mirror of
https://github.com/id-Software/GtkRadiant.git
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The GtkRadiant sources as originally released under the GPL license.
This commit is contained in:
Travis Bradshaw
404
tools/quake2/common/path_init.c
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404
tools/quake2/common/path_init.c
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/* -------------------------------------------------------------------------------
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Copyright (C) 1999-2006 Id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Nurail: Swiped from Q3Map2
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*/
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/* marker */
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#define PATH_INIT_C
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#if defined( __linux__ ) || defined( __APPLE__ )
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#define Q_UNIX
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#endif
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#ifdef Q_UNIX
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#include <unistd.h>
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#include <pwd.h>
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#include <limits.h>
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#endif
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/* dependencies */
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#include "cmdlib.h"
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#include "inout.h"
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/* path support */
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#define MAX_BASE_PATHS 10
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#define MAX_GAME_PATHS 10
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char *homePath;
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char installPath[ MAX_OS_PATH ];
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int numBasePaths;
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char *basePaths[ MAX_BASE_PATHS ];
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int numGamePaths;
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char *gamePaths[ MAX_GAME_PATHS ];
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/*
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some of this code is based off the original q3map port from loki
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and finds various paths. moved here from bsp.c for clarity.
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*/
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/*
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PathLokiGetHomeDir()
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gets the user's home dir (for ~/.q3a)
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*/
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char *LokiGetHomeDir( void )
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{
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#ifndef Q_UNIX
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return NULL;
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#else
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char *home;
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uid_t id;
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struct passwd *pwd;
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/* get the home environment variable */
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home = getenv( "HOME" );
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if( home == NULL )
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{
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/* do some more digging */
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id = getuid();
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setpwent();
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while( (pwd = getpwent()) != NULL )
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{
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if( pwd->pw_uid == id )
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{
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home = pwd->pw_dir;
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break;
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}
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}
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endpwent();
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}
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/* return it */
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return home;
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#endif
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}
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/*
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PathLokiInitPaths()
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initializes some paths on linux/os x
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*/
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void LokiInitPaths( char *argv0 )
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{
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#ifndef Q_UNIX
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/* this is kinda crap, but hey */
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strcpy( installPath, "../" );
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#else
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char temp[ MAX_OS_PATH ];
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char *home;
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char *path;
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char *last;
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qboolean found;
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/* get home dir */
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home = LokiGetHomeDir();
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if( home == NULL )
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home = ".";
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/* do some path divining */
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strcpy( temp, argv0 );
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if( strrchr( temp, '/' ) )
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argv0 = strrchr( argv0, '/' ) + 1;
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else
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{
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/* get path environment variable */
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path = getenv( "PATH" );
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/* minor setup */
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last[ 0 ] = path[ 0 ];
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last[ 1 ] = '\0';
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found = false;
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/* go through each : segment of path */
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while( last[ 0 ] != '\0' && found == false )
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{
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/* null out temp */
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temp[ 0 ] = '\0';
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/* find next chunk */
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last = strchr( path, ':' );
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if( last == NULL )
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last = path + strlen( path );
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/* found home dir candidate */
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if( *path == '~' )
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{
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strcpy( temp, home );
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path++;
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}
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/* concatenate */
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if( last > (path + 1) )
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{
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strncat( temp, path, (last - path) );
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strcat( temp, "/" );
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}
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strcat( temp, "./" );
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strcat( temp, argv0 );
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/* verify the path */
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if( access( temp, X_OK ) == 0 )
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found++;
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path = last + 1;
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}
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}
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/* flake */
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if( realpath( temp, installPath ) )
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{
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/* q3map is in "tools/" */
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*(strrchr( installPath, '/' )) = '\0';
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*(strrchr( installPath, '/' ) + 1) = '\0';
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}
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/* set home path */
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homePath = home;
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#endif
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}
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/*
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CleanPath() - ydnar
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cleans a dos path \ -> /
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*/
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void CleanPath( char *path )
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{
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while( *path )
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{
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if( *path == '\\' )
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*path = '/';
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path++;
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}
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}
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/*
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AddBasePath() - ydnar
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adds a base path to the list
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*/
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void AddBasePath( char *path )
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{
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/* dummy check */
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if( path == NULL || path[ 0 ] == '\0' || numBasePaths >= MAX_BASE_PATHS )
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return;
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/* add it to the list */
