BuilderToolBrushData.java

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.Arrays;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class BuilderToolBrushData {
   public static final int NULLABLE_BIT_FIELD_SIZE = 3;
   public static final int FIXED_BLOCK_SIZE = 48;
   public static final int VARIABLE_FIELD_COUNT = 9;
   public static final int VARIABLE_BLOCK_START = 84;
   public static final int MAX_SIZE = 1677721600;
   @Nullable
   public BuilderToolIntArg width;
   @Nullable
   public BuilderToolIntArg height;
   @Nullable
   public BuilderToolIntArg thickness;
   @Nullable
   public BuilderToolBoolArg capped;
   @Nullable
   public BuilderToolBrushShapeArg shape;
   @Nullable
   public BuilderToolBrushOriginArg origin;
   @Nullable
   public BuilderToolBoolArg originRotation;
   @Nullable
   public BuilderToolBrushAxisArg rotationAxis;
   @Nullable
   public BuilderToolRotationArg rotationAngle;
   @Nullable
   public BuilderToolBrushAxisArg mirrorAxis;
   @Nullable
   public BuilderToolBlockArg material;
   @Nullable
   public BuilderToolBlockArg[] favoriteMaterials;
   @Nullable
   public BuilderToolMaskArg mask;
   @Nullable
   public BuilderToolMaskArg maskAbove;
   @Nullable
   public BuilderToolMaskArg maskNot;
   @Nullable
   public BuilderToolMaskArg maskBelow;
   @Nullable
   public BuilderToolMaskArg maskAdjacent;
   @Nullable
   public BuilderToolMaskArg maskNeighbor;
   @Nullable
   public BuilderToolStringArg[] maskCommands;
   @Nullable
   public BuilderToolBoolArg useMaskCommands;
   @Nullable
   public BuilderToolBoolArg invertMask;

   public BuilderToolBrushData() {
   }

   public BuilderToolBrushData(@Nullable BuilderToolIntArg width, @Nullable BuilderToolIntArg height, @Nullable BuilderToolIntArg thickness, @Nullable BuilderToolBoolArg capped, @Nullable BuilderToolBrushShapeArg shape, @Nullable BuilderToolBrushOriginArg origin, @Nullable BuilderToolBoolArg originRotation, @Nullable BuilderToolBrushAxisArg rotationAxis, @Nullable BuilderToolRotationArg rotationAngle, @Nullable BuilderToolBrushAxisArg mirrorAxis, @Nullable BuilderToolBlockArg material, @Nullable BuilderToolBlockArg[] favoriteMaterials, @Nullable BuilderToolMaskArg mask, @Nullable BuilderToolMaskArg maskAbove, @Nullable BuilderToolMaskArg maskNot, @Nullable BuilderToolMaskArg maskBelow, @Nullable BuilderToolMaskArg maskAdjacent, @Nullable BuilderToolMaskArg maskNeighbor, @Nullable BuilderToolStringArg[] maskCommands, @Nullable BuilderToolBoolArg useMaskCommands, @Nullable BuilderToolBoolArg invertMask) {
      this.width = width;
      this.height = height;
      this.thickness = thickness;
      this.capped = capped;
      this.shape = shape;
      this.origin = origin;
      this.originRotation = originRotation;
      this.rotationAxis = rotationAxis;
      this.rotationAngle = rotationAngle;
      this.mirrorAxis = mirrorAxis;
      this.material = material;
      this.favoriteMaterials = favoriteMaterials;
      this.mask = mask;
      this.maskAbove = maskAbove;
      this.maskNot = maskNot;
      this.maskBelow = maskBelow;
      this.maskAdjacent = maskAdjacent;
      this.maskNeighbor = maskNeighbor;
      this.maskCommands = maskCommands;
      this.useMaskCommands = useMaskCommands;
      this.invertMask = invertMask;
   }

   public BuilderToolBrushData(@Nonnull BuilderToolBrushData other) {
      this.width = other.width;
      this.height = other.height;
      this.thickness = other.thickness;
      this.capped = other.capped;
      this.shape = other.shape;
      this.origin = other.origin;
      this.originRotation = other.originRotation;
      this.rotationAxis = other.rotationAxis;
      this.rotationAngle = other.rotationAngle;
      this.mirrorAxis = other.mirrorAxis;
      this.material = other.material;
      this.favoriteMaterials = other.favoriteMaterials;
      this.mask = other.mask;
      this.maskAbove = other.maskAbove;
      this.maskNot = other.maskNot;
      this.maskBelow = other.maskBelow;
      this.maskAdjacent = other.maskAdjacent;
      this.maskNeighbor = other.maskNeighbor;
      this.maskCommands = other.maskCommands;
      this.useMaskCommands = other.useMaskCommands;
      this.invertMask = other.invertMask;
   }

