+ 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",
+
+ NULL
+ };
+ static int patch_version_first[] =
+ {
+ VERSION_IDENT(0,0,0,0),
+ VERSION_IDENT(3,3,1,0),
+
+ -1
+ };
+ static int patch_version_last[] =
+ {
+ VERSION_IDENT(9,9,9,9),
+ VERSION_IDENT(4,0,1,1),
+
+ -1
+ };
+ static byte patch_property_bit[] =
+ {
+ TAPE_PROPERTY_NONE,
+ TAPE_PROPERTY_EM_RANDOM_BUG,
+
+ -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);
+
+ autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
+ global.autoplay_leveldir);
+
+ if (autoplay_leveldir == NULL)
+ Fail("no such level identifier: '%s'", global.autoplay_leveldir);
+
+ leveldir_current = autoplay_leveldir;
+
+ if (autoplay_leveldir->first_level < 0)
+ autoplay_leveldir->first_level = 0;
+ if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
+ autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
+
+ autoplay_level_nr = autoplay_leveldir->first_level;
+
+ PrintLine("=", 79);
+ if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
+ Print("Automatically fixing level tapes\n");
+ else
+ Print("Automatically playing level tapes\n");
+ PrintLine("-", 79);
+ Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
+ Print("Level series name: '%s'\n", autoplay_leveldir->name);
+ Print("Level series author: '%s'\n", autoplay_leveldir->author);
+ Print("Number of levels: %d\n", autoplay_leveldir->levels);
+ PrintLine("=", 79);
+ Print("\n");
+
+ for (i = 0; i < MAX_TAPES_PER_SET; i++)
+ level_failed[i] = FALSE;
+
+ // only private tapes may be modified
+ if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
+ options.mytapes = TRUE;
+
+ autoplay_initialized = TRUE;
+ }
+
+ while (1)
+ {
+ if (global.autoplay_mode != AUTOPLAY_MODE_FIX || patch_nr == 0)
+ level_nr = autoplay_level_nr++;
+
+ if (level_nr > autoplay_leveldir->last_level)
+ break;
+
+ // set patch info (required for progress output)
+ strcpy(tape_patch_info, "");
+ if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
+ snprintf(tape_patch_info, MAX_OUTPUT_LINESIZE, "[%-13s] ",
+ patch_name[patch_nr]);
+
+ if (!global.autoplay_all && !global.autoplay_level[level_nr])
+ continue;
+
+ TapeErase();
+
+ LoadLevel(level_nr);
+
+ if (level.no_level_file || level.no_valid_file)
+ {
+ Print("Tape %03d: (no level found)\n", level_nr);
+
+ continue;
+ }
+
+#if 0
+ // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
+ Print("Tape %03d: (only testing level)\n", level_nr);
+ continue;
+#endif
+
+ if (options.mytapes)
+ LoadTape(level_nr);
+ else
+ LoadSolutionTape(level_nr);
+
+ if (tape.no_valid_file)
+ {
+ num_tape_missing++;