-/*
+/* -------------------------------------------------------------------------------
+
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
+/*
+MD4BlockChecksum()
+calculates an md4 checksum for a block of data
+*/
+
+static int MD4BlockChecksum( void *buffer, int length )
+{
+ MHASH mh;
+ int digest[ 4 ], checksum;
+
+
+ /* make md4 hash */
+ mh = mhash_init( MHASH_MD4 );
+ if( !mh )
+ Error( "Unable to initialize MD4 hash context" );
+ mhash( mh, buffer, length );
+ mhash_deinit( mh, digest );
+
+ /* xor the bits and return */
+ checksum = digest[ 0 ] ^ digest[ 1 ] ^ digest[ 2 ] ^ digest[ 3 ];
+ return checksum;
+}
+
+
+
+/*
+FixAAS()
+resets an aas checksum to match the given BSP
+*/
+
+int FixAAS( 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;
+}
+
+
+
+/*
+AnalyzeBSP() - ydnar
+analyzes a Quake engine BSP file
+*/
+
+typedef struct abspHeader_s
+{
+ char ident[ 4 ];
+ int version;
+
+ bspLump_t lumps[ 1 ]; /* unknown size */
+}
+abspHeader_t;
+
+typedef struct abspLumpTest_s
+{
+ int radix, minCount;
+ char *name;
+}
+abspLumpTest_t;
+
+int AnalyzeBSP( int argc, char **argv )
+{
+ abspHeader_t *header;
+ int size, i, version, offset, length, lumpInt, count;
+ char ident[ 5 ];
+ void *lump;
+ float lumpFloat;
+ char lumpString[ 1024 ], source[ 1024 ];
+ qboolean lumpSwap = qfalse;
+ abspLumpTest_t *lumpTest;
+ static abspLumpTest_t lumpTests[] =
+ {
+ { sizeof( bspPlane_t ), 6, "IBSP LUMP_PLANES" },
+ { sizeof( bspBrush_t ), 1, "IBSP LUMP_BRUSHES" },
+ { 8, 6, "IBSP LUMP_BRUSHSIDES" },
+ { sizeof( bspBrushSide_t ), 6, "RBSP LUMP_BRUSHSIDES" },
+ { sizeof( bspModel_t ), 1, "IBSP LUMP_MODELS" },
+ { sizeof( bspNode_t ), 2, "IBSP LUMP_NODES" },
+ { sizeof( bspLeaf_t ), 1, "IBSP LUMP_LEAFS" },
+ { 104, 3, "IBSP LUMP_DRAWSURFS" },
+ { 44, 3, "IBSP LUMP_DRAWVERTS" },
+ { 4, 6, "IBSP LUMP_DRAWINDEXES" },
+ { 128 * 128 * 3, 1, "IBSP LUMP_LIGHTMAPS" },
+ { 256 * 256 * 3, 1, "IBSP LUMP_LIGHTMAPS (256 x 256)" },
+ { 512 * 512 * 3, 1, "IBSP LUMP_LIGHTMAPS (512 x 512)" },
+ { 0, 0, NULL }
+ };
+
+
+ /* arg checking */
+ if( argc < 1 )
+ {
+ Sys_Printf( "Usage: q3map -analyze [-lumpswap] [-v] <mapname>\n" );
+ return 0;
+ }
+
+ /* process arguments */
+ for( i = 1; i < (argc - 1); i++ )
+ {
+ /* -format map|ase|... */
+ if( !strcmp( argv[ i ], "-lumpswap" ) )
+ {
+ Sys_Printf( "Swapped lump structs enabled\n" );
+ lumpSwap = qtrue;
+ }
+ }
+
+ /* clean up map name */
+ strcpy( source, ExpandArg( argv[ i ] ) );
+ Sys_Printf( "Loading %s\n", source );
+
+ /* load the file */
+ size = LoadFile( source, (void**) &header );
+ if( size == 0 || header == NULL )
+ {
+ Sys_Printf( "Unable to load %s.\n", source );
+ return -1;
+ }
+
+ /* analyze ident/version */
+ memcpy( ident, header->ident, 4 );
+ ident[ 4 ] = '\0';
+ version = LittleLong( header->version );
+
+ Sys_Printf( "Identity: %s\n", ident );
+ Sys_Printf( "Version: %d\n", version );
+ Sys_Printf( "---------------------------------------\n" );
+
+ /* analyze each lump */
+ for( i = 0; i < 100; i++ )
+ {
+ /* call of duty swapped lump pairs */
+ if( lumpSwap )
+ {
+ offset = LittleLong( header->lumps[ i ].length );
+ length = LittleLong( header->lumps[ i ].offset );
