std::string Misc::ResourceHelpers::correctResourcePath(const std::string &topLevelDirectory, const std::string &resPath, const VFS::Manager* vfs)
{
/* Bethesda at some point converted all their BSA
* textures from tga to dds for increased load speed, but all
* texture file name references were kept as .tga.
*/
std::string prefix1 = topLevelDirectory + '\\';
std::string prefix2 = topLevelDirectory + '/';
std::string correctedPath = resPath;
Misc::StringUtils::lowerCaseInPlace(correctedPath);
// Apparently, leading separators are allowed
while (correctedPath.size() && (correctedPath[0] == '/' || correctedPath[0] == '\\'))
correctedPath.erase(0, 1);
if(correctedPath.compare(0, prefix1.size(), prefix1.data()) != 0 &&
correctedPath.compare(0, prefix2.size(), prefix2.data()) != 0)
correctedPath = prefix1 + correctedPath;
std::string origExt = correctedPath;
// since we know all (GOTY edition or less) textures end
// in .dds, we change the extension
bool changedToDds = changeExtensionToDds(correctedPath);
if (vfs->exists(correctedPath))
return correctedPath;
// if it turns out that the above wasn't true in all cases (not for vanilla, but maybe mods)
// verify, and revert if false (this call succeeds quickly, but fails slowly)
if (changedToDds && vfs->exists(origExt))
return origExt;
// fall back to a resource in the top level directory if it exists
std::string fallback = topLevelDirectory + "\\" + getBasename(correctedPath);
if (vfs->exists(fallback))
return fallback;
if (changedToDds)
{
fallback = topLevelDirectory + "\\" + getBasename(origExt);
if (vfs->exists(fallback))
return fallback;
}
return correctedPath;
}
std::string Misc::ResourceHelpers::correctResourcePath(const std::string &topLevelDirectory, const std::string &resPath)
{
/* Bethesda at some point converted all their BSA
* textures from tga to dds for increased load speed, but all
* texture file name references were kept as .tga.
*/
std::string prefix1 = topLevelDirectory + '\\';
std::string prefix2 = topLevelDirectory + '/';
std::string correctedPath = resPath;
Misc::StringUtils::toLower(correctedPath);
// Apparently, leading separators are allowed
while (correctedPath.size() && (correctedPath[0] == '/' || correctedPath[0] == '\\'))
correctedPath.erase(0, 1);
if(correctedPath.compare(0, prefix1.size(), prefix1.data()) != 0 &&
correctedPath.compare(0, prefix2.size(), prefix2.data()) != 0)
correctedPath = prefix1 + correctedPath;
std::string origExt = correctedPath;
// since we know all (GOTY edition or less) textures end
// in .dds, we change the extension
if (changeExtensionToDds(correctedPath))
{
// if it turns out that the above wasn't true in all cases (not for vanilla, but maybe mods)
// verify, and revert if false (this call succeeds quickly, but fails slowly)
if(!Ogre::ResourceGroupManager::getSingleton().resourceExistsInAnyGroup(correctedPath))
{
return origExt;
}
}
return correctedPath;
}
