mirror of https://github.com/cabaletta/baritone
244 lines
8.3 KiB
Java
244 lines
8.3 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 baritone.Baritone;
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import baritone.utils.Helper;
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import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
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import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.world.chunk.Chunk;
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import java.io.IOException;
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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.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.concurrent.LinkedBlockingQueue;
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/**
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* @author Brady
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* @since 8/4/2018 12:02 AM
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*/
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public final class CachedWorld implements Helper {
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/**
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* The maximum number of regions in any direction from (0,0)
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*/
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private static final int REGION_MAX = 58594;
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/**
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* A map of all of the cached regions.
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*/
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private Long2ObjectMap<CachedRegion> cachedRegions = new Long2ObjectOpenHashMap<>();
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/**
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* The directory that the cached region files are saved to
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*/
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private final String directory;
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private final LinkedBlockingQueue<Chunk> toPack = new LinkedBlockingQueue<>();
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CachedWorld(Path 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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}
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this.directory = directory.toString();
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System.out.println("Cached world directory: " + directory);
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// Insert an invalid region element
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cachedRegions.put(0, null);
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Baritone.INSTANCE.getExecutor().execute(new PackerThread());
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Baritone.INSTANCE.getExecutor().execute(() -> {
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try {
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Thread.sleep(30000);
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while (true) {
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// since a region only saves if it's been modified since its last save
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// saving every 10 minutes means that once it's time to exit
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// we'll only have a couple regions to save
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save();
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Thread.sleep(600000);
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}
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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});
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}
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public final void queueForPacking(Chunk chunk) {
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try {
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toPack.put(chunk);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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public final boolean isCached(BlockPos pos) {
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int x = pos.getX();
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int z = pos.getZ();
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CachedRegion region = getRegion(x >> 9, z >> 9);
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if (region == null) {
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return false;
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}
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return region.isCached(x & 511, z & 511);
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}
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public final LinkedList<BlockPos> getLocationsOf(String block, int minimum, int maxRegionDistanceSq) {
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LinkedList<BlockPos> res = new LinkedList<>();
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int playerRegionX = playerFeet().getX() >> 9;
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int playerRegionZ = playerFeet().getZ() >> 9;
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int searchRadius = 0;
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while (searchRadius <= maxRegionDistanceSq) {
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for (int xoff = -searchRadius; xoff <= searchRadius; xoff++) {
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for (int zoff = -searchRadius; zoff <= searchRadius; zoff++) {
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int distance = xoff * xoff + zoff * zoff;
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if (distance != searchRadius) {
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continue;
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}
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int regionX = xoff + playerRegionX;
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int regionZ = zoff + playerRegionZ;
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CachedRegion region = getOrCreateRegion(regionX, regionZ);
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if (region != null) {
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for (BlockPos pos : region.getLocationsOf(block)) {
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res.add(pos);
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}
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}
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}
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}
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if (res.size() >= minimum) {
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return res;
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}
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searchRadius++;
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}
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return res;
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}
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private void updateCachedChunk(CachedChunk chunk) {
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CachedRegion region = getOrCreateRegion(chunk.x >> 5, chunk.z >> 5);
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region.updateCachedChunk(chunk.x & 31, chunk.z & 31, chunk);
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}
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public final void save() {
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if (!Baritone.settings().chunkCaching.get()) {
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System.out.println("Not saving to disk; chunk caching is disabled.");
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return;
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}
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long start = System.nanoTime() / 1000000L;
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allRegions().parallelStream().forEach(region -> {
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if (region != null) {
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region.save(this.directory);
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}
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});
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long now = System.nanoTime() / 1000000L;
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System.out.println("World save took " + (now - start) + "ms");
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}
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private synchronized List<CachedRegion> allRegions() {
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return new ArrayList<>(this.cachedRegions.values());
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}
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public final void reloadAllFromDisk() {
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long start = System.nanoTime() / 1000000L;
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allRegions().forEach(region -> {
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if (region != null) {
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region.load(this.directory);
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}
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});
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long now = System.nanoTime() / 1000000L;
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System.out.println("World load took " + (now - start) + "ms");
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}
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/**
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* Returns the region at the specified region coordinates
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*
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* @param regionX The region X coordinate
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* @param regionZ The region Z coordinate
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* @return The region located at the specified coordinates
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*/
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public final synchronized CachedRegion getRegion(int regionX, int regionZ) {
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return cachedRegions.get(getRegionID(regionX, regionZ));
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}
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/**
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* Returns the region at the specified region coordinates. If a
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* region is not found, then a new one is created.
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*
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* @param regionX The region X coordinate
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* @param regionZ The region Z coordinate
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* @return The region located at the specified coordinates
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*/
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private synchronized CachedRegion getOrCreateRegion(int regionX, int regionZ) {
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return cachedRegions.computeIfAbsent(getRegionID(regionX, regionZ), id -> {
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CachedRegion newRegion = new CachedRegion(regionX, regionZ);
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newRegion.load(this.directory);
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return newRegion;
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});
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}
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/**
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* Returns the region ID based on the region coordinates. 0 will be
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* returned if the specified region coordinates are out of bounds.
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*
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* @param regionX The region X coordinate
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* @param regionZ The region Z coordinate
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* @return The region ID
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*/
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private long getRegionID(int regionX, int regionZ) {
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if (!isRegionInWorld(regionX, regionZ)) {
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return 0;
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}
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return (long) regionX & 0xFFFFFFFFL | ((long) regionZ & 0xFFFFFFFFL) << 32;
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}
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/**
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* Returns whether or not the specified region coordinates is within the world bounds.
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*
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* @param regionX The region X coordinate
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* @param regionZ The region Z coordinate
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* @return Whether or not the region is in world bounds
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*/
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private boolean isRegionInWorld(int regionX, int regionZ) {
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return regionX <= REGION_MAX && regionX >= -REGION_MAX && regionZ <= REGION_MAX && regionZ >= -REGION_MAX;
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}
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private class PackerThread implements Runnable {
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public void run() {
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while (true) {
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LinkedBlockingQueue<Chunk> queue = toPack;
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if (queue == null) {
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break;
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}
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try {
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Chunk chunk = queue.take();
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CachedChunk cached = ChunkPacker.pack(chunk);
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CachedWorld.this.updateCachedChunk(cached);
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//System.out.println("Processed chunk at " + chunk.x + "," + chunk.z);
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} catch (InterruptedException e) {
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e.printStackTrace();
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break;
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}
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}
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}
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}
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}
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