game.notify() creates a popup

scenes/game.gd

@@ -49,3 +49,9 @@ func create_file_in_game_env(filename, content):
 	global_shell.cd(tmp_prefix)
 	# Quoted HERE doc doesn't do any substitutions inside.
 	global_shell.run("cat > '%s' <<'HEREHEREHERE'\n%s\nHEREHEREHERE" % [filename, content])
+
+func notify(text):
+	print(text)
+	var notification = preload("res://scenes/notification.tscn").instance()
+	notification.text = text
+	get_tree().root.call_deferred("add_child", notification)

scenes/main.gd

@@ -97,6 +97,7 @@ func load_level(level_id):
 	terminal.find_node("TextEditor").close()
 	
 	update_repos()
+	game.notify("Level loaded!")
 	
 	# Unmute the audio after a while, so that player can hear pop sounds for
 	# nodes they create.

scenes/notification.gd

@@ -0,0 +1,14 @@
+extends PopupPanel
+
+var text setget _set_text
+
+func _ready():
+	popup()
+
+func _gui_input(event):
+	if event is InputEventMouseButton:
+		queue_free()
+
+func _set_text(new_text):
+	text = new_text
+	$Label.text = new_text

scenes/notification.tscn

@@ -0,0 +1,33 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://fonts/default.tres" type="DynamicFont" id=1]
+[ext_resource path="res://styles/theme.tres" type="Theme" id=2]
+[ext_resource path="res://scenes/notification.gd" type="Script" id=3]
+
+[node name="Notification" type="PopupPanel"]
+visible = true
+margin_left = 16.0
+margin_top = 16.0
+margin_right = 369.0
+margin_bottom = 212.0
+theme = ExtResource( 2 )
+script = ExtResource( 3 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Label" type="Label" parent="."]
+anchor_left = 0.045
+anchor_top = 0.082
+anchor_right = 0.955
+anchor_bottom = 0.918
+margin_left = 0.115
+margin_top = -0.0720005
+margin_right = -0.115021
+margin_bottom = 0.071991
+custom_fonts/font = ExtResource( 1 )
+text = "This is a hint! This is a hint! This is a hint! This is a hint! This is a hint! This is a hint! This is a hint! This is a hint! This is a hint!"
+autowrap = true
+__meta__ = {
+"_edit_use_anchors_": false
+}