#!/usr/bin/python
# -*- coding: GBK -*-
#
# @todo: buff±©»÷¹¥»÷¼õ×ÔÉíbuff²ã
#
# @author: Alee
# @date 2018-1-30 ÏÂÎç05:11:45
# @version 1.0
#
# @note: 
#
#---------------------------------------------------------------------

import ChConfig
import GameWorld
import SkillCommon
import BuffSkill
import SkillShell
import IPY_GameWorld

def CheckCanHappen(attacker, defender, passiveEffect, skillID, **skillkwargs):
    # ÏÈÅжϸÅÂÊ
    rate = passiveEffect.GetEffectValue(0)
    if rate and not GameWorld.CanHappen(rate):
        return False
    
    FBSkillValid = passiveEffect.GetEffectValue(1)
    if FBSkillValid == 0:
        # 0 Ϊ Ö»ÓÐÖ÷¶¯·¨±¦¼¼Äܱ©»÷¿É´¥·¢
        useSkill = skillkwargs.get("useSkill", None)
        if not useSkill:
            return False
        if useSkill.GetFuncType() != ChConfig.Def_SkillFuncType_FbSkill:
            return False
    
    curSkill = GameWorld.GetGameData().GetSkillBySkillID(skillID)
    if not curSkill:
        return False
    
    buffType = SkillCommon.GetBuffType(curSkill)
    buffTuple = SkillCommon.GetBuffManagerByBuffType(attacker, buffType)
    #ͨ¹ýÀàÐÍ»ñÈ¡Ä¿±êµÄbuff¹ÜÀíÆ÷Ϊ¿Õ£¬ÔòÌø³ö
    if buffTuple == ():
        return False
    
    buffManager = buffTuple[0]
    buff = buffManager.FindBuff(curSkill.GetSkillTypeID())
    if not buff:
        return False

    if buff.GetLayer() <= 0:
        return False
    
    BuffSkill.SetBuffLayer(attacker, buff, buff.GetLayer()-1, skillTypeID=curSkill.GetSkillTypeID())
    
    return True