rnd-20020803-1-src
[rocksndiamonds.git] / src / tape.c
index 01948ed9e7f14ddf55f27698cb9e171dbbca544d..b219109fb3528b85246a1059312da05891ea742f 100644 (file)
@@ -1,7 +1,7 @@
 /***********************************************************
 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-* (c) 1995-2001 Artsoft Entertainment                      *
+* (c) 1995-2002 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
 #include "tools.h"
 #include "files.h"
 #include "network.h"
+#include "cartoons.h"
 
 /* tape button identifiers */
 #define TAPE_CTRL_ID_EJECT             0
-#define TAPE_CTRL_ID_STOP              1
-#define TAPE_CTRL_ID_PAUSE             2
-#define TAPE_CTRL_ID_RECORD            3
-#define TAPE_CTRL_ID_PLAY              4
+#define TAPE_CTRL_ID_INDEX             1
+#define TAPE_CTRL_ID_STOP              2
+#define TAPE_CTRL_ID_PAUSE             3
+#define TAPE_CTRL_ID_RECORD            4
+#define TAPE_CTRL_ID_PLAY              5
 
-#define NUM_TAPE_BUTTONS               5
+#define NUM_TAPE_BUTTONS               6
+
+/* values for tape handling */
+#define TAPE_PAUSE_SECONDS_BEFORE_DEATH                5
 
 /* forward declaration for internal use */
 static void HandleTapeButtons(struct GadgetInfo *);
+static void TapeStopIndexSearch();
 
 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
 
@@ -77,7 +83,7 @@ static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
 #define VIDEO_TIME_YSIZE       16
 
 /* special */
-#define VIDEO_PBEND_LABEL_XPOS 6
+#define VIDEO_PBEND_LABEL_XPOS 5
 #define VIDEO_PBEND_LABEL_YPOS 220
 #define VIDEO_PBEND_LABEL_XSIZE        35
 #define VIDEO_PBEND_LABEL_YSIZE        30
@@ -285,113 +291,192 @@ void DrawCompleteVideoDisplay()
 /* tape control functions                                                    */
 /* ========================================================================= */
 
-void TapeStartRecording()
+void TapeErase()
 {
-  time_t zeit1 = time(NULL);
-  struct tm *zeit2 = localtime(&zeit1);
+  time_t epoch_seconds = time(NULL);
+  struct tm *time = localtime(&epoch_seconds);
   int i;
 
-  if (!TAPE_IS_STOPPED(tape))
-    TapeStop();
-
-  tape.level_nr = level_nr;
   tape.length = 0;
   tape.counter = 0;
+
+  tape.level_nr = level_nr;
   tape.pos[tape.counter].delay = 0;
-  tape.recording = TRUE;
-  tape.playing = FALSE;
-  tape.pausing = FALSE;
   tape.changed = TRUE;
-  tape.date = 10000*(zeit2->tm_year%100) + 100*zeit2->tm_mon + zeit2->tm_mday;
+
+  tape.date = 10000*(time->tm_year % 100) + 100*time->tm_mon + time->tm_mday;
   tape.random_seed = InitRND(NEW_RANDOMIZE);
 
+  tape.file_version = FILE_VERSION_ACTUAL;
+  tape.game_version = GAME_VERSION_ACTUAL;
+  tape.engine_version = level.game_version;
+
   for(i=0; i<MAX_PLAYERS; i++)
     tape.player_participates[i] = FALSE;
+}
+
+static void TapeRewind()
+{
+  tape.counter = 0;
+  tape.delay_played = 0;
+  tape.pause_before_death = FALSE;
+  tape.recording = FALSE;
+  tape.playing = FALSE;
+  tape.fast_forward = FALSE;
+  tape.index_search = FALSE;
+  tape.quick_resume = FALSE;
+  tape.single_step = FALSE;
+
+  InitRND(tape.random_seed);
+}
+
+void TapeStartRecording()
+{
+  if (!TAPE_IS_STOPPED(tape))
+    TapeStop();
+
+  TapeErase();
+  TapeRewind();
+
+  tape.recording = TRUE;
 
