Add confirmation before deleting textures or mesh assets and all inst…

…ances

project/addons/terrain_3d/src/asset_dock.gd

@@ -2,6 +2,9 @@
 extends PanelContainer
 #class_name Terrain3DAssetDock
 
+signal confirmation_closed
+signal confirmation_confirmed
+signal confirmation_canceled
 
 const PS_DOCK_SLOT: String = "terrain3d/config/dock_slot"
 const PS_DOCK_TILE_SIZE: String = "terrain3d/config/dock_tile_size"
@@ -25,6 +28,8 @@ var buttons: BoxContainer
 var textures_btn: Button
 var meshes_btn: Button
 var asset_container: ScrollContainer
+var confirm_dialog: ConfirmationDialog
+var _confirmed: bool = false
 
 # Used only for editor, so change to single visible/hiddden
 enum {
@@ -124,6 +129,15 @@ func _ready() -> void:
  floating_btn.text = ""
 
  update_thumbnails()
+ confirm_dialog = ConfirmationDialog.new()
+ add_child(confirm_dialog)
+ confirm_dialog.hide()
+ confirm_dialog.confirmed.connect(func(): _confirmed = true; \
+ emit_signal("confirmation_closed"); \
+ emit_signal("confirmation_confirmed") )
+ confirm_dialog.canceled.connect(func(): _confirmed = false; \
+ emit_signal("confirmation_closed"); \
+ emit_signal("confirmation_canceled") )
 
 
 func get_current_list() -> ListContainer:
@@ -535,10 +549,22 @@ class ListContainer extends Container:
 
 
  func _on_resource_changed(p_resource: Resource, p_id: int) -> void:
+ if not p_resource:
+ var asset_dock: Control = get_parent().get_parent().get_parent()
+ if type == Terrain3DAssets.TYPE_TEXTURE:
+ asset_dock.confirm_dialog.dialog_text = "Are you sure you want to clear this texture?"
+ else:
+ asset_dock.confirm_dialog.dialog_text = "Are you sure you want to clear this mesh and delete all instances?"
+ asset_dock.confirm_dialog.popup_centered()
+ await asset_dock.confirmation_closed
+ if not asset_dock._confirmed:
+ update_asset_list()
+ return
+
  if not plugin.is_terrain_valid():
  plugin.select_terrain()
  await get_tree().create_timer(.01).timeout
- 
+
  if plugin.is_terrain_valid():
  if type == Terrain3DAssets.TYPE_TEXTURE:
  plugin.terrain.get_assets().set_texture(p_id, p_resource)