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";
91 strcpy(buf + bufpos + 1, checkfile2);
92 globalOutputStream() << "Checking for a game file in " << buf << "\n";
97 gamedetect_found_game(gamefile, buf);
103 // if we're inside a Nexuiz install
104 // default to nexuiz.game (unless the user used an option to inhibit this)
105 bool nogamedetect = false;
107 for(i = 1; i < g_argc - 1; ++i)
108 if(g_argv[i][0] == '-')
110 if(!strcmp(g_argv[i], "-gamedetect"))
111 nogamedetect = !strcmp(g_argv[i+1], "false");
116 static char buf[1024 + 64];
117 strncpy(buf, environment_get_app_path(), sizeof(buf));
118 buf[sizeof(buf) - 1 - 64] = 0;
122 char *p = buf + strlen(buf) - 1; // point directly on the slash of get_app_path
125 // TODO add more games to this
127 // try to detect Nexuiz installs
129 if(gamedetect_check_game("nexuiz.game", "data/common-spog.pk3", "nexuiz.exe", buf, p - buf))
130 #elif defined(__APPLE__)
131 if(gamedetect_check_game("nexuiz.game", "data/common-spog.pk3", "Nexuiz.app/Contents/Info.plist", buf, p - buf))
133 if(gamedetect_check_game("nexuiz.game", "data/common-spog.pk3", "nexuiz-linux-glx.sh", buf, p - buf))
137 // try to detect Q2World installs
138 if(gamedetect_check_game("q2w.game", "default/quake2world.version", NULL, buf, p - buf))
144 while(p != buf && *p != '/' && *p != '\\')
152 CopiedString home_path;
153 CopiedString app_path;
156 const char* environment_get_home_path()
158 return home_path.c_str();
161 const char* environment_get_app_path()
163 return app_path.c_str();
166 bool portable_app_setup()
168 StringOutputStream confdir(256);
169 confdir << app_path.c_str() << "settings/";
170 if(file_exists(confdir.c_str()))
172 home_path = confdir.c_str();
184 #include <glib/gutils.h>
186 const char* LINK_NAME =
187 #if defined (__linux__)
189 #else // FreeBSD and OSX
194 /// brief Returns the filename of the executable belonging to the current process, or 0 if not found.
195 char* getexename(char *buf)
197 /* Now read the symbolic link */
198 int ret = readlink(LINK_NAME, buf, PATH_MAX);
202 globalOutputStream() << "getexename: falling back to argv[0]: " << makeQuoted(g_argv[0]);
203 const char* path = realpath(g_argv[0], buf);
206 /* In case of an error, leave the handling up to the caller */
211 /* Ensure proper NUL termination */
214 /* delete the program name */
215 *(strrchr(buf, '/')) = '\0';
217 // NOTE: we build app path with a trailing '/'
218 // it's a general convention in Radiant to have the slash at the end of directories
219 if (buf[strlen(buf)-1] != '/')
227 void environment_init(int argc, char* 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)
238 args_init(argc, argv);
242 app_path = getexename(real);
243 ASSERT_MESSAGE(!string_empty(app_path.c_str()), "failed to deduce app path");
246 if(!portable_app_setup())
248 StringOutputStream home(256);
249 home << DirectoryCleaned(g_get_home_dir()) << ".netradiant/";
250 Q_mkdir(home.c_str());
251 home_path = home.c_str();
260 void environment_init(int argc, char* argv[])
262 args_init(argc, argv);
265 // get path to the editor
266 char filename[MAX_PATH+1];
267 GetModuleFileName(0, filename, MAX_PATH);
268 char* last_separator = strrchr(filename, '\\');
269 if(last_separator != 0)
271 *(last_separator+1) = '\0';
277 StringOutputStream app(256);
278 app << PathCleaned(filename);
279 app_path = app.c_str();
282 if(!portable_app_setup())
284 char *appdata = getenv("APPDATA");
285 StringOutputStream home(256);
286 if(!appdata || string_empty(appdata))
288 ERROR_MESSAGE("Application Data folder not available.\n"
289 "Radiant will use C:\\ for user preferences.\n");
294 home << PathCleaned(appdata);
296 home << "/NetRadiantSettings/";
297 Q_mkdir(home.c_str());
298 home_path = home.c_str();
304 #error "unsupported platform"