Prepatch

build.gradle

@@ -167,6 +167,7 @@ shadowJar
         include(dependency('io.papermc:paperlib'))
         include(dependency('com.dfsek:Paralithic'))
         include(dependency('net.kyori:'))
+        include(dependency('com.github.Querz:NBT'))
     }
 }
 
@@ -185,6 +186,7 @@ dependencies {
     implementation "net.kyori:adventure-text-minimessage:4.1.0-SNAPSHOT"
     implementation "net.kyori:adventure-platform-bukkit:4.0.0-SNAPSHOT"
     implementation 'net.kyori:adventure-api:4.8.1'
+    implementation 'com.github.Querz:NBT:6.1'
 
     // Dynamically Loaded
     implementation 'io.timeandspace:smoothie-map:2.0.2'

src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java

@@ -128,7 +128,8 @@ public class IrisToolbelt {
             return pregenerate(task, new HeadlessPregenMethod(((HeadlessGenerator) gen).getWorld(), (HeadlessGenerator) gen));
         }
 
-        return pregenerate(task, new HybridPregenMethod(gen.getEngine().getWorld().realWorld(), IrisSettings.getThreadCount((int) IrisSettings.get().getConcurrency().getParallelism())));
+        return pregenerate(task, new HybridPregenMethod(gen.getEngine().getWorld().realWorld(),
+                IrisSettings.getThreadCount((int) IrisSettings.get().getConcurrency().getParallelism())));
     }
 
     /**

src/main/java/com/volmit/iris/engine/IrisEngine.java

@@ -54,7 +54,10 @@ import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
+import net.minecraft.world.level.block.state.IBlockData;
+import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Biome;
 import org.bukkit.block.data.BlockData;
@@ -405,8 +408,21 @@ public class IrisEngine implements Engine {
         context.touch();
         getEngineData().getStatistics().generatedChunk();
         try {
+
             PrecisionStopwatch p = PrecisionStopwatch.start();
             Hunk<BlockData> blocks = vblocks.listen((xx, y, zz, t) -> catchBlockUpdates(x + xx, y + getMinHeight(), z + zz, t));
+
+            if(multicore)
+            {
+                for (int i = 0; i < 16; i++) {
+                    for (int j = 0; j < 16; j++) {
+                        blocks.set(i, 0, j, Material.RED_GLAZED_TERRACOTTA.createBlockData());
+                    }
+                }
+            }
+
+            else
+            {
                 getMantle().generateMatter(x >> 4, z >> 4, multicore);
 
                 burst().burst(multicore,
@@ -425,6 +441,9 @@ public class IrisEngine implements Engine {
                         () -> getMantle().insertMatter(x >> 4, z >> 4, BlockData.class, blocks, multicore),
                         () -> getDepositModifier().modify(x, z, vblocks, multicore)
                 );
+            }
+
+
 
             getMetrics().getTotal().put(p.getMilliseconds());
             generated.incrementAndGet();

src/main/java/com/volmit/iris/engine/data/cache/AtomicCache.java

@@ -18,107 +18,82 @@
 
 package com.volmit.iris.engine.data.cache;
 
-import com.volmit.iris.util.math.M;
+import com.volmit.iris.Iris;
-import com.volmit.iris.util.scheduling.IrisLock;
 
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.concurrent.locks.ReentrantLock;
 import java.util.function.Supplier;
 
 public class AtomicCache<T> {
-    private transient volatile T t;
+    private transient final AtomicReference<T> t;
-    private transient volatile long a;
+    private transient final AtomicBoolean set;
-    private transient volatile int validations;
+    private transient final ReentrantLock lock;
-    private final IrisLock check;
+    private transient final boolean nullSupport;
-    private final IrisLock time;
-    private final IrisLock write;
-    private final boolean nullSupport;
 
     public AtomicCache() {
         this(false);
     }
 
     public AtomicCache(boolean nullSupport) {
+        set = nullSupport ? new AtomicBoolean() : null;
+        t = new AtomicReference<>();
+        lock = new ReentrantLock();
         this.nullSupport = nullSupport;
-        check = new IrisLock("Check");
-        write = new IrisLock("Write");
-        time = new IrisLock("Time");
-        validations = 0;
-        a = -1;
-        t = null;
     }
 
     public void reset() {
-        check.lock();
+        t.set(null);
-        write.lock();
+
-        time.lock();
+        if(nullSupport)
-        a = -1;
+        {
-        t = null;
+            set.set(false);
-        time.unlock();
+        }
-        write.unlock();
-        check.unlock();
     }
 
     public T aquire(Supplier<T> t) {
-        if (nullSupport) {
+        if(this.t.get() != null)
-            return aquireNull(t);
+        {
+            return this.t.get();
         }
 
