-- [[ 0. 版本更替与防多开系统 ]]
local SCRIPT_ID = "MyExclusiveHighlightSystem_2026"

-- 如果发现后台有正在运行的旧版本，通知它自毁
if _G[SCRIPT_ID] then
    _G[SCRIPT_ID]() -- 执行旧脚本的清理回调
end

-- 创建当前版本的自毁开关
local scriptActive = true
_G[SCRIPT_ID] = function()
    scriptActive = false -- 关闭循环
    -- 清理当前脚本产生的所有高亮，为新脚本腾地方
    if _G.CurrentManagedParts then
        for part, data in pairs(_G.CurrentManagedParts) do
            if data.highlight then data.highlight:Destroy() end
        end
    end
    print("[系统] 旧版本脚本已成功卸载并清理。")
end

---------------------------------------------------------

local player = game.Players.LocalPlayer
local myUsername = player.Name 

-- [[ 核心配置参数 ]]
local R15_PER_PART = false
local R6_PER_PART = true
local UNIQUE_NAME = "ManagedHighlight"

-- 获取血量颜色逻辑
local function getHealthColor(humanoid)
    local healthPercent = math.clamp(humanoid.Health / humanoid.MaxHealth, 0, 1)
    if humanoid.MaxHealth >= 9e9 or healthPercent >= 1 then
        return Color3.fromRGB(255, 255, 255) 
    elseif healthPercent > 0.5 then
        local t = (healthPercent - 0.5) / 0.5
        return Color3.fromRGB(255, 255, 0):Lerp(Color3.fromRGB(27, 252, 107), t)
    elseif healthPercent > 0 then
        local t = healthPercent / 0.5
        return Color3.fromRGB(255, 0, 0):Lerp(Color3.fromRGB(255, 255, 0), t)
    else
        return Color3.fromRGB(255, 0, 0) 
    end
end

-- 2. 全局安全管理池
_G.CurrentManagedParts = _G.CurrentManagedParts or {}
local managedParts = _G.CurrentManagedParts
local checkedCache = {} 

local function applyHighlight(target, model, isTool)
    if managedParts[target] then return end
    local data = {
        highlight = Instance.new("Highlight"),
        deathBurstHandled = false,
        sourceModel = model,
        feedbackTimer = isTool and 1.0 or 0
    }
    local h = data.highlight
    h.Name = UNIQUE_NAME
    h.DepthMode = Enum.HighlightDepthMode.Occluded
    h.FillTransparency = 0 
    h.OutlineTransparency = 0
    h.FillColor = Color3.fromRGB(255, 255, 255)
    h.OutlineColor = Color3.fromRGB(255, 255, 255)
    h.Adornee = target
    h.Parent = target
    managedParts[target] = data
end

-- 3. 瞬时拦截核心：当有任何新 Highlight 产生时立即处理
local function handleNewDescendant(obj)
    -- 【动态强杀】：如果是别的高亮，在生成的这一帧直接抹除
    if obj:IsA("Highlight") and obj.Name ~= UNIQUE_NAME then
        -- 延迟一丁点时间确保完全避开引擎死锁漏洞并彻底粉碎
        task.defer(function()
            if obj and obj.Parent then obj:Destroy() end
        end)
        return
    end

    -- 慢速判定的目标部分（依然走单次缓存判断）
    if not checkedCache[obj] then
        checkedCache[obj] = true
        local model = (obj:IsA("Model") and obj) or (obj:IsA("BasePart") and obj:FindFirstAncestorOfClass("Model"))
        if model then
            local hum = model:FindFirstChildOfClass("Humanoid")
            local isMatch = model.Name:find(myUsername) or (hum and (hum.DisplayName:find(myUsername) or hum.Name:find(myUsername)))
            
            if isMatch then
                local usePerPart = hum and ((hum.RigType == Enum.HumanoidRigType.R15 and R15_PER_PART) or (hum.RigType == Enum.HumanoidRigType.R6 and R6_PER_PART))
                if usePerPart then
                    if obj:IsA("BasePart") then applyHighlight(obj, model, obj:FindFirstAncestorOfClass("Tool") ~= nil) end
                else
                    if obj == model then applyHighlight(model, model, false) end
                end
            end
        end
    end
end

-- 绑定动态瞬时监听
local descendantConnection = game.Workspace.DescendantAdded:Connect(handleNewDescendant)

-- 初始扫描（顺便清理地图本就存在的杂余高亮）
for _, v in ipairs(game.Workspace:GetDescendants()) do
    task.spawn(handleNewDescendant, v)
end

-- 4. 核心渲染控制循环（带自毁检测）
task.spawn(function()
    local t_rainbow = 0 
    local t_death = 0   

    while scriptActive do
        for part, data in pairs(managedParts) do
            if not part:IsDescendantOf(game.Workspace) then
                if data.highlight then data.highlight:Destroy() end
                managedParts[part] = nil
                checkedCache[part] = nil
            else
                local h = data.highlight
                local hum = data.sourceModel:FindFirstChildOfClass("Humanoid")
                local isDead = hum and hum.Health <= 0
                local inWhiteMode = data.sourceModel:FindFirstChildOfClass("ForceField") or (hum and hum.MaxHealth >= 9e9)
                
                if data.feedbackTimer > 0 then data.feedbackTimer = math.max(0, data.feedbackTimer - 0.05) end

                if isDead then
                    if not data.deathBurstHandled then
                        h.FillColor = Color3.fromRGB(255, 255, 255)
                        h.OutlineColor = Color3.fromRGB(255, 255, 255)
                        data.deathBurstHandled = true
                    end
                    t_death = t_death + 0.35
                    local targetOutline = Color3.fromRGB(255, 0, 0):Lerp(Color3.fromRGB(255, 0, 150), (math.sin(t_death) + 1) / 2)
                    h.OutlineColor = h.OutlineColor:Lerp(targetOutline, 0.15)
                    h.FillColor = h.FillColor:Lerp(Color3.fromRGB(120, 0, 10):Lerp(targetOutline, 0.1), 0.03)
                
                elseif inWhiteMode then
                    local r, g, b = math.sin(t_rainbow)*127+128, math.sin(t_rainbow+2)*127+128, math.sin(t_rainbow+4)*127+128
                    h.FillColor = h.FillColor:Lerp(Color3.fromRGB(255, 255, 255), 0.2)
                    h.OutlineColor = h.OutlineColor:Lerp(Color3.fromRGB(r, g, b):Lerp(Color3.fromRGB(255, 255, 255), data.feedbackTimer), 0.2)
                    data.deathBurstHandled = false
                else
                    local hColor = hum and getHealthColor(hum) or Color3.fromRGB(255, 255, 255)
                    h.FillColor = h.FillColor:Lerp(Color3.fromRGB(0, 0, 0):Lerp(Color3.fromRGB(255, 255, 255), data.feedbackTimer), 0.04)
                    h.OutlineColor = h.OutlineColor:Lerp(hColor:Lerp(Color3.fromRGB(255, 255, 255), data.feedbackTimer), 0.12)
                    data.deathBurstHandled = false
                end
            end
        end
        t_rainbow = t_rainbow + 0.1
        task.wait(0.02)
    end
    
    -- 当通知自毁后，断开全局动态监听，防止死灰复燃
    if descendantConnection then
        descendantConnection:Disconnect()
    end
end)