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GameServer/Global/Land/LandManager.cs

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+using Grpc.Core;
+using MetaAssets;
+using ServerCommon;
+using ServerCore; using ServerBase;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameServer
+{
+    public class LandManager
+    {
+        ConcurrentDictionary<int, Land> m_lands = new();
+
+
+        public async Task<Result> loadLands()
+        {
+            var result = new Result();
+            var err_msg = string.Empty;
+
+            var land_meta_ids = MapManager.Instance.getLandMetaIds();
+            foreach (var land_meta_id in land_meta_ids)
+            {
+                var land = new Land();
+                await land.onInit();
+
+                m_lands.TryAdd(land_meta_id, land);
+
+                var land_action = land.getEntityAction<LandAction>();
+                NullReferenceCheckHelper.throwIfNull(land_action, () => $"land_action is null !!!");
+
+                result = await land_action.tryLoadLandFromDb(land_meta_id);
+                if (result.isFail())
+                {
+                    err_msg = $"Failed to tryLoadLandFromDb() !!! : {result.toBasicString()}";
+                    Log.getLogger().error(err_msg);
+
+                    return result;
+                }
+            }
+
+            return result;
+        }
+
+        public bool tryGetLand(int landMetaId, [MaybeNullWhen(false)] out Land land)
+        {
+            return m_lands.TryGetValue(landMetaId, out land);
+        }
+
+        public async Task<List<LandInfo>> getLandInfos()
+        {
+            var land_infos = new List<LandInfo>();
+
+            foreach (var land in m_lands.Values)
+            {
+                var land_info = await land.toLandInfo();
+                if (land_info.LandMetaId == 0)
+                    continue;
+
+                land_infos.Add(land_info);
+            }
+
+            return land_infos;
+        }
+    }
+}