile_set_atlas_source->has_tiles_outside_texture());
+	tool_advanced_menu_button->get_popup()->set_item_disabled(tool_advanced_menu_button->get_popup()->get_item_index(ADVANCED_CLEANUP_TILES), !tile_set_atlas_source->has_tiles_outside_texture());
+}
+
+void TileSetAtlasSourceEditor::_cleanup_outside_tiles() {
+	ERR_FAIL_NULL(tile_set_atlas_source);
+
+	List<PropertyInfo> list;
+	tile_set_atlas_source->get_property_list(&list);
+	HashMap<Vector2i, List<const PropertyInfo *>> per_tile = _group_properties_per_tiles(list, tile_set_atlas_source);
+	Vector<Vector2i> tiles_outside = tile_set_atlas_source->get_tiles_outside_texture();
+
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->create_action(TTR("Remove Tiles Outside the Texture"));
+
+	undo_redo->add_do_method(tile_set_atlas_source, "clear_tiles_outside_texture");
+	for (const Vector2i &coords : tiles_outside) {
+		undo_redo->add_undo_method(tile_set_atlas_source, "create_tile", coords);
+		if (per_tile.has(coords)) {
+			for (List<const PropertyInfo *>::Element *E_property = per_tile[coords].front(); E_property; E_property = E_property->next()) {
+				String property = E_property->get()->name;
+				Variant value = tile_set_atlas_source->get(property);
+				if (value.get_type() != Variant::NIL) {
+					undo_redo->add_undo_method(tile_set_atlas_source, "set", E_property->get()->name, value);
+				}
+			}
+		}
+	}
+
+	undo_redo->add_do_method(this, "_check_outside_tiles");
+	undo_redo->add_undo_method(this, "_check_outside_tiles");
+	undo_redo->commit_action();
+	outside_tiles_warning->hide();
+}
+
 void TileSetAtlasSourceEditor::_auto_create_tiles() {
 	if (!tile_set_atlas_source) {
 		return;
@@ -2363,8 +2397,8 @@ void TileSetAtlasSourceEditor::_notification(int p_what) {
 			tool_paint_button->set_icon(get_theme_icon(SNAME("CanvasItem"), SNAME("EditorIcons")));
 
 			tools_settings_erase_button->set_icon(get_theme_icon(SNAME("Eraser"), SNAME("EditorIcons")));
-
 			tool_advanced_menu_button->set_icon(get_theme_icon(SNAME("GuiTabMenuHl"), SNAME("EditorIcons")));
+			outside_tiles_warning->set_texture(get_theme_icon(SNAME("StatusWarning"), SNAME("EditorIcons")));
 
 			resize_handle = get_theme_icon(SNAME("EditorHandle"), SNAME("EditorIcons"));
 			resize_handle_disabled = get_theme_icon(SNAME("EditorHandleDisabled"), SNAME("EditorIcons"));
@@ -2413,6 +2447,7 @@ void TileSetAtlasSourceEditor::_notification(int p_what) {
 
 void TileSetAtlasSourceEditor::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_set_selection_from_array"), &TileSetAtlasSourceEditor::_set_selection_from_array);
+	ClassDB::bind_method(D_METHOD("_check_outside_tiles"), &TileSetAtlasSourceEditor::_check_outside_tiles);
 
 	ADD_SIGNAL(MethodInfo("source_id_changed", PropertyInfo(Variant::INT, "source_id")));
 }
@@ -2555,9 +2590,16 @@ TileSetAtlasSourceEditor::TileSetAtlasSourceEditor() {
 	tool_advanced_menu_button->set_flat(true);
 	tool_advanced_menu_button->get_popup()->add_item(TTR("Create Tiles in Non-Transparent Texture Regions"), ADVANCED_AUTO_CREATE_TILES);
 	tool_advanced_menu_button->get_popup()->add_item(TTR("Remove Tiles in Fully Transparent Texture Regions"), ADVANCED_AUTO_REMOVE_TILES);
+	tool_advanced_menu_button->get_popup()->add_item(TTR("Remove Tiles Outside the Texture"), ADVANCED_CLEANUP_TILES);
 	tool_advanced_menu_button->get_popup()->connect("id_pressed", callable_mp(this, &TileSetAtlasSourceEditor::_menu_option));
 	tool_settings->add_child(tool_advanced_menu_button);
 
+	outside_tiles_warning = memnew(TextureRect);
+	outside_tiles_warning->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
+	outside_tiles_warning->set_tooltip_text(vformat(TTR("The current atlas source has tiles outside the texture.\nYou can clear it using \"%s\" option in the 3 dots menu."), TTR("Remove Tiles Outside the Texture")));
+	outside_tiles_warning->hide();
+	tool_settings->add_child(outside_tiles_warning);
+
 	_update_toolbar();
 
