rnd-20100615-1-src
[rocksndiamonds.git] / src / tape.c
index 4406288567f7453dd81a7da6b3fb7b253e922b9c..1b9d64ae0c2a36097cf6b107067fd05da29b756b 100644 (file)
@@ -1,7 +1,7 @@
 /***********************************************************
 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-* (c) 1995-2002 Artsoft Entertainment                      *
+* (c) 1995-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -345,102 +345,6 @@ void DrawVideoDisplay(unsigned long state, unsigned long value)
     },
   };
 
-#if 0
-  if (state & VIDEO_STATE_FFWD_OFF)
-  {
-#if 1
-    int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
-
-    if (value != VIDEO_DISPLAY_SYMBOL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_LABEL_XPOS,
-                cy + VIDEO_LABEL_YPOS,
-                VIDEO_LABEL_XSIZE,
-                VIDEO_LABEL_YSIZE,
-                VX + VIDEO_LABEL_XPOS,
-                VY + VIDEO_LABEL_YPOS);
-
-    cx = DOOR_GFX_PAGEX3;
-    cy = DOOR_GFX_PAGEY2;
-
-    if (value != VIDEO_DISPLAY_LABEL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_FFWD_SYMBOL_XPOS,
-                cy + VIDEO_SYMBOL_YPOS,
-                VIDEO_FFWD_SYMBOL_XSIZE,
-                VIDEO_FFWD_SYMBOL_YSIZE,
-                VX + VIDEO_SYMBOL_XPOS,
-                VY + VIDEO_SYMBOL_YPOS);
-#else
-    int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
-
-    BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-              cx + VIDEO_PLAY_SYMBOL_XPOS - 9,
-              cy + VIDEO_PLAY_SYMBOL_YPOS,
-              VIDEO_PLAY_SYMBOL_XSIZE - 2,
-              VIDEO_PLAY_SYMBOL_YSIZE,
-              VX + VIDEO_PLAY_SYMBOL_XPOS - 9,
-              VY + VIDEO_PLAY_SYMBOL_YPOS);
-#endif
-  }
-#endif
-
-#if 0
-  if (state & VIDEO_STATE_PBEND_OFF)
-  {
-#if 1
-    int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
-
-    if (value != VIDEO_DISPLAY_SYMBOL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_LABEL_XPOS,
-                cy + VIDEO_LABEL_YPOS,
-                VIDEO_LABEL_XSIZE,
-                VIDEO_LABEL_YSIZE,
-                VX + VIDEO_LABEL_XPOS,
-                VY + VIDEO_LABEL_YPOS);
-
-    cx = DOOR_GFX_PAGEX3;
-    cy = DOOR_GFX_PAGEY2;
-
-    if (value != VIDEO_DISPLAY_LABEL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_PBEND_SYMBOL_XPOS,
-                cy + VIDEO_SYMBOL_YPOS,
-                VIDEO_PBEND_SYMBOL_XSIZE,
-                VIDEO_PBEND_SYMBOL_YSIZE,
-                VX + VIDEO_PBEND_SYMBOL_XPOS,
-                VY + VIDEO_SYMBOL_YPOS);
-#else
-    int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
-
-    BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-              cx + VIDEO_REC_LABEL_XPOS,
-              cy + VIDEO_REC_LABEL_YPOS,
-              VIDEO_PBEND_LABEL_XSIZE,
-              VIDEO_PBEND_LABEL_YSIZE,
-              VX + VIDEO_REC_LABEL_XPOS,
-              VY + VIDEO_REC_LABEL_YPOS);
-#endif
-  }
-#endif
-
-#if 0
-  if (state & VIDEO_STATE_1STEP_OFF)
-  {
-    int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
-
-    if (value != VIDEO_DISPLAY_LABEL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_1STEP_SYMBOL_XPOS,
-                cy + VIDEO_SYMBOL_YPOS,
-                VIDEO_1STEP_SYMBOL_XSIZE,
-                VIDEO_1STEP_SYMBOL_YSIZE,
-                VX + VIDEO_1STEP_SYMBOL_XPOS,
-                VY + VIDEO_SYMBOL_YPOS);
-  }
-#endif
-
   for (k = 0; k < NUM_TAPE_FUNCTION_STATES; k++)       /* on or off states */
   {
     for (i = 0; i < NUM_TAPE_FUNCTIONS; i++)           /* record, play, ... */
@@ -476,102 +380,6 @@ void DrawVideoDisplay(unsigned long state, unsigned long value)
     }
   }
 
