extends CharacterBody2D

@export var SPEED = 300
@export var GRAVITY = 30
@export var JUMP_FORCE = 500

@onready var animated_sprite = $AnimatedSprite2D;

var jumping = false;
var facing_right = true;

func _ready():
	animated_sprite.play("idle")

func _physics_process(delta):
	if is_on_floor():
		# allow the player to jump
		if jumping:
			jumping = false
			
		if Input.is_action_just_pressed("jump"):
			velocity.y = -JUMP_FORCE
			jumping = true
			animated_sprite.play("jump")
	else:
		# apply gravity
		velocity.y += GRAVITY
		if velocity.y > 1000:
			velocity.y = 1000
	
	# perform horizontal movement
	var horizontal_direction = Input.get_axis("move_left", "move_right")
	velocity.x = SPEED * horizontal_direction
	move_and_slide()
	
	# ensure the player faces the correct direction
	if horizontal_direction > 0 && !facing_right:
		animated_sprite.flip_h = false
	elif horizontal_direction < 0 && facing_right:
		animated_sprite.flip_h = true
	
	if horizontal_direction != 0:
		facing_right = horizontal_direction > 0
	
	# figure out which animation should be played
	# respecting the jump animation above all
	if !jumping:
		if is_on_floor() && horizontal_direction != 0:
			animated_sprite.play("walk")
		else:
			animated_sprite.play("idle")