PGRData/Resources/Scripts/XManager/XLoadingManager.lua

LoadingType = {
    Fight = "10101", --战斗
    Dormitory = "902", --宿舍
}

XLoadingManagerCreator = function()

    local XLoadingManager = {}


    --初始化
    function XLoadingManager.Init()

    end

    --根据类型以及权重取出loading的tab数据
    function XLoadingManager.GetLoadingTab(type)

        if not type then
            return
        end

        local loadingList = XLoadingConfig.GetCfgByType(type)

        if not loadingList then
            XLog.Error("不存在该类型的LoadingList配置，type =", type)
            return
        end

        local count = #loadingList

        if count == 0 then
            XLog.Error("不存在该类型的LoadingList配置，type =", type)
            return
        end

        --只有一个直接返回
        if count == 1 then
            return loadingList[1]
        end

        --打乱数组
        for i = 1, count do
            if i < count then
                local temp = loadingList[i]
                local next = i + 1
                local swapIndex = math.random(next, count)
                loadingList[i] = loadingList[swapIndex]
                loadingList[swapIndex] = temp
            end
        end

        --根据权重获取
        local TotalWeight = 0

        --先计算权重总和
        for _, v in ipairs(loadingList) do
            TotalWeight = TotalWeight + v.Weight
        end

        local maxValue = 0
        local index = 1

        --选择权重最高的值
        for k, v in ipairs(loadingList) do
            local weight = math.random(0, TotalWeight)
            weight = weight + v.Weight
            if maxValue < weight then
                maxValue = weight
                index = k
            end
        end

        return loadingList[index]
    end


    XLoadingManager.Init()

    return XLoadingManager

end