   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
+  MapTapeIndexButton();
+
+  SetDrawDeactivationMask(REDRAW_NONE);
+  audio.sound_deactivated = FALSE;
 }
 
-void TapeStopRecording()
+static void TapeStartGameRecording()
 {
-  int i;
+  TapeStartRecording();
 
-  if (!tape.recording)
+#if defined(PLATFORM_UNIX)
+  if (options.network)
+    SendToServer_StartPlaying();
+  else
+#endif
+  {
+    game_status = PLAYING;
+    StopAnimation();
+    InitGame();
+  }
+}
+
+static void TapeAppendRecording()
+{
+  if (!tape.playing || !tape.pausing)
     return;
 
-  for(i=0; i<MAX_PLAYERS; i++)
-    tape.pos[tape.counter].action[i] = 0;
+  tape.pos[tape.counter].delay = tape.delay_played;
+  tape.playing = FALSE;
+  tape.recording = TRUE;
+  tape.changed = TRUE;
+
+  DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON,0);
+}
+
+void TapeHaltRecording()
+{
+  if (!tape.recording)
+    return;
 
   tape.counter++;
+  tape.pos[tape.counter].delay = 0;
+
   tape.length = tape.counter;
   tape.length_seconds = GetTapeLength();
-  tape.recording = FALSE;
-  tape.pausing = FALSE;
-  DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 }
 
-void TapeRecordAction(byte joy[MAX_PLAYERS])
+void TapeStopRecording()
 {
-  int i;
-
-  if (!tape.recording || tape.pausing)
+  if (!tape.recording)
     return;
 
-  if (tape.counter >= MAX_TAPELEN-1)
-  {
-    TapeStopRecording();
-    return;
-  }
+  TapeHaltRecording();
 
-  for(i=0; i<MAX_PLAYERS; i++)
-    tape.pos[tape.counter].action[i] = joy[i];
+  tape.recording = FALSE;
+  tape.pausing = FALSE;
 
-  tape.counter++;
-  tape.pos[tape.counter].delay = 0;
+  DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
+  MapTapeEjectButton();
 }
 
-void TapeRecordDelay()
+void TapeRecordAction(byte action[MAX_PLAYERS])
 {
   int i;
 
   if (!tape.recording || tape.pausing)
     return;
 
-  if (tape.counter >= MAX_TAPELEN)
+  if (tape.counter >= MAX_TAPELEN - 1)
   {
     TapeStopRecording();
     return;
   }
 
-  tape.pos[tape.counter].delay++;
+  if (tape.pos[tape.counter].delay > 0)                /* already stored action */
+  {
+    boolean changed_events = FALSE;
 
-  if (tape.pos[tape.counter].delay >= 255)
+    for(i=0; i<MAX_PLAYERS; i++)
+      if (tape.pos[tape.counter].action[i] != action[i])
+       changed_events = TRUE;
+
+    if (changed_events || tape.pos[tape.counter].delay >= 255)
+    {
+      tape.counter++;
+      tape.pos[tape.counter].delay = 0;
+    }
+    else
+      tape.pos[tape.counter].delay++;
+  }
+
+  if (tape.pos[tape.counter].delay == 0)       /* store new action */
   {
     for(i=0; i<MAX_PLAYERS; i++)
-      tape.pos[tape.counter].action[i] = 0;
+      tape.pos[tape.counter].action[i] = action[i];
 
-    tape.counter++;
-    tape.pos[tape.counter].delay = 0;
+    tape.pos[tape.counter].delay++;
   }
 }
 
-void TapeTogglePause()
+void TapeTogglePause(boolean toggle_manual)
 {
   unsigned long state;
 
+#if 0
   if (!tape.recording && !tape.playing)
     return;
+#endif
 
   tape.pausing = !tape.pausing;
   tape.fast_forward = FALSE;
   tape.pause_before_death = FALSE;
 
