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 #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
  40 GLuint Displayer::garbage_thick_middle_list;
  41
  42 void Displayer::generateGarbageThickMiddleList (   )
  43 {
  44   garbage_thick_middle_list = glGenLists(1);
  45
  46   glEnableClientState(GL_VERTEX_ARRAY);
  47   glEnableClientState(GL_NORMAL_ARRAY);
  48   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
  49
  50   glNewList(garbage_thick_middle_list, GL_COMPILE);
  51
  52     GLfloat vertices_0[3 * 4] = {
  53       1.0f, -1.0f, -1.0f,
  54       -1.0f, -1.0f, -1.0f,
  55       1.0f, 1.0f, -1.0f,
  56       -1.0f, 1.0f, -1.0f
  57     };
  58
  59     GLfloat vertices_1[3 * 4] = {
  60       -1.0f, -1.0f, 1.0f,
  61       1.0f, -1.0f, 1.0f,
  62       -1.0f, 1.0f, 1.0f,
  63       1.0f, 1.0f, 1.0f
  64     };
  65
  66     GLfloat normals_0[3 * 4] = {
  67       0.0f, 0.0f, -1.0f,
  68       0.0f, 0.0f, -1.0f,
  69       0.0f, 0.0f, -1.0f,
  70       0.0f, 0.0f, -1.0f
  71     };
  72
  73     GLfloat normals_1[3 * 4] = {
  74       0.0f, 0.0f, 1.0f,
  75       0.0f, 0.0f, 1.0f,
  76       0.0f, 0.0f, 1.0f,
  77       0.0f, 0.0f, 1.0f
  78     };
  79
  80     GLfloat tex_coords_0[3 * 4];
  81     for (int n = 3 * 4; n--; )
  82       tex_coords_0[n] = vertices_0[n] * DC_GARBAGE_LIGHTMAP_COORD_CONVERTER;
  83
  84     GLfloat tex_coords_1[3 * 4];
  85     for (int n = 3 * 4; n--; )
  86       tex_coords_1[n] = vertices_1[n] * DC_GARBAGE_LIGHTMAP_COORD_CONVERTER;
  87
  88     glVertexPointer(3, GL_FLOAT, 0, vertices_0);
  89     glNormalPointer(GL_FLOAT, 0, normals_0);
  90     glTexCoordPointer(3, GL_FLOAT, 0, tex_coords_0);
  91     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  92
  93     glVertexPointer(3, GL_FLOAT, 0, vertices_1);
  94     glNormalPointer(GL_FLOAT, 0, normals_1);
  95     glTexCoordPointer(3, GL_FLOAT, 0, tex_coords_1);
  96     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  97
  98   glEndList();
  99
 100   glDisableClientState(GL_VERTEX_ARRAY);
 101   glDisableClientState(GL_NORMAL_ARRAY);
 102   glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 103 };