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GameServer/Contents/Buff/PacketHandler/UseEquipedBuffPacketHandler.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+
+using static ClientToGameReq.Types;
+using static ClientToGameRes.Types;
+
+
+using META_ID = System.UInt32;
+
+
+namespace GameServer.PacketHandler;
+
+[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.UseEquipedBuffReq), typeof(UseEquipedBuffPacketHandler), typeof(GameLoginListener))]
+public class UseEquipedBuffPacketHandler : PacketRecvHandler
+{
+    public static bool send_S2C_ACK_USE_EQUIPED_BUFF(Player player, Result result)
+    {
+        var err_msg = string.Empty;
+
+        var ack_packet = new ClientToGame();
+        ack_packet.Response = new ClientToGameRes();
+
+        ack_packet.Response.ErrorCode = result.ErrorCode;
+        ack_packet.Response.UseEquipedBuffRes = new UseEquipedBuffRes();
+
+        if (false == GameServerApp.getServerLogic().onSendPacket(player, ack_packet))
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
+    {
+        var player = entityWithSession as Player;
+        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+        var req_msg = recvMessage as ClientToGame;
+        ArgumentNullReferenceCheckHelper.throwIfNull(req_msg, () => $"req_msg is null !!! - {player.toBasicString()}");
+        var request = req_msg.Request.UseEquipedBuffReq;
+        ArgumentNullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");
+
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var server_logic = GameServerApp.getServerLogic();
+
+        var buff_action = player.getEntityAction<BuffAction>();
+        NullReferenceCheckHelper.throwIfNull(buff_action, () => $"buff_action is null !!! - {player.toBasicString()}");
+
+        (result, var add_buff_attribute, var del_buff_attribute, var del_step_buff_attribute) = buff_action.UseEqipedBuff((META_ID)request.EquopedBuffId, request.EquipedBuffStep);
+        if (result.isFail())
+        {
+            err_msg = $"Failed to UseEqipedBuff() !!! : {result.toBasicString()} - {player.toBasicString()}";
+            Log.getLogger().error(err_msg);
+            send_S2C_ACK_USE_EQUIPED_BUFF(player, result);
+
+            return await Task.FromResult(result);
+        }
+
+        send_S2C_ACK_USE_EQUIPED_BUFF(player, result);
+        BuffNotifyHelper.send_S2C_NTF_USE_EQUIPED_BUFF(player, player.getUserGuid(), (META_ID)request.EquopedBuffId, request.EquipedBuffStep, request.EquipedBuffRandomState, request.ActionStartTime);
+        BuffNotifyHelper.send_S2C_NTF_DELETE_BUFF(player, del_step_buff_attribute);
+        BuffNotifyHelper.send_S2C_NTF_DELETE_BUFF(player, del_buff_attribute);
+        BuffNotifyHelper.send_S2C_NTF_START_BUFF(player, add_buff_attribute);
+        
+        return await Task.FromResult(result);
+    }
+
+    public override async Task onProcessPacketException(ISession entityWithSession, IMessage recvMessage
+                               , Result errorResult)
+    {
+        await Task.CompletedTask;
+
+        var player = entityWithSession as Player;
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!! - {entityWithSession.toBasicString()}");
+
+        send_S2C_ACK_USE_EQUIPED_BUFF(player, errorResult);
+    }
+}