mirror of https://github.com/GeyserMC/Geyser.git
159 lines
8.2 KiB
Java
159 lines
8.2 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.translator.protocol.java.level;
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import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
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import com.github.steveice10.mc.protocol.data.game.level.block.BlockEntityType;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.level.ClientboundBlockEntityDataPacket;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.github.steveice10.opennbt.tag.builtin.Tag;
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import org.cloudburstmc.math.vector.Vector3i;
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import org.cloudburstmc.protocol.bedrock.data.definitions.BlockDefinition;
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import org.cloudburstmc.protocol.bedrock.data.inventory.ContainerType;
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import org.cloudburstmc.protocol.bedrock.data.structure.StructureMirror;
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import org.cloudburstmc.protocol.bedrock.data.structure.StructureRotation;
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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.level.block.BlockStateValues;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.level.block.entity.BlockEntityTranslator;
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import org.geysermc.geyser.translator.level.block.entity.RequiresBlockState;
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import org.geysermc.geyser.translator.level.block.entity.SkullBlockEntityTranslator;
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import org.geysermc.geyser.translator.protocol.PacketTranslator;
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import org.geysermc.geyser.translator.protocol.Translator;
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import org.geysermc.geyser.util.BlockEntityUtils;
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import org.geysermc.geyser.util.StructureBlockUtils;
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@Translator(packet = ClientboundBlockEntityDataPacket.class)
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public class JavaBlockEntityDataTranslator extends PacketTranslator<ClientboundBlockEntityDataPacket> {
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@Override
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public void translate(GeyserSession session, ClientboundBlockEntityDataPacket packet) {
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final BlockEntityType type = packet.getType();
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if (type == null) {
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return;
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}
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BlockEntityTranslator translator = BlockEntityUtils.getBlockEntityTranslator(type);
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// The Java block state is used in BlockEntityTranslator.translateTag() to make up for some inconsistencies
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// between Java block states and Bedrock block entity data
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int blockState;
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if (translator instanceof RequiresBlockState) {
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blockState = session.getGeyser().getWorldManager().getBlockAt(session, packet.getPosition());
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} else {
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blockState = BlockStateValues.JAVA_AIR_ID;
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}
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Vector3i position = packet.getPosition();
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BlockEntityUtils.updateBlockEntity(session, translator.getBlockEntityTag(session, type, position.getX(), position.getY(), position.getZ(),
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packet.getNbt(), blockState), packet.getPosition());
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// Check for custom skulls.
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boolean hasCustomHeadBlock = false;
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if (session.getPreferencesCache().showCustomSkulls() && packet.getNbt() != null && packet.getNbt().contains("SkullOwner")) {
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BlockDefinition blockDefinition = SkullBlockEntityTranslator.translateSkull(session, packet.getNbt(), position, blockState);
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if (blockDefinition != null) {
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hasCustomHeadBlock = true;
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UpdateBlockPacket updateBlockPacket = new UpdateBlockPacket();
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updateBlockPacket.setDataLayer(0);
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updateBlockPacket.setBlockPosition(position);
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updateBlockPacket.setDefinition(blockDefinition);
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updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NEIGHBORS);
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updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NETWORK);
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session.sendUpstreamPacket(updateBlockPacket);
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}
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}
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if (!hasCustomHeadBlock) {
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BlockEntityUtils.updateBlockEntity(session, translator.getBlockEntityTag(session, type, position.getX(), position.getY(), position.getZ(),
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packet.getNbt(), blockState), packet.getPosition());
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}
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// If block entity is command block, OP permission level is appropriate, player is in creative mode and the NBT is not empty
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// TODO 1.18 re-test
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if (type == BlockEntityType.COMMAND_BLOCK && session.getOpPermissionLevel() >= 2 &&
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session.getGameMode() == GameMode.CREATIVE && packet.getNbt() != null && packet.getNbt().size() > 5) {
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ContainerOpenPacket openPacket = new ContainerOpenPacket();
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openPacket.setBlockPosition(position);
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openPacket.setId((byte) 1);
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openPacket.setType(ContainerType.COMMAND_BLOCK);
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openPacket.setUniqueEntityId(-1);
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session.sendUpstreamPacket(openPacket);
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}
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// When a Java client is trying to load a structure, it expects the server to send it the size of the structure.
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// On 1.20.4, the server does so here - we can pass that through to Bedrock, so we're properly selecting the area.
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if (type == BlockEntityType.STRUCTURE_BLOCK && session.getGameMode() == GameMode.CREATIVE
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&& packet.getPosition().equals(session.getStructureBlockCache().getCurrentStructureBlock())
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&& packet.getNbt() != null && packet.getNbt().size() > 5
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) {
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CompoundTag map = packet.getNbt();
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String mode = getOrDefault(map.get("mode"), "");
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if (!mode.equalsIgnoreCase("LOAD")) {
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return;
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}
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String mirror = getOrDefault(map.get("mirror"), "");
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StructureMirror bedrockMirror = switch (mirror) {
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case "FRONT_BACK" -> StructureMirror.X;
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case "LEFT_RIGHT" -> StructureMirror.Z;
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default -> StructureMirror.NONE;
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};
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String rotation = getOrDefault(map.get("rotation"), "");
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StructureRotation bedrockRotation = switch (rotation) {
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case "CLOCKWISE_90" -> StructureRotation.ROTATE_90;
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case "CLOCKWISE_180" -> StructureRotation.ROTATE_180;
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case "COUNTERCLOCKWISE_90" -> StructureRotation.ROTATE_270;
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default -> StructureRotation.NONE;
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};
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String name = getOrDefault(map.get("name"), "");
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int sizeX = getOrDefault(map.get("sizeX"), 0);
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int sizeY = getOrDefault(map.get("sizeY"), 0);
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int sizeZ = getOrDefault(map.get("sizeZ"), 0);
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session.getStructureBlockCache().setCurrentStructureBlock(null);
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Vector3i size = Vector3i.from(sizeX, sizeY, sizeZ);
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if (size.equals(Vector3i.ZERO)) {
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StructureBlockUtils.sendEmptyStructureData(session);
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return;
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}
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Vector3i offset = StructureBlockUtils.calculateOffset(bedrockRotation, bedrockMirror,
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sizeX, sizeZ);
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session.getStructureBlockCache().setBedrockOffset(offset);
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session.getStructureBlockCache().setCurrentStructureName(name);
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StructureBlockUtils.sendStructureData(session, size, name);
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}
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}
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protected <T> T getOrDefault(Tag tag, T defaultValue) {
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//noinspection unchecked
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return (tag != null && tag.getValue() != null) ? (T) tag.getValue() : defaultValue;
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}
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}
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