src/tape.c

   1 /***********************************************************
   2 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
   3 *----------------------------------------------------------*
   4 *  ©1997 Artsoft Development                               *
   5 *        Holger Schemel                                    *
   6 *        33604 Bielefeld                                   *
   7 *        Telefon: (0521) 290471                            *
   8 *        eMail: aeglos@valinor.owl.de                      *
   9 *               aeglos@uni-paderborn.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.changed = TRUE;
  32   tape.recording = TRUE;
  33   tape.playing = FALSE;
  34   tape.pausing = FALSE;
  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   if (!tape.recording)
  46     return;
  47
  48   tape.pos[tape.counter].joystickdata = 0;
  49   tape.counter++;
  50   tape.length = tape.counter;
  51   tape.length_seconds = GetTapeLength();
  52   tape.recording = FALSE;
  53   tape.pausing = FALSE;
  54   DrawVideoDisplay(VIDEO_STATE_REC_OFF,0);
  55 }
  56
  57 void TapeRecordAction(int joy)
  58 {
  59   if (!tape.recording || tape.pausing)
  60     return;
  61
  62   if (tape.counter>=MAX_TAPELEN-1)
  63   {
  64     TapeStopRecording();
  65     return;
  66   }
  67
  68   if (joy)
  69   {
  70     tape.pos[tape.counter].joystickdata = joy;
  71     tape.counter++;
  72     tape.pos[tape.counter].delay = 0;
  73   }
  74 }
  75
  76 void TapeRecordDelay()
  77 {
  78   if (!tape.recording || tape.pausing)
  79     return;
  80
  81   if (tape.counter>=MAX_TAPELEN)
  82   {
  83     TapeStopRecording();
  84     return;
  85   }
  86
  87   tape.pos[tape.counter].delay++;
  88
  89   if (tape.pos[tape.counter].delay>=255)
  90   {
  91     tape.pos[tape.counter].joystickdata = 0;
  92     tape.counter++;
  93     tape.pos[tape.counter].delay = 0;
  94   }
  95 }
  96
  97 void TapeTogglePause()
  98 {
  99   if (!tape.recording && !tape.playing)
 100     return;
 101
 102   tape.pausing = !tape.pausing;
 103   tape.fast_forward = FALSE;
 104   tape.pause_before_death = FALSE;
 105   DrawVideoDisplay(tape.pausing ?
 106                    VIDEO_STATE_PAUSE_ON :
 107                    VIDEO_STATE_PAUSE_OFF,0);
 108 }
 109
 110 void TapeStartPlaying()
 111 {
 112   if (TAPE_IS_EMPTY(tape))
 113     return;
 114
 115   if (!TAPE_IS_STOPPED(tape))
 116     TapeStop();
 117
 118   tape.counter = 0;
 119   tape.delay_played = 0;
 120   tape.pause_before_death = FALSE;
 121   tape.recording = FALSE;
 122   tape.playing = TRUE;
 123   tape.pausing = FALSE;
 124   tape.fast_forward = FALSE;
 125   InitRND(tape.random_seed);
 126
 127   DrawVideoDisplay(VIDEO_STATE_PLAY_ON,0);
 128   DrawVideoDisplay(VIDEO_STATE_DATE_ON,tape.date);
 129   DrawVideoDisplay(VIDEO_STATE_TIME_ON,0);
 130 }
 131
 132 void TapeStopPlaying()
 133 {
 134   if (!tape.playing)
 135     return;
 136
 137   tape.playing = FALSE;
 138   tape.pausing = FALSE;
 139   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF,0);
 140 }
 141
 142 int TapePlayAction()
 143 {
 144   if (!tape.playing || tape.pausing)
 145     return(0);
 146
 147   if (tape.counter>=tape.length)
 148   {
 149     TapeStopPlaying();
 150     return(0);
 151   }
 152
 153   if (tape.delay_played == tape.pos[tape.counter].delay)
 154   {
 155     tape.delay_played = 0;
 156     tape.counter++;
 157     return(tape.pos[tape.counter-1].joystickdata);
 158   }
 159   else
 160     return(0);
 161 }
 162
 163 BOOL TapePlayDelay()
 164 {
 165   if (!tape.playing || tape.pausing)
 166     return(FALSE);
 167
 168   if (tape.pause_before_death)  /* STOP 10s BEFORE PLAYER GETS KILLED... */
 169   {
 170     if (!(FrameCounter % 5))
 171     {
 172       if (2*(FrameCounter/10) == FrameCounter/5)
 173         DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, VIDEO_DISPLAY_LABEL_ONLY);
 174       else
 175         DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF, VIDEO_DISPLAY_LABEL_ONLY);
 176     }
 177
 178     if (level.time-TimeLeft > tape.length_seconds - PAUSE_SECONDS_BEFORE_DEATH)
 179     {
 180       TapeTogglePause();
 181       return(FALSE);
 182     }
 183   }
 184
 185   if (tape.counter>=tape.length)
 186   {
 187     TapeStopPlaying();
 188     return(TRUE);
 189   }
 190
 191   if (tape.delay_played < tape.pos[tape.counter].delay)
 192   {
 193     tape.delay_played++;
 194     return(TRUE);
 195   }
 196   else
 197     return(FALSE);
 198 }
 199
 200 void TapeStop()
 201 {
 202   TapeStopRecording();
 203   TapeStopPlaying();
 204
 205   DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
 206   if (tape.date && tape.length)
 207   {
 208     DrawVideoDisplay(VIDEO_STATE_DATE_ON,tape.date);
 209     DrawVideoDisplay(VIDEO_STATE_TIME_ON,tape.length_seconds);
 210   }
 211 }
 212
 213 void TapeErase()
 214 {
 215   tape.length = 0;
 216 }
 217
 218 unsigned int GetTapeLength()
 219 {
 220   unsigned int tape_length = 0;
 221   int i;
 222
 223   if (TAPE_IS_EMPTY(tape))
 224     return(0);
 225
 226   for(i=0;i<tape.length;i++)
 227     tape_length += tape.pos[i].delay;
 228
 229   return(tape_length * GAME_FRAME_DELAY / 100);
 230 }