forked from GeyserMC/Geyser
126 lines
6.8 KiB
Java
126 lines
6.8 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.entity.player;
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import com.github.steveice10.mc.protocol.data.game.entity.player.PositionElement;
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import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientTeleportConfirmPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.server.entity.player.ServerPlayerPositionRotationPacket;
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import com.nukkitx.math.vector.Vector3f;
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import com.nukkitx.protocol.bedrock.packet.MovePlayerPacket;
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import com.nukkitx.protocol.bedrock.packet.RespawnPacket;
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import com.nukkitx.protocol.bedrock.packet.SetEntityDataPacket;
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import org.geysermc.connector.entity.player.PlayerEntity;
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import org.geysermc.connector.entity.type.EntityType;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.session.cache.TeleportCache;
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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.utils.ChunkUtils;
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import org.geysermc.connector.utils.LanguageUtils;
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@Translator(packet = ServerPlayerPositionRotationPacket.class)
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public class JavaPlayerPositionRotationTranslator extends PacketTranslator<ServerPlayerPositionRotationPacket> {
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@Override
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public void translate(ServerPlayerPositionRotationPacket packet, GeyserSession session) {
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if (!session.isLoggedIn())
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return;
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PlayerEntity entity = session.getPlayerEntity();
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if (!session.isSpawned()) {
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Vector3f pos = Vector3f.from(packet.getX(), packet.getY(), packet.getZ());
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entity.setPosition(pos);
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entity.setRotation(Vector3f.from(packet.getYaw(), packet.getPitch(), packet.getYaw()));
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RespawnPacket respawnPacket = new RespawnPacket();
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respawnPacket.setRuntimeEntityId(0); // Bedrock server behavior
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respawnPacket.setPosition(entity.getPosition());
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respawnPacket.setState(RespawnPacket.State.SERVER_READY);
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session.sendUpstreamPacket(respawnPacket);
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SetEntityDataPacket entityDataPacket = new SetEntityDataPacket();
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entityDataPacket.setRuntimeEntityId(entity.getGeyserId());
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entityDataPacket.getMetadata().putAll(entity.getMetadata());
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session.sendUpstreamPacket(entityDataPacket);
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MovePlayerPacket movePlayerPacket = new MovePlayerPacket();
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movePlayerPacket.setRuntimeEntityId(entity.getGeyserId());
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movePlayerPacket.setPosition(entity.getPosition());
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movePlayerPacket.setRotation(Vector3f.from(packet.getPitch(), packet.getYaw(), 0));
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movePlayerPacket.setMode(MovePlayerPacket.Mode.RESPAWN);
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session.sendUpstreamPacket(movePlayerPacket);
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session.setSpawned(true);
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ClientTeleportConfirmPacket teleportConfirmPacket = new ClientTeleportConfirmPacket(packet.getTeleportId());
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session.sendDownstreamPacket(teleportConfirmPacket);
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ChunkUtils.updateChunkPosition(session, pos.toInt());
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session.getConnector().getLogger().debug(LanguageUtils.getLocaleStringLog("geyser.entity.player.spawn", packet.getX(), packet.getY(), packet.getZ()));
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return;
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}
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session.setSpawned(true);
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// Ignore certain move correction packets for smoother movement
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// These are never relative
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// When chunk caching is enabled this isn't needed as we shouldn't get these
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if (!session.getConnector().getConfig().isCacheChunks() && packet.getRelative().isEmpty()) {
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double xDis = Math.abs(entity.getPosition().getX() - packet.getX());
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double yDis = entity.getPosition().getY() - packet.getY();
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double zDis = Math.abs(entity.getPosition().getZ() - packet.getZ());
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if (!(xDis > 1.5 || (yDis < 1.45 || yDis > (session.isJumping() ? 4.3 : (session.isSprinting() ? 2.5 : 1.9))) || zDis > 1.5)) {
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// Fake confirm the teleport but don't send it to the client
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ClientTeleportConfirmPacket teleportConfirmPacket = new ClientTeleportConfirmPacket(packet.getTeleportId());
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session.sendDownstreamPacket(teleportConfirmPacket);
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return;
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}
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}
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// If coordinates are relative, then add to the existing coordinate
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double newX = packet.getX() +
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(packet.getRelative().contains(PositionElement.X) ? entity.getPosition().getX() : 0);
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double newY = packet.getY() +
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(packet.getRelative().contains(PositionElement.Y) ? entity.getPosition().getY() - EntityType.PLAYER.getOffset() : 0);
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double newZ = packet.getZ() +
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(packet.getRelative().contains(PositionElement.Z) ? entity.getPosition().getZ() : 0);
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float newPitch = packet.getPitch() +
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(packet.getRelative().contains(PositionElement.PITCH) ? entity.getBedrockRotation().getX() : 0);
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float newYaw = packet.getYaw() +
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(packet.getRelative().contains(PositionElement.YAW) ? entity.getBedrockRotation().getY() : 0);
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session.getConnector().getLogger().debug("Teleport from " + entity.getPosition().getX() + " " + (entity.getPosition().getY() - EntityType.PLAYER.getOffset()) + " " + entity.getPosition().getZ());
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session.addTeleport(new TeleportCache(newX, newY, newZ, newPitch, newYaw, packet.getTeleportId()));
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entity.moveAbsolute(session, Vector3f.from(newX, newY, newZ), newYaw, newPitch, true, true);
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session.getConnector().getLogger().debug("to " + entity.getPosition().getX() + " " + (entity.getPosition().getY() - EntityType.PLAYER.getOffset()) + " " + entity.getPosition().getZ());
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}
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}
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