End of lesson 18 The command processor, Chapter 5

scripts/game/CommandProcessor.gd

@@ -0,0 +1,46 @@
+extends Timer
+
+class_name CommandProcessor
+signal BROADCAST_COMMAND(label)
+
+var resumeWaiting:bool = true
+
+func _ready():
+	CommandDispatcher.PROCESS_COMMAND.connect(processCommand)
+	CommandDispatcher.WAIT_FOR_COMMAND.connect(waitForCommand)
+	CommandDispatcher.PAUSE_PROCESSOR.connect(pauseProcessor)
+
+
+func processCommand(command:Command):
+	if (is_stopped()):
+		return
+	
+	stop()
+	
+	command.COMMAND_PROCESSED.connect(onCommandProcessed)
+	
+	BROADCAST_COMMAND.emit(command.getCommandText())
+	
+	command.execute()
+
+
+func waitForCommand():
+	resumeWaiting = true
+	start()
+
+
+func pauseProcessor():
+	stop()
+	resumeWaiting = false
+
+
+func onCommandProcessed(result):
+	if (result != null):
+		print(result)
+	
+	if (resumeWaiting):
+		waitForCommand()
+
+
+func _on_timeout():
+	processCommand(PassCommand.new())