почти успешная загрузка карты

зафиксированы следующие ошибки:
- не прогружаются некоторые чанки (совсем);
- не отображаюся некоторые чанки (пока не пнёшь);
- секция чанка некоректно загружается, если там есть сундук;
- местами некорректно отображаются данные о block light.

anvil-loader/src/main/java/mc/world/anvil/AnvilBlock.java

@@ -1,17 +1,15 @@
 package mc.world.anvil;
 
-import com.flowpowered.nbt.Tag;
 import lombok.extern.slf4j.Slf4j;
 import mc.core.world.block.Block;
 import mc.core.world.block.BlockLocation;
 import mc.core.world.block.BlockType;
 
-import java.util.stream.Stream;
-
 @Slf4j
 public class AnvilBlock implements Block {
     private final AnvilChunkSection chunkSection;
     private final BlockLocation location;
+    private BlockLocation globalLocation;
 
     public AnvilBlock(AnvilChunkSection chunkSection, int x, int y, int z) {
         this.chunkSection = chunkSection;
@@ -30,20 +28,31 @@ public class AnvilBlock implements Block {
 
     @Override
     public BlockType getBlockType() {
-        final byte id = chunkSection.getBlocks().get((location.getY() * 256) + (location.getZ() * 16) + location.getX());
+        final byte id = chunkSection.getBlocks().get((location.getY() << 8) + (location.getZ() << 4) + location.getX());
         final int meta = chunkSection.getBlocksMeta().get(location);
-        return BlockType.getByIdMeta(id, meta);
+        BlockType type = BlockType.getByIdMeta(id & 0xFF, meta);
+        if (type.equals(BlockType.BEDROCK) && id != 7) {
+            log.warn("ChunkSection: {},{},{} | Block: {}",
+                    chunkSection.getX(),
+                    chunkSection.getY(),
+                    chunkSection.getZ(),
+                    location.toString());
+        }
+        return type;
     }
 
     @Override
     public BlockLocation getLocation() {
-        return location;
+        if (globalLocation == null) {
+            globalLocation = location.toGlobal(chunkSection);
+        }
+        return globalLocation;
     }
 
     @Override
     public String toString() {
         return "AnvilBlock{" +
-                "location=" + location +
+                "location=" + getLocation() +
                 ", type=" + getBlockType() +
                 '}';
     }

core/src/main/java/mc/core/world/block/BlockLocation.java

@@ -3,6 +3,7 @@ package mc.core.world.block;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import mc.core.world.chunk.ChunkSection;
 
 @NoArgsConstructor
 @AllArgsConstructor
@@ -20,6 +21,14 @@ public class BlockLocation implements Cloneable {
         this.z = z;
     }
 
+    public BlockLocation toGlobal(ChunkSection chunkSection) {
+        return new BlockLocation(
+                (chunkSection.getX() << 8) + x,
+                (chunkSection.getY() << 8) + y,
+                (chunkSection.getZ() << 8) + z
+        );
+    }
+
     @Override
     public BlockLocation clone() {
         try {

core/src/main/java/mc/core/world/block/BlockType.java

@@ -2,10 +2,12 @@ package mc.core.world.block;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 
 import java.util.Arrays;
 import java.util.stream.Stream;
 
