Fix SpawnEntity

SpigotCore_Main/src/de/steamwar/entity/REntity.java

@@ -231,12 +231,35 @@ public class REntity {
         }
     }
     private static final Function<REntity, Object> spawnPacketGenerator = entitySpawnPacketGenerator(ProtocolWrapper.spawnPacket, spawnPacketOffset());
-    private static final Function<REntity, Object> livingSpawnPacketGenerator = Core.getVersion() >= 19 ? spawnPacketGenerator : entitySpawnPacketGenerator(ProtocolWrapper.spawnLivingPacket, Core.getVersion() == 8 ? 2 : 0);
+    private static int objectDataOffset() {
+        switch (Core.getVersion()) {
+            case 8:
+                return 9;
+            case 9:
+            case 14:
+            case 12:
+            case 10:
+            case 15:
+            case 18:
+                return 6;
+            case 19:
+            default:
+                return  4;
+        }
+    }
+    private static final Reflection.FieldAccessor<Integer> additionalData = Reflection.getField(ProtocolWrapper.spawnPacket, int.class, objectDataOffset());
+    private Object spawnPacketGenerator() {
+        Object packet = spawnPacketGenerator.apply(this);
+        additionalData.set(packet, objectData);
+        return packet;
+    }
+
+    private static final Function<REntity, Object> livingSpawnPacketGenerator = Core.getVersion() >= 19 ? REntity::spawnPacketGenerator : entitySpawnPacketGenerator(ProtocolWrapper.spawnLivingPacket, Core.getVersion() == 8 ? 2 : 0);
     void spawn(Consumer<Object> packetSink) {
         if(entityType.isAlive()) {
             packetSink.accept(livingSpawnPacketGenerator.apply(this));
         } else {
-            packetSink.accept(spawnPacketGenerator.apply(this));
+            packetSink.accept(spawnPacketGenerator());
         }
 
         postSpawn(packetSink);
@@ -261,7 +284,7 @@ public class REntity {
         }
 
         if(Core.getVersion() > 8 && noGravity)
-            packetSink.accept(getDataWatcherPacket(noGravityDataWatcher,this.noGravity));
+            packetSink.accept(getDataWatcherPacket(noGravityDataWatcher, true));
     }
 
     void tick() {
@@ -378,33 +401,11 @@ public class REntity {
 
     protected static Function<REntity, Object> spawnPacketGenerator(Class<?> spawnPacket, int posOffset) {
         Reflection.FieldAccessor<Integer> entityId = Reflection.getField(spawnPacket, int.class, 0);
-
-        int index;
-        switch (Core.getVersion()) {
-            case 8:
-                index = 9;
-                break;
-            case 9:
-            case 14:
-            case 12:
-            case 10:
-            case 15:
-            case 18:
-                index = 6;
-                break;
-            case 19:
-            default:
-                index = 4;
-                break;
-        }
-
-        Reflection.FieldAccessor<Integer> additionalData = Reflection.getField(spawnPacket, int.class, index);
         BountifulWrapper.PositionSetter position = BountifulWrapper.impl.getPositionSetter(spawnPacket, posOffset);
 
         return entity -> {
             Object packet = Reflection.newInstance(spawnPacket);
             entityId.set(packet, entity.entityId);
-            additionalData.set(packet,entity.objectData);
             position.set(packet, entity.x, entity.y, entity.z);
             return packet;
         };