[WIP] try RxJava

build.gradle

@@ -1,15 +1,36 @@
-apply plugin: 'java'
+subprojects {
+    apply plugin: 'java'
 
-project.group = projectGroup
-project.version = projectVersion
+    project.group = projectGroup
+    project.version = projectVersion
 
-compileJava {
-    sourceCompatibility = 1.8
-    targetCompatibility = 1.8
-    options.encoding = 'UTF-8'
-}
-
-repositories {
-    mavenLocal()
-    mavenCentral()
+    compileJava {
+        sourceCompatibility = 1.8
+        targetCompatibility = 1.8
+        options.encoding = 'UTF-8'
+    }
+
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+
+    ext {
+        slf4j_version = '1.7.30'
+
+        library = [
+                lombok: 'org.projectlombok:lombok:1.18.2',
+                slf4j: ["org.slf4j:slf4j-api:$slf4j_version",
+                        "org.slf4j:jcl-over-slf4j:$slf4j_version"],
+        ]
+    }
+
+    dependencies {
+        /* LOGGER */
+        implementation library.slf4j
+
+        /* LOMBOK */
+        annotationProcessor library.lombok
+        compileOnly library.lombok
+    }
 }

server-api/build.gradle

@@ -0,0 +1,18 @@
+ext {
+    netty_version = '4.1.22.Final';
+
+    library = [
+            rxjava: ['io.reactivex.rxjava3:rxjava:3.0.3'],
+            netty: [
+                    "io.netty:netty-transport:$netty_version"
+            ]
+    ]
+}
+
+dependencies {
+    /* COMPONENTS */
+    compile project(':protocol')
+    compile library.rxjava
+
+    implementation library.netty
+}

server-api/src/main/java/mc/server/network/Server.java

@@ -0,0 +1,6 @@
+package mc.server.network;
+
+public interface Server {
+
+    void start(String host, int port);
+}

server-api/src/main/java/mc/server/reactive/NetworkContainer.java

@@ -0,0 +1,12 @@
+package mc.server.reactive;
+
+import io.netty.channel.Channel;
+import lombok.Data;
+import mc.protocol.Packet;
+
+@Data
+public class NetworkContainer<T extends Packet> {
+
+    private final Channel channel;
+    private final T packet;
+}

server-api/src/main/java/mc/server/reactive/RxProvider.java

@@ -0,0 +1,28 @@
+package mc.server.reactive;
+
+import io.reactivex.rxjava3.core.Observable;
+import io.reactivex.rxjava3.core.Observer;
+import io.reactivex.rxjava3.subjects.PublishSubject;
+import io.reactivex.rxjava3.subjects.Subject;
+import mc.protocol.Packet;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@SuppressWarnings({ "rawtypes", "unchecked" })
+public class RxProvider {
+
+    private final Map<Class, Subject> subjectMap = new HashMap<>();
+
+    public <T extends Packet> Observable<NetworkContainer<T>> getPacketObservable(Class<T> packetType) {
+        return giveSubject(packetType);
+    }
+
+    public Observer<NetworkContainer<? extends Packet>> getPacketObserver(Class<? extends Packet> packetType) {
+        return giveSubject(packetType);
+    }
+
+    private Subject giveSubject(Class<? extends Packet> packetType) {
+        return subjectMap.computeIfAbsent(packetType, key -> PublishSubject.create());
+    }
+}

server/build.gradle

@@ -0,0 +1,22 @@
+ext {
+    logback_version = '1.2.3'
+
+    library = [
+            guice: ['com.google.inject:guice:4.1.0'],
+            logger: ["ch.qos.logback:logback-core:$logback_version",
+                     "ch.qos.logback:logback-classic:$logback_version"],
+            netty: ['io.netty:netty-all:4.1.22.Final'],
+            commons: ['commons-io:commons-io:2.6']
+    ]
+}
+
+dependencies {
+    /* LOGGER */
+    implementation library.logger
+
+    /* COMPONENTS */
+    implementation project(':server-api')
+    implementation library.guice
+    implementation library.netty
+    implementation library.commons
+}

