increase unload speed

core/build.gradle

@@ -52,6 +52,7 @@ dependencies {
     implementation 'org.apache.logging.log4j:log4j-core:2.19.0'
     implementation 'commons-lang:commons-lang:2.6'
     implementation 'com.github.oshi:oshi-core:5.8.5'
+    compileOnly 'org.lz4:lz4-java:1.8.0'
 
     // Third Party Integrations
     implementation 'com.ticxo.playeranimator:PlayerAnimator:R1.2.7'

core/src/main/java/com/volmit/iris/util/mantle/Mantle.java

@@ -27,7 +27,6 @@ import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.mantle.EngineMantle;
 import com.volmit.iris.engine.mantle.MantleWriter;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.documentation.RegionCoordinates;
@@ -40,7 +39,6 @@ import com.volmit.iris.util.matter.MatterSlice;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.HyperLock;
 import com.volmit.iris.util.parallel.MultiBurst;
-import com.volmit.iris.util.scheduling.Looper;
 import lombok.Getter;
 import org.bukkit.Chunk;
 
@@ -112,7 +110,7 @@ public class Mantle {
      * @return the file
      */
     public static File fileForRegion(File folder, Long key) {
-        File f = new File(folder, "p." + key + ".ttp");
+        File f = new File(folder, "p." + key + ".ttp.lz4");
         if (!f.getParentFile().exists()) {
             f.getParentFile().mkdirs();
         }
@@ -447,10 +445,11 @@ public class Mantle {
         AtomicInteger i = new AtomicInteger();
         Set<Long> toUnload = this.toUnload;
         this.toUnload = new HashSet<>();
+        toUnload.removeIf(Objects::isNull);
         try {
             List<Future<?>> futures = new ArrayList<>();
             ExecutorService service = Executors.newFixedThreadPool(dynamicThreads.get());
-            for (Long id : new ArrayList<>(toUnload)) {
+            for (long id : new ArrayList<>(toUnload)) {
                 futures.add(service.submit(() ->
                         hyperLock.withLong(id, () -> {
                             TectonicPlate m = loadedRegions.get(id);
@@ -468,10 +467,13 @@ public class Mantle {
                             }
                         })));
             }
-            while (!futures.isEmpty()) {
+
-                futures.remove(0).get();
+            try {
-            }
+                while (!futures.isEmpty()) {
-            service.shutdown();
+                    futures.remove(0).get();
+                }
+                service.shutdown();
+            } catch (InterruptedException ignored) {}
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
@@ -549,6 +551,8 @@ public class Mantle {
             }
 
             File file = fileForRegion(dataFolder, x, z);
+            if (!file.exists())
+                file = new File(dataFolder, file.getName().substring(".lz4".length()));
 
             if (file.exists()) {
                 try {

core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java

@@ -26,6 +26,9 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import lombok.Getter;
+import net.jpountz.lz4.LZ4BlockInputStream;
+import net.jpountz.lz4.LZ4FrameInputStream;
+import net.jpountz.lz4.LZ4FrameOutputStream;
 
 import java.io.*;
 import java.util.concurrent.atomic.AtomicReferenceArray;
@@ -79,8 +82,14 @@ public class TectonicPlate {
 
     public static TectonicPlate read(int worldHeight, File file) throws IOException, ClassNotFoundException {
         FileInputStream fin = new FileInputStream(file);
-        GZIPInputStream gzi = new GZIPInputStream(fin);
+        DataInputStream din;
-        DataInputStream din = new DataInputStream(gzi);
+        if (file.getName().endsWith("ttp")) {
+            GZIPInputStream gzi = new GZIPInputStream(fin);
+            din = new DataInputStream(gzi);
+        } else {
+            LZ4FrameInputStream lz4 = new LZ4FrameInputStream(fin);
+            din = new DataInputStream(lz4);
+        }
         TectonicPlate p = new TectonicPlate(worldHeight, din);
         din.close();
 
@@ -164,8 +173,14 @@ public class TectonicPlate {
     public void write(File file) throws IOException {
         PrecisionStopwatch p = PrecisionStopwatch.start();
         FileOutputStream fos = new FileOutputStream(file);
-        GZIPOutputStream gzo = new GZIPOutputStream(fos);
+        DataOutputStream dos;
-        DataOutputStream dos = new DataOutputStream(gzo);
+        if (file.getName().endsWith("ttp")) {
+            GZIPOutputStream gzo = new GZIPOutputStream(fos);
+            dos = new DataOutputStream(gzo);
+        } else {
+            LZ4FrameOutputStream lz4 = new LZ4FrameOutputStream(fos);
+            dos = new DataOutputStream(lz4);
+        }
         write(dos);
         dos.close();
         Iris.info("Saved Tectonic Plate " + C.DARK_GREEN + file.getName().split("\\Q.\\E")[0] + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));

core/src/main/resources/plugin.yml

@@ -17,6 +17,7 @@ libraries:
   - org.ow2.asm:asm:9.2
   - rhino:js:1.7R2
   - bsf:bsf:2.4.0
+  - org.lz4:lz4-java:1.8.0
 commands:
   iris:
     aliases: [ ir, irs ]