src/DrawCountDown.cxx

   1 /*
   2  * DrawCountDown.cxx
   3  * Daniel Nelson - 10/27/0
   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  * Draws the game start count down.
  26  */
  27
  28 #include <GL/glut.h>
  29
  30 #include "glext.h"
  31
  32 #include "Game.h"
  33 #include "Displayer.h"
  34 #include "CountDownManager.h"
  35 #include "MessageManager.h"
  36
  37 void Displayer::drawCountDown_inline_split_ (   )
  38 {
  39   glBindTexture(GL_TEXTURE_2D, message_texture);
  40
  41   glPushMatrix();
  42
  43     GLfloat lambda = CountDownManager::message_switch_alarm
  44      * (1.0f / (GLfloat) (GC_START_PAUSE_DELAY / 3));
  45
  46     if (CountDownManager::state != 0) {
  47       glColor4f(1.0f, 1.0f, 1.0f, lambda);
  48
  49       glTranslatef(0.0f, lambda * lambda * (DC_GRID_ELEMENT_LENGTH
  50        * GC_SAFE_HEIGHT * (1.0f - DC_COUNT_DOWN_HEIGHT_RATIO))
  51        + (DC_PLAY_OFFSET_Y + DC_GRID_ELEMENT_LENGTH * GC_SAFE_HEIGHT
  52        * DC_COUNT_DOWN_HEIGHT_RATIO), DC_PLAY_OFFSET_Z);
  53
  54       glScalef((1.0f - lambda) * (1.0f - lambda)
  55        * (DC_COUNT_DOWN_MAX_SCALE - 1.0f) + 1.0f,
  56        (1.0f - lambda) * (1.0f - lambda)
  57        * (DC_COUNT_DOWN_MAX_SCALE - 1.0f) + 1.0f, 1.0f);
  58
  59     } else {
  60       if (lambda > DC_COUNT_DOWN_GO_INFLECTION)
  61         lambda = 1.0f;
  62       else
  63         lambda = Game::sqrt(lambda * (1.0f / DC_COUNT_DOWN_GO_INFLECTION));
  64
  65       glColor4f(1.0f, 1.0f, 1.0f, lambda);
  66
  67       glTranslatef(0.0f, DC_PLAY_OFFSET_Y + DC_GRID_ELEMENT_LENGTH
  68        * GC_SAFE_HEIGHT * 0.5f, DC_PLAY_OFFSET_Z);
  69
  70       glScalef(DC_COUNT_DOWN_MAX_SCALE, DC_COUNT_DOWN_MAX_SCALE, 1.0f);
  71     }
  72
  73   if (MessageManager::message_shape & MS_1x1)
  74     glCallList(message_1x1_list);
  75   else if (MessageManager::message_shape & MS_2x1)
  76     glCallList(message_2x1_list);
  77   else
  78     glCallList(message_4x1_list);
  79
  80
  81   glPopMatrix();
  82 }