mirror of
https://github.com/MCCTeam/Minecraft-Console-Client
synced 2025-10-14 21:22:49 +00:00
261 lines
11 KiB
C#
Executable file
261 lines
11 KiB
C#
Executable file
using System;
|
||
using System.Collections.Generic;
|
||
|
||
namespace MinecraftClient.Protocol.Handlers.Forge
|
||
{
|
||
/// <summary>
|
||
/// Contains information about a modded server install.
|
||
/// </summary>
|
||
public class ForgeInfo
|
||
{
|
||
/// <summary>
|
||
/// Represents an individual forge mod.
|
||
/// </summary>
|
||
public class ForgeMod
|
||
{
|
||
public ForgeMod(String ModID, String Version)
|
||
{
|
||
this.ModID = ModID;
|
||
this.Version = Version;
|
||
}
|
||
|
||
public readonly String ModID;
|
||
public readonly String Version;
|
||
|
||
public override string ToString()
|
||
{
|
||
return ModID + " v" + Version;
|
||
}
|
||
}
|
||
|
||
public List<ForgeMod> Mods;
|
||
internal FMLVersion Version;
|
||
|
||
/// <summary>
|
||
/// Create a new ForgeInfo with the given version.
|
||
/// </summary>
|
||
/// <param name="fmlVersion">FML version to use</param>
|
||
internal ForgeInfo(FMLVersion fmlVersion)
|
||
{
|
||
switch (fmlVersion)
|
||
{
|
||
case FMLVersion.FML2:
|
||
Mods = new List<ForgeMod>
|
||
{
|
||
new ForgeMod("forge", "ANY")
|
||
};
|
||
Version = fmlVersion;
|
||
break;
|
||
case FMLVersion.FML3:
|
||
Mods = new List<ForgeMod>
|
||
{
|
||
new ForgeMod("forge", "ANY")
|
||
};
|
||
Version = fmlVersion;
|
||
break;
|
||
default:
|
||
throw new InvalidOperationException(Translations.error_forgeforce);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Create a new ForgeInfo from the given data.
|
||
/// </summary>
|
||
/// <param name="data">The modinfo JSON tag.</param>
|
||
/// <param name="fmlVersion">Forge protocol version</param>
|
||
internal ForgeInfo(Json.JSONData data, FMLVersion fmlVersion)
|
||
{
|
||
Mods = new List<ForgeMod>();
|
||
Version = fmlVersion;
|
||
|
||
switch (fmlVersion)
|
||
{
|
||
case FMLVersion.FML:
|
||
|
||
// Example ModInfo for Minecraft 1.12 and lower (FML)
|
||
|
||
// "modinfo": {
|
||
// "type": "FML",
|
||
// "modList": [{
|
||
// "modid": "mcp",
|
||
// "version": "9.05"
|
||
// }, {
|
||
// "modid": "FML",
|
||
// "version": "8.0.99.99"
|
||
// }, {
|
||
// "modid": "Forge",
|
||
// "version": "11.14.3.1512"
|
||
// }, {
|
||
// "modid": "rpcraft",
|
||
// "version": "Beta 1.3 - 1.8.0"
|
||
// }]
|
||
// }
|
||
|
||
foreach (Json.JSONData mod in data.Properties["modList"].DataArray)
|
||
{
|
||
String modid = mod.Properties["modid"].StringValue;
|
||
String modversion = mod.Properties["version"].StringValue;
|
||
|
||
Mods.Add(new ForgeMod(modid, modversion));
|
||
}
