vmap/tools/vmap/fixaas.c
2020-11-17 12:16:16 +01:00

110 lines
2.7 KiB
C

/* -------------------------------------------------------------------------------
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 "vmap.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;
}