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using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;
namespace FairyGUI
{
/// <summary>
/// GoWrapper is class for wrapping common gameobject into UI display list.
/// </summary>
public class GoWrapper : DisplayObject
{
[Obsolete("No need to manually set this flag anymore, coz it will be handled automatically.")]
public bool supportStencil;
public event Action<UpdateContext> onUpdate;
public Action<Dictionary<Material, Material>> customCloneMaterials;
public Action customRecoverMaterials;
protected GameObject _wrapTarget;
protected List<RendererInfo> _renderers;
protected Dictionary<Material, Material> _materialsBackup;
protected Canvas _canvas;
protected bool _cloneMaterial;
protected bool _shouldCloneMaterial;
protected struct RendererInfo
{
public Renderer renderer;
public Material[] materials;
public int sortingOrder;
}
protected static List<Transform> helperTransformList = new List<Transform>();
/// <summary>
///
/// </summary>
public GoWrapper()
{
_renderers = new List<RendererInfo>();
_materialsBackup = new Dictionary<Material, Material>();
CreateGameObject("GoWrapper");
}
/// <summary>
///
/// </summary>
/// <param name="go">包装对象。</param>
public GoWrapper(GameObject go) : this()
{
SetWrapTarget(go, false);
}
/// <summary>
/// 设置包装对象。注意如果原来有包装对象,设置新的包装对象后,原来的包装对象只会被删除引用,但不会被销毁。
/// 对象包含的所有材质不会被复制如果材质已经是公用的这可能影响到其他对象。如果希望自动复制改为使用SetWrapTarget(target, true)设置。
/// </summary>
public GameObject wrapTarget
{
get { return _wrapTarget; }
set { SetWrapTarget(value, false); }
}
[Obsolete("setWrapTarget is deprecated. Use SetWrapTarget instead.")]
public void setWrapTarget(GameObject target, bool cloneMaterial)
{
SetWrapTarget(target, cloneMaterial);
}
/// <summary>
/// 设置包装对象。注意如果原来有包装对象,设置新的包装对象后,原来的包装对象只会被删除引用,但不会被销毁。
/// </summary>
/// <param name="target"></param>
/// <param name="cloneMaterial">如果true则复制材质否则直接使用sharedMaterial。</param>
public void SetWrapTarget(GameObject target, bool cloneMaterial)
{
InvalidateBatchingState();
RecoverMaterials();
_cloneMaterial = cloneMaterial;
if (_wrapTarget != null)
_wrapTarget.transform.SetParent(null, false);
_canvas = null;
_wrapTarget = target;
_shouldCloneMaterial = false;
_renderers.Clear();
if (_wrapTarget != null)
{
_wrapTarget.transform.SetParent(this.cachedTransform, false);
_canvas = _wrapTarget.GetComponent<Canvas>();
if (_canvas != null)
{
_canvas.renderMode = RenderMode.WorldSpace;
_canvas.worldCamera = StageCamera.main;
_canvas.overrideSorting = true;
RectTransform rt = _canvas.GetComponent<RectTransform>();
rt.pivot = new Vector2(0, 1);
rt.position = new Vector3(0, 0, 0);
this.SetSize(rt.rect.width, rt.rect.height);
}
else
{
CacheRenderers();
this.SetSize(0, 0);
}
SetGoLayers(this.layer);
}
}
override internal void _SetLayerDirect(int value)
{
gameObject.layer = value;
if (_wrapTarget != null)//这个if是为了在GoWrapper里使用模糊效果
{
_wrapTarget.layer = value;
foreach (Transform tf in _wrapTarget.GetComponentsInChildren<Transform>(true))
{
tf.gameObject.layer = value;
}
}
}
/// <summary>
/// GoWrapper will cache all renderers of your gameobject on constructor.
/// If your gameobject change laterly, call this function to update the cache.