+  if (tape.single_step && toggle_manual)
+    tape.single_step = FALSE;
+
   state = (tape.pausing ? VIDEO_STATE_PAUSE_ON : VIDEO_STATE_PAUSE_OFF);
   if (tape.playing)
     state |= VIDEO_STATE_PBEND_OFF;
 
   DrawVideoDisplay(state, 0);
+
+  if (tape.index_search)
+  {
+    TapeStopIndexSearch();
+
+    if (tape.quick_resume)
+    {
+      tape.quick_resume = FALSE;
+
+      TapeAppendRecording();
+      TapeTogglePause(toggle_manual);
+    }
+  }
 }
 
 void TapeStartPlaying()
@@ -402,18 +487,26 @@ void TapeStartPlaying()
   if (!TAPE_IS_STOPPED(tape))
     TapeStop();
 
-  tape.counter = 0;
-  tape.delay_played = 0;
-  tape.pause_before_death = FALSE;
-  tape.recording = FALSE;
+  TapeRewind();
+
   tape.playing = TRUE;
-  tape.pausing = FALSE;
-  tape.fast_forward = FALSE;
-  InitRND(tape.random_seed);
 
   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
+  MapTapeIndexButton();
+
+  SetDrawDeactivationMask(REDRAW_NONE);
+  audio.sound_deactivated = FALSE;
+}
+
+static void TapeStartGamePlaying()
+{
+  TapeStartPlaying();
+
+  game_status = PLAYING;
+  StopAnimation();
+  InitGame();
 }
 
 void TapeStopPlaying()
@@ -423,44 +516,21 @@ void TapeStopPlaying()
 
   tape.playing = FALSE;
   tape.pausing = FALSE;
+
+  if (tape.index_search)
+    TapeStopIndexSearch();
+
   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
+  MapTapeEjectButton();
 }
 
 byte *TapePlayAction()
 {
-  static byte joy[MAX_PLAYERS];
+  static byte action[MAX_PLAYERS];
   int i;
 
   if (!tape.playing || tape.pausing)
-    return(NULL);
-
-  if (tape.counter >= tape.length)
-  {
-    TapeStop();
-    return(NULL);
-  }
-
-  if (tape.delay_played == tape.pos[tape.counter].delay)
-  {
-    tape.delay_played = 0;
-    tape.counter++;
-
-    for(i=0; i<MAX_PLAYERS; i++)
-      joy[i] = tape.pos[tape.counter-1].action[i];
-  }
-  else
-  {
-    for(i=0; i<MAX_PLAYERS; i++)
-      joy[i] = 0;
-  }
-
-  return(joy);
-}
-
-boolean TapePlayDelay()
-{
-  if (!tape.playing || tape.pausing)
-    return(FALSE);
+    return NULL;
 
   if (tape.pause_before_death) /* STOP 10s BEFORE PLAYER GETS KILLED... */
   {
@@ -474,24 +544,32 @@ boolean TapePlayDelay()
 
     if (TimePlayed > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
     {
-      TapeTogglePause();
-      return(FALSE);
+      TapeTogglePause(TAPE_TOGGLE_MANUAL);
+      return NULL;
     }
   }
 
-  if (tape.counter >= tape.length)
+  if (tape.counter >= tape.length)     /* end of tape reached */
   {
-    TapeStop();
-    return(TRUE);
+    if (tape.index_search)
+      TapeTogglePause(TAPE_TOGGLE_MANUAL);
+    else
+      TapeStop();
+
+    return NULL;
   }
 
-  if (tape.delay_played < tape.pos[tape.counter].delay)
+  for(i=0; i<MAX_PLAYERS; i++)
+    action[i] = tape.pos[tape.counter].action[i];
+
+  tape.delay_played++;
+  if (tape.delay_played >= tape.pos[tape.counter].delay)
   {
-    tape.delay_played++;
-    return(TRUE);
+    tape.counter++;
+    tape.delay_played = 0;
   }
-  else
-    return(FALSE);
+
+  return action;
 }
 
 void TapeStop()
@@ -507,11 +585,6 @@ void TapeStop()
   }
 }
 
-void TapeErase()
-{
-  tape.length = 0;
-}
-
 unsigned int GetTapeLength()
 {
   unsigned int tape_length = 0;
@@ -526,6 +599,78 @@ unsigned int GetTapeLength()
   return(tape_length * GAME_FRAME_DELAY / 1000);
 }
 
