сериализация полного чанка

protocol/src/main/java/mc/protocol/packets/play/server/ChunkDataPacket.java

@@ -2,17 +2,12 @@ package mc.protocol.packets.play.server;
 
 import io.netty.buffer.Unpooled;
 import lombok.Data;
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import mc.protocol.buffer.NetByteBuf;
 import mc.protocol.packets.ServerSidePacket;
 import mc.protocol.pool.ProtocolObjectPool;
-import mc.protocol.world.Block;
+import mc.protocol.utils.ChunkSerializeUtil;
 import mc.protocol.world.Chunk;
 import mc.protocol.world.ChunkSection;
-import mc.utils.array.BitArray;
-import mc.utils.array.BitByteArray;
-import mc.utils.array.BitLongArray;
 
 /**
  * Данные чанка.
@@ -79,9 +74,7 @@ import mc.utils.array.BitLongArray;
 @Data
 public class ChunkDataPacket implements ServerSidePacket {
 
-	private static final int BITS_PER_BLOCK = 13;
 	private static final int FULL_BIT_MASK = 0b11111111_11111111;
-	private static final int _16_16_16 = 16 * 16 * 16;
 
 	private Chunk chunk;
 
@@ -90,12 +83,10 @@ public class ChunkDataPacket implements ServerSidePacket {
 		netByteBuf.writeInt(chunk.getX()); // Chunk X
 		netByteBuf.writeInt(chunk.getZ()); // Chunk Z
 
-		AvailableSections availableSections = createAvailableSections();
-		boolean fullChunk = availableSections.getBitMask() == FULL_BIT_MASK;
-		netByteBuf.writeBoolean(fullChunk); // Is Full chunk
-		netByteBuf.writeVarInt(availableSections.getBitMask()); // Available Sections
+		netByteBuf.writeBoolean(true); // Is Full chunk
+		netByteBuf.writeVarInt(FULL_BIT_MASK); // Available Sections
 
-		NetByteBuf data = createDataStructure(availableSections.getMaxHeight(), fullChunk);
+		NetByteBuf data = createDataStructure();
 		netByteBuf.writeVarInt(data.readableBytes()); // Size of Data
 		netByteBuf.writeBytes(data); // Data
 
@@ -105,108 +96,26 @@ public class ChunkDataPacket implements ServerSidePacket {
 		ProtocolObjectPool.getNetByteBufPool().returnObject(data);
 	}
 
-	private AvailableSections createAvailableSections() {
-		int bitMask = 0;
-		int maxH = 0;
-		for (int h = 15; h >= 0; h--) {
-			bitMask = bitMask << 1;
-			ChunkSection chunkSection = chunk.getSection(h);
-			if (chunkSection != null && chunkSection.getY() == h) {
-				bitMask |= 0x01;
-				maxH++;
-			} else {
-				bitMask |= 0x00;
-			}
-		}
-
-		return new AvailableSections(bitMask, maxH);
-	}
-
-	private NetByteBuf createDataStructure(int maxHeight, boolean fillBiomes) {
+	private NetByteBuf createDataStructure() {
 		NetByteBuf dataStructure = ProtocolObjectPool.getNetByteBufPool().borrowObject().setByteBuf(Unpooled.buffer());
-		NetByteBuf biomes = fillBiomes ? ProtocolObjectPool.getNetByteBufPool().borrowObject().setByteBuf(Unpooled.buffer()) : null;
 
-		for (int h = 0; h < maxHeight; h++) {
+		for (int h = 0; h < 16; h++) {
 			ChunkSection section = chunk.getSection(h);
-			if (section == null) {
-				continue;
-			}
-
-			NetByteBuf data = createData(section, biomes);
+			NetByteBuf data = ChunkSerializeUtil.serializeSection(section);
 			dataStructure.writeBytes(data); // Data
 			ProtocolObjectPool.getNetByteBufPool().returnObject(data);
 		}
 
