提交示例代码

聊天系统课程代码/Server/Hotfix/Chat/System/ChatChannelCenterComponentSystem.cs

@@ -0,0 +1,49 @@
+using Fantasy.Entitas;
+using Fantasy.Entitas.Interface;
+
+#pragma warning disable CS8602 // Dereference of a possibly null reference.
+#pragma warning disable CS8601 // Possible null reference assignment.
+
+namespace Fantasy;
+
+public sealed class ChatChannelCenterComponentDestroySystem :  DestroySystem<ChatChannelCenterComponent>
+{
+    protected override void Destroy(ChatChannelCenterComponent self)
+    {
+        foreach (var chatChannelComponent in self.Channels.Values.ToArray())
+        {
+            chatChannelComponent.Dispose();
+        }
+        self.Channels.Clear();
+    }
+}
+
+public static class ChatChannelCenterComponentSystem
+{
+    public static ChatChannelComponent Apply(this ChatChannelCenterComponent self, long channelId)
+    {
+        if (self.Channels.TryGetValue(channelId, out var channel))
+        {
+            return channel;
+        }
+
+        channel = Entity.Create<ChatChannelComponent>(self.Scene, channelId, true, true);
+        self.Channels.Add(channelId, channel);
+        return channel;
+    }
+
+    public static bool TryGet(this ChatChannelCenterComponent self, long channelId, out ChatChannelComponent channel)
+    {
+        return self.Channels.TryGetValue(channelId, out channel);
+    }
+
+    public static void Disband(this ChatChannelCenterComponent self, long channelId)
+    {
+        if (self.Channels.Remove(channelId, out var channel))
+        {
+            return;
+        }
+
+        channel.Dispose();
+    }
+}