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#include <cstdlib> |
#include <cstdlib> |
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#include <iostream> |
#include <iostream> |
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#include <dirent.h> |
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#include <sys/stat.h> |
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#include "base/paths.h" |
#include "base/paths.h" |
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} |
} |
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// initialize data search paths |
// initialize data search paths |
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void paths::init (const std::string & game, const std::string & userdatadir) |
bool paths::init (const std::string & game, const std::string & userdatadir) |
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{ |
{ |
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// no save game directory unless we actually load a game |
// no save game directory unless we actually load a game |
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SaveDataDir = ""; |
IncludeSaveDir = false; |
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IncludeUserDir = false; |
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// set OS specific directory containing configuration and saved games |
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#if defined(__APPLE__) // OSX |
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CfgDataDir = string (getenv ("HOME")) + "/Library/Adonthell/"; |
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#elif defined (WIN32) // Windows |
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CfgDataDir = "./"; |
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#else // Unix |
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CfgDataDir = string (getenv ("HOME")) + "/.adonthell/"; |
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#endif |
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#ifndef WIN32 |
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// make sure configuration directory exists, otherwise create is |
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if (!exists (CfgDataDir)) mkdir (CfgDataDir.c_str (), 0700); |
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#endif |
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// user data dir might be optional |
// user data dir might be optional |
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UserDataDir = userdatadir; |
UserDataDir = userdatadir; |
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if (UserDataDir != "") |
if (UserDataDir != "") |
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{ |
{ |
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if (UserDataDir[UserDataDir.size () - 1] != '/') UserDataDir += "/"; |
if (UserDataDir[UserDataDir.size () - 1] != '/') UserDataDir += "/"; |
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UserDataDir += game; |
UserDataDir += game + "/"; |
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// make sure the given user data dir is actually accessible |
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if (exists (UserDataDir)) IncludeUserDir = true; |
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} |
} |
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// builtin data directory |
// builtin data directory |
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GameDataDir = DATA_DIR; |
GameDataDir = DATA_DIR; |
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GameDataDir += "/games/"; |
GameDataDir += "/games/"; |
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GameDataDir += game; |
GameDataDir += game + "/"; |
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// make sure game data dir exists |
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return exists (GameDataDir); |
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} |
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// set path to saved game |
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void paths::set_save_dir (const std::string & dir) |
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{ |
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if (dir != "" && exists (CfgDataDir + dir)) |
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{ |
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SaveDataDir = CfgDataDir + dir; |
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IncludeSaveDir = true; |
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} |
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else |
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{ |
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IncludeSaveDir = false; |
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SaveDataDir = ""; |
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} |
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} |
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// open the specified file |
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bool paths::open (igzstream & file, const std::string & path) |
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{ |
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if (file.is_open ()) file.close (); |
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if (IncludeSaveDir && file.open (SaveDataDir + path)) return true; |
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if (IncludeUserDir && file.open (UserDataDir + path)) return true; |
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if (file.open (GameDataDir + path)) return true; |
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fprintf (stderr, "*** paths::open: file '%s' does not exist in search path:\n", path.c_str ()); |
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if (IncludeSaveDir) fprintf (stderr, " - %s\n", SaveDataDir.c_str ()); |
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if (IncludeUserDir) fprintf (stderr, " - %s\n", UserDataDir.c_str ()); |
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fprintf (stderr, " - %s\n", GameDataDir.c_str ()); |
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return false; |
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} |
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// check whether given path exists at all |
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bool paths::exists (const std::string & path) |
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{ |
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DIR *dir = opendir (path.c_str ()); |
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if (dir != NULL) |
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{ |
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closedir (dir); |
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return true; |
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} |
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// dir doesn't exist or not enough privileges ... |
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fprintf (stderr, "*** warning: directory '%s' cannot be accessed!\n", path.c_str ()); |
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return false; |
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} |
} |