import source

2018-07-14 13:20:45 +03:00
parent 84b9505daf
commit 741d41be2e
39 changed files with 1919 additions and 0 deletions
--- a/proto125/build.gradle
+++ b/proto125/build.gradle
@@ -0,0 +1,2 @@
+group 'mc'
+version '1.0-SNAPSHOT'
--- a/proto125/src/main/java/mc/core/network/proto_125/ByteArrayOutputNetStream.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/ByteArrayOutputNetStream.java
@@ -0,0 +1,119 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-08
+ */
+package mc.core.network.proto_125;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.ByteArrayOutputStream;
+
+@Slf4j
+public class ByteArrayOutputNetStream extends NetStream_p125 {
+    private ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+    @Override
+    public boolean readBoolean() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public byte readByte() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void readBytes(byte[] buffer) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public int readUnsignedByte() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public int readUnsignedShort() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public short readShort() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public int readInt() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public float readFloat() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public double readDouble() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void writeBoolean(boolean value) {
+        baos.write(value ? 1 : 0);
+    }
+
+    @Override
+    public void writeByte(int value) {
+        baos.write(value);
+    }
+
+    @Override
+    public void writeBytes(byte[] buffer) {
+        baos.write(buffer, 0, buffer.length);
+    }
+
+    @Override
+    public void writeShort(int value) {
+        baos.write((byte) value >>> 8);
+        baos.write((byte) value);
+    }
+
+    @Override
+    public void writeInt(int value) {
+        baos.write((byte)((int)(value >>> 24)));
+        baos.write((byte)((int)(value >>> 16)));
+        baos.write((byte)((int)(value >>> 8)));
+        baos.write((byte)((int)(value)));
+    }
+
+    @Override
+    public void writeLong(long value) {
+        baos.write((byte)((int)(value >>> 56)));
+        baos.write((byte)((int)(value >>> 48)));
+        baos.write((byte)((int)(value >>> 40)));
+        baos.write((byte)((int)(value >>> 32)));
+        baos.write((byte)((int)(value >>> 24)));
+        baos.write((byte)((int)(value >>> 16)));
+        baos.write((byte)((int)(value >>> 8)));
+        baos.write((byte)((int)(value)));
+    }
+
+    @Override
+    public void writeFloat(float value) {
+        writeInt(Float.floatToIntBits(value));
+    }
+
+    @Override
+    public void writeDouble(double value) {
+        writeLong(Double.doubleToLongBits(value));
+    }
+
+    @Override
+    public void skipBytes(int count) {
+        throw new UnsupportedOperationException();
+    }
+
+    public byte[] toByteArray() {
+        return baos.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/NetStream_p125.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/NetStream_p125.java
@@ -0,0 +1,60 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-13
+ */
+package mc.core.network.proto_125;
+
+import lombok.extern.slf4j.Slf4j;
+import mc.core.network.NetStream;
+
+import java.nio.charset.StandardCharsets;
+
+@Slf4j
+public abstract class NetStream_p125 extends NetStream {
+    @Override
+    public String readString() {
+        int size = readShort() * 2;
+        if (size == 0) {
+            log.warn("String zero length??");
+            return "";
+        }
+
+        byte[] bytes = new byte[size];
+        readBytes(bytes);
+        return new String(bytes, StandardCharsets.UTF_16BE);
+    }
+
+    @Override
+    public void writeString(String value) {
+        if (value.length() > Short.MAX_VALUE) {
+            log.warn("String \"{}\" too long!", value);
+            byte[] buf = value.substring(0, Short.MAX_VALUE).getBytes(StandardCharsets.UTF_16BE);
+            writeShort(Short.MAX_VALUE);
+            writeBytes(buf);
+        } else {
+            byte[] buf = value.getBytes(StandardCharsets.UTF_16BE);
+            writeShort(value.length());
+            writeBytes(buf);
+        }
+    }
+
+    @Override
+    public int readVarInt() {
+        return readInt();
+    }
+
+    @Override
+    public void writeVarInt(int value) {
+        writeInt(value);
+    }
+
+    @Override
+    public long readLong() {
+        return 0; //FIXME
+    }
+
+    @Override
+    public void writeUnsignedByte(int value) {
+        writeByte(value); //FIXME
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/AnimationPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/AnimationPacket.java
@@ -0,0 +1,43 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-22
