36 lines
835 B
GDScript
36 lines
835 B
GDScript
extends Node
|
|
|
|
|
|
class_name StateMachine
|
|
|
|
@export var current_state: State
|
|
var states: Dictionary[StringName,State] = {}
|
|
|
|
func _ready() -> void:
|
|
for child in get_children():
|
|
if child is State:
|
|
states[child.name] = child
|
|
child.transition.connect(on_transition_required)
|
|
else:
|
|
push_warning("Child of state machine is not state")
|
|
|
|
func on_transition_required(to: StringName):
|
|
if states.has(to) == false:
|
|
push_warning("Incorrect state request: " + to)
|
|
return
|
|
|
|
current_state.exit()
|
|
current_state = states[to]
|
|
current_state.enter()
|
|
|
|
func _process(delta: float) -> void:
|
|
if current_state == null:
|
|
push_error("State is not set")
|
|
return
|
|
current_state.update(delta)
|
|
|
|
func _physics_process(delta: float) -> void:
|
|
if current_state == null:
|
|
push_error("State is not set")
|
|
return
|
|
current_state.physics_update(delta)
|