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UndoRedo - Unstable with bugs

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Started working on UndoRedo. Currently works with basic drawing/erasing/bucket filling as well as the rectangle selection tool, custom brushes and copying/pasting.

May not work with multiple layers and frames and it does not work with the rest of the tools and buttons. Also does not work when pressing both mouse buttons at the same time, or when the cursor is outside the canvas when drawing.
This commit is contained in:
OverloadedOrama 2019-10-29 23:22:38 +02:00
parent 6350995385
commit 7b8c6bbf00
9 changed files with 227 additions and 186 deletions
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32
Scripts/Global.gd
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@ -1,5 +1,6 @@
extends Node
var undo_redo : UndoRedo
var current_frame := 0 setget set_current_frame_label
# warning-ignore:unused_class_variable
var can_draw := false
@ -102,6 +103,7 @@ var custom_right_brush_texture := ImageTexture.new()
func _ready() -> void:
undo_redo = UndoRedo.new()
var root = get_tree().get_root()
canvas = find_node_by_name(root, "Canvas")
canvases.append(canvas)
@ -111,10 +113,10 @@ func _ready() -> void:
split_screen_button = find_node_by_name(root, "SplitScreenButton")
camera = find_node_by_name(canvas_parent, "Camera2D")
camera2 = find_node_by_name(canvas_parent.get_parent().get_parent(), "Camera2D2")
selection_rectangle = find_node_by_name(root, "SelectionRectangle")
image_clipboard = Image.new()
file_menu = find_node_by_name(root, "FileMenu")
edit_menu = find_node_by_name(root, "EditMenu")
view_menu = find_node_by_name(root, "ViewMenu")
@ -127,10 +129,10 @@ func _ready() -> void:
right_brush_size_edit = find_node_by_name(root, "RightBrushSizeEdit")
left_interpolate_slider = find_node_by_name(root, "LeftInterpolateFactor")
right_interpolate_slider = find_node_by_name(root, "RightInterpolateFactor")
left_brush_indicator = find_node_by_name(root, "LeftBrushIndicator")
right_brush_indicator = find_node_by_name(root, "RightBrushIndicator")
loop_animation_button = find_node_by_name(root, "LoopAnim")
play_forward = find_node_by_name(root, "PlayForward")
play_backwards = find_node_by_name(root, "PlayBackwards")
@ -147,18 +149,30 @@ func _ready() -> void:
zoom_level_label = find_node_by_name(root, "ZoomLevel")
current_frame_label = find_node_by_name(root, "CurrentFrame")
#Thanks to https://godotengine.org/qa/17524/how-to-find-an-instanced-scene-by-its-name
#Thanks to https://godotengine.org/qa/17524/how-to-find-an-instanced-scene-by-its-name
func find_node_by_name(root, node_name) -> Node:
if root.get_name() == node_name:
if root.get_name() == node_name:
return root
for child in root.get_children():
if child.get_name() == node_name:
return child
var found = find_node_by_name(child, node_name)
if found:
if found:
return found
return null
func undo(canvas : Canvas, layer_index : int) -> void:
var action_name : String = undo_redo.get_current_action_name()
if action_name == "Draw" || action_name == "Rectangle Select":
canvas.update_texture(layer_index)
print("Undo: ", action_name)
func redo(canvas : Canvas, layer_index : int) -> void:
var action_name : String = undo_redo.get_current_action_name()
if action_name == "Draw" || action_name == "Rectangle Select":
canvas.update_texture(layer_index)
print("Redo: ", action_name)
func change_frame() -> void:
for c in canvases:
c.visible = false
@ -174,7 +188,7 @@ func handle_layer_order_buttons() -> void:
else:
move_left_frame_button.disabled = false
move_left_frame_button.mouse_default_cursor_shape = Control.CURSOR_POINTING_HAND
if current_frame == canvases.size() - 1:
move_right_frame_button.disabled = true
move_right_frame_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
@ -212,7 +226,7 @@ func update_left_custom_brush() -> void:
custom_brush.resize(custom_brush_size.x * left_brush_size, custom_brush_size.y * left_brush_size, Image.INTERPOLATE_NEAREST)
custom_left_brush_image = blend_image_with_color(custom_brush, left_color_picker.color, left_interpolate_slider.value)
custom_left_brush_texture.create_from_image(custom_left_brush_image, 0)
func update_right_custom_brush() -> void:
if custom_right_brush_index > -1:
var custom_brush := Image.new()