-#if 0
-  if (state & VIDEO_STATE_FFWD_ON)
-  {
-#if 1
-    int cx = DOOR_GFX_PAGEX6, cy = DOOR_GFX_PAGEY1;
-
-    if (value != VIDEO_DISPLAY_SYMBOL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_FFWD_LABEL_XPOS,
-                cy + VIDEO_FFWD_LABEL_YPOS,
-                VIDEO_LABEL_XSIZE,
-                VIDEO_LABEL_YSIZE,
-                VX + VIDEO_LABEL_XPOS,
-                VY + VIDEO_LABEL_YPOS);
-
-    cx = DOOR_GFX_PAGEX6;
-    cy = DOOR_GFX_PAGEY1;
-
-    if (value != VIDEO_DISPLAY_LABEL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_FFWD_SYMBOL_XPOS,
-                cy + VIDEO_FFWD_SYMBOL_YPOS,
-                VIDEO_FFWD_SYMBOL_XSIZE,
-                VIDEO_FFWD_SYMBOL_YSIZE,
-                VX + VIDEO_SYMBOL_XPOS,
-                VY + VIDEO_SYMBOL_YPOS);
-#else
-    int cx = DOOR_GFX_PAGEX4, cy = DOOR_GFX_PAGEY2;
-
-    BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-              cx + VIDEO_PLAY_SYMBOL_XPOS,
-              cy + VIDEO_PLAY_SYMBOL_YPOS,
-              VIDEO_PLAY_SYMBOL_XSIZE - 2,
-              VIDEO_PLAY_SYMBOL_YSIZE,
-              VX + VIDEO_PLAY_SYMBOL_XPOS - 9,
-              VY + VIDEO_PLAY_SYMBOL_YPOS);
-#endif
-  }
-#endif
-
-#if 0
-  if (state & VIDEO_STATE_PBEND_ON)
-  {
-#if 1
-    int cx = DOOR_GFX_PAGEX6, cy = DOOR_GFX_PAGEY1;
-
-    if (value != VIDEO_DISPLAY_SYMBOL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_PBEND_LABEL_XPOS,
-                cy + VIDEO_PBEND_LABEL_YPOS,
-                VIDEO_LABEL_XSIZE,
-                VIDEO_LABEL_YSIZE,
-                VX + VIDEO_LABEL_XPOS,
-                VY + VIDEO_LABEL_YPOS);
-
-    cx = DOOR_GFX_PAGEX6;
-    cy = DOOR_GFX_PAGEY1;
-
-    if (value != VIDEO_DISPLAY_LABEL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_PBEND_SYMBOL_XPOS,
-                cy + VIDEO_PBEND_SYMBOL_YPOS,
-                VIDEO_PBEND_SYMBOL_XSIZE,
-                VIDEO_PBEND_SYMBOL_YSIZE,
-                VX + VIDEO_SYMBOL_XPOS,
-                VY + VIDEO_SYMBOL_YPOS);
-#else
-    int cx = DOOR_GFX_PAGEX6, cy = DOOR_GFX_PAGEY1;
-
-    BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-              cx + VIDEO_PBEND_LABEL_XPOS,
-              cy + VIDEO_PBEND_LABEL_YPOS,
-              VIDEO_PBEND_LABEL_XSIZE,
-              VIDEO_PBEND_LABEL_YSIZE,
-              VX + VIDEO_REC_LABEL_XPOS,
-              VY + VIDEO_REC_LABEL_YPOS);
-#endif
-  }
-#endif
-
-#if 0
-  if (state & VIDEO_STATE_1STEP_ON)
-  {
-    int cx = DOOR_GFX_PAGEX6, cy = DOOR_GFX_PAGEY1;
-
-    if (value != VIDEO_DISPLAY_LABEL_ONLY)
-      BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-                cx + VIDEO_1STEP_SYMBOL_XPOS,
-                cy + VIDEO_1STEP_SYMBOL_YPOS,
-                VIDEO_1STEP_SYMBOL_XSIZE,
-                VIDEO_1STEP_SYMBOL_YSIZE,
-                VX + VIDEO_1STEP_SYMBOL_XPOS,
-                VY + VIDEO_SYMBOL_YPOS);
-  }
-#endif
-
   if (state & VIDEO_STATE_DATE_ON)
   {
     int tag = value % 100;
@@ -597,20 +405,17 @@ void DrawVideoDisplay(unsigned long state, unsigned long value)
             int2str(sec, 2), FONT_TAPE_RECORDER);
   }
 
