entities wip (6): head rotation

src/main/java/de/bixilon/minosoft/game/datatypes/entities/Mob.java

@@ -19,4 +19,8 @@ public interface Mob extends Entity {
     void setHealth(float health);
 
     int getMaxHealth();
+
+    int getHeadYaw();
+
+    void setHeadYaw(int headYaw);
 }

src/main/java/de/bixilon/minosoft/game/datatypes/entities/OtherPlayer.java

@@ -26,6 +26,7 @@ public class OtherPlayer implements Mob {
     Location location;
     int yaw;
     int pitch;
+    int headYaw;
     short currentItem;
     EntityMetaData metaData;
     float health;
@@ -184,4 +185,14 @@ public class OtherPlayer implements Mob {
         GLIDING,
         SWIMMING
     }
+
+    @Override
+    public int getHeadYaw() {
+        return headYaw;
+    }
+
+    @Override
+    public void setHeadYaw(int headYaw) {
+        this.headYaw = headYaw;
+    }
 }

src/main/java/de/bixilon/minosoft/game/datatypes/entities/Zombie.java

@@ -20,6 +20,7 @@ public class Zombie implements Mob {
     Velocity velocity;
     int yaw;
     int pitch;
+    int headYaw;
     EntityMetaData metaData;
     float health;
 
@@ -124,4 +125,14 @@ public class Zombie implements Mob {
     public int getMaxHealth() {
         return 40;
     }
+
+    @Override
+    public int getHeadYaw() {
+        return headYaw;
+    }
+
+    @Override
+    public void setHeadYaw(int headYaw) {
+        this.headYaw = headYaw;
+    }
 }

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketEntityHeadRotation.java

@@ -0,0 +1,56 @@
+/*
+ * 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.clientbound.play;
+
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
+import de.bixilon.minosoft.protocol.protocol.InPacketBuffer;
+import de.bixilon.minosoft.protocol.protocol.PacketHandler;
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+
+
+public class PacketEntityHeadRotation implements ClientboundPacket {
+    int entityId;
+    int headYaw;
+
+    @Override
+    public void read(InPacketBuffer buffer, ProtocolVersion v) {
+        switch (v) {
+            case VERSION_1_7_10:
+                this.entityId = buffer.readInteger();
+                this.headYaw = buffer.readByte(); //ToDo
+                break;
+        }
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Entity %d moved head %s", entityId, headYaw));
+    }
+
+    public int getEntityId() {
+        return entityId;
+    }
+
+
+    public int getHeadYaw() {
+        return headYaw;
+    }
+
+
+    @Override
+    public void handle(PacketHandler h) {
+        h.handle(this);
+    }
+}

src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java

@@ -16,6 +16,7 @@ package de.bixilon.minosoft.protocol.protocol;
 import de.bixilon.minosoft.Minosoft;
 import de.bixilon.minosoft.config.GameConfiguration;
 import de.bixilon.minosoft.game.datatypes.GameMode;
+import de.bixilon.minosoft.game.datatypes.entities.Mob;
 import de.bixilon.minosoft.logging.Log;
 import de.bixilon.minosoft.protocol.network.Connection;
 import de.bixilon.minosoft.protocol.packets.clientbound.login.PacketEncryptionKeyRequest;
@@ -182,4 +183,8 @@ public class PacketHandler {
         connection.getPlayer().getWorld().getEntity(pkg.getEntityId()).setYaw(pkg.getYaw());
         connection.getPlayer().getWorld().getEntity(pkg.getEntityId()).setPitch(pkg.getPitch());
     }
+
+    public void handle(PacketEntityHeadRotation pkg) {
+        ((Mob) connection.getPlayer().getWorld().getEntity(pkg.getEntityId())).setHeadYaw(pkg.getHeadYaw());
+    }
 }

src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java

@@ -70,5 +70,6 @@ public interface Protocol {
         packetClassMapping.put(Packets.Clientbound.PLAY_ENTITY_VELOCITY, PacketEntityVelocity.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_SPAWN_PLAYER, PacketSpawnPlayer.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_ENTITY_TELEPORT, PacketEntityTeleport.class);
+        packetClassMapping.put(Packets.Clientbound.PLAY_ENTITY_HEAD_LOOK, PacketEntityHeadRotation.class);
     }
 }