   @Nonnull
   public static BuilderToolBrushData deserialize(@Nonnull ByteBuf buf, int offset) {
      BuilderToolBrushData obj = new BuilderToolBrushData();
      byte[] nullBits = PacketIO.readBytes(buf, offset, 3);
      if ((nullBits[0] & 1) != 0) {
         obj.width = BuilderToolIntArg.deserialize(buf, offset + 3);
      }

      if ((nullBits[0] & 2) != 0) {
         obj.height = BuilderToolIntArg.deserialize(buf, offset + 15);
      }

      if ((nullBits[0] & 4) != 0) {
         obj.thickness = BuilderToolIntArg.deserialize(buf, offset + 27);
      }

      if ((nullBits[0] & 8) != 0) {
         obj.capped = BuilderToolBoolArg.deserialize(buf, offset + 39);
      }

      if ((nullBits[0] & 16) != 0) {
         obj.shape = BuilderToolBrushShapeArg.deserialize(buf, offset + 40);
      }

      if ((nullBits[0] & 32) != 0) {
         obj.origin = BuilderToolBrushOriginArg.deserialize(buf, offset + 41);
      }

      if ((nullBits[0] & 64) != 0) {
         obj.originRotation = BuilderToolBoolArg.deserialize(buf, offset + 42);
      }

      if ((nullBits[0] & 128) != 0) {
         obj.rotationAxis = BuilderToolBrushAxisArg.deserialize(buf, offset + 43);
      }

      if ((nullBits[1] & 1) != 0) {
         obj.rotationAngle = BuilderToolRotationArg.deserialize(buf, offset + 44);
      }

      if ((nullBits[1] & 2) != 0) {
         obj.mirrorAxis = BuilderToolBrushAxisArg.deserialize(buf, offset + 45);
      }

      if ((nullBits[2] & 8) != 0) {
         obj.useMaskCommands = BuilderToolBoolArg.deserialize(buf, offset + 46);
      }

      if ((nullBits[2] & 16) != 0) {
         obj.invertMask = BuilderToolBoolArg.deserialize(buf, offset + 47);
      }

      if ((nullBits[1] & 4) != 0) {
         int varPos0 = offset + 84 + buf.getIntLE(offset + 48);
         obj.material = BuilderToolBlockArg.deserialize(buf, varPos0);
      }

      if ((nullBits[1] & 8) != 0) {
         int varPos1 = offset + 84 + buf.getIntLE(offset + 52);
         int favoriteMaterialsCount = VarInt.peek(buf, varPos1);
         if (favoriteMaterialsCount < 0) {
            throw ProtocolException.negativeLength("FavoriteMaterials", favoriteMaterialsCount);
         }

         if (favoriteMaterialsCount > 4096000) {
            throw ProtocolException.arrayTooLong("FavoriteMaterials", favoriteMaterialsCount, 4096000);
         }

         int varIntLen = VarInt.length(buf, varPos1);
         if ((long)(varPos1 + varIntLen) + (long)favoriteMaterialsCount * 2L > (long)buf.readableBytes()) {
            throw ProtocolException.bufferTooSmall("FavoriteMaterials", varPos1 + varIntLen + favoriteMaterialsCount * 2, buf.readableBytes());
         }

         obj.favoriteMaterials = new BuilderToolBlockArg[favoriteMaterialsCount];
         int elemPos = varPos1 + varIntLen;

         for(int i = 0; i < favoriteMaterialsCount; ++i) {
            obj.favoriteMaterials[i] = BuilderToolBlockArg.deserialize(buf, elemPos);
            elemPos += BuilderToolBlockArg.computeBytesConsumed(buf, elemPos);
         }
      }

      if ((nullBits[1] & 16) != 0) {
         int varPos2 = offset + 84 + buf.getIntLE(offset + 56);
         obj.mask = BuilderToolMaskArg.deserialize(buf, varPos2);
      }

