mirror of https://github.com/GeyserMC/Geyser.git
190 lines
9.3 KiB
Java
190 lines
9.3 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.inventory.holder;
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import org.cloudburstmc.math.vector.Vector3i;
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import org.cloudburstmc.nbt.NbtMap;
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import org.cloudburstmc.protocol.bedrock.data.inventory.ContainerType;
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import org.cloudburstmc.protocol.bedrock.packet.BlockEntityDataPacket;
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import org.cloudburstmc.protocol.bedrock.packet.ContainerClosePacket;
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import org.cloudburstmc.protocol.bedrock.packet.ContainerOpenPacket;
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import org.cloudburstmc.protocol.bedrock.packet.UpdateBlockPacket;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.inventory.Container;
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import org.geysermc.geyser.inventory.Inventory;
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import org.geysermc.geyser.inventory.LecternContainer;
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import org.geysermc.geyser.registry.BlockRegistries;
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import org.geysermc.geyser.registry.type.BlockMapping;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.inventory.InventoryTranslator;
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import org.geysermc.geyser.util.BlockUtils;
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import org.geysermc.geyser.util.InventoryUtils;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* Manages the fake block we implement for each inventory, should we need to.
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* This class will attempt to use a real block first, if possible.
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*/
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public class BlockInventoryHolder extends InventoryHolder {
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/**
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* The default Java block ID to translate as a fake block
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*/
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private final int defaultJavaBlockState;
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private final ContainerType containerType;
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private final Set<String> validBlocks;
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public BlockInventoryHolder(String javaBlockIdentifier, ContainerType containerType, String... validBlocks) {
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this.defaultJavaBlockState = BlockRegistries.JAVA_IDENTIFIER_TO_ID.get().getInt(javaBlockIdentifier);
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this.containerType = containerType;
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if (validBlocks != null) {
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Set<String> validBlocksTemp = new HashSet<>(validBlocks.length + 1);
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Collections.addAll(validBlocksTemp, validBlocks);
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validBlocksTemp.add(BlockUtils.getCleanIdentifier(javaBlockIdentifier));
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this.validBlocks = Set.copyOf(validBlocksTemp);
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} else {
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this.validBlocks = Collections.singleton(BlockUtils.getCleanIdentifier(javaBlockIdentifier));
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}
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}
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@Override
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public boolean prepareInventory(InventoryTranslator translator, GeyserSession session, Inventory inventory) {
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// Check to see if there is an existing block we can use that the player just selected.
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// First, verify that the player's position has not changed, so we don't try to select a block wildly out of range.
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// (This could be a virtual inventory that the player is opening)
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if (checkInteractionPosition(session)) {
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// Then, check to see if the interacted block is valid for this inventory by ensuring the block state identifier is valid
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// and the bedrock block is vanilla
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int javaBlockId = session.getGeyser().getWorldManager().getBlockAt(session, session.getLastInteractionBlockPosition());
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if (!BlockRegistries.CUSTOM_BLOCK_STATE_OVERRIDES.get().containsKey(javaBlockId)) {
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String[] javaBlockString = BlockRegistries.JAVA_BLOCKS.getOrDefault(javaBlockId, BlockMapping.DEFAULT).getJavaIdentifier().split("\\[");
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if (isValidBlock(javaBlockString)) {
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// We can safely use this block
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inventory.setHolderPosition(session.getLastInteractionBlockPosition());
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((Container) inventory).setUsingRealBlock(true, javaBlockString[0]);
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setCustomName(session, session.getLastInteractionBlockPosition(), inventory, javaBlockId);
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return true;
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}
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}
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}
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Vector3i position = InventoryUtils.findAvailableWorldSpace(session);
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if (position == null) {
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return false;
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}
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UpdateBlockPacket blockPacket = new UpdateBlockPacket();
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blockPacket.setDataLayer(0);
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blockPacket.setBlockPosition(position);
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blockPacket.setDefinition(session.getBlockMappings().getVanillaBedrockBlock(defaultJavaBlockState));
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blockPacket.getFlags().addAll(UpdateBlockPacket.FLAG_ALL_PRIORITY);
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session.sendUpstreamPacket(blockPacket);
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inventory.setHolderPosition(position);
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setCustomName(session, position, inventory, defaultJavaBlockState);
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return true;
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}
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/**
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* Will be overwritten in the beacon inventory translator to remove the check, since virtual inventories can't exist.
