| /* * Copyright (c) 2019-2021 GeyserMC. http://geysermc.org * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @author GeyserMC * @link https://github.com/GeyserMC/Geyser */package org.geysermc.connector.network.translators.java.world;import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;import com.github.steveice10.mc.protocol.data.game.world.block.value.*;import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerBlockValuePacket;import com.nukkitx.math.vector.Vector3i;import com.nukkitx.nbt.NbtMap;import com.nukkitx.nbt.NbtMapBuilder;import com.nukkitx.protocol.bedrock.packet.BlockEntityDataPacket;import com.nukkitx.protocol.bedrock.packet.BlockEventPacket;import org.geysermc.connector.network.session.GeyserSession;import org.geysermc.connector.network.translators.PacketTranslator;import org.geysermc.connector.network.translators.Translator;import org.geysermc.connector.network.translators.world.block.BlockStateValues;import org.geysermc.connector.network.translators.world.block.entity.NoteblockBlockEntityTranslator;import java.util.concurrent.TimeUnit;@Translator(packet = ServerBlockValuePacket.class)public class JavaBlockValueTranslator extends PacketTranslator<ServerBlockValuePacket> { @Override public void translate(GeyserSession session, ServerBlockValuePacket packet) { BlockEventPacket blockEventPacket = new BlockEventPacket(); blockEventPacket.setBlockPosition(Vector3i.from(packet.getPosition().getX(), packet.getPosition().getY(), packet.getPosition().getZ())); if (packet.getValue() instanceof ChestValue) { ChestValue value = (ChestValue) packet.getValue() ; blockEventPacket.setEventType(1); blockEventPacket.setEventData(value.getViewers() > 0 ? 1 : 0); session.sendUpstreamPacket(blockEventPacket); } else if (packet.getValue() instanceof EndGatewayValue) { blockEventPacket.setEventType(1); session.sendUpstreamPacket(blockEventPacket); } else if (packet.getValue() instanceof NoteBlockValue) { NoteblockBlockEntityTranslator.translate(session, packet.getPosition()); } else if (packet.getValue() instanceof PistonValue) { PistonValueType type = (PistonValueType) packet.getType(); // Unlike everything else, pistons need a block entity packet to convey motion // TODO: Doesn't register on chunk load; needs to be interacted with first Vector3i position = Vector3i.from(packet.getPosition().getX(), packet.getPosition().getY(), packet.getPosition().getZ()); if (type == PistonValueType.PUSHING) { extendPiston(session, position, 0.0f, 0.0f); } else { retractPiston(session, position, 1.0f, 1.0f); } } else if (packet.getValue() instanceof MobSpawnerValue) { blockEventPacket.setEventType(1); session.sendUpstreamPacket(blockEventPacket); } else if (packet.getValue() instanceof EndGatewayValue) { blockEventPacket.setEventType(1); session.sendUpstreamPacket(blockEventPacket); } else if (packet.getValue() instanceof GenericBlockValue && packet.getBlockId() == BlockStateValues.JAVA_BELL_ID) { // Bells - needed to show ring from other players GenericBlockValue bellValue = (GenericBlockValue) packet.getValue(); Position position = packet.getPosition(); BlockEntityDataPacket blockEntityPacket = new BlockEntityDataPacket(); blockEntityPacket.setBlockPosition(Vector3i.from(position.getX(), position.getY(), position.getZ())); NbtMapBuilder builder = NbtMap.builder(); builder.putInt("x", position.getX()); builder.putInt("y", position.getY()); builder.putInt("z", position.getZ()); builder.putString("id", "Bell"); int bedrockRingDirection; switch (bellValue.getValue()) { case 3: // north bedrockRingDirection = 0; break; case 4: // east bedrockRingDirection = 1; break; case 5: // west bedrockRingDirection = 3; break; default: // south (2) is identical bedrockRingDirection = bellValue.getValue(); } builder.putInt("Direction", bedrockRingDirection); builder.putByte("Ringing", (byte) 1); builder.putInt("Ticks", 0); blockEntityPacket.setData(builder.build()); session.sendUpstreamPacket(blockEntityPacket); } } /** * Emulating a piston extending * @param session GeyserSession * @param position Block position * @param progress How far the piston is * @param lastProgress How far the piston last was */ private void extendPiston(GeyserSession session, Vector3i position, float progress, float lastProgress) { BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket(); blockEntityDataPacket.setBlockPosition(position); byte state = (byte) ((progress == 1.0f && lastProgress == 1.0f) ? 2 : 1); blockEntityDataPacket.setData(buildPistonTag(position, progress, lastProgress, state)); session.sendUpstreamPacket(blockEntityDataPacket); if (lastProgress != 1.0f) { session.getConnector().getGeneralThreadPool().schedule(() -> extendPiston(session, position, (progress >= 1.0f) ? 1.0f : progress + 0.5f, progress), 20, TimeUnit.MILLISECONDS); } } /** * Emulate a piston retracting. * @param session GeyserSession * @param position Block position * @param progress Current progress of piston * @param lastProgress Last progress of piston */ private void retractPiston(GeyserSession session, Vector3i position, float progress, float lastProgress) { BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket(); blockEntityDataPacket.setBlockPosition(position); byte state = (byte) ((progress == 0.0f && lastProgress == 0.0f) ? 0 : 3); blockEntityDataPacket.setData(buildPistonTag(position, progress, lastProgress, state)); session.sendUpstreamPacket(blockEntityDataPacket); if (lastProgress != 0.0f) { session.getConnector().getGeneralThreadPool().schedule(() -> retractPiston(session, position, (progress <= 0.0f) ? 0.0f : progress - 0.5f, progress), 20, TimeUnit.MILLISECONDS); } } /** * Build a piston tag * @param position Piston position * @param progress Current progress of piston * @param lastProgress Last progress of piston * @param state * @return Bedrock CompoundTag of piston */ private NbtMap buildPistonTag(Vector3i position, float progress, float lastProgress, byte state) { NbtMapBuilder builder = NbtMap.builder() .putInt("x", position.getX()) .putInt("y", position.getY()) .putInt("z", position.getZ()) .putFloat("Progress", progress) .putFloat("LastProgress", lastProgress) .putString("id", "PistonArm") .putByte("NewState", state) .putByte("State", state); return builder.build(); }} |