package com.hypixel.hytale.protocol.packets.buildertools;
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.HashMap;
import java.util.Map;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class BuilderToolState {
public static final int NULLABLE_BIT_FIELD_SIZE = 1;
public static final int FIXED_BLOCK_SIZE = 2;
public static final int VARIABLE_FIELD_COUNT = 3;
public static final int VARIABLE_BLOCK_START = 14;
public static final int MAX_SIZE = 1677721600;
@Nullable
public String id;
public boolean isBrush;
@Nullable
public BuilderToolBrushData brushData;
@Nullable
public Map<String, BuilderToolArg> args;
public BuilderToolState() {
}
public BuilderToolState(@Nullable String id, boolean isBrush, @Nullable BuilderToolBrushData brushData, @Nullable Map<String, BuilderToolArg> args) {
this.id = id;
this.isBrush = isBrush;
this.brushData = brushData;
this.args = args;
}
public BuilderToolState(@Nonnull BuilderToolState other) {
this.id = other.id;
this.isBrush = other.isBrush;
this.brushData = other.brushData;
this.args = other.args;
}
@Nonnull
public static BuilderToolState deserialize(@Nonnull ByteBuf buf, int offset) {
BuilderToolState obj = new BuilderToolState();
byte nullBits = buf.getByte(offset);
obj.isBrush = buf.getByte(offset + 1) != 0;
if ((nullBits & 1) != 0) {
int varPos0 = offset + 14 + buf.getIntLE(offset + 2);
int idLen = VarInt.peek(buf, varPos0);
if (idLen < 0) {
throw ProtocolException.negativeLength("Id", idLen);
}
if (idLen > 4096000) {
throw ProtocolException.stringTooLong("Id", idLen, 4096000);
}
obj.id = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
}
if ((nullBits & 2) != 0) {
int varPos1 = offset + 14 + buf.getIntLE(offset + 6);
obj.brushData = BuilderToolBrushData.deserialize(buf, varPos1);
}
if ((nullBits & 4) != 0) {
int varPos2 = offset + 14 + buf.getIntLE(offset + 10);
int argsCount = VarInt.peek(buf, varPos2);
if (argsCount < 0) {
throw ProtocolException.negativeLength("Args", argsCount);
}
if (argsCount > 4096000) {
throw ProtocolException.dictionaryTooLarge("Args", argsCount, 4096000);
}
int varIntLen = VarInt.length(buf, varPos2);
obj.args = new HashMap(argsCount);
int dictPos = varPos2 + varIntLen;
for(int i = 0; i < argsCount; ++i) {
int keyLen = VarInt.peek(buf, dictPos);
if (keyLen < 0) {
throw ProtocolException.negativeLength("key", keyLen);
}
if (keyLen > 4096000) {
throw ProtocolException.stringTooLong("key", keyLen, 4096000);
}
int keyVarLen = VarInt.length(buf, dictPos);
String key = PacketIO.readVarString(buf, dictPos);
dictPos += keyVarLen + keyLen;
BuilderToolArg val = BuilderToolArg.deserialize(buf, dictPos);
dictPos += BuilderToolArg.computeBytesConsumed(buf, dictPos);
if (obj.args.put(key, val) != null) {
throw ProtocolException.duplicateKey("args", key);
}
}
}
return obj;
}
public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
byte nullBits = buf.getByte(offset);
int maxEnd = 14;
if ((nullBits & 1) != 0) {
int fieldOffset0 = buf.getIntLE(offset + 2);
int pos0 = offset + 14 + 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 + 6);
int pos1 = offset + 14 + fieldOffset1;
pos1 += BuilderToolBrushData.computeBytesConsumed(buf, pos1);
if (pos1 - offset > maxEnd) {
maxEnd = pos1 - offset;
}
}
if ((nullBits & 4) != 0) {
int fieldOffset2 = buf.getIntLE(offset + 10);
int pos2 = offset + 14 + fieldOffset2;
int dictLen = VarInt.peek(buf, pos2);
pos2 += VarInt.length(buf, pos2);
for(int i = 0; i < dictLen; ++i) {
int sl = VarInt.peek(buf, pos2);
pos2 += VarInt.length(buf, pos2) + sl;
pos2 += BuilderToolArg.computeBytesConsumed(buf, pos2);
}
if (pos2 - offset > maxEnd) {
maxEnd = pos2 - offset;
}
}
return maxEnd;
}
public void serialize(@Nonnull ByteBuf buf) {
int startPos = buf.writerIndex();
byte nullBits = 0;
if (this.id != null) {
nullBits = (byte)(nullBits | 1);
}
if (this.brushData != null) {
nullBits = (byte)(nullBits | 2);
}
if (this.args != null) {
nullBits = (byte)(nullBits | 4);
}
buf.writeByte(nullBits);
buf.writeByte(this.isBrush ? 1 : 0);
int idOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int brushDataOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int argsOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int varBlockStart = buf.writerIndex();
if (this.id != null) {
buf.setIntLE(idOffsetSlot, buf.writerIndex() - varBlockStart);
PacketIO.writeVarString(buf, this.id, 4096000);
} else {
buf.setIntLE(idOffsetSlot, -1);
