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129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
#include "resourcehelpers.hpp"
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#include <sstream>
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#include <components/misc/stringops.hpp>
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#include <components/vfs/manager.hpp>
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namespace
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{
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struct MatchPathSeparator
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{
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bool operator()( char ch ) const
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{
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return ch == '\\' || ch == '/';
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}
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};
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std::string
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getBasename( std::string const& pathname )
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{
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return std::string(
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std::find_if( pathname.rbegin(), pathname.rend(),
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MatchPathSeparator() ).base(),
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pathname.end() );
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}
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}
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bool Misc::ResourceHelpers::changeExtensionToDds(std::string &path)
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{
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std::string::size_type pos = path.rfind('.');
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if(pos != std::string::npos && path.compare(pos, path.length() - pos, ".dds") != 0)
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{
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path.replace(pos, path.length(), ".dds");
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return true;
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}
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return false;
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}
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std::string Misc::ResourceHelpers::correctResourcePath(const std::string &topLevelDirectory, const std::string &resPath, const VFS::Manager* vfs)
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{
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/* Bethesda at some point converted all their BSA
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* textures from tga to dds for increased load speed, but all
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* texture file name references were kept as .tga.
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*/
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std::string prefix1 = topLevelDirectory + '\\';
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std::string prefix2 = topLevelDirectory + '/';
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std::string correctedPath = resPath;
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Misc::StringUtils::lowerCaseInPlace(correctedPath);
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// Apparently, leading separators are allowed
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while (correctedPath.size() && (correctedPath[0] == '/' || correctedPath[0] == '\\'))
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correctedPath.erase(0, 1);
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if(correctedPath.compare(0, prefix1.size(), prefix1.data()) != 0 &&
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correctedPath.compare(0, prefix2.size(), prefix2.data()) != 0)
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correctedPath = prefix1 + correctedPath;
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std::string origExt = correctedPath;
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if (vfs->exists(origExt)
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|| (changeExtensionToDds(correctedPath) && vfs->exists(correctedPath)))
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return correctedPath;
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// fall back to a resource in the top level directory if it exists
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std::string fallback = topLevelDirectory + "\\" + getBasename(origExt);
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if (vfs->exists(fallback)
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|| (changeExtensionToDds(fallback) && vfs->exists(fallback)))
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return fallback;
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return correctedPath;
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}
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std::string Misc::ResourceHelpers::correctTexturePath(const std::string &resPath, const VFS::Manager* vfs)
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{
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static const std::string dir = "textures";
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return correctResourcePath(dir, resPath, vfs);
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}
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std::string Misc::ResourceHelpers::correctIconPath(const std::string &resPath, const VFS::Manager* vfs)
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{
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static const std::string dir = "icons";
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return correctResourcePath(dir, resPath, vfs);
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}
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std::string Misc::ResourceHelpers::correctBookartPath(const std::string &resPath, const VFS::Manager* vfs)
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{
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static const std::string dir = "bookart";
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std::string image = correctResourcePath(dir, resPath, vfs);
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return image;
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}
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std::string Misc::ResourceHelpers::correctBookartPath(const std::string &resPath, int width, int height, const VFS::Manager* vfs)
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{
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std::string image = correctBookartPath(resPath, vfs);
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// Apparently a bug with some morrowind versions, they reference the image without the size suffix.
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// So if the image isn't found, try appending the size.
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if (!vfs->exists(image))
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{
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std::stringstream str;
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str << image.substr(0, image.rfind('.')) << "_" << width << "_" << height << image.substr(image.rfind('.'));
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image = Misc::ResourceHelpers::correctBookartPath(str.str(), vfs);
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}
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return image;
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}
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std::string Misc::ResourceHelpers::correctActorModelPath(const std::string &resPath, const VFS::Manager* vfs)
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{
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std::string mdlname = resPath;
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std::string::size_type p = mdlname.find_last_of("/\\");
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if(p != std::string::npos)
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mdlname.insert(mdlname.begin()+p+1, 'x');
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else
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mdlname.insert(mdlname.begin(), 'x');
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if(!vfs->exists(mdlname))
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{
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return resPath;
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}
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return mdlname;
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}
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