add basic player state

classes/state/player_state.gd

@@ -0,0 +1,32 @@
+class_name PlayerState extends State
+
+const IDLE = "Idle"
+const WALKING = "Walking"
+
+var player: Player
+
+
+func _ready() -> void:
+	await owner.ready
+	player = owner as Player
+	assert(player != null, "The PlayerState state type must be used only in the player scene. It needs the owner to be a Player node.")
+
+
+func _enter(_previous_state_path: String, _data: Dictionary = {}) -> void:
+	pass
+
+
+func _exit() -> void:
+	pass
+
+
+func _handle_input(_event: InputEvent) -> void:
+	pass
+
+
+func _state_update(_delta: float) -> void:
+	pass
+
+
+func _state_physics_update(_delta: float) -> void:
+	pass

classes/state/player_state.gd.uid

@@ -0,0 +1 @@
+uid://bebe1y51hwns8

classes/state/state.gd

@@ -26,7 +26,7 @@ var is_active: bool = false:
 
 ## Called by the state machine upon changing the active state. The `data` parameter
 ## is a dictionary with arbitrary data the state can use to initialize itself.
-@abstract func _enter(previous_state_path: String, data: Dictionary = {}) -> void
+@abstract func _enter(previous_state_path: String, data: Dictionary[StringName, Variant] = {}) -> void
 
 ## Called by the state machine before changing the active state. Use this function
 ## to clean up the state.
@@ -48,7 +48,7 @@ func state_physics_update(delta: float) -> void:
 	_state_physics_update(delta)
 
 
-func enter(previous_state_path: String, data: Dictionary = {}) -> void:
+func enter(previous_state_path: String, data: Dictionary[StringName, Variant] = {}) -> void:
 	is_active = true
 	_enter(previous_state_path, data)
 	

classes/state_machine/state_machine.gd

@@ -41,9 +41,9 @@ func _get_initial_state() -> State:
 
 ## Transitions the active state out after receiving a finished signal.
 func _transition_to_next_state(target_state_path: String, data: Dictionary[StringName, Variant] = {}) -> void:
-	print("+++ TRANSITION CALLED: ", target_state_path)
+	print(owner.name+"+++ TRANSITION CALLED: ", target_state_path)
-	print("+++ has node? ", has_node(target_state_path))
+	print(owner.name+"+++ has node? ", has_node(target_state_path))
-	print("+++ all children: ", get_children().map(func(c: Node) -> StringName: return c.name))
+	print(owner.name+"+++ all children: ", get_children().map(func(c: Node) -> StringName: return c.name))
 	
 	assert(has_node(target_state_path), owner.name + ": Trying to transition to state " + target_state_path + " but it does not exist.")