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[FEATURE] Support custom protocol

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Gravita 2023-04-21 16:14:33 +07:00
parent 6caa34e255
commit 50b463b439
2 changed files with 6 additions and 3 deletions
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8
Launcher/src/main/java/pro/gravit/launcher/client/ServerPinger.java
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@ -30,6 +30,7 @@ public final class ServerPinger {
private static final int PACKET_LENGTH = 65535;
// Instance
private final InetSocketAddress address;
private final int protocol;
private final ClientProfile.Version version;
// Cache
private final Object cacheLock = new Object();
@ -47,6 +48,7 @@ public ServerPinger(ClientProfile.ServerProfile profile, ClientProfile.Version v
}
this.address = profile.toSocketAddress();
this.version = Objects.requireNonNull(version, "version");
this.protocol = profile.protocol;
}
private static String readUTF16String(HInput input) throws IOException {
@ -65,7 +67,7 @@ private Result doPing() throws IOException {
socket.connect(IOHelper.resolve(address), IOHelper.SOCKET_TIMEOUT);
try (HInput input = new HInput(socket.getInputStream());
HOutput output = new HOutput(socket.getOutputStream())) {
return version.compareTo(ClientProfileVersions.MINECRAFT_1_7_2) >= 0 ? modernPing(input, output) : legacyPing(input, output, version.compareTo(ClientProfileVersions.MINECRAFT_1_6_4) >= 0);
return version.compareTo(ClientProfileVersions.MINECRAFT_1_7_2) >= 0 ? modernPing(input, output, protocol) : legacyPing(input, output, version.compareTo(ClientProfileVersions.MINECRAFT_1_6_4) >= 0);
}
}
}
@ -121,13 +123,13 @@ private Result legacyPing(HInput input, HOutput output, boolean mc16) throws IOE
return new Result(onlinePlayers, maxPlayers, response);
}
private Result modernPing(HInput input, HOutput output) throws IOException {
private Result modernPing(HInput input, HOutput output, int protocol) throws IOException {
// Prepare handshake packet
byte[] handshakePacket;
try (ByteArrayOutputStream packetArray = IOHelper.newByteArrayOutput()) {
try (HOutput packetOutput = new HOutput(packetArray)) {
packetOutput.writeVarInt(0x0); // Handshake packet ID
packetOutput.writeVarInt(0x4); // Protocol version
packetOutput.writeVarInt(protocol > 0 ? protocol : 0x4); // Protocol version
packetOutput.writeString(address.getHostString(), 0); // Server address
packetOutput.writeShort((short) address.getPort()); // Server port
packetOutput.writeVarInt(0x1); // Next state - status

1
LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
View file

@ -544,6 +544,7 @@ public static class ServerProfile {
public String serverAddress;
public int serverPort;
public boolean isDefault = true;
public int protocol = -1;
public boolean socketPing = true;
public ServerProfile() {