FREE FallingTiles : 23.0.0 23.0.0

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;
using Oxide.Core;
using Oxide.Game.Rust.Cui;
using System.Linq;
using Random = UnityEngine.Random;

namespace Oxide.Plugins
{
    [Info("Falling Tiles", "Vic", "23.0.0")]
    public class FallingTiles : RustPlugin
    {
        private List<BuildingBlock> _tiles = new List<BuildingBlock>();
        private bool _gameActive = false;
        private string _currentSong = "Waiting for Request...";
        private string _lastLyric = "FALLING TILES";
        private string _ngrokLink = "https://gael-supersolar-elenora.ngrok-free.dev";
        private Timer _touchTimer;

        private const string MetalFloorPrefab = "assets/prefabs/building core/floor/floor.prefab";
        private const string ExplodeEffect = "assets/content/effects/explosions/explosion piercing.prefab";

        void Init() => permission.RegisterPermission("fallingtiles.admin", this);

        // --- COMMANDS ---
        [ChatCommand("sr")]
        private void CmdSongRequest(BasePlayer player, string cmd, string[] args) {
            if (args.Length == 0) return;
            string query = UnityWebRequest.EscapeURL(string.Join(" ", args));
            webrequest.Enqueue($"{_ngrokLink}/request-song?q={query}", null, (code, res) => {}, this);
        }

        [ChatCommand("srl")]
        private void CmdLink(BasePlayer player) {
            Item n = ItemManager.CreateByName("note", 1);
            if (n == null) return;
            n.name = "Falling Tiles Access Pass";
            n.text = _ngrokLink;
            if (!n.MoveToContainer(player.inventory.containerBelt)) n.MoveToContainer(player.inventory.containerMain);
            player.ChatMessage("<color=#1DB954>[FALLING TILES]</color> Link forced to your hotbar!");
        }

        [ChatCommand("tiles")]
        private void CmdMenu(BasePlayer player) {
            CuiHelper.DestroyUi(player, "FT_Menu");
            var container = new CuiElementContainer();
            container.Add(new CuiPanel { Image = { Color = "0 0 0 0.96" }, RectTransform = { AnchorMin = "0.35 0.35", AnchorMax = "0.65 0.65" }, CursorEnabled = true }, "Overlay", "FT_Menu");
            container.Add(new CuiLabel { Text = { Text = "FALLING TILES", FontSize = 18, Align = TextAnchor.MiddleCenter, Color = "0 1 0 1" }, RectTransform = { AnchorMin = "0 0.85", AnchorMax = "1 1" } }, "FT_Menu");
            container.Add(new CuiButton { Button = { Command = "tiles.close", Color = "0.6 0.1 0.1 1" }, RectTransform = { AnchorMin = "0.9 0.88", AnchorMax = "0.98 0.98" }, Text = { Text = "X" } }, "FT_Menu");
            if (player.IsAdmin) {
                AddBtn(ref container, "1. SETUP ARENA", "tiles.setup", "0.1 0.6", "0.9 0.75", "0.2 0.2 0.2 1");
                AddBtn(ref container, "2. START GAME", "tiles.start", "0.1 0.4", "0.9 0.55", "0.1 0.5 0.1 1");
                AddBtn(ref container, "3. STOP & CLEAR", "tiles.stop", "0.1 0.2", "0.9 0.35", "0.5 0.1 0.1 1");
            }
            CuiHelper.AddUi(player, container);
        }

        private void AddBtn(ref CuiElementContainer c, string t, string cmd, string min, string max, string clr) {
            c.Add(new CuiButton { Button = { Command = cmd, Color = clr }, RectTransform = { AnchorMin = min, AnchorMax = max }, Text = { Text = t, Align = TextAnchor.MiddleCenter } }, "FT_Menu");
        }

        [ConsoleCommand("tiles.close")] private void ConsoleClose(ConsoleSystem.Arg arg) => CuiHelper.DestroyUi(arg.Player(), "FT_Menu");

        // --- CORE LOGIC ---
        [ConsoleCommand("tiles.setup")]
        private void ConsoleSetup(ConsoleSystem.Arg arg) {
            ClearArena(); BasePlayer p = arg.Player();
            for (int l = 0; l < 3; l++) {
                for (int x = -3; x < 3; x++) {
                    for (int z = -3; z < 3; z++) {
                        Vector3 pos = p.transform.position + new Vector3(x * 3, -(l * 3.5f), z * 3);
                        BuildingBlock b = GameManager.server.CreateEntity(MetalFloorPrefab, pos) as BuildingBlock;
                        b.Spawn(); b.SetGrade(BuildingGrade.Enum.Stone); b.grounded = true;
                        if (l == 2 && x >= -1 && x <= 0 && z >= -1 && z <= 0) b.gameObject.name = "CenterTile";
                        _tiles.Add(b);
                    }
                }
            }
        }