|
||
|
||
break;
|
||
|
||
case FMLVersion.FML2:
|
||
|
||
// Example ModInfo for Minecraft 1.13 and greater (FML2)
|
||
|
||
// "forgeData": {
|
||
// "channels": [{
|
||
// "res": "minecraft:unregister",
|
||
// "version": "FML2",
|
||
// "required": true
|
||
// }, {
|
||
// "res": "minecraft:register",
|
||
// "version": "FML2",
|
||
// "required": true
|
||
// }],
|
||
// "mods": [{
|
||
// "modId": "minecraft",
|
||
// "modmarker": "1.15.2"
|
||
// }, {
|
||
// "modId": "forge",
|
||
// "modmarker": "ANY"
|
||
// }, {
|
||
// "modId": "rats",
|
||
// "modmarker": "5.3.2"
|
||
// }, {
|
||
// "modId": "citadel",
|
||
// "modmarker": "1.1.11"
|
||
// }],
|
||
// "fmlNetworkVersion": 2
|
||
// }
|
||
|
||
foreach (Json.JSONData mod in data.Properties["mods"].DataArray)
|
||
{
|
||
String modid = mod.Properties["modId"].StringValue;
|
||
String modmarker = mod.Properties["modmarker"].StringValue;
|
||
|
||
Mods.Add(new ForgeMod(modid, modmarker));
|
||
}
|
||
|
||
break;
|
||
case FMLVersion.FML3:
|
||
// Example ModInfo for Minecraft 1.18 and greater (FML3)
|
||
|
||
// "forgeData": {
|
||
// "channels": [],
|
||
// "mods": [],
|
||
// "truncated": false, // legacy versions see truncated lists, modern versions ignore this truncated flag (binary data has its own)
|
||
// "fmlNetworkVersion": 3,
|
||
// "d": "ȳ\u0000\u0000ࠨ㐤獋㙖⹌ᦘ̺⸱恤䒸⡑⛧沮婙㨹牥ఈㄵচ₀沮婙㨹牥ఈㄵচ倠岙㜲獥䋊㷍᭳ႇׇ㘴娘▅筳ص䰭宛㘲、\u0000ᠸጋ囗湌夜㘲杩棐䐱ᅱ挃☥ోᤗ㌮ఀ䬣 坖ɍ䮌ᤘ\r\n旉䠳ዣ◆䲌㜃瑥廮ⷉࠋ–䁠奚Ҵ㔱摜䂸ᅱ獳ౠᡚ㜷汥戊䂸űဓĠ嵛㖱数嫤Ǎ塰䛶ⶎᮚ㞳晲擞ᖝ″ዣ䘆ఋʂ潦令ඕ爈䖔⺁ᥚ⾹潳棤㦥ᬻ挐䅀㠹楬ۨ㣄উ瀀渀嬛㘼扩搢䃀熁挂♥\r\n墋㒺摬牜ࣜ䁠嘗湌孛㜴浩惂䠙熙排٥孁㒰ͮ屢Ӏ䠐⚐䷮ᣛ㊴瑳戚䢸熁匒إܴ䫜巑፻ᚷؠ䀀ㆃ牵䋨㦥ࠫ㋣䗆䂌㨈慲䫬ᖱᮓᘧ汬尚ㆰ٫屲㣄ᆉ恳ಭ川㤷፫擨妅挫♖乮塘 㖱慰\r\n囆䓩\t"
|
||
// }
|
||
|
||
// 1.18 and greater, the mod list and channel list is compressed to forgeData["d"] for efficiency,
|
||
// - Here is how forge encode and decode them:
|
||
// https://github.com/MinecraftForge/MinecraftForge/blob/cb12df41e13da576b781be695f80728b9594c25f/src/main/java/net/minecraftforge/network/ServerStatusPing.java#L264
|
||
// - Here is the discussion:
|
||
// see https://github.com/MinecraftForge/MinecraftForge/pull/8169
|
||
|
||
string encodedData = data.Properties["d"].StringValue;
|
||
Queue<byte> dataPackage = decodeOptimized(encodedData);
|
||
DataTypes dataTypes = new DataTypes(Protocol18Handler.MC_1_18_1_Version);
|
||
|
||
//
|
||
// [ Truncated ][ Bool ] // Unused
|
||
// [ Mod Size ][ Unsigned short ]
|
||
//
|
||
dataTypes.ReadNextBool(dataPackage); // truncated: boolean
|
||
var modsSize = dataTypes.ReadNextUShort(dataPackage);
|
||
|
||
Dictionary<string, string> mods = new();
|
||
// Mod Array Definition:
|
||
// [ Channel Size And Version Flag ][ VarInt ] // If the value at bit Mask 0x01 is 1, The Mod Version will be ignore.