+static void TapeStartIndexSearch()
+{
+  tape.index_search = TRUE;
+
+  if (!tape.fast_forward || tape.pause_before_death)
+  {
+    tape.pausing = FALSE;
+
+    SetDrawDeactivationMask(REDRAW_FIELD | REDRAW_DOOR_1);
+    audio.sound_deactivated = TRUE;
+  }
+}
+
+static void TapeStopIndexSearch()
+{
+  tape.index_search = FALSE;
+
+  SetDrawDeactivationMask(REDRAW_NONE);
+  audio.sound_deactivated = FALSE;
+
+  RedrawPlayfield(TRUE, 0,0,0,0);
+  DrawGameDoorValues();
+}
+
+static void TapeSingleStep()
+{
+  if (options.network)
+    return;
+
+  if (!tape.pausing)
+    TapeTogglePause(TAPE_TOGGLE_MANUAL);
+
+  tape.single_step = !tape.single_step;
+}
+
+void TapeQuickSave()
+{
+  if (game_status == PLAYING)
+  {
+    if (tape.recording)
+      TapeHaltRecording();     /* prepare tape for saving on-the-fly */
+
+    if (TAPE_IS_EMPTY(tape))
+      Request("No tape that can be saved !", REQ_CONFIRM);
+    else
+      SaveTape(tape.level_nr);
+  }
+  else if (game_status == MAINMENU)
+    Request("No game that can be saved !", REQ_CONFIRM);
+}
+
+void TapeQuickLoad()
+{
+  if (game_status == PLAYING || game_status == MAINMENU)
+  {
+    TapeStop();
+    TapeErase();
+
+    LoadTape(level_nr);
+    if (!TAPE_IS_EMPTY(tape))
+    {
+      TapeStartGamePlaying();
+      TapeStartIndexSearch();
+
+      tape.quick_resume = TRUE;
+    }
+    else
+      Request("No tape for this level !", REQ_CONFIRM);
+  }
+}
+
+
 /* ---------- new tape button stuff ---------------------------------------- */
 
 /* graphic position values for tape buttons */
@@ -535,6 +680,7 @@ unsigned int GetTapeLength()
 #define TAPE_BUTTON_YPOS       77
 
 #define TAPE_BUTTON_EJECT_XPOS (TAPE_BUTTON_XPOS + 0 * TAPE_BUTTON_XSIZE)
+#define TAPE_BUTTON_INDEX_XPOS (TAPE_BUTTON_XPOS + 0 * TAPE_BUTTON_XSIZE)
 #define TAPE_BUTTON_STOP_XPOS  (TAPE_BUTTON_XPOS + 1 * TAPE_BUTTON_XSIZE)
 #define TAPE_BUTTON_PAUSE_XPOS (TAPE_BUTTON_XPOS + 2 * TAPE_BUTTON_XSIZE)
 #define TAPE_BUTTON_RECORD_XPOS        (TAPE_BUTTON_XPOS + 3 * TAPE_BUTTON_XSIZE)
@@ -552,6 +698,11 @@ static struct
     TAPE_CTRL_ID_EJECT,
     "eject tape"
   },
+  {
+    TAPE_BUTTON_INDEX_XPOS,    TAPE_BUTTON_YPOS,
+    TAPE_CTRL_ID_INDEX,
+    "index mark"
+  },
   {
     TAPE_BUTTON_STOP_XPOS,     TAPE_BUTTON_YPOS,
     TAPE_CTRL_ID_STOP,
@@ -592,6 +743,12 @@ void CreateTapeButtons()
     gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
     gd_y  = DOOR_GFX_PAGEY2 + gd_yoffset;
 
