CPlayerAbilitiesPacket

protocol/src/main/java/mc/protocol/State.java

@@ -61,6 +61,7 @@ public enum State {
 					0x0D, PlayerPositionPacket.class,
 					0x0E, CPlayerPositionAndLookPacket.class,
 					0x0F, PlayerLookPacket.class,
+					0x13, CPlayerAbilitiesPacket.class,
 					0x15, EntityActionPacket.class
 			),
 			// server side
@@ -68,7 +69,7 @@ public enum State {
 					KeepAlivePacket.class, 0x1F,
 					ChunkDataPacket.class, 0x20,
 					JoinGamePacket.class, 0x23,
-					PlayerAbilitiesPacket.class,0x2C,
+					SPlayerAbilitiesPacket.class,0x2C,
 					SPlayerPositionAndLookPacket.class, 0x2F,
 					SpawnPositionPacket.class, 0x46
 			)

protocol/src/main/java/mc/protocol/packets/play/client/CPlayerAbilitiesPacket.java

@@ -0,0 +1,68 @@
+package mc.protocol.packets.play.client;
+
+import lombok.Data;
+import mc.protocol.buffer.NetByteBuf;
+import mc.protocol.packets.ClientSidePacket;
+import mc.protocol.packets.ServerSidePacket;
+
+/**
+ * Характеристики игрока.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD                        | TYPE     | NOTES                                   |
+ * |------------------------------|----------|-----------------------------------------|
+ * | Flags                        | Byte     | Битовая маска флагов. См. ниже значения |
+ * | Flying Speed                 | Float    | Скорость полёта                         |
+ * | Field of View (FOV) Modifier | Float    | Поле зрения                             |
+ * </pre>
+ *
+ * <p>Флаги "Flags"</p>
+ * <pre>
+ * Bit 0x01 - Неуязвимость (Invulnerable)
+ * Bit 0x02 - В полёте (Flying)
+ * Bit 0x04 - Может летать (Allow Flying)
+ * Bit 0x08 - Creative Mode (Instant Break)
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player_Abilities_(serverbound)">Player Abilities</a>
+ */
+@Data
+public class CPlayerAbilitiesPacket implements ClientSidePacket {
+
+	@SuppressWarnings("java:S116")
+	private byte $flags = 0;
+	private float flyingSpeed;
+	private float fieldOfView;
+
+	@Override
+	public void readSelf(NetByteBuf netByteBuf) {
+		this.$flags = netByteBuf.readByte();
+		this.flyingSpeed = netByteBuf.readFloat();
+		this.fieldOfView = netByteBuf.readFloat();
+	}
+
+	//FIXME использование value значений
+	public void setInvulnerable(boolean value) {
+		this.$flags = (byte) (this.$flags | 0x01);
+	}
+
+	public void setFlying(boolean value) {
+		this.$flags = (byte) (this.$flags | 0x02);
+	}
+
+	public void setCatFly(boolean value) {
+		this.$flags = (byte) (this.$flags | 0x04);
+	}
+
+	public void setCreativeMode(boolean value) {
+		this.$flags = (byte) (this.$flags | 0x08);
+	}
+
+	@Override
+	public void passivate() {
+		$flags = 0;
+		flyingSpeed = 0;
+		fieldOfView = 0;
+	}
+}

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

@@ -27,7 +27,7 @@ import mc.protocol.packets.ServerSidePacket;
  * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player_Abilities_.28clientbound.29">Player Abilities</a>
  */
 @Data
-public class PlayerAbilitiesPacket implements ServerSidePacket {
+public class SPlayerAbilitiesPacket implements ServerSidePacket {
 
 	@SuppressWarnings("java:S116")
 	private byte $flags = 0;

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

@@ -83,7 +83,7 @@ public class ScenarioLogin implements PacketScenario {
 	}
 
 	private void sendPlayerAbilities(Player player) {
-		var playerAbilitiesPacket = new PlayerAbilitiesPacket();
+		var playerAbilitiesPacket = new SPlayerAbilitiesPacket();
 		playerAbilitiesPacket.setCatFly(true);
 		playerAbilitiesPacket.setFlying(true);
 		playerAbilitiesPacket.setCreativeMode(true);