-        if (this.t != null && validations > 1000) {
+        else if(nullSupport && set.get())
-            return this.t;
+        {
+            return null;
         }
 
-        if (this.t != null && M.ms() - a > 1000) {
+        lock.lock();
-            if (this.t != null) {
+
-                //noinspection NonAtomicOperationOnVolatileField
+        if(this.t.get() != null)
-                validations++;
+        {
+            lock.unlock();
+            return this.t.get();
         }
 
-            return this.t;
+        else if(nullSupport && set.get())
+        {
+            lock.unlock();
+            return null;
         }
 
-        check.lock();
+        try
+        {
+            this.t.set(t.get());
 
-        if (this.t == null) {
+            if(nullSupport)
-            write.lock();
+            {
-            this.t = t.get();
+                set.set(true);
-
+            }
-            time.lock();
+        }
-
+
-            if (a == -1) {
+        catch(Throwable e)
-                a = M.ms();
+        {
-            }
+            Iris.error("Atomic cache failure!");
-
+            e.printStackTrace();
-            time.unlock();
+        }
-            write.unlock();
+
-        }
+        lock.unlock();
-
+
-        check.unlock();
+        return t.get();
-        return this.t;
-    }
-
-    public T aquireNull(Supplier<T> t) {
-        if (validations > 1000) {
-            return this.t;
-        }
-
-        if (M.ms() - a > 1000) {
-            //noinspection NonAtomicOperationOnVolatileField
-            validations++;
-            return this.t;
-        }
-
-        check.lock();
-        write.lock();
-        this.t = t.get();
-
-        time.lock();
-
-        if (a == -1) {
-            a = M.ms();
-        }
-
-        time.unlock();
-        write.unlock();
-        check.unlock();
-        return this.t;
     }
 }

src/main/java/com/volmit/iris/engine/object/biome/IrisBiome.java

@@ -198,8 +198,8 @@ public class IrisBiome extends IrisRegistrant implements IRare {
     private final transient AtomicCache<KMap<String, IrisBiomeGeneratorLink>> genCache = new AtomicCache<>();
     private final transient AtomicCache<KMap<String, Integer>> genCacheMax = new AtomicCache<>();
     private final transient AtomicCache<KMap<String, Integer>> genCacheMin = new AtomicCache<>();
-    private final transient AtomicCache<KList<IrisObjectPlacement>> surfaceObjectsCache = new AtomicCache<>(false);
+    private final transient AtomicCache<KList<IrisObjectPlacement>> surfaceObjectsCache = new AtomicCache<>();
-    private final transient AtomicCache<KList<IrisObjectPlacement>> carveObjectsCache = new AtomicCache<>(false);
+    private final transient AtomicCache<KList<IrisObjectPlacement>> carveObjectsCache = new AtomicCache<>();
     private final transient AtomicCache<Color> cacheColor = new AtomicCache<>();
     private final transient AtomicCache<Color> cacheColorObjectDensity = new AtomicCache<>();
     private final transient AtomicCache<Color> cacheColorDecoratorLoad = new AtomicCache<>();

src/main/java/com/volmit/iris/engine/object/common/HeadlessWorld.java

@@ -22,6 +22,7 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.project.loader.IrisData;
 import com.volmit.iris.core.service.StudioSVC;
 import com.volmit.iris.core.tools.IrisToolbelt;
+import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.dimensional.IrisDimension;
 import com.volmit.iris.engine.platform.BukkitChunkGenerator;
 import com.volmit.iris.engine.platform.HeadlessGenerator;
@@ -65,8 +66,24 @@ public class HeadlessWorld {
         }
     }
 