+    if (i == TAPE_CTRL_ID_INDEX)
+    {
+      gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
+      gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
+    }
+
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_INFO_TEXT, tapebutton_info[i].infotext,
                      GDI_X, VX + gd_xoffset,
@@ -613,12 +770,28 @@ void CreateTapeButtons()
   }
 }
 
+void MapTapeEjectButton()
+{
+  UnmapGadget(tape_gadget[TAPE_CTRL_ID_INDEX]);
+  MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
+}
+
+void MapTapeIndexButton()
+{
+  UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
+  MapGadget(tape_gadget[TAPE_CTRL_ID_INDEX]);
+}
+
 void MapTapeButtons()
 {
   int i;
 
   for (i=0; i<NUM_TAPE_BUTTONS; i++)
-    MapGadget(tape_gadget[i]);
+    if (i != TAPE_CTRL_ID_INDEX)
+      MapGadget(tape_gadget[i]);
+
+  if (tape.recording || tape.playing)
+    MapTapeIndexButton();
 }
 
 void UnmapTapeButtons()
@@ -655,42 +828,30 @@ static void HandleTapeButtons(struct GadgetInfo *gi)
       DrawCompleteVideoDisplay();
       break;
 
+    case TAPE_CTRL_ID_INDEX:
+      if (tape.playing)
+       TapeStartIndexSearch();
+      else if (tape.recording)
+       TapeSingleStep();
+      break;
+
     case TAPE_CTRL_ID_STOP:
       TapeStop();
       break;
 
     case TAPE_CTRL_ID_PAUSE:
-      TapeTogglePause();
+      TapeTogglePause(TAPE_TOGGLE_MANUAL);
       break;
 
     case TAPE_CTRL_ID_RECORD:
       if (TAPE_IS_STOPPED(tape))
-      {
-       TapeStartRecording();
-
-#if defined(PLATFORM_UNIX)
-       if (options.network)
-         SendToServer_StartPlaying();
-       else
-#endif
-       {
-         game_status = PLAYING;
-         InitGame();
-       }
-      }
+       TapeStartGameRecording();
       else if (tape.pausing)
       {
        if (tape.playing)       /* PLAYING -> PAUSING -> RECORDING */
-       {
-         tape.pos[tape.counter].delay = tape.delay_played;
-         tape.playing = FALSE;
-         tape.recording = TRUE;
-         tape.changed = TRUE;
-
-         DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON,0);
-       }
+         TapeAppendRecording();
        else
-         TapeTogglePause();
+         TapeTogglePause(TAPE_TOGGLE_MANUAL);
       }
       break;
 
@@ -700,26 +861,25 @@ static void HandleTapeButtons(struct GadgetInfo *gi)
 
       if (TAPE_IS_STOPPED(tape))
       {
-       TapeStartPlaying();
-
-       game_status = PLAYING;
-       InitGame();
+       TapeStartGamePlaying();
       }
       else if (tape.playing)
       {
        if (tape.pausing)                       /* PAUSE -> PLAY */
-         TapeTogglePause();
+       {
+         TapeTogglePause(TAPE_TOGGLE_MANUAL);
+       }
        else if (!tape.fast_forward)            /* PLAY -> FAST FORWARD PLAY */
        {
          tape.fast_forward = TRUE;
          DrawVideoDisplay(VIDEO_STATE_FFWD_ON, 0);
        }
-       else if (!tape.pause_before_death)      /* FFWD PLAY -> AUTO PAUSE */
+       else if (!tape.pause_before_death)      /* FFWD PLAY -> AUTO PAUSE */
        {
          tape.pause_before_death = TRUE;
          DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
        }
-       else                                    /* -> NORMAL PLAY */
+       else                                    /* AUTO PAUSE -> NORMAL PLAY */
        {
          tape.fast_forward = FALSE;
          tape.pause_before_death = FALSE;