+ // set current delay (for last played move)
+ tape.pos[tape.counter].delay = tape.delay_played;
+
+ // set current date
+ TapeSetDateFromNow();
+
+ DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
+ DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
+
+ UpdateAndDisplayGameControlValues();
+}
+
+void TapeHaltRecording(void)
+{
+ tape.counter++;
+
+ // initialize delay for next tape entry (to be able to continue recording)
+ if (tape.counter < MAX_TAPE_LEN)
+ tape.pos[tape.counter].delay = 0;
+
+ tape.length = tape.counter;
+ tape.length_frames = GetTapeLengthFrames();
+ tape.length_seconds = GetTapeLengthSeconds();
+}
+
+void TapeStopRecording(void)
+{
+ if (tape.recording)
+ TapeHaltRecording();
+
+ tape.recording = FALSE;
+ tape.pausing = FALSE;
+
+ DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
+ MapTapeEjectButton();
+}
+
+boolean TapeAddAction(byte action[MAX_TAPE_ACTIONS])
+{
+ int i;
+
+ if (tape.pos[tape.counter].delay > 0) // already stored action
+ {
+ boolean changed_events = FALSE;
+
+ for (i = 0; i < MAX_TAPE_ACTIONS; i++)
+ if (tape.pos[tape.counter].action[i] != action[i])
+ changed_events = TRUE;
+
+ if (changed_events || tape.pos[tape.counter].delay >= 255)
+ {
+ if (tape.counter >= MAX_TAPE_LEN - 1)
+ return FALSE;
+
+ 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_TAPE_ACTIONS; i++)
+ tape.pos[tape.counter].action[i] = action[i];
+
+ tape.pos[tape.counter].delay++;
+ }
+
+ return TRUE;
+}
+
+void TapeRecordAction(byte action_raw[MAX_TAPE_ACTIONS])
+{
+ byte action[MAX_TAPE_ACTIONS];
+ int i;
+
+ if (!tape.recording) // (record action even when tape is paused)
+ return;
+
+ for (i = 0; i < MAX_TAPE_ACTIONS; i++)
+ action[i] = action_raw[i];
+
+ if (tape.use_key_actions && 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 (!TapeAddAction(action))
+ TapeStopRecording();
+}
+
+void TapeTogglePause(boolean toggle_mode)
+{
+ if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
+ {
+ // continue playing in normal mode
+ tape.fast_forward = FALSE;
+ tape.warp_forward = FALSE;
+ tape.deactivate_display = FALSE;
+
+ tape.pause_before_end = FALSE;
+ }
+
+ tape.pausing = !tape.pausing;
+
+ if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
+ tape.single_step = FALSE;
+
+ DrawVideoDisplayCurrentState();
+
+ if (tape.deactivate_display)
+ {
+ if (tape.pausing)
+ TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
+ else
+ TapeDeactivateDisplayOn();
+ }
+
+ if (tape.quick_resume)
+ {
+ tape.quick_resume = FALSE;
+
+ TapeStopWarpForward();
+ TapeAppendRecording();
+
+ if (!CheckEngineSnapshotSingle())
+ SaveEngineSnapshotSingle();
+
+ // restart step/move snapshots after quick loading tape
+ SaveEngineSnapshotToListInitial();
+
+ // do not map undo/redo buttons after quick loading tape
+ return;
+ }
+
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ if (setup.show_snapshot_buttons && CheckEngineSnapshotList())
+ {
+ if (tape.pausing)
+ MapUndoRedoButtons();
+ else if (!tape.single_step)
+ UnmapUndoRedoButtons();
+ }
+
+ ModifyPauseButtons();
+ }
+}
+
+void TapeStartPlaying(void)
+{
+ if (TAPE_IS_EMPTY(tape))
+ return;
+
+ if (!TAPE_IS_STOPPED(tape))
+ TapeStop();
+
+ TapeRewind();
+
+ tape.playing = TRUE;
+
+ DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
+ DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
+ DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
+ DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
+