-#if 1
   redraw_mask |= REDRAW_DOOR_2;
-#else
-  if (state & VIDEO_STATE_DATE)
-    redraw_mask |= REDRAW_VIDEO_1;
-  if ((state & ~VIDEO_STATE_DATE) & VIDEO_STATE)
-    redraw_mask |= REDRAW_VIDEO_2;
-  if (state & VIDEO_PRESS)
-    redraw_mask |= REDRAW_VIDEO_3;
-#endif
 }
 
 void DrawCompleteVideoDisplay()
 {
+#if 0
+  printf("::: %d, %d  /  %d, %d [%d] [%d, %d] [%d/%d]\n",
+        VX, VY, EX, EY, game_status, gfx.vx, gfx.vy,
+        tape.date, tape.length);
+#endif
+
   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
             DOOR_GFX_PAGEX3, DOOR_GFX_PAGEY2,
             gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
@@ -621,11 +426,38 @@ void DrawCompleteVideoDisplay()
             gfx.vx + VIDEO_CONTROL_XPOS, gfx.vy + VIDEO_CONTROL_YPOS);
 
   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
+
+#if 1
+  if (tape.recording)
+  {
+    DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
+    DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
+    DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
+
+    if (tape.pausing)
+      DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
+  }
+  else if (tape.playing)
+  {
+    DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
+    DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
+    DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
+
+    if (tape.pausing)
+      DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
+  }
+  else if (tape.date && tape.length)
+  {
+    DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
+    DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
+  }
+#else
   if (tape.date && tape.length)
   {
     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
   }
+#endif
 
   BlitBitmap(drawto, bitmap_db_door, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
             DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
@@ -654,20 +486,25 @@ void TapeDeactivateDisplayOff(boolean redraw_display)
 /* tape control functions                                                    */
 /* ========================================================================= */
 
-static void TapeSetDate()
+void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 {
-  time_t epoch_seconds = time(NULL);
-  struct tm *now = localtime(&epoch_seconds);
+  struct tm *lt = localtime(&epoch_seconds);
 
-  tape.date = 10000 * (now->tm_year % 100) + 100 * now->tm_mon + now->tm_mday;
+  tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
+}
+
+void TapeSetDateFromNow()
+{
+  TapeSetDateFromEpochSeconds(time(NULL));
 }
 
 void TapeErase()
 {
   int i;
 
-  tape.length = 0;
   tape.counter = 0;
+  tape.length = 0;
+  tape.length_seconds = 0;
 
   if (leveldir_current)
     setString(&tape.level_identifier, leveldir_current->identifier);
@@ -676,21 +513,19 @@ void TapeErase()
   tape.pos[tape.counter].delay = 0;
   tape.changed = TRUE;
 
-  tape.random_seed = InitRND(NEW_RANDOMIZE);
+  tape.random_seed = InitRND(level.random_seed);
 
   tape.file_version = FILE_VERSION_ACTUAL;
   tape.game_version = GAME_VERSION_ACTUAL;
   tape.engine_version = level.game_version;
 