-		if (fillBiomes) {
-			dataStructure.writeBytes(biomes); // Biomes
-			ProtocolObjectPool.getNetByteBufPool().returnObject(biomes);
+		// <Biomes>
+		for (int z = 0; z < 16; z++) {
+			for (int x = 0; x < 16; x++) {
+				dataStructure.writeByte(chunk.getBiome(
+						(chunk.getX() << 4) + x,
+						(chunk.getZ() << 4) + z));
+			}
 		}
+		// </Biomes>
 
 		return dataStructure;
 	}
-
-	private NetByteBuf createData(ChunkSection section, NetByteBuf biomes) {
-		NetByteBuf data = ProtocolObjectPool.getNetByteBufPool().borrowObject().setByteBuf(Unpooled.buffer());
-
-		BitArray blockLight = new BitByteArray(4, 2048 * 2);
-		BitArray skyLight = new BitByteArray(4, 2048 * 2);
-
-		// <Bits Per Block>
-		data.writeUnsignedByte(BITS_PER_BLOCK);
-		// </Bits Per Block>
-
-		// <Palette>
-		data.writeVarInt(0); // Direct mode
-		// </Palette>
-
-		// <Data Array Length>
-		data.writeVarInt(_16_16_16);
-		// </Data Array Length>
-
-		// <Data Array>
-		BitArray dataArray = new BitLongArray(BITS_PER_BLOCK, _16_16_16);
-		boolean writeBiomes = biomes != null;
-
-		for (int y = 0; y < 16; y++) {
-			for (int z = 0; z < 16; z++) {
-				for (int x = 0; x < 16; x++) {
-					Block block = section.getBlock(x, y, z);
-					int blockState = (block.getId() << 4) | block.getMeta();
-					dataArray.put(blockState);
-
-					blockLight.put(block.getLight());
-					skyLight.put(section.getSkyLight(x, y, z));
-
-					if (writeBiomes) {
-						biomes.writeByte(chunk.getBiome(
-								(chunk.getX() << 4) + x,
-								(chunk.getZ() << 4) + z));
-
-						if (x == 15 && z == 15) {
-							writeBiomes = false;
-						}
-					}
-				}
-			}
-		}
-		data.writeBytes(dataArray.byteBuffer());
-		// </Data Array>
-
-		// <Block Light>
-		data.writeBytes(blockLight.byteBuffer());
-		// </Block Light>
-
-		// <Sky Light>
-		data.writeBytes(skyLight.byteBuffer());
-		// </Sky Light>
-
-		return data;
-	}
-
-	@RequiredArgsConstructor
-	@Getter
-	private static class AvailableSections {
-		private final int bitMask;
-		private final int maxHeight;
-	}
 }

protocol/src/main/java/mc/protocol/utils/ChunkSerializeUtil.java

@@ -0,0 +1,48 @@
+package mc.protocol.utils;
+
+import io.netty.buffer.Unpooled;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import mc.protocol.buffer.NetByteBuf;
+import mc.protocol.pool.ProtocolObjectPool;
+import mc.protocol.world.Block;
+import mc.protocol.world.ChunkSection;
+import mc.utils.array.BitArray;
+import mc.utils.array.BitByteArray;
+import mc.utils.array.BitLongArray;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class ChunkSerializeUtil {
+
+	private static final int BITS_PER_BLOCK = 13;
+	private static final int ALL_BLOCKS = 16 * 16 * 16;
+
+	public static NetByteBuf serializeSection(ChunkSection section) {
+		BitArray blockArray = new BitLongArray(BITS_PER_BLOCK, ALL_BLOCKS);
+		BitArray blockLight = new BitByteArray(4, ALL_BLOCKS);
+		BitArray skyLight = new BitByteArray(4, ALL_BLOCKS);
+
+		for (int y = 0; y < 16; y++) {
+			for (int z = 0; z < 16; z++) {
+				for (int x = 0; x < 16; x++) {
+					Block block = section.getBlock(x, y, z);
+					int blockState = (block.getId() << 4) | block.getMeta();
+
+					blockArray.put(blockState);
+					blockLight.put(block.getLight());
+					skyLight.put(section.getSkyLight(x, y, z));
+				}
+			}
+		}
+
+		NetByteBuf result = ProtocolObjectPool.getNetByteBufPool().borrowObject().setByteBuf(Unpooled.buffer());
+		result.writeUnsignedByte(BITS_PER_BLOCK); // Bits Per Block
+		result.writeVarInt(0); // Palette, Direct mode
+		result.writeVarInt(blockArray.size()); // Data Array Length
+		result.writeBytes(blockArray.byteBuffer()); // Data Array
+		result.writeBytes(blockLight.byteBuffer()); // Block Light
+		result.writeBytes(skyLight.byteBuffer()); // Sky Light
+
+		return result;
+	}
+}

server/src/main/java/mc/server/Main.java

@@ -67,7 +67,7 @@ public class Main {
 		//endregion
 
 		ServerComponent serverComponent = DaggerServerComponent.builder()
-				.processorModule(new ScenarioModule(configComponent.getConfig()))
+				.scenarioModule(new ScenarioModule(configComponent.getConfig()))
 				.build();
 		serverComponent.getPacketScenarios().forEach(scenario -> scenario.setup(serverComponent.getProtocolHandlersBus()));
 

server/src/main/java/mc/server/di/WorldModule.java

@@ -3,7 +3,7 @@ package mc.server.di;
 import dagger.Module;
 import dagger.Provides;
 import mc.protocol.world.World;
-import mc.server.world.VoidWorld;
+import mc.server.world.SomeWorld;
 
 import javax.inject.Singleton;
 
