// // Decompiled by Procyon v0.6.0 // package com.hypixel.hytale.protocol; import java.util.Objects; import com.hypixel.hytale.protocol.io.ValidationResult; import java.util.Arrays; import java.util.Iterator; import java.util.HashMap; import com.hypixel.hytale.protocol.io.ProtocolException; import com.hypixel.hytale.protocol.io.VarInt; import com.hypixel.hytale.protocol.io.PacketIO; import io.netty.buffer.ByteBuf; import javax.annotation.Nonnull; import java.util.Map; import javax.annotation.Nullable; public class ItemBase { public static final int NULLABLE_BIT_FIELD_SIZE = 4; public static final int FIXED_BLOCK_SIZE = 147; public static final int VARIABLE_FIELD_COUNT = 26; public static final int VARIABLE_BLOCK_START = 251; public static final int MAX_SIZE = 1677721600; @Nullable public String id; @Nullable public String model; public float scale; @Nullable public String texture; @Nullable public String animation; @Nullable public String playerAnimationsId; public boolean usePlayerAnimations; public int maxStack; public int reticleIndex; @Nullable public String icon; @Nullable public AssetIconProperties iconProperties; @Nullable public ItemTranslationProperties translationProperties; public int itemLevel; public int qualityIndex; @Nullable public ItemResourceType[] resourceTypes; public boolean consumable; public boolean variant; public int blockId; @Nullable public ItemTool tool; @Nullable public ItemWeapon weapon; @Nullable public ItemArmor armor; @Nullable public ItemGlider gliderConfig; @Nullable public ItemUtility utility; @Nullable public BlockSelectorToolData blockSelectorTool; @Nullable public ItemBuilderToolData builderToolData; @Nullable public ItemEntityConfig itemEntity; @Nullable public String set; @Nullable public String[] categories; @Nullable public ModelParticle[] particles; @Nullable public ModelParticle[] firstPersonParticles; @Nullable public ModelTrail[] trails; @Nullable public ColorLight light; public double durability; public int soundEventIndex; public int itemSoundSetIndex; @Nullable public Map interactions; @Nullable public Map interactionVars; @Nullable public InteractionConfiguration interactionConfig; @Nullable public String droppedItemAnimation; @Nullable public int[] tagIndexes; @Nullable public Map itemAppearanceConditions; @Nullable public int[] displayEntityStatsHUD; @Nullable public ItemPullbackConfiguration pullbackConfig; public boolean clipsGeometry; public boolean renderDeployablePreview; public ItemBase() { } public ItemBase(@Nullable final String id, @Nullable final String model, final float scale, @Nullable final String texture, @Nullable final String animation, @Nullable final String playerAnimationsId, final boolean usePlayerAnimations, final int maxStack, final int reticleIndex, @Nullable final String icon, @Nullable final AssetIconProperties iconProperties, @Nullable final ItemTranslationProperties translationProperties, final int itemLevel, final int qualityIndex, @Nullable final ItemResourceType[] resourceTypes, final boolean consumable, final boolean variant, final int blockId, @Nullable final ItemTool tool, @Nullable final ItemWeapon weapon, @Nullable final ItemArmor armor, @Nullable final ItemGlider gliderConfig, @Nullable final ItemUtility utility, @Nullable final BlockSelectorToolData blockSelectorTool, @Nullable final ItemBuilderToolData builderToolData, @Nullable final ItemEntityConfig itemEntity, @Nullable final String set, @Nullable final String[] categories, @Nullable final ModelParticle[] particles, @Nullable final ModelParticle[] firstPersonParticles, @Nullable final ModelTrail[] trails, @Nullable final ColorLight light, final double durability, final int soundEventIndex, final int itemSoundSetIndex, @Nullable final Map interactions, @Nullable final Map interactionVars, @Nullable final InteractionConfiguration interactionConfig, @Nullable final String droppedItemAnimation, @Nullable final int[] tagIndexes, @Nullable final Map itemAppearanceConditions, @Nullable final int[] displayEntityStatsHUD, @Nullable final ItemPullbackConfiguration pullbackConfig, final boolean clipsGeometry, final boolean renderDeployablePreview) { this.id = id; this.model = model; this.scale = scale; this.texture = texture; this.animation = animation; this.playerAnimationsId = playerAnimationsId; this.usePlayerAnimations = usePlayerAnimations; this.maxStack = maxStack; this.reticleIndex = reticleIndex; this.icon = icon; this.iconProperties = iconProperties; this.translationProperties = translationProperties; this.itemLevel = itemLevel; this.qualityIndex = qualityIndex; this.resourceTypes = resourceTypes; this.consumable = consumable; this.variant = variant; this.blockId = blockId; this.tool = tool; this.weapon = weapon; this.armor = armor; this.gliderConfig = gliderConfig; this.utility = utility; this.blockSelectorTool = blockSelectorTool; this.builderToolData = builderToolData; this.itemEntity = itemEntity; this.set = set; this.categories = categories; this.particles = particles; this.firstPersonParticles = firstPersonParticles; this.trails = trails; this.light = light; this.durability = durability; this.soundEventIndex = soundEventIndex; this.itemSoundSetIndex = itemSoundSetIndex; this.interactions = interactions; this.interactionVars = interactionVars; this.interactionConfig = interactionConfig; this.droppedItemAnimation = droppedItemAnimation; this.tagIndexes = tagIndexes; this.itemAppearanceConditions = itemAppearanceConditions; this.displayEntityStatsHUD = displayEntityStatsHUD; this.pullbackConfig = pullbackConfig; this.clipsGeometry = clipsGeometry; this.renderDeployablePreview = renderDeployablePreview; } public ItemBase(@Nonnull final ItemBase other) { this.id = other.id; this.model = other.model; this.scale = other.scale; this.texture = other.texture; this.animation = other.animation; this.playerAnimationsId = other.playerAnimationsId; this.usePlayerAnimations = other.usePlayerAnimations; this.maxStack = other.maxStack; this.reticleIndex = other.reticleIndex; this.icon = other.icon; this.iconProperties = other.iconProperties; this.translationProperties = other.translationProperties; this.itemLevel = other.itemLevel; this.qualityIndex = other.qualityIndex; this.resourceTypes = other.resourceTypes; this.consumable = other.consumable; this.variant = other.variant; this.blockId = other.blockId; this.tool = other.tool; this.weapon = other.weapon; this.armor = other.armor; this.gliderConfig = other.gliderConfig; this.utility = other.utility; this.blockSelectorTool = other.blockSelectorTool; this.builderToolData = other.builderToolData; this.itemEntity = other.itemEntity; this.set = other.set; this.categories = other.categories; this.particles = other.particles; this.firstPersonParticles = other.firstPersonParticles; this.trails = other.trails; this.light = other.light; this.durability = other.durability; this.soundEventIndex = other.soundEventIndex; this.itemSoundSetIndex = other.itemSoundSetIndex; this.interactions = other.interactions; this.interactionVars = other.interactionVars; this.interactionConfig = other.interactionConfig; this.droppedItemAnimation = other.droppedItemAnimation; this.tagIndexes = other.tagIndexes; this.itemAppearanceConditions = other.itemAppearanceConditions; this.displayEntityStatsHUD = other.displayEntityStatsHUD; this.pullbackConfig = other.pullbackConfig; this.clipsGeometry = other.clipsGeometry; this.renderDeployablePreview = other.renderDeployablePreview; } @Nonnull public static ItemBase deserialize(@Nonnull final ByteBuf buf, final int offset) { final ItemBase obj = new ItemBase(); final byte[] nullBits = PacketIO.readBytes(buf, offset, 4); obj.scale = buf.getFloatLE(offset + 4); obj.usePlayerAnimations = (buf.getByte(offset + 8) != 0); obj.maxStack = buf.getIntLE(offset + 9); obj.reticleIndex = buf.getIntLE(offset + 13); if ((nullBits[0] & 0x1) != 0x0) { obj.iconProperties = AssetIconProperties.deserialize(buf, offset + 17); } obj.itemLevel = buf.getIntLE(offset + 42); obj.qualityIndex = buf.getIntLE(offset + 46); obj.consumable = (buf.getByte(offset + 50) != 0); obj.variant = (buf.getByte(offset + 51) != 0); obj.blockId = buf.getIntLE(offset + 52); if ((nullBits[0] & 0x2) != 0x0) { obj.gliderConfig = ItemGlider.deserialize(buf, offset + 56); } if ((nullBits[0] & 0x4) != 0x0) { obj.blockSelectorTool = BlockSelectorToolData.deserialize(buf, offset + 72); } if ((nullBits[0] & 0x8) != 0x0) { obj.light = ColorLight.deserialize(buf, offset + 76); } obj.durability = buf.getDoubleLE(offset + 80); obj.soundEventIndex = buf.getIntLE(offset + 88); obj.itemSoundSetIndex = buf.getIntLE(offset + 92); if ((nullBits[0] & 0x10) != 0x0) { obj.pullbackConfig = ItemPullbackConfiguration.deserialize(buf, offset + 96); } obj.clipsGeometry = (buf.getByte(offset + 145) != 0); obj.renderDeployablePreview = (buf.getByte(offset + 146) != 0); if ((nullBits[0] & 0x20) != 0x0) { final int varPos0 = offset + 251 + buf.getIntLE(offset + 147); final 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[0] & 0x40) != 0x0) { final int varPos2 = offset + 251 + buf.getIntLE(offset + 151); final int modelLen = VarInt.peek(buf, varPos2); if (modelLen < 0) { throw ProtocolException.negativeLength("Model", modelLen); } if (modelLen > 4096000) { throw ProtocolException.stringTooLong("Model", modelLen, 4096000); } obj.model = PacketIO.readVarString(buf, varPos2, PacketIO.UTF8); } if ((nullBits[0] & 0x80) != 0x0) { final int