PlayerBlockPlacementPacket

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

@@ -65,7 +65,8 @@ public enum State {
 					Map.entry(0x13, CPlayerAbilitiesPacket.class),
 					Map.entry(0x14, PlayerDiggingAndMorePacket.class),
 					Map.entry(0x15, EntityActionPacket.class),
-					Map.entry(0x1D, HandAnimationPacket.class)
+					Map.entry(0x1D, HandAnimationPacket.class),
+					Map.entry(0x1F, PlayerBlockPlacementPacket.class)
 			),
 			// server side
 			Map.of(

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

@@ -0,0 +1,78 @@
+package mc.protocol.packets.play.client;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import mc.protocol.buffer.NetByteBuf;
+import mc.protocol.model.BlockLocation;
+import mc.protocol.packets.ClientSidePacket;
+import mc.protocol.utils.Face;
+import mc.protocol.utils.Hand;
+import mc.protocol.utils.SerializeUtil;
+import mc.utils.vector.Vector3f;
+
+/**
+ * Игрок размещает блок.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD             | TYPE     | NOTES                                                                     |
+ * |-------------------|----------|---------------------------------------------------------------------------|
+ * | Location          | Position | Позиция блока                                                             |
+ * | Face              | VarInt   | Сторона блока, к которому ставится новый блок                             |
+ * | Hand              | VarInt   | Используемая рука                                                         |
+ * |                   |          | - 0: основная рука                                                        |
+ * |                   |          | - 1: левая рука                                                           |
+ * | Cursor Position X | Float    | Положение перекрестия на блоке, от 0 до 1 с увеличением с West на East.   |
+ * | Cursor Position Y | Float    | Положение перекрестия на блоке, от 0 до 1 с увеличением с Bottom на Top.  |
+ * | Cursor Position Z | Float    | Положение перекрестия на блоке, от 0 до 1 с увеличением с North на South. |
+ * </pre>
+ *
+ * <p>Значения Стороны блока</p>
+ * <pre>
+ * | VALUE | OFFCET | FACE   |
+ * |-------|--------|--------|
+ * | 0     | -Y     | Bottom |
+ * | 1     | +Y     | Top    |
+ * | 2     | -Z     | North  |
+ * | 3     | +Z     | South  |
+ * | 4     | -X     | West   |
+ * | 5     | +X     | East   |
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player_Block_Placement">Player Block Placement</a>
+ */
+@NoArgsConstructor
+@Getter
+@EqualsAndHashCode
+@ToString
+public class PlayerBlockPlacementPacket implements ClientSidePacket {
+
+	private BlockLocation location;
+	private Face face;
+	private Hand hand;
+	private Vector3f cursorPosition;
+
+	@Override
+	public void readSelf(NetByteBuf netByteBuf) {
+		this.location = SerializeUtil.long2location(netByteBuf.readLong());
+		this.face = Face.valueById(netByteBuf.readVarInt());
+		this.hand = Hand.valueById(netByteBuf.readVarInt());
+
+		this.cursorPosition = new Vector3f();
+		this.cursorPosition.set(
+				netByteBuf.readFloat(),
+				netByteBuf.readFloat(),
+				netByteBuf.readFloat()
+		);
+	}
+
+	@Override
+	public void passivate() {
+		this.location = null;
+		this.face = null;
+		this.hand = null;
+		this.cursorPosition = null;
+	}
+}

utils/src/main/java/mc/utils/vector/Vector3f.java

@@ -0,0 +1,53 @@
+package mc.utils.vector;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+@Getter
+@EqualsAndHashCode
+@ToString
+public class Vector3f {
+
+	private float x;
+	private float y;
+	private float z;
+
+	public Vector3f(float x, float y, float z) {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+	}
+
+	public Vector3f(Vector3f vector3f) {
+		this(vector3f.getX(), vector3f.getY(), vector3f.getZ());
+	}
+
+	public Vector3f() {
+		this(0f, 0f, 0f);
+	}
+
+	public void set(float x, float y, float z) {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+	}
+
+	public void set(Vector3f vector3f) {
+		this.set(vector3f.getX(), vector3f.getY(), vector3f.getZ());
+	}
+
+	public void add(float x, float y, float z) {
+		this.x += x;
+		this.y += y;
+		this.z += z;
+	}
+
+	public void add(Vector3f vector3f) {
+		this.add(vector3f.getX(), vector3f.getY(), vector3f.getZ());
+	}
+
+	public Vector3f copy() {
+		return new Vector3f(this);
+	}
+}