+    @SuppressWarnings("ConstantConditions")
     public HeadlessGenerator generate() {
-        return new HeadlessGenerator(this);
+        Engine e = null;
+
+        if(getWorld().tryGetRealWorld())
+        {
+            if(IrisToolbelt.isIrisWorld(getWorld().realWorld()))
+            {
+                e = IrisToolbelt.access(getWorld().realWorld()).getEngine();
+            }
+        }
+
+        if(e != null)
+        {
+            Iris.info("Using Existing Engine " + getWorld().name() + " for Headless Pregeneration.");
+        }
+
+        return e != null ? new HeadlessGenerator(this, e) : new HeadlessGenerator(this);
     }
 
     public World load() {
@@ -81,7 +98,8 @@ public class HeadlessWorld {
     }
 
     public static HeadlessWorld from(World world) {
-        return new HeadlessWorld(world.getName(), IrisToolbelt.access(world).getEngine().getTarget().getDimension(), world.getSeed());
+        return new HeadlessWorld(world.getName(), IrisToolbelt.access(world)
+                .getEngine().getTarget().getDimension(), world.getSeed());
     }
 
     public static HeadlessWorld from(String name, String dimension, long seed) {

src/main/java/com/volmit/iris/engine/object/common/IrisWorld.java

@@ -24,6 +24,7 @@ import com.volmit.iris.util.collection.KList;
 import lombok.Builder;
 import lombok.Data;
 import lombok.experimental.Accessors;
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.entity.Entity;
@@ -61,6 +62,24 @@ public class IrisWorld {
                 .environment(world.getEnvironment());
     }
 
+    public boolean tryGetRealWorld()
+    {
+        if(hasRealWorld())
+        {
+            return true;
+        }
+
+        World w = Bukkit.getWorld(name);
+
+        if(w != null)
+        {
+            realWorld = w;
+            return true;
+        }
+
+        return false;
+    }
+
     public boolean hasRealWorld() {
         return realWorld != null;
     }

src/main/java/com/volmit/iris/engine/platform/BukkitChunkGenerator.java

@@ -176,6 +176,8 @@ public class BukkitChunkGenerator extends ChunkGenerator implements PlatformChun
 
     @Override
     public @NotNull ChunkData generateChunkData(@NotNull World world, @NotNull Random ignored, int x, int z, @NotNull BiomeGrid biome) {
+
+
         try {
             if(lastSeed != world.getSeed())
             {

src/main/java/com/volmit/iris/engine/platform/HeadlessGenerator.java

@@ -24,16 +24,20 @@ import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.pregenerator.PregenListener;
 import com.volmit.iris.core.pregenerator.PregenTask;
 import com.volmit.iris.engine.IrisEngine;
+import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.data.chunk.MCATerrainChunk;
 import com.volmit.iris.engine.data.chunk.TerrainChunk;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineTarget;
+import com.volmit.iris.engine.framework.WrongEngineBroException;
 import com.volmit.iris.engine.object.common.HeadlessWorld;
 import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.documentation.RegionCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.math.Position2;
+import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.nbt.mca.MCAFile;
 import com.volmit.iris.util.nbt.mca.MCAUtil;
 import com.volmit.iris.util.nbt.mca.NBTWorld;
@@ -56,12 +60,17 @@ public class HeadlessGenerator implements PlatformChunkGenerator {
     private final NBTWorld writer;
     private final MultiBurst burst;
     private final Engine engine;
+    private final long rkey = RNG.r.lmax();
 
     public HeadlessGenerator(HeadlessWorld world) {
+        this(world, new IrisEngine(new EngineTarget(world.getWorld(), world.getDimension(), world.getDimension().getLoader()), world.isStudio()));
+    }
+
+    public HeadlessGenerator(HeadlessWorld world, Engine engine) {
+        this.engine = engine;
         this.world = world;
         burst = MultiBurst.burst;
         writer = new NBTWorld(world.getWorld().worldFolder());
-        engine = new IrisEngine(new EngineTarget(world.getWorld(), world.getDimension(), world.getDimension().getLoader()), isStudio());
     }
 
