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 max_speed: = 6.0
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

func _ready():
#    $camera.make_current()
    $model/ra/spring_arm/camera.make_current()
  
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 move_direction:
        $model/ra/model/AnimationPlayer.play( "walk" )
    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 * 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.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 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 )