extends KinematicBody

export var speed = 40

export var h_acceleration = 6
export var air_acceleration = 1
export var normal_acceleration = 6
export var gravity = 100
export var jump = 30
export var slapkill = 0.8
var slap = 0.0
var chargeSlap = false
var isSlap = false
var can_slap = true
var isStep = false
var stepAcc = 0

export var mouse_sensitivity = 0.03

var bottom_boudaries = -20

var full_contact = false
var direction = Vector3()
var h_velocity = Vector3()
var movement = Vector3()
var gravity_vec = Vector3()

onready var head = $Head
onready var camera = $Head/Camera
onready var point_to = $Head/Camera/PointTo
onready var ground_check = $GroundCheck
onready var slap_gauge = $HUD/PlayerLayer/ActualHUD/SlapGauge
onready var slap_animator = $HandMovement
onready var Menu = $HUD/MenuLayer/Start
onready var AudioSlap = $AudioSlap
onready var AudioMegaSlap = $AudioMegaSlap
onready var hitbox = $Head/Camera/HitBox
onready var slap_cooldown = $SlapCooldown
onready var AudioCharge = $AudioCharge
onready var Steps = [ $Step1, $Step2, $Step3, $Step4 ]
var rng = RandomNumberGenerator.new()

func _ready():
	rng.randomize()
	slap_animator.current_animation = "basic_slap"


func _input(event):
	if event is InputEventMouseMotion:
		rotate_y(deg2rad(-event.relative.x * mouse_sensitivity))
		head.rotate_x(deg2rad(-event.relative.y * mouse_sensitivity))
		head.rotation.x = clamp(head.rotation.x, deg2rad(-89), deg2rad(89))
		

func _physics_process(delta):
	
	if Input.is_action_just_pressed("escape"):
		Menu.openMenu();
	
	if global_transform.origin.y < bottom_boudaries:
		global_transform.origin.x = 0
		global_transform.origin.y = 10
		global_transform.origin.z = 0
	
	direction = Vector3()
	
	full_contact = ground_check.is_colliding()
	
	if not is_on_floor():
		gravity_vec += Vector3.DOWN * gravity * delta
		h_acceleration = air_acceleration
	elif is_on_floor() and full_contact:
		gravity_vec = -get_floor_normal()  * gravity
		h_acceleration = normal_acceleration
		isStep = true
	else:
		gravity_vec = -get_floor_normal()
		h_acceleration = normal_acceleration

	
	if Input.is_action_just_pressed("jump") and (is_on_floor() or ground_check.is_colliding()):
		gravity_vec = Vector3.UP * jump
		
	if Input.is_action_just_pressed("crouch"):
		head.translate(Vector3.DOWN)
		speed = 20
	if Input.is_action_just_released("crouch"):
		head.translate(Vector3.UP)
		speed = 40
	
	if Input.is_action_pressed("move_forward"):
		direction -= transform.basis.z
	elif Input.is_action_pressed("move_backward"):
		direction += transform.basis.z
	if Input.is_action_pressed("move_left"):
		direction -= transform.basis.x
	elif Input.is_action_pressed("move_right"):
		direction += transform.basis.x
	
	
	# Slappening
	if Input.is_action_pressed("slap"):
		if !chargeSlap:
			AudioCharge.play();
		if slap < 0.01:
			chargeSlap = true;
	elif Input.is_action_just_released("slap"): 
		if chargeSlap:
			isSlap = true;
		chargeSlap = false;
		can_slap = false
		slap_cooldown.start(0.25)
		AudioCharge.stop();
	else:
		isSlap = false;
		
	
	if isSlap:
		if slap >= slapkill:
			AudioMegaSlap.play()
		else:
			AudioSlap.play()
			isSlap = false;
		hitbox.monitorable = true
		hitbox.slap_level = slap
		hitbox.slap_kill = slapkill
		hitbox.slap_vector = point_to.get_global_transform().origin - camera.get_global_transform().origin

	if (chargeSlap):
		slap += delta * 1.5;
	else: 
		slap -= delta * 8.0;
	slap = clamp(slap, 0.0, 1.0)	
	
	slap_gauge.fill = slap
	slap_animator.seek(slap, true)
	slap_gauge.fill = slap;
	slap_gauge.kill = slapkill;
	
	
	direction = direction.normalized()
	
	if isStep:
		stepAcc += (abs(direction.x) + abs(direction.z)) * delta
	else:
		stepAcc = 0.0
		
	if (stepAcc > 0.3):
		stepAcc -= 0.45
		Steps[rng.randi_range(0,3)].play();
	
	h_velocity = h_velocity.linear_interpolate(direction * speed, h_acceleration * delta)
	movement.z = h_velocity.z + gravity_vec.z
	movement.x = h_velocity.x + gravity_vec.x
	movement.y = gravity_vec.y
	
	
	
# warning-ignore:return_value_discarded
	move_and_slide(movement, Vector3.UP)


func _on_SlapCooldown_timeout():
	can_slap = true
	slap_cooldown.stop()
	hitbox.monitorable = false