     @ChunkCoordinates
@@ -79,6 +88,7 @@ public class HeadlessGenerator implements PlatformChunkGenerator {
             getEngine().generate(x * 16, z * 16,
                     Hunk.view((ChunkGenerator.ChunkData) tc), Hunk.view((ChunkGenerator.BiomeGrid) tc),
                     false);
+            chunk.cleanupPalettesAndBlockStates();
         } catch (Throwable e) {
             Iris.error("======================================");
             e.printStackTrace();
@@ -102,7 +112,7 @@ public class HeadlessGenerator implements PlatformChunkGenerator {
     @RegionCoordinates
     public void generateRegion(int x, int z, PregenListener listener) {
         BurstExecutor e = burst.burst(1024);
-        MCAFile f = writer.getMCA(x, x);
+        MCAFile f = writer.getMCA(x, z);
         PregenTask.iterateRegion(x, z, (ii, jj) -> e.queue(() -> {
             if (listener != null) {
                 listener.onChunkGenerating(ii, jj);
@@ -132,7 +142,6 @@ public class HeadlessGenerator implements PlatformChunkGenerator {
     }
 
     public void close() {
-        getEngine().close();
         writer.close();
     }
 

src/main/java/com/volmit/iris/util/nbt/mca/NBTWorld.java

@@ -28,21 +28,49 @@ import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.nbt.tag.CompoundTag;
 import com.volmit.iris.util.nbt.tag.StringTag;
 import com.volmit.iris.util.parallel.HyperLock;
-import com.volmit.iris.util.scheduling.IrisLock;
 import org.bukkit.NamespacedKey;
 import org.bukkit.block.Biome;
 import org.bukkit.block.data.BlockData;
 
+import javax.management.RuntimeErrorException;
 import java.io.File;
 import java.io.IOException;
 import java.util.Map;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
 
 public class NBTWorld {
     private static final BlockData AIR = B.get("AIR");
-    private static final Map<String, CompoundTag> blockDataCache = new KMap<>();
+    private static final Map<BlockData, CompoundTag> blockDataCache = new KMap<>();
+    private static final Function<BlockData, CompoundTag> BLOCK_DATA_COMPUTE = (blockData) -> {
+        CompoundTag s = new CompoundTag();
+        String data = blockData.getAsString(true);
+        NamespacedKey key = blockData.getMaterial().getKey();
+        s.putString("Name", key.getNamespace() + ":" + key.getKey());
+
+        if (data.contains("[")) {
+            String raw = data.split("\\Q[\\E")[1].replaceAll("\\Q]\\E", "");
+            CompoundTag props = new CompoundTag();
+            if (raw.contains(",")) {
+                for (String i : raw.split("\\Q,\\E")) {
+                    String[] m = i.split("\\Q=\\E");
+                    String k = m[0];
+                    String v = m[1];
+                    props.put(k, new StringTag(v));
+                }
+            } else {
+                String[] m = raw.split("\\Q=\\E");
+                String k = m[0];
+                String v = m[1];
+                props.put(k, new StringTag(v));
+            }
+            s.put("Properties", props);
+        }
+
+        return s;
+    };
     private static final Map<Biome, Integer> biomeIds = computeBiomeIDs();
     private final KMap<Long, MCAFile> loadedRegions;
     private final HyperLock hyperLock = new HyperLock();
@@ -184,38 +212,8 @@ public class NBTWorld {
         return b;
     }
 
-    public static CompoundTag getCompound(BlockData blockData) {
+    public static CompoundTag getCompound(BlockData bd) {
-        String data = blockData.getAsString(true);
+        return blockDataCache.computeIfAbsent(bd, BLOCK_DATA_COMPUTE).clone();
-
-        if (blockDataCache.containsKey(data)) {
-            return blockDataCache.get(data).clone();
-        }
-
-        CompoundTag s = new CompoundTag();
-        NamespacedKey key = blockData.getMaterial().getKey();
-        s.putString("Name", key.getNamespace() + ":" + key.getKey());
-
-        if (data.contains("[")) {
-            String raw = data.split("\\Q[\\E")[1].replaceAll("\\Q]\\E", "");
-            CompoundTag props = new CompoundTag();
-            if (raw.contains(",")) {
-                for (String i : raw.split("\\Q,\\E")) {
-                    String[] m = i.split("\\Q=\\E");
-                    String k = m[0];
-                    String v = m[1];
-                    props.put(k, new StringTag(v));
-                }
-            } else {
-                String[] m = raw.split("\\Q=\\E");
-                String k = m[0];
-                String v = m[1];
-                props.put(k, new StringTag(v));
-            }
-            s.put("Properties", props);
-        }
-
-        blockDataCache.put(data, s.clone());
-        return s;
     }
 
