entity use packet (interaction, attack)

src/main/java/de/bixilon/minosoft/protocol/packets/serverbound/play/PacketUseEntity.java

@@ -0,0 +1,71 @@
+/*
+ * Codename Minosoft
+ * Copyright (C) 2020 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.protocol.packets.serverbound.play;
+
+import de.bixilon.minosoft.game.datatypes.entities.Entity;
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.protocol.packets.ServerboundPacket;
+import de.bixilon.minosoft.protocol.protocol.OutPacketBuffer;
+import de.bixilon.minosoft.protocol.protocol.Packets;
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+
+public class PacketUseEntity implements ServerboundPacket {
+    final int entityId;
+    final Click click;
+
+    public PacketUseEntity(Entity entity, Click click) {
+        this.entityId = entity.getId();
+        this.click = click;
+        log();
+    }
+
+    public PacketUseEntity(int entityId, Click click) {
+        this.entityId = entityId;
+        this.click = click;
+        log();
+    }
+
+
+    @Override
+    public OutPacketBuffer write(ProtocolVersion v) {
+        OutPacketBuffer buffer = new OutPacketBuffer(v.getPacketCommand(Packets.Serverbound.PLAY_INTERACT_ENTITY));
+        switch (v) {
+            case VERSION_1_7_10:
+                buffer.writeInteger(entityId);
+                buffer.writeByte((byte) click.getId());
+                break;
+        }
+        return buffer;
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Interacting with entity (entityId=%d, click=%s)", entityId, click.name()));
+    }
+
+    public enum Click {
+        RIGHT(0),
+        LEFT(1);
+
+        final int id;
+
+        Click(int id) {
+            this.id = id;
+        }
+
+        public int getId() {
+            return id;
+        }
+    }
+}