src/obj_clock.cxx

   1 /*
   2  * clock.cxx
   3  * Daniel Nelson - 11/2/0
   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  * Generates the textures for the clock.
  27  */
  28
  29 #include <GL/glut.h>
  30
  31 #include "glext.h"
  32
  33 #include "TextureLoader.h"
  34 #include "Game.h"
  35 #include "Displayer.h"
  36
  37 GLuint Displayer::clock_digit_textures[11];
  38
  39 const char *clock_digit_texture_files[11]
  40  = { GC_DATA_DIRECTORY("clock_0.tga"),
  41      GC_DATA_DIRECTORY("clock_1.tga"),
  42      GC_DATA_DIRECTORY("clock_2.tga"),
  43      GC_DATA_DIRECTORY("clock_3.tga"),
  44      GC_DATA_DIRECTORY("clock_4.tga"),
  45      GC_DATA_DIRECTORY("clock_5.tga"),
  46      GC_DATA_DIRECTORY("clock_6.tga"),
  47      GC_DATA_DIRECTORY("clock_7.tga"),
  48      GC_DATA_DIRECTORY("clock_8.tga"),
  49      GC_DATA_DIRECTORY("clock_9.tga"),
  50      GC_DATA_DIRECTORY("clock_extra.tga") };
  51
  52 void Displayer::generateClock (   )
  53 {
  54   GLubyte *texture;
  55
  56   glGenTextures(11, clock_digit_textures);
  57
  58   for (int n = 11; n--; ) {
  59
  60     glBindTexture(GL_TEXTURE_2D, clock_digit_textures[n]);
  61
  62     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  63     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
  64     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  65     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  66
  67     texture = TextureLoader::loadImageAlpha(clock_digit_texture_files[n],
  68      DC_CLOCK_TEX_LENGTH, DC_CLOCK_TEX_LENGTH);
  69
  70     glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, DC_CLOCK_TEX_LENGTH,
  71      DC_CLOCK_TEX_LENGTH, GL_FALSE, GL_ALPHA, GL_UNSIGNED_BYTE, texture);
  72
  73     if (texture != null) {
  74       delete [] texture;
  75       texture = null;
  76     }
  77   }
  78 }