varPos3 = offset + 251 + buf.getIntLE(offset + 155); final int textureLen = VarInt.peek(buf, varPos3); if (textureLen < 0) { throw ProtocolException.negativeLength("Texture", textureLen); } if (textureLen > 4096000) { throw ProtocolException.stringTooLong("Texture", textureLen, 4096000); } obj.texture = PacketIO.readVarString(buf, varPos3, PacketIO.UTF8); } if ((nullBits[1] & 0x1) != 0x0) { final int varPos4 = offset + 251 + buf.getIntLE(offset + 159); final int animationLen = VarInt.peek(buf, varPos4); if (animationLen < 0) { throw ProtocolException.negativeLength("Animation", animationLen); } if (animationLen > 4096000) { throw ProtocolException.stringTooLong("Animation", animationLen, 4096000); } obj.animation = PacketIO.readVarString(buf, varPos4, PacketIO.UTF8); } if ((nullBits[1] & 0x2) != 0x0) { final int varPos5 = offset + 251 + buf.getIntLE(offset + 163); final int playerAnimationsIdLen = VarInt.peek(buf, varPos5); if (playerAnimationsIdLen < 0) { throw ProtocolException.negativeLength("PlayerAnimationsId", playerAnimationsIdLen); } if (playerAnimationsIdLen > 4096000) { throw ProtocolException.stringTooLong("PlayerAnimationsId", playerAnimationsIdLen, 4096000); } obj.playerAnimationsId = PacketIO.readVarString(buf, varPos5, PacketIO.UTF8); } if ((nullBits[1] & 0x4) != 0x0) { final int varPos6 = offset + 251 + buf.getIntLE(offset + 167); final int iconLen = VarInt.peek(buf, varPos6); if (iconLen < 0) { throw ProtocolException.negativeLength("Icon", iconLen); } if (iconLen > 4096000) { throw ProtocolException.stringTooLong("Icon", iconLen, 4096000); } obj.icon = PacketIO.readVarString(buf, varPos6, PacketIO.UTF8); } if ((nullBits[1] & 0x8) != 0x0) { final int varPos7 = offset + 251 + buf.getIntLE(offset + 171); obj.translationProperties = ItemTranslationProperties.deserialize(buf, varPos7); } if ((nullBits[1] & 0x10) != 0x0) { final int varPos8 = offset + 251 + buf.getIntLE(offset + 175); final int resourceTypesCount = VarInt.peek(buf, varPos8); if (resourceTypesCount < 0) { throw ProtocolException.negativeLength("ResourceTypes", resourceTypesCount); } if (resourceTypesCount > 4096000) { throw ProtocolException.arrayTooLong("ResourceTypes", resourceTypesCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos8); if (varPos8 + varIntLen + resourceTypesCount * 5L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("ResourceTypes", varPos8 + varIntLen + resourceTypesCount * 5, buf.readableBytes()); } obj.resourceTypes = new ItemResourceType[resourceTypesCount]; int elemPos = varPos8 + varIntLen; for (int i = 0; i < resourceTypesCount; ++i) { obj.resourceTypes[i] = ItemResourceType.deserialize(buf, elemPos); elemPos += ItemResourceType.computeBytesConsumed(buf, elemPos); } } if ((nullBits[1] & 0x20) != 0x0) { final int varPos9 = offset + 251 + buf.getIntLE(offset + 179); obj.tool = ItemTool.deserialize(buf, varPos9); } if ((nullBits[1] & 0x40) != 0x0) { final int varPos10 = offset + 251 + buf.getIntLE(offset + 183); obj.weapon = ItemWeapon.deserialize(buf, varPos10); } if ((nullBits[1] & 0x80) != 0x0) { final int varPos11 = offset + 251 + buf.getIntLE(offset + 187); obj.armor = ItemArmor.deserialize(buf, varPos11); } if ((nullBits[2] & 0x1) != 0x0) { final int varPos12 = offset + 251 + buf.getIntLE(offset + 191); obj.utility = ItemUtility.deserialize(buf, varPos12); } if ((nullBits[2] & 0x2) != 0x0) { final int varPos13 = offset + 251 + buf.getIntLE(offset + 195); obj.builderToolData = ItemBuilderToolData.deserialize(buf, varPos13); } if ((nullBits[2] & 0x4) != 0x0) { final int varPos14 = offset + 251 + buf.getIntLE(offset + 199); obj.itemEntity = ItemEntityConfig.deserialize(buf, varPos14); } if ((nullBits[2] & 0x8) != 0x0) { final int varPos15 = offset + 251 + buf.getIntLE(offset + 203); final int setLen = VarInt.peek(buf, varPos15); if (setLen < 0) { throw ProtocolException.negativeLength("Set", setLen); } if (setLen > 4096000) { throw ProtocolException.stringTooLong("Set", setLen, 4096000); } obj.set = PacketIO.readVarString(buf, varPos15, PacketIO.UTF8); } if ((nullBits[2] & 0x10) != 0x0) { final int varPos16 = offset + 251 + buf.getIntLE(offset + 207); final int categoriesCount = VarInt.peek(buf, varPos16); if (categoriesCount < 0) { throw ProtocolException.negativeLength("Categories", categoriesCount); } if (categoriesCount > 4096000) { throw ProtocolException.arrayTooLong("Categories", categoriesCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos16); if (varPos16 + varIntLen + categoriesCount * 1L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("Categories", varPos16 + varIntLen + categoriesCount * 1, buf.readableBytes()); } obj.categories = new String[categoriesCount]; int elemPos = varPos16 + varIntLen; for (int i = 0; i < categoriesCount; ++i) { final int strLen = VarInt.peek(buf, elemPos); if (strLen < 0) { throw ProtocolException.negativeLength("categories[" + i, strLen); } if (strLen > 4096000) { throw ProtocolException.stringTooLong("categories[" + i, strLen, 4096000); } final int strVarLen = VarInt.length(buf, elemPos); obj.categories[i] = PacketIO.readVarString(buf, elemPos); elemPos += strVarLen + strLen; } } if ((nullBits[2] & 0x20) != 0x0) { final int varPos17 = offset + 251 + buf.getIntLE(offset + 211); final int particlesCount = VarInt.peek(buf, varPos17); if (particlesCount < 0) { throw ProtocolException.negativeLength("Particles", particlesCount); } if (particlesCount > 4096000) { throw ProtocolException.arrayTooLong("Particles", particlesCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos17); if (varPos17 + varIntLen + particlesCount * 34L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("Particles", varPos17 + varIntLen + particlesCount * 34, buf.readableBytes()); } obj.particles = new ModelParticle[particlesCount]; int elemPos = varPos17 + varIntLen; for (int i = 0; i < particlesCount; ++i) { obj.particles[i] = ModelParticle.deserialize(buf, elemPos); elemPos += ModelParticle.computeBytesConsumed(buf, elemPos); } } if ((nullBits[2] & 0x40) != 0x0) { final int varPos18 = offset + 251 + buf.getIntLE(offset + 215); final int firstPersonParticlesCount = VarInt.peek(buf, varPos18); if (firstPersonParticlesCount < 0) { throw ProtocolException.negativeLength("FirstPersonParticles", firstPersonParticlesCount); } if (firstPersonParticlesCount > 4096000) { throw ProtocolException.arrayTooLong("FirstPersonParticles", firstPersonParticlesCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos18); if (varPos18 + varIntLen + firstPersonParticlesCount * 34L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("FirstPersonParticles", varPos18 + varIntLen + firstPersonParticlesCount * 34, buf.readableBytes()); } obj.firstPersonParticles = new ModelParticle[firstPersonParticlesCount]; int elemPos = varPos18 + varIntLen; for (int i = 0; i < firstPersonParticlesCount; ++i) { obj.firstPersonParticles[i] = ModelParticle.deserialize(buf, elemPos); elemPos += ModelParticle.computeBytesConsumed(buf, elemPos); } } if ((nullBits[2] & 0x80) != 0x0) { final int varPos19 = offset + 251 + buf.getIntLE(offset + 219); final int trailsCount = VarInt.peek(buf, varPos19); if (trailsCount < 0) { throw ProtocolException.negativeLength("Trails", trailsCount); } if (trailsCount > 4096000) { throw ProtocolException.arrayTooLong("Trails", trailsCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos19); if (varPos19 + varIntLen + trailsCount * 27L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("Trails", varPos19 + varIntLen + trailsCount * 27, buf.readableBytes()); } obj.trails = new ModelTrail[trailsCount]; int elemPos = varPos19 + varIntLen; for (int i = 0; i < trailsCount; ++i) { obj.trails[i] = ModelTrail.deserialize(buf, elemPos); elemPos += ModelTrail.computeBytesConsumed(buf, elemPos); } } if ((nullBits[3] & 0x1) != 0x0) { final int varPos20 = offset + 251 + buf.getIntLE(offset + 223); final int interactionsCount = VarInt.peek(buf, varPos20); if (interactionsCount < 0) { throw ProtocolException.negativeLength("Interactions", interactionsCount); } if (interactionsCount > 4096000) { throw ProtocolException.dictionaryTooLarge("Interactions", interactionsCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos20); obj.interactions = new HashMap(interactionsCount); int dictPos = varPos20 + varIntLen; for (int i = 0; i < interactionsCount; ++i) { final InteractionType key = InteractionType.fromValue(buf.getByte(dictPos)); ++dictPos; final int val = buf.getIntLE(dictPos); dictPos += 4; if (obj.interactions.put(key, val) != null) { throw ProtocolException.duplicateKey("interactions", key); } } } if ((nullBits[3] & 0x2) != 0x0) { final int varPos21 = offset + 251 + buf.getIntLE(offset + 227); final int interactionVarsCount = VarInt.peek(buf, varPos21); if (interactionVarsCount < 0) { throw ProtocolException.negativeLength("InteractionVars", interactionVarsCount); } if (interactionVarsCount > 4096000) { throw ProtocolException.dictionaryTooLarge("InteractionVars", interactionVarsCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos21); obj.interactionVars = new HashMap(interactionVarsCount); int dictPos = varPos21 + varIntLen; for (int i = 0; i < interactionVarsCount; ++i) { final int keyLen = VarInt.peek(buf, dictPos); if (keyLen < 0) { throw ProtocolException.negativeLength("key", keyLen); } if (keyLen > 4096000) { throw ProtocolException.stringTooLong("key", keyLen, 4096000); } final int keyVarLen = VarInt.length(buf, dictPos); final String