beta-1.0

Scripts/Characters/Player/state_machine.gd

@@ -2,18 +2,54 @@ extends Node
 class_name PlayerStateMachine
 
 enum States {
-	IDLE, WALKING
+	UNSET, IDLE, WALKING, USING_ITEM_A, DRAWING_BOW, FIRING_ARROW,
+	SITTING, CUTSCENE
 }
 
+@export var states_container: Node
+@export var current_state: BaseState
+
+var state_dict := {}
+var queued_state: PlayerStateMachine.States = PlayerStateMachine.States.UNSET
+var queued_parameters: Dictionary = {}
+
 # Public Methods
-func GetCurrentState() -> States:
-	return States.IDLE
+func GetCurrentStateEnum() -> States:
+	return current_state.GetStateEnum()
+
+
+func QueueStateChange(to_state_enum: PlayerStateMachine.States, extra_parameters: Dictionary = {}) -> void:
+	queued_state = to_state_enum
+	queued_parameters = extra_parameters
+
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	pass # Replace with function body.
+	var children := states_container.get_children()
+	for child in children:
+		if child is not BaseState:
+			continue
+		var state := child as BaseState
+		state_dict[state.GetStateEnum()] = state
+	
+	if current_state:
+		current_state.Enter({})
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(_delta: float) -> void:
-	pass
+func _process(delta: float) -> void:
+	if current_state:
+		current_state.Update(delta)
+	
+	if queued_state != PlayerStateMachine.States.UNSET:
+		_swap_state()
+
+
+func _swap_state() -> void:
+	if current_state:
+		current_state.Exit()
+		
+	current_state = state_dict[queued_state] as BaseState
+	current_state.Enter(queued_parameters)
+	queued_state = PlayerStateMachine.States.UNSET
+	queued_parameters = {}