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++ )
48 for ( j = i + k; j < argc; j++ )
49 argv[j - k] = argv[j];
58 char const *gamedetect_argv_buffer[1024];
59 void gamedetect_found_game( char const *game, char *path ){
63 if ( g_argv == gamedetect_argv_buffer ) {
67 globalOutputStream() << "Detected game " << game << " in " << path << "\n";
69 sprintf( buf, "-%s-EnginePath", game );
71 gamedetect_argv_buffer[argc++] = "-global-gamefile";
72 gamedetect_argv_buffer[argc++] = game;
73 gamedetect_argv_buffer[argc++] = buf;
74 gamedetect_argv_buffer[argc++] = path;
75 if ( (size_t) ( argc + g_argc ) >= sizeof( gamedetect_argv_buffer ) / sizeof( *gamedetect_argv_buffer ) - 1 ) {
76 g_argc = sizeof( gamedetect_argv_buffer ) / sizeof( *gamedetect_argv_buffer ) - g_argc - 1;
78 memcpy( gamedetect_argv_buffer + 4, g_argv, sizeof( *gamedetect_argv_buffer ) * g_argc );
80 g_argv = gamedetect_argv_buffer;
83 bool gamedetect_check_game( char const *gamefile, const char *checkfile1, const char *checkfile2, char *buf /* must have 64 bytes free after bufpos */, int bufpos ){
86 strcpy( buf + bufpos + 1, checkfile1 );
87 globalOutputStream() << "Checking for a game file in " << buf << "\n";
88 if ( !file_exists( buf ) ) {
93 strcpy( buf + bufpos + 1, checkfile2 );
94 globalOutputStream() << "Checking for a game file in " << buf << "\n";
95 if ( !file_exists( buf ) ) {
101 gamedetect_found_game( gamefile, buf );
106 // if we're inside a Nexuiz install
107 // default to nexuiz.game (unless the user used an option to inhibit this)
108 bool nogamedetect = false;
110 for ( i = 1; i < g_argc - 1; ++i )
111 if ( g_argv[i][0] == '-' ) {
112 if ( !strcmp( g_argv[i], "-gamedetect" ) ) {
113 nogamedetect = !strcmp( g_argv[i + 1], "false" );
117 if ( !nogamedetect ) {
118 static char buf[1024 + 64];
119 strncpy( buf, environment_get_app_path(), sizeof( buf ) );
120 buf[sizeof( buf ) - 1 - 64] = 0;
121 if ( !strlen( buf ) ) {
125 char *p = buf + strlen( buf ) - 1; // point directly on the slash of get_app_path
128 // TODO add more games to this
130 // try to detect Nexuiz installs
132 if ( gamedetect_check_game( "nexuiz.game", "data/common-spog.pk3", "nexuiz.exe", buf, p - buf ) )
134 if ( gamedetect_check_game( "nexuiz.game", "data/common-spog.pk3", "Nexuiz.app/Contents/Info.plist", buf, p - buf ) )
136 if ( gamedetect_check_game( "nexuiz.game", "data/common-spog.pk3", "nexuiz-linux-glx.sh", buf, p - buf ) )
140 // try to detect Quetoo installs
141 if ( gamedetect_check_game( "quetoo.game", "default/icons/quetoo.png", NULL, buf, p - buf ) ) {
145 // try to detect Warsow installs
146 if ( gamedetect_check_game( "warsow.game", "basewsw/dedicated_autoexec.cfg", NULL, buf, p - buf ) ) {
153 while ( p != buf && *p != '/' && *p != '\\' )
161 CopiedString home_path;
162 CopiedString app_path;
165 const char* environment_get_home_path(){
166 return home_path.c_str();
169 const char* environment_get_app_path(){
170 return app_path.c_str();
173 bool portable_app_setup(){
174 StringOutputStream confdir( 256 );
175 confdir << app_path.c_str() << "settings/";
176 if ( file_exists( confdir.c_str() ) ) {
177 home_path = confdir.c_str();
191 const char* LINK_NAME =
194 #else // FreeBSD and OSX
199 /// brief Returns the filename of the executable belonging to the current process, or 0 if not found.
200 char const* getexename( char *buf ){
201 /* Now read the symbolic link */
202 int ret = readlink( LINK_NAME, buf, PATH_MAX );
205 globalOutputStream() << "getexename: falling back to argv[0]: " << makeQuoted( g_argv[0] );
206 const char* path = realpath( g_argv[0], buf );
208 /* In case of an error, leave the handling up to the caller */
213 /* Ensure proper NUL termination */
216 /* delete the program name */
217 *( strrchr( buf, '/' ) ) = '\0';
219 // NOTE: we build app path with a trailing '/'
220 // it's a general convention in Radiant to have the slash at the end of directories
221 if ( buf[strlen( buf ) - 1] != '/' ) {
228 void environment_init( int argc, char const* argv[] ){
229 // Give away unnecessary root privileges.
230 // Important: must be done before calling gtk_init().
234 if ( geteuid() == 0 && ( loginname = getlogin() ) != 0 &&
235 ( pw = getpwnam( loginname ) ) != 0 ) {
236 setuid( pw->pw_uid );
239 args_init( argc, argv );
243 app_path = getexename( real );
244 ASSERT_MESSAGE( !string_empty( app_path.c_str() ), "failed to deduce app path" );
247 if ( !portable_app_setup() ) {
248 StringOutputStream home( 256 );
249 home << DirectoryCleaned( g_get_user_config_dir() ) << "netradiant/";
250 Q_mkdir( home.c_str() );
251 home_path = home.c_str();
256 #elif GDEF_OS_WINDOWS
260 void environment_init( int argc, char const* argv[] ){
261 args_init( argc, argv );
264 // get path to the editor
265 char filename[MAX_PATH + 1];
266 GetModuleFileName( 0, filename, MAX_PATH );
267 char* last_separator = strrchr( filename, '\\' );
268 if ( last_separator != 0 ) {
269 *( last_separator + 1 ) = '\0';
275 StringOutputStream app( 256 );
276 app << PathCleaned( filename );
277 app_path = app.c_str();
280 if ( !portable_app_setup() ) {
281 char *appdata = getenv( "APPDATA" );
282 StringOutputStream home( 256 );
283 if ( !appdata || string_empty( appdata ) ) {
284 ERROR_MESSAGE( "Application Data folder not available.\n"
285 "Radiant will use C:\\ for user preferences.\n" );
290 home << PathCleaned( appdata );
292 home << "/NetRadiantSettings/";
293 Q_mkdir( home.c_str() );
294 home_path = home.c_str();
300 #error "unsupported platform"