End of chapter 6. A lot of problems took to much time to solve. It was good to know better Godot internal mechanism.

scripts/game/CommandProcessor.gd

@@ -1,6 +1,5 @@
 extends Timer
 
-class_name CommandProcessor
 signal BROADCAST_COMMAND(label)
 
 var resumeWaiting:bool = true
@@ -16,17 +15,15 @@ func processCommand(command:Command):
 		return
 	
 	stop()
-	
 	command.COMMAND_PROCESSED.connect(onCommandProcessed)
-	
-	BROADCAST_COMMAND.emit(command.getCommandText())
-	
+	emit_signal("BROADCAST_COMMAND", command.getCommandText())
 	command.execute()
 
 
 func waitForCommand():
 	resumeWaiting = true
 	start()
+	CommandDispatcher.DISPLAY_COMMAND_PROMPT.emit()
 
 
 func pauseProcessor():

scripts/game/GameManager.gd

@@ -1,7 +1,8 @@
 extends Node
 
-var defaultMapPath: String = "res://scenes/game/maps/world_map.tscn"
-var currentMapPath: String = ""
+var defaultMapPath:String = "res://scenes/game/maps/world_map.tscn"
+
+var currentMapPath
 
 func startNewGame():
 	currentMapPath = defaultMapPath

scripts/game/commands/Command.gd

@@ -4,7 +4,6 @@ signal COMMAND_PROCESSED(label)
 
 var commandLabel
 
-
 func execute():
 	COMMAND_PROCESSED.emit(commandLabel)
 

scripts/game/commands/CommandDispatcher.gd

@@ -3,3 +3,9 @@ extends Node
 signal PROCESS_COMMAND(command)
 signal WAIT_FOR_COMMAND
 signal PAUSE_PROCESSOR
+
+signal PLAYER_MOVE(direction)
+
+signal DISPLAY_MESSAGE(message)
+signal DISPLAY_COMMAND_PROMPT
+signal DISPLAY_CLEAR

scripts/game/commands/MoveCommand.gd

@@ -0,0 +1,22 @@
+extends Command
+
+class_name MoveCommand
+
+var direction
+
+func _init(dir):
+	commandLabel = "Move"
+	direction = dir
+
+
+func execute():
+	CommandDispatcher.PLAYER_MOVE.emit(direction)
+	emit_signal("COMMAND_PROCESSED", getCommandText())
+
+
+func getDirectionString() -> String:
+	return Map.Direction.keys()[direction]
+
+
+func getCommandText():
+	return "%s %s" % [commandLabel, getDirectionString()]

scripts/game/commands/MoveCommand.gd.uid

@@ -0,0 +1 @@
+uid://c136g73lrccts

scripts/game/commands/PassCommand.gd

@@ -2,9 +2,10 @@ extends Command
 
 class_name PassCommand
 
-func _init() -> void:
+func _init():
 	commandLabel = "Pass"
 
+
 func execute():
 	print("Player passed.")
 	COMMAND_PROCESSED.emit(commandLabel)

scripts/game/game_screen.gd

@@ -1,12 +1,13 @@
 extends Node
 
-class_name  GameScreen
+class_name GameScreen
 
-@export var map: Node
+@export var map:Node
 
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
+func _ready():
 	map.add_child(load(GameManager.currentMapPath).instantiate())
+	CommandDispatcher.WAIT_FOR_COMMAND.emit()
 
-func _on_pass_button_pressed() -> void:
+
+func _on_pass_button_pressed():
 	CommandDispatcher.PROCESS_COMMAND.emit(PassCommand.new())

scripts/game/maps/map.gd

@@ -0,0 +1,5 @@
+extends TileMap
+
+class_name Map
+
+enum Direction { North, East, South, West }

scripts/game/maps/map.gd.uid

@@ -0,0 +1 @@
+uid://dg5n82oyi536p

scripts/game/maps/map2d.gd

@@ -1,27 +1,26 @@
-extends TileMap
+extends Map
 
 class_name Map2d
 
 enum TerrainDataTypes { TerrainType }
 
-
 func getTerrainDataForTile(layer, data, x, y):
-	var tile: TileData = get_cell_tile_data(layer, Vector2i(x, y))
-	if tile != null:
+	var tile:TileData = get_cell_tile_data(layer, Vector2i(x, y))
+
+	if (tile != null):
 		return tile.get_custom_data(TerrainDataTypes.keys()[data])
 	else:
 		return null
 
-
 # Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 39, 17))
-	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 0, 0))
-	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 11, 11))
-	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 6, 9))
-	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 22, 22))
-
-
+#func _ready() -> void:
+#	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 39, 17))
+#	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 0, 0))
+#	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 11, 11))
+#	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 6, 9))
+#	print(getTerrainDataForTile(0, TerrainDataTypes.TerrainType, 22, 22))
+#
+#
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
+#func _process(delta: float) -> void:
+#	pass

scripts/game/maps/world_map.gd

@@ -1,6 +1,4 @@
 extends Map2d
 
-
-func _ready() -> void:
-	super._ready()
-	
+#func _ready() -> void:
+#	super._ready()