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.*;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+@Getter
+@ToString
+public class AnimationPacket implements SCPacket, CSPacket {
+    public static final int NO_ANIMATION = 0,
+                            SWING_ARM = 1,
+                            DAMAGE = 2,
+                            LEAVE_BED = 3,
+                            EAT_FOOD = 5,
+                            CROUCH = 104,
+                            UNCROUCH = 105;
+
+    private int id;
+    private int animation;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        id = netStream.readInt();
+        animation = netStream.readByte();
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeInt(id);
+        netStream.writeByte(animation);
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/ChatMessagePacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/ChatMessagePacket.java
@@ -0,0 +1,32 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-30
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.*;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@ToString
+public class ChatMessagePacket implements SCPacket, CSPacket {
+    private String message;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        message = netStream.readString();
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeString(message);
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/ChunkAllocationPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/ChunkAllocationPacket.java
@@ -0,0 +1,28 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-20
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Setter
+@ToString
+public class ChunkAllocationPacket implements SCPacket {
+    private int x, z;
+    private boolean initChunk;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(x);
+        netStream.writeInt(z);
+        netStream.writeBoolean(initChunk);
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/ChunkDataPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/ChunkDataPacket.java
@@ -0,0 +1,133 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-20
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+import mc.core.world.Chunk;
+
+import java.nio.ByteBuffer;
+import java.util.zip.Deflater;
+
+@Setter
+@ToString
+public class ChunkDataPacket implements SCPacket {
+    private static final int blocktypeSize = 4096,
+                             metadataSize = 2048,
+                             blocklightSize = 2048,
+                             skylightSize = 2048,
+                             additionSize = 2048,
+                             biomeSize = 256;
+    private static final int dataSize = blocktypeSize+metadataSize+blocklightSize+skylightSize+additionSize+biomeSize;
+
+    private int x, z;
+    private boolean needInitChunk;
+    private int yMin,yMax;
+    private byte[] compressData;
+
+    public void setChunk(Chunk chunk) {
+        ByteBuffer chunkData = ByteBuffer.allocate(dataSize);
+
+        /*
+         * 0 - blocktype
+         * 1 - metadata
+         * 2 - blocklight
+         * 3 - skylight
+         * 4 - addition
+         * 5 - biome
+         */
+        int[] idx = new int[6];
+
+        for (int y = 0; y < 16; y++) {
+            for (int z = 0; z < 16; z++) {
+                for (int x = 0; x < 16; x++) {
+                    // Block type
+                    int offset = 0;
+                    chunkData.put((idx[0]++), (byte) chunk.getBlockType(x, y, z));
+
+                    // Block metadata
+                    offset = offset+blocktypeSize;
+                    if ((idx[1] % 2) > 0) {
+                        int i = (int) ((((idx[1]++) + 1) / 2d) - 1d);
+                        byte b = chunkData.get(offset+i);
+                        b = (byte)((chunk.getBlockMetadata(x, y, z) << 4) | b);
+                        chunkData.put(offset+i, b);
+                    } else {
+                        int i = (int) ((((idx[1]++) + 1) / 2d) - .5d);
+                        chunkData.put(offset+i, (byte) chunk.getBlockMetadata(x, y, z));
+                    }
+
+                    // Block light
+                    offset = offset+metadataSize;
+                    if ((idx[2] % 2) > 0) {
+                        int i = (int) ((((idx[2]++) + 1) / 2d) - 1d);
+                        byte b = chunkData.get(offset+i);
+                        b = (byte)((b << 4) | (byte)chunk.getBlockLight(x, y, z));
+                        chunkData.put(offset+i, b);
+                    } else {
+                        int i = (int) ((((idx[2]++) + 1) / 2d) - .5d);
+                        chunkData.put(offset+i, (byte) chunk.getBlockLight(x, y, z));
+                    }
+
+                    // Sky light
+                    offset = offset+blocklightSize;
+                    if ((idx[3] % 2) > 0) {
+                        int i = (int) ((((idx[3]++) + 1) / 2d) - 1d);
