错影闪纹：身影一换位，背后一刀重

flowchart TD
A[点闪] --> B{步子缓过来吗}
B -- 没有 --> C[拦下等CD]
B -- 好了 --> D[残影留原地]
D --> E[瞬步到另一侧]
E --> F[面向翻转朝怪]
F --> G[背刺窗三秒]
G --> H{窗内落刀}
H -- 是 --> I[背刺三十]
H -- 过时 --> J[回原价]

 fx-crest-blink

-- @file CrestBlink.lua
-- 错影闪纹 —— 身影一换位 背后一刀重

local CrestBlink = {}

local CONST = {
    WINDOW        = 3,
    BLINK_CD      = 5,
    DMG_BACK      = 30,
    DMG_BASE      = 14,

    AUTOINC_BASE  = 1200900,
}

local _side     = 1
local _win      = 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 CrestBlink.Side() return _side end
function CrestBlink.WinLeft() return _win end

-- 刀重读窗口余量
function CrestBlink.Dmg()
    if _win > 0 then return CONST.DMG_BACK end
    return CONST.DMG_BASE
end

-- 闪身: 挪坐标翻朝向 一口子里齐活
function CrestBlink.Blink(curX, curDir)
    if _cd > 0 then
        ShowTip("步子没缓过来——再等" .. math.ceil(_cd) .. "秒")
        return nil
    end
    _cd = CONST.BLINK_CD
    _win = CONST.WINDOW
    _side = -_side
    ShowTip("闪!换到" .. (_side > 0 and "左" or "右")
        .. "侧——三秒背刺窗")
    return _side
end

-- 落刀认窗: 窗内背刺 窗过回价
function CrestBlink.Settle()
    if _win > 0 then
        _win = 0
        ShowTip("背刺!" .. CONST.DMG_BACK .. "——换位的价值")
        return true
    end
    return false
end

if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
        if _win > 0 then _win = _win - dt end
    end, 0.05)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("闪!", function()
        CrestBlink.Blink(0, 2)
    end)
    ShowTip("技能已加载: 错影闪纹")
end, 1.0)

function CrestBlink.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _win = 0
    _cd = 0
end

return CrestBlink