Minestom/src/main/java/net/minestom/server/network/packet/server/play/JoinGamePacket.java

79 lines
3.2 KiB
Java

package net.minestom.server.network.packet.server.play;
import net.minestom.server.entity.GameMode;
import net.minestom.server.network.NetworkBuffer;
import net.minestom.server.network.packet.server.ServerPacket;
import net.minestom.server.network.packet.server.ServerPacketIdentifier;
import net.minestom.server.network.packet.server.play.data.DeathLocation;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jglrxavpok.hephaistos.nbt.NBTCompound;
import java.util.List;
import static net.minestom.server.network.NetworkBuffer.*;
public record JoinGamePacket(int entityId, boolean isHardcore, GameMode gameMode, GameMode previousGameMode,
List<String> worlds, NBTCompound dimensionCodec, String dimensionType, String world,
long hashedSeed, int maxPlayers, int viewDistance, int simulationDistance,
boolean reducedDebugInfo, boolean enableRespawnScreen, boolean isDebug, boolean isFlat,
DeathLocation deathLocation) implements ServerPacket {
public JoinGamePacket {
worlds = List.copyOf(worlds);
}
public JoinGamePacket(@NotNull NetworkBuffer reader) {
this(reader.read(INT), reader.read(BOOLEAN), GameMode.fromId(reader.read(BYTE)), getNullableGameMode(reader.read(BYTE)),
reader.readCollection(STRING), (NBTCompound) reader.read(NBT), reader.read(STRING), reader.read(STRING),
reader.read(LONG), reader.read(VAR_INT), reader.read(VAR_INT), reader.read(VAR_INT),
reader.read(BOOLEAN), reader.read(BOOLEAN), reader.read(BOOLEAN), reader.read(BOOLEAN),
reader.read(DEATH_LOCATION));
}
@Override
public void write(@NotNull NetworkBuffer writer) {
writer.write(INT, entityId);
writer.write(BOOLEAN, isHardcore);
writer.write(BYTE, gameMode.id());
if (previousGameMode != null) {
writer.write(BYTE, previousGameMode.id());
} else {
writer.write(BYTE, (byte) -1);
}
writer.writeCollection(STRING, worlds);
writer.write(NBT, dimensionCodec);
writer.write(STRING, dimensionType);
writer.write(STRING, world);
writer.write(LONG, hashedSeed);
writer.write(VAR_INT, maxPlayers);
writer.write(VAR_INT, viewDistance);
writer.write(VAR_INT, simulationDistance);
writer.write(BOOLEAN, reducedDebugInfo);
writer.write(BOOLEAN, enableRespawnScreen);
//debug
writer.write(BOOLEAN, isDebug);
//is flat
writer.write(BOOLEAN, isFlat);
writer.write(DEATH_LOCATION, deathLocation);
}
@Override
public int getId() {
return ServerPacketIdentifier.JOIN_GAME;
}
/**
* This method exists in lieu of a NetworkBufferType since -1 is only a
* valid value in this packet and changing behaviour of GameMode.fromId()
* to be nullable would be too big of a change. Also, game modes are often
* represented as other data types, including floats.
*/
private static @Nullable GameMode getNullableGameMode(final byte id) {
return id == (byte) -1 ? null : GameMode.fromId(id);
}
}