2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "environment.h"
23 #include "globaldefs.h"
25 #include "stream/textstream.h"
26 #include "string/string.h"
27 #include "stream/stringstream.h"
28 #include "debugging/debugging.h"
36 void args_init( int argc, char const* argv[] ){
39 for ( i = 1; i < argc; i++ )
41 for ( k = i; k < argc; k++ )
50 for ( j = i + k; j < argc; j++ )
52 argv[j - k] = argv[j];
62 char const *gamedetect_argv_buffer[1024];
64 void gamedetect_found_game( char const *game, char *path ){
68 if ( g_argv == gamedetect_argv_buffer ) {
72 globalOutputStream() << "Detected game " << game << " in " << path << "\n";
74 sprintf( buf, "-%s-EnginePath", game );
76 gamedetect_argv_buffer[argc++] = "-global-gamefile";
77 gamedetect_argv_buffer[argc++] = game;
78 gamedetect_argv_buffer[argc++] = buf;
79 gamedetect_argv_buffer[argc++] = path;
80 if ( (size_t) ( argc + g_argc ) >= sizeof( gamedetect_argv_buffer ) / sizeof( *gamedetect_argv_buffer ) - 1 ) {
81 g_argc = sizeof( gamedetect_argv_buffer ) / sizeof( *gamedetect_argv_buffer ) - g_argc - 1;
83 memcpy( gamedetect_argv_buffer + 4, g_argv, sizeof( *gamedetect_argv_buffer ) * g_argc );
85 g_argv = gamedetect_argv_buffer;
88 bool gamedetect_check_game( char const *gamefile, const char *checkfile1, const char *checkfile2, char *buf /* must have 64 bytes free after bufpos */, int bufpos ){
91 strcpy( buf + bufpos + 1, checkfile1 );
92 globalOutputStream() << "Checking for a game file in " << buf << "\n";
93 if ( !file_exists( buf ) ) {
98 strcpy( buf + bufpos + 1, checkfile2 );
99 globalOutputStream() << "Checking for a game file in " << buf << "\n";
100 if ( !file_exists( buf ) ) {
106 gamedetect_found_game( gamefile, buf );
111 // if we're inside a Nexuiz install
112 // default to nexuiz.game (unless the user used an option to inhibit this)
113 bool nogamedetect = false;
115 for ( i = 1; i < g_argc - 1; ++i )
117 if ( g_argv[i][0] == '-' ) {
118 if ( !strcmp( g_argv[i], "-gamedetect" ) ) {
119 nogamedetect = !strcmp( g_argv[i + 1], "false" );
124 if ( !nogamedetect ) {
125 static char buf[1024 + 64];
126 strncpy( buf, environment_get_app_path(), sizeof( buf ) );
127 buf[sizeof( buf ) - 1 - 64] = 0;
128 if ( !strlen( buf ) ) {
132 char *p = buf + strlen( buf ) - 1; // point directly on the slash of get_app_path
135 // TODO add more games to this
137 // try to detect Nexuiz installs
139 if ( gamedetect_check_game( "nexuiz.game", "data/common-spog.pk3", "nexuiz.exe", buf, p - buf ) )
141 if ( gamedetect_check_game( "nexuiz.game", "data/common-spog.pk3", "Nexuiz.app/Contents/Info.plist", buf, p - buf ) )
143 if ( gamedetect_check_game( "nexuiz.game", "data/common-spog.pk3", "nexuiz-linux-glx.sh", buf, p - buf ) )
147 // try to detect Quetoo installs
148 if ( gamedetect_check_game( "quetoo.game", "default/icons/quetoo.png", NULL, buf, p - buf ) ) {
152 // try to detect Warsow installs
153 if ( gamedetect_check_game( "warsow.game", "basewsw/dedicated_autoexec.cfg", NULL, buf, p - buf ) ) {
160 while ( p != buf && *p != '/' && *p != '\\' )
168 CopiedString home_path;
169 CopiedString app_path;
170 CopiedString lib_path;
171 CopiedString data_path;
174 const char* environment_get_home_path(){
175 return home_path.c_str();
178 const char* environment_get_app_path(){
179 return app_path.c_str();
183 const char *environment_get_lib_path()
185 return lib_path.c_str();
188 const char *environment_get_data_path()
190 return data_path.c_str();
193 bool portable_app_setup(){
194 StringOutputStream confdir( 256 );
195 confdir << app_path.c_str() << "settings/";
196 if ( file_is_directory( confdir.c_str() ) ) {
197 home_path = confdir.c_str();
211 const char* LINK_NAME =
214 #else // FreeBSD and OSX
219 /// brief Returns the filename of the executable belonging to the current process, or 0 if not found.
220 char const* getexename( char *buf ){
221 /* Now read the symbolic link */
222 int ret = readlink( LINK_NAME, buf, PATH_MAX );
225 globalOutputStream() << "getexename: falling back to argv[0]: " << makeQuoted( g_argv[0] );
226 const char* path = realpath( g_argv[0], buf );
228 /* In case of an error, leave the handling up to the caller */
233 /* Ensure proper NUL termination */
236 /* delete the program name */
237 *( strrchr( buf, '/' ) ) = '\0';
239 // NOTE: we build app path with a trailing '/'
240 // it's a general convention in Radiant to have the slash at the end of directories
241 if ( buf[strlen( buf ) - 1] != '/' ) {
248 void environment_init( int argc, char const* argv[] ){
249 // Give away unnecessary root privileges.
250 // Important: must be done before calling gtk_init().
254 if ( geteuid() == 0 && ( loginname = getlogin() ) != 0 &&
255 ( pw = getpwnam( loginname ) ) != 0 ) {
256 setuid( pw->pw_uid );
259 args_init( argc, argv );
263 app_path = getexename( real );
264 ASSERT_MESSAGE( !string_empty( app_path.c_str() ), "failed to deduce app path" );
268 StringOutputStream buffer;
269 buffer << app_path.c_str() << "../lib/" << RADIANT_BASENAME << "/";
270 if ( file_is_directory( buffer.c_str() ) ) {
271 lib_path = buffer.c_str();
274 lib_path = app_path.c_str();
279 StringOutputStream buffer;
280 buffer << app_path.c_str() << "../share/" << RADIANT_BASENAME << "/";
281 if ( file_is_directory( buffer.c_str() ) ) {
282 data_path = buffer.c_str();
285 data_path = app_path.c_str();
289 if ( !portable_app_setup() ) {
290 StringOutputStream home( 256 );
291 home << DirectoryCleaned(g_get_user_config_dir()) << "/" << RADIANT_BASENAME << "/";
292 Q_mkdir( home.c_str() );
293 home_path = home.c_str();
298 #elif GDEF_OS_WINDOWS
302 void environment_init( int argc, char const* argv[] ){
303 args_init( argc, argv );
306 // get path to the editor
307 char filename[MAX_PATH + 1];
308 GetModuleFileName( 0, filename, MAX_PATH );
309 char* last_separator = strrchr( filename, '\\' );
310 if ( last_separator != 0 ) {
311 *( last_separator + 1 ) = '\0';
317 StringOutputStream app( 256 );
318 app << PathCleaned( filename );
319 app_path = app.c_str();
322 data_path = app_path;
325 if ( !portable_app_setup() ) {
326 char *appdata = getenv( "APPDATA" );
327 StringOutputStream home( 256 );
328 home << PathCleaned( appdata );
329 home << "/NetRadiantSettings/";
330 Q_mkdir( home.c_str() );
331 home_path = home.c_str();
337 #error "unsupported platform"