+ 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)
+{
+ *tape_to = *tape_from;
+}
+
+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
+// ----------------------------------------------------------------------------
+
+static void AutoPlayTapes_SetScoreEntry(int score, int time)
+{
+ // set unique basename for score tape (for uploading to score server)
+ strcpy(tape.score_tape_basename, getScoreTapeBasename(setup.player_name));
+
+ // store score in first score entry
+ scores.last_added = 0;
+
+ struct ScoreEntry *entry = &scores.entry[scores.last_added];
+
+ strncpy(entry->tape_basename, tape.score_tape_basename, MAX_FILENAME_LEN);
+ strncpy(entry->name, setup.player_name, MAX_PLAYER_NAME_LEN);
+
+ entry->score = score;
+ entry->time = time;
+
+ PrintNoLog("- uploading score tape to score server ... ");
+
+ server_scores.uploaded = FALSE;
+}
+
+static void AutoPlayTapes_WaitForUpload(void)
+{
+ unsigned int upload_delay = 0;
+ unsigned int upload_delay_value = 10000;
+
+ ResetDelayCounter(&upload_delay);
+
+ // wait for score tape to be successfully uploaded (and fail on timeout)
+ while (!server_scores.uploaded)
+ {
+ if (DelayReached(&upload_delay, upload_delay_value))
+ {
+ PrintNoLog("\r");
+ Print("- uploading score tape to score server - TIMEOUT.\n");
+
+ Fail("cannot upload score tape to score server");
+ }
+
+ Delay(20);
+ }
+
+ PrintNoLog("\r");
+ Print("- uploading score tape to score server - uploaded.\n");
+}
+
+void AutoPlayTapes(void)
+{
+ static struct AutoPlayInfo autoplay;
+ 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
+ };
+ boolean init_level_set = FALSE;
+ 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);