NetTextModule.cs

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using System.IO;
using Microsoft.Xna.Framework;
using Terraria.Chat;
using Terraria.Localization;
using Terraria.Net;
using Terraria.UI.Chat;
 
namespace Terraria.GameContent.NetModules;
 
public class NetTextModule : NetModule
{
    public static NetPacket SerializeClientMessage(ChatMessage message)
    {
        NetPacket result = NetModule.CreatePacket<NetTextModule>(message.GetMaxSerializedSize());
        message.Serialize(result.Writer);
        return result;
    }
 
    public static NetPacket SerializeServerMessage(NetworkText text, Color color)
    {
        return SerializeServerMessage(text, color, byte.MaxValue);
    }
 
    public static NetPacket SerializeServerMessage(NetworkText text, Color color, byte authorId)
    {
        NetPacket result = NetModule.CreatePacket<NetTextModule>(1 + text.GetMaxSerializedSize() + 3);
        result.Writer.Write(authorId);
        text.Serialize(result.Writer);
        result.Writer.WriteRGB(color);
        return result;
    }
 
    private bool DeserializeAsClient(BinaryReader reader, int senderPlayerId)
    {
        byte messageAuthor = reader.ReadByte();
        NetworkText text = NetworkText.Deserialize(reader);
        Color color = reader.ReadRGB();
        ChatHelper.DisplayMessage(text, color, messageAuthor);
        return true;
    }
 
    private bool DeserializeAsServer(BinaryReader reader, int senderPlayerId)
    {
        ChatMessage message = ChatMessage.Deserialize(reader);
        ChatManager.Commands.ProcessIncomingMessage(message, senderPlayerId);
        return true;
    }
 
    public override bool Deserialize(BinaryReader reader, int senderPlayerId)
    {
        if (Main.dedServ)
        {
            return DeserializeAsServer(reader, senderPlayerId);
        }
        return DeserializeAsClient(reader, senderPlayerId);
    }
}