alai/godot/characters/enemies/WalkingEnemy.gd

extends KinematicBody2D


var velocity = Vector2()
export var direction = -1
export var detect_edges = true
export var speed = 25
export var gravity = 9.8


func _ready() -> void:
    if direction == 1:
        $AnimatedSprite.flip_h = true
    $FloorChecker.position.x = $CollisionShape2D.shape.get_extents().x * direction
    $FloorChecker.enabled = detect_edges
    Event.connect("level_loaded", self, "_on_level_loaded")


func _physics_process(_delta: float) -> void:
    if is_on_wall() or not $FloorChecker.is_colliding() and is_on_floor() and $FloorChecker.enabled:
        direction *= -1
        $AnimatedSprite.flip_h = not $AnimatedSprite.flip_h
        $FloorChecker.position.x = $CollisionShape2D.shape.get_extents().x * direction

    velocity.y += gravity
    velocity.x = speed * direction
    velocity = move_and_slide(velocity, Vector2.UP)

    for i in get_slide_count():
        var collision = get_slide_collision(i)
        if collision.collider.name == "Player":
            Event.emit_signal("player_touched", 3)

    Event.emit_signal("object_updated", self.get_name(), "Walking", global_position, velocity)
    Event.emit_signal("report_object", self.get_name(), "Walking", global_position, velocity)


func squash() -> void:
    Event.emit_signal("object_removed", self.get_name())
    queue_free()


func _on_level_loaded() -> void:
    Event.emit_signal("object_created", self.get_name(), "Walking", global_position, Vector2(0, 0))