-  TapeSetDate();
-
-#if 0
-  printf("::: tape.engine_version = level.game_version = %d \n",
-        level.game_version);
-#endif
+  TapeSetDateFromNow();
 
   for (i = 0; i < MAX_PLAYERS; i++)
     tape.player_participates[i] = FALSE;
+
+  tape.centered_player_nr_next = -1;
+  tape.set_centered_player = FALSE;
 }
 
 static void TapeRewind()
@@ -708,6 +543,9 @@ static void TapeRewind()
   tape.quick_resume = FALSE;
   tape.single_step = FALSE;
 
+  tape.centered_player_nr_next = -1;
+  tape.set_centered_player = FALSE;
+
   InitRND(tape.random_seed);
 }
 
@@ -730,6 +568,7 @@ void TapeStartRecording(long random_seed)
   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
+
   MapTapeWarpButton();
 
   SetDrawDeactivationMask(REDRAW_NONE);
@@ -738,18 +577,18 @@ void TapeStartRecording(long random_seed)
 
 static void TapeStartGameRecording()
 {
-  TapeStartRecording(NEW_RANDOMIZE);
+  TapeStartRecording(level.random_seed);
 
 #if defined(NETWORK_AVALIABLE)
   if (options.network)
-    SendToServer_StartPlaying();
-  else
-#endif
   {
-    game_status = GAME_MODE_PLAYING;
-    StopAnimation();
-    InitGame();
+    SendToServer_StartPlaying();
+
+    return;
   }
+#endif
+
+  InitGame();
 }
 
 static void TapeAppendRecording()
@@ -762,10 +601,14 @@ static void TapeAppendRecording()
   tape.recording = TRUE;
   tape.changed = TRUE;
 
-  TapeSetDate();
+  TapeSetDateFromNow();
 
   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
+
+#if 1
+  UpdateAndDisplayGameControlValues();
+#endif
 }
 
 void TapeHaltRecording()
@@ -782,11 +625,6 @@ void TapeHaltRecording()
 
 void TapeStopRecording()
 {
-#if 0
-  if (!tape.recording)
-    return;
-#endif
-
   TapeHaltRecording();
 
   tape.recording = FALSE;
@@ -796,17 +634,13 @@ void TapeStopRecording()
   MapTapeEjectButton();
 }
 
-void TapeRecordAction(byte action[MAX_PLAYERS])
+void TapeRecordAction(byte action_raw[MAX_PLAYERS])
 {
+  byte action[MAX_PLAYERS];
   int i;
 
-#if 1
-  if (!tape.recording)         /* record action even when tape is paused! */
-    return;
-#else
-  if (!tape.recording || tape.pausing)
+  if (!tape.recording)         /* (record action even when tape is paused) */
     return;
-#endif
 
   if (tape.counter >= MAX_TAPE_LEN - 1)
   {
@@ -814,9 +648,18 @@ void TapeRecordAction(byte action[MAX_PLAYERS])
     return;
   }
 
-#if 0
-  printf("::: %05d: recording action: %d\n", FrameCounter, action[0]);
-#endif
+  for (i = 0; i < MAX_PLAYERS; i++)
+    action[i] = action_raw[i];
+
+  if (tape.set_centered_player)
+  {
+    for (i = 0; i < MAX_PLAYERS; i++)
+      if (tape.centered_player_nr_next == i ||
+         tape.centered_player_nr_next == -1)
+       action[i] |= KEY_SET_FOCUS;
+
+    tape.set_centered_player = FALSE;
+  }
 
   if (tape.pos[tape.counter].delay > 0)                /* already stored action */
   {
@@ -837,11 +680,6 @@ void TapeRecordAction(byte action[MAX_PLAYERS])
 
   if (tape.pos[tape.counter].delay == 0)       /* store new action */
   {
-
-#if 0
-    printf("::: %05d: new sequence\n", FrameCounter);
-#endif
-
     for (i = 0; i < MAX_PLAYERS; i++)
       tape.pos[tape.counter].action[i] = action[i];
 
