罩门：罩门亮时下重手，打点上了双倍

 fx-gatespot

-- @file GateSpot.lua
-- 罩门 —— 罩门亮时下重手，打点上了双倍

local GateSpot = {}

local CONST = {
    BRIGHT_LINE   = 0.65,
    BREATH_CYCLE  = 2.0,
    MOVE_CYCLE    = 3.0,
    CRIT_AMP      = 2.0,
    TAP_CD        = 2.0,

    COLOR_SPOT    = "#e0a838",
    COLOR_DEEP    = "#583810",
    COLOR_GHOST   = "#f8e0a8",

    ZORDER_SPOT   = 132,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1009000,
}

local _spotT     = 0
local _bright    = 0
local _cdLeft    = 0
local _spotFx    = nil
local _scheduler = nil
local _autoInc   = 0

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

local function CreateSpotFx()
    local tid = SL:GetValue("MARK_TARGET_ID")
    local tp = GetActorPos(tid)
    if not tp then return nil end
    local node = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Spot"), tp.x, tp.y - 78, 0, 0, false)
    GUI:setLocalZOrder(node, CONST.ZORDER_SPOT)
    return node
end

function GateSpot.Attach()
    SafeRemove(_spotFx)
    _spotFx = CreateSpotFx()
    _spotT = CONST.MOVE_CYCLE
    SL:PlaySpotUpFx(SL:GetValue("MARK_TARGET_ID"))
    ShowTip("罩门现了——三秒一挪，亮最亮那拍出手")
end

-- 破罩出口：读亮拍定双倍
function GateSpot.Tap()
    if _cdLeft > 0 then
        ShowTip("手在抬——" .. string.format("%.1f", _cdLeft) .. "秒")
        return
    end
    _cdLeft = CONST.TAP_CD
    local tid = SL:GetValue("MARK_TARGET_ID")
    local tp = GetActorPos(tid)
    if not tp then return end
    if _bright >= CONST.BRIGHT_LINE then
        local out = math.floor(10 * CONST.CRIT_AMP)
        SL:ActorHurt(tid, out)
        SL:TipAbove(tid, "破罩-" .. out)
        SL:PlaySpotBreakFx(tid)
        SL:ScreenShake(2.8, 0.18)
        ShowTip("打点上了——双倍二十入账")
        GateSpot.Attach()
    else
        SL:ActorHurt(tid, 10)
        SL:TipAbove(tid, "-10")
        ShowTip("没打上点——罩门暗着，等它亮最亮那拍")
    end
end

-- 定时器：呼吸线推进与挪窝重置
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _spotFx then
            _bright = 0.5 + 0.5 * math.sin(
                SL:GetTime() * 6.28 / CONST.BREATH_CYCLE)
            _spotT = _spotT - dt
            local tid = SL:GetValue("MARK_TARGET_ID")
            local tp = tid and GetActorPos(tid)
            if _spotFx and tp then
                GUI:setPosition(_spotFx, tp.x, tp.y - 78)
            end
            if not tp then
                SafeRemove(_spotFx)
            elseif _spotT <= 0 then
                _spotT = CONST.MOVE_CYCLE
                ShowTip("罩门挪窝了——重新找它亮的那一拍")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("破罩", function()
        GateSpot.Tap()
    end)
    ShowTip("技能已加载: 罩门 (调试按钮触发)")
end, 1.0)

function GateSpot.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SafeRemove(_spotFx)
end

return GateSpot