extends Spatial

var animation_object:AnimationPlayer = null
var rotation_speed_factor = 0.01
var orientation = 0.0
var direction = Vector3.ZERO
export var gravity = -9.0

func search_animation( obj ) -> bool:
	var ret:bool = false
	for i in obj.get_children():
		if i.get_name() == "AnimationPlayer":
			animation_object = i
			return true
		else:
			ret = search_animation(i)
			if ret == true:
				return ret
	return false

# Called when the node enters the scene tree for the first time.

func _ready():
	match Globals.player['Race']:
		"arche":
			self.change_creature( "res://scenes/player/creature_raference.tscn" )
		"isidor":
			self.change_creature( "res://scenes/player/creature_raference.tscn" )
		"raference":
			self.change_creature( "res://scenes/player/creature_raference.tscn" )
		_:
			self.change_creature( "res://scenes/player/creature_raference.tscn" )
	# search_animation($character)
	# Globals.player['blend_shape']
	update_blend_shapes($creature, Globals.player['blend_shape'])
	var idlename = "idle"
	if $creature.has_method("get_animation_idle"):
		idlename = $creature.get_animation_idle()
	self.rotation_speed_factor = $creature.rotation_speed_factor
	animation_object.play( idlename )
	animation_object.connect("animation_finished", self, "_on_AnimationPlayer_animation_finished")


func _on_AnimationPlayer_animation_finished(anim_name):
	Config.msg_debug("Animation finished:" + anim_name)
	animation_object.play( anim_name )


func change_creature( new_model_path ):
	if $creature:
		var old_model = $creature
		self.remove_child( old_model )
		old_model.queue_free()
		self.animation_object = null
	var new_model = load( new_model_path )
	if new_model:
		new_model = new_model.instance()
		new_model.name = "creature"
		self.add_child( new_model )
		#new_model.connect( "animation_finished", self, "_on_creature_animation_finished" )
		# new_model.duplicate_meshes()
		search_animation( new_model )


func update_blend_shapes( obj , param):
	#blend_shapes = {}
	update_blend_shapes_step(obj, param, "")
	pass


func update_blend_shapes_step( obj, param, father = "" ):
	for i in obj.get_children():
		var root = father + str(i.name) + "."
		if i is MeshInstance:
			for key in i.get_property_list():
				if key.name.substr(0, 13) == "blend_shapes/":
					var blend = key.name.substr(13)
					if param.has(blend):
						i.set( "blend_shapes/"+blend, param[blend] )
		update_blend_shapes_step( i, param, root)


static func get_input_direction() -> Vector3:
	return Vector3(
				Input.get_action_strength("move_strafe_right") - Input.get_action_strength("move_strafe_left"),
				0,
				Input.get_action_strength("move_backward") - Input.get_action_strength("move_forward")
			)


func _process( delta ):
	Config.msg_info( Input.get_action_strength("move_backward") )
	Config.msg_info( Input.get_action_strength("move_forward") )
	# $character.direction = self.get_input_direction()
	#self.direction = self.get_input_direction()
	self.direction = self.get_input_direction()
	self.rotate_y( self.rotation_speed_factor * self.orientation )




func calculate_velocity(
		velocity_current: Vector3,
		move_direction: Vector3,
		delta: float
	) -> Vector3:
		var velocity_new = Vector3.ZERO
		velocity_new = move_direction
		
		velocity_new *= $creature.move_speed
		if velocity_new.length() > $creature.max_speed:
			velocity_new = velocity_new.normalized() * $creature.max_speed
		velocity_new.y = velocity_current.y + gravity * delta
		return velocity_new


func _input( event ):
	# Config.msg_debug(str(event))
	self.direction = self.get_input_direction()
	if not Input.is_key_pressed( KEY_SHIFT ):
		self.orientation = (Input.get_action_strength("move_turn_left") - Input.get_action_strength("move_turn_right"))
	else:
		self.orientation = 0.0
	if event is InputEventMouseMotion and Input.is_mouse_button_pressed( 2 ):
		if $creature:
			self.rotate_y( event.relative.x *0.01 )