TouhouGD/script/ai/action_with_target/action_cast_skill.gd

extends ActionWithTarget
class_name ActionCastSkill

func execute(character: Character, target: Character, blackboard: Blackboard) -> int:
    var skill: Skill   = character.skill
    var status: Status = character.status
    var dir: Vector2   = target.pos2D() - character.pos2D()
    var dist: float    = dir.length()
    if status.is_skill_running:
        if int(status.break_level) < Enum.EBreakLevel.Break:
            if dist < 0.5:
                character.move_to(-dir)
            elif dist > 2:
                character.move_to(dir)
            return RUNNING
    for skill_cfg: SkillCfg in skill.skill_dict.values():
        #检查姿态
        var stance_from: int       = skill_cfg.stance_from
        var check_any_ground: bool = (stance_from == Enum.EStance.GroundAny) and status.is_on_floor
        var check_any_air: bool    = (stance_from == Enum.EStance.AirAny) and not status.is_on_floor
        var check_any: bool        = (stance_from == Enum.EStance.Any) or check_any_ground or check_any_air
        if (stance_from != int(status.stance)) and not check_any:
            continue
        #检查距离
        if dist > skill_cfg.range:
            continue
        #检查远程最小释放距离
        if dist < skill_cfg.range - 2:
            continue
        #施放技能条件检查
        if not skill.cast_skill_check(skill_cfg, status.break_level):
            continue
        #施放技能扣除mp
        if not skill.cast_skill_mp_cost(skill_cfg):
            continue
        skill.cast_skill(skill_cfg, dir)
        return SUCCESS
    return FAILURE