      if ((nullBits[1] & 32) != 0) {
         int varPos3 = offset + 84 + buf.getIntLE(offset + 60);
         obj.maskAbove = BuilderToolMaskArg.deserialize(buf, varPos3);
      }

      if ((nullBits[1] & 64) != 0) {
         int varPos4 = offset + 84 + buf.getIntLE(offset + 64);
         obj.maskNot = BuilderToolMaskArg.deserialize(buf, varPos4);
      }

      if ((nullBits[1] & 128) != 0) {
         int varPos5 = offset + 84 + buf.getIntLE(offset + 68);
         obj.maskBelow = BuilderToolMaskArg.deserialize(buf, varPos5);
      }

      if ((nullBits[2] & 1) != 0) {
         int varPos6 = offset + 84 + buf.getIntLE(offset + 72);
         obj.maskAdjacent = BuilderToolMaskArg.deserialize(buf, varPos6);
      }

      if ((nullBits[2] & 2) != 0) {
         int varPos7 = offset + 84 + buf.getIntLE(offset + 76);
         obj.maskNeighbor = BuilderToolMaskArg.deserialize(buf, varPos7);
      }

      if ((nullBits[2] & 4) != 0) {
         int varPos8 = offset + 84 + buf.getIntLE(offset + 80);
         int maskCommandsCount = VarInt.peek(buf, varPos8);
         if (maskCommandsCount < 0) {
            throw ProtocolException.negativeLength("MaskCommands", maskCommandsCount);
         }

         if (maskCommandsCount > 4096000) {
            throw ProtocolException.arrayTooLong("MaskCommands", maskCommandsCount, 4096000);
         }

         int varIntLen = VarInt.length(buf, varPos8);
         if ((long)(varPos8 + varIntLen) + (long)maskCommandsCount * 1L > (long)buf.readableBytes()) {
            throw ProtocolException.bufferTooSmall("MaskCommands", varPos8 + varIntLen + maskCommandsCount * 1, buf.readableBytes());
         }

         obj.maskCommands = new BuilderToolStringArg[maskCommandsCount];
         int elemPos = varPos8 + varIntLen;

         for(int i = 0; i < maskCommandsCount; ++i) {
            obj.maskCommands[i] = BuilderToolStringArg.deserialize(buf, elemPos);
            elemPos += BuilderToolStringArg.computeBytesConsumed(buf, elemPos);
         }
      }

      return obj;
   }

   public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
      byte[] nullBits = PacketIO.readBytes(buf, offset, 3);
      int maxEnd = 84;
      if ((nullBits[1] & 4) != 0) {
         int fieldOffset0 = buf.getIntLE(offset + 48);
         int pos0 = offset + 84 + fieldOffset0;
         pos0 += BuilderToolBlockArg.computeBytesConsumed(buf, pos0);
         if (pos0 - offset > maxEnd) {
            maxEnd = pos0 - offset;
         }
      }

      if ((nullBits[1] & 8) != 0) {
         int fieldOffset1 = buf.getIntLE(offset + 52);
         int pos1 = offset + 84 + fieldOffset1;
         int arrLen = VarInt.peek(buf, pos1);
         pos1 += VarInt.length(buf, pos1);

         for(int i = 0; i < arrLen; ++i) {
            pos1 += BuilderToolBlockArg.computeBytesConsumed(buf, pos1);
         }

         if (pos1 - offset > maxEnd) {
            maxEnd = pos1 - offset;
         }
      }

      if ((nullBits[1] & 16) != 0) {
         int fieldOffset2 = buf.getIntLE(offset + 56);
         int pos2 = offset + 84 + fieldOffset2;
         pos2 += BuilderToolMaskArg.computeBytesConsumed(buf, pos2);
         if (pos2 - offset > maxEnd) {
            maxEnd = pos2 - offset;
         }
      }

      if ((nullBits[1] & 32) != 0) {
         int fieldOffset3 = buf.getIntLE(offset + 60);
         int pos3 = offset + 84 + fieldOffset3;
         pos3 += BuilderToolMaskArg.computeBytesConsumed(buf, pos3);
         if (pos3 - offset > maxEnd) {
            maxEnd = pos3 - offset;
         }
      }

