mirror of https://github.com/cabaletta/baritone
126 lines
4.3 KiB
Java
126 lines
4.3 KiB
Java
/*
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* This file is part of Baritone.
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*
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* Baritone is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Baritone is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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package baritone.cache;
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import net.minecraft.util.math.BlockPos;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.*;
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/**
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* Waypoints for a world
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*
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* @author leijurv
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*/
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public class Waypoints {
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/**
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* Magic value to detect invalid waypoint files
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*/
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private static final long WAYPOINT_MAGIC_VALUE = 121977993584L; // good value
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private final Path directory;
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private final Map<Waypoint.Tag, Set<Waypoint>> waypoints;
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Waypoints(Path directory) {
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this.directory = directory;
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if (!Files.exists(directory)) {
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try {
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Files.createDirectories(directory);
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} catch (IOException ignored) {}
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}
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System.out.println("Would save waypoints to " + directory);
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this.waypoints = new HashMap<>();
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load();
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}
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private void load() {
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for (Waypoint.Tag tag : Waypoint.Tag.values()) {
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load(tag);
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}
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}
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private synchronized void load(Waypoint.Tag tag) {
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waypoints.put(tag, new HashSet<>());
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Path fileName = directory.resolve(tag.name().toLowerCase() + ".mp4");
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if (!Files.exists(fileName)) {
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return;
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}
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try (
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FileInputStream fileIn = new FileInputStream(fileName.toFile());
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BufferedInputStream bufIn = new BufferedInputStream(fileIn);
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DataInputStream in = new DataInputStream(bufIn)
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) {
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long magic = in.readLong();
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if (magic != WAYPOINT_MAGIC_VALUE) {
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throw new IOException("Bad magic value " + magic);
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}
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long length = in.readLong(); // Yes I want 9,223,372,036,854,775,807 waypoints, do you not?
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while (length-- > 0) {
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String name = in.readUTF();
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long creationTimestamp = in.readLong();
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int x = in.readInt();
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int y = in.readInt();
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int z = in.readInt();
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waypoints.get(tag).add(new Waypoint(name, tag, new BlockPos(x, y, z), creationTimestamp));
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}
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} catch (IOException ignored) {}
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}
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private synchronized void save(Waypoint.Tag tag) {
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Path fileName = directory.resolve(tag.name().toLowerCase() + ".mp4");
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try (
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FileOutputStream fileOut = new FileOutputStream(fileName.toFile());
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BufferedOutputStream bufOut = new BufferedOutputStream(fileOut);
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DataOutputStream out = new DataOutputStream(bufOut)
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) {
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out.writeLong(WAYPOINT_MAGIC_VALUE);
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out.writeLong(waypoints.get(tag).size());
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for (Waypoint waypoint : waypoints.get(tag)) {
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out.writeUTF(waypoint.name);
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out.writeLong(waypoint.creationTimestamp());
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out.writeInt(waypoint.location.getX());
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out.writeInt(waypoint.location.getY());
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out.writeInt(waypoint.location.getZ());
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}
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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public Set<Waypoint> getByTag(Waypoint.Tag tag) {
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return Collections.unmodifiableSet(waypoints.get(tag));
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}
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public Waypoint getMostRecentByTag(Waypoint.Tag tag) {
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// Find a waypoint of the given tag which has the greatest timestamp value, indicating the most recent
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return this.waypoints.get(tag).stream().min(Comparator.comparingLong(w -> -w.creationTimestamp())).orElse(null);
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}
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public void addWaypoint(Waypoint waypoint) {
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// no need to check for duplicate, because it's a Set not a List
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waypoints.get(waypoint.tag).add(waypoint);
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save(waypoint.tag);
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}
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}
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