+                        byte b = chunkData.get(offset+i);
+                        b = (byte)((b << 4) | (byte)chunk.getSkyLight(x, y, z));
+                        chunkData.put(offset+i, b);
+                    } else {
+                        int i = (int) ((((idx[3]++) + 1) / 2d) - .5d);
+                        chunkData.put(offset+i, (byte) chunk.getSkyLight(x, y, z));
+                    }
+
+                    // Addition
+                    offset = offset+skylightSize;
+                    if ((idx[4] % 2) > 0) {
+                        int i = (int) ((((idx[4]++) + 1) / 2d) - 1d);
+                        byte b = chunkData.get(offset+i);
+                        b = (byte)((b << 4) | (byte)chunk.getAddition(x, y, z));
+                        chunkData.put(offset+i, b);
+                    } else {
+                        int i = (int) ((((idx[4]++) + 1) / 2d) - .5d);
+                        chunkData.put(offset+i, (byte) chunk.getAddition(x, y, z));
+                    }
+
+                    // Biome
+                    if (idx[5] == 256) continue;
+                    offset = offset+additionSize;
+                    chunkData.put(offset+(idx[5]++), (byte) chunk.getBiome(x, z));
+                }
+            }
+        }
+
+        Deflater zlib = new Deflater(Deflater.DEFAULT_COMPRESSION);
+        zlib.setInput(chunkData.array());
+        zlib.finish();
+        byte[] preCompileData = new byte[dataSize];
+        int compressSize = zlib.deflate(preCompileData);
+
+        compressData = new byte[compressSize];
+        System.arraycopy(preCompileData, 0, compressData, 0, compressSize);
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(x);
+        netStream.writeInt(z);
+        netStream.writeBoolean(needInitChunk);
+        netStream.writeShort(yMin);
+        netStream.writeShort(yMax);
+        netStream.writeInt(compressData.length);
+        netStream.writeInt(0);
+        netStream.writeBytes(compressData);
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/DestroyEntityPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/DestroyEntityPacket.java
@@ -0,0 +1,23 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-11
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@AllArgsConstructor
+@ToString
+public class DestroyEntityPacket implements SCPacket {
+    private final int id;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeInt(id);
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/EntityLookHeadPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/EntityLookHeadPacket.java
@@ -0,0 +1,31 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-12
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+@ToString
+public class EntityLookHeadPacket implements SCPacket {
+    private int id;
+    private double yaw;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(id);
+        netStream.writeByte((byte)(int)((yaw * 256f) / 360f));
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/EntityLookPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/EntityLookPacket.java
@@ -0,0 +1,33 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-12
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+import mc.core.player.Look;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+@ToString
+public class EntityLookPacket implements SCPacket {
+    private int id;
+    private Look look;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(id);
+        netStream.writeByte((byte)(int)((look.getYaw() * 256f) / 360f));
+        netStream.writeByte((byte)(int)((look.getPitch() * 256f) / 360f));
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/EntityLookRelativeMovePacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/EntityLookRelativeMovePacket.java
@@ -0,0 +1,38 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-12
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.Location;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+import mc.core.player.Look;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+@ToString
+public class EntityLookRelativeMovePacket implements SCPacket {
+    private int id;
+    private Location location;
+    private Look look;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(id);
+        netStream.writeByte((byte) (location.getX() * 32d));
+        netStream.writeByte((byte) (location.getY() * 32d));
+        netStream.writeByte((byte) (location.getZ() * 32d));
+        netStream.writeByte((byte)(int)((look.getYaw() * 256f) / 360f));
+        netStream.writeByte((byte)(int)((look.getPitch() * 256f) / 360f));
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/EntityRelativeMovePacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/EntityRelativeMovePacket.java
@@ -0,0 +1,34 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-11
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.Location;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+@ToString
