fix missmatched index throughout versions

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

@@ -52,7 +52,7 @@ public class RArmorStand extends REntity {
     private final Size size;
 
     public RArmorStand(REntityServer server, Location location, Size size) {
-        super(server, EntityType.ARMOR_STAND, location,0);
+        super(server, EntityType.ARMOR_STAND, location);
         this.size = size;
     }
 

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

@@ -70,7 +70,11 @@ public class REntity {
     private String displayName;
     protected final Map<Object, ItemStack> itemSlots;
 
-    public REntity(REntityServer server, EntityType entityType, Location location,int objectData) {
+    public REntity(REntityServer server, EntityType entityType, Location location) {
+        this(server, entityType, new UUID(random.nextLong() & -61441L | 16384L, random.nextLong() & 4611686018427387903L | -9223372036854775808L), location,0);
+    }
+
+    protected REntity(REntityServer server, EntityType entityType, Location location,int objectData) {
         this(server, entityType, new UUID(random.nextLong() & -61441L | 16384L, random.nextLong() & 4611686018427387903L | -9223372036854775808L), location,objectData);
     }
 
@@ -373,7 +377,20 @@ public class REntity {
 
     protected static Function<REntity, Object> spawnPacketGenerator(Class<?> spawnPacket, int posOffset) {
         Reflection.FieldAccessor<Integer> entityId = Reflection.getField(spawnPacket, int.class, 0);
-        Reflection.FieldAccessor<Integer> additionalData = Reflection.getField(spawnPacket, int.class, 9);
+
+        //Core version 8, index = 10
+        //Core version 9 to 18, index = 6
+        //Core version 19, index = 7
+
+        int index;
+        switch (Core.getVersion()) {
+            case 8: index = 10;
+            case 19: index = 7;
+            default: index = 6;
+        }
+
+
+        Reflection.FieldAccessor<Integer> additionalData = Reflection.getField(spawnPacket, int.class, index);
         BountifulWrapper.PositionSetter position = BountifulWrapper.impl.getPositionSetter(spawnPacket, posOffset);
 
         return entity -> {