Update PortalTeleportCheck.java

plugins/paper/src/main/java/com/playmonumenta/plugins/portals/PortalTeleportCheck.java

@@ -194,7 +194,8 @@ private boolean portalEnterCheck(Player player, Portal portal) {
  return recentVelocity.getY() > 0.01;
  } else if (portal.mFacing == BlockFace.UP) {
  // Floor portals must be entered going downwards or level to the ground, not upwards
- return recentVelocity.getY() < 0.01;
+ // Additionally, prevent player from teleporting if sneaking, to prevent being looped between two floor portals
+ return recentVelocity.getY() < 0.01 && !player.isSneaking();
  } else {
  // Wall portals must be entered by going in their direction
  // To test this, check if the player would hit the portal if they kept going in the current direction