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 #include "Game.h"
  33 #include "Displayer.h"
  34
  35 GLuint Displayer::garbage_thick_middle_list;
  36
  37 void Displayer::generateGarbageThickMiddleList (   )
  38 {
  39   garbage_thick_middle_list = glGenLists(1);
  40
  41   glEnableClientState(GL_VERTEX_ARRAY);
  42   glEnableClientState(GL_NORMAL_ARRAY);
  43   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
  44
  45   glNewList(garbage_thick_middle_list, GL_COMPILE);
  46
  47     GLfloat vertices_0[3 * 4] = {
  48       1.0f, -1.0f, -1.0f,
  49       -1.0f, -1.0f, -1.0f,
  50       1.0f, 1.0f, -1.0f,
  51       -1.0f, 1.0f, -1.0f
  52     };
  53
  54     GLfloat vertices_1[3 * 4] = {
  55       -1.0f, -1.0f, 1.0f,
  56       1.0f, -1.0f, 1.0f,
  57       -1.0f, 1.0f, 1.0f,
  58       1.0f, 1.0f, 1.0f
  59     };
  60
  61     GLfloat normals_0[3 * 4] = {
  62       0.0f, 0.0f, -1.0f,
  63       0.0f, 0.0f, -1.0f,
  64       0.0f, 0.0f, -1.0f,
  65       0.0f, 0.0f, -1.0f
  66     };
  67
  68     GLfloat normals_1[3 * 4] = {
  69       0.0f, 0.0f, 1.0f,
  70       0.0f, 0.0f, 1.0f,
  71       0.0f, 0.0f, 1.0f,
  72       0.0f, 0.0f, 1.0f
  73     };
  74
  75     GLfloat tex_coords_0[3 * 4];
  76     for (int n = 3 * 4; n--; )
  77       tex_coords_0[n] = vertices_0[n] * DC_GARBAGE_LIGHTMAP_COORD_CONVERTER;
  78
  79     GLfloat tex_coords_1[3 * 4];
  80     for (int n = 3 * 4; n--; )
  81       tex_coords_1[n] = vertices_1[n] * DC_GARBAGE_LIGHTMAP_COORD_CONVERTER;
  82
  83     glVertexPointer(3, GL_FLOAT, 0, vertices_0);
  84     glNormalPointer(GL_FLOAT, 0, normals_0);
  85     glTexCoordPointer(3, GL_FLOAT, 0, tex_coords_0);
  86     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  87
  88     glVertexPointer(3, GL_FLOAT, 0, vertices_1);
  89     glNormalPointer(GL_FLOAT, 0, normals_1);
  90     glTexCoordPointer(3, GL_FLOAT, 0, tex_coords_1);
  91     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  92
  93   glEndList();
  94
  95   glDisableClientState(GL_VERTEX_ARRAY);
  96   glDisableClientState(GL_NORMAL_ARRAY);
  97   glDisableClientState(GL_TEXTURE_COORD_ARRAY);
  98 }