extends CharacterBody3D

@onready var animationtree: AnimationTree = $Camera3D/Weapon/AnimationPlayer/AnimationTree

const SPEED: float         = 5.0
const FALLOFF_SPEED: float = 0.5
const JUMP_VELOCITY: float = 4.5

var lastDirection = Vector2(0,0)

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity: float = ProjectSettings.get_setting("physics/3d/default_gravity")


func _physics_process(delta: float) -> void:
	# Add the gravity.
	if not is_on_floor():
		velocity.y -= gravity * delta

	# Handle Jump.
	if Input.is_action_just_pressed("player_jump") and is_on_floor():
		velocity.y = JUMP_VELOCITY

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	var input_dir := Input.get_vector("player_right", "player_left", "player_down", "player_up")
	var direction := (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
	var falloffSpeed = FALLOFF_SPEED
	
	if not is_on_floor():
		falloffSpeed = 0.02;
	
	if direction:
		velocity.x = direction.x * SPEED
		velocity.z = direction.z * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, falloffSpeed)
		velocity.z = move_toward(velocity.z, 0, falloffSpeed)

	move_and_slide()

	lastDirection.x = move_toward(lastDirection.x, input_dir.x, 0.05);
	lastDirection.y = move_toward(lastDirection.y, input_dir.y, 0.05);
	animationtree.set('parameters/Movement/blend_position', lastDirection);