key2 = PacketIO.readVarString(buf, dictPos); dictPos += keyVarLen + keyLen; final int val2 = buf.getIntLE(dictPos); dictPos += 4; if (obj.interactionVars.put(key2, val2) != null) { throw ProtocolException.duplicateKey("interactionVars", key2); } } } if ((nullBits[3] & 0x4) != 0x0) { final int varPos22 = offset + 251 + buf.getIntLE(offset + 231); obj.interactionConfig = InteractionConfiguration.deserialize(buf, varPos22); } if ((nullBits[3] & 0x8) != 0x0) { final int varPos23 = offset + 251 + buf.getIntLE(offset + 235); final int droppedItemAnimationLen = VarInt.peek(buf, varPos23); if (droppedItemAnimationLen < 0) { throw ProtocolException.negativeLength("DroppedItemAnimation", droppedItemAnimationLen); } if (droppedItemAnimationLen > 4096000) { throw ProtocolException.stringTooLong("DroppedItemAnimation", droppedItemAnimationLen, 4096000); } obj.droppedItemAnimation = PacketIO.readVarString(buf, varPos23, PacketIO.UTF8); } if ((nullBits[3] & 0x10) != 0x0) { final int varPos24 = offset + 251 + buf.getIntLE(offset + 239); final int tagIndexesCount = VarInt.peek(buf, varPos24); if (tagIndexesCount < 0) { throw ProtocolException.negativeLength("TagIndexes", tagIndexesCount); } if (tagIndexesCount > 4096000) { throw ProtocolException.arrayTooLong("TagIndexes", tagIndexesCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos24); if (varPos24 + varIntLen + tagIndexesCount * 4L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("TagIndexes", varPos24 + varIntLen + tagIndexesCount * 4, buf.readableBytes()); } obj.tagIndexes = new int[tagIndexesCount]; for (int j = 0; j < tagIndexesCount; ++j) { obj.tagIndexes[j] = buf.getIntLE(varPos24 + varIntLen + j * 4); } } if ((nullBits[3] & 0x20) != 0x0) { final int varPos25 = offset + 251 + buf.getIntLE(offset + 243); final int itemAppearanceConditionsCount = VarInt.peek(buf, varPos25); if (itemAppearanceConditionsCount < 0) { throw ProtocolException.negativeLength("ItemAppearanceConditions", itemAppearanceConditionsCount); } if (itemAppearanceConditionsCount > 4096000) { throw ProtocolException.dictionaryTooLarge("ItemAppearanceConditions", itemAppearanceConditionsCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos25); obj.itemAppearanceConditions = new HashMap(itemAppearanceConditionsCount); int dictPos = varPos25 + varIntLen; for (int i = 0; i < itemAppearanceConditionsCount; ++i) { final int key3 = buf.getIntLE(dictPos); dictPos += 4; final int valLen = VarInt.peek(buf, dictPos); if (valLen < 0) { throw ProtocolException.negativeLength("val", valLen); } if (valLen > 64) { throw ProtocolException.arrayTooLong("val", valLen, 64); } final int valVarLen = VarInt.length(buf, dictPos); if (dictPos + valVarLen + valLen * 18L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("val", dictPos + valVarLen + valLen * 18, buf.readableBytes()); } dictPos += valVarLen; final ItemAppearanceCondition[] val3 = new ItemAppearanceCondition[valLen]; for (int valIdx = 0; valIdx < valLen; ++valIdx) { val3[valIdx] = ItemAppearanceCondition.deserialize(buf, dictPos); dictPos += ItemAppearanceCondition.computeBytesConsumed(buf, dictPos); } if (obj.itemAppearanceConditions.put(key3, val3) != null) { throw ProtocolException.duplicateKey("itemAppearanceConditions", key3); } } } if ((nullBits[3] & 0x40) != 0x0) { final int varPos26 = offset + 251 + buf.getIntLE(offset + 247); final int displayEntityStatsHUDCount = VarInt.peek(buf, varPos26); if (displayEntityStatsHUDCount < 0) { throw ProtocolException.negativeLength("DisplayEntityStatsHUD", displayEntityStatsHUDCount); } if (displayEntityStatsHUDCount > 4096000) { throw ProtocolException.arrayTooLong("DisplayEntityStatsHUD", displayEntityStatsHUDCount, 4096000); } final int varIntLen = VarInt.length(buf, varPos26); if (varPos26 + varIntLen + displayEntityStatsHUDCount * 4L > buf.readableBytes()) { throw ProtocolException.bufferTooSmall("DisplayEntityStatsHUD", varPos26 + varIntLen + displayEntityStatsHUDCount * 4, buf.readableBytes()); } obj.displayEntityStatsHUD = new int[displayEntityStatsHUDCount]; for (int j = 0; j < displayEntityStatsHUDCount; ++j) { obj.displayEntityStatsHUD[j] = buf.getIntLE(varPos26 + varIntLen + j * 4); } } return obj; } public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) { final byte[] nullBits = PacketIO.readBytes(buf, offset, 4); int maxEnd = 251; if ((nullBits[0] & 0x20) != 0x0) { final int fieldOffset0 = buf.getIntLE(offset + 147); int pos0 = offset + 251 + fieldOffset0; final int sl = VarInt.peek(buf, pos0); pos0 += VarInt.length(buf, pos0) + sl; if (pos0 - offset > maxEnd) { maxEnd = pos0 - offset; } } if ((nullBits[0] & 0x40) != 0x0) { final int fieldOffset2 = buf.getIntLE(offset + 151); int pos2 = offset + 251 + fieldOffset2; final int sl = VarInt.peek(buf, pos2); pos2 += VarInt.length(buf, pos2) + sl; if (pos2 - offset > maxEnd) { maxEnd = pos2 - offset; } } if ((nullBits[0] & 0x80) != 0x0) { final int fieldOffset3 = buf.getIntLE(offset + 155); int pos3 = offset + 251 + fieldOffset3; final int sl = VarInt.peek(buf, pos3); pos3 += VarInt.length(buf, pos3) + sl; if (pos3 - offset > maxEnd) { maxEnd = pos3 - offset; } } if ((nullBits[1] & 0x1) != 0x0) { final int fieldOffset4 = buf.getIntLE(offset + 159); int pos4 = offset + 251 + fieldOffset4; final int sl = VarInt.peek(buf, pos4); pos4 += VarInt.length(buf, pos4) + sl; if (pos4 - offset > maxEnd) { maxEnd = pos4 - offset; } } if ((nullBits[1] & 0x2) != 0x0) { final int fieldOffset5 = buf.getIntLE(offset + 163); int pos5 = offset + 251 + fieldOffset5; final int sl = VarInt.peek(buf, pos5); pos5 += VarInt.length(buf, pos5) + sl; if (pos5 - offset > maxEnd) { maxEnd = pos5 - offset; } } if ((nullBits[1] & 0x4) != 0x0) { final int fieldOffset6 = buf.getIntLE(offset + 167); int pos6 = offset + 251 + fieldOffset6; final int sl = VarInt.peek(buf, pos6); pos6 += VarInt.length(buf, pos6) + sl; if (pos6 - offset > maxEnd) { maxEnd = pos6 - offset; } } if ((nullBits[1] & 0x8) != 0x0) { final int fieldOffset7 = buf.getIntLE(offset + 171); int pos7 = offset + 251 + fieldOffset7; pos7 += ItemTranslationProperties.computeBytesConsumed(buf, pos7); if (pos7 - offset > maxEnd) { maxEnd = pos7 - offset; } } if ((nullBits[1] & 0x10) != 0x0) { final int fieldOffset8 = buf.getIntLE(offset + 175); int pos8 = offset + 251 + fieldOffset8; final int arrLen = VarInt.peek(buf, pos8); pos8 += VarInt.length(buf, pos8); for (int i = 0; i < arrLen; ++i) { pos8 += ItemResourceType.computeBytesConsumed(buf, pos8); } if (pos8 - offset > maxEnd) { maxEnd = pos8 - offset; } } if ((nullBits[1] & 0x20) != 0x0) { final int fieldOffset9 = buf.getIntLE(offset + 179); int pos9 = offset + 251 + fieldOffset9; pos9 += ItemTool.computeBytesConsumed(buf, pos9); if (pos9 - offset > maxEnd) { maxEnd = pos9 - offset; } } if ((nullBits[1] & 0x40) != 0x0) { final int fieldOffset10 = buf.getIntLE(offset + 183); int pos10 = offset + 251 + fieldOffset10; pos10 += ItemWeapon.computeBytesConsumed(buf, pos10); if (pos10 - offset > maxEnd) { maxEnd = pos10 - offset; } } if ((nullBits[1] & 0x80) != 0x0) { final int fieldOffset11 = buf.getIntLE(offset + 187); int pos11 = offset + 251 + fieldOffset11; pos11 += ItemArmor.computeBytesConsumed(buf, pos11); if (pos11 - offset > maxEnd) { maxEnd = pos11 - offset; } } if ((nullBits[2] & 0x1) != 0x0) { final int fieldOffset12 = buf.getIntLE(offset + 191); int pos12 = offset + 251 + fieldOffset12; pos12 += ItemUtility.computeBytesConsumed(buf, pos12); if (pos12 - offset > maxEnd) { maxEnd = pos12 - offset; } } if ((nullBits[2] & 0x2) != 0x0) { final int fieldOffset13 = buf.getIntLE(offset + 195); int pos13 = offset + 251 + fieldOffset13; pos13 += ItemBuilderToolData.computeBytesConsumed(buf, pos13); if (pos13 - offset > maxEnd) { maxEnd = pos13 - offset; } } if ((nullBits[2] & 0x4) != 0x0) { final int fieldOffset14 = buf.getIntLE(offset + 199); int pos14 = offset + 251 + fieldOffset14; pos14 += ItemEntityConfig.computeBytesConsumed(buf, pos14); if (pos14 - offset > maxEnd) { maxEnd = pos14 - offset; } } if ((nullBits[2] & 0x8) != 0x0) { final int fieldOffset15 = buf.getIntLE(offset + 203); int pos15 = offset + 251 + fieldOffset15; final int sl = VarInt.peek(buf, pos15); pos15 += VarInt.length(buf, pos15) + sl; if (pos15 - offset > maxEnd) { maxEnd = pos15 - offset; } } if ((nullBits[2] & 0x10) != 0x0) { final int fieldOffset16 = buf.getIntLE(offset + 207); int pos16 = offset + 251 + fieldOffset16; final int arrLen = VarInt.peek(buf, pos16); pos16 += VarInt.length(buf, pos16); for (int i = 0; i < arrLen; ++i) { final int sl2 = VarInt.peek(buf, pos16); pos16 += VarInt.length(buf, pos16) + sl2; } if (pos16 - offset > maxEnd) { maxEnd = pos16 - offset; } } if ((nullBits[2] & 0x20) != 0x0) { final int fieldOffset17 = buf.getIntLE(offset + 211); int pos17 = offset + 251 + fieldOffset17; final int arrLen = VarInt.peek(buf, pos17); pos17 += VarInt.length(buf, pos17); for (int i = 0; i < arrLen; ++i) { pos17 += ModelParticle.computeBytesConsumed(buf, pos17); } if (pos17 - offset > maxEnd) { maxEnd = pos17 - offset; } } if ((nullBits[2] & 0x40) != 0x0) { final int fieldOffset18 = buf.getIntLE(offset + 215); int pos18 = offset + 251 + fieldOffset18; final int arrLen = VarInt.peek(buf, pos18); pos18 += VarInt.length(buf, pos18); for (int i = 0; i < arrLen; ++i) { pos18 += ModelParticle.computeBytesConsumed(buf, pos18); } if (pos18 - offset > maxEnd) { maxEnd = pos18 - offset; } } if ((nullBits[2] & 0x80) != 0x0) { final int