/**
* @brief Return stored timestamp if exists, or retrieve it from hard-drive.
*
* @param _asset Asset in question.
* @return Universal time when the asset's original file was last written to.
*
*/
public static long GetTimestamp(Object _asset)
{
AssetMetaInfo info = new AssetMetaInfo();
GetInfo(AssetDatabase.GetAssetPath(_asset), ref info);
return(info.timestamp);
}
static void FetchData(string _assetPath, ref AssetMetaInfo _info)
{
try {
//_info.timestamp = File.GetLastWriteTime(_assetPath).ToFileTimeUtc();
}
catch (Exception e) {
_info.timestamp = 0;
Debug.LogError(LOG_TAG + "Failed to retrieve meta data for '" + _assetPath + "'! Defaults returned. Reason: " + e.ToString());
}
}
/**
* @brief Update stored information if already present. This is called by an
* appropriate AssetPostprocessor.
*
* @param _assetPath Asset to update.
*
*/
public static void UpdateMetaInfo(string _assetPath)
{
if (!initialised)
{
return;
}
string guid = AssetDatabase.AssetPathToGUID(_assetPath);
if (infoTable.ContainsKey(guid))
{
AssetMetaInfo info = new AssetMetaInfo();
FetchData(_assetPath, ref info);
infoTable[guid] = info;
}
}
static void GetInfo(string _assetPath, ref AssetMetaInfo _info)
{
if (!initialised)
{
Init();
}
string guid = AssetDatabase.AssetPathToGUID(_assetPath);
if (infoTable.ContainsKey(guid))
{
// cache hit
_info = infoTable[guid];
}
else
{
// cache miss
FetchData(_assetPath, ref _info);
infoTable[guid] = _info;
}
}
/**
* @brief Update stored information if already present. This is called by an
* appropriate AssetPostprocessor.
*
* @param _assetPath Asset to update.
*
*/
public static void UpdateMetaInfo(string _assetPath)
{
if (! initialised) {
return;
}
string guid = AssetDatabase.AssetPathToGUID(_assetPath);
if (infoTable.ContainsKey(guid)) {
AssetMetaInfo info = new AssetMetaInfo();
FetchData(_assetPath, ref info);
infoTable[guid] = info;
}
}
/**
* @brief Return stored timestamp if exists, or retrieve it from hard-drive.
*
* @param _asset Asset in question.
* @return Universal time when the asset's original file was last written to.
*
*/
public static long GetTimestamp(Object _asset)
{
AssetMetaInfo info = new AssetMetaInfo();
GetInfo(AssetDatabase.GetAssetPath(_asset), ref info);
return info.timestamp;
}
static void GetInfo(string _assetPath, ref AssetMetaInfo _info)
{
if (! initialised) {
Init();
}
string guid = AssetDatabase.AssetPathToGUID(_assetPath);
if (infoTable.ContainsKey(guid)) {
// cache hit
_info = infoTable[guid];
}
else {
// cache miss
FetchData(_assetPath, ref _info);
infoTable[guid] = _info;
}
}
static void FetchData(string _assetPath, ref AssetMetaInfo _info)
{
try {
_info.timestamp = File.GetLastWriteTime(_assetPath).ToFileTimeUtc();
}
catch (Exception e) {
_info.timestamp = 0;
Debug.LogError(LOG_TAG + "Failed to retrieve meta data for '" + _assetPath + "'! Defaults returned. Reason: " + e.ToString());
}
}