Title

core/src/main/java/mc/core/network/BroadcastNetChannel.java

@@ -8,6 +8,7 @@ import lombok.RequiredArgsConstructor;
 import mc.core.chat.MessageType;
 import mc.core.player.Player;
 import mc.core.text.Text;
+import mc.core.text.Title;
 
 import java.util.stream.Stream;
 
@@ -30,6 +31,11 @@ public class BroadcastNetChannel implements NetChannel {
         playerStream.forEach(player -> player.getChannel().sendChatMessage(text, type));
     }
 
+    @Override
+    public void sendTitle(final Title title) {
+        playerStream.forEach(player -> player.getChannel().sendTitle(title));
+    }
+
     @Override
     public void writeAndFlush(final SCPacket pkt) {
         playerStream.forEach(player -> player.getChannel().writeAndFlush(pkt));

core/src/main/java/mc/core/network/NetChannel.java

@@ -6,6 +6,7 @@ package mc.core.network;
 
 import mc.core.chat.MessageType;
 import mc.core.text.Text;
+import mc.core.text.Title;
 
 public interface NetChannel {
     void sendKeepAlive();
@@ -14,6 +15,7 @@ public interface NetChannel {
         sendChatMessage(text, MessageType.CHAT_MESSAGE);
     }
     void sendChatMessage(Text text, MessageType type);
+    void sendTitle(Title title);
 
     void writeAndFlush(SCPacket pkt);
     void write(SCPacket pkt);

core/src/main/java/mc/core/text/Title.java

@@ -0,0 +1,34 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-24
+ */
+package mc.core.text;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+public class Title {
+    private Text title = null;
+    private Text subtitle = null;
+    private Text textActionBar = null;
+    private Integer fadeInTime = null;
+    private Integer stayTime = null;
+    private Integer fadeOutTime = null;
+    private Boolean hide = null;
+    private Boolean reset = null;
+
+    public void clear() {
+        this.title = null;
+        this.subtitle = null;
+        this.textActionBar = null;
+        this.fadeInTime = null;
+        this.stayTime = null;
+        this.fadeOutTime = null;
+        this.hide = null;
+        this.reset = null;
+    }
+}

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java

@@ -62,6 +62,7 @@ public enum State {
                     .put(JoinGamePacket.class, 0x23)
                     .put(SpawnPositionPacket.class, 0x46)
                     .put(TimeUpdatePacket.class, 0x47)
+                    .put(TitlePacket.class, 0x48)
                     .put(PlayerAbilitiesPacket.class, 0x2C)
                     .put(PlayerPositionAndLookPacket.class, 0x2F)
                     .build()

