144 lines
4.1 KiB
Java
144 lines
4.1 KiB
Java
package com.hypixel.hytale.protocol.packets.interface_;
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import com.hypixel.hytale.protocol.Packet;
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import com.hypixel.hytale.protocol.io.PacketIO;
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import com.hypixel.hytale.protocol.io.ProtocolException;
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import com.hypixel.hytale.protocol.io.ValidationResult;
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import com.hypixel.hytale.protocol.io.VarInt;
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import io.netty.buffer.ByteBuf;
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import java.util.Objects;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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public class UpdateLanguage implements Packet {
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public static final int PACKET_ID = 232;
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public static final boolean IS_COMPRESSED = false;
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public static final int NULLABLE_BIT_FIELD_SIZE = 1;
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public static final int FIXED_BLOCK_SIZE = 1;
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public static final int VARIABLE_FIELD_COUNT = 1;
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public static final int VARIABLE_BLOCK_START = 1;
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public static final int MAX_SIZE = 16384006;
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@Nullable
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public String language;
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@Override
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public int getId() {
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return 232;
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}
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public UpdateLanguage() {
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}
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public UpdateLanguage(@Nullable String language) {
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this.language = language;
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}
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public UpdateLanguage(@Nonnull UpdateLanguage other) {
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this.language = other.language;
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}
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@Nonnull
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public static UpdateLanguage deserialize(@Nonnull ByteBuf buf, int offset) {
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UpdateLanguage obj = new UpdateLanguage();
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byte nullBits = buf.getByte(offset);
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int pos = offset + 1;
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if ((nullBits & 1) != 0) {
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int languageLen = VarInt.peek(buf, pos);
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if (languageLen < 0) {
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throw ProtocolException.negativeLength("Language", languageLen);
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}
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if (languageLen > 4096000) {
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throw ProtocolException.stringTooLong("Language", languageLen, 4096000);
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}
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int languageVarLen = VarInt.length(buf, pos);
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obj.language = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
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pos += languageVarLen + languageLen;
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}
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return obj;
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}
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public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
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byte nullBits = buf.getByte(offset);
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int pos = offset + 1;
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if ((nullBits & 1) != 0) {
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int sl = VarInt.peek(buf, pos);
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pos += VarInt.length(buf, pos) + sl;
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}
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return pos - offset;
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}
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@Override
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public void serialize(@Nonnull ByteBuf buf) {
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byte nullBits = 0;
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if (this.language != null) {
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nullBits = (byte)(nullBits | 1);
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}
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buf.writeByte(nullBits);
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if (this.language != null) {
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PacketIO.writeVarString(buf, this.language, 4096000);
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}
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}
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@Override
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public int computeSize() {
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int size = 1;
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if (this.language != null) {
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size += PacketIO.stringSize(this.language);
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}
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return size;
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}
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public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
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if (buffer.readableBytes() - offset < 1) {
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return ValidationResult.error("Buffer too small: expected at least 1 bytes");
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} else {
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byte nullBits = buffer.getByte(offset);
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int pos = offset + 1;
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if ((nullBits & 1) != 0) {
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int languageLen = VarInt.peek(buffer, pos);
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if (languageLen < 0) {
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return ValidationResult.error("Invalid string length for Language");
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}
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if (languageLen > 4096000) {
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return ValidationResult.error("Language exceeds max length 4096000");
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}
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pos += VarInt.length(buffer, pos);
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pos += languageLen;
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if (pos > buffer.writerIndex()) {
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return ValidationResult.error("Buffer overflow reading Language");
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}
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}
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return ValidationResult.OK;
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}
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}
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public UpdateLanguage clone() {
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UpdateLanguage copy = new UpdateLanguage();
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copy.language = this.language;
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return copy;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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} else {
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return obj instanceof UpdateLanguage other ? Objects.equals(this.language, other.language) : false;
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}
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}
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@Override
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public int hashCode() {
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return Objects.hash(this.language);
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}
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}
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