@@ -853,11 +691,6 @@ void TapeTogglePause(boolean toggle_manual)
 {
   int state = 0;
 
-#if 0
-  if (!tape.recording && !tape.playing)
-    return;
-#endif
-
   if (tape.pause_before_death)
     state |= VIDEO_STATE_PBEND_OFF;
   else if (tape.fast_forward)
@@ -878,11 +711,6 @@ void TapeTogglePause(boolean toggle_manual)
 
   DrawVideoDisplay(state, 0);
 
-#if 0
-  if (tape.pausing)
-    DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
-#endif
-
   if (tape.warp_forward)
   {
     TapeStopWarpForward();
@@ -892,9 +720,9 @@ void TapeTogglePause(boolean toggle_manual)
       tape.quick_resume = FALSE;
 
       TapeAppendRecording();
-#if 0
-      TapeTogglePause(toggle_manual);
-#endif
+
+      if (!CheckEngineSnapshot())
+       SaveEngineSnapshot();
     }
   }
 }
@@ -914,6 +742,7 @@ void TapeStartPlaying()
   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
+
   MapTapeWarpButton();
 
   SetDrawDeactivationMask(REDRAW_NONE);
@@ -924,18 +753,11 @@ static void TapeStartGamePlaying()
 {
   TapeStartPlaying();
 
-  game_status = GAME_MODE_PLAYING;
-  StopAnimation();
   InitGame();
 }
 
 void TapeStopPlaying()
 {
-#if 0
-  if (!tape.playing)
-    return;
-#endif
-
   tape.playing = FALSE;
   tape.pausing = FALSE;
 
@@ -1021,6 +843,21 @@ byte *TapePlayAction()
   for (i = 0; i < MAX_PLAYERS; i++)
     action[i] = tape.pos[tape.counter].action[i];
 
+  tape.set_centered_player = FALSE;
+  tape.centered_player_nr_next = -999;
+
+  for (i = 0; i < MAX_PLAYERS; i++)
+  {
+    if (action[i] & KEY_SET_FOCUS)
+    {
+      tape.set_centered_player = TRUE;
+      tape.centered_player_nr_next =
+       (tape.centered_player_nr_next == -999 ? i : -1);
+    }
+
+    action[i] &= ~KEY_SET_FOCUS;
+  }
+
   tape.delay_played++;
   if (tape.delay_played >= tape.pos[tape.counter].delay)
   {
@@ -1028,22 +865,11 @@ byte *TapePlayAction()
     tape.delay_played = 0;
   }
 
-#if 0
-  printf("::: %05d: replaying action: %d\n", FrameCounter, action[0]);
-#endif
-
   return action;
 }
 
 void TapeStop()
 {
-#if 0
-  if (tape.recording)
-    printf("::: stopped recording: %d\n", FrameCounter);
-  else if (tape.playing)
-    printf("::: stopped playing:   %d\n\n", FrameCounter);
-#endif
-
   TapeStopRecording();
   TapeStopPlaying();
 
@@ -1054,11 +880,6 @@ void TapeStop()
     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
   }
-
-#if 0
-  if (tape.auto_play)
-    AutoPlayTape();    /* continue automatically playing next tape */
-#endif
 }
 
 unsigned int GetTapeLength()
@@ -1079,7 +900,6 @@ static void TapeStartWarpForward()
 {
   tape.warp_forward = TRUE;
 
-#if 1
   if (!tape.fast_forward && !tape.pause_before_death)
   {
     tape.pausing = FALSE;
@@ -1087,15 +907,6 @@ static void TapeStartWarpForward()
 
     TapeDeactivateDisplayOn();
   }
-#else
-  if (!tape.fast_forward || tape.pause_before_death)
-  {
-    tape.pausing = FALSE;
-    tape.deactivate_display = TRUE;
-
-    TapeDeactivateDisplayOn();
-  }
-#endif
 
   if (tape.fast_forward || tape.pause_before_death)
     DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
@@ -1112,16 +923,6 @@ static void TapeStopWarpForward()
 
