抢拍：两刀压进它一拍，第二刀震它趔趄

 fx-outtempo

-- @file OutTempo.lua
-- 抢拍 —— 比它快一拍，第二刀震它一个趔趄

local OutTempo = {}

local CONST = {
    FOE_BEAT      = 2.2,
    MY_BEAT       = 1.0,
    BEAT_NEED     = 2,
    STAGGER_TIME  = 1.0,
    STAGGER_AMP   = 2.0,
    HURRY_CD      = 4.0,

    COLOR_BEAT    = "#a85838",
    COLOR_DEEP    = "#4e2010",
    COLOR_GHOST   = "#f0c0a8",

    ZORDER_BEAT   = 132,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1044000,
}

local _beat      = 0
local _stunT     = 0
local _cdLeft    = 0
local _beatFx    = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "OTP",
        CONST.AUTOINC_BASE + _autoInc)
end

local function GetActorPos(id)
    if not id then return nil end
    local x = SL:GetValue("ACTOR_POSITION_X", id)
    local y = SL:GetValue("ACTOR_POSITION_Y", id)
    if not x or not y then return nil end
    return { x = x, y = y }
end

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

local function StaggerFoe(tid)
    _stunT = CONST.STAGGER_TIME
    _beat = 0
    SL:PlayStaggerFx(tid)
    SL:TipAbove(tid, "趔趄")
    ShowTip("比它快一拍——震它一个趔趄，双倍入账")
end

function OutTempo.Hurry()
    if _cdLeft > 0 then
        ShowTip("拍在手——" .. string.format("%.1f", _cdLeft) .. "秒")
        return
    end
    _cdLeft = CONST.HURRY_CD
    SL:HurryMySwing()
    SL:TipAboveMe("抢拍！")
    ShowTip("抢拍了——两刀压进它一拍里")
end

-- 压拍判定：一拍里的第二刀震趔趄
SL:RegisterLUAEvent(LUA_EVENT_MELEE_HIT, "OTP_Beat", function(tid)
    if _stunT > 0 or not tid or tid ~= SL:GetValue("MARK_TARGET_ID") then
        _beat = 0
        return 0
    end
    _beat = _beat + 1
    if _beat >= CONST.BEAT_NEED then
        _stunT = CONST.STAGGER_TIME
        SL:PlayStaggerFx(tid)
        SL:TipAbove(tid, "趔趄")
        _beat = 0
        return CONST.BASE_DMG
    end
    ShowTip("第一刀落了——紧接着补第二刀")
    return 0
end)

-- 趔趄出口：趔趄里的刀翻倍
SL:RegisterLUAEvent(LUA_EVENT_BEFORE_HURT, "OTP_Amp", function(tid, dmg)
    if _stunT > 0 and tid == SL:GetValue("MARK_TARGET_ID") then
        return math.floor(dmg * CONST.STAGGER_AMP)
    end
    return dmg
end)

-- 定时器：趔趄倒计时
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _stunT > 0 then
            _stunT = _stunT - dt
            if _stunT <= 0 then
                ShowTip("它站稳了——接着抢拍")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("抢拍", function()
        OutTempo.Hurry()
    end)
    ShowTip("技能已加载: 抢拍 (调试按钮触发)")
end, 1.0)

function OutTempo.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_MELEE_HIT, "OTP_Beat")
    SL:UnregisterLUAEvent(LUA_EVENT_BEFORE_HURT, "OTP_Amp")
    _beat = 0
    _stunT = 0
end

return OutTempo