package com.hypixel.hytale.protocol;
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.Arrays;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class ItemTool {
public static final int NULLABLE_BIT_FIELD_SIZE = 1;
public static final int FIXED_BLOCK_SIZE = 5;
public static final int VARIABLE_FIELD_COUNT = 1;
public static final int VARIABLE_BLOCK_START = 5;
public static final int MAX_SIZE = 1677721600;
@Nullable
public ItemToolSpec[] specs;
public float speed;
public ItemTool() {
}
public ItemTool(@Nullable ItemToolSpec[] specs, float speed) {
this.specs = specs;
this.speed = speed;
}
public ItemTool(@Nonnull ItemTool other) {
this.specs = other.specs;
this.speed = other.speed;
}
@Nonnull
public static ItemTool deserialize(@Nonnull ByteBuf buf, int offset) {
ItemTool obj = new ItemTool();
byte nullBits = buf.getByte(offset);
obj.speed = buf.getFloatLE(offset + 1);
int pos = offset + 5;
if ((nullBits & 1) != 0) {
int specsCount = VarInt.peek(buf, pos);
if (specsCount < 0) {
throw ProtocolException.negativeLength("Specs", specsCount);
}
if (specsCount > 4096000) {
throw ProtocolException.arrayTooLong("Specs", specsCount, 4096000);
}
int specsVarLen = VarInt.size(specsCount);
if ((long)(pos + specsVarLen) + (long)specsCount * 9L > (long)buf.readableBytes()) {
throw ProtocolException.bufferTooSmall("Specs", pos + specsVarLen + specsCount * 9, buf.readableBytes());
}
pos += specsVarLen;
obj.specs = new ItemToolSpec[specsCount];
for(int i = 0; i < specsCount; ++i) {
obj.specs[i] = ItemToolSpec.deserialize(buf, pos);
pos += ItemToolSpec.computeBytesConsumed(buf, pos);
}
}
return obj;
}
public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
byte nullBits = buf.getByte(offset);
int pos = offset + 5;
if ((nullBits & 1) != 0) {
int arrLen = VarInt.peek(buf, pos);
pos += VarInt.length(buf, pos);
for(int i = 0; i < arrLen; ++i) {
pos += ItemToolSpec.computeBytesConsumed(buf, pos);
}
}
return pos - offset;
}
public void serialize(@Nonnull ByteBuf buf) {
byte nullBits = 0;
if (this.specs != null) {
nullBits = (byte)(nullBits | 1);
}
buf.writeByte(nullBits);
buf.writeFloatLE(this.speed);
if (this.specs != null) {
if (this.specs.length > 4096000) {
throw ProtocolException.arrayTooLong("Specs", this.specs.length, 4096000);
}
VarInt.write(buf, this.specs.length);
for(ItemToolSpec item : this.specs) {
item.serialize(buf);
}
}
}
public int computeSize() {
int size = 5;
if (this.specs != null) {
int specsSize = 0;
for(ItemToolSpec elem : this.specs) {
specsSize += elem.computeSize();
}
size += VarInt.size(this.specs.length) + specsSize;
}
return size;
}
public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
if (buffer.readableBytes() - offset < 5) {
return ValidationResult.error("Buffer too small: expected at least 5 bytes");
} else {
byte nullBits = buffer.getByte(offset);
int pos = offset + 5;
if ((nullBits & 1) != 0) {
int specsCount = VarInt.peek(buffer, pos);
if (specsCount < 0) {
return ValidationResult.error("Invalid array count for Specs");
}
if (specsCount > 4096000) {
return ValidationResult.error("Specs exceeds max length 4096000");
}
pos += VarInt.length(buffer, pos);
for(int i = 0; i < specsCount; ++i) {
ValidationResult structResult = ItemToolSpec.validateStructure(buffer, pos);
if (!structResult.isValid()) {
return ValidationResult.error("Invalid ItemToolSpec in Specs[" + i + "]: " + structResult.error());
}
pos += ItemToolSpec.computeBytesConsumed(buffer, pos);
}
}
return ValidationResult.OK;
}
}
public ItemTool clone() {
ItemTool copy = new ItemTool();
copy.specs = this.specs != null ? (ItemToolSpec[])Arrays.stream(this.specs).map((e) -> e.clone()).toArray((x$0) -> new ItemToolSpec[x$0]) : null;
copy.speed = this.speed;
return copy;
}
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (!(obj instanceof ItemTool)) {
return false;
} else {
ItemTool other = (ItemTool)obj;
return Arrays.equals(this.specs, other.specs) && this.speed == other.speed;
}
}
public int hashCode() {
int result = 1;
result = 31 * result + Arrays.hashCode(this.specs);
result = 31 * result + Float.hashCode(this.speed);
return result;
}
}