      if ((nullBits[1] & 64) != 0) {
         int fieldOffset4 = buf.getIntLE(offset + 64);
         int pos4 = offset + 84 + fieldOffset4;
         pos4 += BuilderToolMaskArg.computeBytesConsumed(buf, pos4);
         if (pos4 - offset > maxEnd) {
            maxEnd = pos4 - offset;
         }
      }

      if ((nullBits[1] & 128) != 0) {
         int fieldOffset5 = buf.getIntLE(offset + 68);
         int pos5 = offset + 84 + fieldOffset5;
         pos5 += BuilderToolMaskArg.computeBytesConsumed(buf, pos5);
         if (pos5 - offset > maxEnd) {
            maxEnd = pos5 - offset;
         }
      }

      if ((nullBits[2] & 1) != 0) {
         int fieldOffset6 = buf.getIntLE(offset + 72);
         int pos6 = offset + 84 + fieldOffset6;
         pos6 += BuilderToolMaskArg.computeBytesConsumed(buf, pos6);
         if (pos6 - offset > maxEnd) {
            maxEnd = pos6 - offset;
         }
      }

      if ((nullBits[2] & 2) != 0) {
         int fieldOffset7 = buf.getIntLE(offset + 76);
         int pos7 = offset + 84 + fieldOffset7;
         pos7 += BuilderToolMaskArg.computeBytesConsumed(buf, pos7);
         if (pos7 - offset > maxEnd) {
            maxEnd = pos7 - offset;
         }
      }

      if ((nullBits[2] & 4) != 0) {
         int fieldOffset8 = buf.getIntLE(offset + 80);
         int pos8 = offset + 84 + fieldOffset8;
         int arrLen = VarInt.peek(buf, pos8);
         pos8 += VarInt.length(buf, pos8);

         for(int i = 0; i < arrLen; ++i) {
            pos8 += BuilderToolStringArg.computeBytesConsumed(buf, pos8);
         }

         if (pos8 - offset > maxEnd) {
            maxEnd = pos8 - offset;
         }
      }

      return maxEnd;
   }

   public void serialize(@Nonnull ByteBuf buf) {
      int startPos = buf.writerIndex();
      byte[] nullBits = new byte[3];
      if (this.width != null) {
         nullBits[0] = (byte)(nullBits[0] | 1);
      }

      if (this.height != null) {
         nullBits[0] = (byte)(nullBits[0] | 2);
      }

      if (this.thickness != null) {
         nullBits[0] = (byte)(nullBits[0] | 4);
      }

      if (this.capped != null) {
         nullBits[0] = (byte)(nullBits[0] | 8);
      }

      if (this.shape != null) {
         nullBits[0] = (byte)(nullBits[0] | 16);
      }

      if (this.origin != null) {
         nullBits[0] = (byte)(nullBits[0] | 32);
      }

      if (this.originRotation != null) {
         nullBits[0] = (byte)(nullBits[0] | 64);
      }

      if (this.rotationAxis != null) {
         nullBits[0] = (byte)(nullBits[0] | 128);
      }

      if (this.rotationAngle != null) {
         nullBits[1] = (byte)(nullBits[1] | 1);
      }

      if (this.mirrorAxis != null) {
         nullBits[1] = (byte)(nullBits[1] | 2);
      }

      if (this.material != null) {
         nullBits[1] = (byte)(nullBits[1] | 4);
      }

      if (this.favoriteMaterials != null) {
         nullBits[1] = (byte)(nullBits[1] | 8);
      }

      if (this.mask != null) {
         nullBits[1] = (byte)(nullBits[1] | 16);
      }

      if (this.maskAbove != null) {
         nullBits[1] = (byte)(nullBits[1] | 32);
      }

      if (this.maskNot != null) {
         nullBits[1] = (byte)(nullBits[1] | 64);
      }

      if (this.maskBelow != null) {
         nullBits[1] = (byte)(nullBits[1] | 128);
      }

      if (this.maskAdjacent != null) {
         nullBits[2] = (byte)(nullBits[2] | 1);
      }

      if (this.maskNeighbor != null) {
         nullBits[2] = (byte)(nullBits[2] | 2);
      }

      if (this.maskCommands != null) {
         nullBits[2] = (byte)(nullBits[2] | 4);
      }

      if (this.useMaskCommands != null) {
         nullBits[2] = (byte)(nullBits[2] | 8);
      }

      if (this.invertMask != null) {
         nullBits[2] = (byte)(nullBits[2] | 16);
      }

