extends Node3D
class_name Battle

@onready var character = (get_owner() as Character)
@onready var status = (%Status as Status)

class HitInfo:
	var from : int
	var to : int
	var dir : Vector2
	var attack : AttackCfg

var hit_info_list = [] #命中信息

func attack():
	if !status.skill_cfg:
		return
	var attack_list = status.skill_cfg.attack_list
	if !attack_list:
		print("未配置技能攻击",status.skill_cfg)
		return
	var attack_index = status.skill_attack_index
	if attack_index >= len(attack_list):
		attack_index = len(attack_list) - 1
	var attack = attack_list[attack_index]
	var enemy_list = character.manager().get_enemy_list(character.id())
	for enemy in enemy_list:
		var pos_dir = enemy.pos2D()-character.pos2D()
		var distance = pos_dir.length()
		#test
		if (distance < 1):
			var hit_info = HitInfo.new()
			hit_info.from = character.id()
			hit_info.to = enemy.id()
			hit_info.dir = status.skill_dir
			hit_info.attack = attack
			hit_info_list.append(hit_info)

func _process(delta):
	for hit_info in hit_info_list:
		settle(hit_info)
	hit_info_list.clear()

func settle(hit_info:HitInfo):
	var character_from = character.manager().get_character(hit_info.from) as Character
	var character_to = character.manager().get_character(hit_info.to) as Character
	if !character_from or !character_to:
		return
		
	var attack = hit_info.attack
	
	#造成伤害
	var damage = attack.damage_rate * character_from.get_property("attack")
	var hp = character_to.get_status("hp")
	damage = min(hp,damage)
	character_to.set_status("hp",hp-damage)
	
	#取消技能
	character_to.cancel_skill()
	#受击动画
	character_to.set_view_trigger("hit")
	
	#浮空 强制位移
	var hit_up_speed = attack.hit_up_speed
	if attack.is_floating:
		character_to.add_buff("stagger",-1)
		character_to.add_buff("floating",-1)
	else:
		character_to.add_buff("stagger",1)
		hit_up_speed = 0
	character_to.set_hit_move(hit_info.dir,attack.hit_back_speed,hit_up_speed)
	character_to.add_buff("hit_back",attack.hit_back_duration)
	character_to.add_buff("hit_up",attack.hit_up_duration)
	
	#抖动
	character_to.add_buff("shake_x",0.2,true)
	
	#闪白
	character_to.add_buff("flash_white",0.1)
	
	#形变
	character_to.add_buff("deformation",0.1)
	
	#卡帧
	character_from.add_buff("pause",0.1)
	character_to.add_buff("pause",0.1)