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https://github.com/plexusorg/Plex-FAWE.git
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Update MCAFile.java
This commit is contained in:
Jesse Boyd
parent
ed7df341b4
commit
0b2bd862a0
@ -3,7 +3,6 @@ package com.boydti.fawe.jnbt.anvil;
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import com.boydti.fawe.Fawe;
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import com.boydti.fawe.beta.Trimable;
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import com.boydti.fawe.jnbt.streamer.StreamDelegate;
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import com.boydti.fawe.object.RunnableVal;
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import com.boydti.fawe.object.RunnableVal4;
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import com.boydti.fawe.object.collection.CleanableThreadLocal;
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import com.boydti.fawe.object.io.BufferedRandomAccessFile;
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@ -14,6 +13,7 @@ import com.sk89q.jnbt.NBTInputStream;
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import com.sk89q.worldedit.world.World;
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import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileNotFoundException;
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@ -23,7 +23,6 @@ import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ForkJoinPool;
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import java.util.concurrent.TimeUnit;
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import java.util.function.Consumer;
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@ -33,6 +32,7 @@ import java.util.zip.InflaterInputStream;
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/**
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* Chunk format: http://minecraft.gamepedia.com/Chunk_format#Entity_format
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* e.g.: `.Level.Entities.#` (Starts with a . as the root tag is unnamed)
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* Note: This class isn't thread safe. You can use it in an async thread, but not multiple at the same time
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*/
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public class MCAFile implements Trimable {
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@ -61,6 +61,7 @@ public class MCAFile implements Trimable {
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private int X, Z;
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private MCAChunk[] chunks;
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private boolean[] chunkInitialized;
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private Object[] locks;
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final ThreadLocal<byte[]> byteStore1 = new ThreadLocal<byte[]>() {
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@Override
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@ -86,6 +87,10 @@ public class MCAFile implements Trimable {
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this.locations = new byte[4096];
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this.chunks = new MCAChunk[32 * 32];
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this.chunkInitialized = new boolean[this.chunks.length];
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this.locks = new Object[this.chunks.length];
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for (int i = 0; i < locks.length; i++) {
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locks[i] = new Object();
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}
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}
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@Override
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@ -106,14 +111,12 @@ public class MCAFile implements Trimable {
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public MCAFile init(File file) throws FileNotFoundException {
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String[] split = file.getName().split("\\.");
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X = Integer.parseInt(split[1]);
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Z = Integer.parseInt(split[2]);
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int X = Integer.parseInt(split[1]);
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int Z = Integer.parseInt(split[2]);
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return init(file, X, Z);
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}
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public MCAFile init(File file, int mcrX, int mcrZ) throws FileNotFoundException {
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if (raf != null) {
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synchronized (raf) {
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if (raf != null) {
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flush(pool);
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for (int i = 0; i < 4096; i++) {
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@ -125,15 +128,12 @@ public class MCAFile implements Trimable {
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e.printStackTrace();
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}
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raf = null;
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}
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deleted = false;
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Arrays.fill(chunkInitialized, false);
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readLocations = false;
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}
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}
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this.X = mcrX;
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this.Z = mcrZ;
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}
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this.file = file;
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if (!file.exists()) {
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throw new FileNotFoundException(file.getName());
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@ -178,10 +178,10 @@ public class MCAFile implements Trimable {
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e.printStackTrace();
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}
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}
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synchronized (chunks) {
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deleted = false;
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readLocations = false;
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Arrays.fill(chunkInitialized, false);
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}
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}
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@Override
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protected void finalize() throws Throwable {
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@ -234,15 +234,25 @@ public class MCAFile implements Trimable {
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public MCAChunk getChunk(int cx, int cz) throws IOException {
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int pair = getIndex(cx, cz);
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MCAChunk chunk = chunks[pair];
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if (chunk == null) {
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Object lock = locks[pair];
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synchronized (lock) {
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chunk = chunks[pair];
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if (chunk == null) {
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chunk = new MCAChunk();
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chunk.setPosition(cx, cz);
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chunks[pair] = chunk;
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}
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}
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} else if (chunkInitialized[pair]) {
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return chunk;
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}
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synchronized (chunk) {
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if (!chunkInitialized[pair]) {
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readChunk(chunk, pair);
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chunkInitialized[pair] = true;
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}
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}
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return chunk;
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}
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@ -493,7 +503,6 @@ public class MCAFile implements Trimable {
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if (isDeleted()) {
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return true;
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}
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synchronized (chunks) {
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for (int i = 0; i < chunks.length; i++) {
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MCAChunk chunk = chunks[i];
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if (chunk != null && this.chunkInitialized[i]) {
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@ -502,15 +511,14 @@ public class MCAFile implements Trimable {
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}
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}
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}
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}
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return false;
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}
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/**
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* Write the chunk to the file
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* @param pool
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* @param wait - If the flush method needs to wait for the pool
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*/
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public void flush(ForkJoinPool pool) {
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public void flush(boolean wait) {
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synchronized (raf) {
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// If the file is marked as deleted, nothing is written
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if (isDeleted()) {
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@ -519,12 +527,6 @@ public class MCAFile implements Trimable {
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return;
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}
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boolean wait; // If the flush method needs to wait for the pool
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if (pool == null) {
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wait = true;
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pool = new ForkJoinPool();
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} else wait = false;
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// Chunks that need to be relocated
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Int2ObjectOpenHashMap<byte[]> relocate = new Int2ObjectOpenHashMap<>();
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// The position of each chunk
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@ -533,19 +535,18 @@ public class MCAFile implements Trimable {
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final Int2ObjectOpenHashMap<byte[]> compressedMap = new Int2ObjectOpenHashMap<>();
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// The data of each chunk that needs to be moved
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final Int2ObjectOpenHashMap<byte[]> append = new Int2ObjectOpenHashMap<>();
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boolean modified = false;
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boolean[] modified = new boolean[1];
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// Get the current time for the chunk timestamp
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long now = System.currentTimeMillis();
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// Load the chunks into the append or compressed map
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for (MCAChunk chunk : getCachedChunks()) {
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final ForkJoinPool finalPool = this.pool;
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forEachCachedChunk(chunk -> {
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if (chunk.isModified() || chunk.isDeleted()) {
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modified = true;
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modified[0] = true;
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chunk.setLastUpdate(now);
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if (!chunk.isDeleted()) {
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pool.submit(new Runnable() {
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@Override
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public void run() {
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MCAFile.this.pool.submit(() -> {
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try {
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byte[] compressed = toBytes(chunk);
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int pair = MathMan.pair((short) (chunk.getX() & 31), (short) (chunk.getZ() & 31));
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@ -561,14 +562,13 @@ public class MCAFile implements Trimable {
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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});
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}
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}
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}
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});
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// If any changes were detected
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if (modified) {
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if (modified[0]) {
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file.setLastModified(now);
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// Load the offset data into the offset map
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@ -700,13 +700,9 @@ public class MCAFile implements Trimable {
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e.printStackTrace();
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}
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if (wait) {
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pool.shutdown();
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pool.awaitQuiescence(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
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}
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}
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}
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CleanableThreadLocal.clean(byteStore1);
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CleanableThreadLocal.clean(byteStore2);
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CleanableThreadLocal.clean(byteStore3);
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}
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}
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