DanhengServer-OpenSource/Common/Data/Excel/MonsterDropExcel.cs

using EggLink.DanhengServer.Database.Inventory;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace EggLink.DanhengServer.Data.Excel
{
    [ResourceEntity("MonsterDrop.json")]
    public class MonsterDropExcel : ExcelResource
    {
        public int MonsterTemplateID { get; set; }
        public int WorldLevel { get; set; }
        public int AvatarExpReward { get; set; }

        public List<MonsterDropItem> DisplayItemList { get; set; } = [];

        [JsonIgnore]
        public List<MonsterDropItem> DropItemList { get; set; } = [];

        public override int GetId()
        {
            return MonsterTemplateID * 10 + WorldLevel;
        }

        public override void AfterAllDone()
        {
            foreach (var item in DisplayItemList)
            {
                GameData.ItemConfigData.TryGetValue(item.ItemID, out var config);
                if (config == null) continue;
                double mod = config.Rarity switch
                {
                    Enums.ItemRarityEnum.NotNormal => 0.8,
                    Enums.ItemRarityEnum.Rare => 0.3,
                    Enums.ItemRarityEnum.VeryRare => 0.125,
                    Enums.ItemRarityEnum.SuperRare => 0,
                    _ => 1,
                };
                double count = WorldLevel + 3;
                var maxCount = (int)(count * mod);
                var minCount = (int)(count * mod * 0.5);
                item.MinCount = minCount;
                item.MaxCount = maxCount;
                DropItemList.Add(item);
            }
            GameData.MonsterDropData.Add(GetId(), this);
        }

        public List<ItemData> CalculateDrop()
        {
            var result = new List<ItemData>();
            foreach (var item in DropItemList)
            {
                var count = Random.Shared.Next(item.MinCount, item.MaxCount + 1);
                result.Add(new ItemData()
                {
                    ItemId = item.ItemID,
                    Count = count,
                });
            }

            return result;
        }
    }

    public class MonsterDropItem
    {
        public int ItemID { get; set; }
        [JsonIgnore]
        public int MinCount { get; set; }
        [JsonIgnore]
        public int MaxCount { get; set; }
    }
}