extends CharacterBody2D

const SPEED = 70.0
const JUMP_VELOCITY = -200.0
var HP:int = 50
@onready var Player = $"../Playar"
@onready var MIKU = $"."
@onready var cooldown = $timeJUMP
@onready var cooldownFIRE = $timerFIRE
const Bullet_scene1 = preload("res://scene/entities/bullet.tscn")# 把 Bullet.tscn 拖进来
#@export var bullet_count: int = 5      # 一次发射几颗子弹
#@export var spread_angle: float = 65.0# 散射总角度（度）
#@export var bullet_speed: float = 600.0
#@onready var muzzle: Marker2D = $Muzzle # 枪口位置（可选，没有就用玩家坐标）
#@onready var FLAG:Marker2D = $FLAG
#var was_on_floor = false#定义为布尔值

#func shoot():
#	var angle_step = 0.0
#	if bullet_count > 1:
#		angle_step = spread_angle / (bullet_count - 1)
#	var start_angle = -spread_angle / 2.0
#	if is_instance_valid(Player) and is_instance_valid(MIKU):
#		for i in range(bullet_count):
#			var Bullet = Bullet_scene1.instantiate()
#			var current_angle = start_angle + i * angle_step
#			Bullet.global_position =muzzle.global_position
#			Bullet.target_position = Player.global_position
#			var direction = (Bullet.target_position - Bullet.global_position).normalized()
#			var rotated_direction = direction.rotated(deg_to_rad(current_angle))
#			Bullet.target_position = Player.global_position + rotated_direction * 1000
#			get_tree().current_scene.add_child(Bullet)
#	cooldownFIRE.start()


var was_on_floor := false
var is_dead := false

func _ready() -> void:
	add_to_group("enemy")
	was_on_floor = false   # 第一帧交给 _physics_process 判定

func _physics_process(delta: float) -> void:
	if not is_on_floor():              #重力
		velocity += get_gravity() * delta
		var direction := signf(Player.global_position.x - global_position.x)
		velocity.x = direction * SPEED
	if is_on_floor():
			velocity.y = JUMP_VELOCITY
	elif is_on_floor():
		# 只有站在地上时才刹车，空中保留惯性
		velocity.x = 0

	move_and_slide()

	if is_on_floor() and not was_on_floor:
		cooldown.start()

	was_on_floor = is_on_floor()

func take_damage(amount: int) -> void:
	if is_dead:
		return
	HP = max(HP - amount, 0)
	if HP <= 0:
		die()

func die() -> void:
	is_dead = true
	call_deferred("queue_free")


func _on_jiance_body_entered(body: Node2D) -> void:
	pass # Replace with function body.