package com.hypixel.hytale.protocol.packets.asseteditor;
import com.hypixel.hytale.protocol.io.PacketIO;
import com.hypixel.hytale.protocol.io.ProtocolException;
import com.hypixel.hytale.protocol.io.ValidationResult;
import com.hypixel.hytale.protocol.io.VarInt;
import io.netty.buffer.ByteBuf;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class AssetPath {
public static final int NULLABLE_BIT_FIELD_SIZE = 1;
public static final int FIXED_BLOCK_SIZE = 1;
public static final int VARIABLE_FIELD_COUNT = 2;
public static final int VARIABLE_BLOCK_START = 9;
public static final int MAX_SIZE = 32768019;
@Nullable
public String pack;
@Nullable
public String path;
public AssetPath() {
}
public AssetPath(@Nullable String pack, @Nullable String path) {
this.pack = pack;
this.path = path;
}
public AssetPath(@Nonnull AssetPath other) {
this.pack = other.pack;
this.path = other.path;
}
@Nonnull
public static AssetPath deserialize(@Nonnull ByteBuf buf, int offset) {
AssetPath obj = new AssetPath();
byte nullBits = buf.getByte(offset);
if ((nullBits & 1) != 0) {
int varPos0 = offset + 9 + buf.getIntLE(offset + 1);
int packLen = VarInt.peek(buf, varPos0);
if (packLen < 0) {
throw ProtocolException.negativeLength("Pack", packLen);
}
if (packLen > 4096000) {
throw ProtocolException.stringTooLong("Pack", packLen, 4096000);
}
obj.pack = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
}
if ((nullBits & 2) != 0) {
int varPos1 = offset + 9 + buf.getIntLE(offset + 5);
int pathLen = VarInt.peek(buf, varPos1);
if (pathLen < 0) {
throw ProtocolException.negativeLength("Path", pathLen);
}
if (pathLen > 4096000) {
throw ProtocolException.stringTooLong("Path", pathLen, 4096000);
}
obj.path = PacketIO.readVarString(buf, varPos1, PacketIO.UTF8);
}
return obj;
}
public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
byte nullBits = buf.getByte(offset);
int maxEnd = 9;
if ((nullBits & 1) != 0) {
int fieldOffset0 = buf.getIntLE(offset + 1);
int pos0 = offset + 9 + fieldOffset0;
int sl = VarInt.peek(buf, pos0);
pos0 += VarInt.length(buf, pos0) + sl;
if (pos0 - offset > maxEnd) {
maxEnd = pos0 - offset;
}
}
if ((nullBits & 2) != 0) {
int fieldOffset1 = buf.getIntLE(offset + 5);
int pos1 = offset + 9 + fieldOffset1;
int sl = VarInt.peek(buf, pos1);
pos1 += VarInt.length(buf, pos1) + sl;
if (pos1 - offset > maxEnd) {
maxEnd = pos1 - offset;
}
}
return maxEnd;
}
public void serialize(@Nonnull ByteBuf buf) {
int startPos = buf.writerIndex();
byte nullBits = 0;
if (this.pack != null) {
nullBits = (byte)(nullBits | 1);
}
if (this.path != null) {
nullBits = (byte)(nullBits | 2);
}
buf.writeByte(nullBits);
int packOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int pathOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int varBlockStart = buf.writerIndex();
if (this.pack != null) {
buf.setIntLE(packOffsetSlot, buf.writerIndex() - varBlockStart);
PacketIO.writeVarString(buf, this.pack, 4096000);
} else {
buf.setIntLE(packOffsetSlot, -1);
}
if (this.path != null) {
buf.setIntLE(pathOffsetSlot, buf.writerIndex() - varBlockStart);
PacketIO.writeVarString(buf, this.path, 4096000);
} else {
buf.setIntLE(pathOffsetSlot, -1);
}
}
public int computeSize() {
int size = 9;
if (this.pack != null) {
size += PacketIO.stringSize(this.pack);
}
if (this.path != null) {
size += PacketIO.stringSize(this.path);
}
return size;
}
public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
if (buffer.readableBytes() - offset < 9) {
return ValidationResult.error("Buffer too small: expected at least 9 bytes");
} else {
byte nullBits = buffer.getByte(offset);
if ((nullBits & 1) != 0) {
int packOffset = buffer.getIntLE(offset + 1);
if (packOffset < 0) {
return ValidationResult.error("Invalid offset for Pack");
}
int pos = offset + 9 + packOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Pack");
}
int packLen = VarInt.peek(buffer, pos);
if (packLen < 0) {
return ValidationResult.error("Invalid string length for Pack");
}
if (packLen > 4096000) {
return ValidationResult.error("Pack exceeds max length 4096000");
}
pos += VarInt.length(buffer, pos);
pos += packLen;
if (pos > buffer.writerIndex()) {
return ValidationResult.error("Buffer overflow reading Pack");
}
}
if ((nullBits & 2) != 0) {
int pathOffset = buffer.getIntLE(offset + 5);
if (pathOffset < 0) {
return ValidationResult.error("Invalid offset for Path");
}
int pos = offset + 9 + pathOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Path");
}
int pathLen = VarInt.peek(buffer, pos);
if (pathLen < 0) {
return ValidationResult.error("Invalid string length for Path");
}
if (pathLen > 4096000) {
return ValidationResult.error("Path exceeds max length 4096000");
}
pos += VarInt.length(buffer, pos);
pos += pathLen;
if (pos > buffer.writerIndex()) {
return ValidationResult.error("Buffer overflow reading Path");
}
}
return ValidationResult.OK;
}
}
public AssetPath clone() {
AssetPath copy = new AssetPath();
copy.pack = this.pack;
copy.path = this.path;
return copy;
}
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (!(obj instanceof AssetPath)) {
return false;
} else {
AssetPath other = (AssetPath)obj;
return Objects.equals(this.pack, other.pack) && Objects.equals(this.path, other.path);
}
}
public int hashCode() {
return Objects.hash(new Object[]{this.pack, this.path});
}
}