Make debug menu fully functional, flesh out command bus.

godot_ship/script/debug/In.gd

@@ -0,0 +1,9 @@
+extends LineEdit
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+func _on_Debug_clear_line():
+	clear()

godot_ship/script/debug/LineEdit.gd

@@ -0,0 +1,9 @@
+extends LineEdit
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+func _on_Debug_clear_line():
+	clear()

godot_ship/script/debug/Out.gd

@@ -0,0 +1,10 @@
+extends TextEdit
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	MessageBus.connect("print_console", self, "_on_Debug_print_text")
+	pass # Replace with function body.
+
+
+func _on_Debug_print_text(text):
+	insert_text_at_cursor(text)

godot_ship/script/debug/debug_menu.gd

@@ -15,6 +15,10 @@ var menu_velocity = 4
 var menu_hidden = Transform2D(Vector2(1,0), Vector2(0,1), Vector2(0,-170))
 var menu_active = Transform2D(Vector2(1,0), Vector2(0,1), Vector2(0,   0))
 
+# signals
+signal clear_line
+signal print_text(text)
+
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	
@@ -33,31 +37,42 @@ func _process(delta):
 	
 	debug_canvas.set_transform(menu_hidden.interpolate_with(menu_active, menu_position))
 
-func _unhandled_input(event):
+func _input(event):
 	if event.is_action_pressed("ui_debug"):
 		# open debug menu
 		debug_active = !debug_active;
 
 func _on_LineEdit_text_entered(line):
+	emit_signal("clear_line")
+	debug_print_line("")
 	var command = line.split(' ', true, 1)
 	if command.size() > 0:
-		print("match ", command)
 		match command[0]:
-			"open":
+			"start":
 				if command.size() > 1:
 					MessageBus.emit_signal("change_scene", command[1])
+					debug_print_line("start '" + command[1] + "'\n".c_unescape())
 				else:
-					debug_print_line("Usage: open scene")
+					debug_print_line("Usage: start scene")
 			"kill":
-				if command.size() > 1:
+				if command.size() > 1 and command[1] != "Debug":
 					MessageBus.emit_signal("kill_scene", command[1])
+					debug_print_line("kill '" + command[1] + "'\n".c_unescape())
 				else:
 					debug_print_line("Usage: kill scene")
 			"restart":
 				MessageBus.emit_signal("return_to_title")
-	else:
-		pass
+			"print":
+				if command.size() > 1:
+					debug_print_line(command[1].c_unescape())
+			"raw_emit":
+				var mbus_signal = command[1].split(' ', true, 1)
+				match mbus_signal.size():
+					2: MessageBus.emit_signal(mbus_signal[0], mbus_signal[1])
+					1: MessageBus.emit_signal(mbus_signal[0])
+					0: debug_print_line( "Usage: raw_emit signal [value]\n")
+			_:
+				debug_print_line("BY YOUR COMMAND.\n")
 
 func debug_print_line(string):
-	debug_output.set_line(debug_line, string)
-	debug_line += 1
+	emit_signal("print_text", string.c_unescape())