cn.nukkit.network.protocol.TextPacket Maven / Gradle / Ivy

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A Minecraft Bedrock Edition server software implementation made in Java from scratch which supports all new features.
There is a newer version: 1.6.0.1-PN
package cn.nukkit.network.protocol;

import cn.nukkit.api.DeprecationDetails;
import cn.nukkit.api.PowerNukkitOnly;
import cn.nukkit.api.Since;
import cn.nukkit.utils.BinaryStream;
import io.netty.util.internal.EmptyArrays;
import lombok.ToString;

/**
 * @since 15-10-13
 */
@ToString
public class TextPacket extends DataPacket {

    public static final byte NETWORK_ID = ProtocolInfo.TEXT_PACKET;

    @Override
    public byte pid() {
        return NETWORK_ID;
    }

    public static final byte TYPE_RAW = 0;
    public static final byte TYPE_CHAT = 1;
    public static final byte TYPE_TRANSLATION = 2;
    public static final byte TYPE_POPUP = 3;
    public static final byte TYPE_JUKEBOX_POPUP = 4;
    public static final byte TYPE_TIP = 5;
    public static final byte TYPE_SYSTEM = 6;
    public static final byte TYPE_WHISPER = 7;
    public static final byte TYPE_ANNOUNCEMENT = 8;
    @PowerNukkitOnly("Backward compatibility")
    @Deprecated @DeprecationDetails(
            since = "1.3.0.0-PN", toBeRemovedAt = "1.4.0.0-PN",
            reason = "Renamed to TYPE_JSON by NukkitX", replaceWith = "TYPE_OBJECT")
    public static final byte TYPE_JSON = 9;
    @Since("1.3.0.0-PN") public static final byte TYPE_OBJECT = 9;
    @Since("1.3.0.0-PN") public static final byte TYPE_OBJECT_WHISPER = 10;

    public byte type;
    public String source = "";
    public String message = "";
    public String[] parameters = EmptyArrays.EMPTY_STRINGS;
    public boolean isLocalized = false;
    public String xboxUserId = "";
    public String platformChatId = "";

    @Override
    public void decode() {
        this.type = (byte) getByte();
        this.isLocalized = this.getBoolean() || type == TYPE_TRANSLATION;
        switch (type) {
            case TYPE_CHAT:
            case TYPE_WHISPER:
            case TYPE_ANNOUNCEMENT:
                this.source = this.getString();
            case TYPE_RAW:
            case TYPE_TIP:
            case TYPE_SYSTEM:
            case TYPE_OBJECT:
            case TYPE_OBJECT_WHISPER:
                this.message = this.getString();
                break;

            case TYPE_TRANSLATION:
            case TYPE_POPUP:
            case TYPE_JUKEBOX_POPUP:
                this.message = this.getString();
                this.parameters = this.getArray(String.class, BinaryStream::getString);
        }
        this.xboxUserId = this.getString();
        this.platformChatId = this.getString();
    }

    @Override
    public void encode() {
        this.reset();
        this.putByte(this.type);
        this.putBoolean(this.isLocalized || type == TYPE_TRANSLATION);
        switch (this.type) {
            case TYPE_CHAT:
            case TYPE_WHISPER:
            case TYPE_ANNOUNCEMENT:
                this.putString(this.source);
            case TYPE_RAW:
            case TYPE_TIP:
            case TYPE_SYSTEM:
            case TYPE_OBJECT:
            case TYPE_OBJECT_WHISPER:
                this.putString(this.message);
                break;

            case TYPE_TRANSLATION:
            case TYPE_POPUP:
            case TYPE_JUKEBOX_POPUP:
                this.putString(this.message);
                this.putUnsignedVarInt(this.parameters.length);
                for (String parameter : this.parameters) {
                    this.putString(parameter);
                }
        }
        this.putString(this.xboxUserId);
        this.putString(this.platformChatId);
    }
}