Added AbstractState and StateMachine

game/characters/player/player.tscn

@@ -3,6 +3,9 @@
 [ext_resource type="Script" uid="uid://bb8kc32sggrn2" path="res://game/characters/player/player.gd" id="1_xln5q"]
 [ext_resource type="PackedScene" uid="uid://5qlocc0yu8ug" path="res://game/collision_switcher.tscn" id="2_j06tb"]
 [ext_resource type="PackedScene" uid="uid://cvx6akiplg21s" path="res://game/characters/player/player_sprite.tscn" id="2_n6ad3"]
+[ext_resource type="PackedScene" uid="uid://3ll3i1fgktg2" path="res://game/state_machine/state_machine.tscn" id="4_65114"]
+[ext_resource type="PackedScene" uid="uid://c7adrbfobmvl8" path="res://game/state_machine/abstract_state.tscn" id="5_65114"]
+[ext_resource type="Script" uid="uid://bnxccvt265hlu" path="res://game/characters/player/states/idle_state.gd" id="6_3qf5w"]
 
 [sub_resource type="CapsuleShape2D" id="CapsuleShape2D_xln5q"]
 radius = 4.0
@@ -48,5 +51,10 @@ collision_mask = 35
 [node name="CollisionShape2D" type="CollisionShape2D" parent="CenterArea2D" unique_id=1350886064]
 shape = SubResource("CapsuleShape2D_t6gq4")
 
+[node name="StateMachine" parent="." unique_id=633169960 instance=ExtResource("4_65114")]
+
+[node name="IdleState" parent="StateMachine" unique_id=739226464 instance=ExtResource("5_65114")]
+script = ExtResource("6_3qf5w")
+
 [connection signal="animation_finished" from="AnimatedSprite2D" to="." method="_on_animation_finished"]
 [connection signal="animation_looped" from="AnimatedSprite2D" to="." method="_on_animation_looped"]

game/characters/player/states/idle_state.gd

@@ -0,0 +1 @@
+extends AbstractState

game/characters/player/states/idle_state.gd.uid

@@ -0,0 +1 @@
+uid://bnxccvt265hlu

game/state_machine/abstract_state.gd

@@ -0,0 +1,24 @@
+class_name AbstractState
+extends Node
+
+
+@warning_ignore("unused_signal")
+signal new_state(state: AbstractState)
+
+
+func enter() -> void:
+	pass
+
+
+func exit() -> void:
+	pass
+
+
+@warning_ignore("unused_parameter")
+func process(delta: float) -> void:
+	pass
+
+
+@warning_ignore("unused_parameter")
+func physics_process(delta: float) -> void:
+	pass

game/state_machine/abstract_state.gd.uid

@@ -0,0 +1 @@
+uid://ciuxe344aok4n

game/state_machine/abstract_state.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3 uid="uid://c7adrbfobmvl8"]
+
+[ext_resource type="Script" uid="uid://ciuxe344aok4n" path="res://game/state_machine/abstract_state.gd" id="1_80326"]
+
+[node name="AbstractState" type="Node" unique_id=739226464]
+script = ExtResource("1_80326")

game/state_machine/state_machine.gd

@@ -0,0 +1,22 @@
+class_name StateMachine
+extends Node
+
+
+var current_state : AbstractState
+
+
+func _process(delta: float) -> void:
+	if current_state:
+		current_state.process(delta)
+
+
+func _physics_process(delta: float) -> void:
+	if current_state:
+		current_state.physics_process(delta)
+
+
+func change_state(new_state: AbstractState) -> void:
+	if current_state:
+		current_state.exit()
+	current_state = new_state
+	current_state.enter()

game/state_machine/state_machine.gd.uid

@@ -0,0 +1 @@
+uid://bghuevstlp4yp

game/state_machine/state_machine.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3 uid="uid://3ll3i1fgktg2"]
+
+[ext_resource type="Script" uid="uid://bghuevstlp4yp" path="res://game/state_machine/state_machine.gd" id="1_ncw1q"]
+
+[node name="StateMachine" type="Node" unique_id=633169960]
+script = ExtResource("1_ncw1q")