StartScreen.cs

using System; using System.Collections; using System.Collections.Generic; using System.Linq; using TMPro; using UnityEditor; using UnityEngine; using UnityEngine.Audio; using UnityEngine.UI; using UnityEngine.SceneManagement; namespace UI { // src https://www.youtube.com/watch?v=CE9VOZivb3I public class StartScreen : MonoBehaviour { [SerializeField] private GameObject crossFadeObj; [SerializeField] private TextMeshProUGUI loadingText; [Header("Buttons")] [SerializeField] private Button startBtn; [SerializeField] private Button aboutBtn; [SerializeField] private Button closeBtn; [SerializeField] private Button settingsBtn; [SerializeField] private Button applyBtn; [SerializeField] private Button aboutCloseBtn; [SerializeField] private Button settingsCloseBtn; [Header("Settings Menu")] [SerializeField] private TMP_Dropdown resolutionDropdown; [SerializeField] private Slider volumeSlider; [SerializeField] private Toggle fullscreenToggle; [SerializeField] private AudioMixer audioMixer; [SerializeField] private float currentVolume; [Header("UI Panel Objects")] [SerializeField] private GameObject aboutMenu; [SerializeField] private GameObject settingsMenu; private List<Resolution> _screenResolutions; private static readonly int Start1 = Animator.StringToHash("Start"); private Animator _crossFadeAnim; private int _currentResIndex; private bool _hasFaded; private void Start() { loadingText.enabled = false; startBtn.onClick.AddListener(StartGame); closeBtn.onClick.AddListener(CloseGame); aboutBtn.onClick.AddListener(ShowAboutMenu); aboutCloseBtn.onClick.AddListener(CloseAboutMenu); settingsBtn.onClick.AddListener(ShowSettingsMenu); settingsCloseBtn.onClick.AddListener(CloseSettingsMenu); resolutionDropdown.onValueChanged.AddListener(SetResolution); fullscreenToggle.onValueChanged.AddListener(ToggleFullscreen); volumeSlider.onValueChanged.AddListener(SetVolume); applyBtn.onClick.AddListener(SaveSettings); if (!crossFadeObj.activeSelf) crossFadeObj.SetActive(true); if (aboutMenu.activeSelf) aboutMenu.SetActive(false); if (settingsMenu.activeSelf) settingsMenu.SetActive(false); InitializeResolutions(); LoadSettings(_currentResIndex); _crossFadeAnim = crossFadeObj.GetComponent<Animator>(); } private void StartGame() { LoadNextScene(); } private void ShowAboutMenu() { ToggleButtonInteractivity(false); if (!CheckButtonInteractivity()) return; CloseAllMenus(); aboutMenu.SetActive(true); } private void CloseAboutMenu() { ToggleButtonInteractivity(true); if (!aboutMenu.activeSelf) return; aboutMenu.SetActive(false); } private void ShowSettingsMenu() { ToggleButtonInteractivity(true); if (!CheckButtonInteractivity()) return; CloseAllMenus(); settingsMenu.SetActive(true); } private void CloseSettingsMenu() { ToggleButtonInteractivity(true); if (!settingsMenu.activeSelf) return; settingsMenu.SetActive(false); } private bool CheckButtonInteractivity() { return !(settingsMenu.activeSelf || aboutMenu.activeSelf); } private void ToggleButtonInteractivity(bool yn) { startBtn.interactable = yn; aboutBtn.interactable = yn; closeBtn.interactable = yn; settingsBtn.interactable = yn; } private static void CloseGame() { switch (Application.platform) { #if UNITY_EDITOR case RuntimePlatform.WindowsEditor: case RuntimePlatform.LinuxEditor: EditorApplication.ExitPlaymode(); break; #endif case RuntimePlatform.WindowsPlayer: case RuntimePlatform.LinuxPlayer: Application.Quit(); break; } } private void LoadNextScene() { StartCoroutine(LoadLevel(SceneManager.GetActiveScene().buildIndex + 1)); } private void CloseAllMenus() { settingsMenu.SetActive(false); aboutMenu.SetActive(false); ToggleButtonInteractivity(true); } private void ToggleFullscreen(bool isFullscreen) { Screen.fullScreen = isFullscreen; } private void SetResolution(int resolutionIndex) { var resolution = _screenResolutions[resolutionIndex]; Screen.SetResolution(resolution.width, resolution.height, Screen.fullScreen); } private void SetVolume(float volume) { audioMixer.SetFloat("Volume", volume); currentVolume = volume; } private void SaveSettings() { PlayerPrefs.SetInt("FullScreenPreference", Convert.ToInt32(Screen.fullScreen)); PlayerPrefs.SetInt("ResolutionPreference", resolutionDropdown.value); PlayerPrefs.SetFloat("VolumePreference", currentVolume); } private void LoadSettings(int resolutionIndex) { Screen.fullScreen = PlayerPrefs.HasKey("FullScreenPreference") && Convert.ToBoolean(PlayerPrefs.GetInt("FullScreenPreference")); resolutionDropdown.value = PlayerPrefs.HasKey("ResolutionPreference") ? PlayerPrefs.GetInt("ResolutionPreference") : resolutionIndex; volumeSlider.value = PlayerPrefs.HasKey("VolumePreference") ? PlayerPrefs.GetFloat("VolumePreference") : 1f; } private void InitializeResolutions() { resolutionDropdown.ClearOptions(); var options = new List<string>(); _screenResolutions = Screen.resolutions.ToList(); foreach (var t in _screenResolutions) { var option = t.width + " x " + t.height; options.Add(option); if (t.width == Screen.currentResolution.width & t.height == Screen.currentResolution.height) { _currentResIndex = _screenResolutions.IndexOf(t); } } resolutionDropdown.AddOptions(options); resolutionDropdown.RefreshShownValue(); } private IEnumerator LoadLevel(int levelIndex) { loadingText.enabled = true; _crossFadeAnim.SetTrigger(Start1); yield return new WaitForSeconds(1f); SceneManager.LoadSceneAsync(levelIndex); } } }