C# UIAtlas.MarkAsChanged方法代码示例

	/// <summary>
	/// Update the sprite atlas, keeping only the sprites that are on the specified list.
	/// </summary>

	static public void UpdateAtlas (UIAtlas atlas, List<SpriteEntry> sprites)
	{
		if (sprites.Count > 0)
		{
			// Combine all sprites into a single texture and save it
			if (UpdateTexture(atlas, sprites))
			{
				// Replace the sprites within the atlas
				ReplaceSprites(atlas, sprites);
			}

			// Release the temporary textures
			ReleaseSprites(sprites);
			EditorUtility.ClearProgressBar();
			return;
		}
		else
		{
			atlas.spriteList.Clear();
			string path = NGUIEditorTools.GetSaveableTexturePath(atlas);
			atlas.spriteMaterial.mainTexture = null;
			if (!string.IsNullOrEmpty(path)) AssetDatabase.DeleteAsset(path);
		}

		atlas.MarkAsChanged();
		Selection.activeGameObject = (NGUISettings.atlas != null) ? NGUISettings.atlas.gameObject : null;
		EditorUtility.ClearProgressBar();
	}

	/// <summary>
	/// Draw the inspector widget.
	/// </summary>

	public override void OnInspectorGUI ()
	{
		NGUIEditorTools.SetLabelWidth(80f);
		mAtlas = target as UIAtlas;

		UISpriteData sprite = (mAtlas != null) ? mAtlas.GetSprite(NGUISettings.selectedSprite) : null;

		GUILayout.Space(6f);

		if (mAtlas.replacement != null)
		{
			mType = AtlasType.Reference;
			mReplacement = mAtlas.replacement;
		}

		GUILayout.BeginHorizontal();
		AtlasType after = (AtlasType)EditorGUILayout.EnumPopup("Atlas Type", mType);
		GUILayout.Space(18f);
		GUILayout.EndHorizontal();

		if (mType != after)
		{
			if (after == AtlasType.Normal)
			{
				mType = AtlasType.Normal;
				OnSelectAtlas(null);
			}
			else
			{
				mType = AtlasType.Reference;
			}
		}

		if (mType == AtlasType.Reference)
		{
			ComponentSelector.Draw<UIAtlas>(mAtlas.replacement, OnSelectAtlas, true);

			GUILayout.Space(6f);
			EditorGUILayout.HelpBox("You can have one atlas simply point to " +
				"another one. This is useful if you want to be " +
				"able to quickly replace the contents of one " +
				"atlas with another one, for example for " +
				"swapping an SD atlas with an HD one, or " +
				"replacing an English atlas with a Chinese " +
				"one. All the sprites referencing this atlas " +
				"will update their references to the new one.", MessageType.Info);

			if (mReplacement != mAtlas && mAtlas.replacement != mReplacement)
			{
				NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas);
				mAtlas.replacement = mReplacement;
				NGUITools.SetDirty(mAtlas);
			}
			return;
		}

		//GUILayout.Space(6f);
		Material mat = EditorGUILayout.ObjectField("Material", mAtlas.spriteMaterial, typeof(Material), false) as Material;

		if (mAtlas.spriteMaterial != mat)
		{
			NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas);
			mAtlas.spriteMaterial = mat;

			// Ensure that this atlas has valid import settings
			if (mAtlas.texture != null) NGUIEditorTools.ImportTexture(mAtlas.texture, false, false, !mAtlas.premultipliedAlpha);

			mAtlas.MarkAsChanged();
		}

		if (mat != null)
		{
			TextAsset ta = EditorGUILayout.ObjectField("TP Import", null, typeof(TextAsset), false) as TextAsset;

			if (ta != null)
			{
				// Ensure that this atlas has valid import settings
				if (mAtlas.texture != null) NGUIEditorTools.ImportTexture(mAtlas.texture, false, false, !mAtlas.premultipliedAlpha);

				NGUIEditorTools.RegisterUndo("Import Sprites", mAtlas);
				NGUIJson.LoadSpriteData(mAtlas, ta);
				if (sprite != null) sprite = mAtlas.GetSprite(sprite.name);
				mAtlas.MarkAsChanged();
			}

			float pixelSize = EditorGUILayout.FloatField("Pixel Size", mAtlas.pixelSize, GUILayout.Width(120f));

			if (pixelSize != mAtlas.pixelSize)
			{
				NGUIEditorTools.RegisterUndo("Atlas Change", mAtlas);
				mAtlas.pixelSize = pixelSize;
			}
		}

		if (mAtlas.spriteMaterial != null)
		{
//.........这里部分代码省略.........

	/// <summary>
	/// Replace the sprites within the atlas.
	/// </summary>

	static public void ReplaceSprites (UIAtlas atlas, List<SpriteEntry> sprites)
	{
		// Get the list of sprites we'll be updating
		List<UISpriteData> spriteList = atlas.spriteList;
		List<UISpriteData> kept = new List<UISpriteData>();

		// Run through all the textures we added and add them as sprites to the atlas
		for (int i = 0; i < sprites.Count; ++i)
		{
			SpriteEntry se = sprites[i];
			UISpriteData sprite = AddSprite(spriteList, se);
			kept.Add(sprite);
		}

		// Remove unused sprites
		for (int i = spriteList.Count; i > 0; )
		{
			UISpriteData sp = spriteList[--i];
			if (!kept.Contains(sp)) spriteList.RemoveAt(i);
		}

		// Sort the sprites so that they are alphabetical within the atlas
		atlas.SortAlphabetically();
		atlas.MarkAsChanged();
	}