+public class EntityRelativeMovePacket implements SCPacket {
+    private int id;
+    private Location location;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(id);
+        netStream.writeByte((byte) (location.getX() * 32d));
+        netStream.writeByte((byte) (location.getY() * 32d));
+        netStream.writeByte((byte) (location.getZ() * 32d));
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/EntityTeleportPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/EntityTeleportPacket.java
@@ -0,0 +1,38 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-11
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.Location;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+import mc.core.player.Look;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+@ToString
+public class EntityTeleportPacket implements SCPacket {
+    private int id;
+    private Location location;
+    private Look look;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(id);
+        netStream.writeInt((int) (location.getBlockX() * 32d));
+        netStream.writeInt((int) (location.getBlockY() * 32d));
+        netStream.writeInt((int) (location.getBlockZ() * 32d));
+        netStream.writeByte((byte)(int)((look.getYaw() * 256f) / 360f));
+        netStream.writeByte((byte)(int)((look.getPitch() * 256f) / 360f));
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/HandshakePacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/HandshakePacket.java
@@ -0,0 +1,42 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-10
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Getter
+@ToString
+public class HandshakePacket implements CSPacket, SCPacket {
+    private String playerName;
+    private String host;
+    private int port;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        String[] str = netStream.readString().split(";");
+
+        playerName = str[0];
+        if (str[1].contains(":")) {
+            str = str[1].split(":");
+            host = str[0];
+            port = Integer.parseInt(str[1]);
+        } else {
+            host = str[1];
+            port = 25565;
+        }
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeString("-");
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/KeepAlivePacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/KeepAlivePacket.java
@@ -0,0 +1,27 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-21
+ */
+package mc.core.network.proto_125.packets;
+
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+import java.util.Random;
+
+public class KeepAlivePacket implements SCPacket, CSPacket {
+    private static final Random rand = new Random();
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeInt(rand.nextInt(Integer.MAX_VALUE));
+        return netStream.toByteArray();
+    }
+
+    @Override
+    public void readSelf(NetStream netStream) {
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/KickPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/KickPacket.java
@@ -0,0 +1,44 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-10
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import lombok.extern.slf4j.Slf4j;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Slf4j
+@NoArgsConstructor
+@AllArgsConstructor
+@Setter
+@ToString
+public class KickPacket implements SCPacket, CSPacket {
+    private String reason;
+
+    public String getReason() {
+        return (reason == null ? "" : reason);
+    }
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        try {
+            reason = netStream.readString();
+        } catch (NegativeArraySizeException e) {
+            log.warn("Invalid packet");
+        }
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeString(reason);
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/LoginPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/LoginPacket.java
@@ -0,0 +1,57 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-10
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+import mc.core.player.PlayerMode;
+
+@ToString
+public class LoginPacket implements CSPacket, SCPacket {
+    @Getter
+    private int protocol;
+    @Getter
+    private String playerName;
+
+    @Setter
+    private int playerId;
+    @Setter
+    private String levelType;
+    @Setter
+    private PlayerMode defaultPlayerMode;
+    @Setter
+    private int dimension;
+    @Setter
+    private int difficulty;
+    @Setter
+    private int maxPlayers;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        protocol = netStream.readInt();
+        playerName = netStream.readString();
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(playerId);
+        netStream.writeString("");
+        netStream.writeString(levelType);
+        netStream.writeInt(defaultPlayerMode.getId());
+        netStream.writeInt(dimension);
+        netStream.writeByte(difficulty);
+        netStream.writeByte(0);