}
if (this.brushData != null) {
buf.setIntLE(brushDataOffsetSlot, buf.writerIndex() - varBlockStart);
this.brushData.serialize(buf);
} else {
buf.setIntLE(brushDataOffsetSlot, -1);
}
if (this.args != null) {
buf.setIntLE(argsOffsetSlot, buf.writerIndex() - varBlockStart);
if (this.args.size() > 4096000) {
throw ProtocolException.dictionaryTooLarge("Args", this.args.size(), 4096000);
}
VarInt.write(buf, this.args.size());
for(Map.Entry<String, BuilderToolArg> e : this.args.entrySet()) {
PacketIO.writeVarString(buf, (String)e.getKey(), 4096000);
((BuilderToolArg)e.getValue()).serialize(buf);
}
} else {
buf.setIntLE(argsOffsetSlot, -1);
}
}
public int computeSize() {
int size = 14;
if (this.id != null) {
size += PacketIO.stringSize(this.id);
}
if (this.brushData != null) {
size += this.brushData.computeSize();
}
if (this.args != null) {
int argsSize = 0;
for(Map.Entry<String, BuilderToolArg> kvp : this.args.entrySet()) {
argsSize += PacketIO.stringSize((String)kvp.getKey()) + ((BuilderToolArg)kvp.getValue()).computeSize();
}
size += VarInt.size(this.args.size()) + argsSize;
}
return size;
}
public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
if (buffer.readableBytes() - offset < 14) {
return ValidationResult.error("Buffer too small: expected at least 14 bytes");
} else {
byte nullBits = buffer.getByte(offset);
if ((nullBits & 1) != 0) {
int idOffset = buffer.getIntLE(offset + 2);
if (idOffset < 0) {
return ValidationResult.error("Invalid offset for Id");
}
int pos = offset + 14 + idOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Id");
}
int idLen = VarInt.peek(buffer, pos);
if (idLen < 0) {
return ValidationResult.error("Invalid string length for Id");
}
if (idLen > 4096000) {
return ValidationResult.error("Id exceeds max length 4096000");
}
pos += VarInt.length(buffer, pos);
pos += idLen;
if (pos > buffer.writerIndex()) {
return ValidationResult.error("Buffer overflow reading Id");
}
}
if ((nullBits & 2) != 0) {
int brushDataOffset = buffer.getIntLE(offset + 6);
if (brushDataOffset < 0) {
return ValidationResult.error("Invalid offset for BrushData");
}
int pos = offset + 14 + brushDataOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for BrushData");
}
ValidationResult brushDataResult = BuilderToolBrushData.validateStructure(buffer, pos);
if (!brushDataResult.isValid()) {
return ValidationResult.error("Invalid BrushData: " + brushDataResult.error());
}
pos += BuilderToolBrushData.computeBytesConsumed(buffer, pos);
}
if ((nullBits & 4) != 0) {
int argsOffset = buffer.getIntLE(offset + 10);
if (argsOffset < 0) {
return ValidationResult.error("Invalid offset for Args");
}
int pos = offset + 14 + argsOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Args");
}
int argsCount = VarInt.peek(buffer, pos);
if (argsCount < 0) {
return ValidationResult.error("Invalid dictionary count for Args");
}
if (argsCount > 4096000) {
return ValidationResult.error("Args exceeds max length 4096000");
}
pos += VarInt.length(buffer, pos);
for(int i = 0; i < argsCount; ++i) {
int keyLen = VarInt.peek(buffer, pos);
if (keyLen < 0) {
return ValidationResult.error("Invalid string length for key");
}
if (keyLen > 4096000) {
return ValidationResult.error("key exceeds max length 4096000");
}
pos += VarInt.length(buffer, pos);
pos += keyLen;
if (pos > buffer.writerIndex()) {
return ValidationResult.error("Buffer overflow reading key");
}
pos += BuilderToolArg.computeBytesConsumed(buffer, pos);
}
}
return ValidationResult.OK;
}
}
public BuilderToolState clone() {
BuilderToolState copy = new BuilderToolState();
copy.id = this.id;
copy.isBrush = this.isBrush;
copy.brushData = this.brushData != null ? this.brushData.clone() : null;
if (this.args != null) {
Map<String, BuilderToolArg> m = new HashMap();
for(Map.Entry<String, BuilderToolArg> e : this.args.entrySet()) {
m.put((String)e.getKey(), ((BuilderToolArg)e.getValue()).clone());
}
copy.args = m;
}
return copy;
}
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (!(obj instanceof BuilderToolState)) {
return false;
} else {
BuilderToolState other = (BuilderToolState)obj;
return Objects.equals(this.id, other.id) && this.isBrush == other.isBrush && Objects.equals(this.brushData, other.brushData) && Objects.equals(this.args, other.args);
}
}
public int hashCode() {
return Objects.hash(new Object[]{this.id, this.isBrush, this.brushData, this.args});
}
}