mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-15 17:01:28 +00:00
546 lines
16 KiB
C++
546 lines
16 KiB
C++
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010-2019 EDuke32 developers and contributors
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Copyright (C) 2019 Nuke.YKT
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Copyright (C) 2019 Christoph Oelckers
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This is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#include <filesystem>
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#include "i_specialpaths.h"
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#include "compat.h"
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#include "gameconfigfile.h"
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#include "cmdlib.h"
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#include "utf8.h"
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//
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// Search path management
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//
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namespace fs = std::filesystem;
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#ifndef _WIN32
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//-------------------------------------------------------------------------
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//
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//
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//
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//-------------------------------------------------------------------------
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static void G_AddSteamPaths(TArray<FString> &searchpaths, const char *basepath)
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{
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FString path;
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// Duke Nukem 3D: Megaton Edition (Steam)
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path.Format("%s/steamapps/common/Duke Nukem 3D/gameroot", basepath);
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searchpaths.Push(path);
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path.Format("%s/steamapps/common/Duke Nukem 3D/gameroot/addons/dc", basepath);
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searchpaths.Push(path);
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path.Format("%s/steamapps/common/Duke Nukem 3D/gameroot/addons/nw", basepath);
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searchpaths.Push(path);
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path.Format("%s/steamapps/common/Duke Nukem 3D/gameroot/addons/vacation", basepath);
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searchpaths.Push(path);
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// Duke Nukem 3D (3D Realms Anthology (Steam) / Kill-A-Ton Collection 2015)
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#ifdef __APPLE__
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path.Format("%s/steamapps/common/Duke Nukem 3D/Duke Nukem 3D.app/drive_c/Program Files/Duke Nukem 3D", basepath);
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searchpaths.Push(path);
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#endif
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// NAM (Steam)
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#ifdef __APPLE__
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path.Format("%s/steamapps/common/Nam/Nam.app/Contents/Resources/Nam.boxer/C.harddisk/NAM", basepath);
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#else
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path.Format("%s/steamapps/common/Nam/NAM", basepath);
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#endif
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searchpaths.Push(path);
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// WWII GI (Steam)
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path.Format("%s/steamapps/common/World War II GI/WW2GI", basepath);
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searchpaths.Push(path);
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}
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//-------------------------------------------------------------------------
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//
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// A bare-bones "parser" for Valve's KeyValues VDF format.
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// There is no guarantee this will function properly with ill-formed files.
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//
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//-------------------------------------------------------------------------
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static void KeyValues_SkipWhitespace(char **vdfbuf, char * const vdfbufend)
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{
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while (((*vdfbuf)[0] == ' ' || (*vdfbuf)[0] == '\n' || (*vdfbuf)[0] == '\r' || (*vdfbuf)[0] == '\t' || (*vdfbuf)[0] == '\0') && *vdfbuf < vdfbufend)
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(*vdfbuf)++;
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// comments
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if ((*vdfbuf) + 2 < vdfbufend && (*vdfbuf)[0] == '/' && (*vdfbuf)[1] == '/')
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{
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while ((*vdfbuf)[0] != '\n' && (*vdfbuf)[0] != '\r' && *vdfbuf < vdfbufend)
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(*vdfbuf)++;
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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}
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}
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static void KeyValues_SkipToEndOfQuotedToken(char **vdfbuf, char * const vdfbufend)
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{
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(*vdfbuf)++;
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while ((*vdfbuf)[0] != '\"' && (*vdfbuf)[-1] != '\\' && *vdfbuf < vdfbufend)
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(*vdfbuf)++;
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}
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static void KeyValues_SkipToEndOfUnquotedToken(char **vdfbuf, char * const vdfbufend)
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{
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while ((*vdfbuf)[0] != ' ' && (*vdfbuf)[0] != '\n' && (*vdfbuf)[0] != '\r' && (*vdfbuf)[0] != '\t' && (*vdfbuf)[0] != '\0' && *vdfbuf < vdfbufend)
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(*vdfbuf)++;
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}
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static void KeyValues_SkipNextWhatever(char **vdfbuf, char * const vdfbufend)
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{
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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if (*vdfbuf == vdfbufend)
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return;
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if ((*vdfbuf)[0] == '{')
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{
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(*vdfbuf)++;
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do
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{
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KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
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}
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while ((*vdfbuf)[0] != '}');
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(*vdfbuf)++;
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}
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else if ((*vdfbuf)[0] == '\"')
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KeyValues_SkipToEndOfQuotedToken(vdfbuf, vdfbufend);
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else if ((*vdfbuf)[0] != '}')
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KeyValues_SkipToEndOfUnquotedToken(vdfbuf, vdfbufend);