      buf.writeBytes(nullBits);
      if (this.width != null) {
         this.width.serialize(buf);
      } else {
         buf.writeZero(12);
      }

      if (this.height != null) {
         this.height.serialize(buf);
      } else {
         buf.writeZero(12);
      }

      if (this.thickness != null) {
         this.thickness.serialize(buf);
      } else {
         buf.writeZero(12);
      }

      if (this.capped != null) {
         this.capped.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.shape != null) {
         this.shape.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.origin != null) {
         this.origin.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.originRotation != null) {
         this.originRotation.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.rotationAxis != null) {
         this.rotationAxis.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.rotationAngle != null) {
         this.rotationAngle.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.mirrorAxis != null) {
         this.mirrorAxis.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.useMaskCommands != null) {
         this.useMaskCommands.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      if (this.invertMask != null) {
         this.invertMask.serialize(buf);
      } else {
         buf.writeZero(1);
      }

      int materialOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int favoriteMaterialsOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskAboveOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskNotOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskBelowOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskAdjacentOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskNeighborOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int maskCommandsOffsetSlot = buf.writerIndex();
      buf.writeIntLE(0);
      int varBlockStart = buf.writerIndex();
      if (this.material != null) {
         buf.setIntLE(materialOffsetSlot, buf.writerIndex() - varBlockStart);
         this.material.serialize(buf);
      } else {
         buf.setIntLE(materialOffsetSlot, -1);
      }

      if (this.favoriteMaterials != null) {
         buf.setIntLE(favoriteMaterialsOffsetSlot, buf.writerIndex() - varBlockStart);
         if (this.favoriteMaterials.length > 4096000) {
            throw ProtocolException.arrayTooLong("FavoriteMaterials", this.favoriteMaterials.length, 4096000);
         }

         VarInt.write(buf, this.favoriteMaterials.length);

         for(BuilderToolBlockArg item : this.favoriteMaterials) {
            item.serialize(buf);
         }
      } else {
         buf.setIntLE(favoriteMaterialsOffsetSlot, -1);
      }

      if (this.mask != null) {
         buf.setIntLE(maskOffsetSlot, buf.writerIndex() - varBlockStart);
         this.mask.serialize(buf);
      } else {
         buf.setIntLE(maskOffsetSlot, -1);
      }

      if (this.maskAbove != null) {
         buf.setIntLE(maskAboveOffsetSlot, buf.writerIndex() - varBlockStart);
         this.maskAbove.serialize(buf);
      } else {
         buf.setIntLE(maskAboveOffsetSlot, -1);
      }

      if (this.maskNot != null) {
         buf.setIntLE(maskNotOffsetSlot, buf.writerIndex() - varBlockStart);
         this.maskNot.serialize(buf);
      } else {
         buf.setIntLE(maskNotOffsetSlot, -1);
      }

      if (this.maskBelow != null) {
         buf.setIntLE(maskBelowOffsetSlot, buf.writerIndex() - varBlockStart);
         this.maskBelow.serialize(buf);
      } else {
         buf.setIntLE(maskBelowOffsetSlot, -1);
      }

      if (this.maskAdjacent != null) {
         buf.setIntLE(maskAdjacentOffsetSlot, buf.writerIndex() - varBlockStart);
         this.maskAdjacent.serialize(buf);
      } else {
         buf.setIntLE(maskAdjacentOffsetSlot, -1);
      }

      if (this.maskNeighbor != null) {
         buf.setIntLE(maskNeighborOffsetSlot, buf.writerIndex() - varBlockStart);
         this.maskNeighbor.serialize(buf);
      } else {
         buf.setIntLE(maskNeighborOffsetSlot, -1);
      }

      if (this.maskCommands != null) {
         buf.setIntLE(maskCommandsOffsetSlot, buf.writerIndex() - varBlockStart);
         if (this.maskCommands.length > 4096000) {
            throw ProtocolException.arrayTooLong("MaskCommands", this.maskCommands.length, 4096000);
         }

         VarInt.write(buf, this.maskCommands.length);

         for(BuilderToolStringArg item : this.maskCommands) {
            item.serialize(buf);
         }
      } else {
         buf.setIntLE(maskCommandsOffsetSlot, -1);
      }

