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 #ifndef _WIN32
  31 #else
  32 #  include <glext.h>
  33 #endif
  34
  35 using namespace std;
  36
  37 #include "Game.h"
  38 #include "Displayer.h"
  39 #include "String.h"
  40 #include "MetaState.h"
  41 #include "Communicator.h"
  42
  43 GLuint Displayer::name_texture;
  44
  45 void Displayer::generateNameTexture (   )
  46 {
  47   glGenTextures(1, &name_texture);
  48
  49   glBindTexture(GL_TEXTURE_2D, name_texture);
  50
  51   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  52   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
  53   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  54   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  55
  56   GLubyte texture[DC_NAME_TEX_LENGTH_T][DC_NAME_TEX_LENGTH_S][3];
  57   for (int t = DC_NAME_TEX_LENGTH_T; t--; )
  58     for (int s = DC_NAME_TEX_LENGTH_S; s--; )
  59       texture[t][s][0] = texture[t][s][1] = texture[t][s][2] = 0;
  60
  61   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, DC_NAME_TEX_LENGTH_S,
  62    DC_NAME_TEX_LENGTH_T, GL_FALSE, GL_RGB, GL_UNSIGNED_BYTE, texture);
  63
  64   if (MetaState::mode & CM_SOLO) {
  65
  66     int width = String::stringWidth(MetaState::player_name,
  67      DC_NAME_TEX_LENGTH_S);
  68
  69     GLubyte *name_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  70     String::fillStringTexture(MetaState::player_name, name_subtexture, width);
  71
  72     glTexSubImage2D(GL_TEXTURE_2D, 0, (DC_NAME_TEX_LENGTH_S - width) / 2,
  73      (DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH) / 2, width,
  74      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, name_subtexture);
  75
  76     if (name_subtexture != null) {
  77       delete [] name_subtexture;
  78       name_subtexture = null;
  79     }
  80
  81   } else {
  82     int x;
  83     int width;
  84     GLubyte *string_subtexture;
  85
  86     width = String::stringWidth(DC_VS_STRING, DC_NAME_TEX_LENGTH_S);
  87
  88     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
  89     String::fillStringTexture(DC_VS_STRING, string_subtexture, width);
  90
  91     glTexSubImage2D(GL_TEXTURE_2D, 0, (DC_NAME_TEX_LENGTH_S - width) / 2,
  92      (DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH) / 2, width,
  93      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
  94
  95     if (string_subtexture != null) {
  96       delete [] string_subtexture;
  97       string_subtexture = null;
  98     }
  99
 100     width = String::stringWidth(MetaState::player_name, DC_NAME_TEX_LENGTH_S);
 101
 102     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
 103     String::fillStringTexture(MetaState::player_name, string_subtexture, width);
 104
 105     if (width >= 2 * DC_NAME_TEX_LENGTH_S / 3)
 106       x = 0;
 107     else
 108       x = ((2 * DC_NAME_TEX_LENGTH_S / 3) - width) / 2;
 109     glTexSubImage2D(GL_TEXTURE_2D, 0, x, 0, width,
 110      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
 111
 112     if (string_subtexture != null) {
 113       delete [] string_subtexture;
 114       string_subtexture = null;
 115     }
 116
 117     width = String::stringWidth(Communicator::opponent_name,
 118      DC_NAME_TEX_LENGTH_S);
 119
 120     string_subtexture = new GLubyte[DC_LETTER_TEX_LENGTH * width * 4];
 121     String::fillStringTexture(Communicator::opponent_name, string_subtexture,
 122      width);
 123
 124     if (width >= 2 * DC_NAME_TEX_LENGTH_S / 3)
 125       x = DC_NAME_TEX_LENGTH_S - width;
 126     else
 127       x = DC_NAME_TEX_LENGTH_S - width
 128        - ((2 * DC_NAME_TEX_LENGTH_S / 3) - width) / 2;
 129     glTexSubImage2D(GL_TEXTURE_2D, 0, x,
 130      DC_NAME_TEX_LENGTH_T - DC_LETTER_TEX_LENGTH, width,
 131      DC_LETTER_TEX_LENGTH, GL_RGBA, GL_UNSIGNED_BYTE, string_subtexture);
 132
 133     if (string_subtexture != null) {
 134       delete [] string_subtexture;
 135       string_subtexture = null;
 136     }
 137   }
 138 }