OnFreeableContainerReleaseStarted

using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using Oxide.Core;
using UnityEngine;

namespace Oxide.Plugins
{
    [Info("Freeable Release Announcer", "RustPluginGenerator", "1.0.0")]
    [Description("Announces and rate-limits tied-down freeable loot container release attempts")]
    public class FreeableReleaseAnnouncer : RustPlugin
    {
        private const string PermAnnounce = "freeablereleaseannouncer.announce";

        private PluginConfig config;
        private readonly Dictionary<ulong, int> attempts = new Dictionary<ulong, int>();

        private class PluginConfig
        {
            [JsonProperty("Broadcast release starts")]
            public bool Broadcast { get; set; } = true;

            [JsonProperty("Broadcast radius (meters)")]
            public float Radius { get; set; } = 80f;

            [JsonProperty("Warn after this many starts per container")]
            public int WarnThreshold { get; set; } = 5;
        }

        protected override void LoadDefaultConfig() => config = new PluginConfig();

        protected override void LoadConfig()
        {
            base.LoadConfig();
            try
            {
                config = Config.ReadObject<PluginConfig>();
                if (config == null) throw new Exception();
            }
            catch
            {
                PrintWarning("Configuration file is invalid, using defaults");
                LoadDefaultConfig();
            }
            SaveConfig();
        }

        protected override void SaveConfig() => Config.WriteObject(config);

        protected override void LoadDefaultMessages()
        {
            lang.RegisterMessages(new Dictionary<string, string>
            {
                ["ReleaseStarted"] = "{0} is freeing a tied crate at {1}",
                ["SpamWarning"] = "Container {0} has been poked {1} times"
            }, this);
        }

        private string Msg(string key, string userId = null, params object[] args)
            => string.Format(lang.GetMessage(key, this, userId), args);

        private void Init()
        {
            permission.RegisterPermission(PermAnnounce, this);
        }

        private void OnFreeableContainerReleaseStarted(FreeableLootContainer freeableLootContainer, BasePlayer player)
        {
            if (freeableLootContainer == null || freeableLootContainer.IsDestroyed) return;

            ulong containerId = freeableLootContainer.net.ID.Value;
            int count;
            attempts.TryGetValue(containerId, out count);
            count++;
            attempts[containerId] = count;

            if (config.WarnThreshold > 0 && count == config.WarnThreshold)
            {
                PrintWarning(Msg("SpamWarning", null, containerId, count));
            }

            if (!config.Broadcast || player == null) return;

            Vector3 center = freeableLootContainer.transform.position;
            string name = player.displayName ?? "Someone";
            string grid = PositionToGrid(center);

            foreach (BasePlayer target in BasePlayer.activePlayerList)
            {
                if (target == null || !target.IsConnected) continue;
                if (Vector3.Distance(target.transform.position, center) > config.Radius && !target.IsAdmin) continue;
                target.ChatMessage(Msg("ReleaseStarted", target.UserIDString, name, grid));
            }
        }

        private static string PositionToGrid(Vector3 position)
        {
            int x = Mathf.FloorToInt((position.x + 1024f) / 146.3f);
            int z = Mathf.FloorToInt((position.z + 1024f) / 146.3f);
            return string.Format("{0}{1}", (char)('A' + x), z);
        }

        private void Unload()
        {
            attempts.Clear();
        }
    }
}