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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}
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static char* KeyValues_NormalizeToken(char **vdfbuf, char * const vdfbufend)
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{
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char *token = *vdfbuf;
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if ((*vdfbuf)[0] == '\"' && *vdfbuf < vdfbufend)
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{
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token++;
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KeyValues_SkipToEndOfQuotedToken(vdfbuf, vdfbufend);
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(*vdfbuf)[0] = '\0';
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// account for escape sequences
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char *writeseeker = token, *readseeker = token;
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while (readseeker <= *vdfbuf)
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{
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if (readseeker[0] == '\\')
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readseeker++;
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writeseeker[0] = readseeker[0];
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writeseeker++;
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readseeker++;
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}
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return token;
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}
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KeyValues_SkipToEndOfUnquotedToken(vdfbuf, vdfbufend);
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(*vdfbuf)[0] = '\0';
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return token;
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}
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static void KeyValues_FindKey(char **vdfbuf, char * const vdfbufend, const char *token)
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{
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char *ParentKey = KeyValues_NormalizeToken(vdfbuf, vdfbufend);
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if (token != NULL) // pass in NULL to find the next key instead of a specific one
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while (Bstrcmp(ParentKey, token) != 0 && *vdfbuf < vdfbufend)
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{
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KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
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ParentKey = KeyValues_NormalizeToken(vdfbuf, vdfbufend);
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}
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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}
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static int32_t KeyValues_FindParentKey(char **vdfbuf, char * const vdfbufend, const char *token)
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{
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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// end of scope
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if ((*vdfbuf)[0] == '}')
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return 0;
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KeyValues_FindKey(vdfbuf, vdfbufend, token);
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// ignore the wrong type
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while ((*vdfbuf)[0] != '{' && *vdfbuf < vdfbufend)
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{
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KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
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KeyValues_FindKey(vdfbuf, vdfbufend, token);
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}
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if (*vdfbuf == vdfbufend)
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return 0;
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return 1;
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}
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static char* KeyValues_FindKeyValue(char **vdfbuf, char * const vdfbufend, const char *token)
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{
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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// end of scope
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if ((*vdfbuf)[0] == '}')
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return NULL;
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KeyValues_FindKey(vdfbuf, vdfbufend, token);
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// ignore the wrong type
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while ((*vdfbuf)[0] == '{' && *vdfbuf < vdfbufend)
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{
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KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
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KeyValues_FindKey(vdfbuf, vdfbufend, token);
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}
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KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
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if (*vdfbuf == vdfbufend)
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return NULL;
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return KeyValues_NormalizeToken(vdfbuf, vdfbufend);
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}
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//-------------------------------------------------------------------------
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//
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//
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//
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//-------------------------------------------------------------------------
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static void G_ParseSteamKeyValuesForPaths(TArray<FString> &searchpaths, const char *vdf)
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{
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FileReader fr;
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if (fr.Open(vdf))
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{
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auto data = fr.Read();
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if (data.Size() == 0) return;
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}
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auto vdfvuf = (char*)data.Data();
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auto vdfbufend = vdfbuf + data.Size();
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if (KeyValues_FindParentKey(&vdfbuf, vdfbufend, "LibraryFolders"))
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{
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char *result;
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vdfbuf++;
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while ((result = KeyValues_FindKeyValue(&vdfbuf, vdfbufend, NULL)) != NULL)
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G_AddSteamPaths(searchpaths, result);
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}
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}
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#endif
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#if defined (__FreeBSD__) || defined(__OpenBSD__) || defined (__linux__)
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//-------------------------------------------------------------------------
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//
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//
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//
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//-------------------------------------------------------------------------
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void G_AddExternalSearchPaths(TArray<FString> &searchpaths)
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{
