src/Clock.h

   1 /*
   2  * Clock.h
   3  * Daniel Nelson - 8/24/0
   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
  26 #ifndef CLOCK_H
  27 #define CLOCK_H
  28
  29
  30 #include "Game.h"
  31
  32 /* static */ class Clock {
  33 public:
  34   static void gameStart (   );
  35
  36   static inline void timeStepPlay (   )
  37   {
  38     if (++tick != GC_STEPS_PER_SECOND) return;
  39     tick = 0;
  40     previous_digits[0] = digits[0];
  41     previous_digits[1] = digits[1];
  42     previous_digits[2] = digits[2];
  43     previous_digits[3] = digits[3];
  44     if (++digits[0] == 10) {
  45       digits[0] = 0;
  46       if (++digits[1] == 6) {
  47         digits[1] = 0;
  48         if (++digits[2] == 10) {
  49           digits[2] = 0;
  50           if (++digits[3] == 6)
  51             digits[3] = 0;
  52         }
  53       }
  54     }
  55   }
  56
  57   static inline void timeStepMeta (   )
  58   /*
  59    * Ensures competion of the final tick fade after game end.
  60    */
  61   {
  62     if (tick == -1) return;
  63     if (++tick != GC_STEPS_PER_SECOND) return;
  64     tick = -1;
  65     previous_digits[0] = digits[0];
  66     previous_digits[1] = digits[1];
  67     previous_digits[2] = digits[2];
  68     previous_digits[3] = digits[3];
  69   }
  70
  71   static short digits[4];
  72   static short previous_digits[4];
  73   static int tick;
  74 };
  75
  76 #endif