@@ -13,6 +13,6 @@ public class WorldModule {
 	@Provides
 	@Singleton
 	World provideWorld() {
-		return new VoidWorld();
+		return new SomeWorld();
 	}
 }

server/src/main/java/mc/server/scenario/ScenarioLogin.java

@@ -37,7 +37,7 @@ public class ScenarioLogin implements PacketScenario {
 	}
 
 	private void login(ChannelHandlerContext ctx, LoginStartPacket packet) {
-		Player player = playerManager.create(ctx, packet.getName(), GameMode.SURVIVAL, world.getSpawn());
+		Player player = playerManager.create(ctx, packet.getName(), GameMode.CREATIVE, world.getSpawn());
 		ctx.channel().attr(ServetAttributes.PLAYER).set(player);
 
 		sendLoginSuccess(player);
@@ -85,7 +85,7 @@ public class ScenarioLogin implements PacketScenario {
 		var playerAbilitiesPacket = new PlayerAbilitiesPacket();
 		playerAbilitiesPacket.setCatFly(true);
 		playerAbilitiesPacket.setFlying(true);
-		playerAbilitiesPacket.setCreativeMode(false);
+		playerAbilitiesPacket.setCreativeMode(true);
 		playerAbilitiesPacket.setInvulnerable(true);
 		playerAbilitiesPacket.setFieldOfView(0.0f);
 		playerAbilitiesPacket.setFlyingSpeed(0.05f);
@@ -96,7 +96,8 @@ public class ScenarioLogin implements PacketScenario {
 	@SuppressWarnings("java:S2589")
 	private void sendWorldData(Player player) {
 		Location chunkLocation = LocationUtils.toChunkXZ(player.getLocation());
-		Chunk chunk = world.getChunk((int) chunkLocation.getX(), (int) chunkLocation.getZ());
+//		Chunk chunk = world.getChunk((int) chunkLocation.getX(), (int) chunkLocation.getZ());
+		Chunk chunk = world.getChunk(-50, -16);
 
 		var chunkDataPacket = new ChunkDataPacket();
 		chunkDataPacket.setChunk(chunk);
@@ -112,8 +113,11 @@ public class ScenarioLogin implements PacketScenario {
 				for (int x = minX; x <= maxX; x++) {
 					if ((z == minZ || z == maxZ) || (x == minX || x == maxX)) {
 						chunkDataPacket = new ChunkDataPacket();
-						chunkDataPacket.setChunk(world.getChunk(x, z));
-						player.getCtx().write(chunkDataPacket);
+						chunk = world.getChunk(x, z);
+						if (chunk != null) {
+							chunkDataPacket.setChunk(chunk);
+							player.getCtx().write(chunkDataPacket);
+						}
 					}
 				}
 			}

server/src/main/java/mc/server/world/AirBlock.java

@@ -1,33 +0,0 @@
-package mc.server.world;
-
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import mc.protocol.model.Location;
-import mc.protocol.world.Block;
-
-@RequiredArgsConstructor
-public class AirBlock implements Block {
-
-	@Getter
-	private final Location location;
-
-	@Override
-	public int getId() {
-		return 0;
-	}
-
-	@Override
-	public int getMeta() {
-		return 0;
-	}
-
-	@Override
-	public int getLight() {
-		return 0;
-	}
-
-	@Override
-	public void setLight(int value) {
-		throw new UnsupportedOperationException();
-	}
-}

server/src/main/java/mc/server/world/SomeBlock.java

@@ -0,0 +1,14 @@
+package mc.server.world;
+
+import lombok.Data;
+import mc.protocol.model.Location;
+import mc.protocol.world.Block;
+
+@Data
+public class SomeBlock implements Block {
+
+	private int id;
+	private int meta;
+	private int light;
+	private Location location;
+}

server/src/main/java/mc/server/world/SomeChunk.java

@@ -8,19 +8,19 @@ import java.util.HashMap;
 import java.util.Map;
 
