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vfont: Add compiler / decompiler ttf <-> vfont from CS:GO
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‎common/simplecodec.h

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//===== Copyright c 1996-2008, Valve Corporation, All rights reserved. ======//
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//
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// Purpose: Simple encoder/decoder
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//
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//===========================================================================//
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#ifndef COMMON_SIMPLE_CODEC
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#define COMMON_SIMPLE_CODEC
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#include <stdlib.h>
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namespace SimpleCodec
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{
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//
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// Encodes the buffer in place
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// pvBuffer pointer to the base of the buffer, buffer length is "numBytes + numSultBytes"
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// numBytes number of real data bytes already in the buffer
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// numSultBytes number of sult bytes to be placed after the buffer data
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//
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inline void EncodeBuffer( unsigned char *pvBuffer, intp numBytes, unsigned char numSultBytes )
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{
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unsigned char xx = 0xA7;
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// Add some sult in the very end
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Assert( numSultBytes > 0 );
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pvBuffer[ numBytes + numSultBytes - 1 ] = numSultBytes;
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-- numSultBytes;
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// Store sult data
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for ( unsigned char *pvSult = pvBuffer + numBytes;
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numSultBytes -- > 0; ++ pvSult )
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{
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*pvSult = rand() % 0x100;
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xx ^= ( *pvSult + 0xA7 ) % 0x100;
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}
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// Hash the buffer
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for ( ; numBytes -- > 0; ++ pvBuffer )
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{
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unsigned char v = *pvBuffer;
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v ^= xx;
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xx = ( v + 0xA7 ) % 0x100;
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*pvBuffer = v;
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}
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}
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//
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// Decodes the buffer in place
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// pvBuffer pointer to the base of the encoded buffer
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// numBytes number of buffer bytes on input
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// on return contains the number of data bytes decoded (excludes sult)
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//
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inline void DecodeBuffer( unsigned char *pvBuffer, intp &numBytes )
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{
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unsigned char xx = 0xA7;
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// Discover the number of sult bytes
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unsigned char numSultBytes = pvBuffer[ numBytes - 1 ];
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numBytes -= numSultBytes;
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-- numSultBytes;
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// Recover sult data
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for ( unsigned char *pvSult = pvBuffer + numBytes;
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numSultBytes -- > 0; ++ pvSult )
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{
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xx ^= ( *pvSult + 0xA7 ) % 0x100;
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}
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// Hash the buffer
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for ( intp numBufBytes = numBytes; numBufBytes -- > 0; ++ pvBuffer )
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{
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unsigned char v = *pvBuffer;
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v ^= xx;
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xx = ( *pvBuffer + 0xA7 ) % 0x100;
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*pvBuffer = v;
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}
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}
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}; // namespace SimpleCodec
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#endif // COMMON_SIMPLE_CODEC

‎common/valvefont.h

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//===== Copyright c 1996-2008, Valve Corporation, All rights reserved. ======//
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//
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// Purpose: Simple encoder/decoder
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//
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//===========================================================================//
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#ifndef COMMON_VALVE_FONT
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#define COMMON_VALVE_FONT
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#include "simplecodec.h"
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#include <ctime>
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namespace ValveFont
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{
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//
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// Encodes the font buffer, buffer size is increased automatically
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//
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inline void EncodeFont( CUtlBuffer &buffer )
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{
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srand( (unsigned) time( NULL ) );
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intp numBytes = buffer.TellPut();
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int numSultBytes = 0x10 + ( rand() % 0x10 );
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char const *szTag = "VFONT1";
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intp numTagBytes = V_strlen( szTag );
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for ( int k = 0; k < numSultBytes; ++ k )
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buffer.PutUnsignedChar( k );
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for ( intp k = 0; k < numTagBytes; ++ k )
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buffer.PutUnsignedChar( szTag[ k ] );
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SimpleCodec::EncodeBuffer( ( unsigned char * ) buffer.Base(), numBytes, numSultBytes );
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}
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//
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// Decodes font buffer, returns true if successful, buffer's put pointer is positioned
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// at the end of the font data.
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// Returns false on failure.
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//
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inline bool DecodeFont( CUtlBuffer &buffer )
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{
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intp numTotalBytes = buffer.TellPut();
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char const *szTag = "VFONT1";
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intp numTagBytes = V_strlen( szTag );
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if ( numTotalBytes <= numTagBytes )
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return false;
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if ( memcmp( (( unsigned char * ) buffer.Base() ) + numTotalBytes - numTagBytes,
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szTag, numTagBytes ) )
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return false;
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numTotalBytes -= numTagBytes;
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SimpleCodec::DecodeBuffer( ( unsigned char * ) buffer.Base(), numTotalBytes );
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buffer.SeekPut( CUtlBuffer::SEEK_HEAD, numTotalBytes );
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return true;
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}
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}; // namespace ValveFont
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#endif // COMMON_VALVE_FONT
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‎utils/vfont/resource.h

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//========= Copyright Valve Corporation, All rights reserved. ============//
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#define SRC_IDI_APP_MAIN 101
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#define SRC_PRODUCT_FILE_DESCRIPTION_STRING "Valve .ttf font to .vfont compiler / decompiler"

