src/TextureLoader.h

   1 /*
   2  * TextureLoader.h
   3  * Daniel Nelson - 8/24/0
   4  *
   5  * Copyright (C) 2000  Daniel Nelson
   6  * Copyright (C) 2004  Andrew Sayman
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  * Daniel Nelson - aluminumangel.org
  23  * 174 W. 18th Ave.
  24  * Columbus, OH  43210
  25  */
  26
  27 #ifndef TEXTURELOADER_H
  28 #define TEXTURELOADER_H
  29
  30 #include <GL/glut.h>
  31
  32 #ifndef _WIN32
  33 #  include <sstream>
  34 #else
  35 #  include <glext.h>
  36 #  include <strstrea.h>
  37 #endif
  38
  39 #include "Game.h"
  40
  41 using namespace std;
  42
  43 #define TL_GARBAGE_TEXTURE_TGA_ID     "Crack Attack! garbage texture"
  44 #define TL_SCREEN_SHOT_TGA_ID         "Crack Attack! screen shot"
  45
  46 /* static */ class TextureLoader {
  47 public:
  48   static GLubyte *loadAlphaTGA ( const char *tga_file_name, int _height,
  49    int _width );
  50   static GLubyte *loadNoAlphaTGA ( const char *tga_file_name, int _height,
  51    int _width );
  52   static GLubyte *loadTGA ( const char *tga_file_name, int _height, int _width,
  53    int _color_depth = 32 );
  54   static void createTGA ( const char *tga_file_name, GLubyte *texture,
  55    int _height, int _width, const char *tga_id );
  56   static bool fileExists ( const char *file_name );
  57   static unsigned long determineTGACheckSum ( const char *tga_file_name,
  58    int _height, int _width );
  59   static void determineTGASize ( const char *tga_file_name, int &height,
  60    int &width );
  61
  62   static inline void buildLocalDataDirectoryName ( char dir_name[256] )
  63   {
  64     ostringstream s;
  65 #ifndef _WIN32
  66     s << getenv("HOME") << GC_LOCAL_DATA_DIRECTORY << ends;
  67 #else
  68     s << GC_LOCAL_DATA_DIRECTORY << ends;
  69 #endif
  70     strncpy(dir_name, s.str().data(), 256);
  71   }
  72
  73   static inline void buildLocalDataFileName ( const char base_name[256],
  74    char file_name[256] )
  75   {
  76     ostringstream s;
  77 #ifndef _WIN32
  78     s << getenv("HOME") << GC_LOCAL_DATA_DIRECTORY << base_name << ends;
  79 #else
  80     s << GC_LOCAL_DATA_DIRECTORY << base_name << ends;
  81 #endif
  82     strncpy(file_name, s.str().data(), 256);
  83   }
  84 };
  85
  86 #endif