 	// Right side of toolbar.

editor/plugins/tiles/tile_set_atlas_source_editor.h

@@ -127,6 +127,7 @@ class TileSetAtlasSourceEditor : public HSplitContainer {
 	Ref<TileSet> tile_set;
 	TileSetAtlasSource *tile_set_atlas_source = nullptr;
 	int tile_set_atlas_source_id = TileSet::INVALID_SOURCE;
+	Ref<Texture2D> atlas_source_texture;
 
 	bool tile_set_changed_needs_update = false;
 
@@ -205,6 +206,7 @@ class TileSetAtlasSourceEditor : public HSplitContainer {
 
 		ADVANCED_AUTO_CREATE_TILES,
 		ADVANCED_AUTO_REMOVE_TILES,
+		ADVANCED_CLEANUP_TILES,
 	};
 	Vector2i menu_option_coords;
 	int menu_option_alternative = TileSetSource::INVALID_TILE_ALTERNATIVE;
@@ -222,6 +224,7 @@ class TileSetAtlasSourceEditor : public HSplitContainer {
 	HBoxContainer *tool_settings_tile_data_toolbar_container = nullptr;
 	Button *tools_settings_erase_button = nullptr;
 	MenuButton *tool_advanced_menu_button = nullptr;
+	TextureRect *outside_tiles_warning = nullptr;
 
 	// Selection.
 	RBSet<TileSelection> selection;
@@ -273,6 +276,10 @@ class TileSetAtlasSourceEditor : public HSplitContainer {
 	AcceptDialog *confirm_auto_create_tiles = nullptr;
 	Vector2i _get_drag_offset_tile_coords(const Vector2i &p_offset) const;
 
+	void _update_source_texture();
+	void _check_outside_tiles();
+	void _cleanup_outside_tiles();
+
 	void _tile_set_changed();
 	void _tile_proxy_object_changed(String p_what);
 	void _atlas_source_proxy_object_changed(String p_what);

scene/resources/tile_set.cpp

@@ -3823,7 +3823,6 @@ void TileSetAtlasSource::set_texture(Ref<Texture2D> p_texture) {
 		texture->connect_changed(callable_mp(this, &TileSetAtlasSource::_queue_update_padded_texture));
 	}
 
-	_clear_tiles_outside_texture();
 	_queue_update_padded_texture();
 	emit_changed();
 }
@@ -3840,7 +3839,6 @@ void TileSetAtlasSource::set_margins(Vector2i p_margins) {
 		margins = p_margins;
 	}
 
-	_clear_tiles_outside_texture();
 	_queue_update_padded_texture();
 	emit_changed();
 }
@@ -3857,7 +3855,6 @@ void TileSetAtlasSource::set_separation(Vector2i p_separation) {
 		separation = p_separation;
 	}
 
-	_clear_tiles_outside_texture();
 	_queue_update_padded_texture();
 	emit_changed();
 }
@@ -3874,7 +3871,6 @@ void TileSetAtlasSource::set_texture_region_size(Vector2i p_tile_size) {
 		texture_region_size = p_tile_size;
 	}
 
-	_clear_tiles_outside_texture();
 	_queue_update_padded_texture();
 	emit_changed();
 }
@@ -4360,6 +4356,9 @@ bool TileSetAtlasSource::has_room_for_tile(Vector2i p_atlas_coords, Vector2i p_s
 	if (p_size.x <= 0 || p_size.y <= 0) {
 		return false;
 	}
+	if (p_frames_count <= 0) {
+		return false;
+	}
 	Size2i atlas_grid_size = get_atlas_grid_size();
 	for (int frame = 0; frame < p_frames_count; frame++) {
 		Vector2i frame_coords = p_atlas_coords + (p_size + p_animation_separation) * ((p_animation_columns > 0) ? Vector2i(frame % p_animation_columns, frame / p_animation_columns) : Vector2i(frame, 0));
@@ -4378,6 +4377,40 @@ bool TileSetAtlasSource::has_room_for_tile(Vector2i p_atlas_coords, Vector2i p_s
 	return true;
 }
 