‎utils/vfont/resources/app.ico

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‎utils/vfont/vfont.cpp

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// Valve Corporation, All rights reserved.
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//
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// Purpose: Valve font compiler.
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#include <cstdlib>
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#include <cstdio>
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#include "tier1/utlbuffer.h"
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#include "valvefont.h"
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int Usage() {
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fprintf(stderr, "Usage: vfont inputfont.ttf [outputfont.vfont]\n");
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return -1;
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}
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int main(int argc, char **argv) {
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#ifdef PLATFORM_64BITS
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printf("Valve Software - vfont.exe [64 bit] (" __DATE__ ")\n");
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#else
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printf("Valve Software - vfont.exe (" __DATE__ ")\n");
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#endif
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int iArg = 1;
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if (iArg >= argc) return Usage();
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//
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// Check if we are in decompiler mode
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//
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#if VFONT_DECOMPILER
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bool bDecompiler = !stricmp(argv[iArg], "-d");
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if (bDecompiler) ++iArg;
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#endif
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if (iArg >= argc) return Usage();
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//
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// Input file
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//
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char const *szInput = argv[iArg];
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++iArg;
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//
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// Output file
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//
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char szOutput[512] = {0};
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if (iArg >= argc) {
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intp numBytes = V_strlen(szInput);
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V_strcpy_safe(szOutput, szInput);
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char *pDot = strrchr(szOutput, '.');
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char *pSlash1 = strrchr(szOutput, '/');
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char *pSlash2 = strrchr(szOutput, '\\');
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if (!pDot) {
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pDot = szOutput + numBytes;
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} else if (pDot < pSlash1 || pDot < pSlash2) {
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pDot = szOutput + numBytes;
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}
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sprintf(pDot, ".vfont");
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} else {
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V_strcpy_safe(szOutput, argv[iArg]);
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}
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//
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// Read the input
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//
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FILE *fin = fopen(szInput, "rb");
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if (!fin) {
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fprintf(stderr, "Error: cannot open input file '%s'!\n", szInput);
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return -2;
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}
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fseek(fin, 0, SEEK_END);
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long lSize = ftell(fin);
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fseek(fin, 0, SEEK_SET);
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CUtlBuffer buf;
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buf.EnsureCapacity(lSize);
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fread(buf.Base(), 1, lSize, fin);
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buf.SeekPut(CUtlBuffer::SEEK_HEAD, lSize);
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fclose(fin);
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//
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// Compile
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//
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#if VFONT_DECOMPILER
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if (bDecompiler) {
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bool bResult = ValveFont::DecodeFont(buf);
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if (!bResult) {
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fprintf(stderr, "Error: cannot decompile input file '%s'!\n", szInput);
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return 1;
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}
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} else
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ValveFont::EncodeFont(buf);
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#else
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ValveFont::EncodeFont(buf);
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#endif
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//
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// Write the output
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//
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FILE *fout = fopen(szOutput, "wb");
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if (!fout) {
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fprintf(stderr, "Error: cannot open output file '%s'!\n", szOutput);
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return -3;
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}
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fwrite(buf.Base(), 1, buf.TellPut(), fout);
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fclose(fout);
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printf("vfont successfully %scompiled '%s' as '%s'.\n",
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#if VFONT_DECOMPILER
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bDecompiler ? "de" : "",
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#else
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"",
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#endif
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szInput, szOutput);
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return 0;
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}

‎utils/vfont/vfont.vpc

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//-----------------------------------------------------------------------------
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// uvlightmap.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro SRCDIR "..\.."
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$Macro OUTBINDIR "$SRCDIR\..\game\bin"
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$Include "$SRCDIR\vpc_scripts\source_exe_con_base.vpc"
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$Configuration
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{
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$Compiler
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{
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$AdditionalIncludeDirectories "$BASE,..\common"
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// $PreprocessorDefinitions "$BASE"
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}
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$Linker
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{
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$AdditionalDependencies "winmm.lib comctl32.lib"
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// $IgnoreSpecificLibrary "libc;libcd;libcmtd;libcp"
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// $AdditionalOptions "/FORCE"
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}
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}
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$Project "vfont"
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{
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$Folder "Source Files"
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{
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$File "vfont.cpp"
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}
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$Folder "Header Files"
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{
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}
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$Folder "Link Libraries"
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{
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$Lib tier2
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$Lib tier3
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}
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}

‎utils/vfont/vfont_decompiler.cpp

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// Copyright Valve Corporation, All rights reserved.
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//
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// Valve font compiler and decompiler
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//
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// NOTE: This tool can be used to *decompile* valve font files.
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//
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#define VFONT_DECOMPILER 1
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#include "vfont.cpp"

‎utils/vfont/vfont_decompiler.vpc

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//-----------------------------------------------------------------------------
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// uvlightmap.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro SRCDIR "..\.."
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$Macro OUTBINDIR "$SRCDIR\..\game\bin"
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$Include "$SRCDIR\vpc_scripts\source_exe_con_base.vpc"
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$Configuration
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{
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$Compiler
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{
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$AdditionalIncludeDirectories "$BASE,..\common"
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// $PreprocessorDefinitions "$BASE"
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}
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$Linker
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{
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$AdditionalDependencies "winmm.lib comctl32.lib"
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// $IgnoreSpecificLibrary "libc;libcd;libcmtd;libcp"
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// $AdditionalOptions "/FORCE"
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}
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}
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$Project "vfont_decompiler"
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{
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$Folder "Source Files"
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{
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$File "vfont_decompiler.cpp"
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}
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$Folder "Header Files"
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{
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}
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$Folder "Link Libraries"
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{
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$Lib tier2
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$Lib tier3
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}
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}

‎vpc_scripts/groups.vgc

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"tier3"
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"vbsp"
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"vbspinfo"
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"vfont"
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"vfont_decompiler"
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"vgui_controls"
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"vgui_dll"
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"vgui_surfacelib"

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