nightward/Assets/ResWork/Table/table_gacharateconfig.cs

using GUPS.AntiCheat.Protected;
using Newtonsoft.Json;
using System.Collections.Generic;

public class gacharateconfigtabledata
{
    protected ProtectedInt32 _n_GachaGrade;
    public int n_GachaGrade
    {
        get { return _n_GachaGrade; }
        set { _n_GachaGrade = value; _n_GachaGrade.Obfuscate(); }
    }

    protected ProtectedInt32 _n_GachaGradeRate;
    public int n_GachaGradeRate
    {
        get { return _n_GachaGradeRate; }
        set { _n_GachaGradeRate = value; _n_GachaGrade.Obfuscate(); }
    }
}

public class table_gacharateconfig : table_base
{
    public static table_gacharateconfig Ins;

    List<gacharateconfigtabledata> tableDatas;

    protected override void Awake()
    {
        Ins = this;
        base.Awake();
    }

    protected override void Start()
    {
        tableDatas = JsonConvert.DeserializeObject<List<gacharateconfigtabledata>>(json_last);
        base.Start();
    }

    public gacharateconfigtabledata Get_RadomData()
    {
        if (tableDatas == null || tableDatas.Count == 0)
            return null;

        List<gacharateconfigtabledata> targetList = tableDatas;

        if (SaveMgr.Ins.GachaChargeTime_Reduce())
        {
            int minGrade = int.MaxValue;
            for (int i = 0; i < tableDatas.Count; i++)
            {
                if (tableDatas[i].n_GachaGrade < minGrade)
                    minGrade = tableDatas[i].n_GachaGrade;
            }

            var filtered = new List<gacharateconfigtabledata>();
            for (int i = 0; i < tableDatas.Count; i++)
            {
                if (tableDatas[i].n_GachaGrade > minGrade)
                    filtered.Add(tableDatas[i]);
            }

            if (filtered.Count > 0)
                targetList = filtered;
        }

        int totalRate = 0;
        foreach (var data in targetList)
        {
            totalRate += data.n_GachaGradeRate;
        }

        // 1 ~ totalRate
        int rand = UnityEngine.Random.Range(1, totalRate + 1);

        int cumulative = 0;
        foreach (var data in targetList)
        {
            cumulative += data.n_GachaGradeRate;
            if (rand <= cumulative)
                return data;
        }

        // fallback
        return targetList[targetList.Count - 1];
    }
}