FREE BlockBoxPlacement : 0.0.2 0.0.2

using System.Collections.Generic;
using UnityEngine;
using System.Linq;
using System;

namespace Oxide.Plugins
{
    [Info("BlockBoxPlacement", "wazzzup", "0.0.2", ResourceId = 2312)]
    [Description("Blocks box and oven placement under foundations")]
    public class BlockBoxPlacement : RustPlugin
    {

        void Loaded()
        {
            lang.RegisterMessages(messages, this);
        }

        Dictionary<string, string> messages = new Dictionary<string, string>()
        {
            {"cantPlace", "Deploying boxes and ovens under foundations is disabled"},
        };

        void OnEntitySpawned(BaseEntity entity, GameObject gameObject)
        {
            if (entity is BoxStorage || entity is BaseOven) 
            {
                var player = BasePlayer.FindByID(entity.OwnerID);

                if (player != null && Math.Round(Math.Abs(entity.transform.position.y - TerrainMeta.HeightMap.GetHeight(entity.transform.position)), 2) < 0.05)
                {
                    foreach (var ent in BaseNetworkable.serverEntities.Where(p => p is BuildingBlock && p.ShortPrefabName.Contains("foundation") && Vector3.Distance(p.transform.position, entity.transform.position) <= 3).ToList())
                    {
                        SendReply(player, lang.GetMessage("cantPlace", this, player.UserIDString));
                        entity.Kill(BaseNetworkable.DestroyMode.None);
                        return;
                    }
                }
            }
        }
    }
}