        [ConsoleCommand("tiles.start")] private void ConsoleStart(ConsoleSystem.Arg arg) { _gameActive = true; StartTouchEngine(); UpdateHUD(); }
        [ConsoleCommand("tiles.stop")] private void ConsoleStop(ConsoleSystem.Arg arg) { _gameActive = false; _touchTimer?.Destroy(); ClearArena(); }

        [ConsoleCommand("tiles.pulse")]
        private void ConsolePulse(ConsoleSystem.Arg arg) { if (_gameActive && arg.Args[0] == "bass") DropRandomTile(); }

        private void DropRandomTile() {
            if (_tiles.Count <= 4) return;
            var t = _tiles[Random.Range(0, _tiles.Count)];
            if (t != null && t.gameObject.name != "CenterTile") DegradeTile(t);
        }

        private void StartTouchEngine() {
            _touchTimer = timer.Every(0.25f, () => {
                if (!_gameActive) return;
                foreach (var p in BasePlayer.activePlayerList) {
                    RaycastHit hit;
                    if (Physics.Raycast(p.transform.position + Vector3.up, Vector3.down, out hit, 1.5f)) {
                        var b = hit.GetEntity() as BuildingBlock;
                        if (b != null && _tiles.Contains(b) && b.gameObject.name != "CenterTile") DegradeTile(b);
                    }
                }
            });
        }

        private void DegradeTile(BuildingBlock b) {
            if (b.grade == BuildingGrade.Enum.Twigs) {
                foreach(var p in BasePlayer.activePlayerList) p.SendConsoleCommand("ddraw.text", 1.5f, Color.green, b.transform.position + Vector3.up, $"<b>{_lastLyric}</b>");
                _tiles.Remove(b); Effect.server.Run(ExplodeEffect, b.transform.position); b.Kill(); 
            } else { b.SetGrade((BuildingGrade.Enum)((int)b.grade - 1)); b.SendNetworkUpdate(); }
        }

        [ConsoleCommand("tiles.lyrics")]
        private void ConsoleLyrics(ConsoleSystem.Arg arg) {
            _lastLyric = string.Join(" ", arg.Args).ToUpper();
            foreach (var p in BasePlayer.activePlayerList) {
                CuiHelper.DestroyUi(p, "FT_LYR");
                var c = new CuiElementContainer();
                c.Add(new CuiPanel { Image = { Color = "0 0 0 0.8" }, RectTransform = { AnchorMin = "0.2 0.93", AnchorMax = "0.8 0.98" } }, "Overlay", "FT_LYR");
                c.Add(new CuiLabel { Text = { Text = _lastLyric, FontSize = 22, Align = TextAnchor.MiddleCenter, Color = "0 1 0 1" }, RectTransform = { AnchorMin = "0 0", AnchorMax = "1 1" } }, "FT_LYR");
                CuiHelper.AddUi(p, c);
            }
        }

        [ConsoleCommand("tiles.updateui")]
        private void ConsoleUpdateUI(ConsoleSystem.Arg arg) { _currentSong = string.Join(" ", arg.Args); UpdateHUD(); }

        private void UpdateHUD() {
            foreach (var p in BasePlayer.activePlayerList) {
                CuiHelper.DestroyUi(p, "FT_HUD");
                var c = new CuiElementContainer();
                c.Add(new CuiPanel { Image = { Color = "0 0 0 0.7" }, RectTransform = { AnchorMin = "0.75 0.93", AnchorMax = "0.99 0.99" } }, "HUD", "FT_HUD");
                c.Add(new CuiLabel { Text = { Text = $"SONG: {_currentSong}\nBY: VIC", FontSize = 10, Align = TextAnchor.MiddleLeft, Color = "0 1 0 1" }, RectTransform = { AnchorMin = "0.05 0", AnchorMax = "1 1" } }, "FT_HUD");
                CuiHelper.AddUi(p, c);
            }
        }

        private void ClearArena() { foreach (var t in _tiles.Where(x => x != null)) t.Kill(); _tiles.Clear(); }
        void Unload() => ClearArena();
    }
}