完善client agent

LocalPackages/com.nimin.network/Runtime/ClientAgent.cs

@@ -5,16 +5,87 @@ namespace GameCore.Network
 {
     public struct ClientAgent : IDisposable
     {
-        private NativeList<int> dirtySet;
-        
+        private struct Entry
+        {
+            public int srcIndex;
+            public int generation;
+            public int confirmedFrameId;
+            public int deleteFrameId;
+            public bool inView;
+        }
+
+        private NativeList<Entry> entryList;
+        private NativeHashMap<int, int> entryIndexMap;
+        private NativeList<int> dirtyList;
+        private NativeList<byte> tempBuffer;
+
+        public ClientAgent(AllocatorManager.AllocatorHandle allocator)
+        {
+            entryList = new NativeList<Entry>(allocator) { default };
+            entryIndexMap = new NativeHashMap<int, int>(16, allocator);
+
+            dirtyList = new NativeList<int>(allocator);
+            tempBuffer  = new NativeList<byte>(allocator);
+        }
+
         public void Dispose()
         {
-            //TODO
+            entryList.Dispose();
+            entryIndexMap.Dispose();
+            dirtyList.Dispose();
+            tempBuffer.Dispose();
         }
 
         public void UpdateDirtySet(NetDatabase.Snapshot netDatabase, int frameId)
         {
+            // clear inView flag
+            for (int i = 1, l = entryList.Length; i < l; ++i)
+            {
+                entryList.ElementAt(i).inView = false;
+            }
+
+            var tempIntList = dirtyList;
+            tempIntList.Clear();
+
+            // 收集旧视野中的东西，包括等待删除的 entity
+            for (int i = 1, l = entryList.Length; i < l; ++i)
+            {
+                ref readonly var entry = ref entryList.ElementAt(i);
+
+                if (entry.srcIndex == 0)
+                {
+                    //TODO
+                }
+                else
+                {
+                    tempIntList.Add(i);
+                }
+            }
+
+            var oldInViewCount = tempIntList.Length;
             
+            netDatabase.GatherNetDataIndex(tempIntList);
+            
+            // 遍历 tempIntList 中新视野部分 （oldInViewCount 之后）
+            {
+                var j = oldInViewCount;
+                for (int i = oldInViewCount, l = tempIntList.Length; i < l; ++i)
+                {
+                    var srcIndex = tempIntList[i];
+                    if (entryIndexMap.TryGetValue(srcIndex, out var index))
+                    {
+                        entryList.ElementAt(index).inView = true;
+                    }
+                    else
+                    {
+                        tempIntList[j++] = srcIndex;
+                    }
+                }
+                tempIntList.Resize(j, NativeArrayOptions.UninitializedMemory);
+            }
+
+            //TODO
+
         }
     }
 }