/* path support */
#define MAX_BASE_PATHS 10
#define MAX_GAME_PATHS 10
+#define MAX_PAK_PATHS 200
char *homePath;
char installPath[ MAX_OS_PATH ];
char *basePaths[ MAX_BASE_PATHS ];
int numGamePaths;
char *gamePaths[ MAX_GAME_PATHS ];
+int numPakPaths;
+char *pakPaths[ MAX_PAK_PATHS ];
char *homeBasePath = NULL;
strcpy( installPath, "../" );
#else
char temp[ MAX_OS_PATH ];
- char last0[ 2 ];
char *path;
char *last;
qboolean found;
argv0 = strrchr( argv0, '/' ) + 1;
}
else if ( path ) {
+
+ /*
+ This code has a special behavior when q3map2 is a symbolic link.
+
+ For each dir in ${PATH} (example: "/usr/bin", "/usr/local/bin" if ${PATH} == "/usr/bin:/usr/local/bin"),
+ it looks for "${dir}/q3map2" (file exists and is executable),
+ then it uses "dirname(realpath("${dir}/q3map2"))/../" as installPath.
+
+ So, if "/usr/bin/q3map2" is a symbolic link to "/opt/radiant/tools/q3map2",
+ it will find the installPath "/usr/share/radiant/",
+ so q3map2 will look for "/opt/radiant/baseq3" to find paks.
+
+ More precisely, it looks for "${dir}/${argv[0]}",
+ so if "/usr/bin/q3map2" is a symbolic link to "/opt/radiant/tools/q3map2",
+ and if "/opt/radiant/tools/q3ma2" is a symbolic link to "/opt/radiant/tools/q3map2.x86_64",
+ it will use "dirname("/opt/radiant/tools/q3map2.x86_64")/../" as path,
+ so it will use "/opt/radiant/" as installPath, which will be expanded later to "/opt/radiant/baseq3" to find paks.
+ */
+
found = qfalse;
last = path;
path++;
}
+
/* concatenate */
if ( last > ( path + 1 ) ) {
- Q_strncat( temp, sizeof( temp ), path, ( last - path ) );
+ // +1 hack: Q_strncat calls Q_strncpyz that expects a len including '\0'
+ // so that extraneous char will be rewritten by '\0', so it's ok.
+ // Also, in this case this extraneous char is always ':' or '\0', so it's ok.
+ Q_strncat( temp, sizeof( temp ), path, ( last - path + 1) );
Q_strcat( temp, sizeof( temp ), "/" );
}
- Q_strcat( temp, sizeof( temp ), "./" );
Q_strcat( temp, sizeof( temp ), argv0 );
/* verify the path */
if ( access( temp, X_OK ) == 0 ) {
- found++;
+ found = qtrue;
}
path = last + 1;
}
/* flake */
if ( realpath( temp, installPath ) ) {
- /* q3map is in "tools/" */
+ /*
+ if "q3map2" is "/opt/radiant/tools/q3map2",
+ installPath is "/opt/radiant"
+ */
+ *( strrchr( installPath, '/' ) ) = '\0';
*( strrchr( installPath, '/' ) ) = '\0';
- *( strrchr( installPath, '/' ) + 1 ) = '\0';
}
#endif
}
}
+/*
+ AddPakPath()
+ adds a pak path to the list
+ */
+
+void AddPakPath( char *path ){
+ /* dummy check */
+ if ( path == NULL || path[ 0 ] == '\0' || numPakPaths >= MAX_PAK_PATHS ) {
+ return;
+ }
+
+ /* add it to the list */
+ pakPaths[ numPakPaths ] = safe_malloc( strlen( path ) + 1 );
+ strcpy( pakPaths[ numPakPaths ], path );
+ CleanPath( pakPaths[ numPakPaths ] );
+ numPakPaths++;
+}
+
/*
homeBasePath = ".";
argv[ i ] = NULL;
}
+
+ /* -fs_pakpath */
+ else if ( strcmp( argv[ i ], "-fs_pakpath" ) == 0 ) {
+ if ( ++i >= *argc ) {
+ Error( "Out of arguments: No path specified after %s.", argv[ i - 1 ] );
+ }
+ argv[ i - 1 ] = NULL;
+ AddPakPath( argv[ i ] );
+ argv[ i ] = NULL;
+ }
+
}
/* remove processed arguments */
}
}
+ /* initialize vfs paths */
+ if ( numPakPaths > MAX_PAK_PATHS ) {
+ numPakPaths = MAX_PAK_PATHS;
+ }
+
+ /* walk the list of pak paths */
+ for ( i = 0; i < numPakPaths; i++ )
+ {
+ /* initialize this pak path */
+ vfsInitDirectory( pakPaths[ i ] );
+ }
+
/* done */
Sys_Printf( "\n" );
}