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using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Reflection;
using Harmony;
using Lidgren.Network;
using StardewModdingAPI.Framework;
using StardewModdingAPI.Framework.Networking;
using StardewModdingAPI.Framework.Patching;
using StardewValley;
using StardewValley.Network;
namespace StardewModdingAPI.Patches
{
/// <summary>A Harmony patch to let SMAPI override <see cref="LidgrenServer"/> methods.</summary>
internal class LidgrenServerPatch : IHarmonyPatch
{
/*********
** Accessors
*********/
/// <summary>A unique name for this patch.</summary>
public string Name => $"{nameof(LidgrenServerPatch)}";
/*********
** Public methods
*********/
/// <summary>Apply the Harmony patch.</summary>
/// <param name="harmony">The Harmony instance.</param>
public void Apply(HarmonyInstance harmony)
{
// override parseDataMessageFromClient
{
MethodInfo method = AccessTools.Method(typeof(LidgrenServer), "parseDataMessageFromClient");
MethodInfo prefix = AccessTools.Method(this.GetType(), nameof(LidgrenServerPatch.Prefix_LidgrenServer_ParseDataMessageFromClient));
harmony.Patch(method, new HarmonyMethod(prefix), null);
}
// override sendMessage
{
MethodInfo method = typeof(LidgrenServer).GetMethod("sendMessage", BindingFlags.NonPublic | BindingFlags.Instance, null, new [] { typeof(NetConnection), typeof(OutgoingMessage) }, null);
MethodInfo prefix = AccessTools.Method(this.GetType(), nameof(LidgrenServerPatch.Prefix_LidgrenServer_SendMessage));
harmony.Patch(method, new HarmonyMethod(prefix), null);
}
}
/*********
** Private methods
*********/
/// <summary>The method to call instead of the <see cref="LidgrenServer.parseDataMessageFromClient"/> method.</summary>
/// <param name="__instance">The instance being patched.</param>
/// <param name="dataMsg">The raw network message to parse.</param>
/// <param name="___peers">The private <c>peers</c> field on the <paramref name="__instance"/> instance.</param>
/// <param name="___gameServer">The private <c>gameServer</c> field on the <paramref name="__instance"/> instance.</param>
/// <returns>Returns whether to execute the original method.</returns>
/// <remarks>This method must be static for Harmony to work correctly. See the Harmony documentation before renaming arguments.</remarks>
[SuppressMessage("ReSharper", "InconsistentNaming", Justification = "Argument names are defined by Harmony.")]
private static bool Prefix_LidgrenServer_ParseDataMessageFromClient(LidgrenServer __instance, NetIncomingMessage dataMsg, Bimap<long, NetConnection> ___peers, IGameServer ___gameServer)
{
if (__instance is SLidgrenServer smapiServer)
{
smapiServer.ParseDataMessageFromClient(dataMsg);
return false;
}
return true;
}
/// <summary>The method to call instead of the <see cref="LidgrenServer.sendMessage"/> method.</summary>
/// <param name="__instance">The instance being patched.</param>
/// <param name="connection">The connection to which to send the message.</param>
/// <param name="___peers">The private <c>peers</c> field on the <paramref name="__instance"/> instance.</param>
/// <param name="___gameServer">The private <c>gameServer</c> field on the <paramref name="__instance"/> instance.</param>
/// <returns>Returns whether to execute the original method.</returns>
/// <remarks>This method must be static for Harmony to work correctly. See the Harmony documentation before renaming arguments.</remarks>
[SuppressMessage("ReSharper", "InconsistentNaming", Justification = "Argument names are defined by Harmony.")]
private static bool Prefix_LidgrenServer_SendMessage(LidgrenServer __instance, NetConnection connection, OutgoingMessage message, Bimap<long, NetConnection> ___peers, IGameServer ___gameServer)
{
if (__instance is SLidgrenServer smapiServer)
{
smapiServer.SendMessage(connection, message);
return false;
}
return true;
}
}
}
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