0a8efe0189
(except the one in Bot, which extends MCProtocolLib's SessionAdaptor, not sure how exactly make them complement)
274 lines
10 KiB
Java
274 lines
10 KiB
Java
package me.chayapak1.chomens_bot.plugins;
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import me.chayapak1.chomens_bot.Bot;
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import me.chayapak1.chomens_bot.data.entity.Rotation;
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import me.chayapak1.chomens_bot.data.player.PlayerEntry;
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import me.chayapak1.chomens_bot.util.MathUtilities;
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import org.cloudburstmc.math.vector.Vector3d;
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import org.geysermc.mcprotocollib.network.Session;
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import org.geysermc.mcprotocollib.network.packet.Packet;
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import org.geysermc.mcprotocollib.protocol.data.game.entity.type.EntityType;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.entity.*;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.entity.player.ClientboundPlayerPositionPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.entity.spawn.ClientboundAddEntityPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.level.ServerboundAcceptTeleportationPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerPosPacket;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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// some part of the code used to be in a test plugin but i thought it would be useful in the future so i moved it here
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public class PositionPlugin extends Bot.Listener implements TickPlugin.Listener {
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private final Bot bot;
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private final List<Listener> listeners = new ArrayList<>();
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public Vector3d position = Vector3d.from(0, 0, 0);
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public boolean isGoingDownFromHeightLimit = false; // cool variable name
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private final Map<Integer, PlayerEntry> entityIdMap = new HashMap<>();
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private final Map<Integer, Vector3d> positionMap = new HashMap<>();
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private final Map<Integer, Rotation> rotationMap = new HashMap<>();
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public PositionPlugin (Bot bot) {
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this.bot = bot;
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// notchian clients also does this, sends the position packet every second
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bot.executor.scheduleAtFixedRate(() -> {
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if (!bot.loggedIn || isGoingDownFromHeightLimit) return;
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bot.session.send(new ServerboundMovePlayerPosPacket(
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false,
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false,
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position.getX(),
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position.getY(),
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position.getZ()
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));
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}, 0, 1, TimeUnit.SECONDS);
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bot.addListener(this);
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bot.tick.addListener(this);
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}
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@Override
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public void onTick() {
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handleHeightLimit();
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}
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@Override
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public void packetReceived (Session session, Packet packet) {
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if (packet instanceof ClientboundPlayerPositionPacket t_packet) packetReceived(t_packet);
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else if (packet instanceof ClientboundAddEntityPacket t_packet) packetReceived(t_packet);
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else if (packet instanceof ClientboundRemoveEntitiesPacket t_packet) packetReceived(t_packet);
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else if (packet instanceof ClientboundMoveEntityRotPacket t_packet) packetReceived(t_packet);
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else if (packet instanceof ClientboundMoveEntityPosPacket t_packet) packetReceived(t_packet);
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else if (packet instanceof ClientboundMoveEntityPosRotPacket t_packet) packetReceived(t_packet);
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else if (packet instanceof ClientboundEntityPositionSyncPacket t_packet) packetReceived(t_packet);
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}
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public void packetReceived (ClientboundPlayerPositionPacket packet) {
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if (bot.session != null) bot.session.send(new ServerboundAcceptTeleportationPacket(packet.getId()));
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position = packet.getPosition();
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for (Listener listener : listeners) { listener.positionChange(position); }
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}
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public void packetReceived (ClientboundAddEntityPacket packet) {
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if (packet.getType() != EntityType.PLAYER) return;
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final PlayerEntry entry = bot.players.getEntry(packet.getUuid());
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if (entry == null) return;
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entityIdMap.remove(packet.getEntityId());
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positionMap.remove(packet.getEntityId());
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rotationMap.remove(packet.getEntityId());
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entityIdMap.put(packet.getEntityId(), entry);
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positionMap.put(packet.getEntityId(), Vector3d.from(packet.getX(), packet.getY(), packet.getZ()));
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rotationMap.put(packet.getEntityId(), new Rotation(packet.getYaw(), packet.getPitch()));
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}
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public void packetReceived (ClientboundRemoveEntitiesPacket packet) {
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final int[] ids = packet.getEntityIds();
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for (int id : ids) {
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entityIdMap.remove(id);
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positionMap.remove(id);
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rotationMap.remove(id);
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}
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}
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public void packetReceived (ClientboundEntityPositionSyncPacket packet) {
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final PlayerEntry player = entityIdMap.get(packet.getId());
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if (player == null) return;
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positionMap.remove(packet.getId());
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rotationMap.remove(packet.getId());
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final Vector3d position = packet.getPosition().add(packet.getDeltaMovement());
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final Rotation rotation = new Rotation(packet.getXRot(), packet.getYRot());
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positionMap.put(packet.getId(), position);
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rotationMap.put(packet.getId(), rotation);
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for (Listener listener : listeners) listener.playerMoved(player, position, rotation);
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}
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public void packetReceived (ClientboundMoveEntityRotPacket packet) {
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final PlayerEntry player = entityIdMap.get(packet.getEntityId());
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if (player == null) return;
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final Rotation rotation = new Rotation(packet.getYaw(), packet.getPitch());
