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   unsigned long state;
 113
 114   if (!tape.recording && !tape.playing)
 115     return;
 116
 117   tape.pausing = !tape.pausing;
 118   tape.fast_forward = FALSE;
 119   tape.pause_before_death = FALSE;
 120
 121   state = (tape.pausing ? VIDEO_STATE_PAUSE_ON : VIDEO_STATE_PAUSE_OFF);
 122   if (tape.playing)
 123     state |= VIDEO_STATE_PBEND_OFF;
 124
 125   DrawVideoDisplay(state, 0);
 126 }
 127
 128 void TapeStartPlaying()
 129 {
 130   if (TAPE_IS_EMPTY(tape))
 131     return;
 132
 133   if (!TAPE_IS_STOPPED(tape))
 134     TapeStop();
 135
 136   tape.counter = 0;
 137   tape.delay_played = 0;
 138   tape.pause_before_death = FALSE;
 139   tape.recording = FALSE;
 140   tape.playing = TRUE;
 141   tape.pausing = FALSE;
 142   tape.fast_forward = FALSE;
 143   InitRND(tape.random_seed);
 144
 145   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 146   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 147   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 148 }
 149
 150 void TapeStopPlaying()
 151 {
 152   if (!tape.playing)
 153     return;
 154
 155   tape.playing = FALSE;
 156   tape.pausing = FALSE;
 157   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 158 }
 159
 160 byte *TapePlayAction()
 161 {
 162   static byte joy[MAX_PLAYERS];
 163   int i;
 164
 165   if (!tape.playing || tape.pausing)
 166     return(NULL);
 167
 168   if (tape.counter >= tape.length)
 169   {
 170     TapeStop();
 171     return(NULL);
 172   }
 173
 174   if (tape.delay_played == tape.pos[tape.counter].delay)
 175   {
 176     tape.delay_played = 0;
 177     tape.counter++;
 178
 179     for(i=0; i<MAX_PLAYERS; i++)
 180       joy[i] = tape.pos[tape.counter-1].action[i];
 181   }
 182   else
 183   {
 184     for(i=0; i<MAX_PLAYERS; i++)
 185       joy[i] = 0;
 186   }
 187
 188   return(joy);
 189 }
 190
 191 boolean TapePlayDelay()
 192 {
 193   if (!tape.playing || tape.pausing)
 194     return(FALSE);
 195
 196   if (tape.pause_before_death)  /* STOP 10s BEFORE PLAYER GETS KILLED... */
 197   {
 198     if (!(FrameCounter % 20))
 199     {
 200       if ((FrameCounter / 20) % 2)
 201         DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
 202       else
 203         DrawVideoDisplay(VIDEO_STATE_PBEND_OFF, VIDEO_DISPLAY_LABEL_ONLY);
 204     }
 205
 206     if (TimePlayed > tape.length_seconds - PAUSE_SECONDS_BEFORE_DEATH)
 207     {
 208       TapeTogglePause();
 209       return(FALSE);
 210     }
 211   }
 212
 213   if (tape.counter >= tape.length)
 214   {
 215     TapeStop();
 216     return(TRUE);
 217   }
 218
 219   if (tape.delay_played < tape.pos[tape.counter].delay)
 220   {
 221     tape.delay_played++;
 222     return(TRUE);
 223   }
 224   else
 225     return(FALSE);
 226 }
 227
 228 void TapeStop()
 229 {
 230   TapeStopRecording();
 231   TapeStopPlaying();
 232
 233   DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
 234   if (tape.date && tape.length)
 235   {
 236     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 237     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 238   }
 239 }
 240
 241 void TapeErase()
 242 {
 243   tape.length = 0;
 244 }
 245
 246 unsigned int GetTapeLength()
 247 {
 248   unsigned int tape_length = 0;
 249   int i;
 250
 251   if (TAPE_IS_EMPTY(tape))
 252     return(0);
 253
 254   for(i=0;i<tape.length;i++)
 255     tape_length += tape.pos[i].delay;
 256
 257   return(tape_length * GAME_FRAME_DELAY / 1000);
 258 }