纸鸢坠纹：鸢从天上来，线到刀到

flowchart TD
A[点放鸢] --> B[纸鸢天边入画]
B --> C[牵线俯坠]
C --> D{扎到头脸了吗}
D -- 扎中 --> E[二十二入账]
D -- 扎偏 --> F[收线归天]
E --> F
F --> G[八秒后再放]

 fx-crest-kite

-- @file CrestKite.lua
-- 纸鸢坠纹 —— 鸢从天上来 线到刀到

local CrestKite = {}

local CONST = {
    DIVE_TIME     = 1.1,
    BACK_TIME     = 0.5,
    DIVE_DMG      = 22,
    KITE_CD       = 8,

    AUTOINC_BASE  = 1206100,
}

local _flying   = false
local _t        = 0
local _back     = 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 CrestKite.Flying() return _flying end

-- 放鸢: 从天边入画
function CrestKite.Release()
    if _cd > 0 then
        ShowTip("线还没收完——再等" .. math.ceil(_cd) .. "秒")
        return
    end
    _cd = CONST.KITE_CD
    _flying = true
    _t = 0
    _back = false
    ShowTip("放鸢!——看它从天边扎下来")
end

-- 俯坠的终点锁头脸坐标
function CrestKite.OnDiveHit(headX, headY)
    ShowTip("扎头脸" .. CONST.DIVE_DMG .. "——线到刀到")
    return CONST.DIVE_DMG, headX, headY
end

if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if not _flying then return end
        _t = _t + dt
        if not _back and _t >= CONST.DIVE_TIME then
            _back = true
            CrestKite.OnDiveHit(
                SL:GetValue("mobHeadX") or 0,
                SL:GetValue("mobHeadY") or 0)
        end
        if _t >= CONST.DIVE_TIME + CONST.BACK_TIME then
            _flying = false
            ShowTip("鸢归天——八秒后再放")
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("放鸢!", function()
        CrestKite.Release()
    end)
    ShowTip("技能已加载: 纸鸢坠纹")
end, 1.0)

function CrestKite.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _flying = false
end

return CrestKite