616 lines
14 KiB
C#
616 lines
14 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace FairyGUI
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{
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/// <summary>
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///
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/// </summary>
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public enum FitScreen
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{
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None,
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FitSize,
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FitWidthAndSetMiddle,
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FitHeightAndSetCenter
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}
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/// <summary>
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///
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/// </summary>
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[ExecuteInEditMode]
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[AddComponentMenu("FairyGUI/UI Panel")]
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public class UIPanel : MonoBehaviour, EMRenderTarget
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{
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/// <summary>
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///
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/// </summary>
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public Container container { get; private set; }
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/// <summary>
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///
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/// </summary>
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public string packageName;
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/// <summary>
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///
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/// </summary>
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public string componentName;
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/// <summary>
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///
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/// </summary>
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public FitScreen fitScreen;
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/// <summary>
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///
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/// </summary>
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public int sortingOrder;
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[SerializeField]
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string packagePath;
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[SerializeField]
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RenderMode renderMode = RenderMode.ScreenSpaceOverlay;
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[SerializeField]
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Camera renderCamera = null;
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[SerializeField]
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Vector3 position;
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[SerializeField]
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Vector3 scale = new Vector3(1, 1, 1);
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[SerializeField]
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Vector3 rotation = new Vector3(0, 0, 0);
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[SerializeField]
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bool fairyBatching = false;
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[SerializeField]
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bool touchDisabled = false;
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[SerializeField]
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Vector2 cachedUISize;
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[SerializeField]
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HitTestMode hitTestMode = HitTestMode.Default;
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[SerializeField]
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bool setNativeChildrenOrder = false;
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[System.NonSerialized]
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int screenSizeVer;
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[System.NonSerialized]
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Rect uiBounds; //Track bounds even when UI is not created, edit mode
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GComponent _ui;
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[NonSerialized]
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bool _created;
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List<Renderer> _renders;
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void OnEnable()
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{
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if (Application.isPlaying)
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{
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if (this.container == null)
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{
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CreateContainer();
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if (!string.IsNullOrEmpty(packagePath) && UIPackage.GetByName(packageName) == null)
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UIPackage.AddPackage(packagePath);
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}
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else
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this.container._disabled = false;
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}
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else
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{
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//不在播放状态时我们不在OnEnable创建，因为Prefab也会调用OnEnable，延迟到Update里创建（Prefab不调用Update)
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//每次播放前都会disable/enable一次。。。
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if (container != null)//如果不为null，可能是因为Prefab revert， 而不是因为Assembly reload，
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OnDestroy();
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EMRenderSupport.Add(this);
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screenSizeVer = 0;
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uiBounds.position = position;
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uiBounds.size = cachedUISize;
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if (uiBounds.size == Vector2.zero)
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uiBounds.size = new Vector2(30, 30);
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}
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}
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void OnDisable()
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{
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if (Application.isPlaying)
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{
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if (this.container != null)
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this.container._disabled = true;
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}
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else
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EMRenderSupport.Remove(this);
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}
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void Start()
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{
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if (!_created && Application.isPlaying)
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CreateUI_PlayMode();
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}
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void Update()
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{
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if (screenSizeVer != StageCamera.screenSizeVer)
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HandleScreenSizeChanged();
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}
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void OnDestroy()
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{
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if (container != null)
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{
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if (!Application.isPlaying)
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EMRenderSupport.Remove(this);
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if (_ui != null)
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{
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_ui.Dispose();
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_ui = null;
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}
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container.Dispose();
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container = null;
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}
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_renders = null;
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}
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void CreateContainer()
