落雷引纹：三道雷柱点名，点谁劈谁

flowchart TD
A[点点名] --> B[雷圈套它脚下]
B --> C[第一柱劈下]
C --> D{它在圈里吗}
D -- 在 --> E[劈中十二]
D -- 挪出圈 --> F[劈空]
E --> G{三柱落尽了吗}
F --> G
G -- 没有 --> H[半秒后下一柱]
H --> C
G -- 落尽 --> I[九秒后再点名]

 fx-crest-pillars

-- @file CrestPillars.lua
-- 落雷引纹 —— 三道雷柱点名 点谁劈谁

local CrestPillars = {}

local CONST = {
    PILLARS       = 3,
    STRIKE_GAP    = 0.5,
    BOLT_DMG      = 12,
    CIRCLE_HALF   = 42,
    CALL_CD       = 9,

    AUTOINC_BASE  = 1204800,
}

local _mark     = 0
local _calling  = false
local _n        = 0
local _gap      = 0
local _cd       = 0
local _autoInc  = 0

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

local function GenID()
    _autoInc = _autoInc + 1
    return CONST.AUTOINC_BASE + _autoInc
end

function CrestPillars.Mark() return _mark end

-- 点名: 圈地锁点
function CrestPillars.Call(mobX)
    if _cd > 0 then
        ShowTip("雷云还没聚——再等" .. math.ceil(_cd) .. "秒")
        return
    end
    _cd = CONST.CALL_CD
    _mark = mobX
    _calling = true
    _n = 0
    _gap = 0.35
    ShowTip("圈住它脚下——三柱接连劈!")
end

-- 每柱落下: 柱柱验身
if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
        if not _calling then return end
        _gap = _gap - dt
        if _gap <= 0 then
            _n = _n + 1
            local mobX = SL:GetValue("mobX") or 0
            if math.abs(mobX - _mark) < CONST.CIRCLE_HALF then
                ShowTip("第" .. _n .. "柱劈中"
                    .. CONST.BOLT_DMG .. "!")
            else
                ShowTip("第" .. _n .. "柱劈空——它挪出了圈")
            end
            if _n >= CONST.PILLARS then
                _calling = false
                ShowTip("三柱落尽——九秒后再点名")
            else
                _gap = CONST.STRIKE_GAP
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("点名!", function()
        CrestPillars.Call(SL:GetValue("mobX") or 0)
    end)
    ShowTip("技能已加载: 落雷引纹")
end, 1.0)

function CrestPillars.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _calling = false
end

return CrestPillars