Initial support for 1.20.6

pom.xml

@@ -9,8 +9,8 @@
     <version>1.0.0.0</version>
     <packaging>jar</packaging>
     <properties>
-        <java.version>17</java.version>
-        <java.version.max>17</java.version.max>
+        <java.version>21</java.version>
+        <java.version.max>21</java.version.max>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 

src/main/java/config/Version.java

@@ -13,7 +13,8 @@ public enum Version {
     V1_19_3(761, 3218),
     V1_20(763, 3463),
     V1_20_2(764, 3578),
-    V1_20_3(765, 3698),
+    V1_20_4(765, 3698),
+    V1_20_6(766, 3839),
     ANY(0, 0);
 
     public final int dataVersion;

src/main/java/game/data/LevelData.java

@@ -3,7 +3,6 @@
 import static util.ExceptionHandling.attempt;
 
 import config.Config;
-import config.Option;
 import config.Version;
 import game.data.coordinates.Coordinate3D;
 import game.data.coordinates.CoordinateDouble3D;
@@ -224,7 +223,7 @@ private void disableWorldGeneration(CompoundTag data) {
                     new NamedTag("biome", new StringTag("minecraft:the_void"))
             )));
 
-            CompoundTag dimensions = new CompoundTag(worldManager.getDimensionCodec().getDimensions().stream().map(dimension -> {
+            CompoundTag dimensions = new CompoundTag(worldManager.getDimensionRegistry().getDimensions().stream().map(dimension -> {
                 CompoundTag dim = new CompoundTag();
                 dim.add("type", new StringTag(dimension.getType()));
                 dim.add("generator", generator);

src/main/java/game/data/WorldManager.java

@@ -2,6 +2,8 @@
 
 import static util.ExceptionHandling.attempt;
 
+import game.data.chunk.version.Chunk_1_17;
+import game.data.dimension.DimensionType;
 import gui.ChunkImageState;
 import java.io.File;
 import java.io.IOException;
@@ -41,7 +43,7 @@
 import game.data.coordinates.CoordinateDim2D;
 import game.data.coordinates.CoordinateDouble3D;
 import game.data.dimension.Dimension;
-import game.data.dimension.DimensionCodec;
+import game.data.dimension.DimensionRegistry;
 import game.data.entity.EntityNames;
 import game.data.entity.EntityRegistry;
 import game.data.maps.MapRegistry;
@@ -53,7 +55,6 @@
 import packets.DataTypeProvider;
 import packets.builder.PacketBuilder;
 import proxy.PacketInjector;
-import se.llbit.nbt.CompoundTag;
 import se.llbit.nbt.Tag;
 import util.PathUtils;
 
@@ -81,14 +82,15 @@ public class WorldManager {
     private ContainerManager containerManager;
     private CommandBlockManager commandBlockManager;
     private VillagerManager villagerManager;
-    private DimensionCodec dimensionCodec;
+    private DimensionRegistry dimensionCodec;
     private final RenderDistanceExtender renderDistanceExtender;
 
     private BiConsumer<CoordinateDouble3D, Double> playerPosListener;
     private final CoordinateDouble3D playerPosition;
     private boolean isBelowGround = false;
     private double playerRotation = 0;
     private Dimension dimension;
+    private DimensionType dimensionType;
     private final EntityRegistry entityRegistry;
     private final ChunkFactory chunkFactory;
 
@@ -160,6 +162,11 @@ public void setDimension(Dimension dimension) {
         GuiManager.setDimension(this.dimension);
     }
 
+    public void setDimensionType(DimensionType dimensionType) {
+        this.dimensionType = dimensionType;
+        Chunk_1_17.setWorldHeight(dimensionType.getDimensionMinHeight(), dimensionType.getDimensionMaxHeight());
+    }
+
     private void saveAndUnloadChunks() {
         if (saveService == null) {
             return;
@@ -381,20 +388,23 @@ public void touchChunk(ChunkEntities c) {
         regions.get(c.getLocation().chunkToDimRegion()).touch();
     }
 
-    public DimensionCodec getDimensionCodec() {
+    public DimensionRegistry getDimensionRegistry() {
+        if (dimensionCodec == null) {
+            this.dimensionCodec = DimensionRegistry.empty();
+        }
         return dimensionCodec;
     }
 
     /**
-     * Set the dimension codec, used to store information about the dimensions that this server supports.
+     * Set the dimension registry, used to store information about the dimensions that this server supports.
      */
-    public void setDimensionCodec(DimensionCodec codec) {
-        dimensionCodec = codec;
+    public void setDimensionRegistry(DimensionRegistry registry) {
+        dimensionCodec = registry;
 
         // We can immediately try to write the dimension data to the proper directory.
         try {
             Path p = PathUtils.toPath(Config.getWorldOutputDir(), "datapacks", "downloaded", "data");
-            if (codec.write(p)) {
+            if (registry.write(p)) {
 
                 // we need to copy that pack.mcmeta file from so that Minecraft will recognise the datapack
                 Path packMeta = PathUtils.toPath(p.getParent().toString(), "pack.mcmeta");

src/main/java/game/data/chunk/ChunkSection.java

@@ -1,6 +1,6 @@
 package game.data.chunk;
 
-import game.data.chunk.palette.GlobalPalette;
+import game.data.chunk.palette.BlockRegistry;
 import java.util.Arrays;
 
 import org.apache.commons.lang3.mutable.MutableBoolean;
@@ -92,7 +92,7 @@ public byte getY() {
     }
 
     public int computeHeight(int x, int z, MutableBoolean foundAir) {
-        GlobalPalette globalPalette = GlobalPaletteProvider.getGlobalPalette(getDataVersion());
+        BlockRegistry globalPalette = GlobalPaletteProvider.getGlobalPalette(getDataVersion());
 
         for (int y = 15; y >= 0 ; y--) {
             int blockStateId = getNumericBlockStateAt(x, y, z);