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{
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if (!Application.isPlaying)
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{
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Transform t = this.transform;
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int cnt = t.childCount;
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while (cnt > 0)
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{
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GameObject go = t.GetChild(cnt - 1).gameObject;
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if (go.name == "UI(AutoGenerated)")
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UnityEngine.Object.DestroyImmediate(go);
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cnt--;
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}
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}
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this.container = new Container(this.gameObject);
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this.container.renderMode = renderMode;
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this.container.renderCamera = renderCamera;
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this.container.touchable = !touchDisabled;
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this.container._panelOrder = sortingOrder;
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this.container.fairyBatching = fairyBatching;
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if (Application.isPlaying)
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{
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SetSortingOrder(this.sortingOrder, true);
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if (this.hitTestMode == HitTestMode.Raycast)
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{
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ColliderHitTest hitArea = new ColliderHitTest();
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hitArea.collider = this.gameObject.AddComponent<BoxCollider>();
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this.container.hitArea = hitArea;
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}
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if (setNativeChildrenOrder)
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{
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CacheNativeChildrenRenderers();
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this.container.onUpdate = () =>
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{
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int cnt = _renders.Count;
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int sv = UpdateContext.current.renderingOrder++;
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for (int i = 0; i < cnt; i++)
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{
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Renderer r = _renders[i];
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if (r != null)
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_renders[i].sortingOrder = sv;
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}
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};
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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public GComponent ui
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{
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get
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{
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if (!_created && Application.isPlaying)
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{
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if (!string.IsNullOrEmpty(packagePath) && UIPackage.GetByName(packageName) == null)
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UIPackage.AddPackage(packagePath);
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CreateUI_PlayMode();
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}
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return _ui;
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}
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}
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/// <summary>
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///
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/// </summary>
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public void CreateUI()
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{
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if (_ui != null)
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{
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_ui.Dispose();
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_ui = null;
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}
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CreateUI_PlayMode();
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}
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/// <summary>
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/// Change the sorting order of the panel in runtime.
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/// </summary>
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/// <param name="value">sorting order value</param>
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/// <param name="apply">false if you dont want the default sorting behavior. e.g. call Stage.SortWorldSpacePanelsByZOrder later.</param>
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public void SetSortingOrder(int value, bool apply)
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{
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this.sortingOrder = value;
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container._panelOrder = value;
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if (apply)
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Stage.inst.ApplyPanelOrder(container);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="value"></param>
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public void SetHitTestMode(HitTestMode value)
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{
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if (this.hitTestMode != value)
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{
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this.hitTestMode = value;
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BoxCollider collider = this.gameObject.GetComponent<BoxCollider>();
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if (this.hitTestMode == HitTestMode.Raycast)
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{
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if (collider == null)
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collider = this.gameObject.AddComponent<BoxCollider>();
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ColliderHitTest hitArea = new ColliderHitTest();
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hitArea.collider = collider;
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this.container.hitArea = hitArea;
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if (_ui != null)
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UpdateHitArea();
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}
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else
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{
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this.container.hitArea = null;
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if (collider != null)
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Component.Destroy(collider);
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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public void CacheNativeChildrenRenderers()
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{
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if (_renders == null)
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_renders = new List<Renderer>();
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else
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_renders.Clear();
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Transform t = this.container.cachedTransform;
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int cnt = t.childCount;
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for (int i = 0; i < cnt; i++)
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{
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GameObject go = t.GetChild(i).gameObject;
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if (go.name != "GComponent")
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_renders.AddRange(go.GetComponentsInChildren<Renderer>(true));
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}
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cnt = _renders.Count;
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for (int i = 0; i < cnt; i++)
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{
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Renderer r = _renders[i];
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if ((r is SkinnedMeshRenderer) || (r is MeshRenderer))
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{
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//Set the object rendering in Transparent Queue as UI objects
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if (r.sharedMaterial != null)
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r.sharedMaterial.renderQueue = 3000;