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FString path;
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char *homepath = Bgethomedir();
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path.Format("%s/.steam/steam", homepath);
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G_AddSteamPaths(searchpaths, buf);
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path.Format("%s/.steam/steam/steamapps/libraryfolders.vdf", homepath);
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G_ParseSteamKeyValuesForPaths(searchpaths, buf);
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}
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#elif defined __APPLE__
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//-------------------------------------------------------------------------
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//
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//
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//
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//-------------------------------------------------------------------------
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void G_AddExternalSearchPaths(TArray<FString> &searchpaths)
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{
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char *applications[] = { osx_getapplicationsdir(0), osx_getapplicationsdir(1) };
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char *support[] = { osx_getsupportdir(0), osx_getsupportdir(1) };
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FString path;
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char buf[BMAX_PATH];
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int32_t i;
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for (i = 0; i < 2; i++)
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{
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path.Format("%s/Steam", support[i]);
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G_AddSteamPaths(searchpaths, buf);
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path.Format("%s/Steam/steamapps/libraryfolders.vdf", support[i]);
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G_ParseSteamKeyValuesForPaths(searchpaths, buf);
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// Duke Nukem 3D: Atomic Edition (GOG.com)
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path.Format("%s/Duke Nukem 3D.app/Contents/Resources/Duke Nukem 3D.boxer/C.harddisk", applications[i]);
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searchpaths.Push(path);
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}
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for (i = 0; i < 2; i++)
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{
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Xfree(applications[i]);
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Xfree(support[i]);
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}
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}
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#elif defined (_WIN32)
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//-------------------------------------------------------------------------
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//
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//
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//
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//-------------------------------------------------------------------------
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void G_AddExternalSearchPaths(TArray<FString> &searchpaths)
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{
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char buf[BMAX_PATH] = {0};
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DWORD bufsize;
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// Duke Nukem 3D: 20th Anniversary World Tour (Steam)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 434050)", "InstallLocation", buf, &bufsize))
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{
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searchpaths.Push(buf);
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}
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// Duke Nukem 3D: Megaton Edition (Steam)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 225140)", "InstallLocation", buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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size_t const remaining = sizeof(buf) - bufsize;
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strncpy(suffix, "/gameroot", remaining);
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searchpaths.Push(buf);
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strncpy(suffix, "/gameroot/addons/dc", remaining);
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searchpaths.Push(buf);
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strncpy(suffix, "/gameroot/addons/nw", remaining);
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searchpaths.Push(buf);
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strncpy(suffix, "/gameroot/addons/vacation", remaining);
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searchpaths.Push(buf);
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}
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// Duke Nukem 3D (3D Realms Anthology (Steam) / Kill-A-Ton Collection 2015)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 359850)", "InstallLocation", buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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size_t const remaining = sizeof(buf) - bufsize;
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strncpy(suffix, "/Duke Nukem 3D", remaining);
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searchpaths.Push(buf);
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}
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// Duke Nukem 3D: Atomic Edition (GOG.com)
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bufsize = sizeof(buf);
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if (ReadRegistryValue("SOFTWARE\\GOG.com\\GOGDUKE3D", "PATH", buf, &bufsize))
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{
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searchpaths.Push(buf);
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}
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// Duke Nukem 3D (3D Realms Anthology)
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bufsize = sizeof(buf);
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if (ReadRegistryValue("SOFTWARE\\3DRealms\\Duke Nukem 3D", NULL, buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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size_t const remaining = sizeof(buf) - bufsize;
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strncpy(suffix, "/Duke Nukem 3D", remaining);
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searchpaths.Push(buf);
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}
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// 3D Realms Anthology
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bufsize = sizeof(buf);
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if (ReadRegistryValue("SOFTWARE\\3DRealms\\Anthology", NULL, buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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size_t const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/Duke Nukem 3D", remaining);
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searchpaths.Push(buf);
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}
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// NAM (Steam)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 329650)", "InstallLocation", buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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size_t const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/NAM", remaining);
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searchpaths.Push(buf);
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}
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// WWII GI (Steam)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 376750)", "InstallLocation", buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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size_t const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/WW2GI", remaining);
