偷艺手：伸手摘它一枚增益，戴自己头上

 fx-arttheft

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-- @file        ArtTheft.lua
-- @brief       偷艺手 —— 伸手摘它一枚增益，戴自己头上
--              客户端表现模块：配置表 / 嚎锋双构件 / 过户状态机 / 定时器
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local ArtTheft = {}

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-- 配置与常量
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local CONST = {
    ROAR_LIFE     = 6.0,        -- 赤嚎六秒
    ROAR_GAP      = 6.0,        -- 六秒一挂
    ROAR_AMP      = 1.4,        -- 赤嚎加伤四成
    THEFT_CD      = 5.0,        -- 偷艺冷却
    BLUE_AMP      = 1.46,       -- 青锋加成四成六

    -- 颜色
    COLOR_BLUE    = "#8fd0b8",  -- 偷青
    COLOR_DEEP    = "#1f6f5f",  -- 深青
    COLOR_GHOST   = "#e0f5ec",  -- 手白
    COLOR_ROAR    = "#ff7b72",  -- 赤嚎红

    ZORDER_GROUND = 118,
    ZORDER_AURA   = 132,
    ZORDER_EFFECT = 135,

    AUTOINC_BASE  = 952000,
}

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-- 模块内部状态
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local _roarT      = 0              -- 赤嚎余时
local _blueT      = 0              -- 青锋余时
local _roarGap    = 6.0            -- 挂嚎节拍
local _cdLeft     = 0
local _scheduler  = nil
local _autoInc    = 0

local m_cos = math.cos
local m_sin = math.sin

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-- 辅助函数
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local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "ATH", CONST.AUTOINC_BASE + _autoInc)
end

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

---双构件：赤嚎红环与青锋青环共用一套画法换色
local function CreateAuraNode(color)
    local node = GUI:Layout_Create(GUI:Attach_SceneF(), GenID("Aura"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(node, CONST.ZORDER_AURA)
    for i = 1, 24 do
        local a1 = (i - 1) / 24 * 6.28
        local a2 = i / 24 * 6.28
        GUI:DrawLine_Create(node, string.format("a_%d", i), 0, 0, 2.5,
            m_cos(a1) * 28, m_sin(a1) * 50, m_cos(a2) * 28, m_sin(a2) * 50,
            color, 200)
    end
    return node
end

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-- 偷艺入口：过户
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function ArtTheft.Cast()
    if _cdLeft > 0 then return end
    if _roarT <= 0 then
        ShowTip("它头上没货——等它先挂嚎")
        return
    end
    if _blueT > 0 then
        ShowTip("你头上已有一枚——先戴完")
        return
    end
    _cdLeft = CONST.THEFT_CD
    _blueT = _roarT
    _roarT = 0
    SL:TipAbove(SL:GetValue("MARK_TARGET_ID"), "被摘！")
    SL:TipAboveMe("青锋 " .. math.floor(_blueT) .. "s")
    SL:PlayTransferFx()
end

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-- 双改写通道
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local function FoeHit(base)
    if _roarT > 0 then return math.round(base * CONST.ROAR_AMP) end
    return base
end

local function MyHit(base)
    if _blueT > 0 then return math.round(base * CONST.BLUE_AMP) end
    return base
end

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-- 定时器：双环计时与挂嚎节拍
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if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _roarT > 0 then
            _roarT = _roarT - dt
            if _roarT <= 0 then ShowTip("赤嚎自己到期了——这一枚没偷成") end
        end
        if _blueT > 0 then
            _blueT = _blueT - dt
            if _blueT <= 0 then ShowTip("青锋到期——等它下一枚嚎") end
        end
        _roarGap = _roarGap - dt
        if _roarGap <= 0 and _roarT <= 0 and _blueT <= 0 then
            _roarGap = CONST.ROAR_GAP
            _roarT = CONST.ROAR_LIFE
            SL:TipAbove(SL:GetValue("MARK_TARGET_ID"), "赤嚎！")
            ShowTip("它给自己挂赤嚎了——趁红嚎在，伸手")
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    ShowTip("技能已加载: 偷艺手 (调试按钮触发)")
end, 1.0)

return ArtTheft