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

@@ -0,0 +1,16 @@
+package mc.server;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import mc.server.network.Server;
+import mc.server.network.config.NetworkModule;
+
+public class Main {
+
+    public static void main(String[] args) {
+        final Injector injector = Guice.createInjector(new NetworkModule());
+
+        final Server server = injector.getInstance(Server.class);
+        server.start("127.0.0.1", 25565);
+    }
+}

server/src/main/java/mc/server/logic/HandshakeLogic.java

@@ -0,0 +1,39 @@
+package mc.server.logic;
+
+import com.google.inject.Inject;
+import io.netty.channel.Channel;
+import io.reactivex.rxjava3.core.Scheduler;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import mc.protocol.handshake.client.HandshakePacket;
+import mc.server.network.impl.NettyConstants;
+import mc.server.reactive.RxProvider;
+
+@Slf4j
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
+public class HandshakeLogic {
+
+    private final RxProvider rxProvider;
+
+    public void setup() {
+        log.info("HandshakeLogic setup");
+        rxProvider.getPacketObservable(HandshakePacket.class)
+                .observeOn(Schedulers.computation())
+                .doOnNext(container -> handle(container.getChannel(), container.getPacket()))
+                .subscribe();
+    }
+
+    private void handle(Channel channel, HandshakePacket packet) {
+        log.error("THREAD: {}|{}", Thread.currentThread().getId(), Thread.currentThread().getName());
+
+        log.info("HandshakePacket handle");
+        channel.attr(NettyConstants.ATTR_STATE).set(packet.getNextState());
+
+//        try {
+//            Thread.sleep(20_000);
+//        } catch (InterruptedException e) {
+//            e.printStackTrace();
+//        }
+    }
+}

server/src/main/java/mc/server/logic/LoginLogic.java

@@ -0,0 +1,41 @@
+package mc.server.logic;
+
+import com.google.inject.Inject;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import mc.protocol.login.client.LoginStartPacket;
+import mc.protocol.login.server.DisconnectPacket;
+import mc.protocol.text.Text;
+import mc.protocol.text.TextColor;
+import mc.protocol.text.TextStyle;
+import mc.server.reactive.NetworkContainer;
+import mc.server.reactive.RxProvider;
+
+@Slf4j
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
+public class LoginLogic {
+
+    private final RxProvider rxProvider;
+
+    public void setup() {
+        log.info("LoginLogic setup");
+        rxProvider.getPacketObservable(LoginStartPacket.class)
+                .observeOn(Schedulers.computation())
+                .map(NetworkContainer::getChannel)
+                .doOnNext(channel -> {
+                    log.error("THREAD: {}|{}", Thread.currentThread().getId(), Thread.currentThread().getName());
+                    log.info("LoginLogic handle");
+
+                    DisconnectPacket disconnectPacket = new DisconnectPacket();
+                    disconnectPacket.setReason(Text.builder()
+                            .append(Text.of(TextColor.WHITE, "Server is "))
+                            .color(TextColor.RED).style(TextStyle.BOLD).append("NOT ")
+                            .color(TextColor.WHITE).append("available.")
+                            .build());
+
+                    channel.writeAndFlush(disconnectPacket).channel().disconnect();
+                })
+                .subscribe();
+    }
+}

server/src/main/java/mc/server/logic/StatusLogic.java

@@ -0,0 +1,75 @@
+package mc.server.logic;
+
+import com.google.inject.Inject;
+import io.netty.channel.Channel;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import mc.protocol.ProtocolConstant;
+import mc.protocol.dto.ServerInfo;
+import mc.protocol.status.PingPacket;
+import mc.protocol.status.client.StatusServerRequest;
+import mc.protocol.status.server.StatusServerResponse;
+import mc.protocol.text.Text;
+import mc.server.reactive.RxProvider;
+import org.apache.commons.io.IOUtils;
+
+import java.io.IOException;
+import java.util.Base64;
+import java.util.Collections;
+
+@Slf4j
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
+public class StatusLogic {
+
+    private static final String FAVICON_HEADER = "data:image/png;base64,";
+    private final RxProvider rxProvider;
+
+    public void setup() {
+        log.info("StatusLogic setup");
+        rxProvider.getPacketObservable(StatusServerRequest.class)
+                .observeOn(Schedulers.computation())
+                .doOnNext(container -> status(container.getChannel(), container.getPacket()))
+                .subscribe();
+
+        rxProvider.getPacketObservable(PingPacket.class)
+                .observeOn(Schedulers.computation())
+                .doOnNext(container -> {
+                    log.error("THREAD: {}|{}", Thread.currentThread().getId(), Thread.currentThread().getName());
+                    log.info("StatusLogic ping handle");
+                    container.getChannel().writeAndFlush(container.getPacket()).channel().disconnect();
+                })
+                .subscribe();
+    }
+
+    private void status(Channel channel, StatusServerRequest packet) throws IOException {
+        log.error("THREAD: {}|{}", Thread.currentThread().getId(), Thread.currentThread().getName());
+        log.info("StatusLogic handle");
+        log.info("{}", packet);
+
+        final ServerInfo.Version version = new ServerInfo.Version();
+        version.setName(ProtocolConstant.PROTOCOL_VERSION_VALUE);
+        version.setProtocol(ProtocolConstant.PROTOCOL_VERSION);
+
+        final ServerInfo.PlayersInfo playersInfo = new ServerInfo.PlayersInfo();
+        playersInfo.setMax(20);
+        playersInfo.setOnline(0);
+        playersInfo.setSamplePlayers(Collections.emptyList());
+
+        final ServerInfo serverInfo = new ServerInfo();
+        serverInfo.setVersion(version);
+        serverInfo.setDescription(Text.of("MC-SERVER 1.8.8"));
+        serverInfo.setFaviconBase64(getEmbeddedIconBase64());
+        serverInfo.setPlayersInfo(playersInfo);
+
+        StatusServerResponse response = new StatusServerResponse();
+        response.setServerInfoDto(serverInfo);
+
+        channel.writeAndFlush(response);
+    }
+
+    private String getEmbeddedIconBase64() throws IOException {
+        return FAVICON_HEADER + Base64.getEncoder()
+                .encodeToString(IOUtils.toByteArray(getClass().getResourceAsStream("/icon.png")));
+    }
+}