fieldOffset19 = buf.getIntLE(offset + 219); int pos19 = offset + 251 + fieldOffset19; final int arrLen = VarInt.peek(buf, pos19); pos19 += VarInt.length(buf, pos19); for (int i = 0; i < arrLen; ++i) { pos19 += ModelTrail.computeBytesConsumed(buf, pos19); } if (pos19 - offset > maxEnd) { maxEnd = pos19 - offset; } } if ((nullBits[3] & 0x1) != 0x0) { final int fieldOffset20 = buf.getIntLE(offset + 223); int pos20 = offset + 251 + fieldOffset20; final int dictLen = VarInt.peek(buf, pos20); pos20 += VarInt.length(buf, pos20); for (int i = 0; i < dictLen; ++i) { ++pos20; pos20 += 4; } if (pos20 - offset > maxEnd) { maxEnd = pos20 - offset; } } if ((nullBits[3] & 0x2) != 0x0) { final int fieldOffset21 = buf.getIntLE(offset + 227); int pos21 = offset + 251 + fieldOffset21; final int dictLen = VarInt.peek(buf, pos21); pos21 += VarInt.length(buf, pos21); for (int i = 0; i < dictLen; ++i) { final int sl2 = VarInt.peek(buf, pos21); pos21 += VarInt.length(buf, pos21) + sl2; pos21 += 4; } if (pos21 - offset > maxEnd) { maxEnd = pos21 - offset; } } if ((nullBits[3] & 0x4) != 0x0) { final int fieldOffset22 = buf.getIntLE(offset + 231); int pos22 = offset + 251 + fieldOffset22; pos22 += InteractionConfiguration.computeBytesConsumed(buf, pos22); if (pos22 - offset > maxEnd) { maxEnd = pos22 - offset; } } if ((nullBits[3] & 0x8) != 0x0) { final int fieldOffset23 = buf.getIntLE(offset + 235); int pos23 = offset + 251 + fieldOffset23; final int sl = VarInt.peek(buf, pos23); pos23 += VarInt.length(buf, pos23) + sl; if (pos23 - offset > maxEnd) { maxEnd = pos23 - offset; } } if ((nullBits[3] & 0x10) != 0x0) { final int fieldOffset24 = buf.getIntLE(offset + 239); int pos24 = offset + 251 + fieldOffset24; final int arrLen = VarInt.peek(buf, pos24); pos24 += VarInt.length(buf, pos24) + arrLen * 4; if (pos24 - offset > maxEnd) { maxEnd = pos24 - offset; } } if ((nullBits[3] & 0x20) != 0x0) { final int fieldOffset25 = buf.getIntLE(offset + 243); int pos25 = offset + 251 + fieldOffset25; final int dictLen = VarInt.peek(buf, pos25); pos25 += VarInt.length(buf, pos25); for (int i = 0; i < dictLen; ++i) { pos25 += 4; final int al = VarInt.peek(buf, pos25); pos25 += VarInt.length(buf, pos25); for (int j = 0; j < al; ++j) { pos25 += ItemAppearanceCondition.computeBytesConsumed(buf, pos25); } } if (pos25 - offset > maxEnd) { maxEnd = pos25 - offset; } } if ((nullBits[3] & 0x40) != 0x0) { final int fieldOffset26 = buf.getIntLE(offset + 247); int pos26 = offset + 251 + fieldOffset26; final int arrLen = VarInt.peek(buf, pos26); pos26 += VarInt.length(buf, pos26) + arrLen * 4; if (pos26 - offset > maxEnd) { maxEnd = pos26 - offset; } } return maxEnd; } public void serialize(@Nonnull final ByteBuf buf) { final int startPos = buf.writerIndex(); final byte[] nullBits = new byte[4]; if (this.iconProperties != null) { final byte[] array = nullBits; final int n = 0; array[n] |= 0x1; } if (this.gliderConfig != null) { final byte[] array2 = nullBits; final int n2 = 0; array2[n2] |= 0x2; } if (this.blockSelectorTool != null) { final byte[] array3 = nullBits; final int n3 = 0; array3[n3] |= 0x4; } if (this.light != null) { final byte[] array4 = nullBits; final int n4 = 0; array4[n4] |= 0x8; } if (this.pullbackConfig != null) { final byte[] array5 = nullBits; final int n5 = 0; array5[n5] |= 0x10; } if (this.id != null) { final byte[] array6 = nullBits; final int n6 = 0; array6[n6] |= 0x20; } if (this.model != null) { final byte[] array7 = nullBits; final int n7 = 0; array7[n7] |= 0x40; } if (this.texture != null) { final byte[] array8 = nullBits; final int n8 = 0; array8[n8] |= (byte)128; } if (this.animation != null) { final byte[] array9 = nullBits; final int n9 = 1; array9[n9] |= 0x1; } if (this.playerAnimationsId != null) { final byte[] array10 = nullBits; final int n10 = 1; array10[n10] |= 0x2; } if (this.icon != null) { final byte[] array11 = nullBits; final int n11 = 1; array11[n11] |= 0x4; } if (this.translationProperties != null) { final byte[] array12 = nullBits; final int n12 = 1; array12[n12] |= 0x8; } if (this.resourceTypes != null) { final byte[] array13 = nullBits; final int n13 = 1; array13[n13] |= 0x10; } if (this.tool != null) { final byte[] array14 = nullBits; final int n14 = 1; array14[n14] |= 0x20; } if (this.weapon != null) { final byte[] array15 = nullBits; final int n15 = 1; array15[n15] |= 0x40; } if (this.armor != null) { final byte[] array16 = nullBits; final int n16 = 1; array16[n16] |= (byte)128; } if (this.utility != null) { final byte[] array17 = nullBits; final int n17 = 2; array17[n17] |= 0x1; } if (this.builderToolData != null) { final byte[] array18 = nullBits; final int n18 = 2; array18[n18] |= 0x2; } if (this.itemEntity != null) { final byte[] array19 = nullBits; final int n19 = 2; array19[n19] |= 0x4; } if (this.set != null) { final byte[] array20 = nullBits; final int n20 = 2; array20[n20] |= 0x8; } if (this.categories != null) { final byte[] array21 = nullBits; final int n21 = 2; array21[n21] |= 0x10; } if (this.particles != null) { final byte[] array22 = nullBits; final int n22 = 2; array22[n22] |= 0x20; } if (this.firstPersonParticles != null) { final byte[] array23 = nullBits; final int n23 = 2; array23[n23] |= 0x40; } if (this.trails != null) { final byte[] array24 = nullBits; final int n24 = 2; array24[n24] |= (byte)128; } if (this.interactions != null) { final byte[] array25 = nullBits; final int n25 = 3; array25[n25] |= 0x1; } if (this.interactionVars != null) { final byte[] array26 = nullBits; final int n26 = 3; array26[n26] |= 0x2; } if (this.interactionConfig != null) { final byte[] array27 = nullBits; final int n27 = 3; array27[n27] |= 0x4; } if (this.droppedItemAnimation != null) { final byte[] array28 = nullBits; final int n28 = 3; array28[n28] |= 0x8; } if (this.tagIndexes != null) { final byte[] array29 = nullBits; final int n29 = 3; array29[n29] |= 0x10; } if (this.itemAppearanceConditions != null) { final byte[] array30 = nullBits; final int n30 = 3; array30[n30] |= 0x20; } if (this.displayEntityStatsHUD != null) { final byte[] array31 = nullBits; final int n31 = 3; array31[n31] |= 0x40; } buf.writeBytes(nullBits); buf.writeFloatLE(this.scale); buf.writeByte(this.usePlayerAnimations ? 1 : 0); buf.writeIntLE(this.maxStack); buf.writeIntLE(this.reticleIndex); if (this.iconProperties != null) { this.iconProperties.serialize(buf); } else { buf.writeZero(25); } buf.writeIntLE(this.itemLevel); buf.writeIntLE(this.qualityIndex); buf.writeByte(this.consumable ? 1 : 0); buf.writeByte(this.variant ? 1 : 0); buf.writeIntLE(this.blockId); if (this.gliderConfig != null) { this.gliderConfig.serialize(buf); } else { buf.writeZero(16); } if (this.blockSelectorTool != null) { this.blockSelectorTool.serialize(buf); } else { buf.writeZero(4); } if (this.light != null) { this.light.serialize(buf); } else { buf.writeZero(4); } buf.writeDoubleLE(this.durability); buf.writeIntLE(this.soundEventIndex); buf.writeIntLE(this.itemSoundSetIndex); if (this.pullbackConfig != null) { this.pullbackConfig.serialize(buf); } else { buf.writeZero(49); } buf.writeByte(this.clipsGeometry ? 1 : 0); buf.writeByte(this.renderDeployablePreview ? 1 : 0); final int idOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int modelOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int textureOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int animationOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int playerAnimationsIdOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int iconOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int translationPropertiesOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int resourceTypesOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int toolOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int weaponOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int armorOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int utilityOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int builderToolDataOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int itemEntityOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int setOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int categoriesOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int particlesOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int firstPersonParticlesOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int trailsOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int interactionsOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int interactionVarsOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int interactionConfigOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int droppedItemAnimationOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int tagIndexesOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int itemAppearanceConditionsOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final int displayEntityStatsHUDOffsetSlot = buf.writerIndex(); buf.writeIntLE(0); final 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.model != null) { buf.setIntLE(modelOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.model, 4096000); } else { buf.setIntLE(modelOffsetSlot, -1); } if (this.texture != null) { buf.setIntLE(textureOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.texture, 4096000); } else { buf.setIntLE(textureOffsetSlot, -1); } if (this.animation != null) { buf.setIntLE(animationOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.animation, 