forked from GeyserMC/Geyser
186d94917a
* Update copyright to 2021 Free commit! * These don't need a copyright * Don't downgrade the mappings
176 lines
8.5 KiB
Java
176 lines
8.5 KiB
Java
/*
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* Copyright (c) 2019-2021 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.connector.network.translators.java.world;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
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import com.github.steveice10.mc.protocol.data.game.world.block.value.*;
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import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerBlockValuePacket;
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import com.nukkitx.math.vector.Vector3i;
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import com.nukkitx.nbt.NbtMap;
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import com.nukkitx.nbt.NbtMapBuilder;
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import com.nukkitx.protocol.bedrock.packet.BlockEntityDataPacket;
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import com.nukkitx.protocol.bedrock.packet.BlockEventPacket;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.network.translators.Translator;
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import org.geysermc.connector.network.translators.world.block.entity.NoteblockBlockEntityTranslator;
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import java.util.concurrent.TimeUnit;
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@Translator(packet = ServerBlockValuePacket.class)
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public class JavaBlockValueTranslator extends PacketTranslator<ServerBlockValuePacket> {
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@Override
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public void translate(ServerBlockValuePacket packet, GeyserSession session) {
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BlockEventPacket blockEventPacket = new BlockEventPacket();
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blockEventPacket.setBlockPosition(Vector3i.from(packet.getPosition().getX(),
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packet.getPosition().getY(), packet.getPosition().getZ()));
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if (packet.getValue() instanceof ChestValue) {
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ChestValue value = (ChestValue) packet.getValue() ;
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blockEventPacket.setEventType(1);
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blockEventPacket.setEventData(value.getViewers() > 0 ? 1 : 0);
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session.sendUpstreamPacket(blockEventPacket);
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} else if (packet.getValue() instanceof EndGatewayValue) {
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blockEventPacket.setEventType(1);
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session.sendUpstreamPacket(blockEventPacket);
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} else if (packet.getValue() instanceof NoteBlockValue) {
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NoteblockBlockEntityTranslator.translate(session, packet.getPosition());
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} else if (packet.getValue() instanceof PistonValue) {
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PistonValueType type = (PistonValueType) packet.getType();
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// Unlike everything else, pistons need a block entity packet to convey motion
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// TODO: Doesn't register on chunk load; needs to be interacted with first
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Vector3i position = Vector3i.from(packet.getPosition().getX(), packet.getPosition().getY(), packet.getPosition().getZ());
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if (type == PistonValueType.PUSHING) {
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extendPiston(session, position, 0.0f, 0.0f);
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} else {
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retractPiston(session, position, 1.0f, 1.0f);
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}
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} else if (packet.getValue() instanceof MobSpawnerValue) {
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blockEventPacket.setEventType(1);
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session.sendUpstreamPacket(blockEventPacket);
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} else if (packet.getValue() instanceof EndGatewayValue) {
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blockEventPacket.setEventType(1);
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session.sendUpstreamPacket(blockEventPacket);
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} else if (packet.getValue() instanceof GenericBlockValue && packet.getBlockId() == 677) {
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// TODO: Remove hardcode? Remove hardcodes for all of these? (EndGatewayValue for example still hardcodes the block)
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// Bells - needed to show ring from other players
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GenericBlockValue bellValue = (GenericBlockValue) packet.getValue();
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Position position = packet.getPosition();
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BlockEntityDataPacket blockEntityPacket = new BlockEntityDataPacket();
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blockEntityPacket.setBlockPosition(Vector3i.from(position.getX(), position.getY(), position.getZ()));
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NbtMapBuilder builder = NbtMap.builder();
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builder.putInt("x", position.getX());
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builder.putInt("y", position.getY());
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builder.putInt("z", position.getZ());
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builder.putString("id", "Bell");
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int bedrockRingDirection;
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switch (bellValue.getValue()) {
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case 3: // north
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bedrockRingDirection = 0;
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break;
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case 4: // east
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bedrockRingDirection = 1;
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break;
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case 5: // west
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bedrockRingDirection = 3;
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break;
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default: // south (2) is identical
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bedrockRingDirection = bellValue.getValue();
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}
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builder.putInt("Direction", bedrockRingDirection);
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builder.putByte("Ringing", (byte) 1);
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builder.putInt("Ticks", 0);
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blockEntityPacket.setData(builder.build());
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session.sendUpstreamPacket(blockEntityPacket);
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}
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}
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/**
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* Emulating a piston extending
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* @param session GeyserSession
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* @param position Block position
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* @param progress How far the piston is
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* @param lastProgress How far the piston last was
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*/
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private void extendPiston(GeyserSession session, Vector3i position, float progress, float lastProgress) {
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BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket();
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blockEntityDataPacket.setBlockPosition(position);
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byte state = (byte) ((progress == 1.0f && lastProgress == 1.0f) ? 2 : 1);
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blockEntityDataPacket.setData(buildPistonTag(position, progress, lastProgress, state));
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session.sendUpstreamPacket(blockEntityDataPacket);
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if (lastProgress != 1.0f) {
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session.getConnector().getGeneralThreadPool().schedule(() ->
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extendPiston(session, position, (progress >= 1.0f) ? 1.0f : progress + 0.5f, progress),
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20, TimeUnit.MILLISECONDS);
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}
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}
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/**
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* Emulate a piston retracting.
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* @param session GeyserSession
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* @param position Block position
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* @param progress Current progress of piston
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* @param lastProgress Last progress of piston
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*/
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private void retractPiston(GeyserSession session, Vector3i position, float progress, float lastProgress) {
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BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket();
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blockEntityDataPacket.setBlockPosition(position);
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byte state = (byte) ((progress == 0.0f && lastProgress == 0.0f) ? 0 : 3);
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blockEntityDataPacket.setData(buildPistonTag(position, progress, lastProgress, state));
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session.sendUpstreamPacket(blockEntityDataPacket);
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if (lastProgress != 0.0f) {
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session.getConnector().getGeneralThreadPool().schedule(() ->
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retractPiston(session, position, (progress <= 0.0f) ? 0.0f : progress - 0.5f, progress),
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20, TimeUnit.MILLISECONDS);
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}
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}
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/**
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* Build a piston tag
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* @param position Piston position
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* @param progress Current progress of piston
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* @param lastProgress Last progress of piston
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* @param state
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* @return Bedrock CompoundTag of piston
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*/
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private NbtMap buildPistonTag(Vector3i position, float progress, float lastProgress, byte state) {
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NbtMapBuilder builder = 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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.putFloat("Progress", progress)
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.putFloat("LastProgress", lastProgress)
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.putString("id", "PistonArm")
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.putByte("NewState", state)
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.putByte("State", state);
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return builder.build();
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}
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}
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