private void DamageWallOnTile(ref PlantInfo plantInfo, ref BlockingInfo blockInfo, int x, int y)
        {
            if (plantInfo.type == PlantType.NotDefined)
            {
                return;
            }

            var plantRule = _zone.Configuration.PlantRules.GetPlantRule(plantInfo.type);

            if (plantRule == null)
            {
                return;
            }

            //is it wall?
            if (!plantRule.AllowedOnNonNatural)
            {
                return;
            }

            //only degrades in the last few phases
            if (!plantInfo.IsWallInLastFewStates(plantRule))
            {
                return;
            }

            var globalX = x + _area.X1;
            var globalY = y + _area.Y1;

            //pbs might save it
            if (_pbsPositions != null && _pbsPositions.Count > 0)
            {
                if (PBSHelper.IsPBSInRange(_wallDistanceFromPBS, _pbsPositions, globalX, globalY))
                {
                    var closestPBSDistance = PBSHelper.GetMinimalDistance(_pbsPositions, globalX, globalY);

                    if (closestPBSDistance <= _intactDistance)
                    {
                        //pbs object in intact distance, wall is protected
                        return;
                    }

                    //in fading range

                    //near 1 .. far 0
                    var chanceToSurvive = 1 - ((closestPBSDistance - _intactDistance) / _gradientRange);

                    var random = FastRandom.NextDouble();

                    if (random < chanceToSurvive)
                    {
                        //it will happen inwards more often

                        //so the plant wont get unhealed as it is closer to a pbs but within the range
                        return;
                    }
                }
            }



            plantInfo.UnHealPlant();

            if (plantInfo.health > 0)
            {
                return;
            }

            blockInfo.Plant  = false;
            blockInfo.Height = 0;

            plantInfo.Clear();
            plantInfo.state = 1;
        }