src/tape.c

   1 /***********************************************************
   2 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
   3 *----------------------------------------------------------*
   4 *  (c) 1995-98 Artsoft Entertainment                       *
   5 *              Holger Schemel                              *
   6 *              Oststrasse 11a                              *
   7 *              33604 Bielefeld                             *
   8 *              phone: ++49 +521 290471                     *
   9 *              email: aeglos@valinor.owl.de                *
  10 *----------------------------------------------------------*
  11 *  tape.c                                                  *
  12 ***********************************************************/
  13
  14 #include "tape.h"
  15 #include "misc.h"
  16 #include "game.h"
  17 #include "buttons.h"
  18
  19 void TapeStartRecording()
  20 {
  21   time_t zeit1 = time(NULL);
  22   struct tm *zeit2 = localtime(&zeit1);
  23   int i;
  24
  25   if (!TAPE_IS_STOPPED(tape))
  26     TapeStop();
  27
  28   tape.level_nr = level_nr;
  29   tape.length = 0;
  30   tape.counter = 0;
  31   tape.pos[tape.counter].delay = 0;
  32   tape.recording = TRUE;
  33   tape.playing = FALSE;
  34   tape.pausing = FALSE;
  35   tape.changed = TRUE;
  36   tape.date = 10000*(zeit2->tm_year%100) + 100*zeit2->tm_mon + zeit2->tm_mday;
  37   tape.random_seed = InitRND(NEW_RANDOMIZE);
  38
  39   for(i=0; i<MAX_PLAYERS; i++)
  40     tape.player_participates[i] = FALSE;
  41
  42   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
  43   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
  44   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
  45 }
  46
  47 void TapeStopRecording()
  48 {
  49   int i;
  50
  51   if (!tape.recording)
  52     return;
  53
  54   for(i=0; i<MAX_PLAYERS; i++)
  55     tape.pos[tape.counter].action[i] = 0;
  56
  57   tape.counter++;
  58   tape.length = tape.counter;
  59   tape.length_seconds = GetTapeLength();
  60   tape.recording = FALSE;
  61   tape.pausing = FALSE;
  62   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
  63 }
  64
  65 void TapeRecordAction(byte joy[MAX_PLAYERS])
  66 {
  67   int i;
  68
  69   if (!tape.recording || tape.pausing)
  70     return;
  71
  72   if (tape.counter >= MAX_TAPELEN-1)
  73   {
  74     TapeStopRecording();
  75     return;
  76   }
  77
  78   for(i=0; i<MAX_PLAYERS; i++)
  79     tape.pos[tape.counter].action[i] = joy[i];
  80
  81   tape.counter++;
  82   tape.pos[tape.counter].delay = 0;
  83 }
  84
  85 void TapeRecordDelay()
  86 {
  87   int i;
  88
  89   if (!tape.recording || tape.pausing)
  90     return;
  91
  92   if (tape.counter >= MAX_TAPELEN)
  93   {
  94     TapeStopRecording();
  95     return;
  96   }
  97
  98   tape.pos[tape.counter].delay++;
  99
 100   if (tape.pos[tape.counter].delay >= 255)
 101   {
 102     for(i=0; i<MAX_PLAYERS; i++)
 103       tape.pos[tape.counter].action[i] = 0;
 104
 105     tape.counter++;
 106     tape.pos[tape.counter].delay = 0;
 107   }
 108 }
 109
 110 void TapeTogglePause()
 111 {
 112   if (!tape.recording && !tape.playing)
 113     return;
 114
 115   tape.pausing = !tape.pausing;
 116   tape.fast_forward = FALSE;
 117   tape.pause_before_death = FALSE;
 118   DrawVideoDisplay((tape.pausing ?
 119                     VIDEO_STATE_PAUSE_ON :
 120                     VIDEO_STATE_PAUSE_OFF) | VIDEO_STATE_PBEND_OFF,
 121                    0);
 122 }
 123
 124 void TapeStartPlaying()
 125 {
 126   if (TAPE_IS_EMPTY(tape))
 127     return;
 128
 129   if (!TAPE_IS_STOPPED(tape))
 130     TapeStop();
 131
 132   tape.counter = 0;
 133   tape.delay_played = 0;
 134   tape.pause_before_death = FALSE;
 135   tape.recording = FALSE;
 136   tape.playing = TRUE;
 137   tape.pausing = FALSE;
 138   tape.fast_forward = FALSE;
 139   InitRND(tape.random_seed);
 140
 141   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 142   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 143   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 144 }
 145
 146 void TapeStopPlaying()
 147 {
 148   if (!tape.playing)
 149     return;
 150
 151   tape.playing = FALSE;
 152   tape.pausing = FALSE;
 153   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 154 }
 155
 156 byte *TapePlayAction()
 157 {
 158   static byte joy[MAX_PLAYERS];
 159   int i;
 160
 161   if (!tape.playing || tape.pausing)
 162     return(NULL);
 163
 164   if (tape.counter >= tape.length)
 165   {
 166     TapeStop();
 167     return(NULL);
 168   }
 169
 170   if (tape.delay_played == tape.pos[tape.counter].delay)
 171   {
 172     tape.delay_played = 0;
 173     tape.counter++;
 174
 175     for(i=0; i<MAX_PLAYERS; i++)
 176       joy[i] = tape.pos[tape.counter-1].action[i];
 177   }
 178   else
 179   {
 180     for(i=0; i<MAX_PLAYERS; i++)
 181       joy[i] = 0;
 182   }
 183
 184   return(joy);
 185 }
 186
 187 boolean TapePlayDelay()
 188 {
 189   if (!tape.playing || tape.pausing)
 190     return(FALSE);
 191
 192   if (tape.pause_before_death)  /* STOP 10s BEFORE PLAYER GETS KILLED... */
 193   {
 194     if (!(FrameCounter % 20))
 195     {
 196       if ((FrameCounter / 20) % 2)
 197         DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
 198       else
 199         DrawVideoDisplay(VIDEO_STATE_PBEND_OFF, VIDEO_DISPLAY_LABEL_ONLY);
 200     }
 201
 202     if (level.time-TimeLeft > tape.length_seconds - PAUSE_SECONDS_BEFORE_DEATH)
 203     {
 204       TapeTogglePause();
 205       return(FALSE);
 206     }
 207   }
 208
 209   if (tape.counter >= tape.length)
 210   {
 211     TapeStop();
 212     return(TRUE);
 213   }
 214
 215   if (tape.delay_played < tape.pos[tape.counter].delay)
 216   {
 217     tape.delay_played++;
 218     return(TRUE);
 219   }
 220   else
 221     return(FALSE);
 222 }
 223
 224 void TapeStop()
 225 {
 226   TapeStopRecording();
 227   TapeStopPlaying();
 228
 229   DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
 230   if (tape.date && tape.length)
 231   {
 232     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 233     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 234   }
 235 }
 236
 237 void TapeErase()
 238 {
 239   tape.length = 0;
 240 }
 241
 242 unsigned int GetTapeLength()
 243 {
 244   unsigned int tape_length = 0;
 245   int i;
 246
 247   if (TAPE_IS_EMPTY(tape))
 248     return(0);
 249
 250   for(i=0;i<tape.length;i++)
 251     tape_length += tape.pos[i].delay;
 252
 253   return(tape_length * GAME_FRAME_DELAY / 1000);
 254 }