+@Slf4j
 @RequiredArgsConstructor
 public enum BlockType {
     AIR(0, 0),
@@ -15,23 +17,119 @@ public enum BlockType {
     ANDESITE(1, 5),
     GRASS(2, 0),
     DIRT(3, 0),
+    COBBLESTONE(4, 0),
     BEDROCK(7, 0),
-    WATER(9, 0),
+    FLOWING_WATER  (8, 0),
-    LAVA(11, 0),
+    FLOWING_WATER_1(8, 1),
+    FLOWING_WATER_2(8, 2),
+    FLOWING_WATER_3(8, 3),
+    FLOWING_WATER_4(8, 4),
+    FLOWING_WATER_5(8, 5),
+    FLOWING_WATER_6(8, 6),
+    FLOWING_WATER_7(8, 7),
+    WATER   (9, 0),
+    WATER_1 (9, 1),
+    WATER_2 (9, 2),
+    WATER_3 (9, 3),
+    WATER_4 (9, 4),
+    WATER_5 (9, 5),
+    WATER_6 (9, 6),
+    WATER_7 (9, 7),
+    WATER_8 (9, 8),
+    WATER_9 (9, 9),
+    WATER_10(9, 10),
+    WATER_11(9, 11),
+    WATER_12(9, 12),
+    WATER_13(9, 13),
+    WATER_14(9, 14),
+    WATER_15(9, 15),
+    FLOWING_LAVA  (10, 0),
+    FLOWING_LAVA_1(10, 1),
+    FLOWING_LAVA_2(10, 2),
+    FLOWING_LAVA_3(10, 3),
+    FLOWING_LAVA_4(10, 4),
+    FLOWING_LAVA_5(10, 5),
+    FLOWING_LAVA_6(10, 6),
+    FLOWING_LAVA_7(10, 7),
+    LAVA   (11, 0),
+    LAVA_1 (11, 1),
+    LAVA_2 (11, 2),
+    LAVA_3 (11, 3),
+    LAVA_4 (11, 4),
+    LAVA_5 (11, 5),
+    LAVA_6 (11, 6),
+    LAVA_7 (11, 7),
+    LAVA_8 (11, 8),
+    LAVA_9 (11, 9),
+    LAVA_10(11, 10),
+    LAVA_11(11, 11),
+    LAVA_12(11, 12),
+    LAVA_13(11, 13),
+    LAVA_14(11, 14),
+    LAVA_15(11, 15),
     SAND(12, 0),
-    GOLD_ORE(14, 0),
+    GRAVEL(13, 0),
-    IRON_ORE(15, 0),
+    ORE_GOLD(14, 0),
-    COAL_ORE(16, 0),
+    ORE_IRON(15, 0),
-    LAPIS_ORE(21, 0),
+    ORE_COAL(16, 0),
-    DIAMOND_ORE(56, 0),
+    WOOD_OAK    (17, 0),
-    REDSTONE_ORE(73, 0),
+    WOOD_SPRUCE (17, 1),
-    SNOW(78, 0);
+    WOOD_BIRCH  (17, 2),
+    WOOD_JUNGLE (17, 3),
+    WOOD_BIRCH_X(17, 4),
+    WOOD_BIRCH_Z(17, 8),
+    LEAVES_OAK   (18, 0),
+    LEAVES_SPRUCE(18, 1),
+    LEAVES_BIRCH (18, 2),
+    LEAVES_JUNGLE(18, 3),
+    LEAVES_8     (18, 8),
+    LEAVES_9     (18, 9),
+    LEAVES_10    (18, 10),
+    ORE_LAPIS(21, 0),
+    SANDSTONE(24, 0),
+    TALLGRASS(31, 1),
+    DANDELION(37, 0),
+    POPPY(38, 0),
+    MUSHROOM_BROWN(39, 0),
+    MUSHROOM_RED(40, 0),
+    MOSS_STONE(48, 0),
+    OBSIDIAN(49, 0),
+    MONSTER_SPAWNER(52, 0),
+    //BAG CHUNK
+//    CHEST_NORTH(54, 2),
+//    CHEST_SOUTH(54, 3),
+//    CHEST_WEST (54, 4),
+//    CHEST_EAST (54, 5),
+    ORE_DIAMOND(56, 0),
+    ORE_REDSTONE(73, 0),
+    ORE_GLOWING_REDSTONE(74, 0),
+    SNOW(78, 0),
+    CLAY(82, 0),
+    SUGAR_CANES(83, 0),
+    PUMPKIN_SOUTH(86, 0),
+    PUMPKIN_WEST (86, 1),
+    PUMPKIN_NORTH(86, 2),
+    PUMPKIN_EAST (86, 3),
+    STONE_MONSTER_EGG(97, 0),
+    ORE_EMERALD(129, 0),
+    LILAC(175, 1),
+    ROSE_BUSH(175, 4),
+    PEONY(175, 5),
+    ROSE_BUSH_10(175, 10);
 
     public static BlockType getByIdMeta(int id, int meta) {
+        if (id < 0) {
+            log.warn("Incorrect id \"{}\"", id);
+            return BEDROCK;
+        }
+
         Stream<BlockType> stream = Arrays.stream(BlockType.values());
         return stream.filter(blockType -> blockType.id == id && blockType.meta == meta)
                      .findFirst()
-                     .orElse(BlockType.AIR);
+                     .orElseGet(() -> {
+                         log.warn("Unknow block type: {}:{}", id, meta);
+                         return BEDROCK;
+                     });
     }
 
     @Getter

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/ChunkDataPacket.java

@@ -149,13 +149,13 @@ public class ChunkDataPacket implements SCPacket {
 
             for (int y = 0; y < 16; y++) {
                 for (int z = 0; z < 16; z++) {
-                    for (int x = 0; x < 16; x++) {
+                    for (int x = 15; x >= 0; x--) {
                         palettedChunkSection.addBlock(chunkSection.getBlockLocal(x, y, z));
                         palettedChunkSection.addSkyLight(chunkSection.getSkyLightLocal(x, y, z));
 
                         if (biomeWrite) {
                             biomes.writeByte(chunkSection.getBiomeLocal(x, z).getId());
-                            if (x == 15 && z == 15) {
+                            if (x == 0 && z == 15) {
                                 biomeWrite = false;
                             }
                         }