+        netStream.writeByte(maxPlayers);
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PacketManager.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PacketManager.java
@@ -0,0 +1,48 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-10
+ */
+package mc.core.network.proto_125.packets;
+
+import com.google.common.collect.BiMap;
+import com.google.common.collect.ImmutableBiMap;
+import mc.core.network.CSPacket;
+import mc.core.network.SCPacket;
+
+public class PacketManager {
+    private static final BiMap<Integer, Class<?>> packetMap = ImmutableBiMap.<Integer, Class<?>>builder()
+            .put(0x00, KeepAlivePacket.class)
+            .put(0x01, LoginPacket.class)
+            .put(0x02, HandshakePacket.class)
+            .put(0x03, ChatMessagePacket.class)
+            .put(0x04, TimeUpdatePacket.class)
+            .put(0x06, SpawnPositionPacket.class)
+            .put(0x07, UseEntityPacket.class)
+            .put(0x0B, PlayerPositionPacket.class)
+            .put(0x0C, PlayerLookPacket.class)
+            .put(0x0D, PositionAndLookPacket.class)
+            .put(0x12, AnimationPacket.class)
+            .put(0x14, SpawnNamedEntityPacket.class)
+            .put(0x1D, DestroyEntityPacket.class)
+            .put(0x1F, EntityRelativeMovePacket.class)
+            .put(0x20, EntityLookPacket.class)
+            .put(0x21, EntityLookRelativeMovePacket.class)
+            .put(0x22, EntityTeleportPacket.class)
+            .put(0x23, EntityLookHeadPacket.class)
+            .put(0x32, ChunkAllocationPacket.class)
+            .put(0x33, ChunkDataPacket.class)
+            .put(0xC9, PlayerInfoPacket.class)
+            .put(0xCA, PlayerAbilitiesPacket.class)
+            .put(0xFE, PingPacket.class)
+            .put(0xFF, KickPacket.class)
+            .build();
+
+    @SuppressWarnings("unchecked")
+    public static Class<? extends CSPacket> getClientSidePacket(int id) {
+        return (Class<? extends CSPacket>) packetMap.get(id);
+    }
+
+    public static Integer getServirSidePacket(Class<? extends SCPacket> clazz) {
+        return packetMap.inverse().get(clazz);
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PingPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PingPacket.java
@@ -0,0 +1,16 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-10
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+@ToString
+public class PingPacket implements CSPacket {
+    @Override
+    public void readSelf(NetStream netStream) {
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerAbilitiesPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerAbilitiesPacket.java
@@ -0,0 +1,43 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-19
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Getter
+@Setter
+@ToString
+public class PlayerAbilitiesPacket implements SCPacket, CSPacket {
+    private boolean godMode = false;
+    private boolean flying = false;
+    private boolean canFly = false;
+    private boolean instantDestroyBlocks = false;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeBoolean(godMode);
+        netStream.writeBoolean(flying);
+        netStream.writeBoolean(canFly);
+        netStream.writeBoolean(instantDestroyBlocks);
+
+        return netStream.toByteArray();
+    }
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        godMode = netStream.readBoolean();
+        flying = netStream.readBoolean();
+        canFly = netStream.readBoolean();
+        instantDestroyBlocks = netStream.readBoolean();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerInfoPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerInfoPacket.java
@@ -0,0 +1,29 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-19
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Setter
+@ToString
+public class PlayerInfoPacket implements SCPacket {
+    private String playerName;
+    private boolean online;
+    private int ping;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeString(playerName);
+        netStream.writeBoolean(online);
+        netStream.writeShort(ping);
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerLookPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerLookPacket.java
@@ -0,0 +1,24 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-22
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+@Getter
+@ToString
+public class PlayerLookPacket implements CSPacket {
+    private float yaw, pitch;
+    private boolean onGround;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        yaw = netStream.readFloat();
+        pitch = netStream.readFloat();
+        onGround = netStream.readBoolean();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerPositionPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PlayerPositionPacket.java
@@ -0,0 +1,27 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-22
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+@Getter