|
||
// // The one-right-shifted int is the Channel List size.
|
||
// [ Mod Id ][ String ]
|
||
// [ Mod Version ][ Optional String ] // Depends on the Flag above
|
||
// [ Channel List ][ Array ] [ Channel Name ][ String ]
|
||
// [ Channel Version ][ String ]
|
||
// [ Required On Client ][ Bool ]
|
||
|
||
for (var i = 0; i < modsSize; i++) {
|
||
var channelSizeAndVersionFlag = dataTypes.ReadNextVarInt(dataPackage);
|
||
var channelSize = channelSizeAndVersionFlag >> 1;
|
||
|
||
int VERSION_FLAG_IGNORESERVERONLY = 0b1;
|
||
var isIgnoreServerOnly = (channelSizeAndVersionFlag & VERSION_FLAG_IGNORESERVERONLY) != 0;
|
||
|
||
var modId = dataTypes.ReadNextString(dataPackage);
|
||
|
||
string IGNORESERVERONLY = "IGNORED";
|
||
var modVersion = isIgnoreServerOnly ? IGNORESERVERONLY : dataTypes.ReadNextString(dataPackage);
|
||
|
||
for (var i1 = 0; i1 < channelSize; i1++) {
|
||
dataTypes.ReadNextString(dataPackage); // channelName
|
||
dataTypes.ReadNextString(dataPackage); // channelVersion
|
||
dataTypes.ReadNextBool(dataPackage); // requiredOnClient
|
||
}
|
||
|
||
mods.Add(modId, modVersion);
|
||
Mods.Add(new ForgeMod(modId, modVersion));
|
||
}
|
||
|
||
// Ignore the left data, which is NonMod Channel List
|
||
// [ nonMod Channel Count ][ VarInt ]
|
||
// [ nonMod Channel List ][ Array ] [ Channel Name ][ String ]
|
||
// [ Channel Version ][ Bool ]
|
||
// [ Required On Client ][ Bool ]
|
||
|
||
break;
|
||
default:
|
||
throw new NotImplementedException("FMLVersion '" + fmlVersion + "' not implemented!");
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Decompress binary data ForgeData["d"] (FML 3)
|
||
/// </summary>
|
||
/// <param name="encodedData">The encoded data.</param>
|
||
/// <returns>Decoded forge data Queue<byte>.</returns>
|
||
/// <para>
|
||
/// 1.18 and greater, the mod list and channel list is compressed for efficiency
|
||
/// The code below is converted from forge source code, see:
|
||
/// https://github.com/MinecraftForge/MinecraftForge/blob/cb12df41e13da576b781be695f80728b9594c25f/src/main/java/net/minecraftforge/network/ServerStatusPing.java#L361
|
||
/// </para>
|
||
private static Queue<byte> decodeOptimized(string encodedData) {
|
||
int size0 = encodedData[0];
|
||
int size1 = encodedData[1];
|
||
int size = size0 | (size1 << 15);
|
||
|
||
List<byte> packageData = new();
|
||
|
||
int stringIndex = 2;
|
||
int buffer = 0;
|
||
int bitsInBuf = 0;
|
||
|
||
while (stringIndex < encodedData.Length)
|
||
{
|
||
while (bitsInBuf >= 8)
|
||
{
|
||
packageData.Add((byte)buffer);
|
||
buffer >>= 8;
|
||
bitsInBuf -= 8;
|
||
}
|
||
|
||
char c = encodedData[stringIndex];
|
||
buffer |= (c & 0x7FFF) << bitsInBuf;
|
||
bitsInBuf += 15;
|
||
stringIndex++;
|
||
}
|
||
|
||
while (packageData.Count < size)
|
||
{
|
||
packageData.Add((byte)buffer);
|
||
buffer >>= 8;
|
||
bitsInBuf -= 8;
|
||
}
|
||
|
||
return new Queue<byte>(packageData.ToArray());
|
||
}
|
||
}
|
||
}
|