   }

   public int computeSize() {
      int size = 84;
      if (this.material != null) {
         size += this.material.computeSize();
      }

      if (this.favoriteMaterials != null) {
         int favoriteMaterialsSize = 0;

         for(BuilderToolBlockArg elem : this.favoriteMaterials) {
            favoriteMaterialsSize += elem.computeSize();
         }

         size += VarInt.size(this.favoriteMaterials.length) + favoriteMaterialsSize;
      }

      if (this.mask != null) {
         size += this.mask.computeSize();
      }

      if (this.maskAbove != null) {
         size += this.maskAbove.computeSize();
      }

      if (this.maskNot != null) {
         size += this.maskNot.computeSize();
      }

      if (this.maskBelow != null) {
         size += this.maskBelow.computeSize();
      }

      if (this.maskAdjacent != null) {
         size += this.maskAdjacent.computeSize();
      }

      if (this.maskNeighbor != null) {
         size += this.maskNeighbor.computeSize();
      }

      if (this.maskCommands != null) {
         int maskCommandsSize = 0;

         for(BuilderToolStringArg elem : this.maskCommands) {
            maskCommandsSize += elem.computeSize();
         }

         size += VarInt.size(this.maskCommands.length) + maskCommandsSize;
      }

      return size;
   }

   public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
      if (buffer.readableBytes() - offset < 84) {
         return ValidationResult.error("Buffer too small: expected at least 84 bytes");
      } else {
         byte[] nullBits = PacketIO.readBytes(buffer, offset, 3);
         if ((nullBits[1] & 4) != 0) {
            int materialOffset = buffer.getIntLE(offset + 48);
            if (materialOffset < 0) {
               return ValidationResult.error("Invalid offset for Material");
            }

            int pos = offset + 84 + materialOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for Material");
            }

            ValidationResult materialResult = BuilderToolBlockArg.validateStructure(buffer, pos);
            if (!materialResult.isValid()) {
               return ValidationResult.error("Invalid Material: " + materialResult.error());
            }

            pos += BuilderToolBlockArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[1] & 8) != 0) {
            int favoriteMaterialsOffset = buffer.getIntLE(offset + 52);
            if (favoriteMaterialsOffset < 0) {
               return ValidationResult.error("Invalid offset for FavoriteMaterials");
            }

            int pos = offset + 84 + favoriteMaterialsOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for FavoriteMaterials");
            }

            int favoriteMaterialsCount = VarInt.peek(buffer, pos);
            if (favoriteMaterialsCount < 0) {
               return ValidationResult.error("Invalid array count for FavoriteMaterials");
            }

            if (favoriteMaterialsCount > 4096000) {
               return ValidationResult.error("FavoriteMaterials exceeds max length 4096000");
            }

            pos += VarInt.length(buffer, pos);

            for(int i = 0; i < favoriteMaterialsCount; ++i) {
               ValidationResult structResult = BuilderToolBlockArg.validateStructure(buffer, pos);
               if (!structResult.isValid()) {
                  return ValidationResult.error("Invalid BuilderToolBlockArg in FavoriteMaterials[" + i + "]: " + structResult.error());
               }

               pos += BuilderToolBlockArg.computeBytesConsumed(buffer, pos);
            }
         }

         if ((nullBits[1] & 16) != 0) {
            int maskOffset = buffer.getIntLE(offset + 56);
            if (maskOffset < 0) {
               return ValidationResult.error("Invalid offset for Mask");
            }

            int pos = offset + 84 + maskOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for Mask");
            }

            ValidationResult maskResult = BuilderToolMaskArg.validateStructure(buffer, pos);
            if (!maskResult.isValid()) {
               return ValidationResult.error("Invalid Mask: " + maskResult.error());
            }

            pos += BuilderToolMaskArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[1] & 32) != 0) {
            int maskAboveOffset = buffer.getIntLE(offset + 60);
            if (maskAboveOffset < 0) {
               return ValidationResult.error("Invalid offset for MaskAbove");
            }

            int pos = offset + 84 + maskAboveOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for MaskAbove");
            }

            ValidationResult maskAboveResult = BuilderToolMaskArg.validateStructure(buffer, pos);
            if (!maskAboveResult.isValid()) {
               return ValidationResult.error("Invalid MaskAbove: " + maskAboveResult.error());
            }

            pos += BuilderToolMaskArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[1] & 64) != 0) {
            int maskNotOffset = buffer.getIntLE(offset + 64);
            if (maskNotOffset < 0) {
               return ValidationResult.error("Invalid offset for MaskNot");
            }

            int pos = offset + 84 + maskNotOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for MaskNot");
            }

