唤援断纹：它血过半要摇人，先断它的信

flowchart TD
A[怪血掉过半] --> B[开始摇人]
B --> C[紫条走五秒]
C --> D{断信了吗}
D -- 断了 --> E[信号掐灭]
D -- 没断走满 --> F[跟班进场]
E --> G[安心打主]
F --> H[二打一 先斩谁自己掂量]
G --> A
H --> A

 fx-crest-reinforce

-- @file CrestReinforce.lua
-- 唤援断纹 —— 它血过半要摇人 先断它的信

local CrestReinforce = {}

local CONST = {
    CALL_LINE     = 0.5,
    CALL_TIME     = 5,
    CUT_CD        = 6,

    AUTOINC_BASE  = 1202900,
}

local _calling  = false
local _left     = 0
local _done     = false
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 CrestReinforce.IsCalling() return _calling end
function CrestReinforce.Left() return _left end

-- 血线口: 过半开摇
function CrestReinforce.OnBloodLine(hpFrac)
    if _done or _calling or hpFrac > CONST.CALL_LINE then
        return false
    end
    _calling = true
    _left = CONST.CALL_TIME
    ShowTip("它血过半——五秒内断信!")
    return true
end

-- 断信: 掐灭这一波
function CrestReinforce.Cut()
    if _cd > 0 then
        ShowTip("断信还在歇——再等" .. math.ceil(_cd) .. "秒")
        return false
    end
    if not _calling then
        ShowTip(_done and "跟班已经进场了" or "它还没开始摇人")
        return false
    end
    _cd = CONST.CUT_CD
    _calling = false
    _done = true
    ShowTip("信号掐断——跟班来不了了!")
    return true
end

if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
        if not _calling then return end
        _left = _left - dt
        if _left <= 0 then
            _calling = false
            _done = true
            ShowTip("跟班进场了——先斩小的再回头")
        end
    end, 0.05)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("断信!", function()
        CrestReinforce.Cut()
    end)
    ShowTip("技能已加载: 唤援断纹")
end, 1.0)

function CrestReinforce.OnNewWave()
    _calling = false
    _done = false
end

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

return CrestReinforce