add match and watch helpers to player state

classes/state/player_state.gd

@@ -30,3 +30,25 @@ func _state_update(_delta: float) -> void:
 
 func _state_physics_update(_delta: float) -> void:
 	pass
+
+
+func match_state(exclude: Array[StringName] = []) -> StringName:
+	var movement_vector: Vector2 = player.get_movement_vector()
+	
+	if movement_vector.length() > player.DEADZONE:
+		if WALKING in exclude: return ""
+		return WALKING
+	elif movement_vector.length() < player.DEADZONE:
+		if IDLE in exclude: return ""
+		return IDLE
+	
+	return ""
+
+
+func watch_state(exclude: Array[StringName] = []) -> bool:
+	var next_state: StringName = match_state(exclude)
+	if next_state != "":
+		finished.emit(next_state)
+		return true
+	
+	return false

scenes/player/states/player_idle.gd

@@ -6,11 +6,14 @@ var next_state: StringName
 
 func _enter(_previous_state_path: String, _data: Dictionary[StringName, Variant] = {}) -> void:
 	print('entering idle')
-	#print('entered')
+	
+	player.velocity = Vector2.ZERO
+	player.move_and_slide()
+	
+	# TODO: animations
+	
+	print('entered')
 
 
 func _state_physics_update(_delta: float) -> void:
-	next_state = player.match_state([IDLE])
+	if watch_state([IDLE]): return
-	if next_state != "":
-		finished.emit(next_state)
-		return