     public BlockData getBlockData(int x, int y, int z) {
@@ -275,6 +273,13 @@ public class NBTWorld {
         return c;
     }
 
+    public Chunk getNewChunk(MCAFile mca, int x, int z) {
+        Chunk c = Chunk.newChunk();
+        mca.setChunk(x & 31, z & 31, c);
+
+        return c;
+    }
+
     public long getIdleDuration(int x, int z) {
        return hyperLock.withResult(x, z, () -> {
            Long l = lastUse.get(Cache.key(x, z));

src/main/java/com/volmit/iris/util/nbt/mca/Section.java

@@ -25,6 +25,7 @@ import com.volmit.iris.util.nbt.tag.CompoundTag;
 import com.volmit.iris.util.nbt.tag.ListTag;
 import com.volmit.iris.util.nbt.tag.LongArrayTag;
 import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
+import net.minecraft.world.level.chunk.DataPaletteGlobal;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -148,7 +149,7 @@ public class Section {
      * @param blockZ The z-coordinate of the block in this Section
      * @return The block state data of this block.
      */
-    public CompoundTag getBlockStateAt(int blockX, int blockY, int blockZ) {
+    public synchronized CompoundTag getBlockStateAt(int blockX, int blockY, int blockZ) {
         try {
             int index = getBlockIndex(blockX, blockY, blockZ);
             int paletteIndex = getPaletteIndex(index);
@@ -172,7 +173,7 @@ public class Section {
      *                This option should only be used moderately to avoid unnecessary recalculation of the palette indices.
      *                Recalculating the Palette should only be executed once right before saving the Section to file.
      */
-    public void setBlockStateAt(int blockX, int blockY, int blockZ, CompoundTag state, boolean cleanup) {
+    public synchronized void setBlockStateAt(int blockX, int blockY, int blockZ, CompoundTag state, boolean cleanup) {
         int paletteIndex = addToPalette(state);
         int paletteSizeBefore = palette.size();
         //power of 2 --> bits must increase, but only if the palette size changed
@@ -184,7 +185,6 @@ public class Section {
         }
 
         setPaletteIndex(getBlockIndex(blockX, blockY, blockZ), paletteIndex, blockStates);
-
         if (cleanup) {
             cleanupPaletteAndBlockStates();
         }
@@ -196,7 +196,7 @@ public class Section {
      * @param blockStateIndex The index of the block in this section, ranging from 0-4095.
      * @return The index of the block data in the palette.
      */
-    public int getPaletteIndex(int blockStateIndex) {
+    public synchronized int getPaletteIndex(int blockStateIndex) {
         int bits = blockStates.length() >> 6;
 
         if (dataVersion < 2527) {
@@ -251,7 +251,7 @@ public class Section {
      *
      * @return The palette of this Section.
      */
-    public ListTag<CompoundTag> getPalette() {
+    public synchronized ListTag<CompoundTag> getPalette() {
         return palette;
     }
 
@@ -367,7 +367,7 @@ public class Section {
     /**
      * @return The indices of the block states of this Section.
      */
-    public AtomicLongArray getBlockStates() {
+    public synchronized AtomicLongArray getBlockStates() {
         return blockStates;
     }
 
@@ -431,7 +431,7 @@ public class Section {
      * @param y The Y-value of this Section
      * @return A reference to the raw CompoundTag this Section is based on
      */
-    public CompoundTag updateHandle(int y) {
+    public synchronized CompoundTag updateHandle(int y) {
         data.putByte("Y", (byte) y);
         if (palette != null) {
             data.put("Palette", palette);