+bool TileSetAtlasSource::has_tiles_outside_texture() const {
+	for (const KeyValue<Vector2i, TileSetAtlasSource::TileAlternativesData> &E : tiles) {
+		if (!has_room_for_tile(E.key, E.value.size_in_atlas, E.value.animation_columns, E.value.animation_separation, E.value.animation_frames_durations.size(), E.key)) {
+			return true;
+		}
+	}
+	return false;
+}
+
+Vector<Vector2i> TileSetAtlasSource::get_tiles_outside_texture() const {
+	Vector<Vector2i> to_return;
+
+	for (const KeyValue<Vector2i, TileSetAtlasSource::TileAlternativesData> &E : tiles) {
+		if (!has_room_for_tile(E.key, E.value.size_in_atlas, E.value.animation_columns, E.value.animation_separation, E.value.animation_frames_durations.size(), E.key)) {
+			to_return.push_back(E.key);
+		}
+	}
+	return to_return;
+}
+
+void TileSetAtlasSource::clear_tiles_outside_texture() {
+	LocalVector<Vector2i> to_remove;
+
+	for (const KeyValue<Vector2i, TileSetAtlasSource::TileAlternativesData> &E : tiles) {
+		if (!has_room_for_tile(E.key, E.value.size_in_atlas, E.value.animation_columns, E.value.animation_separation, E.value.animation_frames_durations.size(), E.key)) {
+			to_remove.push_back(E.key);
+		}
+	}
+
+	for (const Vector2i &v : to_remove) {
+		remove_tile(v);
+	}
+}
+
 PackedVector2Array TileSetAtlasSource::get_tiles_to_be_removed_on_change(Ref<Texture2D> p_texture, Vector2i p_margins, Vector2i p_separation, Vector2i p_texture_region_size) {
 	ERR_FAIL_COND_V(p_margins.x < 0 || p_margins.y < 0, PackedVector2Array());
 	ERR_FAIL_COND_V(p_separation.x < 0 || p_separation.y < 0, PackedVector2Array());
@@ -4598,6 +4631,9 @@ void TileSetAtlasSource::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_tiles_to_be_removed_on_change", "texture", "margins", "separation", "texture_region_size"), &TileSetAtlasSource::get_tiles_to_be_removed_on_change);
 	ClassDB::bind_method(D_METHOD("get_tile_at_coords", "atlas_coords"), &TileSetAtlasSource::get_tile_at_coords);
 
+	ClassDB::bind_method(D_METHOD("has_tiles_outside_texture"), &TileSetAtlasSource::has_tiles_outside_texture);
+	ClassDB::bind_method(D_METHOD("clear_tiles_outside_texture"), &TileSetAtlasSource::clear_tiles_outside_texture);
+
 	ClassDB::bind_method(D_METHOD("set_tile_animation_columns", "atlas_coords", "frame_columns"), &TileSetAtlasSource::set_tile_animation_columns);
 	ClassDB::bind_method(D_METHOD("get_tile_animation_columns", "atlas_coords"), &TileSetAtlasSource::get_tile_animation_columns);
 	ClassDB::bind_method(D_METHOD("set_tile_animation_separation", "atlas_coords", "separation"), &TileSetAtlasSource::set_tile_animation_separation);
@@ -4704,20 +4740,6 @@ void TileSetAtlasSource::_create_coords_mapping_cache(Vector2i p_atlas_coords) {
 	}
 }
 
-void TileSetAtlasSource::_clear_tiles_outside_texture() {
-	LocalVector<Vector2i> to_remove;
-
-	for (const KeyValue<Vector2i, TileSetAtlasSource::TileAlternativesData> &E : tiles) {
-		if (!has_room_for_tile(E.key, E.value.size_in_atlas, E.value.animation_columns, E.value.animation_separation, E.value.animation_frames_durations.size(), E.key)) {
-			to_remove.push_back(E.key);
-		}
-	}
-
-	for (const Vector2i &v : to_remove) {
-		remove_tile(v);
-	}
-}
-
 void TileSetAtlasSource::_queue_update_padded_texture() {
 	padded_texture_needs_update = true;
 	call_deferred(SNAME("_update_padded_texture"));

scene/resources/tile_set.h

@@ -634,8 +634,6 @@ class TileSetAtlasSource : public TileSetSource {
 	void _clear_coords_mapping_cache(Vector2i p_atlas_coords);
 	void _create_coords_mapping_cache(Vector2i p_atlas_coords);
 
-	void _clear_tiles_outside_texture();
-
 	bool use_texture_padding = true;
 	Ref<ImageTexture> padded_texture;
 	bool padded_texture_needs_update = false;
@@ -702,6 +700,10 @@ class TileSetAtlasSource : public TileSetSource {
 	PackedVector2Array get_tiles_to_be_removed_on_change(Ref<Texture2D> p_texture, Vector2i p_margins, Vector2i p_separation, Vector2i p_texture_region_size);
 	Vector2i get_tile_at_coords(Vector2i p_atlas_coords) const;
 
+	bool has_tiles_outside_texture() const;
+	Vector<Vector2i> get_tiles_outside_texture() const;
+	void clear_tiles_outside_texture();
+
 	// Animation.
 	void set_tile_animation_columns(const Vector2i p_atlas_coords, int p_frame_columns);
 	int get_tile_animation_columns(const Vector2i p_atlas_coords) const;