+ MapTapeWarpButton();
+
+ SetDrawDeactivationMask(REDRAW_NONE);
+ audio.sound_deactivated = FALSE;
+}
+
+static void TapeStartGamePlaying(void)
+{
+ TapeStartPlaying();
+
+ InitGame();
+}
+
+void TapeStopPlaying(void)
+{
+ tape.playing = FALSE;
+ tape.pausing = FALSE;
+
+ if (tape.warp_forward)
+ TapeStopWarpForward();
+
+ DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
+ MapTapeEjectButton();
+}
+
+byte *TapePlayAction(void)
+{
+ int update_delay = FRAMES_PER_SECOND / 2;
+ boolean update_video_display = (FrameCounter % update_delay == 0);
+ boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
+ static byte action[MAX_TAPE_ACTIONS];
+ int i;
+
+ if (!tape.playing || tape.pausing)
+ return NULL;
+
+ if (tape.pause_before_end) // stop some seconds before end of tape
+ {
+ if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
+ {
+ TapeStopWarpForward();
+ TapeTogglePause(TAPE_TOGGLE_MANUAL);
+
+ return NULL;
+ }
+ }
+
+ if (tape.counter >= tape.length) // end of tape reached
+ {
+ if (tape.warp_forward && !tape.auto_play)
+ {
+ TapeStopWarpForward();
+ TapeTogglePause(TAPE_TOGGLE_MANUAL);
+ }
+ else
+ {
+ TapeStop();
+ }
+
+ return NULL;
+ }
+
+ if (update_video_display && !tape.deactivate_display)
+ {
+ int state = 0;
+
+ if (tape.warp_forward)
+ state |= VIDEO_STATE_WARP(update_draw_label_on);
+ else if (tape.fast_forward)
+ state |= VIDEO_STATE_FFWD(update_draw_label_on);
+
+ if (tape.pause_before_end)
+ state |= VIDEO_STATE_PBEND(update_draw_label_on);
+
+ // draw labels and symbols separately to prevent labels overlapping symbols
+ DrawVideoDisplayLabel(state);
+ DrawVideoDisplaySymbol(state);
+ }
+
+ for (i = 0; i < MAX_TAPE_ACTIONS; i++)
+ action[i] = tape.pos[tape.counter].action[i];
+
+#if DEBUG_TAPE_WHEN_PLAYING
+ DebugContinued("", "%05d", FrameCounter);
+ for (i = 0; i < MAX_TAPE_ACTIONS; i++)
+ DebugContinued("", " %08x", action[i]);
+ DebugContinued("tape:play", "\n");
+#endif
+
+ tape.set_centered_player = FALSE;
+ tape.centered_player_nr_next = -999;
+
+ if (tape.use_key_actions)
+ {
+ 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)
+ {
+ tape.counter++;
+ tape.delay_played = 0;
+ }
+
+ if (tape.auto_play)
+ PrintTapeReplayProgress(FALSE);
+
+ return action;
+}
+
+void TapeStop(void)
+{
+ if (tape.pausing)
+ TapeTogglePause(TAPE_TOGGLE_MANUAL);
+
+ TapeStopRecording();
+ TapeStopPlaying();
+
+ DrawVideoDisplay(VIDEO_STATE_OFF, 0);
+
+ if (tape.date && tape.length)
+ {
+ DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
+ DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
+ DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
+ }
+}
+
+unsigned int GetTapeLengthFrames(void)
+{
+ unsigned int tape_length_frames = 0;
+ int i;
+
+ if (TAPE_IS_EMPTY(tape))
+ return 0;
+
+ for (i = 0; i < tape.length; i++)
+ tape_length_frames += tape.pos[i].delay;
+
+ return tape_length_frames;
+}
+
+unsigned int GetTapeLengthSeconds(void)
+{
+ return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
+}
+
+static float GetTapeLengthSecondsFloat(void)
+{
+ return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
+}
+
+static void TapeStartWarpForward(int mode)
+{
+ tape.fast_forward = (mode & AUTOPLAY_FFWD);
+ tape.warp_forward = (mode & AUTOPLAY_WARP);
+ tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
+
+ tape.pausing = FALSE;
+
+ if (tape.deactivate_display)
+ TapeDeactivateDisplayOn();
+
+ DrawVideoDisplayCurrentState();
+}
+
+static void TapeStopWarpForward(void)
