Add a resized signal to Project, remove the Global.tile_mode_offset_dialog variable

Continue to slowly remove nodes from `Global`.

src/Autoload/Global.gd

@@ -642,7 +642,6 @@ var cel_button_scene: PackedScene = load("res://src/UI/Timeline/CelButton.tscn")
 ## The patterns popup dialog used to display patterns
 ## It has the [param PatternsPopup.gd] script attached.
 @onready var patterns_popup: Popup = control.find_child("PatternsPopup")
-@onready var tile_mode_offset_dialog: AcceptDialog = control.find_child("TileModeOffsetsDialog")
 ## Dialog used to navigate and open images and projects.
 @onready var open_sprites_dialog: FileDialog = control.find_child("OpenSprite")
 ## Dialog used to save (.pxo) projects.

src/Classes/Project.gd

@@ -5,6 +5,7 @@ extends RefCounted
 
 signal serialized(dict: Dictionary)
 signal about_to_deserialize(dict: Dictionary)
+signal resized
 signal timeline_updated
 
 var name := "":
@@ -422,9 +423,9 @@ func _size_changed(value: Vector2i) -> void:
 	else:
 		tiles.y_basis = Vector2i(0, value.y)
 	tiles.tile_size = value
-	Global.tile_mode_offset_dialog.change_mask()
 	size = value
 	Global.canvas.crop_rect.reset()
+	resized.emit()
 
 
 func change_cel(new_frame: int, new_layer := -1) -> void:

src/Main.gd

@@ -20,6 +20,7 @@ var splash_dialog: AcceptDialog:
 @onready var backup_confirmation: ConfirmationDialog = $Dialogs/BackupConfirmation
 @onready var save_sprite_dialog := $Dialogs/SaveSprite as FileDialog
 @onready var save_sprite_html5: ConfirmationDialog = $Dialogs/SaveSpriteHTML5
+@onready var tile_mode_offsets_dialog: ConfirmationDialog = $Dialogs/TileModeOffsetsDialog
 @onready var quit_dialog: ConfirmationDialog = $Dialogs/QuitDialog
 @onready var quit_and_save_dialog: ConfirmationDialog = $Dialogs/QuitAndSaveDialog
 @onready var download_confirmation := $Dialogs/DownloadImageConfirmationDialog as ConfirmationDialog

src/UI/Dialogs/TileModeOffsetsDialog.gd

@@ -9,12 +9,22 @@ extends ConfirmationDialog
 
 
 func _ready() -> void:
+	Global.project_about_to_switch.connect(_project_about_to_switch)
+	Global.project_switched.connect(_project_switched)
 	Global.project_switched.connect(change_mask)
 	Global.cel_switched.connect(change_mask)
 	await get_tree().process_frame
 	change_mask()
 
 
+func _project_about_to_switch() -> void:
+	Global.current_project.resized.disconnect(change_mask)
+
+
+func _project_switched() -> void:
+	Global.current_project.resized.connect(change_mask)
+
+
 func _on_TileModeOffsetsDialog_about_to_show() -> void:
 	tile_mode.draw_center = true
 	tile_mode.tiles = Tiles.new(Global.current_project.size)

src/UI/TopMenuContainer/TopMenuContainer.gd

@@ -592,7 +592,7 @@ func edit_menu_id_pressed(id: int) -> void:
 func view_menu_id_pressed(id: int) -> void:
 	match id:
 		Global.ViewMenu.TILE_MODE_OFFSETS:
-			_popup_dialog(Global.tile_mode_offset_dialog)
+			_popup_dialog(get_tree().current_scene.tile_mode_offsets_dialog)
 		Global.ViewMenu.GREYSCALE_VIEW:
 			_toggle_greyscale_view()
 		Global.ViewMenu.MIRROR_VIEW:
@@ -638,7 +638,7 @@ func _tile_mode_submenu_id_pressed(id: Tiles.MODE) -> void:
 	Global.canvas.tile_mode.queue_redraw()
 	Global.canvas.pixel_grid.queue_redraw()
 	Global.canvas.grid.queue_redraw()
-	Global.tile_mode_offset_dialog.change_mask()
+	get_tree().current_scene.tile_mode_offsets_dialog.change_mask()
 
 
 func _snap_to_submenu_id_pressed(id: int) -> void:
@@ -846,7 +846,7 @@ func select_menu_id_pressed(id: int) -> void:
 func help_menu_id_pressed(id: int) -> void:
 	match id:
 		Global.HelpMenu.VIEW_SPLASH_SCREEN:
-			_popup_dialog(Global.control.splash_dialog)
+			_popup_dialog(get_tree().current_scene.splash_dialog)
 		Global.HelpMenu.ONLINE_DOCS:
 			OS.shell_open(DOCS_URL)
 			SteamManager.set_achievement("ACH_ONLINE_DOCS")