sapphire/src/tools/discovery_parser/tex.h

#ifndef _TEX_H
#define _TEX_H

#include <cstdint>
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <map>

// ported Ioncannon's tex file parsing
// https://bitbucket.org/Ioncannon/ffxiv-explorer/src/9330429c1540cf35f947fe7321739d857f4f31a7/src/com/fragmenterworks/ffxivextract/models/Texture_File.java

struct TEX_HEADER
{
   uint32_t unknown;            // 00
   uint16_t compressionType;    // 04
   uint16_t unknown2;           // 06
   uint16_t uncompressedWidth;  // 08
   uint16_t uncompressedHeight; // 0A
   uint16_t unknown5;           // 0C
   uint16_t numMipMaps;         // 0F
   uint16_t unknown4[0x0B];     // 11 - 0x1C
   std::vector< uint32_t > mipMaps;
};

struct TEX_FILE
{
   std::string name;
   TEX_HEADER header;
   std::vector< char > data;

   TEX_FILE( const std::string& path )
   {
      name = path;
      std::ifstream in( path, std::ios::binary );
      if ( in.good() )
      {
         std::size_t size = 0;
         in.seekg( 0, in.end );
         size = in.tellg();
         in.seekg( 0, in.beg );
         data.resize( size );
         in.read( &data[0], size );

         header = *reinterpret_cast< TEX_HEADER* >( &data[0] );

         header.mipMaps.clear();

         for( auto i = 0; i < header.numMipMaps; ++i)
            header.mipMaps.push_back( *reinterpret_cast< uint32_t* >( &data[0x1C + ( i * 4 )] ) );

         std::cout << path << "\n\tcompressionType " << header.compressionType << " uncompressedWidth " <<
         header.uncompressedWidth << " uncompressedHeight " << header.uncompressedHeight << " numMipMaps " <<
         header.numMipMaps << " mipMaps " << header.mipMaps.size() << "\n";
      }
      else
      {
         std::string errorStr( "Unable to open " + path );
         throw std::runtime_error( errorStr.c_str()  );
      }
   }
};

#endif