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}
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}
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}
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void CreateUI_PlayMode()
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{
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_created = true;
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if (string.IsNullOrEmpty(packageName) || string.IsNullOrEmpty(componentName))
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return;
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_ui = (GComponent)UIPackage.CreateObject(packageName, componentName);
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if (_ui != null)
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{
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_ui.position = position;
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if (scale.x != 0 && scale.y != 0)
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_ui.scale = scale;
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_ui.rotationX = rotation.x;
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_ui.rotationY = rotation.y;
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_ui.rotation = rotation.z;
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if (this.container.hitArea != null)
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{
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UpdateHitArea();
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_ui.onSizeChanged.Add(UpdateHitArea);
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_ui.onPositionChanged.Add(UpdateHitArea);
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}
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this.container.AddChildAt(_ui.displayObject, 0);
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HandleScreenSizeChanged();
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}
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else
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Debug.LogError("Create " + packageName + "/" + componentName + " failed!");
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}
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void UpdateHitArea()
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{
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ColliderHitTest hitArea = this.container.hitArea as ColliderHitTest;
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if (hitArea != null)
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{
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((BoxCollider)hitArea.collider).center = new Vector3(_ui.xMin + _ui.width / 2, -_ui.yMin - _ui.height / 2);
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((BoxCollider)hitArea.collider).size = _ui.size;
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}
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}
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void CreateUI_EditMode()
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{
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if (!EMRenderSupport.packageListReady || UIPackage.GetByName(packageName) == null)
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return;
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#if (UNITY_5 || UNITY_5_3_OR_NEWER)
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DisplayOptions.SetEditModeHideFlags();
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GObject obj = UIPackage.CreateObject(packageName, componentName);
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if (obj != null && !(obj is GComponent))
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{
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obj.Dispose();
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Debug.LogWarning("Not a GComponnet: " + packageName + "/" + componentName);
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return;
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}
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_ui = (GComponent)obj;
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if (_ui != null)
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{
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_ui.displayObject.gameObject.hideFlags |= HideFlags.HideInHierarchy;
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_ui.gameObjectName = "UI(AutoGenerated)";
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_ui.position = position;
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if (scale.x != 0 && scale.y != 0)
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_ui.scale = scale;
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_ui.rotationX = rotation.x;
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_ui.rotationY = rotation.y;
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_ui.rotation = rotation.z;
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this.container.AddChildAt(_ui.displayObject, 0);
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cachedUISize = _ui.size;
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uiBounds.size = cachedUISize;
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HandleScreenSizeChanged();
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}
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#else
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PackageItem pi = UIPackage.GetByName(packageName).GetItemByName(componentName);
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if (pi != null)
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{
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cachedUISize = new Vector2(pi.width, pi.height);
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uiBounds.size = cachedUISize;
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HandleScreenSizeChanged();
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}
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#endif
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}
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void HandleScreenSizeChanged()
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{
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if (!Application.isPlaying)
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DisplayOptions.SetEditModeHideFlags();
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screenSizeVer = StageCamera.screenSizeVer;
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if (this.container != null)
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{
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if (this.container.renderMode != RenderMode.WorldSpace)
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this.container.scale = new Vector2(StageCamera.UnitsPerPixel * UIContentScaler.scaleFactor, StageCamera.UnitsPerPixel * UIContentScaler.scaleFactor);
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}
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int width = Mathf.CeilToInt(Screen.width / UIContentScaler.scaleFactor);
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int height = Mathf.CeilToInt(Screen.height / UIContentScaler.scaleFactor);
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if (this._ui != null)
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{
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switch (fitScreen)
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{
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case FitScreen.FitSize:
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this._ui.SetSize(width, height);
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this._ui.SetXY(0, 0, true);
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break;
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case FitScreen.FitWidthAndSetMiddle:
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this._ui.SetSize(width, this._ui.sourceHeight);
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this._ui.SetXY(0, (int)((height - this._ui.sourceHeight) / 2), true);
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break;
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case FitScreen.FitHeightAndSetCenter:
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this._ui.SetSize(this._ui.sourceWidth, height);
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this._ui.SetXY((int)((width - this._ui.sourceWidth) / 2), 0, true);
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break;
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}
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UpdateHitArea();
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}
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else
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{
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switch (fitScreen)
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{
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case FitScreen.FitSize:
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uiBounds.position = new Vector2(0, 0);
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uiBounds.size = new Vector2(width, height);
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break;
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case FitScreen.FitWidthAndSetMiddle:
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uiBounds.position = new Vector2(0, (int)((height - cachedUISize.y) / 2));
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uiBounds.size = new Vector2(width, cachedUISize.y);
