123 lines
3.5 KiB
Java
123 lines
3.5 KiB
Java
package com.hypixel.hytale.protocol.packets.assets;
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import com.hypixel.hytale.protocol.Objective;
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import com.hypixel.hytale.protocol.Packet;
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import com.hypixel.hytale.protocol.io.ValidationResult;
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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 TrackOrUpdateObjective implements Packet {
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public static final int PACKET_ID = 69;
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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 = 1677721600;
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@Nullable
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public Objective objective;
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@Override
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public int getId() {
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return 69;
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}
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public TrackOrUpdateObjective() {
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}
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public TrackOrUpdateObjective(@Nullable Objective objective) {
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this.objective = objective;
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}
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public TrackOrUpdateObjective(@Nonnull TrackOrUpdateObjective other) {
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this.objective = other.objective;
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}
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@Nonnull
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public static TrackOrUpdateObjective deserialize(@Nonnull ByteBuf buf, int offset) {
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TrackOrUpdateObjective obj = new TrackOrUpdateObjective();
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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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obj.objective = Objective.deserialize(buf, pos);
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pos += Objective.computeBytesConsumed(buf, pos);
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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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pos += Objective.computeBytesConsumed(buf, pos);
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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.objective != 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.objective != null) {
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this.objective.serialize(buf);
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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.objective != null) {
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size += this.objective.computeSize();
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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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ValidationResult objectiveResult = Objective.validateStructure(buffer, pos);
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if (!objectiveResult.isValid()) {
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return ValidationResult.error("Invalid Objective: " + objectiveResult.error());
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}
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pos += Objective.computeBytesConsumed(buffer, pos);
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}
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return ValidationResult.OK;
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}
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}
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public TrackOrUpdateObjective clone() {
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TrackOrUpdateObjective copy = new TrackOrUpdateObjective();
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copy.objective = this.objective != null ? this.objective.clone() : null;
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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 TrackOrUpdateObjective other ? Objects.equals(this.objective, other.objective) : 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.objective);
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}
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}
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