/// <summary>
/// 从资源文件中获取声音资源并返回句柄
/// </summary>
/// <param name="sourceName">资源名称</param>
/// <param name="rtype">资源类型</param>
/// <returns>一个键值对：该音频的内存托管句柄 - 内存长度</returns>
private KeyValuePair <GCHandle?, long> GetMusicGCHandleLengthKVP(string sourceName, ResourceType rtype)
{
if (sourceName == String.Empty)
{
return(new KeyValuePair <GCHandle?, long>(null, 0));
}
string DevURI = null, PackURI = null;
// 处理路径
switch (rtype)
{
case ResourceType.BGM:
DevURI = GlobalConfigContext.DevURI_SO_BGM;
PackURI = GlobalConfigContext.PackURI_SO_BGM;
break;
case ResourceType.BGS:
DevURI = GlobalConfigContext.DevURI_SO_BGS;
PackURI = GlobalConfigContext.PackURI_SO_BGS;
break;
case ResourceType.SE:
DevURI = GlobalConfigContext.DevURI_SO_SE;
PackURI = GlobalConfigContext.PackURI_SO_SE;
break;
case ResourceType.VOCAL:
DevURI = GlobalConfigContext.DevURI_SO_VOCAL;
PackURI = GlobalConfigContext.PackURI_SO_VOCAL;
break;
default:
throw new Exception("调用了音乐获取方法，但却不是获取音乐资源");
}
// 总是先查看是否有为封包的数据
if (this.resourceTable.ContainsKey(DevURI) &&
this.resourceTable[DevURI].ContainsKey(sourceName))
{
var slot = this.resourceTable[DevURI][sourceName];
var sourceLocation = new KeyValuePair <long, long>(slot.Position, slot.Length);
GCHandle ptr = PackageUtils.GetObjectManagedHandle(IOUtils.ParseURItoURL(PackURI + GlobalConfigContext.PackPostfix),
sourceName, sourceLocation.Key, sourceLocation.Value);
return(new KeyValuePair <GCHandle?, long>(ptr, sourceLocation.Value));
}
// 没有封包数据再搜索开发目录
else
{
string furi = IOUtils.JoinPath(GlobalConfigContext.DevURI_RT_SOUND, DevURI, sourceName);
if (File.Exists(IOUtils.ParseURItoURL(furi)))
{
byte[] bytes = File.ReadAllBytes(IOUtils.ParseURItoURL(furi));
return(new KeyValuePair <GCHandle?, long>(GCHandle.Alloc(bytes, GCHandleType.Pinned), bytes.Length));
}
else
{
MessageBox.Show("[错误] 资源文件不存在：" + sourceName);
Director.GetInstance().GetMainRender().Shutdown();
throw new FileNotFoundException();
}
}
}