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break;
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case FitScreen.FitHeightAndSetCenter:
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uiBounds.position = new Vector2((int)((width - cachedUISize.x) / 2), 0);
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uiBounds.size = new Vector2(cachedUISize.x, height);
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break;
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}
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}
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}
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#region edit mode functions
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void OnUpdateSource(object[] data)
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{
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if (Application.isPlaying)
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return;
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this.packageName = (string)data[0];
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this.packagePath = (string)data[1];
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this.componentName = (string)data[2];
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if ((bool)data[3])
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{
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if (container == null)
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return;
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if (_ui != null)
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{
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_ui.Dispose();
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_ui = null;
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}
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}
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}
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public void ApplyModifiedProperties(bool sortingOrderChanged, bool fitScreenChanged)
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{
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if (container != null)
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{
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container.renderMode = renderMode;
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container.renderCamera = renderCamera;
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if (sortingOrderChanged)
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{
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container._panelOrder = sortingOrder;
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if (Application.isPlaying)
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SetSortingOrder(sortingOrder, true);
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else
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EMRenderSupport.orderChanged = true;
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}
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container.fairyBatching = fairyBatching;
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}
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if (_ui != null)
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{
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if (fitScreen == FitScreen.None)
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_ui.position = position;
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if (scale.x != 0 && scale.y != 0)
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_ui.scale = scale;
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_ui.rotationX = rotation.x;
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_ui.rotationY = rotation.y;
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_ui.rotation = rotation.z;
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}
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if (fitScreen == FitScreen.None)
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uiBounds.position = position;
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screenSizeVer = 0;//force HandleScreenSizeChanged be called
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if (fitScreenChanged && this.fitScreen == FitScreen.None)
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{
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if (this._ui != null)
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this._ui.SetSize(this._ui.sourceWidth, this._ui.sourceHeight);
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uiBounds.size = cachedUISize;
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}
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}
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public void MoveUI(Vector3 delta)
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{
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if (fitScreen != FitScreen.None)
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return;
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this.position += delta;
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if (_ui != null)
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_ui.position = position;
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uiBounds.position = position;
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}
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public Vector3 GetUIWorldPosition()
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{
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if (_ui != null)
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return _ui.displayObject.cachedTransform.position;
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else
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return this.container.cachedTransform.TransformPoint(uiBounds.position);
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}
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void OnDrawGizmos()
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{
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if (Application.isPlaying || this.container == null)
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return;
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Vector3 pos, size;
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if (this._ui != null)
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{
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Gizmos.matrix = this._ui.displayObject.cachedTransform.localToWorldMatrix;
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pos = new Vector3(this._ui.width / 2, -this._ui.height / 2, 0);
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size = new Vector3(this._ui.width, this._ui.height, 0);
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}
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else
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{
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Gizmos.matrix = this.container.cachedTransform.localToWorldMatrix;
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pos = new Vector3(uiBounds.x + uiBounds.width / 2, -uiBounds.y - uiBounds.height / 2, 0);
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size = new Vector3(uiBounds.width, uiBounds.height, 0);
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}
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Gizmos.color = new Color(0, 0, 0, 0);
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Gizmos.DrawCube(pos, size);
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Gizmos.color = Color.white;
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Gizmos.DrawWireCube(pos, size);
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}
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public int EM_sortingOrder
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{
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get { return sortingOrder; }
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}
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public void EM_BeforeUpdate()
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{
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if (container == null)
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CreateContainer();
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if (packageName != null && componentName != null && _ui == null)
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CreateUI_EditMode();
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if (screenSizeVer != StageCamera.screenSizeVer)
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HandleScreenSizeChanged();
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}
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public void EM_Update(UpdateContext context)
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{
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DisplayOptions.SetEditModeHideFlags();
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container.Update(context);
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if (setNativeChildrenOrder)
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||
{
|
||
CacheNativeChildrenRenderers();
|
||
|
||
int cnt = _renders.Count;
|
||
int sv = context.renderingOrder++;
|
||
for (int i = 0; i < cnt; i++)
|
||
{
|
||
Renderer r = _renders[i];
|
||
if (r != null)
|
||
r.sortingOrder = sv;
|
||
}
|
||
}
|
||
}
|
||
|
||
public void EM_Reload()
|
||
{
|
||
if (_ui != null)
|
||
{
|
||
_ui.Dispose();
|
||
_ui = null;
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
}
|
||
}
|