飞索擒纹：索头一出，拖它近前三尺

flowchart TD
A[点甩索] --> B[索头飞出]
B --> C{套中了吗}
C -- 套中 --> D[绳身回收]
C -- 没中 --> E[索子空收]
D --> F[拽近一大截]
F --> G[定身一拍半]
G --> H[索中加价 刀刀添八]
H --> A
E --> A

 fx-crest-lasso

-- @file CrestLasso.lua
-- 飞索擒纹 —— 索头一出 拖它近前三尺

local CrestLasso = {}

local CONST = {
    FLY_TIME      = 0.5,
    BIND_TIME     = 1.5,
    PULL_SPEED    = 90,
    BONUS_DMG     = 8,
    DMG_BASE      = 14,
    LASSO_CD      = 5,

    AUTOINC_BASE  = 1203800,
}

local _flying   = false
local _flyT     = 0
local _bound    = 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 CrestLasso.Bound() return _bound end
function CrestLasso.Dmg()
    if _bound > 0 then return CONST.DMG_BASE + CONST.BONUS_DMG end
    return CONST.DMG_BASE
end

-- 甩索: 航程开跑
function CrestLasso.Throw()
    if _cd > 0 then
        ShowTip("索子还在收——再等" .. math.ceil(_cd) .. "秒")
        return
    end
    _cd = CONST.LASSO_CD
    _flying = true
    _flyT = CONST.FLY_TIME
    ShowTip("索头出手——看它跑不跑得掉")
end

-- 航程终点: 套中结账
function CrestLasso.OnCatch()
    _bound = CONST.BIND_TIME
    ShowTip("套住了!拽近三尺——趁定身下重手")
end

if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
        if _bound > 0 then _bound = _bound - dt end
        if not _flying then return end
        _flyT = _flyT - dt
        if _flyT <= 0 then
            _flying = false
            CrestLasso.OnCatch()
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("甩索!", function()
        CrestLasso.Throw()
    end)
    ShowTip("技能已加载: 飞索擒纹")
end, 1.0)

function CrestLasso.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _flying = false
    _bound = 0
end

return CrestLasso