server/src/main/java/mc/server/network/config/NetworkModule.java

@@ -0,0 +1,67 @@
+package mc.server.network.config;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Provides;
+import com.google.inject.Singleton;
+import com.google.inject.name.Named;
+import com.google.inject.name.Names;
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+import io.netty.handler.logging.LoggingHandler;
+import mc.protocol.PacketDirection;
+import mc.protocol.io.coder.ProtocolDecoder;
+import mc.protocol.io.coder.ProtocolEncoder;
+import mc.protocol.io.coder.ProtocolSplitter;
+import mc.server.network.Server;
+import mc.server.network.impl.ChannelInitializer;
+import mc.server.network.impl.NettyServer;
+import mc.server.network.impl.codec.PacketDecoder;
+import mc.server.network.impl.codec.PacketEncoder;
+import mc.server.network.impl.codec.PacketSplitter;
+import mc.server.network.impl.handler.CommonPacketHandler;
+import mc.server.reactive.RxProvider;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class NetworkModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        bind(Server.class).to(NettyServer.class).in(Singleton.class);
+        bind(EventLoopGroup.class).annotatedWith(Names.named("bossGroup")).toInstance(new NioEventLoopGroup(1));
+        bind(EventLoopGroup.class).annotatedWith(Names.named("workerGroup")).toInstance(new NioEventLoopGroup());
+        bind(RxProvider.class).toInstance(new RxProvider());
+    }
+
+    @Provides
+    @Singleton
+    ServerBootstrap serverBootstrap(@Named("bossGroup") EventLoopGroup bossGroup,
+                                    @Named("workerGroup") EventLoopGroup workerGroup,
+                                    ChannelInitializer channelChannelInitializer) {
+        ServerBootstrap bootstrap = new ServerBootstrap();
+
+        bootstrap.group(bossGroup, workerGroup)
+                .channel(NioServerSocketChannel.class)
+                .childHandler(channelChannelInitializer);
+
+        return bootstrap;
+    }
+
+    @Provides
+    @Named("channelHandlerMap")
+    Map<String, ChannelHandler> channelHandlerMap(CommonPacketHandler commonPacketHandler) {
+        final Map<String, ChannelHandler> map = new LinkedHashMap<>();
+
+        map.put("logger", new LoggingHandler());
+        map.put("packet_splitter", new PacketSplitter(new ProtocolSplitter()));
+        map.put("packet_decoder", new PacketDecoder(new ProtocolDecoder(PacketDirection.SERVER_BOUND)));
+        map.put("packet_encoder", new PacketEncoder(new ProtocolEncoder(PacketDirection.CLIENT_BOUND)));
+        map.put("common_handler", commonPacketHandler);
+
+        return map;
+    }
+}

