aCis AutoFix player coordinates (falling in texture)

diff --git a/aCis_gameserver/java/net/sf/l2j/gameserver/network/clientpackets/ValidatePosition.java b/aCis_gameserver/java/net/sf/l2j/gameserver/network/clientpackets/ValidatePosition.java
index e359b80..c80a50e 100644
--- a/aCis_gameserver/java/net/sf/l2j/gameserver/network/clientpackets/ValidatePosition.java
+++ b/aCis_gameserver/java/net/sf/l2j/gameserver/network/clientpackets/ValidatePosition.java
@@ -4,9 +4,11 @@

 import net.sf.l2j.gameserver.enums.TeleportMode;
 import net.sf.l2j.gameserver.enums.actors.MoveType;
+import net.sf.l2j.gameserver.geoengine.GeoEngine;
 import net.sf.l2j.gameserver.model.World;
 import net.sf.l2j.gameserver.model.WorldRegion;
 import net.sf.l2j.gameserver.model.actor.Player;
+import net.sf.l2j.gameserver.model.location.SpawnLocation;
 import net.sf.l2j.gameserver.network.serverpackets.ExServerPrimitive;
 import net.sf.l2j.gameserver.network.serverpackets.GetOnVehicle;
 import net.sf.l2j.gameserver.network.serverpackets.ValidateLocation;
@@ -37,6 +39,8 @@
        if (player == null || player.isTeleporting() || player.isInObserverMode())
            return;

+       final SpawnLocation realPos = player.getPosition().clone();
+
        // Disable validation for CameraMode.
        if (player.getTeleportMode() == TeleportMode.CAMERA_MODE)
        {
@@ -49,6 +53,12 @@
            return;
        }

+       if (GeoEngine.getInstance().hasGeo(realPos.getX(), realPos.getY()) && (_z < realPos.getZ()) && (Math.abs(realPos.getZ() - _z) > 800))
+       {
+           player.sendPacket(new ValidateLocation(player));
+           return;
+       }
+
        // Disable validation during fall to avoid "jumping".
        if (player.isFalling(_z))
            return;