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