Support draw tiles mode in elliptical and color select tools

src/Classes/SelectionMap.gd

@@ -77,6 +77,13 @@ func select_pixel(pixel: Vector2i, select := true) -> void:
 		set_pixelv(pixel, Color(0))
 
 
+func select_rect(rect: Rect2i, select := true) -> void:
+	if select:
+		fill_rect(rect, Color(1, 1, 1, 1))
+	else:
+		fill_rect(rect, Color(0))
+
+
 func select_all() -> void:
 	fill(Color(1, 1, 1, 1))
 

src/Tools/BaseSelectionTool.gd

@@ -215,6 +215,13 @@ func apply_selection(_position: Vector2i) -> void:
 				_intersect = true
 
 
+func select_tilemap_cell(
+	cel: CelTileMap, cell_position: int, selection: SelectionMap, select: bool
+) -> void:
+	var rect := Rect2i(cel.get_cell_coords_in_image(cell_position), cel.tileset.tile_size)
+	selection.select_rect(rect, select)
+
+
 func _on_confirm_button_pressed() -> void:
 	if selection_node.is_moving_content:
 		selection_node.transform_content_confirm()

src/Tools/SelectionTools/ColorSelect.gd

@@ -32,23 +32,46 @@ func apply_selection(pos: Vector2i) -> void:
 	if pos.x > project.size.x - 1 or pos.y > project.size.y - 1:
 		return
 
-	var cel_image := Image.new()
-	cel_image.copy_from(_get_draw_image())
-	var color := cel_image.get_pixelv(pos)
 	var operation := 0
 	if _subtract:
 		operation = 1
 	elif _intersect:
 		operation = 2
 
-	var params := {"color": color, "tolerance": _tolerance, "operation": operation}
-	if _add or _subtract or _intersect:
-		var selection_tex := ImageTexture.create_from_image(project.selection_map)
-		params["selection"] = selection_tex
-	var gen := ShaderImageEffect.new()
-	gen.generate_image(cel_image, shader, params, project.size)
-	cel_image.convert(Image.FORMAT_LA8)
+	if Tools.is_placing_tiles():
+		var prev_selection_map := SelectionMap.new()  # Used for intersect
+		prev_selection_map.copy_from(project.selection_map)
+		if !_add and !_subtract and !_intersect:
+			Global.canvas.selection.clear_selection()
+		if _intersect:
+			project.selection_map.clear()
+		for cel in _get_selected_draw_cels():
+			if cel is not CelTileMap:
+				continue
+			var tilemap_cel := cel as CelTileMap
+			var tile_index := tilemap_cel.get_cell_index_at_coords(pos)
+			for i in tilemap_cel.cells.size():
+				var cell := tilemap_cel.cells[i]
+				if cell.index == tile_index:
+					if _intersect:
+						var p := (cel as CelTileMap).get_cell_coords_in_image(i)
+						select_tilemap_cell(
+							cel, i, project.selection_map, prev_selection_map.is_pixel_selected(p)
+						)
+					else:
+						select_tilemap_cell(cel, i, project.selection_map, !_subtract)
+	else:
+		var cel_image := Image.new()
+		cel_image.copy_from(_get_draw_image())
+		var color := cel_image.get_pixelv(pos)
+		var params := {"color": color, "tolerance": _tolerance, "operation": operation}
+		if _add or _subtract or _intersect:
+			var selection_tex := ImageTexture.create_from_image(project.selection_map)
+			params["selection"] = selection_tex
+		var gen := ShaderImageEffect.new()
+		gen.generate_image(cel_image, shader, params, project.size)
+		cel_image.convert(Image.FORMAT_LA8)
 
-	project.selection_map.copy_from(cel_image)
+		project.selection_map.copy_from(cel_image)
 	Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
 	Global.canvas.selection.commit_undo("Select", undo_data)

src/Tools/SelectionTools/EllipseSelect.gd

@@ -81,18 +81,36 @@ func apply_selection(_position: Vector2i) -> void:
 			Global.canvas.selection.commit_undo("Select", undo_data)
 	if _rect.size == Vector2i.ZERO:
 		return
-	set_ellipse(project.selection_map, _rect.position)
-	# Handle mirroring
-	var mirror_positions := Tools.get_mirrored_positions(_rect.position, project, 1)
-	var mirror_ends := Tools.get_mirrored_positions(_rect.end, project, 1)
-	for i in mirror_positions.size():
-		var mirror_rect := Rect2i()
-		mirror_rect.position = mirror_positions[i]
-		mirror_rect.end = mirror_ends[i]
-		set_ellipse(project.selection_map, mirror_rect.abs().position)
+	if Tools.is_placing_tiles():
+		var operation := 0
+		if _subtract:
+			operation = 1
+		elif _intersect:
+			operation = 2
+		Global.canvas.selection.select_rect(_rect, operation)
+		# Handle mirroring
+		var mirror_positions := Tools.get_mirrored_positions(_rect.position, project, 1)
+		var mirror_ends := Tools.get_mirrored_positions(_rect.end, project, 1)
+		for i in mirror_positions.size():
+			var mirror_rect := Rect2i()
+			mirror_rect.position = mirror_positions[i]
+			mirror_rect.end = mirror_ends[i]
+			Global.canvas.selection.select_rect(mirror_rect.abs(), operation)
 
-	Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
-	Global.canvas.selection.commit_undo("Select", undo_data)
+		Global.canvas.selection.commit_undo("Select", undo_data)
+	else:
+		set_ellipse(project.selection_map, _rect.position)
+		# Handle mirroring
+		var mirror_positions := Tools.get_mirrored_positions(_rect.position, project, 1)
+		var mirror_ends := Tools.get_mirrored_positions(_rect.end, project, 1)
+		for i in mirror_positions.size():
+			var mirror_rect := Rect2i()
+			mirror_rect.position = mirror_positions[i]
+			mirror_rect.end = mirror_ends[i]
+			set_ellipse(project.selection_map, mirror_rect.abs().position)
+
+		Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
+		Global.canvas.selection.commit_undo("Select", undo_data)
 
 
 func set_ellipse(selection_map: SelectionMap, pos: Vector2i) -> void:
@@ -116,8 +134,12 @@ func set_ellipse(selection_map: SelectionMap, pos: Vector2i) -> void:
 # Given an origin point and destination point, returns a rect representing
 # where the shape will be drawn and what is its size
 func _get_result_rect(origin: Vector2i, dest: Vector2i) -> Rect2i:
+	if Tools.is_placing_tiles():
+		var tileset := (Global.current_project.get_current_cel() as CelTileMap).tileset
+		var grid_size := tileset.tile_size
+		origin = Tools.snap_to_rectangular_grid_boundary(origin, grid_size)
+		dest = Tools.snap_to_rectangular_grid_boundary(dest, grid_size)
 	var rect := Rect2i()
-
 	# Center the rect on the mouse
 	if _expand_from_center:
 		var new_size := dest - origin
@@ -140,6 +162,7 @@ func _get_result_rect(origin: Vector2i, dest: Vector2i) -> Rect2i:
 		rect.position = Vector2i(mini(origin.x, dest.x), mini(origin.y, dest.y))
 		rect.size = (origin - dest).abs()
 
-	rect.size += Vector2i.ONE
+	if not Tools.is_placing_tiles():
+		rect.size += Vector2i.ONE
 
 	return rect