            ValidationResult maskNotResult = BuilderToolMaskArg.validateStructure(buffer, pos);
            if (!maskNotResult.isValid()) {
               return ValidationResult.error("Invalid MaskNot: " + maskNotResult.error());
            }

            pos += BuilderToolMaskArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[1] & 128) != 0) {
            int maskBelowOffset = buffer.getIntLE(offset + 68);
            if (maskBelowOffset < 0) {
               return ValidationResult.error("Invalid offset for MaskBelow");
            }

            int pos = offset + 84 + maskBelowOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for MaskBelow");
            }

            ValidationResult maskBelowResult = BuilderToolMaskArg.validateStructure(buffer, pos);
            if (!maskBelowResult.isValid()) {
               return ValidationResult.error("Invalid MaskBelow: " + maskBelowResult.error());
            }

            pos += BuilderToolMaskArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[2] & 1) != 0) {
            int maskAdjacentOffset = buffer.getIntLE(offset + 72);
            if (maskAdjacentOffset < 0) {
               return ValidationResult.error("Invalid offset for MaskAdjacent");
            }

            int pos = offset + 84 + maskAdjacentOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for MaskAdjacent");
            }

            ValidationResult maskAdjacentResult = BuilderToolMaskArg.validateStructure(buffer, pos);
            if (!maskAdjacentResult.isValid()) {
               return ValidationResult.error("Invalid MaskAdjacent: " + maskAdjacentResult.error());
            }

            pos += BuilderToolMaskArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[2] & 2) != 0) {
            int maskNeighborOffset = buffer.getIntLE(offset + 76);
            if (maskNeighborOffset < 0) {
               return ValidationResult.error("Invalid offset for MaskNeighbor");
            }

            int pos = offset + 84 + maskNeighborOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for MaskNeighbor");
            }

            ValidationResult maskNeighborResult = BuilderToolMaskArg.validateStructure(buffer, pos);
            if (!maskNeighborResult.isValid()) {
               return ValidationResult.error("Invalid MaskNeighbor: " + maskNeighborResult.error());
            }

            pos += BuilderToolMaskArg.computeBytesConsumed(buffer, pos);
         }

         if ((nullBits[2] & 4) != 0) {
            int maskCommandsOffset = buffer.getIntLE(offset + 80);
            if (maskCommandsOffset < 0) {
               return ValidationResult.error("Invalid offset for MaskCommands");
            }

            int pos = offset + 84 + maskCommandsOffset;
            if (pos >= buffer.writerIndex()) {
               return ValidationResult.error("Offset out of bounds for MaskCommands");
            }

            int maskCommandsCount = VarInt.peek(buffer, pos);
            if (maskCommandsCount < 0) {
               return ValidationResult.error("Invalid array count for MaskCommands");
            }

            if (maskCommandsCount > 4096000) {
               return ValidationResult.error("MaskCommands exceeds max length 4096000");
            }

            pos += VarInt.length(buffer, pos);

            for(int i = 0; i < maskCommandsCount; ++i) {
               ValidationResult structResult = BuilderToolStringArg.validateStructure(buffer, pos);
               if (!structResult.isValid()) {
                  return ValidationResult.error("Invalid BuilderToolStringArg in MaskCommands[" + i + "]: " + structResult.error());
               }

               pos += BuilderToolStringArg.computeBytesConsumed(buffer, pos);
            }
         }