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searchpaths.Push(buf);
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}
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// Redneck Rampage (GOG.com)
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bufsize = sizeof(buf);
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if (ReadRegistryValue("SOFTWARE\\GOG.com\\GOGREDNECKRAMPAGE", "PATH", buf, &bufsize))
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{
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searchpaths.Push(buf);
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}
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// Redneck Rampage Rides Again (GOG.com)
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bufsize = sizeof(buf);
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if (ReadRegistryValue("SOFTWARE\\GOG.com\\GOGCREDNECKRIDESAGAIN", "PATH", buf, &bufsize))
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{
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searchpaths.Push(buf);
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}
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// Blood: One Unit Whole Blood (Steam)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 299030)", "InstallLocation", buf, &bufsize))
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{
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searchpaths.Push(buf);
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}
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// Blood: One Unit Whole Blood (GOG.com)
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bufsize = sizeof(buf);
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if (ReadRegistryValue("SOFTWARE\\GOG.com\\GOGONEUNITONEBLOOD", "PATH", buf, &bufsize))
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{
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searchpaths.Push(buf);
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}
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// Blood: Fresh Supply (Steam)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 1010750)", "InstallLocation", buf, &bufsize))
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{
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searchpaths.Push(buf);
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strncat(buf, R"(\addons\Cryptic Passage)", 23);
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searchpaths.Push(buf);
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}
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// Blood: Fresh Supply (GOG.com)
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bufsize = sizeof(buf);
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if (ReadRegistryValue(R"(SOFTWARE\Wow6432Node\GOG.com\Games\1374469660)", "path", buf, &bufsize))
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{
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searchpaths.Push(buf);
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strncat(buf, R"(\addons\Cryptic Passage)", 23);
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searchpaths.Push(buf);
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}
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}
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#endif
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//==========================================================================
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//
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// Windows version
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//
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//==========================================================================
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void CollectSubdirectories(TArray<FString> &searchpath, const char *dirmatch)
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{
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try
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{
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FString dirpath = MakeUTF8(dirmatch); // convert into clean UTF-8
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dirpath.Truncate(dirpath.Len() - 1); // remove the '*'
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fs::path path = fs::u8path(dirpath.GetChars());
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if (fs::exists(path) && fs::is_directory(path))
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{
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for (const auto& entry : fs::directory_iterator(path))
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{
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if (fs::is_directory(entry.status()))
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{
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auto filename = entry.path().filename().u8string();
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FString newdir = dirpath + filename.c_str();
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searchpath.Push(newdir);
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}
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}
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}
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}
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catch (fs::filesystem_error &)
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{
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// Just ignore this path if it caused an error.
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}
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}
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//==========================================================================
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//
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// CollectSearchPaths
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//
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// collect all paths in a local array for easier management
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//
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//==========================================================================
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TArray<FString> CollectSearchPaths()
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{
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TArray<FString> searchpaths;
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if (GameConfig->SetSection("GameSearch.Directories"))
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{
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const char *key;
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const char *value;
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while (GameConfig->NextInSection(key, value))
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{
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if (stricmp(key, "Path") == 0)
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{
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FString nice = NicePath(value);
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|
if (nice.Len() > 0)
|
|
{
|
|
#ifdef _WIN32
|
|
if (isalpha(nice[0] && nice[1] == ':' && nice[2] != '/')) continue; // ignore drive relative paths because they are meaningless.
|
|
#endif
|
|
// A path ending with "/*" means to add all subdirectories.
|
|
if (nice[nice.Len()-2] == '/' && nice[nice.Len()-1] == '*')
|
|
{
|
|
CollectSubdirectories(searchpaths, nice);
|
|
}
|
|
// Checking Steam via a list entry allows easy removal if not wanted.
|
|
else if (nice.CompareNoCase("$STEAM") == 0)
|
|
{
|
|
G_AddExternalSearchPaths(searchpaths);
|
|
}
|
|
else
|
|
{
|
|
searchpaths.Push(nice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Unify and remove trailing slashes
|
|
for (auto &str : searchpaths)
|
|
{
|
|
str.Substitute("\\", "/");
|
|
str.Substitute("//", "/"); // Double slashes can happen when constructing paths so just get rid of them here.
|
|
if (str.Back() == '/') str.Truncate(str.Len() - 1);
|
|
}
|
|
return searchpaths;
|
|
}
|
|
|