金身咒：两秒刀枪不入，但手脚也钉死

 fx-goldbody

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-- @file        GoldBody.lua
-- @brief       金身咒 —— 两秒刀枪不入，但手脚也钉死
--              客户端表现模块：配置表 / 佛光构件 / 免伤冻结 / 定时器
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local GoldBody = {}

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-- 配置与常量
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local CONST = {
    GOLD_LIFE     = 2.0,        -- 金身两秒
    GOLD_CD       = 9.0,        -- 冷却九秒
    FREEZE_ATK    = true,       -- 金身期冻结攻击

    -- 颜色
    COLOR_GOLD    = "#e3b341",  -- 身金
    COLOR_DEEP    = "#7a5a12",  -- 佛金
    COLOR_LIGHT   = "#fff8e1",  -- 光白

    ZORDER_GROUND = 118,
    ZORDER_SHELL  = 134,
    ZORDER_EFFECT = 135,

    AUTOINC_BASE  = 928000,
}

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-- 模块内部状态
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local _goldT     = 0              -- 金身余时
local _cdLeft    = 0              -- 冷却余量
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 "GBD", CONST.AUTOINC_BASE + _autoInc)
end

local function GetMyPos()
    local x = SL:GetValue("ACTOR_POSITION_X", SL:GetValue("USER_ID"))
    local y = SL:GetValue("ACTOR_POSITION_Y", SL:GetValue("USER_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

---佛光蛋壳：双层椭圆壳
local function CreateShellNode()
    local mp = GetMyPos()
    if not mp then return end
    local node = GUI:Layout_Create(GUI:Attach_SceneF(), GenID("Shell"),
        mp.x, mp.y - 48, 0, 0, false)
    GUI:setLocalZOrder(node, CONST.ZORDER_SHELL)
    for i = 1, 30 do
        local a1 = (i - 1) / 30 * 6.28
        local a2 = i / 30 * 6.28
        GUI:DrawLine_Create(node, string.format("in_%d", i), 0, 0, 2,
            m_cos(a1) * 30, m_sin(a1) * 58, m_cos(a2) * 30, m_sin(a2) * 58,
            CONST.COLOR_LIGHT, 190)
    end
    for i = 1, 20 do
        local a1 = (i - 1) / 20 * 6.28
        local a2 = i / 20 * 6.28
        GUI:DrawLine_Create(node, string.format("out_%d", i), 0, 0, 3,
            m_cos(a1) * 34, m_sin(a1) * 64, m_cos(a2) * 34, m_sin(a2) * 64,
            CONST.COLOR_GOLD, 150)
    end
    return node
end

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-- 金身开关
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local function Gold_Open(shellBag)
    _goldT = CONST.GOLD_LIFE
    _cdLeft = CONST.GOLD_CD
    shellBag[#shellBag + 1] = CreateShellNode()
    SL:TipAboveMe("金身！")
    SL:ScreenShake(2.5, 0.18)
end

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-- 免伤闸门：扣血入口最前的一道关
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local function OnPlayerHurt(raw)
    if _goldT > 0 then
        SL:TipAboveMe("免疫")
        return
    end
    SL:PlayerHurt(raw)
end

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-- 攻击冻结：攻击入口的对称闸门
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local function Attack_Gate()
    if CONST.FREEZE_ATK and _goldT > 0 then
        return false
    end
    return true
end

function GoldBody.CanAttack()
    return Attack_Gate()
end

function GoldBody.Cast(shellBag)
    if _cdLeft > 0 or _goldT > 0 then return end
    Gold_Open(shellBag)
end

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-- 定时器与调试
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if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _goldT > 0 then
            _goldT = _goldT - dt
            if _goldT <= 0 then
                ShowTip("金身散了——这两秒的输出账要补回来")
            end
        end
    end, 0.02)
end

SL:RegisterLUAEvent(LUA_EVENT_LOCAL_HURT, "GBD_Hurt", function(data)
    if data and data.raw then
        OnPlayerHurt(data.raw)
    end
end)

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

return GoldBody