         return ValidationResult.OK;
      }
   }

   public BuilderToolBrushData clone() {
      BuilderToolBrushData copy = new BuilderToolBrushData();
      copy.width = this.width != null ? this.width.clone() : null;
      copy.height = this.height != null ? this.height.clone() : null;
      copy.thickness = this.thickness != null ? this.thickness.clone() : null;
      copy.capped = this.capped != null ? this.capped.clone() : null;
      copy.shape = this.shape != null ? this.shape.clone() : null;
      copy.origin = this.origin != null ? this.origin.clone() : null;
      copy.originRotation = this.originRotation != null ? this.originRotation.clone() : null;
      copy.rotationAxis = this.rotationAxis != null ? this.rotationAxis.clone() : null;
      copy.rotationAngle = this.rotationAngle != null ? this.rotationAngle.clone() : null;
      copy.mirrorAxis = this.mirrorAxis != null ? this.mirrorAxis.clone() : null;
      copy.material = this.material != null ? this.material.clone() : null;
      copy.favoriteMaterials = this.favoriteMaterials != null ? (BuilderToolBlockArg[])Arrays.stream(this.favoriteMaterials).map((e) -> e.clone()).toArray((x$0) -> new BuilderToolBlockArg[x$0]) : null;
      copy.mask = this.mask != null ? this.mask.clone() : null;
      copy.maskAbove = this.maskAbove != null ? this.maskAbove.clone() : null;
      copy.maskNot = this.maskNot != null ? this.maskNot.clone() : null;
      copy.maskBelow = this.maskBelow != null ? this.maskBelow.clone() : null;
      copy.maskAdjacent = this.maskAdjacent != null ? this.maskAdjacent.clone() : null;
      copy.maskNeighbor = this.maskNeighbor != null ? this.maskNeighbor.clone() : null;
      copy.maskCommands = this.maskCommands != null ? (BuilderToolStringArg[])Arrays.stream(this.maskCommands).map((e) -> e.clone()).toArray((x$0) -> new BuilderToolStringArg[x$0]) : null;
      copy.useMaskCommands = this.useMaskCommands != null ? this.useMaskCommands.clone() : null;
      copy.invertMask = this.invertMask != null ? this.invertMask.clone() : null;
      return copy;
   }

   public boolean equals(Object obj) {
      if (this == obj) {
         return true;
      } else if (!(obj instanceof BuilderToolBrushData)) {
         return false;
      } else {
         BuilderToolBrushData other = (BuilderToolBrushData)obj;
         return Objects.equals(this.width, other.width) && Objects.equals(this.height, other.height) && Objects.equals(this.thickness, other.thickness) && Objects.equals(this.capped, other.capped) && Objects.equals(this.shape, other.shape) && Objects.equals(this.origin, other.origin) && Objects.equals(this.originRotation, other.originRotation) && Objects.equals(this.rotationAxis, other.rotationAxis) && Objects.equals(this.rotationAngle, other.rotationAngle) && Objects.equals(this.mirrorAxis, other.mirrorAxis) && Objects.equals(this.material, other.material) && Arrays.equals(this.favoriteMaterials, other.favoriteMaterials) && Objects.equals(this.mask, other.mask) && Objects.equals(this.maskAbove, other.maskAbove) && Objects.equals(this.maskNot, other.maskNot) && Objects.equals(this.maskBelow, other.maskBelow) && Objects.equals(this.maskAdjacent, other.maskAdjacent) && Objects.equals(this.maskNeighbor, other.maskNeighbor) && Arrays.equals(this.maskCommands, other.maskCommands) && Objects.equals(this.useMaskCommands, other.useMaskCommands) && Objects.equals(this.invertMask, other.invertMask);
      }
   }

   public int hashCode() {
      int result = 1;
      result = 31 * result + Objects.hashCode(this.width);
      result = 31 * result + Objects.hashCode(this.height);
      result = 31 * result + Objects.hashCode(this.thickness);
      result = 31 * result + Objects.hashCode(this.capped);
      result = 31 * result + Objects.hashCode(this.shape);
      result = 31 * result + Objects.hashCode(this.origin);
      result = 31 * result + Objects.hashCode(this.originRotation);
      result = 31 * result + Objects.hashCode(this.rotationAxis);
      result = 31 * result + Objects.hashCode(this.rotationAngle);
      result = 31 * result + Objects.hashCode(this.mirrorAxis);
      result = 31 * result + Objects.hashCode(this.material);
      result = 31 * result + Arrays.hashCode(this.favoriteMaterials);
      result = 31 * result + Objects.hashCode(this.mask);
      result = 31 * result + Objects.hashCode(this.maskAbove);
      result = 31 * result + Objects.hashCode(this.maskNot);
      result = 31 * result + Objects.hashCode(this.maskBelow);
      result = 31 * result + Objects.hashCode(this.maskAdjacent);
      result = 31 * result + Objects.hashCode(this.maskNeighbor);
      result = 31 * result + Arrays.hashCode(this.maskCommands);
      result = 31 * result + Objects.hashCode(this.useMaskCommands);
      result = 31 * result + Objects.hashCode(this.invertMask);
      return result;
   }
}