package com.hypixel.hytale.protocol;
import com.hypixel.hytale.protocol.io.ValidationResult;
import io.netty.buffer.ByteBuf;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class CameraSettings {
public static final int NULLABLE_BIT_FIELD_SIZE = 1;
public static final int FIXED_BLOCK_SIZE = 13;
public static final int VARIABLE_FIELD_COUNT = 2;
public static final int VARIABLE_BLOCK_START = 21;
public static final int MAX_SIZE = 8192049;
@Nullable
public Vector3f positionOffset;
@Nullable
public CameraAxis yaw;
@Nullable
public CameraAxis pitch;
public CameraSettings() {
}
public CameraSettings(@Nullable Vector3f positionOffset, @Nullable CameraAxis yaw, @Nullable CameraAxis pitch) {
this.positionOffset = positionOffset;
this.yaw = yaw;
this.pitch = pitch;
}
public CameraSettings(@Nonnull CameraSettings other) {
this.positionOffset = other.positionOffset;
this.yaw = other.yaw;
this.pitch = other.pitch;
}
@Nonnull
public static CameraSettings deserialize(@Nonnull ByteBuf buf, int offset) {
CameraSettings obj = new CameraSettings();
byte nullBits = buf.getByte(offset);
if ((nullBits & 1) != 0) {
obj.positionOffset = Vector3f.deserialize(buf, offset + 1);
}
if ((nullBits & 2) != 0) {
int varPos0 = offset + 21 + buf.getIntLE(offset + 13);
obj.yaw = CameraAxis.deserialize(buf, varPos0);
}
if ((nullBits & 4) != 0) {
int varPos1 = offset + 21 + buf.getIntLE(offset + 17);
obj.pitch = CameraAxis.deserialize(buf, varPos1);
}
return obj;
}
public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
byte nullBits = buf.getByte(offset);
int maxEnd = 21;
if ((nullBits & 2) != 0) {
int fieldOffset0 = buf.getIntLE(offset + 13);
int pos0 = offset + 21 + fieldOffset0;
pos0 += CameraAxis.computeBytesConsumed(buf, pos0);
if (pos0 - offset > maxEnd) {
maxEnd = pos0 - offset;
}
}
if ((nullBits & 4) != 0) {
int fieldOffset1 = buf.getIntLE(offset + 17);
int pos1 = offset + 21 + fieldOffset1;
pos1 += CameraAxis.computeBytesConsumed(buf, pos1);
if (pos1 - offset > maxEnd) {
maxEnd = pos1 - offset;
}
}
return maxEnd;
}
public void serialize(@Nonnull ByteBuf buf) {
int startPos = buf.writerIndex();
byte nullBits = 0;
if (this.positionOffset != null) {
nullBits = (byte)(nullBits | 1);
}
if (this.yaw != null) {
nullBits = (byte)(nullBits | 2);
}
if (this.pitch != null) {
nullBits = (byte)(nullBits | 4);
}
buf.writeByte(nullBits);
if (this.positionOffset != null) {
this.positionOffset.serialize(buf);
} else {
buf.writeZero(12);
}
int yawOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int pitchOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int varBlockStart = buf.writerIndex();
if (this.yaw != null) {
buf.setIntLE(yawOffsetSlot, buf.writerIndex() - varBlockStart);
this.yaw.serialize(buf);
} else {
buf.setIntLE(yawOffsetSlot, -1);
}
if (this.pitch != null) {
buf.setIntLE(pitchOffsetSlot, buf.writerIndex() - varBlockStart);
this.pitch.serialize(buf);
} else {
buf.setIntLE(pitchOffsetSlot, -1);
}
}
public int computeSize() {
int size = 21;
if (this.yaw != null) {
size += this.yaw.computeSize();
}
if (this.pitch != null) {
size += this.pitch.computeSize();
}
return size;
}
public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
if (buffer.readableBytes() - offset < 21) {
return ValidationResult.error("Buffer too small: expected at least 21 bytes");
} else {
byte nullBits = buffer.getByte(offset);
if ((nullBits & 2) != 0) {
int yawOffset = buffer.getIntLE(offset + 13);
if (yawOffset < 0) {
return ValidationResult.error("Invalid offset for Yaw");
}
int pos = offset + 21 + yawOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Yaw");
}
ValidationResult yawResult = CameraAxis.validateStructure(buffer, pos);
if (!yawResult.isValid()) {
return ValidationResult.error("Invalid Yaw: " + yawResult.error());
}
pos += CameraAxis.computeBytesConsumed(buffer, pos);
}
if ((nullBits & 4) != 0) {
int pitchOffset = buffer.getIntLE(offset + 17);
if (pitchOffset < 0) {
return ValidationResult.error("Invalid offset for Pitch");
}
int pos = offset + 21 + pitchOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Pitch");
}
ValidationResult pitchResult = CameraAxis.validateStructure(buffer, pos);
if (!pitchResult.isValid()) {
return ValidationResult.error("Invalid Pitch: " + pitchResult.error());
}
pos += CameraAxis.computeBytesConsumed(buffer, pos);
}
return ValidationResult.OK;
}
}
public CameraSettings clone() {
CameraSettings copy = new CameraSettings();
copy.positionOffset = this.positionOffset != null ? this.positionOffset.clone() : null;
copy.yaw = this.yaw != null ? this.yaw.clone() : null;
copy.pitch = this.pitch != null ? this.pitch.clone() : null;
return copy;
}
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (!(obj instanceof CameraSettings)) {
return false;
} else {
CameraSettings other = (CameraSettings)obj;
return Objects.equals(this.positionOffset, other.positionOffset) && Objects.equals(this.yaw, other.yaw) && Objects.equals(this.pitch, other.pitch);
}
}
public int hashCode() {
return Objects.hash(new Object[]{this.positionOffset, this.yaw, this.pitch});
}
}