src/obj_garbage_thick_middle.cxx

   1 /*
   2  * garbage_thick_middle.cxx
   3  * Daniel Nelson - 9/1/0
   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  * Generates a display list for the middle of thick garbage.
  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
  37 GLuint Displayer::garbage_thick_middle_list;
  38
  39 void Displayer::generateGarbageThickMiddleList (   )
  40 {
  41   garbage_thick_middle_list = glGenLists(1);
  42
  43   glEnableClientState(GL_VERTEX_ARRAY);
  44   glEnableClientState(GL_NORMAL_ARRAY);
  45   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
  46
  47   glNewList(garbage_thick_middle_list, GL_COMPILE);
  48
  49     GLfloat vertices_0[3 * 4] = {
  50       1.0f, -1.0f, -1.0f,
  51       -1.0f, -1.0f, -1.0f,
  52       1.0f, 1.0f, -1.0f,
  53       -1.0f, 1.0f, -1.0f
  54     };
  55
  56     GLfloat vertices_1[3 * 4] = {
  57       -1.0f, -1.0f, 1.0f,
  58       1.0f, -1.0f, 1.0f,
  59       -1.0f, 1.0f, 1.0f,
  60       1.0f, 1.0f, 1.0f
  61     };
  62
  63     GLfloat normals_0[3 * 4] = {
  64       0.0f, 0.0f, -1.0f,
  65       0.0f, 0.0f, -1.0f,
  66       0.0f, 0.0f, -1.0f,
  67       0.0f, 0.0f, -1.0f
  68     };
  69
  70     GLfloat normals_1[3 * 4] = {
  71       0.0f, 0.0f, 1.0f,
  72       0.0f, 0.0f, 1.0f,
  73       0.0f, 0.0f, 1.0f,
  74       0.0f, 0.0f, 1.0f
  75     };
  76
  77     GLfloat tex_coords_0[3 * 4];
  78     for (int n = 3 * 4; n--; )
  79       tex_coords_0[n] = vertices_0[n] * DC_GARBAGE_LIGHTMAP_COORD_CONVERTER;
  80
  81     GLfloat tex_coords_1[3 * 4];
  82     for (int n = 3 * 4; n--; )
  83       tex_coords_1[n] = vertices_1[n] * DC_GARBAGE_LIGHTMAP_COORD_CONVERTER;
  84
  85     glVertexPointer(3, GL_FLOAT, 0, vertices_0);
  86     glNormalPointer(GL_FLOAT, 0, normals_0);
  87     glTexCoordPointer(3, GL_FLOAT, 0, tex_coords_0);
  88     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  89
  90     glVertexPointer(3, GL_FLOAT, 0, vertices_1);
  91     glNormalPointer(GL_FLOAT, 0, normals_1);
  92     glTexCoordPointer(3, GL_FLOAT, 0, tex_coords_1);
  93     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  94
  95   glEndList();
  96
  97   glDisableClientState(GL_VERTEX_ARRAY);
  98   glDisableClientState(GL_NORMAL_ARRAY);
  99   glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 100 }