+{
+ tape.fast_forward = FALSE;
+ tape.warp_forward = FALSE;
+ tape.deactivate_display = FALSE;
+
+ tape.pause_before_end = FALSE;
+
+ TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
+
+ DrawVideoDisplayCurrentState();
+}
+
+static void TapeSingleStep(void)
+{
+ if (network.enabled)
+ return;
+
+ if (!tape.pausing)
+ TapeTogglePause(TAPE_TOGGLE_MANUAL);
+
+ tape.single_step = !tape.single_step;
+
+ DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
+}
+
+void TapeQuickSave(void)
+{
+ if (game_status == GAME_MODE_MAIN)
+ {
+ Request("No game that can be saved!", REQ_CONFIRM);
+
+ return;
+ }
+
+ 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))
+ SaveEngineSnapshotSingle();
+}
+
+void TapeQuickLoad(void)
+{
+ char *filename = getTapeFilename(level_nr);
+
+ if (!fileExists(filename))
+ {
+ Request("No tape for this level!", REQ_CONFIRM);
+
+ return;
+ }
+
+ if (tape.recording && !Request("Stop recording and load tape?",
+ REQ_ASK | REQ_STAY_CLOSED))
+ {
+ OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
+
+ return;
+ }
+
+ if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
+ return;
+
+ if (CheckEngineSnapshotSingle())
+ {
+ TapeStartGamePlaying();
+
+ LoadEngineSnapshotSingle();
+
+ DrawCompleteVideoDisplay();
+
+ tape.playing = TRUE;
+ tape.pausing = TRUE;
+
+ TapeStopWarpForward();
+ TapeAppendRecording();
+
+ // restart step/move snapshots after quick loading tape
+ SaveEngineSnapshotToListInitial();
+
+ if (FrameCounter > 0)
+ return;
+ }
+
+ TapeStop();
+ TapeErase();
+
+ LoadTape(level_nr);
+
+ if (!TAPE_IS_EMPTY(tape))
+ {
+ TapeStartGamePlaying();
+ TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
+
+ 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);
+ }
+}
+
+boolean hasSolutionTape(void)
+{
+ boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
+ boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
+ level.native_sp_level->demo.is_available);
+
+ return (tape_file_exists || level_has_tape);
+}
+
+boolean InsertSolutionTape(void)
+{
+ if (!hasSolutionTape())
+ {
+ Request("No solution tape for this level!", REQ_CONFIRM);
+
+ return FALSE;
+ }
+
+ if (!TAPE_IS_STOPPED(tape))
+ TapeStop();
+
+ // if tape recorder already contains a tape, remove it without asking
+ TapeErase();
+
+ LoadSolutionTape(level_nr);
+
+ DrawCompleteVideoDisplay();
+
+ if (TAPE_IS_EMPTY(tape))
+ {
+ Request("Loading solution tape for this level failed!", REQ_CONFIRM);
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+boolean PlaySolutionTape(void)
+{
+ if (!InsertSolutionTape())
+ return FALSE;
+
+ TapeStartGamePlaying();
+
+ return TRUE;
+}
+
+static boolean checkTapesFromSameLevel(struct TapeInfo *t1, struct TapeInfo *t2)
+{
+ return (strEqual(t1->level_identifier, t2->level_identifier) &&
+ t1->level_nr == t2->level_nr);
+}
+
+static void CopyTape(struct TapeInfo *tape_from, struct TapeInfo *tape_to)
+{
+ if (tape_to->level_identifier != NULL)
+ checked_free(tape_to->level_identifier);
+
+ *tape_to = *tape_from;
+
+ tape_to->level_identifier = getStringCopy(tape_from->level_identifier);
+}
+
+static void SwapTapes(struct TapeInfo *t1, struct TapeInfo *t2)
+{
+ struct TapeInfo tmp = *t1;
+
+ *t1 = *t2;
+ *t2 = tmp;
+}
+
+static void CopyTapeToUndoBuffer(void)
+{
+ // copy tapes to undo buffer if large enough (or larger than last undo tape)
+ // or if the last undo tape is from a different level set or level number