server/src/main/java/mc/server/network/impl/ChannelInitializer.java

@@ -0,0 +1,29 @@
+package mc.server.network.impl;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+import com.google.inject.name.Named;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.socket.SocketChannel;
+
+import java.util.Map;
+
+@Singleton
+public class ChannelInitializer extends io.netty.channel.ChannelInitializer<SocketChannel> {
+
+    private final Provider<Map<String, ChannelHandler>> channelHandlerMapProvider;
+
+    @Inject
+    public ChannelInitializer(
+            @Named("channelHandlerMap") Provider<Map<String, ChannelHandler>> channelHandlerMapProvider) {
+        this.channelHandlerMapProvider = channelHandlerMapProvider;
+    }
+
+    @Override
+    protected void initChannel(SocketChannel socketChannel) {
+        final ChannelPipeline pipeline = socketChannel.pipeline();
+        channelHandlerMapProvider.get().forEach(pipeline::addLast);
+    }
+}

server/src/main/java/mc/server/network/impl/NettyConstants.java

@@ -0,0 +1,12 @@
+package mc.server.network.impl;
+
+import io.netty.util.AttributeKey;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import mc.protocol.State;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class NettyConstants {
+
+    public static final AttributeKey<State> ATTR_STATE = AttributeKey.newInstance("ATTR_STATE");
+}

server/src/main/java/mc/server/network/impl/NettyServer.java

@@ -0,0 +1,39 @@
+package mc.server.network.impl;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import io.netty.bootstrap.ServerBootstrap;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import mc.server.logic.HandshakeLogic;
+import mc.server.logic.LoginLogic;
+import mc.server.logic.StatusLogic;
+import mc.server.network.Server;
+
+@Slf4j
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
+public class NettyServer implements Server {
+
+    private final Provider<ServerBootstrap> serverBootstrapProvider;
+    private final HandshakeLogic handshakeLogic;
+    private final StatusLogic statusLogic;
+    private final LoginLogic loginLogic;
+
+    @Override
+    public void start(String host, int port) {
+        handshakeLogic.setup();
+        statusLogic.setup();
+        loginLogic.setup();
+
+        try {
+            log.info("Network starting: {}:{}", host, port);
+            serverBootstrapProvider.get()
+                    .bind(host, port)
+                    .sync().channel().closeFuture().sync();
+        } catch (InterruptedException e) {
+            if (log.isTraceEnabled()) {
+                log.trace("{}: {}", e.getClass().getSimpleName(), e.getMessage(), e);
+            }
+        }
+    }
+}

server/src/main/java/mc/server/network/impl/codec/PacketDecoder.java

@@ -0,0 +1,43 @@
+package mc.server.network.impl.codec;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ByteToMessageDecoder;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.Packet;
+import mc.protocol.State;
+import mc.protocol.io.coder.ProtocolDecoder;
+import mc.server.network.impl.io.ByteBufNetInputStream;
+
+import java.util.List;
+import java.util.Objects;
+
+import static mc.server.network.impl.NettyConstants.ATTR_STATE;
+
+@RequiredArgsConstructor
+public class PacketDecoder extends ByteToMessageDecoder {
+
+    private final ProtocolDecoder protocolDecoder;
+
+    @Override
+    public void channelActive(ChannelHandlerContext ctx) throws Exception {
+        ctx.channel().attr(ATTR_STATE).set(State.HANDSHAKING);
+        super.channelActive(ctx);
+    }
+
+    @Override
+    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
+        ctx.channel().attr(ATTR_STATE).set(null);
+        super.channelInactive(ctx);
+    }
+
+    @Override
+    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
+        final State state = Objects.requireNonNull(ctx.channel().attr(ATTR_STATE).get());
+
+        final Packet packet = protocolDecoder.decode(state, new ByteBufNetInputStream(in));
+        if (packet != null) {
+            out.add(packet);
+        }
+    }
+}

server/src/main/java/mc/server/network/impl/codec/PacketEncoder.java

@@ -0,0 +1,24 @@
+package mc.server.network.impl.codec;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.Packet;
+import mc.protocol.State;
+import mc.protocol.io.coder.ProtocolEncoder;
+import mc.server.network.impl.io.ByteBufNetOutputStream;
+
+import static mc.server.network.impl.NettyConstants.ATTR_STATE;
+
+@RequiredArgsConstructor
+public class PacketEncoder extends MessageToByteEncoder<Packet> {
+
+    private final ProtocolEncoder protocolEncoder;
+
+    @Override
+    protected void encode(ChannelHandlerContext ctx, Packet packet, ByteBuf out) {
+        final State state = ctx.channel().attr(ATTR_STATE).get();
+        protocolEncoder.encode(state, packet, new ByteBufNetOutputStream(out));
+    }
+}