 @Data
-public class VoidChunk implements Chunk {
+public class SomeChunk implements Chunk {
 
 	private final int x;
 	private final int z;
-	private final Map<Integer, VoidChunkSection> sections = new HashMap<>();
+	private final Map<Integer, ChunkSection> sections = new HashMap<>();
 
 	@Override
 	public ChunkSection getSection(int height) {
-		return sections.computeIfAbsent(height, VoidChunkSection::new);
+		return sections.computeIfAbsent(height, SomeChunkSection::new);
 	}
 
 	@Override
 	public byte getBiome(int x, int z) {
-		return 127; // 127 | 7F | minecraft:void | The Void
+		return 0; //ocean
 	}
 }

server/src/main/java/mc/server/world/SomeChunkSection.java

@@ -0,0 +1,56 @@
+package mc.server.world;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.model.Location;
+import mc.protocol.world.Block;
+import mc.protocol.world.ChunkSection;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@RequiredArgsConstructor
+@Getter
+public class SomeChunkSection implements ChunkSection {
+
+	private final int y;
+	private final Map<Location, Block> blocks = new HashMap<>();
+
+	@Override
+	public Block getBlock(int x, int y, int z) {
+		if (this.y == 15) {
+			if (y == 0) {
+				return blocks.computeIfAbsent(new Location().set(x, y, z), location -> {
+					SomeBlock block = new SomeBlock();
+					block.setLocation(location);
+					block.setId(3);
+					return block;
+				});
+			} else {
+				return blocks.computeIfAbsent(new Location().set(x, y, z), location -> {
+					SomeBlock block = new SomeBlock();
+					block.setLocation(location);
+					block.setId(0);
+					return block;
+				});
+			}
+		} else {
+			return blocks.computeIfAbsent(new Location().set(x, y, z), location -> {
+				SomeBlock block = new SomeBlock();
+				block.setLocation(location);
+				block.setId(1);
+				return block;
+			});
+		}
+	}
+
+	@Override
+	public int getSkyLight(int x, int y, int z) {
+		if (this.y == 15 && y != 0) {
+			return 15;
+		} else {
+			return 0;
+		}
+	}
+
+}

server/src/main/java/mc/server/world/SomeWorld.java

@@ -3,14 +3,14 @@ package mc.server.world;
 import mc.protocol.model.Location;
 import mc.protocol.pool.ProtocolObjectPool;
 import mc.protocol.utils.LevelType;
-import mc.protocol.utils.Table;
 import mc.protocol.world.Chunk;
 import mc.protocol.world.World;
+import mc.utils.Table;
 
-public class VoidWorld implements World {
+public class SomeWorld implements World {
 
-	private static final Location spawn = ProtocolObjectPool.getLocationPool().borrowObject().set(7d, 130d, 7d);
-	private final Table<Integer, Integer, VoidChunk> chunkTable = new Table<>();
+	private static final Location spawn = ProtocolObjectPool.getLocationPool().borrowObject().set(-790d, 256d, -263d + 16d);
+	private final Table<Integer, Integer, Chunk> chunkTable = new Table<>();
 
 	@Override
 	public LevelType getLevelType() {
@@ -19,14 +19,18 @@ public class VoidWorld implements World {
 
 	@Override
 	public Location getSpawn() {
-		return VoidWorld.spawn;
+		return SomeWorld.spawn;
 	}
 
 	@Override
 	public Chunk getChunk(int x, int z) {
-		VoidChunk chunk = chunkTable.getColumnAndRow(x, z);
+		if (x != -50 && z != -16) {
+			return null;
+		}
+
+		Chunk chunk = chunkTable.getColumnAndRow(x, z);
 		if (chunk == null) {
-			chunk = new VoidChunk(x, z);
+			chunk = new SomeChunk(x, z);
 			chunkTable.put(x, z, chunk);
 		}
 

server/src/main/java/mc/server/world/VoidChunkSection.java

@@ -1,29 +0,0 @@
-package mc.server.world;
-
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import mc.protocol.model.Location;
-import mc.protocol.world.Block;
-import mc.protocol.world.ChunkSection;
-
-import java.util.HashMap;
-import java.util.Map;
-
-@RequiredArgsConstructor
-@Getter
-public class VoidChunkSection implements ChunkSection {
-
-	private final int y;
-	private final Map<Location, AirBlock> blocks = new HashMap<>();
-
-	@Override
-	public Block getBlock(int x, int y, int z) {
-		return blocks.computeIfAbsent(new Location().set(x, y, z), AirBlock::new);
-	}
-
-	@Override
-	public int getSkyLight(int x, int y, int z) {
-		return 0;
-	}
-
-}

server/src/main/resources/config-default.conf

@@ -23,5 +23,5 @@ icon {
 }
 
 world {
-  view-distance: 1
+  view-distance: 0
 }

server/src/main/resources/logback-default.xml

@@ -8,8 +8,16 @@
         </layout>
     </appender>
 
+    <!--<appender name="FILE" class="ch.qos.logback.core.FileAppender">
+        <file>out.log</file>
+        <encoder>
+            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level [%35.35logger{34}] &#45;&#45; %msg%n</Pattern>
+        </encoder>
+    </appender>-->
+
     <root level="info">
         <appender-ref ref="CONSOLE"/>
+        <!--<appender-ref ref="FILE"/>-->
     </root>
 
