extends "res://ressources/scripts/entity.gd"

onready var player = $model/ra
onready var camera = $model/ra/spring_arm
onready var skin = $model/ra/model

export var sprint_speed = 10.0
export var max_speed: = 12.0
export var move_speed: = 5.0
export var gravity = -100.0
export var jump_impulse = 25
export(float, 0.1, 20.0, 0.1) var rotation_speed_factor: = 0.01

var velocity: = Vector3.ZERO
var _is_sprinting = false

func _ready():
#    $camera.make_current()
	$model/ra/spring_arm/camera.make_current()
  

func _input( event ):
	
	if event.is_action_pressed( "toggle_sprint" ):
		self._is_sprinting = not self._is_sprinting

func _process( delta ):

	var input_direction: = self.get_input_direction()

	# Calculate a move direction vector relative to the camera
	# The basis stores the (right, up, -forwards) vectors of our camera.
	var forwards: Vector3 = self.camera.global_transform.basis.z * input_direction.z
	var right: Vector3 = self.camera.global_transform.basis.x * input_direction.x
	var move_direction: = forwards + right
	if move_direction.length() > 1.0:
		move_direction = move_direction.normalized()
	move_direction.y = 0
#    skin.move_direction = move_direction

	# Rotation
#    if move_direction:
#        var target_direction = player.transform.looking_at(player.global_transform.origin + move_direction, Vector3.UP)
#        player.transform = player.transform.interpolate_with(target_direction, rotation_speed_factor * delta)

	player.rotate_y( rotation_speed_factor * (Input.get_action_strength("turn_left") - Input.get_action_strength("turn_right")) )

	# Movement
	velocity = self.calculate_velocity(velocity, move_direction, delta)
	velocity = player.move_and_slide(velocity, Vector3.UP, true)
	
	if input_direction:
		if not input_direction.z == 0.0:
			if self.is_sprinting():
				$model/ra/model/AnimationPlayer.play( "run" )
			else:
				$model/ra/model/AnimationPlayer.play( "walk" )
		elif input_direction.x > 0.0:
			$model/ra/model/AnimationPlayer.play( "strafe_right" )
		elif input_direction.x < 0.0:
			$model/ra/model/AnimationPlayer.play( "strafe_left" )
			
	else:
		$model/ra/model/AnimationPlayer.play( "idle" )
	
static func get_input_direction() -> Vector3:
	return Vector3(
			Input.get_action_strength("move_right") - Input.get_action_strength("move_left"),
			0,
			Input.get_action_strength("move_backward") - Input.get_action_strength("move_forward")
		)


func calculate_velocity(
		velocity_current: Vector3,
		move_direction: Vector3,
		delta: float
	) -> Vector3:
		var velocity_new := move_direction
		if self.is_sprinting():
			velocity_new *= sprint_speed
		else:
			velocity_new *= move_speed
		if velocity_new.length() > max_speed:
			velocity_new = velocity_new.normalized() * max_speed
		velocity_new.y = velocity_current.y + gravity * delta

		return velocity_new
		
func load_creature( filename ):
	
	self.creature = Creatures.Ra_old.new()
	self.creature.from_file( filename )
	
#    # version statique.        
#    $model/ra/model/body.set( "blend_shapes/Boobs", self.creature.female_boobs )
#    $model/ra/model/body.set( "blend_shapes/Female_hip", self.creature.female_hip )
#    $model/ra/model/body.set( "blend_shapes/Male_Pack", self.creature.male_pack )
#    $model/ra/model/body.set( "blend_shapes/Male_Throat", self.creature.male_throat )
#    $model/ra/model/body.set( "blend_shapes/Pregnant", self.creature.female_pregnant )
#    $model/ra/model/body.set( "blend_shapes/Pregnant", self.creature.female_pregnant )
#    $model/ra/model/body.get_surface_material( 0 ).set_shader_param( "albedo", self.creature.color )
#
	# Version animée.
	$model/ra/model/metarig/Skeleton/body.set( "blend_shapes/Boobs", self.creature.female_boobs )
	$model/ra/model/metarig/Skeleton/body.set( "blend_shapes/Female_hip", self.creature.female_hip )
	$model/ra/model/metarig/Skeleton/body.set( "blend_shapes/Male_Pack", self.creature.male_pack )
	$model/ra/model/metarig/Skeleton/body.set( "blend_shapes/Male_Throat", self.creature.male_throat )
	$model/ra/model/metarig/Skeleton/body.set( "blend_shapes/Pregnant", self.creature.female_pregnant )
	$model/ra/model/metarig/Skeleton/body.set( "blend_shapes/Pregnant", self.creature.female_pregnant )
	$model/ra/model/metarig/Skeleton/body.get_surface_material( 0 ).set_shader_param( "albedo", self.creature.color )
		
func is_sprinting():
	if (not self._is_sprinting and Input.is_action_pressed( "sprint" )) \
	or (self._is_sprinting and not Input.is_action_pressed( "sprint" )) \
	:
		return true
	return false

func rotate_camera_arm( p_axis, p_angle_degree ):
	$model/ra/spring_arm.rotate( p_axis, p_angle_degree )
	
func rotate_camera( p_axis, p_angle_degree ):
	$model/ra/spring_arm/camera.rotate( p_axis, p_angle_degree )
	
func move_camera( p_translation ):
	$model/ra/spring_arm/camera.translate( p_translation )

func reset_camera():
	$model/ra/spring_arm.translation = Vector3( 0, 2, 2 )
	$model/ra/spring_arm.rotation_degrees = Vector3( 0.0, 0.0, 0.0 )
	$model/ra/spring_arm/camera.translation = Vector3( 0.0, 0.0, 0.0 )
	$model/ra/spring_arm/camera.rotation_degrees = Vector3( -14, 0, 0.328 )