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].joystickdata[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(int 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].joystickdata[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].joystickdata[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,0);
 117 }
 118
 119 void TapeStartPlaying()
 120 {
 121   if (TAPE_IS_EMPTY(tape))
 122     return;
 123
 124   if (!TAPE_IS_STOPPED(tape))
 125     TapeStop();
 126
 127   tape.counter = 0;
 128   tape.delay_played = 0;
 129   tape.pause_before_death = FALSE;
 130   tape.recording = FALSE;
 131   tape.playing = TRUE;
 132   tape.pausing = FALSE;
 133   tape.fast_forward = FALSE;
 134   InitRND(tape.random_seed);
 135
 136   DrawVideoDisplay(VIDEO_STATE_PLAY_ON,0);
 137   DrawVideoDisplay(VIDEO_STATE_DATE_ON,tape.date);
 138   DrawVideoDisplay(VIDEO_STATE_TIME_ON,0);
 139 }
 140
 141 void TapeStopPlaying()
 142 {
 143   if (!tape.playing)
 144     return;
 145
 146   tape.playing = FALSE;
 147   tape.pausing = FALSE;
 148   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF,0);
 149 }
 150
 151 int *TapePlayAction()
 152 {
 153   static int joy[MAX_PLAYERS];
 154   int i;
 155
 156   if (!tape.playing || tape.pausing)
 157     return(NULL);
 158
 159   if (tape.counter>=tape.length)
 160   {
 161     TapeStop();
 162     return(NULL);
 163   }
 164
 165   if (tape.delay_played == tape.pos[tape.counter].delay)
 166   {
 167     tape.delay_played = 0;
 168     tape.counter++;
 169
 170     for(i=0; i<MAX_PLAYERS; i++)
 171       joy[i] = tape.pos[tape.counter-1].joystickdata[i];
 172
 173     return(joy);
 174   }
 175
 176   return(NULL);
 177 }
 178
 179 BOOL TapePlayDelay()
 180 {
 181   if (!tape.playing || tape.pausing)
 182     return(FALSE);
 183
 184   if (tape.pause_before_death)  /* STOP 10s BEFORE PLAYER GETS KILLED... */
 185   {
 186     if (!(FrameCounter % 5))
 187     {
 188       if (2*(FrameCounter/10) == FrameCounter/5)
 189         DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, VIDEO_DISPLAY_LABEL_ONLY);
 190       else
 191         DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF, VIDEO_DISPLAY_LABEL_ONLY);
 192     }
 193
 194     if (level.time-TimeLeft > tape.length_seconds - PAUSE_SECONDS_BEFORE_DEATH)
 195     {
 196       TapeTogglePause();
 197       return(FALSE);
 198     }
 199   }
 200
 201   if (tape.counter>=tape.length)
 202   {
 203     TapeStop();
 204     return(TRUE);
 205   }
 206
 207   if (tape.delay_played < tape.pos[tape.counter].delay)
 208   {
 209     tape.delay_played++;
 210     return(TRUE);
 211   }
 212   else
 213     return(FALSE);
 214 }
 215
 216 void TapeStop()
 217 {
 218   TapeStopRecording();
 219   TapeStopPlaying();
 220
 221   DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
 222   if (tape.date && tape.length)
 223   {
 224     DrawVideoDisplay(VIDEO_STATE_DATE_ON,tape.date);
 225     DrawVideoDisplay(VIDEO_STATE_TIME_ON,tape.length_seconds);
 226   }
 227 }
 228
 229 void TapeErase()
 230 {
 231   tape.length = 0;
 232 }
 233
 234 unsigned int GetTapeLength()
 235 {
 236   unsigned int tape_length = 0;
 237   int i;
 238
 239   if (TAPE_IS_EMPTY(tape))
 240     return(0);
 241
 242   for(i=0;i<tape.length;i++)
 243     tape_length += tape.pos[i].delay;
 244
 245   return(tape_length * GAME_FRAME_DELAY / 100);
 246 }