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Merge pull request #362 from ForceUpdate1/brand

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Fix brand Plugin Message
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Redned 2020-04-17 13:09:12 -05:00 committed by GitHub
commit 18be53ee13
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1 changed files with 43 additions and 1 deletions
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44
connector/src/main/java/org/geysermc/connector/network/translators/java/JavaPluginMessageTranslator.java
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@ -33,14 +33,56 @@ import org.geysermc.connector.network.translators.Translator;
import com.github.steveice10.mc.protocol.packet.ingame.client.ClientPluginMessagePacket;
import com.github.steveice10.mc.protocol.packet.ingame.server.ServerPluginMessagePacket;
import java.nio.charset.StandardCharsets;
@Translator(packet = ServerPluginMessagePacket.class)
public class JavaPluginMessageTranslator extends PacketTranslator<ServerPluginMessagePacket> {
private static byte[] brandData;
static {
byte[] data = GeyserConnector.NAME.getBytes(StandardCharsets.UTF_8);
byte[] varInt = writeVarInt(data.length);
brandData = new byte[varInt.length + data.length];
System.arraycopy(varInt, 0, brandData, 0, varInt.length);
System.arraycopy(data, 0, brandData, varInt.length, data.length);
}
@Override
public void translate(ServerPluginMessagePacket packet, GeyserSession session) {
if (packet.getChannel().equals("minecraft:brand")) {
session.getDownstream().getSession().send(
new ClientPluginMessagePacket(packet.getChannel(), GeyserConnector.NAME.getBytes())
new ClientPluginMessagePacket(packet.getChannel(), brandData)
);
}
}
private static byte[] writeVarInt(int value) {
byte[] data = new byte[getVarIntLength(value)];
int index = 0;
do {
byte temp = (byte)(value & 0b01111111);
value >>>= 7;
if (value != 0) {
temp |= 0b10000000;
}
data[index] = temp;
index++;
} while (value != 0);
return data;
}
private static int getVarIntLength(int number) {
if ((number & 0xFFFFFF80) == 0) {
return 1;
} else if ((number & 0xFFFFC000) == 0) {
return 2;
} else if ((number & 0xFFE00000) == 0) {
return 3;
} else if ((number & 0xF0000000) == 0) {
return 4;
}
return 5;
}
}