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[])
39 for (i = 1; i < argc; i++)
41 for (k = i; k < argc; k++)
48 for (j = i + k; j < argc; j++)
58 char *gamedetect_argv_buffer[1024];
59 void gamedetect_found_game(char *game, char *path)
64 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;
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)
86 strcpy(buf + bufpos + 1, checkfile1);
87 globalOutputStream() << "Checking for a game file in " << buf << "\n";
93 strcpy(buf + bufpos + 1, checkfile2);
94 globalOutputStream() << "Checking for a game file in " << buf << "\n";
100 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] == '-')
113 if(!strcmp(g_argv[i], "-gamedetect"))
114 nogamedetect = !strcmp(g_argv[i+1], "false");
119 static char buf[1024 + 64];
120 strncpy(buf, environment_get_app_path(), sizeof(buf));
121 buf[sizeof(buf) - 1 - 64] = 0;
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))
144 // try to detect Warsow installs
145 if(gamedetect_check_game("warsow.game", "basewsw/dedicated_autoexec.cfg", NULL, buf, p - buf))
151 while(p != buf && *p != '/' && *p != '\\')
159 CopiedString home_path;
160 CopiedString app_path;
163 const char* environment_get_home_path()
165 return home_path.c_str();
168 const char* environment_get_app_path()
170 return app_path.c_str();
173 bool portable_app_setup()
175 StringOutputStream confdir(256);
176 confdir << app_path.c_str() << "settings/";
177 if(file_exists(confdir.c_str()))
179 home_path = confdir.c_str();
191 #include <glib/gutils.h>
193 const char* LINK_NAME =
194 #if defined (__linux__)
196 #else // FreeBSD and OSX
201 /// brief Returns the filename of the executable belonging to the current process, or 0 if not found.
202 char* getexename(char *buf)
204 /* Now read the symbolic link */
205 int ret = readlink(LINK_NAME, buf, PATH_MAX);
209 globalOutputStream() << "getexename: falling back to argv[0]: " << makeQuoted(g_argv[0]);
210 const char* path = realpath(g_argv[0], buf);
213 /* In case of an error, leave the handling up to the caller */
218 /* Ensure proper NUL termination */
221 /* delete the program name */
222 *(strrchr(buf, '/')) = '\0';
224 // NOTE: we build app path with a trailing '/'
225 // it's a general convention in Radiant to have the slash at the end of directories
226 if (buf[strlen(buf)-1] != '/')
234 void environment_init(int argc, char* argv[])
236 // Give away unnecessary root privileges.
237 // Important: must be done before calling gtk_init().
241 if (geteuid() == 0 && (loginname = getlogin()) != 0 &&
242 (pw = getpwnam(loginname)) != 0)
245 args_init(argc, argv);
249 app_path = getexename(real);
250 ASSERT_MESSAGE(!string_empty(app_path.c_str()), "failed to deduce app path");
253 if(!portable_app_setup())
255 StringOutputStream home(256);
256 home << DirectoryCleaned(g_get_home_dir()) << ".netradiant/";
257 Q_mkdir(home.c_str());
258 home_path = home.c_str();
267 void environment_init(int argc, char* argv[])
269 args_init(argc, argv);
272 // get path to the editor
273 char filename[MAX_PATH+1];
274 GetModuleFileName(0, filename, MAX_PATH);
275 char* last_separator = strrchr(filename, '\\');
276 if(last_separator != 0)
278 *(last_separator+1) = '\0';
284 StringOutputStream app(256);
285 app << PathCleaned(filename);
286 app_path = app.c_str();
289 if(!portable_app_setup())
291 char *appdata = getenv("APPDATA");
292 StringOutputStream home(256);
293 if(!appdata || string_empty(appdata))
295 ERROR_MESSAGE("Application Data folder not available.\n"
296 "Radiant will use C:\\ for user preferences.\n");
301 home << PathCleaned(appdata);
303 home << "/NetRadiantSettings/";
304 Q_mkdir(home.c_str());
305 home_path = home.c_str();
311 #error "unsupported platform"