4096000); } else { buf.setIntLE(animationOffsetSlot, -1); } if (this.playerAnimationsId != null) { buf.setIntLE(playerAnimationsIdOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.playerAnimationsId, 4096000); } else { buf.setIntLE(playerAnimationsIdOffsetSlot, -1); } if (this.icon != null) { buf.setIntLE(iconOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.icon, 4096000); } else { buf.setIntLE(iconOffsetSlot, -1); } if (this.translationProperties != null) { buf.setIntLE(translationPropertiesOffsetSlot, buf.writerIndex() - varBlockStart); this.translationProperties.serialize(buf); } else { buf.setIntLE(translationPropertiesOffsetSlot, -1); } if (this.resourceTypes != null) { buf.setIntLE(resourceTypesOffsetSlot, buf.writerIndex() - varBlockStart); if (this.resourceTypes.length > 4096000) { throw ProtocolException.arrayTooLong("ResourceTypes", this.resourceTypes.length, 4096000); } VarInt.write(buf, this.resourceTypes.length); for (final ItemResourceType item : this.resourceTypes) { item.serialize(buf); } } else { buf.setIntLE(resourceTypesOffsetSlot, -1); } if (this.tool != null) { buf.setIntLE(toolOffsetSlot, buf.writerIndex() - varBlockStart); this.tool.serialize(buf); } else { buf.setIntLE(toolOffsetSlot, -1); } if (this.weapon != null) { buf.setIntLE(weaponOffsetSlot, buf.writerIndex() - varBlockStart); this.weapon.serialize(buf); } else { buf.setIntLE(weaponOffsetSlot, -1); } if (this.armor != null) { buf.setIntLE(armorOffsetSlot, buf.writerIndex() - varBlockStart); this.armor.serialize(buf); } else { buf.setIntLE(armorOffsetSlot, -1); } if (this.utility != null) { buf.setIntLE(utilityOffsetSlot, buf.writerIndex() - varBlockStart); this.utility.serialize(buf); } else { buf.setIntLE(utilityOffsetSlot, -1); } if (this.builderToolData != null) { buf.setIntLE(builderToolDataOffsetSlot, buf.writerIndex() - varBlockStart); this.builderToolData.serialize(buf); } else { buf.setIntLE(builderToolDataOffsetSlot, -1); } if (this.itemEntity != null) { buf.setIntLE(itemEntityOffsetSlot, buf.writerIndex() - varBlockStart); this.itemEntity.serialize(buf); } else { buf.setIntLE(itemEntityOffsetSlot, -1); } if (this.set != null) { buf.setIntLE(setOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.set, 4096000); } else { buf.setIntLE(setOffsetSlot, -1); } if (this.categories != null) { buf.setIntLE(categoriesOffsetSlot, buf.writerIndex() - varBlockStart); if (this.categories.length > 4096000) { throw ProtocolException.arrayTooLong("Categories", this.categories.length, 4096000); } VarInt.write(buf, this.categories.length); for (final String item2 : this.categories) { PacketIO.writeVarString(buf, item2, 4096000); } } else { buf.setIntLE(categoriesOffsetSlot, -1); } if (this.particles != null) { buf.setIntLE(particlesOffsetSlot, buf.writerIndex() - varBlockStart); if (this.particles.length > 4096000) { throw ProtocolException.arrayTooLong("Particles", this.particles.length, 4096000); } VarInt.write(buf, this.particles.length); for (final ModelParticle item3 : this.particles) { item3.serialize(buf); } } else { buf.setIntLE(particlesOffsetSlot, -1); } if (this.firstPersonParticles != null) { buf.setIntLE(firstPersonParticlesOffsetSlot, buf.writerIndex() - varBlockStart); if (this.firstPersonParticles.length > 4096000) { throw ProtocolException.arrayTooLong("FirstPersonParticles", this.firstPersonParticles.length, 4096000); } VarInt.write(buf, this.firstPersonParticles.length); for (final ModelParticle item3 : this.firstPersonParticles) { item3.serialize(buf); } } else { buf.setIntLE(firstPersonParticlesOffsetSlot, -1); } if (this.trails != null) { buf.setIntLE(trailsOffsetSlot, buf.writerIndex() - varBlockStart); if (this.trails.length > 4096000) { throw ProtocolException.arrayTooLong("Trails", this.trails.length, 4096000); } VarInt.write(buf, this.trails.length); for (final ModelTrail item4 : this.trails) { item4.serialize(buf); } } else { buf.setIntLE(trailsOffsetSlot, -1); } if (this.interactions != null) { buf.setIntLE(interactionsOffsetSlot, buf.writerIndex() - varBlockStart); if (this.interactions.size() > 4096000) { throw ProtocolException.dictionaryTooLarge("Interactions", this.interactions.size(), 4096000); } VarInt.write(buf, this.interactions.size()); for (final Map.Entry e : this.interactions.entrySet()) { buf.writeByte(e.getKey().getValue()); buf.writeIntLE(e.getValue()); } } else { buf.setIntLE(interactionsOffsetSlot, -1); } if (this.interactionVars != null) { buf.setIntLE(interactionVarsOffsetSlot, buf.writerIndex() - varBlockStart); if (this.interactionVars.size() > 4096000) { throw ProtocolException.dictionaryTooLarge("InteractionVars", this.interactionVars.size(), 4096000); } VarInt.write(buf, this.interactionVars.size()); for (final Map.Entry e2 : this.interactionVars.entrySet()) { PacketIO.writeVarString(buf, e2.getKey(), 4096000); buf.writeIntLE(e2.getValue()); } } else { buf.setIntLE(interactionVarsOffsetSlot, -1); } if (this.interactionConfig != null) { buf.setIntLE(interactionConfigOffsetSlot, buf.writerIndex() - varBlockStart); this.interactionConfig.serialize(buf); } else { buf.setIntLE(interactionConfigOffsetSlot, -1); } if (this.droppedItemAnimation != null) { buf.setIntLE(droppedItemAnimationOffsetSlot, buf.writerIndex() - varBlockStart); PacketIO.writeVarString(buf, this.droppedItemAnimation, 4096000); } else { buf.setIntLE(droppedItemAnimationOffsetSlot, -1); } if (this.tagIndexes != null) { buf.setIntLE(tagIndexesOffsetSlot, buf.writerIndex() - varBlockStart); if (this.tagIndexes.length > 4096000) { throw ProtocolException.arrayTooLong("TagIndexes", this.tagIndexes.length, 4096000); } VarInt.write(buf, this.tagIndexes.length); for (final int item5 : this.tagIndexes) { buf.writeIntLE(item5); } } else { buf.setIntLE(tagIndexesOffsetSlot, -1); } if (this.itemAppearanceConditions != null) { buf.setIntLE(itemAppearanceConditionsOffsetSlot, buf.writerIndex() - varBlockStart); if (this.itemAppearanceConditions.size() > 4096000) { throw ProtocolException.dictionaryTooLarge("ItemAppearanceConditions", this.itemAppearanceConditions.size(), 4096000); } VarInt.write(buf, this.itemAppearanceConditions.size()); for (final Map.Entry e3 : this.itemAppearanceConditions.entrySet()) { buf.writeIntLE(e3.getKey()); VarInt.write(buf, e3.getValue().length); for (final ItemAppearanceCondition arrItem : e3.getValue()) { arrItem.serialize(buf); } } } else { buf.setIntLE(itemAppearanceConditionsOffsetSlot, -1); } if (this.displayEntityStatsHUD != null) { buf.setIntLE(displayEntityStatsHUDOffsetSlot, buf.writerIndex() - varBlockStart); if (this.displayEntityStatsHUD.length > 4096000) { throw ProtocolException.arrayTooLong("DisplayEntityStatsHUD", this.displayEntityStatsHUD.length, 4096000); } VarInt.write(buf, this.displayEntityStatsHUD.length); for (final int item5 : this.displayEntityStatsHUD) { buf.writeIntLE(item5); } } else { buf.setIntLE(displayEntityStatsHUDOffsetSlot, -1); } } public int computeSize() { int size = 251; if (this.id != null) { size += PacketIO.stringSize(this.id); } if (this.model != null) { size += PacketIO.stringSize(this.model); } if (this.texture != null) { size += PacketIO.stringSize(this.texture); } if (this.animation != null) { size += PacketIO.stringSize(this.animation); } if (this.playerAnimationsId != null) { size += PacketIO.stringSize(this.playerAnimationsId); } if (this.icon != null) { size += PacketIO.stringSize(this.icon); } if (this.translationProperties != null) { size += this.translationProperties.computeSize(); } if (this.resourceTypes != null) { int resourceTypesSize = 0; for (final ItemResourceType elem : this.resourceTypes) { resourceTypesSize += elem.computeSize(); } size += VarInt.size(this.resourceTypes.length) + resourceTypesSize; } if (this.tool != null) { size += this.tool.computeSize(); } if (this.weapon != null) { size += this.weapon.computeSize(); } if (this.armor != null) { size += this.armor.computeSize(); } if (this.utility != null) { size += this.utility.computeSize(); } if (this.builderToolData != null) { size += this.builderToolData.computeSize(); } if (this.itemEntity != null) { size += this.itemEntity.computeSize(); } if (this.set != null) { size += PacketIO.stringSize(this.set); } if (this.categories != null) { int categoriesSize = 0; for (final String elem2 : this.categories) { categoriesSize += PacketIO.stringSize(elem2); } size += VarInt.size(this.categories.length) + categoriesSize; } if (this.particles != null) { int particlesSize = 0; for (final ModelParticle elem3 : this.particles) { particlesSize += elem3.computeSize(); } size += VarInt.size(this.particles.length) + particlesSize; } if (this.firstPersonParticles != null) { int firstPersonParticlesSize = 0; for (final ModelParticle elem3 : this.firstPersonParticles) { firstPersonParticlesSize += elem3.computeSize(); } size += VarInt.size(this.firstPersonParticles.length) + firstPersonParticlesSize; } if (this.trails != null) { int trailsSize = 0; for (final ModelTrail elem4 : this.trails) { trailsSize += elem4.computeSize(); } size += VarInt.size(this.trails.length) + trailsSize; } if (this.interactions != null) { size += VarInt.size(this.interactions.size()) + this.interactions.size() * 5; } if (this.interactionVars != null) { int interactionVarsSize = 0; for (final Map.Entry kvp : this.interactionVars.entrySet()) { interactionVarsSize += PacketIO.stringSize(kvp.getKey()) + 4; } size += VarInt.size(this.interactionVars.size()) + interactionVarsSize; } if (this.interactionConfig != null) { size += this.interactionConfig.computeSize(); } if (this.droppedItemAnimation != null) { size += PacketIO.stringSize(this.droppedItemAnimation); } if (this.tagIndexes != null) { size += VarInt.size(this.tagIndexes.length) + this.tagIndexes.length * 4; } if (this.itemAppearanceConditions != null) { int itemAppearanceConditionsSize = 0; for (final Map.Entry kvp2 : this.itemAppearanceConditions.entrySet()) { itemAppearanceConditionsSize += 4 + VarInt.size(kvp2.getValue().length) + Arrays.stream(kvp2.getValue()).mapToInt(inner -> inner.computeSize()).sum(); } size += VarInt.size(this.itemAppearanceConditions.size()) + itemAppearanceConditionsSize; } if (this.displayEntityStatsHUD != null) { size += VarInt.size(this.displayEntityStatsHUD.length) + this.displayEntityStatsHUD.length * 4; } return size; } public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) { if (buffer.readableBytes() - offset < 251) { return ValidationResult.error("Buffer too small: expected at least 251 bytes"); } final byte[] nullBits = PacketIO.readBytes(buffer, offset, 4); if ((nullBits[0] & 0x20) != 0x0) { final int idOffset = buffer.getIntLE(offset + 147); if (idOffset < 0) { return ValidationResult.error("Invalid offset for Id"); } int pos = offset + 251 + idOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Id"); } final 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[0] & 0x40) != 0x0) { final int modelOffset = buffer.getIntLE(offset + 151); if (modelOffset < 0) { return ValidationResult.error("Invalid offset for Model"); } int pos = offset + 251 + modelOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Model"); } final int modelLen = VarInt.peek(buffer, pos); if (modelLen < 0) { return ValidationResult.error("Invalid string length for Model"); } if (modelLen > 4096000) { return ValidationResult.error("Model exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += modelLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading Model"); } } if ((nullBits[0] & 0x80) != 0x0) { final int textureOffset = buffer.getIntLE(offset + 155); if (textureOffset < 0) { return ValidationResult.error("Invalid offset for Texture"); } int pos = offset + 251 + textureOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Texture"); } final int textureLen = VarInt.peek(buffer, pos); if (textureLen < 0) { return ValidationResult.error("Invalid string length for Texture"); } if (textureLen > 4096000) { return ValidationResult.error("Texture exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += textureLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading Texture"); } } if ((nullBits[1] & 0x1) != 0x0) { final int animationOffset = buffer.getIntLE(offset + 159); if (animationOffset < 0) { return ValidationResult.error("Invalid offset for Animation"); } int pos = offset + 251 + animationOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Animation"); } final int animationLen = VarInt.peek(buffer, pos); if (animationLen < 0) { return ValidationResult.error("Invalid string length for Animation"); } if (animationLen > 4096000) { return ValidationResult.error("Animation exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += animationLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading Animation"); } } if ((nullBits[1] & 0x2) != 0x0) { final int playerAnimationsIdOffset = buffer.getIntLE(offset + 163); if (playerAnimationsIdOffset < 0) { return ValidationResult.error("Invalid offset for PlayerAnimationsId"); } int pos = offset + 251 + playerAnimationsIdOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for PlayerAnimationsId"); } final int playerAnimationsIdLen = VarInt.peek(buffer, pos); if (playerAnimationsIdLen < 0) { return ValidationResult.error("Invalid string length for PlayerAnimationsId"); } if (playerAnimationsIdLen > 4096000) { return ValidationResult.error("PlayerAnimationsId exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += playerAnimationsIdLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading PlayerAnimationsId"); } } if ((nullBits[1] & 0x4) != 0x0) { final int iconOffset = buffer.getIntLE(offset + 167); if (iconOffset < 0) { return ValidationResult.error("Invalid offset for Icon"); } int pos = offset + 251 + iconOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Icon"); } final int iconLen = VarInt.peek(buffer, pos); if (iconLen < 0) { return ValidationResult.error("Invalid string length for Icon"); } if (iconLen > 4096000) { return ValidationResult.error("Icon exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += iconLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading Icon"); } } if ((nullBits[1] & 0x8) != 0x0) { final int translationPropertiesOffset = buffer.getIntLE(offset + 171); if (translationPropertiesOffset < 0) { return ValidationResult.error("Invalid offset for TranslationProperties"); } int pos = offset + 251 + translationPropertiesOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for TranslationProperties"); } final ValidationResult translationPropertiesResult = ItemTranslationProperties.validateStructure(buffer, pos); if (!translationPropertiesResult.isValid()) { return ValidationResult.error("Invalid TranslationProperties: " + translationPropertiesResult.error()); } pos += ItemTranslationProperties.computeBytesConsumed(buffer, pos); } if ((nullBits[1] & 0x10) != 0x0) { final int resourceTypesOffset = buffer.getIntLE(offset + 175); if (resourceTypesOffset < 0) { return ValidationResult.error("Invalid offset for ResourceTypes"); } int pos = offset + 251 + resourceTypesOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for ResourceTypes"); } final int resourceTypesCount = VarInt.peek(buffer, pos); if (resourceTypesCount < 0) { return ValidationResult.error("Invalid array count for ResourceTypes"); } if (resourceTypesCount > 4096000) { return ValidationResult.error("ResourceTypes exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < resourceTypesCount; ++i) { final ValidationResult structResult = ItemResourceType.validateStructure(buffer, pos); if (!structResult.isValid()) { return ValidationResult.error("Invalid ItemResourceType in ResourceTypes[" + i + "]: " + structResult.error()); } pos += ItemResourceType.computeBytesConsumed(buffer, pos); } } if ((nullBits[1] & 0x20) != 0x0) { final int toolOffset = buffer.getIntLE(offset + 179); if (toolOffset < 0) { return ValidationResult.error("Invalid offset for Tool"); } int pos = offset + 251 + toolOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Tool"); } final ValidationResult toolResult = ItemTool.validateStructure(buffer, pos); if (!toolResult.isValid()) { return ValidationResult.error("Invalid Tool: " + toolResult.error()); } pos += ItemTool.computeBytesConsumed(buffer, pos); } if ((nullBits[1] & 0x40) != 0x0) { final int weaponOffset = buffer.getIntLE(offset + 183); if (weaponOffset < 0) { return ValidationResult.error("Invalid offset for Weapon"); } int pos = offset + 251 + weaponOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Weapon"); } final ValidationResult weaponResult = ItemWeapon.validateStructure(buffer, pos); if (!weaponResult.isValid()) { return ValidationResult.error("Invalid Weapon: " + weaponResult.error()); } pos += ItemWeapon.computeBytesConsumed(buffer, pos); } if ((nullBits[1] & 0x80) != 0x0) { final int armorOffset = buffer.getIntLE(offset + 187); if (armorOffset < 0) { return ValidationResult.error("Invalid offset for Armor"); } int pos = offset + 251 + armorOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Armor"); } final ValidationResult armorResult = ItemArmor.validateStructure(buffer, pos); if (!armorResult.isValid()) { return ValidationResult.error("Invalid Armor: " + armorResult.error()); } pos += ItemArmor.computeBytesConsumed(buffer, pos); } if ((nullBits[2] & 0x1) != 0x0) { final int utilityOffset = buffer.getIntLE(offset + 191); if (utilityOffset < 0) { return ValidationResult.error("Invalid offset for Utility"); } int pos = offset + 251 + utilityOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Utility"); } final ValidationResult utilityResult = ItemUtility.validateStructure(buffer, pos); if (!utilityResult.isValid()) { return ValidationResult.error("Invalid Utility: " + utilityResult.error()); } pos += ItemUtility.computeBytesConsumed(buffer, pos); } if ((nullBits[2] & 0x2) != 0x0) { final int builderToolDataOffset = buffer.getIntLE(offset + 195); if (builderToolDataOffset < 0) { return ValidationResult.error("Invalid offset for BuilderToolData"); } int pos = offset + 251 + builderToolDataOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for BuilderToolData"); } final ValidationResult builderToolDataResult = ItemBuilderToolData.validateStructure(buffer, pos); if (!builderToolDataResult.isValid()) { return ValidationResult.error("Invalid BuilderToolData: " + builderToolDataResult.error()); } pos += ItemBuilderToolData.computeBytesConsumed(buffer, pos); } if ((nullBits[2] & 0x4) != 0x0) { final int itemEntityOffset = buffer.getIntLE(offset + 199); if (itemEntityOffset < 0) { return ValidationResult.error("Invalid offset for ItemEntity"); } int pos = offset + 251 + itemEntityOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for ItemEntity"); } final ValidationResult itemEntityResult = ItemEntityConfig.validateStructure(buffer, pos); if (!itemEntityResult.isValid()) { return ValidationResult.error("Invalid ItemEntity: " + itemEntityResult.error()); } pos += ItemEntityConfig.computeBytesConsumed(buffer, pos); } if ((nullBits[2] & 0x8) != 0x0) { final int setOffset = buffer.getIntLE(offset + 203); if (setOffset < 0) { return ValidationResult.error("Invalid offset for Set"); } int pos = offset + 251 + setOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Set"); } final int setLen = VarInt.peek(buffer, pos); if (setLen < 0) { return ValidationResult.error("Invalid string length for Set"); } if (setLen > 4096000) { return ValidationResult.error("Set exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += setLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading Set"); } } if ((nullBits[2] & 0x10) != 0x0) { final int categoriesOffset = buffer.getIntLE(offset + 207); if (categoriesOffset < 0) { return ValidationResult.error("Invalid offset for Categories"); } int pos = offset + 251 + categoriesOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Categories"); } final int categoriesCount = VarInt.peek(buffer, pos); if (categoriesCount < 0) { return ValidationResult.error("Invalid array count for Categories"); } if (categoriesCount > 4096000) { return ValidationResult.error("Categories exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < categoriesCount; ++i) { final int strLen = VarInt.peek(buffer, pos); if (strLen < 0) { return ValidationResult.error("Invalid string length in Categories"); } pos += VarInt.length(buffer, pos); pos += strLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading string in Categories"); } } } if ((nullBits[2] & 0x20) != 0x0) { final int particlesOffset = buffer.getIntLE(offset + 211); if (particlesOffset < 0) { return ValidationResult.error("Invalid offset for Particles"); } int pos = offset + 251 + particlesOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Particles"); } final int particlesCount = VarInt.peek(buffer, pos); if (particlesCount < 0) { return ValidationResult.error("Invalid array count for Particles"); } if (particlesCount > 4096000) { return ValidationResult.error("Particles exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < particlesCount; ++i) { final ValidationResult structResult = ModelParticle.validateStructure(buffer, pos); if (!structResult.isValid()) { return ValidationResult.error("Invalid ModelParticle in Particles[" + i + "]: " + structResult.error()); } pos += ModelParticle.computeBytesConsumed(buffer, pos); } } if ((nullBits[2] & 0x40) != 0x0) { final int firstPersonParticlesOffset = buffer.getIntLE(offset + 215); if (firstPersonParticlesOffset < 0) { return ValidationResult.error("Invalid offset for FirstPersonParticles"); } int pos = offset + 251 + firstPersonParticlesOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for FirstPersonParticles"); } final int firstPersonParticlesCount = VarInt.peek(buffer, pos); if (firstPersonParticlesCount < 0) { return ValidationResult.error("Invalid array count for FirstPersonParticles"); } if (firstPersonParticlesCount > 4096000) { return ValidationResult.error("FirstPersonParticles exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < firstPersonParticlesCount; ++i) { final ValidationResult structResult = ModelParticle.validateStructure(buffer, pos); if (!structResult.isValid()) { return ValidationResult.error("Invalid ModelParticle in FirstPersonParticles[" + i + "]: " + structResult.error()); } pos += ModelParticle.computeBytesConsumed(buffer, pos); } } if ((nullBits[2] & 0x80) != 0x0) { final int trailsOffset = buffer.getIntLE(offset + 219); if (trailsOffset < 0) { return ValidationResult.error("Invalid offset for Trails"); } int pos = offset + 251 + trailsOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Trails"); } final int trailsCount = VarInt.peek(buffer, pos); if (trailsCount < 0) { return ValidationResult.error("Invalid array count for Trails"); } if (trailsCount > 4096000) { return ValidationResult.error("Trails exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < trailsCount; ++i) { final ValidationResult structResult = ModelTrail.validateStructure(buffer, pos); if (!structResult.isValid()) { return ValidationResult.error("Invalid ModelTrail in Trails[" + i + "]: " + structResult.error()); } pos += ModelTrail.computeBytesConsumed(buffer, pos); } } if ((nullBits[3] & 0x1) != 0x0) { final int interactionsOffset = buffer.getIntLE(offset + 223); if (interactionsOffset < 0) { return ValidationResult.error("Invalid offset for Interactions"); } int pos = offset + 251 + interactionsOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for Interactions"); } final int interactionsCount = VarInt.peek(buffer, pos); if (interactionsCount < 0) { return ValidationResult.error("Invalid dictionary count for Interactions"); } if (interactionsCount > 4096000) { return ValidationResult.error("Interactions exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < interactionsCount; ++i) { ++pos; pos += 4; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading value"); } } } if ((nullBits[3] & 0x2) != 0x0) { final int interactionVarsOffset = buffer.getIntLE(offset + 227); if (interactionVarsOffset < 0) { return ValidationResult.error("Invalid offset for InteractionVars"); } int pos = offset + 251 + interactionVarsOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for InteractionVars"); } final int interactionVarsCount = VarInt.peek(buffer, pos); if (interactionVarsCount < 0) { return ValidationResult.error("Invalid dictionary count for InteractionVars"); } if (interactionVarsCount > 4096000) { return ValidationResult.error("InteractionVars exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < interactionVarsCount; ++i) { final 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 += 4; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading value"); } } } if ((nullBits[3] & 0x4) != 0x0) { final int interactionConfigOffset = buffer.getIntLE(offset + 231); if (interactionConfigOffset < 0) { return ValidationResult.error("Invalid offset for InteractionConfig"); } int pos = offset + 251 + interactionConfigOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for InteractionConfig"); } final ValidationResult interactionConfigResult = InteractionConfiguration.validateStructure(buffer, pos); if (!interactionConfigResult.isValid()) { return ValidationResult.error("Invalid InteractionConfig: " + interactionConfigResult.error()); } pos += InteractionConfiguration.computeBytesConsumed(buffer, pos); } if ((nullBits[3] & 0x8) != 0x0) { final int droppedItemAnimationOffset = buffer.getIntLE(offset + 235); if (droppedItemAnimationOffset < 0) { return ValidationResult.error("Invalid offset for DroppedItemAnimation"); } int pos = offset + 251 + droppedItemAnimationOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for DroppedItemAnimation"); } final int droppedItemAnimationLen = VarInt.peek(buffer, pos); if (droppedItemAnimationLen < 0) { return ValidationResult.error("Invalid string length for DroppedItemAnimation"); } if (droppedItemAnimationLen > 4096000) { return ValidationResult.error("DroppedItemAnimation exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += droppedItemAnimationLen; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading DroppedItemAnimation"); } } if ((nullBits[3] & 0x10) != 0x0) { final int tagIndexesOffset = buffer.getIntLE(offset + 239); if (tagIndexesOffset < 0) { return ValidationResult.error("Invalid offset for TagIndexes"); } int pos = offset + 251 + tagIndexesOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for TagIndexes"); } final int tagIndexesCount = VarInt.peek(buffer, pos); if (tagIndexesCount < 0) { return ValidationResult.error("Invalid array count for TagIndexes"); } if (tagIndexesCount > 4096000) { return ValidationResult.error("TagIndexes exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += tagIndexesCount * 4; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading TagIndexes"); } } if ((nullBits[3] & 0x20) != 0x0) { final int itemAppearanceConditionsOffset = buffer.getIntLE(offset + 243); if (itemAppearanceConditionsOffset < 0) { return ValidationResult.error("Invalid offset for ItemAppearanceConditions"); } int pos = offset + 251 + itemAppearanceConditionsOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for ItemAppearanceConditions"); } final int itemAppearanceConditionsCount = VarInt.peek(buffer, pos); if (itemAppearanceConditionsCount < 0) { return ValidationResult.error("Invalid dictionary count for ItemAppearanceConditions"); } if (itemAppearanceConditionsCount > 4096000) { return ValidationResult.error("ItemAppearanceConditions exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); for (int i = 0; i < itemAppearanceConditionsCount; ++i) { pos += 4; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading key"); } final int valueArrCount = VarInt.peek(buffer, pos); if (valueArrCount < 0) { return ValidationResult.error("Invalid array count for value"); } pos += VarInt.length(buffer, pos); for (int valueArrIdx = 0; valueArrIdx < valueArrCount; ++valueArrIdx) { pos += ItemAppearanceCondition.computeBytesConsumed(buffer, pos); } } } if ((nullBits[3] & 0x40) != 0x0) { final int displayEntityStatsHUDOffset = buffer.getIntLE(offset + 247); if (displayEntityStatsHUDOffset < 0) { return ValidationResult.error("Invalid offset for DisplayEntityStatsHUD"); } int pos = offset + 251 + displayEntityStatsHUDOffset; if (pos >= buffer.writerIndex()) { return ValidationResult.error("Offset out of bounds for