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rotationMap.put(packet.getEntityId(), rotation);
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for (Listener listener : listeners) listener.playerMoved(player, getPlayerPosition(player.profile.getName()), rotation);
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}
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public void packetReceived (ClientboundMoveEntityPosPacket packet) {
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final PlayerEntry player = entityIdMap.get(packet.getEntityId());
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if (player == null) return;
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final Vector3d lastPosition = positionMap.get(packet.getEntityId());
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positionMap.remove(packet.getEntityId());
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// code ported straight from minecraft
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Vector3d position = lastPosition;
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if (packet.getMoveX() != 0 || packet.getMoveY() != 0 || packet.getMoveZ() != 0) {
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position = position.add(
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packet.getMoveX() == 0 ? 0 : packet.getMoveX(),
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packet.getMoveY() == 0 ? 0 : packet.getMoveY(),
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packet.getMoveZ() == 0 ? 0 : packet.getMoveZ()
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);
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}
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positionMap.put(packet.getEntityId(), position);
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for (Listener listener : listeners) listener.playerMoved(player, position, getPlayerRotation(player.profile.getName()));
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}
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public void packetReceived (ClientboundMoveEntityPosRotPacket packet) {
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final PlayerEntry player = entityIdMap.get(packet.getEntityId());
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if (player == null) return;
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final Vector3d lastPosition = positionMap.get(packet.getEntityId());
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positionMap.remove(packet.getEntityId());
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rotationMap.remove(packet.getEntityId());
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Vector3d position = lastPosition;
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if (packet.getMoveX() != 0 || packet.getMoveY() != 0 || packet.getMoveZ() != 0) {
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position = position.add(
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packet.getMoveX() == 0 ? 0 : packet.getMoveX(),
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packet.getMoveY() == 0 ? 0 : packet.getMoveY(),
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packet.getMoveZ() == 0 ? 0 : packet.getMoveZ()
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);
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}
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final Rotation rotation = new Rotation(packet.getYaw(), packet.getPitch());
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positionMap.put(packet.getEntityId(), position);
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rotationMap.put(packet.getEntityId(), rotation);
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for (Listener listener : listeners) listener.playerMoved(player, position, rotation);
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}
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// for now this is used in CorePlugin when placing the command block
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private void handleHeightLimit () {
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final double y = position.getY();
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final int minY = bot.world.minY;
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final int maxY = bot.world.maxY;
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if (y <= maxY && y >= minY) {
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if (isGoingDownFromHeightLimit) {
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isGoingDownFromHeightLimit = false;
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for (Listener listener : listeners) { listener.positionChange(position); }
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}
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return;
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}
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isGoingDownFromHeightLimit = true;
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if (y > maxY + 500 || y < minY) {
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String command = "/";
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if (bot.serverFeatures.hasEssentials) command += "essentials:";
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command += String.format("tp ~ %s ~", maxY);
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bot.chat.send(command);
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return;
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}
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final Vector3d newPosition = Vector3d.from(
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position.getX(),
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MathUtilities.clamp(position.getY() - 2, maxY, position.getY()),
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position.getZ()
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);
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position = newPosition;
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bot.session.send(new ServerboundMovePlayerPosPacket(
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false,
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false,
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newPosition.getX(),
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newPosition.getY(),
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newPosition.getZ()
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));
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}
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public Vector3d getPlayerPosition (String playerName) {
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int entityId = -1;
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for (Map.Entry<Integer, PlayerEntry> entry : entityIdMap.entrySet()) {
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if (entry.getValue().profile.getName().equals(playerName)) entityId = entry.getKey();
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}
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if (entityId == -1) return null;
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for (Map.Entry<Integer, Vector3d> entry : positionMap.entrySet()) {
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if (entry.getKey() == entityId) return entry.getValue();
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}
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return null;
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}
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public Rotation getPlayerRotation (String playerName) {
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int entityId = -1;
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for (Map.Entry<Integer, PlayerEntry> entry : entityIdMap.entrySet()) {
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if (entry.getValue().profile.getName().equals(playerName)) entityId = entry.getKey();
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}
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if (entityId == -1) return null;
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for (Map.Entry<Integer, Rotation> entry : rotationMap.entrySet()) {
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if (entry.getKey() == entityId) return entry.getValue();
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}
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return null;
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}
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public void addListener (Listener listener) { listeners.add(listener); }
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@SuppressWarnings("unused")
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public interface Listener {
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default void positionChange (Vector3d position) {}
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default void playerMoved (PlayerEntry player, Vector3d position, Rotation rotation) {}
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}
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}
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