src/obj_name.cxx

   1 /*
   2  * names.cxx
   3  * Daniel Nelson - 11/9/0
   4  *
   5  * Copyright (C) 2000  Daniel Nelson
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20  *
  21  * Daniel Nelson - aluminumangel.org
  22  * 174 W. 18th Ave.
  23  * Columbus, OH  43210
  24  *
  25  * Build the name texture.
  26  */
  27
  28 #include <GL/glut.h>
  29
  30 #include "glext.h"
  31
  32 #include "Game.h"
  33 #include "Displayer.h"
  34 #include "String.h"
  35 #include "MetaState.h"
  36 #include "Communicator.h"
  37
  38 GLuint Displayer::name_texture;
  39
  40 void Displayer::generateNameTexture (   )
  41 {
  42   glGenTextures(1, &name_texture);
  43
  44   glBindTexture(GL_TEXTURE_2D, name_texture);
  45
  46   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  47   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
  48   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  49   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  50
  51   GLubyte texture[DC_NAME_TEX_LENGTH_T][DC_NAME_TEX_LENGTH_S][3];
  52   for (int t = DC_NAME_TEX_LENGTH_T; t--; )
  53     for (int s = DC_NAME_TEX_LENGTH_S; s--; )
  54       texture[t][s][0] = texture[t][s][1] = texture[t][s][2] = 0;
  55
  56   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, DC_NAME_TEX_LENGTH_S,
  57    DC_NAME_TEX_LENGTH_T, GL_FALSE, GL_RGB, GL_UNSIGNED_BYTE, texture);
  58
  59   if (MetaState::mode & CM_SOLO) {
  60
  61     int width = String::stringWidth(MetaState::player_name,
  62      DC_NAME_TEX_LENGTH_S);
  63
  64     GLubyte *name_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  65     String::fillStringTexture(MetaState::player_name, name_subtexture, width);
  66
  67     glTexSubImage2D(GL_TEXTURE_2D, 0, (DC_NAME_TEX_LENGTH_S - width) / 2,
  68      (DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH) / 2, width,
  69      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, name_subtexture);
  70
  71     if (name_subtexture != null) {
  72       delete [] name_subtexture;
  73       name_subtexture = null;
  74     }
  75
  76   } else {
  77     int x;
  78     int width;
  79     GLubyte *string_subtexture;
  80
  81     width = String::stringWidth(DC_VS_STRING, DC_NAME_TEX_LENGTH_S);
  82
  83     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  84     String::fillStringTexture(DC_VS_STRING, string_subtexture, width);
  85
  86     glTexSubImage2D(GL_TEXTURE_2D, 0, (DC_NAME_TEX_LENGTH_S - width) / 2,
  87      (DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH) / 2, width,
  88      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
  89
  90     if (string_subtexture != null) {
  91       delete [] string_subtexture;
  92       string_subtexture = null;
  93     }
  94
  95     width = String::stringWidth(MetaState::player_name, DC_NAME_TEX_LENGTH_S);
  96
  97     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  98     String::fillStringTexture(MetaState::player_name, string_subtexture, width);
  99
 100     if (width >= 2 * DC_NAME_TEX_LENGTH_S / 3)
 101       x = 0;
 102     else
 103       x = ((2 * DC_NAME_TEX_LENGTH_S / 3) - width) / 2;
 104     glTexSubImage2D(GL_TEXTURE_2D, 0, x, 0, width,
 105      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
 106
 107     if (string_subtexture != null) {
 108       delete [] string_subtexture;
 109       string_subtexture = null;
 110     }
 111
 112     width = String::stringWidth(Communicator::opponent_name,
 113      DC_NAME_TEX_LENGTH_S);
 114
 115     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
 116     String::fillStringTexture(Communicator::opponent_name, string_subtexture,
 117      width);
 118
 119     if (width >= 2 * DC_NAME_TEX_LENGTH_S / 3)
 120       x = DC_NAME_TEX_LENGTH_S - width;
 121     else
 122       x = DC_NAME_TEX_LENGTH_S - width
 123        - ((2 * DC_NAME_TEX_LENGTH_S / 3) - width) / 2;
 124     glTexSubImage2D(GL_TEXTURE_2D, 0, x,
 125      DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH, width,
 126      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
 127
 128     if (string_subtexture != null) {
 129       delete [] string_subtexture;
 130       string_subtexture = null;
 131     }
 132   }
 133 }