src/obj_block.cxx

   1 /*
   2  * block.cxx
   3  * Daniel Nelson - 8/31/0
   4  *
   5  * Copyright (C) 2006  Bjørn Lindeijer
   6  * Copyright (C) 2000  Daniel Nelson
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  * Daniel Nelson - aluminumangel.org
  23  * 174 W. 18th Ave.
  24  * Columbus, OH  43210
  25  *
  26  * Generates the block's two display lists.
  27  */
  28
  29 #include <GL/glut.h>
  30
  31 #include "glext.h"
  32
  33 #include <cstring>
  34
  35 #include "Game.h"
  36 #include "Displayer.h"
  37 #include "OBJModel.h"
  38
  39 GLuint Displayer::block_list;
  40 GLuint Displayer::small_block_list;
  41 GLuint Displayer::special_block_list;
  42
  43 GLuint Displayer::special_block_lightmap;
  44
  45 void Displayer::generateBlockDisplayList (   )
  46 {
  47   OBJModel *block_model = NULL;
  48   OBJModel *block_model_tex = NULL;
  49
  50   if (MetaState::mode & CM_LOW_GRAPHICS) {
  51     block_model = new OBJModel(GC_MODEL_DIRECTORY("crackattackcubemedres.obj"));
  52     block_model_tex = new OBJModel(GC_MODEL_DIRECTORY("crackattackcubemedres_tex.obj"));
  53   } else {
  54     block_model = new OBJModel(GC_MODEL_DIRECTORY("crackattackcubehires.obj"));
  55     block_model_tex = new OBJModel(GC_MODEL_DIRECTORY("crackattackcubehires_tex.obj"));
  56   }
  57   block_list = glGenLists(1);
  58   glNewList(block_list, GL_COMPILE);
  59     block_model->render();
  60   glEndList();
  61
  62   // Now let's make one for pulsing blocks (has texture coordinates)
  63
  64   special_block_list = glGenLists(1);
  65   glNewList(special_block_list, GL_COMPILE);
  66     block_model_tex->render();
  67   glEndList();
  68
  69   delete block_model;
  70   delete block_model_tex;
  71
  72   // Now let's make one at half that size and rotated
  73
  74   small_block_list = glGenLists(1);
  75   glNewList(small_block_list, GL_COMPILE);
  76     glPushMatrix();
  77       glRotatef(45.0f, 1.0f, 0.0f, 0.0f);
  78       glRotatef(45.0f, 0.0f, 1.0f, 0.0f);
  79       glScalef(0.5f, 0.5f, 0.5f);
  80       glEnable(GL_NORMALIZE);
  81       glCallList(block_list);
  82       glDisable(GL_NORMALIZE);
  83     glPopMatrix();
  84   glEndList();
  85
  86   // Now we build the special color blocks' gleam texture.  A texture value of
  87   // 0.6f seems to cause the special color blocks to match their standard
  88   // siblings, given the specials' double color values.
  89
  90   GLubyte texture[32];
  91   for (int n = 32; n--; )
  92     texture[n]
  93      = (GLubyte) (255.0f * (0.8f - 0.2f * cos((2.0f * PI / 32.0f) * n)));
  94
  95   glGenTextures(1, &special_block_lightmap);
  96
  97   glBindTexture(GL_TEXTURE_1D, special_block_lightmap);
  98
  99   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
 100   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 101   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 102
 103   const GLubyte* renderer = glGetString(GL_RENDERER);
 104   if (strstr((char*) renderer, "DRI 20020221 Voodoo3")) {
 105     cerr << "**********\nWARNING:"
 106       "disabling call to 1d texturing on DRI 20020221 Voodoo3 renderer "
 107       "since it segfaults\n**********" << endl;
 108     delete[] tex_coords;
 109     return;
 110   }
 111   if (strstr((char*) renderer, "865G 20021115")) {
 112     cerr << "**********\nWARNING:"
 113       "disabling call to 1d texturing on 865G 20021115 renderer "
 114       "since it segfaults\n**********" << endl;
 115     delete[] tex_coords;
 116     return;
 117   }
 118
 119   glTexImage1D(GL_TEXTURE_1D, 0, GL_LUMINANCE, 32, GL_FALSE, GL_LUMINANCE,
 120    GL_UNSIGNED_BYTE, texture);
 121   delete[] tex_coords;
 122 }