241 lines
8.9 KiB
C#
241 lines
8.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UIElements;
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using System.Linq;
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namespace UI
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{
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public class UIManager : MonoBehaviour
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{
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public static UIManager Instance { get; private set; }
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[System.Serializable]
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public class ScreenData
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{
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public string screenName;
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public UIDocument document;
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public bool isOverlay;
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public bool isActive;
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}
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public List<ScreenData> screens = new List<ScreenData>();
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public string initialScreen = "MainMenu";
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[Header("Cursor Settings")]
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private VisualElement _customCursor;
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private List<VisualElement> _trailPool = new List<VisualElement>();
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private int _trailIndex = 0;
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public int trailCount = 15;
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public float focusRadius = 500f;
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[Header("Editor Preview")]
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[Range(0f, 1f)]
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public float globalOpacity = 1f;
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private Stack<string> _navigationStack = new Stack<string>();
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private string _currentScreenName;
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private VisualElement _lastHoveredElement;
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// Flags for MainMenu state
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public bool isMainMenuActive = false;
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private bool _isSettingsOpen = false;
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private void Awake()
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{
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if (Instance == null) Instance = this;
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else { Destroy(gameObject); return; }
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SetupCursor();
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foreach (var s in screens)
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{
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if (s.document != null) s.document.rootVisualElement.style.display = DisplayStyle.None;
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}
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ShowScreen(initialScreen);
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}
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private void SetupCursor()
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{
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UIDocument doc = GetComponent<UIDocument>();
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if (doc == null && screens.Count > 0) doc = screens[0].document;
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if (doc == null) return;
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var root = doc.rootVisualElement;
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_customCursor = new VisualElement();
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_customCursor.style.width = 25; _customCursor.style.height = 25;
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_customCursor.style.backgroundColor = Color.white;
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_customCursor.style.borderTopLeftRadius = 13; _customCursor.style.borderTopRightRadius = 13;
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_customCursor.style.borderBottomLeftRadius = 13; _customCursor.style.borderBottomRightRadius = 13;
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_customCursor.style.position = Position.Absolute;
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_customCursor.pickingMode = PickingMode.Ignore;
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root.Add(_customCursor);
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for (int i = 0; i < trailCount; i++)
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{
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var trail = new VisualElement();
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trail.style.width = 18; trail.style.height = 18;
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trail.style.backgroundColor = new Color(1, 1, 1, 0.4f);
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trail.style.borderTopLeftRadius = 9; trail.style.borderTopRightRadius = 9;
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trail.style.borderBottomLeftRadius = 9; trail.style.borderBottomRightRadius = 9;
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trail.style.position = Position.Absolute;
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trail.pickingMode = PickingMode.Ignore;
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root.Add(trail);
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_trailPool.Add(trail);
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}
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_customCursor.BringToFront();
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}
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private void Update()
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{
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Vector2 mousePos = Input.mousePosition;
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bool isMainMenu = (_currentScreenName == "MainMenu");
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bool restrictY = (isMainMenu && isMainMenuActive && !_isSettingsOpen);
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float targetY = restrictY ? Screen.height / 2f : mousePos.y;
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Vector2 uiPos = new Vector2(mousePos.x, Screen.height - targetY);
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bool showCursor = !isMainMenu || !isMainMenuActive || _isSettingsOpen;
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DisplayStyle cursorDisplay = showCursor ? DisplayStyle.Flex : DisplayStyle.None;
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if (_customCursor != null)
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{
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_customCursor.style.display = cursorDisplay;
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_customCursor.style.left = uiPos.x - 12.5f;
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_customCursor.style.top = uiPos.y - 12.5f;
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}
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if (_trailPool.Count > 0)
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{
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var currentTrail = _trailPool[_trailIndex];
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currentTrail.style.left = uiPos.x - 9;
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currentTrail.style.top = uiPos.y - 9;
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currentTrail.style.opacity = 0.5f;
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foreach(var t in _trailPool)
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{
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t.style.display = cursorDisplay;
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t.style.opacity = Mathf.Max(0, t.style.opacity.value - Time.deltaTime * 4f);
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}
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_trailIndex = (_trailIndex + 1) % _trailPool.Count;
