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"
24 #include "stream/textstream.h"
25 #include "string/string.h"
26 #include "stream/stringstream.h"
27 #include "debugging/debugging.h"
35 void args_init( int argc, char* argv[] ){
38 for ( i = 1; i < argc; i++ )
40 for ( k = i; k < argc; k++ )
47 for ( j = i + k; j < argc; j++ )
48 argv[j - k] = argv[j];
57 char *gamedetect_argv_buffer[1024];
58 void gamedetect_found_game( char *game, char *path ){
62 if ( g_argv == gamedetect_argv_buffer ) {
66 globalOutputStream() << "Detected game " << game << " in " << path << "\n";
68 sprintf( buf, "-%s-EnginePath", game );
70 gamedetect_argv_buffer[argc++] = "-global-gamefile";
71 gamedetect_argv_buffer[argc++] = game;
72 gamedetect_argv_buffer[argc++] = buf;
73 gamedetect_argv_buffer[argc++] = path;
74 if ( (size_t) ( argc + g_argc ) >= sizeof( gamedetect_argv_buffer ) / sizeof( *gamedetect_argv_buffer ) - 1 ) {
75 g_argc = sizeof( gamedetect_argv_buffer ) / sizeof( *gamedetect_argv_buffer ) - g_argc - 1;
77 memcpy( gamedetect_argv_buffer + 4, g_argv, sizeof( *gamedetect_argv_buffer ) * g_argc );
79 g_argv = gamedetect_argv_buffer;
82 bool gamedetect_check_game( char *gamefile, const char *checkfile1, const char *checkfile2, char *buf /* must have 64 bytes free after bufpos */, int bufpos ){
85 strcpy( buf + bufpos + 1, checkfile1 );
86 globalOutputStream() << "Checking for a game file in " << buf << "\n";
87 if ( !file_exists( buf ) ) {
92 strcpy( buf + bufpos + 1, checkfile2 );
93 globalOutputStream() << "Checking for a game file in " << buf << "\n";
94 if ( !file_exists( buf ) ) {
100 gamedetect_found_game( gamefile, buf );
105 // if we're inside a Nexuiz install
106 // default to nexuiz.game (unless the user used an option to inhibit this)
107 //bool nogamedetect = false;
108 bool nogamedetect = true;
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 ) )
133 #elif defined( __APPLE__ )
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 Q2World installs
141 if ( gamedetect_check_game( "q2w.game", "default/quake2world.version", 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();
188 for ( int i = 1; i < g_argc; ++i )
190 //if ( !stricmp( g_argv[i] + strlen(g_argv[i]) - 4, ".map" ) ){
191 if( string_equal_suffix_nocase( g_argv[i], ".map" ) ){
192 openCmdMap = g_argv[i];
205 const char* LINK_NAME =
206 #if defined ( __linux__ )
208 #else // FreeBSD and OSX
213 /// brief Returns the filename of the executable belonging to the current process, or 0 if not found.
214 char* getexename( char *buf ){
215 /* Now read the symbolic link */
216 int ret = readlink( LINK_NAME, buf, PATH_MAX );
219 globalOutputStream() << "getexename: falling back to argv[0]: " << makeQuoted( g_argv[0] );
220 const char* path = realpath( g_argv[0], buf );
222 /* In case of an error, leave the handling up to the caller */
227 /* Ensure proper NUL termination */
230 /* delete the program name */
231 *( strrchr( buf, '/' ) ) = '\0';
233 // NOTE: we build app path with a trailing '/'
234 // it's a general convention in Radiant to have the slash at the end of directories
235 if ( buf[strlen( buf ) - 1] != '/' ) {
242 void environment_init( int argc, char* argv[] ){
243 // Give away unnecessary root privileges.
244 // Important: must be done before calling gtk_init().
248 if ( geteuid() == 0 && ( loginname = getlogin() ) != 0 &&
249 ( pw = getpwnam( loginname ) ) != 0 ) {
250 setuid( pw->pw_uid );
253 args_init( argc, argv );
257 app_path = getexename( real );
258 ASSERT_MESSAGE( !string_empty( app_path.c_str() ), "failed to deduce app path" );
261 if ( !portable_app_setup() ) {
262 StringOutputStream home( 256 );
263 home << DirectoryCleaned( g_get_home_dir() ) << ".netradiant/";
264 Q_mkdir( home.c_str() );
265 home_path = home.c_str();
271 #elif defined( WIN32 )
275 void environment_init( int argc, char* argv[] ){
276 args_init( argc, argv );
279 // get path to the editor
280 char filename[MAX_PATH + 1];
281 GetModuleFileName( 0, filename, MAX_PATH );
282 char* last_separator = strrchr( filename, '\\' );
283 if ( last_separator != 0 ) {
284 *( last_separator + 1 ) = '\0';
290 StringOutputStream app( 256 );
291 app << PathCleaned( filename );
292 app_path = app.c_str();
295 if ( !portable_app_setup() ) {
296 char *appdata = getenv( "APPDATA" );
297 StringOutputStream home( 256 );
298 if ( !appdata || string_empty( appdata ) ) {
299 ERROR_MESSAGE( "Application Data folder not available.\n"
300 "Radiant will use C:\\ for user preferences.\n" );
305 home << PathCleaned( appdata );
307 home << "/NetRadiantSettings/";
308 Q_mkdir( home.c_str() );
309 home_path = home.c_str();
316 #error "unsupported platform"