GameLobbyManager.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Net;

public class GameLobbyManager : MonoBehaviour
{
    static GameLobbyManager _instance;

    public List<string> MapIdKeys;
    public List<Sprite> StickerSpriteValues;

    static Dictionary<string, Sprite> _stickerSprites = new Dictionary<string, Sprite>();
    static List<GUIGameLobbyPanel> _panels = new List<GUIGameLobbyPanel>();
    static int _selectedMinigameIndex;

    void Awake()
    {
        _instance = this;

        if (MapIdKeys.Count != StickerSpriteValues.Count)
            Debug.LogWarning("Cannot build sticker dictionary, number of keys is not equal to number of values.");
        else
        {
            for (int i = 0; i < MapIdKeys.Count; i++)
                _stickerSprites.Add(MapIdKeys[i], StickerSpriteValues[i]);
        }
    }

    public static void Show(string mapID)
    {
        _panels.Add(_instance.CreatePanel("Create Game", "", _stickerSprites[mapID]));
        _selectedMinigameIndex = 0;
        _panels[0].Select();
    }

    public static void Hide()
    {
        for (int i = 0; i < _panels.Count; i++)
        {
            if (_panels[i] != null)
                Destroy(_panels[i].gameObject);
        }

        _panels.Clear();
    }

    public static void UpdatePanel(GameServerSummary summary)
    {
        for (int i = 0; i < _panels.Count; i++)
        {
            if (_panels[i].EndPoint == summary.EndPoint)
            {
                // Panel already exists for this server endpoint, update panel with new summary.    
                return;
            }
        }

        // No panel exists for this summary, so create one.
        string playerCountText = string.Format("{0}/{1}", summary.PlayerProfiles.Length, summary.MaxPlayers);
        _panels.Add(_instance.CreatePanel("Join Game", playerCountText, _stickerSprites[summary.MapID]));
    }

    public static void UpdateScroll(int dir)
    {
        if (_panels.Count > 0)
        {
            _panels[_selectedMinigameIndex].Deselect();
            _selectedMinigameIndex = Mathf.Clamp(_selectedMinigameIndex + dir, 0, _panels.Count - 1);
            _panels[_selectedMinigameIndex].Select();
        }
    }

    GUIGameLobbyPanel CreatePanel(string dialogText, string playerCountText, Sprite stickerSprite)
    {
        GUIGameLobbyPanel newPanel = Sync.SpawnLocal("game_lobby_panel", Vector3.zero).GetComponent<GUIGameLobbyPanel>();

        newPanel.Init();
        newPanel.DialogText = dialogText;
        newPanel.PlayerCountText = playerCountText;
        newPanel.StickerSprite = stickerSprite;
        newPanel.transform.SetParent(transform, false);

        return newPanel;
    }
}