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 using namespace std;
  33
  34 #include "Game.h"
  35 #include "Displayer.h"
  36 #include "String.h"
  37 #include "MetaState.h"
  38 #include "Communicator.h"
  39
  40 GLuint Displayer::name_texture;
  41
  42 void Displayer::generateNameTexture (   )
  43 {
  44   glGenTextures(1, &name_texture);
  45
  46   glBindTexture(GL_TEXTURE_2D, name_texture);
  47
  48   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  49   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
  50   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  51   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  52
  53   GLubyte texture[DC_NAME_TEX_LENGTH_T][DC_NAME_TEX_LENGTH_S][3];
  54   for (int t = DC_NAME_TEX_LENGTH_T; t--; )
  55     for (int s = DC_NAME_TEX_LENGTH_S; s--; )
  56       texture[t][s][0] = texture[t][s][1] = texture[t][s][2] = 0;
  57
  58   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, DC_NAME_TEX_LENGTH_S,
  59    DC_NAME_TEX_LENGTH_T, GL_FALSE, GL_RGB, GL_UNSIGNED_BYTE, texture);
  60
  61   if (MetaState::mode & CM_SOLO) {
  62
  63     int width = String::stringWidth(MetaState::player_name,
  64      DC_NAME_TEX_LENGTH_S);
  65
  66     GLubyte *name_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  67     String::fillStringTexture(MetaState::player_name, name_subtexture, width);
  68
  69     glTexSubImage2D(GL_TEXTURE_2D, 0, (DC_NAME_TEX_LENGTH_S - width) / 2,
  70      (DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH) / 2, width,
  71      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, name_subtexture);
  72
  73     if (name_subtexture != null) {
  74       delete [] name_subtexture;
  75       name_subtexture = null;
  76     }
  77
  78   } else {
  79     int x;
  80     int width;
  81     GLubyte *string_subtexture;
  82
  83     width = String::stringWidth(DC_VS_STRING, DC_NAME_TEX_LENGTH_S);
  84
  85     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  86     String::fillStringTexture(DC_VS_STRING, string_subtexture, width);
  87
  88     glTexSubImage2D(GL_TEXTURE_2D, 0, (DC_NAME_TEX_LENGTH_S - width) / 2,
  89      (DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH) / 2, width,
  90      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
  91
  92     if (string_subtexture != null) {
  93       delete [] string_subtexture;
  94       string_subtexture = null;
  95     }
  96
  97     width = String::stringWidth(MetaState::player_name, DC_NAME_TEX_LENGTH_S);
  98
  99     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
 100     String::fillStringTexture(MetaState::player_name, string_subtexture, width);
 101
 102     if (width >= 2 * DC_NAME_TEX_LENGTH_S / 3)
 103       x = 0;
 104     else
 105       x = ((2 * DC_NAME_TEX_LENGTH_S / 3) - width) / 2;
 106     glTexSubImage2D(GL_TEXTURE_2D, 0, x, 0, width,
 107      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
 108
 109     if (string_subtexture != null) {
 110       delete [] string_subtexture;
 111       string_subtexture = null;
 112     }
 113
 114     width = String::stringWidth(Communicator::opponent_name,
 115      DC_NAME_TEX_LENGTH_S);
 116
 117     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
 118     String::fillStringTexture(Communicator::opponent_name, string_subtexture,
 119      width);
 120
 121     if (width >= 2 * DC_NAME_TEX_LENGTH_S / 3)
 122       x = DC_NAME_TEX_LENGTH_S - width;
 123     else
 124       x = DC_NAME_TEX_LENGTH_S - width
 125        - ((2 * DC_NAME_TEX_LENGTH_S / 3) - width) / 2;
 126     glTexSubImage2D(GL_TEXTURE_2D, 0, x,
 127      DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH, width,
 128      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
 129
 130     if (string_subtexture != null) {
 131       delete [] string_subtexture;
 132       string_subtexture = null;
 133     }
 134   }
 135 }