Fix getXYZ of Vec3i

src/main/java/com/moulberry/axiom/packet/SetBlockPacketListener.java

@@ -22,9 +22,9 @@ public class SetBlockPacketListener implements AxiomPacketListener {
 
     private static final Reflection.Method<Level, Boolean> setBlock = Reflection.getTypedMethod(Level.class, boolean.class, BlockPos.class, BlockState.class, int.class);
 
-    private static final Reflection.Method<Vec3i, Integer> getX = Reflection.getTypedMethod(Vec3i.class, int.class, 0);
-    private static final Reflection.Method<Vec3i, Integer> getY = Reflection.getTypedMethod(Vec3i.class, int.class, 1);
-    private static final Reflection.Method<Vec3i, Integer> getZ = Reflection.getTypedMethod(Vec3i.class, int.class, 2);
+    private static final Reflection.Method<Vec3i, Integer> getX = Reflection.getTypedMethod(Vec3i.class, int.class, 1);
+    private static final Reflection.Method<Vec3i, Integer> getY = Reflection.getTypedMethod(Vec3i.class, int.class, 2);
+    private static final Reflection.Method<Vec3i, Integer> getZ = Reflection.getTypedMethod(Vec3i.class, int.class, 3);
 
     private static final Reflection.Method<ServerGamePacketListenerImpl, Void> ackBlockChangesUpTo = Reflection.getMethod(ServerGamePacketListenerImpl.class, int.class);
     @Override