空城疑纹：你越不打，它越心虚

 fx-emptyfort

-- @file EmptyFort.lua
-- 空城疑纹 —— 你越不打，它越心虚

local EmptyFort = {}

local CONST = {
    CREST_LIFE    = 12.0,
    CREST_CD      = 4.0,
    FORT_LIFE     = 3.0,
    DOUBT_LIFE    = 3.0,
    CALM_HIT      = 15,
    BASE_HIT      = 12,

    COLOR_FORT    = "#8898a8",
    COLOR_DEEP    = "#2e3848",
    COLOR_GHOST   = "#c8d8e8",

    ZORDER_FORT   = 133,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1131000,
}

local _crestT    = 0
local _cdLeft    = 0
local _idleT     = 0
local _doubtT    = 0
local _crestFx   = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "EMF",
        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 SafeRemove(node)
    if node and not GUI:Widget_IsNull(node) then
        GUI:removeFromParent(node)
    end
end

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

function EmptyFort.Doubtful()
    return _doubtT > 0
end

-- 破绽结算：疑心期的刀走敞门档
SL:RegisterLUAEvent(LUA_EVENT_MELEE_DAMAGE, "EMF_Open", function()
    if not EmptyFort.Doubtful() then return 0 end
    return CONST.CALM_HIT - CONST.BASE_HIT
end)

-- 疑心标记：自带生命周期，清除不挂在别处
SL:RegisterLUAEvent(LUA_EVENT_BEFORE_HURT, "EMF_Calm", function(dmg)
    if not EmptyFort.Doubtful() then return dmg end
    return math.floor(dmg / 2)
end)

function EmptyFort.Cast()
    if _cdLeft > 0 or _crestT > 0 then return end
    local myID = SL:GetValue("USER_ID")
    _cdLeft = CONST.CREST_CD
    _crestT = CONST.CREST_LIFE
    _idleT = 0
    _doubtT = 0
    SafeRemove(_crestFx)
    _crestFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Fort"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_crestFx, CONST.ZORDER_FORT)
    SL:PlayFortUpFx(myID)
    ShowTip("城门开了——三秒不还手，它就犯疑")
end

-- 定时器：空城计时、疑心倒计时与标记自清
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _crestT > 0 then
            _crestT = _crestT - dt
            if _doubtT > 0 then
                _doubtT = _doubtT - dt
                if _doubtT <= 0 then
                    ShowTip("它回过神了——破绽合上了")
                end
            else
                _idleT = _idleT + dt
                if _idleT >= CONST.FORT_LIFE then
                    _idleT = 0
                    _doubtT = CONST.DOUBT_LIFE
                    SL:PlayDoubtFx(SL:GetValue("MARK_TARGET_ID"))
                    ShowTip("它犯疑了——下一爪软一半，破绽露三秒")
                end
            end
            if _crestT <= 0 then
                _doubtT = 0
                SafeRemove(_crestFx)
                ShowTip("城门关了——疑心散了")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("空城", function()
        EmptyFort.Cast()
    end)
    ShowTip("技能已加载: 空城纹 (调试按钮触发)")
end, 1.0)

function EmptyFort.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_MELEE_DAMAGE, "EMF_Open")
    SL:UnregisterLUAEvent(LUA_EVENT_BEFORE_HURT, "EMF_Calm")
    SafeRemove(_crestFx)
    _crestT = 0
    _doubtT = 0
end

return EmptyFort