server/src/main/java/mc/server/network/impl/codec/PacketSplitter.java

@@ -0,0 +1,29 @@
+package mc.server.network.impl.codec;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ByteToMessageDecoder;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.io.NetInputStream;
+import mc.protocol.io.coder.ProtocolSplitter;
+import mc.server.network.impl.io.ByteBufNetInputStream;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+public class PacketSplitter extends ByteToMessageDecoder {
+
+    private final ProtocolSplitter protocolSplitter;
+
+    @Override
+    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
+        final NetInputStream netInputStream = protocolSplitter.split(new ByteBufNetInputStream(in));
+
+        if (netInputStream != null) {
+            byte[] buff = new byte[netInputStream.readableBytes()];
+            netInputStream.readBytes(buff);
+            out.add(Unpooled.wrappedBuffer(buff));
+        }
+    }
+}

server/src/main/java/mc/server/network/impl/handler/CommonPacketHandler.java

@@ -0,0 +1,21 @@
+package mc.server.network.impl.handler;
+
+import com.google.inject.Inject;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.Packet;
+import mc.server.reactive.NetworkContainer;
+import mc.server.reactive.RxProvider;
+
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
+public class CommonPacketHandler extends SimpleChannelInboundHandler<Packet> {
+
+    private final RxProvider rxProvider;
+
+    @Override
+    protected void channelRead0(ChannelHandlerContext ctx, Packet packet) {
+        rxProvider.getPacketObserver(packet.getClass())
+                .onNext(new NetworkContainer<>(ctx.channel(), packet));
+    }
+}

server/src/main/java/mc/server/network/impl/io/ByteBufNetInputStream.java

@@ -0,0 +1,61 @@
+package mc.server.network.impl.io;
+
+import io.netty.buffer.ByteBuf;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.io.NetInputStream;
+
+@RequiredArgsConstructor
+public class ByteBufNetInputStream extends NetInputStream {
+
+    private final ByteBuf byteBuf;
+
+    @Override
+    public void markReadIndex() {
+        byteBuf.markReaderIndex();
+    }
+
+    @Override
+    public void resetReadIndex() {
+        byteBuf.resetReaderIndex();
+    }
+
+    @Override
+    public int readableBytes() {
+        return byteBuf.readableBytes();
+    }
+
+    @Override
+    public byte readByte() {
+        return byteBuf.readByte();
+    }
+
+    @Override
+    public int readBytes(byte[] buffer, int offset, int lengtn) {
+        return byteBuf.readBytes(buffer, offset, lengtn).readableBytes();
+    }
+
+    @Override
+    public int readShort() {
+        return byteBuf.readShort();
+    }
+
+    @Override
+    public int readInt() {
+        return byteBuf.readInt();
+    }
+
+    @Override
+    public long readLong() {
+        return byteBuf.readLong();
+    }
+
+    @Override
+    public float readFloat() {
+        return byteBuf.readFloat();
+    }
+
+    @Override
+    public double readDouble() {
+        return byteBuf.readDouble();
+    }
+}

server/src/main/java/mc/server/network/impl/io/ByteBufNetOutputStream.java

@@ -0,0 +1,47 @@
+package mc.server.network.impl.io;
+
+import io.netty.buffer.ByteBuf;
+import lombok.RequiredArgsConstructor;
+import mc.protocol.io.NetOutputStream;
+
+@RequiredArgsConstructor
+public class ByteBufNetOutputStream extends NetOutputStream {
+
+    private final ByteBuf byteBuf;
+
+    @Override
+    public void writeByte(int value) {
+        byteBuf.writeByte(value);
+    }
+
+    @Override
+    public void writeBytes(byte[] buffer, int offset, int lengtn) {
+        byteBuf.writeBytes(buffer, offset, lengtn);
+    }
+
+    @Override
+    public void writeShort(int value) {
+        byteBuf.writeShort(value);
+    }
+
+    @Override
+    public void writeInt(int value) {
+        byteBuf.writeInt(value);
+    }
+
+    @Override
+    public void writeLong(long value) {
+        byteBuf.writeLong(value);
+    }
+
+    @Override
+    public void writeFloat(float value) {
+        byteBuf.writeFloat(value);
+    }
+
+    @Override
+    public void writeDouble(double value) {
+        byteBuf.writeDouble(value);
+    }
+}
+

settings.gradle

@@ -1 +1,7 @@
-rootProject.name = projectName
+rootProject.name = projectName
+
+include ':protocol'
+project(':protocol').projectDir = new File(settingsDir, '../mc-protocol')
+
+include ':server-api'
+include ':server'

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

@@ -1,8 +0,0 @@
-package mc.server;
-
-public class Main {
-
-    public static void main(String[] args) {
-        System.out.println("hello?");
-    }
-}