   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 
-#if 0
-#if 1
-  if (game_status == GAME_MODE_PLAYING)
-#endif
-  {
-    RedrawPlayfield(TRUE, 0,0,0,0);
-    DrawGameDoorValues();
-  }
-#endif
-
   if (tape.pause_before_death)
     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_PBEND_ON;
   else if (tape.fast_forward)
@@ -1148,18 +949,28 @@ static void TapeSingleStep()
 
 void TapeQuickSave()
 {
-  if (game_status == GAME_MODE_PLAYING)
+  if (game_status == GAME_MODE_MAIN)
   {
-    if (tape.recording)
-      TapeHaltRecording();     /* prepare tape for saving on-the-fly */
+    Request("No game that can be saved !", REQ_CONFIRM);
 
-    if (TAPE_IS_EMPTY(tape))
-      Request("No tape that can be saved !", REQ_CONFIRM);
-    else
-      SaveTape(tape.level_nr);
+    return;
   }
-  else if (game_status == GAME_MODE_MAIN)
-    Request("No game that can be saved !", REQ_CONFIRM);
+
+  if (game_status != GAME_MODE_PLAYING)
+    return;
+
+  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);
+
+    return;
+  }
+
+  if (SaveTapeChecked(tape.level_nr))
+    SaveEngineSnapshot();
 }
 
 void TapeQuickLoad()
@@ -1181,25 +992,44 @@ void TapeQuickLoad()
     return;
   }
 
-  if (game_status == GAME_MODE_PLAYING || game_status == GAME_MODE_MAIN)
+  if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
+    return;
+
+  if (CheckEngineSnapshot())
   {
-    TapeStop();
-    TapeErase();
+    TapeStartGamePlaying();
 
-    LoadTape(level_nr);
-    if (!TAPE_IS_EMPTY(tape))
-    {
-      TapeStartGamePlaying();
-      TapeStartWarpForward();
+    LoadEngineSnapshot();
 
-      tape.quick_resume = TRUE;
-    }
-    else       /* this should not happen (basically checked above) */
-    {
-      int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
+    DrawCompleteVideoDisplay();
 
-      Request("No tape for this level !", REQ_CONFIRM | reopen_door);
-    }
+    tape.playing = TRUE;
+    tape.pausing = TRUE;
+
+    TapeStopWarpForward();
+    TapeAppendRecording();
+
+    if (FrameCounter > 0)
+      return;
+  }
+
+  TapeStop();
+  TapeErase();
+
+  LoadTape(level_nr);
+
+  if (!TAPE_IS_EMPTY(tape))
+  {
+    TapeStartGamePlaying();
+    TapeStartWarpForward();
+
+    tape.quick_resume = TRUE;
+  }
+  else /* this should not happen (basically checked above) */
+  {
+    int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
+
+    Request("No tape for this level !", REQ_CONFIRM | reopen_door);
   }
 }
 
@@ -1310,11 +1140,8 @@ void AutoPlayTape()
 #endif
 
     LoadSolutionTape(level_nr);
-#if 1
+
     if (tape.no_valid_file)
-#else
-    if (TAPE_IS_EMPTY(tape))
-#endif
     {
       num_tape_missing++;
       if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
@@ -1370,55 +1197,38 @@ void AutoPlayTape()
 