+@ToString
+public class PlayerPositionPacket implements CSPacket {
+    private double x, y, z;
+    private double stance;
+    private boolean onGround;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        this.x = netStream.readDouble();
+        this.y = netStream.readDouble();
+        this.stance = netStream.readDouble();
+        this.z = netStream.readDouble();
+        this.onGround = netStream.readBoolean();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/PositionAndLookPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/PositionAndLookPacket.java
@@ -0,0 +1,54 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-15
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.Location;
+import mc.core.player.Look;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Getter
+@Setter
+@ToString
+public class PositionAndLookPacket implements SCPacket, CSPacket {
+    private Location location;
+    private double stance;
+    private Look look;
+    private boolean onGround;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        double x = netStream.readDouble();
+        double y = netStream.readDouble();
+        stance = netStream.readDouble();
+        double z = netStream.readDouble();
+        float yaw = netStream.readFloat();
+        float pitch = netStream.readFloat();
+        onGround = netStream.readBoolean();
+
+        location = new Location(x, y, z);
+        look = new Look(yaw, pitch);
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeDouble(location.getX());
+        netStream.writeDouble(location.getY());
+        netStream.writeDouble(stance);
+        netStream.writeDouble(location.getZ());
+        netStream.writeFloat(look.getYaw());
+        netStream.writeFloat(look.getPitch());
+        netStream.writeBoolean(onGround);
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/SpawnNamedEntityPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/SpawnNamedEntityPacket.java
@@ -0,0 +1,40 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-30
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.Location;
+import mc.core.player.Look;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Getter
+@Setter
+@ToString
+public class SpawnNamedEntityPacket implements SCPacket {
+    private int id;
+    private String entityName;
+    private Location position;
+    private Look look;
+    private final int currentItem = 0;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt(id);
+        netStream.writeString(entityName);
+        netStream.writeInt((int) (position.getBlockX() * 32d));
+        netStream.writeInt((int) (position.getBlockY() * 32d));
+        netStream.writeInt((int) (position.getBlockZ() * 32d));
+        netStream.writeByte((byte)(int)((look.getYaw() * 256f) / 360f));
+        netStream.writeByte((byte)(int)((look.getPitch() * 256f) / 360f));
+        netStream.writeShort(currentItem);
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/SpawnPositionPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/SpawnPositionPacket.java
@@ -0,0 +1,28 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-19
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.Location;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Setter
+@ToString
+public class SpawnPositionPacket implements SCPacket {
+    private Location location;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeInt((int) location.getX());
+        netStream.writeInt((int) location.getY());
+        netStream.writeInt((int) location.getZ());
+
+        return netStream.toByteArray();
+    }
+}
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/TimeUpdatePacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/TimeUpdatePacket.java
@@ -0,0 +1,36 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-21
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Setter
+@ToString
+public class TimeUpdatePacket implements SCPacket, CSPacket {
+    private long time;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+        netStream.writeLong(time);
+        return netStream.toByteArray();
+    }
+
+    // нахрена вообще клиент шлет нам этот пакет???
+    @Override
+    public void readSelf(NetStream netStream) {
+        netStream.skipBytes(8);
+    }
+}
+
--- a/proto125/src/main/java/mc/core/network/proto_125/packets/UseEntityPacket.java
+++ b/proto125/src/main/java/mc/core/network/proto_125/packets/UseEntityPacket.java
@@ -0,0 +1,29 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-05-23
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@ToString
+public class UseEntityPacket implements CSPacket {
+    private int playerId;
+    private int targetId;
+    private boolean leftMouseButton;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        playerId = netStream.readInt();
+        targetId = netStream.readInt();
+        leftMouseButton = netStream.readBoolean();
+    }
+}