extends StaticBody2D

export var glowing_fireball: PackedScene

var player: KinematicBody2D = null
var center: Vector2
var shoot_directions: Array
var rotated_shoot_directions: Array


func _ready() -> void:
    center = $Sprite.global_position
    shoot_directions = [
        Vector2(center.x - 1, center.y),
        Vector2(center.x + 1, center.y),
        Vector2(center.x, center.y - 1),
        Vector2(center.x, center.y + 1)]
    rotated_shoot_directions = [
        Vector2(center.x - 1, center.y - 1),
        Vector2(center.x + 1, center.y + 1),
        Vector2(center.x + 1, center.y - 1),
        Vector2(center.x - 1, center.y + 1)]
    return


func _on_spinner_timeout():
    $Sprite.set_rotation_degrees($Sprite.get_rotation_degrees() + 45)
    return


func _on_shoot_timeout():
    if player:
        var shoot_array: Array
        if int($Sprite.get_rotation_degrees()) % 90 == 0:
            shoot_array = shoot_directions
        else:
            shoot_array = rotated_shoot_directions

        for itr in shoot_array:
            var projectile: Node = glowing_fireball.instance()
            projectile.init(center, itr)
            get_tree().get_current_scene().get_node('Projectiles').add_child(projectile)
    return


func _on_player_detector_body_entered(body: Node) -> void:
    if body.is_in_group('player'):
        player = body
    return


func _on_player_detector_body_exited(body: Node) -> void:
    if body.is_in_group('player'):
        player = null
    return