蓄雷：挨的打先记账，两秒后一声雷还清

 fx-stormstore

-- @file StormStore.lua
-- 蓄雷 —— 挨的打先记账，两秒后一声雷还清

local StormStore = {}

local CONST = {
    STORE_LIFE    = 2.0,
    STORE_CD      = 7.0,
    BOLT_RATE     = 0.6,

    COLOR_BOLT    = "#b088e8",
    COLOR_DEEP    = "#3e1a5e",
    COLOR_GHOST   = "#e4d0fa",

    ZORDER_STORE  = 131,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1006000,
}

local _storeT    = 0
local _book      = 0
local _cdLeft    = 0
local _storeFx   = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "SRS",
        CONST.AUTOINC_BASE + _autoInc)
end

local function GetActorPos(id)
    if not id then return nil end
    local x = SL:GetValue("ACTOR_POSITION_X", id)
    local y = SL:GetValue("ACTOR_POSITION_Y", id)
    if not x or not y then return nil end
    return { x = x, y = y }
end

local function SafeRemove(node)
    if node and not GUI:Widget_IsNull(node) then
        GUI:removeFromParent(node)
    end
end

local function ShowTip(msg)
    if msg and msg ~= "" then SL:ShowSystemTips(msg) end
end

function StormStore.Cast()
    if _cdLeft > 0 or _storeT > 0 then return end
    local myID = SL:GetValue("USER_ID")
    if not myID then return end
    _cdLeft = CONST.STORE_CD
    _storeT = CONST.STORE_LIFE
    _book = 0
    SafeRemove(_storeFx)
    _storeFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Store"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_storeFx, CONST.ZORDER_STORE)
    SL:PlayStoreUpFx(myID)
    SL:TipAboveMe("蓄雷！")
    ShowTip("蓄雷开始——两秒里它打多少记多少，人不掉血")
end

-- 记账免伤链：蓄雷期伤害全额入账
SL:RegisterLUAEvent(LUA_EVENT_BEFORE_HURT, "SRS_Book", function(tid, dmg)
    if _storeT > 0 and tid == SL:GetValue("USER_ID") and dmg > 0 then
        _book = _book + dmg
        SL:TipAboveMe("账" .. _book)
        SL:PlayStoreAbsorbFx()
        return 0
    end
    return dmg
end)

-- 清账落雷
local function DropBolt()
    local out = math.floor(_book * CONST.BOLT_RATE)
    local tid = SL:GetValue("MARK_TARGET_ID")
    local tp = GetActorPos(tid)
    _book = 0
    SafeRemove(_storeFx)
    _storeFx = nil
    if out <= 0 or not tp then
        ShowTip("两秒空账——它一掌没出，雷哑了")
        return
    end
    SL:ActorHurt(tid, out)
    SL:TipAbove(tid, "雷-" .. out)
    SL:PlayBoltStrikeFx(tid)
    SL:ScreenShake(3.4, 0.22)
    ShowTip("一声雷还清——" .. out .. "点砸它脸上")
end

-- 定时器：蓄环推进与落雷触发
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _storeT > 0 then
            _storeT = _storeT - dt
            local myID = SL:GetValue("USER_ID")
            local mp = GetActorPos(myID)
            if _storeFx and mp then
                GUI:setPosition(_storeFx, mp.x, mp.y - 40)
            end
            if _storeT <= 0 then DropBolt() end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("蓄雷", function()
        StormStore.Cast()
    end)
    ShowTip("技能已加载: 蓄雷 (调试按钮触发)")
end, 1.0)

function StormStore.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_BEFORE_HURT, "SRS_Book")
    SafeRemove(_storeFx)
end

return StormStore