forked from Mirrors/openclonk
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2011-2016, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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#include "C4Include.h"
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#include "config/C4Reloc.h"
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#include "config/C4Config.h"
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#include "game/C4Application.h"
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C4Reloc Reloc; // singleton
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void C4Reloc::Init()
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{
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Paths.clear();
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// The system folder (i.e. installation path) has higher priority than the user path
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// Although this is counter-intuitive (the user may want to overload system files in the user path),
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// people had trouble when they downloaded e.g. an Objects.ocd file in a network lobby and that copy permanently
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// ruined their OpenClonk installation with no obvious way to fix it.
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// Not even reinstalling would fix the problem because reinstallation does not overwrite user data.
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// We currently don't have any valid case where overloading system files would make sense so just give higher priority to the system path for now.
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#ifndef __APPLE__
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// Add planet subfolder with highest priority because it's used when starting directly from the repository with binaries in the root folder
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StdCopyStrBuf planet(Config.General.ExePath);
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planet.AppendBackslash();
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planet.Append("planet");
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AddPath(planet.getData());
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#endif
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// Add main system path
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AddPath(Config.General.SystemDataPath);
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// Add user path for additional data (player files, user scenarios, etc.)
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AddPath(Config.General.UserDataPath, PATH_PreferredInstallationLocation);
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}
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bool C4Reloc::AddPath(const char* path, PathType pathType)
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{
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if(!IsGlobalPath(path))
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return false;
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if(std::find(Paths.begin(), Paths.end(), path) != Paths.end())
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return false;
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Paths.push_back(PathInfo(StdCopyStrBuf(path), pathType));
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return true;
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}
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C4Reloc::iterator C4Reloc::begin() const
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{
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return Paths.begin();
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}
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C4Reloc::iterator C4Reloc::end() const
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{
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return Paths.end();
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}
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bool C4Reloc::Open(C4Group& hGroup, const char* filename) const
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{
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if(IsGlobalPath(filename)) return hGroup.Open(filename);
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for(iterator iter = begin(); iter != end(); ++iter)
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if(hGroup.Open(((*iter).strBuf + DirSep + filename).getData()))
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return true;
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return false;
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}
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bool C4Reloc::LocateItem(const char* filename, StdStrBuf& str) const
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{
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if(IsGlobalPath(filename))
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{
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str.Copy(filename);
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return true;
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}
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for(iterator iter = begin(); iter != end(); ++iter)
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{
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str.Copy((*iter).strBuf + DirSep + filename);
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if(ItemExists(str.getData()))
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return true;
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}
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return false;
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}
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