Fix tilemap manual editing mode not working with shape & text tools, and fixed issues with the pencil tool

Not the most performance-friendly solution, but it works. If users encounter performance issues in the future, we should rewrite this, as it does the same for loop two times.

src/Classes/Cels/CelTileMap.gd

@@ -656,6 +656,21 @@ func update_texture(undo := false) -> void:
 				var tile_size := current_tile.image.get_size()
 				image.blit_rect(current_tile.image, Rect2i(Vector2i.ZERO, tile_size), coords)
 			continue
+		if not editing_images.has(index):
+			if not _tiles_equal(i, image_portion, current_tile.image):
+				var transformed_image := transform_tile(
+					image_portion, cell_data.flip_h, cell_data.flip_v, cell_data.transpose, true
+				)
+				editing_images[index] = [i, transformed_image]
+
+	for i in cells.size():
+		var cell_data := cells[i]
+		var index := cell_data.index
+		if index >= tileset.tiles.size():
+			index = 0
+		var coords := get_cell_coords_in_image(i)
+		var rect := Rect2i(coords, tileset.tile_size)
+		var image_portion := image.get_region(rect)
 		if editing_images.has(index):
 			var editing_portion := editing_images[index][0] as int
 			if i == editing_portion:
@@ -670,12 +685,6 @@ func update_texture(undo := false) -> void:
 			if not image_portion.get_data() == transformed_editing_image.get_data():
 				var tile_size := image_portion.get_size()
 				image.blit_rect(transformed_editing_image, Rect2i(Vector2i.ZERO, tile_size), coords)
-		else:
-			if not _tiles_equal(i, image_portion, current_tile.image):
-				var transformed_image := transform_tile(
-					image_portion, cell_data.flip_h, cell_data.flip_v, cell_data.transpose, true
-				)
-				editing_images[index] = [i, transformed_image]
 	super.update_texture(undo)
 
 

src/Classes/Layers/LayerTileMap.gd

@@ -16,7 +16,7 @@ var tileset: TileSetCustom
 func _init(_project: Project, _tileset: TileSetCustom, _name := "") -> void:
 	super._init(_project, _name)
 	tileset = _tileset
-	if not project.tilesets.has(tileset):
+	if not project.tilesets.has(tileset) and is_instance_valid(tileset):
 		project.add_tileset(tileset)
 
 

src/Classes/Project.gd

@@ -352,7 +352,7 @@ func deserialize(dict: Dictionary, zip_reader: ZIPReader = null, file: FileAcces
 	if dict.has("tilesets"):
 		for saved_tileset in dict["tilesets"]:
 			var tile_size = str_to_var("Vector2i" + saved_tileset.get("tile_size"))
-			var tileset := TileSetCustom.new(tile_size)
+			var tileset := TileSetCustom.new(tile_size, "", false)
 			tileset.deserialize(saved_tileset)
 			tilesets.append(tileset)
 	if dict.has("frames") and dict.has("layers"):

src/Classes/TileSetCustom.gd

@@ -39,11 +39,12 @@ class Tile:
 		return times_used <= 0
 
 
-func _init(_tile_size: Vector2i, _name := "") -> void:
+func _init(_tile_size: Vector2i, _name := "", add_empty_tile := true) -> void:
 	tile_size = _tile_size
 	name = _name
-	var empty_image := Image.create_empty(tile_size.x, tile_size.y, false, Image.FORMAT_RGBA8)
-	tiles.append(Tile.new(empty_image))
+	if add_empty_tile:
+		var empty_image := Image.create_empty(tile_size.x, tile_size.y, false, Image.FORMAT_RGBA8)
+		tiles.append(Tile.new(empty_image))
 
 
 ## Adds a new [param image] as a tile to the tileset.

src/Tools/BaseDraw.gd

@@ -276,6 +276,7 @@ func prepare_undo(action: String) -> void:
 
 func commit_undo() -> void:
 	var project := Global.current_project
+	Global.canvas.update_selected_cels_textures(project)
 	project.update_tilemaps(_undo_data)
 	var redo_data := _get_undo_data()
 	var frame := -1

src/Tools/UtilityTools/Text.gd

@@ -163,6 +163,7 @@ func text_to_pixels() -> void:
 
 func commit_undo(action: String, undo_data: Dictionary) -> void:
 	var project := Global.current_project
+	Global.canvas.update_selected_cels_textures(project)
 	project.update_tilemaps(undo_data)
 	var redo_data := _get_undo_data()
 	var frame := -1