/// GoWrapper会在构造函数里查询你的gameobject所有的Renderer并保存。如果你的gameobject
/// 后续发生了改变调用这个函数通知GoWrapper重新查询和保存。
/// </summary>
public void CacheRenderers()
{
if (_canvas != null)
return;
RecoverMaterials();
_renderers.Clear();
Renderer[] items = _wrapTarget.GetComponentsInChildren<Renderer>(true);
int cnt = items.Length;
_renderers.Capacity = cnt;
for (int i = 0; i < cnt; i++)
{
Renderer r = items[i];
Material[] mats = r.sharedMaterials;
RendererInfo ri = new RendererInfo()
{
renderer = r,
materials = mats,
sortingOrder = r.sortingOrder
};
_renderers.Add(ri);
if (!_cloneMaterial && mats != null
&& ((r is SkinnedMeshRenderer) || (r is MeshRenderer)))
{
int mcnt = mats.Length;
for (int j = 0; j < mcnt; j++)
{
Material mat = mats[j];
if (mat != null && mat.renderQueue != 3000) //Set the object rendering in Transparent Queue as UI objects
mat.renderQueue = 3000;
}
}
}
_renderers.Sort((RendererInfo c1, RendererInfo c2) =>
{
return c1.sortingOrder - c2.sortingOrder;
});
_shouldCloneMaterial = _cloneMaterial;
}
void CloneMaterials()
{
_shouldCloneMaterial = false;
int cnt = _renderers.Count;
for (int i = 0; i < cnt; i++)
{
RendererInfo ri = _renderers[i];
Material[] mats = ri.materials;
if (mats == null)
continue;
bool shouldSetRQ = (ri.renderer is SkinnedMeshRenderer) || (ri.renderer is MeshRenderer);
int mcnt = mats.Length;
for (int j = 0; j < mcnt; j++)
{
Material mat = mats[j];
if (mat == null)
continue;
//确保相同的材质不会复制两次
Material newMat;
if (!_materialsBackup.TryGetValue(mat, out newMat))
{
newMat = new Material(mat);
_materialsBackup[mat] = newMat;
}
mats[j] = newMat;
if (shouldSetRQ && mat.renderQueue != 3000) //Set the object rendering in Transparent Queue as UI objects
newMat.renderQueue = 3000;
}
if (customCloneMaterials != null)
customCloneMaterials.Invoke(_materialsBackup);
else if (ri.renderer != null)
ri.renderer.sharedMaterials = mats;
}
}
void RecoverMaterials()
{
if (_materialsBackup.Count == 0)
return;
int cnt = _renderers.Count;
for (int i = 0; i < cnt; i++)
{
RendererInfo ri = _renderers[i];
if (ri.renderer == null)
continue;
Material[] mats = ri.materials;
if (mats == null)
continue;
int mcnt = mats.Length;
for (int j = 0; j < mcnt; j++)
{
Material mat = mats[j];
foreach (KeyValuePair<Material, Material> kv in _materialsBackup)
{
if (kv.Value == mat)
mats[j] = kv.Key;
}
}
if (customRecoverMaterials != null)
customRecoverMaterials.Invoke();
else
ri.renderer.sharedMaterials = mats;
}
foreach (KeyValuePair<Material, Material> kv in _materialsBackup)
Material.DestroyImmediate(kv.Value);
_materialsBackup.Clear();
}
public override void SetRenderingOrder(UpdateContext context, bool inBatch)
{
base.SetRenderingOrder(context, inBatch);
int value = base.renderingOrder;
if (_canvas != null)
_canvas.sortingOrder = value;
else
{
int cnt = _renderers.Count;
for (int i = 0; i < cnt; i++)
{
RendererInfo ri = _renderers[i];
if (ri.renderer != null)
{
if (i != 0 && _renderers[i].sortingOrder != _renderers[i - 1].sortingOrder)
value = context.renderingOrder++;
ri.renderer.sortingOrder = value;
}
}
}
}
public override BatchElement AddToBatch(List<BatchElement> batchElements, bool force)
{
if (this._wrapTarget != null)
{
BatchElement batchElement = base.AddToBatch(batchElements, true);
batchElement.breakBatch = true;
return batchElement;
}
else
return null;
}
override protected bool SetLayer(int value, bool fromParent)
{
if (base.SetLayer(value, fromParent))
{
SetGoLayers(value);
return true;
}
else
return false;
}
protected void SetGoLayers(int layer)
{
if (_wrapTarget == null)
return;
_wrapTarget.GetComponentsInChildren<Transform>(true, helperTransformList);
int cnt = helperTransformList.Count;
for (int i = 0; i < cnt; i++)
helperTransformList[i].gameObject.layer = layer;
helperTransformList.Clear();
}
override public void Update(UpdateContext context)
{
if (onUpdate != null)
onUpdate(context);
if (_shouldCloneMaterial)
CloneMaterials();
ApplyClipping(context);
base.Update(context);
}
private List<Material> helperMaterials = new List<Material>();
virtual protected void ApplyClipping(UpdateContext context)
{
#if UNITY_2018_2_OR_NEWER
int cnt = _renderers.Count;
for (int i = 0; i < cnt; i++)
{
Renderer renderer = _renderers[i].renderer;
if (renderer == null)
continue;
if (customCloneMaterials != null)
helperMaterials.AddRange(_materialsBackup.Values);
else
renderer.GetSharedMaterials(helperMaterials);
int cnt2 = helperMaterials.Count;
for (int j = 0; j < cnt2; j++)
{
Material mat = helperMaterials[j];
if (mat != null)
context.ApplyClippingProperties(mat, false);
}
helperMaterials.Clear();
}
#else
int cnt = _renderers.Count;
for (int i = 0; i < cnt; i++)
{
Material[] mats = _renderers[i].materials;
if (mats == null)
continue;
int cnt2 = mats.Length;
for (int j = 0; j < cnt2; j++)
{
Material mat = mats[j];
if (mat != null)
context.ApplyClippingProperties(mat, false);
}
}
#endif
}
public override void Dispose()
{
if ((_flags & Flags.Disposed) != 0)
return;
if (_wrapTarget != null)
{
UnityEngine.Object.Destroy(_wrapTarget);
_wrapTarget = null;
if (_materialsBackup.Count > 0)
{ //如果有备份,说明材质是复制出来的,应该删除
foreach (KeyValuePair<Material, Material> kv in _materialsBackup)
Material.DestroyImmediate(kv.Value);
}
}
_renderers = null;
_materialsBackup = null;
_canvas = null;
customCloneMaterials = null;
customRecoverMaterials = null;
base.Dispose();
}
}
}