DisplayEntityStatsHUD"); } final int displayEntityStatsHUDCount = VarInt.peek(buffer, pos); if (displayEntityStatsHUDCount < 0) { return ValidationResult.error("Invalid array count for DisplayEntityStatsHUD"); } if (displayEntityStatsHUDCount > 4096000) { return ValidationResult.error("DisplayEntityStatsHUD exceeds max length 4096000"); } pos += VarInt.length(buffer, pos); pos += displayEntityStatsHUDCount * 4; if (pos > buffer.writerIndex()) { return ValidationResult.error("Buffer overflow reading DisplayEntityStatsHUD"); } } return ValidationResult.OK; } public ItemBase clone() { final ItemBase copy = new ItemBase(); copy.id = this.id; copy.model = this.model; copy.scale = this.scale; copy.texture = this.texture; copy.animation = this.animation; copy.playerAnimationsId = this.playerAnimationsId; copy.usePlayerAnimations = this.usePlayerAnimations; copy.maxStack = this.maxStack; copy.reticleIndex = this.reticleIndex; copy.icon = this.icon; copy.iconProperties = ((this.iconProperties != null) ? this.iconProperties.clone() : null); copy.translationProperties = ((this.translationProperties != null) ? this.translationProperties.clone() : null); copy.itemLevel = this.itemLevel; copy.qualityIndex = this.qualityIndex; Map.Entry e = null; copy.resourceTypes = (ItemResourceType[])((this.resourceTypes != null) ? ((ItemResourceType[])Arrays.stream(this.resourceTypes).map(e -> e.clone()).toArray(ItemResourceType[]::new)) : null); copy.consumable = this.consumable; copy.variant = this.variant; copy.blockId = this.blockId; copy.tool = ((this.tool != null) ? this.tool.clone() : null); copy.weapon = ((this.weapon != null) ? this.weapon.clone() : null); copy.armor = ((this.armor != null) ? this.armor.clone() : null); copy.gliderConfig = ((this.gliderConfig != null) ? this.gliderConfig.clone() : null); copy.utility = ((this.utility != null) ? this.utility.clone() : null); copy.blockSelectorTool = ((this.blockSelectorTool != null) ? this.blockSelectorTool.clone() : null); copy.builderToolData = ((this.builderToolData != null) ? this.builderToolData.clone() : null); copy.itemEntity = ((this.itemEntity != null) ? this.itemEntity.clone() : null); copy.set = this.set; copy.categories = (String[])((this.categories != null) ? ((String[])Arrays.copyOf(this.categories, this.categories.length)) : null); copy.particles = (ModelParticle[])((this.particles != null) ? ((ModelParticle[])Arrays.stream(this.particles).map(e -> e.clone()).toArray(ModelParticle[]::new)) : null); copy.firstPersonParticles = (ModelParticle[])((this.firstPersonParticles != null) ? ((ModelParticle[])Arrays.stream(this.firstPersonParticles).map(e -> e.clone()).toArray(ModelParticle[]::new)) : null); copy.trails = (ModelTrail[])((this.trails != null) ? ((ModelTrail[])Arrays.stream(this.trails).map(e -> e.clone()).toArray(ModelTrail[]::new)) : null); copy.light = ((this.light != null) ? this.light.clone() : null); copy.durability = this.durability; copy.soundEventIndex = this.soundEventIndex; copy.itemSoundSetIndex = this.itemSoundSetIndex; copy.interactions = ((this.interactions != null) ? new HashMap(this.interactions) : null); copy.interactionVars = ((this.interactionVars != null) ? new HashMap(this.interactionVars) : null); copy.interactionConfig = ((this.interactionConfig != null) ? this.interactionConfig.clone() : null); copy.droppedItemAnimation = this.droppedItemAnimation; copy.tagIndexes = (int[])((this.tagIndexes != null) ? Arrays.copyOf(this.tagIndexes, this.tagIndexes.length) : null); if (this.itemAppearanceConditions != null) { final Map m = new HashMap(); final Iterator> iterator = this.itemAppearanceConditions.entrySet().iterator(); while (iterator.hasNext()) { e = iterator.next(); m.put(e.getKey(), Arrays.stream(e.getValue()).map(x -> x.clone()).toArray(ItemAppearanceCondition[]::new)); } copy.itemAppearanceConditions = m; } copy.displayEntityStatsHUD = (int[])((this.displayEntityStatsHUD != null) ? Arrays.copyOf(this.displayEntityStatsHUD, this.displayEntityStatsHUD.length) : null); copy.pullbackConfig = ((this.pullbackConfig != null) ? this.pullbackConfig.clone() : null); copy.clipsGeometry = this.clipsGeometry; copy.renderDeployablePreview = this.renderDeployablePreview; return copy; } @Override public boolean equals(final Object obj) { if (this == obj) { return true; } if (obj instanceof final ItemBase other) { return Objects.equals(this.id, other.id) && Objects.equals(this.model, other.model) && this.scale == other.scale && Objects.equals(this.texture, other.texture) && Objects.equals(this.animation, other.animation) && Objects.equals(this.playerAnimationsId, other.playerAnimationsId) && this.usePlayerAnimations == other.usePlayerAnimations && this.maxStack == other.maxStack && this.reticleIndex == other.reticleIndex && Objects.equals(this.icon, other.icon) && Objects.equals(this.iconProperties, other.iconProperties) && Objects.equals(this.translationProperties, other.translationProperties) && this.itemLevel == other.itemLevel && this.qualityIndex == other.qualityIndex && Arrays.equals(this.resourceTypes, other.resourceTypes) && this.consumable == other.consumable && this.variant == other.variant && this.blockId == other.blockId && Objects.equals(this.tool, other.tool) && Objects.equals(this.weapon, other.weapon) && Objects.equals(this.armor, other.armor) && Objects.equals(this.gliderConfig, other.gliderConfig) && Objects.equals(this.utility, other.utility) && Objects.equals(this.blockSelectorTool, other.blockSelectorTool) && Objects.equals(this.builderToolData, other.builderToolData) && Objects.equals(this.itemEntity, other.itemEntity) && Objects.equals(this.set, other.set) && Arrays.equals(this.categories, other.categories) && Arrays.equals(this.particles, other.particles) && Arrays.equals(this.firstPersonParticles, other.firstPersonParticles) && Arrays.equals(this.trails, other.trails) && Objects.equals(this.light, other.light) && this.durability == other.durability && this.soundEventIndex == other.soundEventIndex && this.itemSoundSetIndex == other.itemSoundSetIndex && Objects.equals(this.interactions, other.interactions) && Objects.equals(this.interactionVars, other.interactionVars) && Objects.equals(this.interactionConfig, other.interactionConfig) && Objects.equals(this.droppedItemAnimation, other.droppedItemAnimation) && Arrays.equals(this.tagIndexes, other.tagIndexes) && Objects.equals(this.itemAppearanceConditions, other.itemAppearanceConditions) && Arrays.equals(this.displayEntityStatsHUD, other.displayEntityStatsHUD) && Objects.equals(this.pullbackConfig, other.pullbackConfig) && this.clipsGeometry == other.clipsGeometry && this.renderDeployablePreview == other.renderDeployablePreview; } return false; } @Override public int hashCode() { int result = 1; result = 31 * result + Objects.hashCode(this.id); result = 31 * result + Objects.hashCode(this.model); result = 31 * result + Float.hashCode(this.scale); result = 31 * result + Objects.hashCode(this.texture); result = 31 * result + Objects.hashCode(this.animation); result = 31 * result + Objects.hashCode(this.playerAnimationsId); result = 31 * result + Boolean.hashCode(this.usePlayerAnimations); result = 31 * result + Integer.hashCode(this.maxStack); result = 31 * result + Integer.hashCode(this.reticleIndex); result = 31 * result + Objects.hashCode(this.icon); result = 31 * result + Objects.hashCode(this.iconProperties); result = 31 * result + Objects.hashCode(this.translationProperties); result = 31 * result + Integer.hashCode(this.itemLevel); result = 31 * result + Integer.hashCode(this.qualityIndex); result = 31 * result + Arrays.hashCode(this.resourceTypes); result = 31 * result + Boolean.hashCode(this.consumable); result = 31 * result + Boolean.hashCode(this.variant); result = 31 * result + Integer.hashCode(this.blockId); result = 31 * result + Objects.hashCode(this.tool); result = 31 * result + Objects.hashCode(this.weapon); result = 31 * result + Objects.hashCode(this.armor); result = 31 * result + Objects.hashCode(this.gliderConfig); result = 31 * result + Objects.hashCode(this.utility); result = 31 * result + Objects.hashCode(this.blockSelectorTool); result = 31 * result + Objects.hashCode(this.builderToolData); result = 31 * result + Objects.hashCode(this.itemEntity); result = 31 * result + Objects.hashCode(this.set); result = 31 * result + Arrays.hashCode(this.categories); result = 31 * result + Arrays.hashCode(this.particles); result = 31 * result + Arrays.hashCode(this.firstPersonParticles); result = 31 * result + Arrays.hashCode(this.trails); result = 31 * result + Objects.hashCode(this.light); result = 31 * result + Double.hashCode(this.durability); result = 31 * result + Integer.hashCode(this.soundEventIndex); result = 31 * result + Integer.hashCode(this.itemSoundSetIndex); result = 31 * result + Objects.hashCode(this.interactions); result = 31 * result + Objects.hashCode(this.interactionVars); result = 31 * result + Objects.hashCode(this.interactionConfig); result = 31 * result + Objects.hashCode(this.droppedItemAnimation); result = 31 * result + Arrays.hashCode(this.tagIndexes); result = 31 * result + Objects.hashCode(this.itemAppearanceConditions); result = 31 * result + Arrays.hashCode(this.displayEntityStatsHUD); result = 31 * result + Objects.hashCode(this.pullbackConfig); result = 31 * result + Boolean.hashCode(this.clipsGeometry); result = 31 * result + Boolean.hashCode(this.renderDeployablePreview); return result; } }