/// <summary>
/// 从资源文件中获取图片资源并返回精灵对象
/// </summary>
/// <param name="sourceName">资源名称</param>
/// <param name="rtype">资源类型</param>
/// <param name="cutRect">纹理切割矩</param>
/// <returns>该资源的精灵</returns>
private YuriSprite GetGraphicSprite(string sourceName, ResourceType rtype, Int32Rect? cutRect)
{
if (sourceName == "") { return null; }
YuriSprite sprite = new YuriSprite();
string DevURI = null, PackURI = null;
// 处理路径
switch (rtype)
{
case ResourceType.Background:
DevURI = GlobalDataContainer.DevURI_PA_BACKGROUND;
PackURI = GlobalDataContainer.PackURI_PA_BACKGROUND;
break;
case ResourceType.Stand:
DevURI = GlobalDataContainer.DevURI_PA_CHARASTAND;
PackURI = GlobalDataContainer.PackURI_PA_CHARASTAND;
break;
case ResourceType.Pictures:
DevURI = GlobalDataContainer.DevURI_PA_PICTURES;
PackURI = GlobalDataContainer.PackURI_PA_PICTURES;
break;
default:
return null;
}
// 总是先查看是否有为封包的数据
if (this.resourceTable.ContainsKey(DevURI) &&
this.resourceTable[DevURI].ContainsKey(sourceName))
{
KeyValuePair<long, long> sourceLocation = this.resourceTable[DevURI][sourceName];
byte[] ob = PackageUtils.GetObjectBytes(IOUtils.ParseURItoURL(PackURI + GlobalDataContainer.PackPostfix),
sourceName, sourceLocation.Key, sourceLocation.Value);
MemoryStream ms = new MemoryStream(ob);
sprite.Init(sourceName, rtype, ms, cutRect);
}
// 没有封包数据再搜索开发目录
else
{
string furi = IOUtils.JoinPath(GlobalDataContainer.DevURI_RT_PICTUREASSETS, DevURI, sourceName);
if (File.Exists(IOUtils.ParseURItoURL(furi)))
{
Uri bg = new Uri(IOUtils.ParseURItoURL(furi), UriKind.RelativeOrAbsolute);
sprite.Init(sourceName, rtype, bg, cutRect);
}
else
{
throw new Exception("文件不存在：" + sourceName);
}
}
return sprite;
}