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

@@ -0,0 +1,109 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-24
+ */
+package mc.core.network.proto_1_12_2.packets;
+
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.NetStream;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_1_12_2.serializers.TextSerializer;
+import mc.core.text.Text;
+
+@RequiredArgsConstructor
+@Setter
+@ToString
+public class TitlePacket implements SCPacket {
+    private static final int TICKS_PER_SEC = 20,
+                             MIN_MS = (1000 / TICKS_PER_SEC);
+    public static final int SET_TITLE = 0,
+                            SET_SUBTITLE = 1,
+                            SET_ACTION_BAR = 2,
+                            SET_DISPLAY_TIME = 3,
+                            HIDE = 4,
+                            RESET = 5;
+
+    private final int action;
+    private Text text = null;
+    private Integer fadeInTime = null;
+    private Integer stayTime = null;
+    private Integer fadeOutTime = null;
+
+    public TitlePacket(int action, Object... values) {
+        if (values.length == 0 && (action != HIDE && action != RESET)) {
+            this.action = HIDE;
+            return;
+        }
+
+        this.action = action;
+
+        switch (this.action) {
+            case SET_TITLE:
+            case SET_SUBTITLE:
+            case SET_ACTION_BAR:
+                if (values[0] == null) {
+                    this.text = Text.of();
+                } else if (values[0] instanceof Text) {
+                    this.text = (Text) values[0];
+                } else {
+                    this.text = Text.of(values[0].toString());
+                }
+                break;
+            case SET_DISPLAY_TIME:
+                if (values.length < 3) {
+                    this.fadeInTime = 0;
+                    this.stayTime = 0;
+                    this.fadeOutTime = 0;
+                } else {
+                    if (values[0] instanceof Integer) {
+                        if (((Integer) values[0]) < MIN_MS) {
+                            this.fadeInTime = 1;
+                        } else {
+                            this.fadeInTime = ((Integer) values[0]) / MIN_MS;
+                        }
+                    } else {
+                        this.fadeInTime = 0;
+                    }
+
+                    if (values[1] instanceof Integer) {
+                        if (((Integer) values[1]) < MIN_MS) {
+                            this.stayTime = 1;
+                        } else {
+                            this.stayTime = ((Integer) values[1]) / MIN_MS;
+                        }
+                    } else {
+                        this.stayTime = 0;
+                    }
+
+                    if (values[2] instanceof Integer) {
+                        if (((Integer) values[2]) < MIN_MS) {
+                            this.fadeOutTime = 1;
+                        } else {
+                            this.fadeOutTime = ((Integer) values[2]) / MIN_MS;
+                        }
+                    } else {
+                        this.fadeOutTime = 0;
+                    }
+                }
+        }
+    }
+
+    @Override
+    public void writeSelf(NetStream netStream) {
+        netStream.writeVarInt(this.action);
+
+        switch (this.action) {
+            case SET_TITLE:
+            case SET_SUBTITLE:
+            case SET_ACTION_BAR:
+                netStream.writeString(TextSerializer.serialize(this.text).toString());
+                break;
+            case SET_DISPLAY_TIME:
+                netStream.writeInt(this.fadeInTime);
+                netStream.writeInt(this.stayTime);
+                netStream.writeInt(this.fadeOutTime);
+        }
+    }
+}

proto_1.12.2_netty/src/main/java/mc/core/network/proto_1_12_2/netty/wrappers/WrapperNetChannel.java

@@ -12,7 +12,9 @@ import mc.core.network.SCPacket;
 import mc.core.network.proto_1_12_2.packets.ChatMessageServerPacket;
 import mc.core.network.proto_1_12_2.packets.KeepAlivePacket;
 import mc.core.network.proto_1_12_2.packets.TimeUpdatePacket;
+import mc.core.network.proto_1_12_2.packets.TitlePacket;
 import mc.core.text.Text;
+import mc.core.text.Title;
 
 import java.util.Random;
 
@@ -36,6 +38,33 @@ public class WrapperNetChannel implements NetChannel {
         writeAndFlush(new ChatMessageServerPacket(text, type));
     }
 
+    @Override
+    public void sendTitle(Title title) {
+        Text text = title.getTitle();
+        if (text != null) write(new TitlePacket(TitlePacket.SET_TITLE, text));
+
+        text = title.getSubtitle();
+        if (text != null) write(new TitlePacket(TitlePacket.SET_SUBTITLE, text));
+
+        text = title.getTextActionBar();
+        if (text != null) write(new TitlePacket(TitlePacket.SET_ACTION_BAR, text));
+
+        Integer fadeIn = title.getFadeInTime();
+        Integer stay = title.getStayTime();
+        Integer fadeOut = title.getFadeOutTime();
+        if (fadeIn != null && stay != null && fadeOut != null) {
+            write(new TitlePacket(TitlePacket.SET_DISPLAY_TIME, fadeIn, stay, fadeOut));
+        }
+
+        Boolean bool = title.getHide();
+        if (bool != null && bool) write(new TitlePacket(TitlePacket.HIDE));
+
+        bool = title.getReset();
+        if (bool != null && bool) write(new TitlePacket(TitlePacket.RESET));
+
+        flush();
+    }
+
     @Override
     public void writeAndFlush(SCPacket pkt) {
         channel.writeAndFlush(pkt);