 /* ---------- new tape button stuff ---------------------------------------- */
 
-/* graphic position values for tape buttons */
-#define TAPE_BUTTON_XSIZE      18
-#define TAPE_BUTTON_YSIZE      18
-#define TAPE_BUTTON_XPOS       5
-#define TAPE_BUTTON_YPOS       77
-
-#define TAPE_BUTTON_EJECT_XPOS (TAPE_BUTTON_XPOS + 0 * TAPE_BUTTON_XSIZE)
-#define TAPE_BUTTON_EXTRA_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)
-#define TAPE_BUTTON_PLAY_XPOS  (TAPE_BUTTON_XPOS + 4 * TAPE_BUTTON_XSIZE)
-
 static struct
 {
-  int x, y;
+  int graphic;
+  struct Rect *pos;
   int gadget_id;
   char *infotext;
 } tapebutton_info[NUM_TAPE_BUTTONS] =
 {
   {
-    TAPE_BUTTON_EJECT_XPOS,    TAPE_BUTTON_YPOS,
-    TAPE_CTRL_ID_EJECT,
-    "eject tape"
+    IMG_TAPE_BUTTON_GFX_EJECT,         &tape.button.eject,
+    TAPE_CTRL_ID_EJECT,                        "eject tape"
   },
   {
-    TAPE_BUTTON_EXTRA_XPOS,    TAPE_BUTTON_YPOS,
-    TAPE_CTRL_ID_EXTRA,
-    "extra functions"
+    /* (same position as "eject" button) */
+    IMG_TAPE_BUTTON_GFX_EXTRA,         &tape.button.eject,
+    TAPE_CTRL_ID_EXTRA,                        "extra functions"
   },
   {
-    TAPE_BUTTON_STOP_XPOS,     TAPE_BUTTON_YPOS,
-    TAPE_CTRL_ID_STOP,
-    "stop tape"
+    IMG_TAPE_BUTTON_GFX_STOP,          &tape.button.stop,
+    TAPE_CTRL_ID_STOP,                 "stop tape"
   },
   {
-    TAPE_BUTTON_PAUSE_XPOS,    TAPE_BUTTON_YPOS,
-    TAPE_CTRL_ID_PAUSE,
-    "pause tape"
+    IMG_TAPE_BUTTON_GFX_PAUSE,         &tape.button.pause,
+    TAPE_CTRL_ID_PAUSE,                        "pause tape"
   },
   {
-    TAPE_BUTTON_RECORD_XPOS,   TAPE_BUTTON_YPOS,
-    TAPE_CTRL_ID_RECORD,
-    "record tape"
+    IMG_TAPE_BUTTON_GFX_RECORD,                &tape.button.record,
+    TAPE_CTRL_ID_RECORD,               "record tape"
   },
   {
-    TAPE_BUTTON_PLAY_XPOS,     TAPE_BUTTON_YPOS,
-    TAPE_CTRL_ID_PLAY,
-    "play tape"
+    IMG_TAPE_BUTTON_GFX_PLAY,          &tape.button.play,
+    TAPE_CTRL_ID_PLAY,                 "play tape"
   }
 };
 
@@ -1428,34 +1238,26 @@ void CreateTapeButtons()
 
   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
   {
-    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+    struct GraphicInfo *gfx = &graphic_info[tapebutton_info[i].graphic];
+    struct Rect *pos = tapebutton_info[i].pos;
     struct GadgetInfo *gi;
-    int gd_xoffset, gd_yoffset;
-    int gd_x1, gd_x2, gd_y;
+    int gd_x = gfx->src_x;
+    int gd_y = gfx->src_y;
+    int gd_xp = gfx->src_x + gfx->pressed_xoffset;
+    int gd_yp = gfx->src_y + gfx->pressed_yoffset;
     int id = i;
 
-    gd_xoffset = tapebutton_info[i].x;
-    gd_yoffset = tapebutton_info[i].y;
-    gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
-    gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
-    gd_y  = DOOR_GFX_PAGEY2 + gd_yoffset;
-
-    if (i == TAPE_CTRL_ID_EXTRA)
-    {
-      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,
-                     GDI_Y, VY + gd_yoffset,
-                     GDI_WIDTH, TAPE_BUTTON_XSIZE,
-                     GDI_HEIGHT, TAPE_BUTTON_YSIZE,
+                     GDI_X, VX + pos->x,
+                     GDI_Y, VY + pos->y,
+                     GDI_WIDTH, gfx->width,
+                     GDI_HEIGHT, gfx->height,
                      GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
                      GDI_STATE, GD_BUTTON_UNPRESSED,
-                     GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
-                     GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
+                     GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
+                     GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
+                     GDI_DIRECT_DRAW, FALSE,
                      GDI_EVENT_MASK, GD_EVENT_RELEASED,
                      GDI_CALLBACK_ACTION, HandleTapeButtons,
                      GDI_END);
@@ -1507,10 +1309,8 @@ void UnmapTapeButtons()
     UnmapGadget(tape_gadget[i]);
 }
 