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basePaths[ numBasePaths ] = safe_malloc( strlen( path ) + 1 );
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strcpy( basePaths[ numBasePaths ], path );
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CleanPath( basePaths[ numBasePaths ] );
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numBasePaths++;
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}
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/*
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AddHomeBasePath() - ydnar
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adds a base path to the beginning of the list, prefixed by ~/
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*/
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void AddHomeBasePath( char *path )
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{
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#ifdef Q_UNIX
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int i;
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char temp[ MAX_OS_PATH ];
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/* dummy check */
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if( path == NULL || path[ 0 ] == '\0' )
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return;
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/* make a hole */
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for( i = 0; i < (MAX_BASE_PATHS - 1); i++ )
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basePaths[ i + 1 ] = basePaths[ i ];
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/* concatenate home dir and path */
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sprintf( temp, "%s/%s", homePath, path );
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/* add it to the list */
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basePaths[ 0 ] = safe_malloc( strlen( temp ) + 1 );
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strcpy( basePaths[ 0 ], temp );
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CleanPath( basePaths[ 0 ] );
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numBasePaths++;
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#endif
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}
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/*
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AddGamePath() - ydnar
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adds a game path to the list
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*/
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void AddGamePath( char *path )
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{
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/* dummy check */
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if( path == NULL || path[ 0 ] == '\0' || numGamePaths >= MAX_GAME_PATHS )
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return;
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/* add it to the list */
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gamePaths[ numGamePaths ] = safe_malloc( strlen( path ) + 1 );
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strcpy( gamePaths[ numGamePaths ], path );
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CleanPath( gamePaths[ numGamePaths ] );
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numGamePaths++;
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}
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/*
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InitPaths() - ydnar
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cleaned up some of the path initialization code from bsp.c
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will remove any arguments it uses
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*/
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void InitPaths( int *argc, char **argv )
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{
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int i, j, k, len, len2;
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char temp[ MAX_OS_PATH ];
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char gamePath[MAX_OS_PATH], homeBasePath[MAX_OS_PATH], game_magic[10];
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strcpy(gamePath, "baseq2");
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strcpy(game_magic, "quake");
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strcpy(homeBasePath, ".quake2");
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/* note it */
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Sys_FPrintf( SYS_VRB, "--- InitPaths ---\n" );
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/* get the install path for backup */
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LokiInitPaths( argv[ 0 ] );
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/* set game to default (q3a) */
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numBasePaths = 0;
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numGamePaths = 0;
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/* parse through the arguments and extract those relevant to paths */
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for( i = 0; i < *argc; i++ )
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{
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/* check for null */
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if( argv[ i ] == NULL )
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continue;
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/* -fs_basepath */
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if( strcmp( argv[ i ], "-fs_basepath" ) == 0 )
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{
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if( ++i >= *argc )
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Error( "Out of arguments: No path specified after %s.", argv[ i - 1 ] );
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argv[ i - 1 ] = NULL;
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AddBasePath( argv[ i ] );
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argv[ i ] = NULL;
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}
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}
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/* remove processed arguments */
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for( i = 0, j = 0, k = 0; i < *argc && j < *argc; i++, j++ )
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{
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for( j; j < *argc && argv[ j ] == NULL; j++ );
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argv[ i ] = argv[ j ];
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if( argv[ i ] != NULL )
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k++;
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}
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*argc = k;
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/* add standard game path */
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AddGamePath( gamePath );
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/* if there is no base path set, figure it out */
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if( numBasePaths == 0 )
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{
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/* this is another crappy replacement for SetQdirFromPath() */
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len2 = strlen( game_magic );
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for( i = 0; i < *argc && numBasePaths == 0; i++ )
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{
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/* extract the arg */
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strcpy( temp, argv[ i ] );
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CleanPath( temp );
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len = strlen( temp );
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Sys_FPrintf( SYS_VRB, "Searching for \"%s\" in \"%s\" (%d)...\n", game_magic, temp, i );
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/* this is slow, but only done once */
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for( j = 0; j < (len - len2); j++ )
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{
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/* check for the game's magic word */
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if( Q_strncasecmp( &temp[ j ], game_magic, len2 ) == 0 )
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{
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/* now find the next slash and nuke everything after it */
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while( temp[ ++j ] != '/' && temp[ j ] != '\0' );
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temp[ j ] = '\0';
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/* add this as a base path */
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AddBasePath( temp );
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break;
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}
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}
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}
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/* add install path */
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if( numBasePaths == 0 )
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AddBasePath( installPath );
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/* check again */
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if( numBasePaths == 0 )
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Error( "Failed to find a valid base path." );
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}
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/* this only affects unix */
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AddHomeBasePath( homeBasePath );
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/* initialize vfs paths */
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if( numBasePaths > MAX_BASE_PATHS )
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numBasePaths = MAX_BASE_PATHS;
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if( numGamePaths > MAX_GAME_PATHS )
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numGamePaths = MAX_GAME_PATHS;
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/* walk the list of game paths */
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//for( j = 0; j < numGamePaths; j++ )
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//{
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/* walk the list of base paths */
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// for( i = 0; i < numBasePaths; i++ )
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// {
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/* create a full path and initialize it */
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// sprintf( temp, "%s/%s/", basePaths[ i ], gamePaths[ j ] );
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// vfsInitDirectory( temp );
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// }
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//}
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/* done */
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Sys_Printf( "\n" );
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}
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