+ }
+
+ /* standard lump pairs */
+ else
+ {
+ offset = LittleLong( header->lumps[ i ].offset );
+ length = LittleLong( header->lumps[ i ].length );
+ }
+
+ /* extract data */
+ lump = (byte*) header + offset;
+ lumpInt = LittleLong( (int) *((int*) lump) );
+ lumpFloat = LittleFloat( (float) *((float*) lump) );
+ memcpy( lumpString, (char*) lump, (length < 1024 ? length : 1024) );
+ lumpString[ 1024 ] = '\0';
+
+ /* print basic lump info */
+ Sys_Printf( "Lump: %d\n", i );
+ Sys_Printf( "Offset: %d bytes\n", offset );
+ Sys_Printf( "Length: %d bytes\n", length );
+
+ /* only operate on valid lumps */
+ if( length > 0 )
+ {
+ /* print data in 4 formats */
+ Sys_Printf( "As hex: %08X\n", lumpInt );
+ Sys_Printf( "As int: %d\n", lumpInt );
+ Sys_Printf( "As float: %f\n", lumpFloat );
+ Sys_Printf( "As string: %s\n", lumpString );
+
+ /* guess lump type */
+ if( lumpString[ 0 ] == '{' && lumpString[ 2 ] == '"' )
+ Sys_Printf( "Type guess: IBSP LUMP_ENTITIES\n" );
+ else if( strstr( lumpString, "textures/" ) )
+ Sys_Printf( "Type guess: IBSP LUMP_SHADERS\n" );
+ else
+ {
+ /* guess based on size/count */
+ for( lumpTest = lumpTests; lumpTest->radix > 0; lumpTest++ )
+ {
+ if( (length % lumpTest->radix) != 0 )
+ continue;
+ count = length / lumpTest->radix;
+ if( count < lumpTest->minCount )
+ continue;
+ Sys_Printf( "Type guess: %s (%d x %d)\n", lumpTest->name, count, lumpTest->radix );
+ }
+ }
+ }
+
+ Sys_Printf( "---------------------------------------\n" );
+
+ /* end of file */
+ if( offset + length >= size )
+ break;
+ }
+
+ /* last stats */
+ Sys_Printf( "Lump count: %d\n", i + 1 );
+ Sys_Printf( "File size: %d bytes\n", size );
+
+ /* return to caller */
+ return 0;
+}
+
+
+
/*
BSPInfo()
emits statistics about the bsp file
{
int i;
int (*convertFunc)( char * );
+ game_t *convertGame;
/* set default */
convertFunc = ConvertBSPToASE;
+ convertGame = NULL;
/* arg checking */
if( argc < 1 )
else if( !Q_stricmp( argv[ i ], "map" ) )
convertFunc = ConvertBSPToMap;
else
- Sys_Printf( "Unknown conversion format \"%s\". Defaulting to ASE.\n", argv[ i ] );
+ {
+ convertGame = GetGame( argv[ i ] );
+ if( convertGame == NULL )
+ Sys_Printf( "Unknown conversion format \"%s\". Defaulting to ASE.\n", argv[ i ] );
+ }
}
}
/* parse bsp entities */
ParseEntities();
- /* convert */
+ /* bsp format convert? */
+ if( convertGame != NULL )
+ {
+ /* set global game */
+ game = convertGame;
+
+ /* write bsp */
+ StripExtension( source );
+ DefaultExtension( source, "_c.bsp" );
+ Sys_Printf( "Writing %s\n", source );
+ WriteBSPFile( source );
+
+ /* return to sender */
+ return 0;
+ }
+
+ /* normal convert */
return convertFunc( source );
}
if( argc < 2 )
Error( "Usage: %s [general options] [options] mapfile", argv[ 0 ] );
+ /* fixaas */
+ if( !strcmp( argv[ 1 ], "-fixaas" ) )
+ r = FixAAS( argc - 1, argv + 1 );
+
+ /* analyze */
+ else if( !strcmp( argv[ 1 ], "-analyze" ) )
+ r = AnalyzeBSP( argc - 1, argv + 1 );
+
/* info */
- if( !strcmp( argv[ 1 ], "-info" ) )
+ else if( !strcmp( argv[ 1 ], "-info" ) )
r = BSPInfo( argc - 2, argv + 2 );
/* vis */
projects / xonotic / netradiant.git / blobdiff