+ if (tape.length_seconds >= TAPE_MIN_SECONDS_FOR_UNDO_BUFFER ||
+ tape.length_seconds >= tape_undo_buffer.length_seconds ||
+ !checkTapesFromSameLevel(&tape, &tape_undo_buffer))
+ {
+ CopyTape(&tape, &tape_undo_buffer);
+ }
+}
+
+void UndoTape(void)
+{
+ // only undo tapes from same level set and with same level number
+ if (!checkTapesFromSameLevel(&tape, &tape_undo_buffer))
+ return;
+
+ if (!TAPE_IS_STOPPED(tape))
+ TapeStop();
+
+ // swap last recorded tape with undo buffer, so undo can be reversed
+ SwapTapes(&tape, &tape_undo_buffer);
+
+ DrawCompleteVideoDisplay();
+}
+
+void FixTape_ForceSinglePlayer(void)
+{
+ int i;
+
+ /* fix single-player tapes that contain player input for more than one
+ player (due to a bug in 3.3.1.2 and earlier versions), which results
+ in playing levels with more than one player in multi-player mode,
+ even though the tape was originally recorded in single-player mode */
+
+ // remove player input actions for all players but the first one
+ for (i = 1; i < MAX_PLAYERS; i++)
+ tape.player_participates[i] = FALSE;
+
+ tape.changed = TRUE;
+}
+
+
+// ----------------------------------------------------------------------------
+// tape autoplay functions
+// ----------------------------------------------------------------------------
+
+void AutoPlayTapes(void)
+{
+ static LevelDirTree *autoplay_leveldir = NULL;
+ static boolean autoplay_initialized = FALSE;
+ static int autoplay_level_nr = -1;
+ static int num_levels_played = 0;
+ static int num_levels_solved = 0;
+ static int num_tapes_patched = 0;
+ static int num_tape_missing = 0;
+ static boolean level_failed[MAX_TAPES_PER_SET];
+ static int patch_nr = 0;
+ static char *patch_name[] =
+ {
+ "original tape",
+ "em_random_bug",
+ "screen_34x34",
+
+ NULL
+ };
+ static int patch_version_first[] =
+ {
+ VERSION_IDENT(0,0,0,0),
+ VERSION_IDENT(3,3,1,0),
+ VERSION_IDENT(0,0,0,0),
+
+ -1
+ };
+ static int patch_version_last[] =
+ {
+ VERSION_IDENT(9,9,9,9),
+ VERSION_IDENT(4,0,1,1),
+ VERSION_IDENT(4,2,2,0),
+
+ -1
+ };
+ static byte patch_property_bit[] =
+ {
+ TAPE_PROPERTY_NONE,
+ TAPE_PROPERTY_EM_RANDOM_BUG,
+ TAPE_PROPERTY_NONE,
+
+ -1
+ };
+ int i;
+
+ if (autoplay_initialized)
+ {
+ if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
+ {
+ if (tape.auto_play_level_solved)
+ {
+ if (patch_nr > 0)
+ {
+ // level solved by patched tape -- save fixed tape
+ char *filename = getTapeFilename(level_nr);
+ char *filename_orig = getStringCat2(filename, ".orig");
+
+ // create backup from old tape, if not yet existing
+ if (!fileExists(filename_orig))
+ rename(filename, filename_orig);
+
+ SaveTapeToFilename(filename);
+
+ tape.auto_play_level_fixed = TRUE;
+ num_tapes_patched++;
+ }
+
+ // continue with next tape
+ patch_nr = 0;
+ }
+ else if (patch_name[patch_nr + 1] != NULL)
+ {
+ // level not solved by patched tape -- continue with next patch
+ patch_nr++;
+ }
+ else
+ {
+ // level not solved by any patched tape -- continue with next tape
+ tape.auto_play_level_not_fixable = TRUE;
+ patch_nr = 0;
+ }
+ }
+
+ // just finished auto-playing tape
+ PrintTapeReplayProgress(TRUE);
+
+ if (patch_nr == 0)
+ num_levels_played++;
+
+ if (tape.auto_play_level_solved)
+ num_levels_solved++;
+
+ if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
+ level_failed[level_nr] = !tape.auto_play_level_solved;
+ }
+ else
+ {
+ DrawCompleteVideoDisplay();
+
+ audio.sound_enabled = FALSE;
+ setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);