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}
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HandleVirtualInput(uiPos);
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if ((Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl)) && Input.GetKeyDown(KeyCode.O))
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ToggleSettings();
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}
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private void HandleVirtualInput(Vector2 uiPos)
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{
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UIDocument activeDoc = null;
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var settings = screens.Find(s => s.screenName == "Settings");
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if (_isSettingsOpen) activeDoc = settings.document;
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else activeDoc = screens.Find(s => s.screenName == _currentScreenName)?.document;
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if (activeDoc == null) return;
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VisualElement bestElement = null;
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float minDistance = float.MaxValue;
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var interactables = activeDoc.rootVisualElement.Query<VisualElement>()
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.Where(e => e.focusable && e.pickingMode != PickingMode.Ignore).ToList();
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foreach (var element in interactables)
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{
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Rect worldBounds = element.worldBound;
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float dist = Vector2.Distance(uiPos, worldBounds.center);
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if (dist < minDistance && dist < focusRadius) {
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minDistance = dist;
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bestElement = element;
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}
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}
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if (bestElement != _lastHoveredElement)
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{
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_lastHoveredElement?.RemoveFromClassList("hover");
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bestElement?.AddToClassList("hover");
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_lastHoveredElement = bestElement;
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}
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if (Input.GetMouseButtonDown(0) && _lastHoveredElement != null)
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{
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using (var clickEvent = ClickEvent.GetPooled()) {
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clickEvent.target = _lastHoveredElement;
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_lastHoveredElement.SendEvent(clickEvent);
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}
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}
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}
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// --- Editor Support Methods (Restored) ---
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public void SyncScreens()
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{
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foreach (var screen in screens)
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{
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if (screen.document != null && screen.document.rootVisualElement != null)
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{
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screen.document.rootVisualElement.style.display =
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screen.isActive ? DisplayStyle.Flex : DisplayStyle.None;
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screen.document.rootVisualElement.style.opacity = globalOpacity;
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}
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}
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}
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public void ShowOnly(string name)
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{
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foreach (var screen in screens)
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{
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screen.isActive = (screen.screenName == name);
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}
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SyncScreens();
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}
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// --- Runtime Logic ---
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public void ShowScreen(string name)
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{
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var screen = screens.Find(s => s.screenName == name);
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if (screen == null) return;
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if (!screen.isOverlay)
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{
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foreach(var s in screens) if(!s.isOverlay && s.document != null) s.document.rootVisualElement.style.display = DisplayStyle.None;
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_navigationStack.Push(name);
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_currentScreenName = name;
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}
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screen.document.rootVisualElement.style.display = DisplayStyle.Flex;
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screen.isActive = true;
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UnityEngine.Cursor.visible = false;
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}
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public void GoBack()
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{
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if (_navigationStack.Count <= 1) return;
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string current = _navigationStack.Pop();
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var currentData = screens.Find(s => s.screenName == current);
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if (currentData != null) currentData.document.rootVisualElement.style.display = DisplayStyle.None;
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_currentScreenName = _navigationStack.Peek();
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var prevData = screens.Find(s => s.screenName == _currentScreenName);
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if (prevData != null)
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{
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prevData.document.rootVisualElement.style.display = DisplayStyle.Flex;
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prevData.isActive = true;
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}
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}
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public void ToggleSettings()
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{
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var settings = screens.Find(s => s.screenName == "Settings");
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if (settings == null) return;
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_isSettingsOpen = settings.document.rootVisualElement.style.display == DisplayStyle.None;
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settings.document.rootVisualElement.style.display = _isSettingsOpen ? DisplayStyle.Flex : DisplayStyle.None;
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settings.isActive = _isSettingsOpen;
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if (_isSettingsOpen) settings.document.sortingOrder = 999;
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}
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}
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}
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