     <logger name="LAUNCHER" level="debug" additivity="false">

utils/src/main/java/mc/utils/array/BitArray.java

@@ -10,4 +10,5 @@ public interface BitArray {
 	int get(int index);
 
 	ByteBuffer byteBuffer();
+	int size();
 }

utils/src/main/java/mc/utils/array/BitByteArray.java

@@ -2,6 +2,8 @@ package mc.utils.array;
 
 public class BitByteArray extends AbstractBitBufferArray {
 
+	private int countElements;
+
 	public BitByteArray(int bitPerEntity, int arraySize, boolean direct) {
 		super(bitPerEntity, arraySize, direct);
 	}
@@ -55,8 +57,16 @@ public class BitByteArray extends AbstractBitBufferArray {
 		}
 	}
 
+	@Override
+	public int size() {
+		return countElements;
+	}
+
 	@Override
 	protected int calculateCapacity() {
-		return (arraySize * bitPerEntity / Byte.SIZE + 1) * Byte.BYTES;
+		int bits = arraySize * bitPerEntity;
+		int var1 = bits % Byte.SIZE;
+		this.countElements = bits / Byte.SIZE + (var1 > 0 ? 1 : 0);
+		return countElements;
 	}
 }

utils/src/main/java/mc/utils/array/BitLongArray.java

@@ -5,6 +5,7 @@ import java.nio.LongBuffer;
 public class BitLongArray extends AbstractBitBufferArray {
 
 	private final LongBuffer longBuffer;
+	private int countElements;
 
 	public BitLongArray(int bitPerEntity, int arraySize, boolean direct) {
 		super(bitPerEntity, arraySize, direct);
@@ -60,8 +61,17 @@ public class BitLongArray extends AbstractBitBufferArray {
 		}
 	}
 
+	@Override
+	public int size() {
+		return countElements;
+	}
+
 	@Override
 	protected int calculateCapacity() {
-		return (arraySize * bitPerEntity / Long.SIZE + 1) * Long.BYTES;
+		int bits = arraySize * bitPerEntity;
+		int var1 = bits % Long.SIZE;
+		int var2 = (bits + (var1 > 0 ? Long.SIZE - var1 : 0));
+		this.countElements = var2 / Long.SIZE;
+		return var2 / Byte.SIZE;
 	}
 }

utils/src/test/java/mc/utils/array/BitByteArrayTest.java

@@ -17,12 +17,21 @@ class BitByteArrayTest {
 		assertEquals(1, byteBuffer.limit());
 		assertEquals(0, byteBuffer.position());
 		assertEquals(1, byteBuffer.array().length);
+		assertEquals(1, bitArray.size());
 
 		bitArray = new BitByteArray(4, 2);
 		byteBuffer = bitArray.byteBuffer();
 
+		assertEquals(1, byteBuffer.capacity());
+		assertEquals(1, byteBuffer.limit());
+		assertEquals(1, bitArray.size());
+
+		bitArray = new BitByteArray(4, 3);
+		byteBuffer = bitArray.byteBuffer();
+
 		assertEquals(2, byteBuffer.capacity());
 		assertEquals(2, byteBuffer.limit());
+		assertEquals(2, bitArray.size());
 	}
 
 	@Test

utils/src/test/java/mc/utils/array/BitLongArrayTest.java

@@ -18,12 +18,14 @@ class BitLongArrayTest {
 		assertEquals(8, byteBuffer.limit());
 		assertEquals(0, byteBuffer.position());
 		assertEquals(8, byteBuffer.array().length);
+		assertEquals(1, bitArray.size());
 
 		bitArray = new BitLongArray(13, 5);
 		byteBuffer = bitArray.byteBuffer();
 
 		assertEquals(16, byteBuffer.capacity());
 		assertEquals(16, byteBuffer.limit());
+		assertEquals(2, bitArray.size());
 	}
 
 	@Test