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())

scripts/game/CommandProcessor.gd.uid

@@ -0,0 +1 @@
+uid://dcqqr8b42tn0x

scripts/game/GameManager.gd

@@ -0,0 +1,7 @@
+extends Node
+
+var defaultMapPath: String = "res://scenes/game/maps/world_map.tscn"
+var currentMapPath: String = ""
+
+func startNewGame():
+	currentMapPath = defaultMapPath

scripts/game/GameManager.gd.uid

@@ -0,0 +1 @@
+uid://bos3psfp6dgdn

scripts/game/commands/Command.gd

@@ -0,0 +1,13 @@
+class_name Command
+
+signal COMMAND_PROCESSED(label)
+
+var commandLabel
+
+
+func execute():
+	COMMAND_PROCESSED.emit(commandLabel)
+
+
+func getCommandText():
+	return commandLabel

scripts/game/commands/Command.gd.uid

@@ -0,0 +1 @@
+uid://b4ee6hsxy7qwc

scripts/game/commands/CommandDispatcher.gd

@@ -0,0 +1,5 @@
+extends Node
+
+signal PROCESS_COMMAND(command)
+signal WAIT_FOR_COMMAND
+signal PAUSE_PROCESSOR

scripts/game/commands/CommandDispatcher.gd.uid

@@ -0,0 +1 @@
+uid://buuwlxv16l2lu

scripts/game/commands/PassCommand.gd

@@ -0,0 +1,10 @@
+extends Command
+
+class_name PassCommand
+
+func _init() -> void:
+	commandLabel = "Pass"
+
+func execute():
+	print("Player passed.")
+	COMMAND_PROCESSED.emit(commandLabel)

scripts/game/commands/PassCommand.gd.uid

@@ -0,0 +1 @@
+uid://1a8ulyob7ld5

scripts/game/game_screen.gd

@@ -8,7 +8,5 @@ class_name  GameScreen
 func _ready() -> void:
 	map.add_child(load(GameManager.currentMapPath).instantiate())
 
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
+func _on_pass_button_pressed() -> void:
+	CommandDispatcher.PROCESS_COMMAND.emit(PassCommand.new())

scripts/game/game_screen.gd.uid

@@ -1 +1 @@
-uid://dq5qq5xj76nwe
+uid://c0uvlwmkm3r8o