-static void HandleTapeButtons(struct GadgetInfo *gi)
+static void HandleTapeButtonsExt(int id)
 {
-  int id = gi->custom_id;
-
   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
     return;
 
@@ -1518,18 +1318,22 @@ static void HandleTapeButtons(struct GadgetInfo *gi)
   {
     case TAPE_CTRL_ID_EJECT:
       TapeStop();
+
       if (TAPE_IS_EMPTY(tape))
       {
        LoadTape(level_nr);
+
        if (TAPE_IS_EMPTY(tape))
          Request("No tape for this level !", REQ_CONFIRM);
       }
       else
       {
        if (tape.changed)
-         SaveTape(tape.level_nr);
+         SaveTapeChecked(tape.level_nr);
+
        TapeErase();
       }
+
       DrawCompleteVideoDisplay();
       break;
 
@@ -1543,19 +1347,11 @@ static void HandleTapeButtons(struct GadgetInfo *gi)
        else                                    /* WARP FORWARD PLAY -> PLAY */
        {
          TapeStopWarpForward();
-
-#if 0
-         if (tape.pause_before_death)
-           DrawVideoDisplay(VIDEO_STATE_WARP_OFF | VIDEO_STATE_PLAY_ON, 0);
-         else if (tape.fast_forward)
-           DrawVideoDisplay(VIDEO_STATE_WARP_OFF | VIDEO_STATE_FFWD_ON, 0);
-         else
-           DrawVideoDisplay(VIDEO_STATE_WARP_OFF | VIDEO_STATE_PBEND_ON, 0);
-#endif
        }
       }
       else if (tape.recording)
        TapeSingleStep();
+
       break;
 
     case TAPE_CTRL_ID_STOP:
@@ -1600,28 +1396,17 @@ static void HandleTapeButtons(struct GadgetInfo *gi)
        else if (!tape.pause_before_death)      /* FFWD PLAY -> AUTO PAUSE */
        {
          tape.pause_before_death = TRUE;
-#if 1
          DrawVideoDisplay(VIDEO_STATE_FFWD_OFF | VIDEO_STATE_PBEND_ON, 0);
-#else
-         DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
-#endif
        }
        else                                    /* AUTO PAUSE -> NORMAL PLAY */
        {
-#if 1
          if (tape.warp_forward)
            TapeStopWarpForward();
-#else
-         tape.warp_forward = FALSE;
-#endif
+
          tape.fast_forward = FALSE;
          tape.pause_before_death = FALSE;
 
-#if 1
          DrawVideoDisplay(VIDEO_STATE_PBEND_OFF | VIDEO_STATE_PLAY_ON, 0);
-#else
-         DrawVideoDisplay(VIDEO_STATE_FFWD_OFF | VIDEO_STATE_PBEND_OFF, 0);
-#endif
        }
       }
       break;
@@ -1630,3 +1415,24 @@ static void HandleTapeButtons(struct GadgetInfo *gi)
       break;
   }
 }
+
+static void HandleTapeButtons(struct GadgetInfo *gi)
+{
+  HandleTapeButtonsExt(gi->custom_id);
+}
+
+void HandleTapeButtonKeys(Key key)
+{
+  boolean use_extra = (tape.recording || tape.playing);
+
+  if (key == setup.shortcut.tape_eject)
+    HandleTapeButtonsExt(use_extra ? TAPE_CTRL_ID_EXTRA : TAPE_CTRL_ID_EJECT);
+  else if (key == setup.shortcut.tape_stop)
+    HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
+  else if (key == setup.shortcut.tape_pause)
+    HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
+  else if (key == setup.shortcut.tape_record)
+    HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
+  else if (key == setup.shortcut.tape_play)
+    HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
+}