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*
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* @return if the player's last interaction position and current position match. Used to ensure that we don't select
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* a block to hold the inventory that's wildly out of range.
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*/
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protected boolean checkInteractionPosition(GeyserSession session) {
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return session.getLastInteractionPlayerPosition().equals(session.getPlayerEntity().getPosition());
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}
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/**
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* @return true if this Java block ID can be used for player inventory.
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*/
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protected boolean isValidBlock(String[] javaBlockString) {
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return this.validBlocks.contains(javaBlockString[0]);
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}
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protected void setCustomName(GeyserSession session, Vector3i position, Inventory inventory, int javaBlockState) {
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NbtMap tag = NbtMap.builder()
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.putInt("x", position.getX())
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.putInt("y", position.getY())
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.putInt("z", position.getZ())
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.putString("CustomName", inventory.getTitle()).build();
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BlockEntityDataPacket dataPacket = new BlockEntityDataPacket();
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dataPacket.setData(tag);
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dataPacket.setBlockPosition(position);
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session.sendUpstreamPacket(dataPacket);
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}
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@Override
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public void openInventory(InventoryTranslator translator, GeyserSession session, Inventory inventory) {
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ContainerOpenPacket containerOpenPacket = new ContainerOpenPacket();
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containerOpenPacket.setId((byte) inventory.getBedrockId());
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containerOpenPacket.setType(containerType);
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containerOpenPacket.setBlockPosition(inventory.getHolderPosition());
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containerOpenPacket.setUniqueEntityId(inventory.getHolderId());
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session.sendUpstreamPacket(containerOpenPacket);
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}
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@Override
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public void closeInventory(InventoryTranslator translator, GeyserSession session, Inventory inventory) {
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if (inventory instanceof Container container) {
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if (container.isUsingRealBlock() && !(inventory instanceof LecternContainer)) {
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// No need to reset a block since we didn't change any blocks
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// But send a container close packet because we aren't destroying the original.
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ContainerClosePacket packet = new ContainerClosePacket();
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packet.setId((byte) inventory.getBedrockId());
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packet.setServerInitiated(true);
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session.sendUpstreamPacket(packet);
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return;
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}
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} else {
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GeyserImpl.getInstance().getLogger().warning("Tried to close a non-container inventory in a block inventory holder! ");
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if (GeyserImpl.getInstance().getLogger().isDebug()) {
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GeyserImpl.getInstance().getLogger().debug("Current inventory: " + inventory);
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GeyserImpl.getInstance().getLogger().debug("Open inventory: " + session.getOpenInventory());
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}
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// Try to save ourselves? maybe?
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// https://github.com/GeyserMC/Geyser/issues/4141
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// TODO: improve once this issue is pinned down properly
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session.setOpenInventory(null);
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session.setInventoryTranslator(InventoryTranslator.PLAYER_INVENTORY_TRANSLATOR);
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return;
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}
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Vector3i holderPos = inventory.getHolderPosition();
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int realBlock = session.getGeyser().getWorldManager().getBlockAt(session, holderPos.getX(), holderPos.getY(), holderPos.getZ());
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UpdateBlockPacket blockPacket = new UpdateBlockPacket();
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blockPacket.setDataLayer(0);
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blockPacket.setBlockPosition(holderPos);
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blockPacket.setDefinition(session.getBlockMappings().getBedrockBlock(realBlock));
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blockPacket.getFlags().addAll(UpdateBlockPacket.FLAG_ALL_PRIORITY);
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session.sendUpstreamPacket(blockPacket);
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}
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}
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