split fixaas stuff from q3map2

[xonotic/netradiant.git] / tools / quake3 / q3map2 / fixaas.c

diff --git a/tools/quake3/q3map2/fixaas.c b/tools/quake3/q3map2/fixaas.c
new file mode 100644 (file)
index 0000000..e08cd13
--- /dev/null
+++ b/tools/quake3/q3map2/fixaas.c
@@ -0,0 +1,110 @@
+/* -------------------------------------------------------------------------------
+
+   Copyright (C) 1999-2007 id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+   This file is part of GtkRadiant.
+
+   GtkRadiant is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   GtkRadiant is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+   -------------------------------------------------------------------------------
+
+   This code has been altered significantly from its original form, to support
+   several games based on the Quake III Arena engine, in the form of "Q3Map2."
+
+   ------------------------------------------------------------------------------- */
+
+
+
+/* dependencies */
+#include "q3map2.h"
+
+
+
+/*
+   MD4BlockChecksum()
+   calculates an md4 checksum for a block of data
+ */
+
+static int MD4BlockChecksum( void *buffer, int length ){
+       return Com_BlockChecksum( buffer, length );
+}
+
+/*
+   FixAASMain()
+   resets an aas checksum to match the given BSP
+ */
+
+int FixAASMain( int argc, char **argv ){
+       int length, checksum;
+       void        *buffer;
+       FILE        *file;
+       char aas[ 1024 ], **ext;
+       char        *exts[] =
+       {
+               ".aas",
+               "_b0.aas",
+               "_b1.aas",
+               NULL
+       };
+
+
+       /* arg checking */
+       if ( argc < 2 ) {
+               Sys_Printf( "Usage: q3map -fixaas [-v] <mapname>\n" );
+               return 0;
+       }
+
+       /* do some path mangling */
+       strcpy( source, ExpandArg( argv[ argc - 1 ] ) );
+       StripExtension( source );
+       DefaultExtension( source, ".bsp" );
+
+       /* note it */
+       Sys_Printf( "--- FixAAS ---\n" );
+
+       /* load the bsp */
+       Sys_Printf( "Loading %s\n", source );
+       length = LoadFile( source, &buffer );
+
+       /* create bsp checksum */
+       Sys_Printf( "Creating checksum...\n" );
+       checksum = LittleLong( MD4BlockChecksum( buffer, length ) );
+
+       /* write checksum to aas */
+       ext = exts;
+       while ( *ext )
+       {
+               /* mangle name */
+               strcpy( aas, source );
+               StripExtension( aas );
+               strcat( aas, *ext );
+               Sys_Printf( "Trying %s\n", aas );
+               ext++;
+
+               /* fix it */
+               file = fopen( aas, "r+b" );
+               if ( !file ) {
+                       continue;
+               }
+               if ( fwrite( &checksum, 4, 1, file ) != 1 ) {
+                       Error( "Error writing checksum to %s", aas );
+               }
+               fclose( file );
+       }
+
+       /* return to sender */
+       return 0;
+}