Now: full entity support, here: add experience orb support

src/main/java/de/bixilon/minosoft/game/datatypes/entities/ExperienceOrb.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.game.datatypes.entities;
+
+import de.bixilon.minosoft.game.datatypes.entities.meta.EntityMetaData;
+
+public class ExperienceOrb extends Entity {
+    EntityMetaData metaData;
+    short count;
+
+
+    public ExperienceOrb(int id, Location location, short count) {
+        super(id, location, 0, 0, null);
+        this.count = count;
+    }
+
+    @Override
+    public EntityMetaData getMetaData() {
+        return metaData;
+    }
+
+    @Override
+    public void setMetaData(EntityMetaData metaData) {
+        this.metaData = metaData;
+    }
+
+    @Override
+    public float getWidth() {
+        return 0.5F;
+    }
+
+    @Override
+    public float getHeight() {
+        return 0.5F;
+    }
+
+    @Override
+    public Class<? extends EntityMetaData> getMetaDataClass() {
+        return EntityMetaData.class;
+    }
+
+    public short getCount() {
+        return count;
+    }
+}

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

@@ -0,0 +1,53 @@
+/*
+ * 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.game.datatypes.entities.ExperienceOrb;
+import de.bixilon.minosoft.game.datatypes.entities.Location;
+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 PacketSpawnExperienceOrb implements ClientboundPacket {
+    ExperienceOrb orb;
+
+
+    @Override
+    public void read(InPacketBuffer buffer, ProtocolVersion v) {
+        switch (v) {
+            case VERSION_1_7_10:
+                int entityId = buffer.readVarInt();
+                Location location = new Location(buffer.readFixedPointNumberInteger(), buffer.readFixedPointNumberInteger(), buffer.readFixedPointNumberInteger());
+                short count = buffer.readShort();
+                orb = new ExperienceOrb(entityId, location, count);
+                break;
+        }
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Experience orb spawned (entityId=%d, count=%d, at %s)", orb.getId(), orb.getCount(), orb.getLocation().toString()));
+    }
+
+    @Override
+    public void handle(PacketHandler h) {
+        h.handle(this);
+    }
+
+    public ExperienceOrb getOrb() {
+        return orb;
+    }
+}

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

@@ -38,7 +38,7 @@ public class PacketSpawnLocation implements ClientboundPacket {
 
     @Override
     public void log() {
-        Log.protocol(String.format("Received spawn location %s %s %s", loc.getX(), loc.getY(), loc.getZ()));
+        Log.protocol(String.format("Received spawn location %s", loc.toString()));
     }
 
     public Location getSpawnLocation() {

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

@@ -43,7 +43,7 @@ public class PacketSpawnMob implements ClientboundPacket {
 
                 assert type != null;
                 try {
-                    mob = (Mob) type.getClazz().getConstructor(int.class, Location.class, int.class, int.class, Velocity.class, InByteBuffer.class, ProtocolVersion.class).newInstance(entityId, location, yaw, pitch, velocity, buffer, v);
+                    mob = type.getClazz().getConstructor(int.class, Location.class, int.class, int.class, Velocity.class, InByteBuffer.class, ProtocolVersion.class).newInstance(entityId, location, yaw, pitch, velocity, buffer, v);
                 } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
                     e.printStackTrace();
                 }
@@ -53,7 +53,7 @@ public class PacketSpawnMob implements ClientboundPacket {
 
     @Override
     public void log() {
-        Log.protocol(String.format("Mob spawned (entityId=%d, type=%s, at %s %s %s)", mob.getId(), mob.getEntityType().name(), mob.getLocation().getX(), mob.getLocation().getY(), mob.getLocation().getZ()));
+        Log.protocol(String.format("Mob spawned (entityId=%d, type=%s, at %s)", mob.getId(), mob.getEntityType().name(), mob.getLocation().toString()));
     }
 
     public Mob getMob() {

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

@@ -231,4 +231,8 @@ public class PacketHandler {
     public void handle(PacketSpawnObject pkg) {
         connection.getPlayer().getWorld().addEntity(pkg.getObject());
     }
+
+    public void handle(PacketSpawnExperienceOrb pkg) {
+        connection.getPlayer().getWorld().addEntity(pkg.getOrb());
+    }
 }

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

@@ -79,5 +79,6 @@ public interface Protocol {
         packetClassMapping.put(Packets.Clientbound.PLAY_RESPAWN, PacketRespawn.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_OPEN_SIGN_EDITOR, PacketOpenSignEditor.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_SPAWN_OBJECT, PacketSpawnObject.class);
+        packetClassMapping.put(Packets.Clientbound.PLAY_SPAWN_EXPERIENCE_ORB, PacketSpawnExperienceOrb.class);
     }
 }