From 917901e8e33438c425aef50a0a7417f32d77b760 Mon Sep 17 00:00:00 2001 From: s_alexander Date: Mon, 9 Nov 2009 00:27:55 +0000 Subject: merged unicode branch (r1931) into trunk git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1939 b956fd51-792f-4845-bead-9b4dfca2ff2c --- src/base/UBeatTimer.pas | 338 ++++++++++++++++++++++++------------------------ 1 file changed, 169 insertions(+), 169 deletions(-) (limited to 'src/base/UBeatTimer.pas') diff --git a/src/base/UBeatTimer.pas b/src/base/UBeatTimer.pas index 2983fdee..310a49cd 100644 --- a/src/base/UBeatTimer.pas +++ b/src/base/UBeatTimer.pas @@ -1,170 +1,170 @@ -{* UltraStar Deluxe - Karaoke Game - * - * UltraStar Deluxe is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - * $URL: https://ultrastardx.svn.sourceforge.net/svnroot/ultrastardx/trunk/src/base/USingNotes.pas $ - * $Id: USingNotes.pas 1406 2008-09-23 21:43:52Z k-m_schindler $ - *} - -unit UBeatTimer; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - UTime; - -type - (** - * TLyricsState contains all information concerning the - * state of the lyrics, e.g. the current beat or duration of the lyrics. - *) - TLyricsState = class - private - Timer: TRelativeTimer; // keeps track of the current time - public - OldBeat: integer; // previous discovered beat - CurrentBeat: integer; // current beat (rounded) - MidBeat: real; // current beat (float) - - // now we use this for super synchronization! - // only used when analyzing voice - // TODO: change ...D to ...Detect(ed) - OldBeatD: integer; // previous discovered beat - CurrentBeatD: integer; // current discovered beat (rounded) - MidBeatD: real; // current discovered beat (float) - - // we use this for audible clicks - // TODO: Change ...C to ...Click - OldBeatC: integer; // previous discovered beat - CurrentBeatC: integer; - MidBeatC: real; // like CurrentBeatC - - OldLine: integer; // previous displayed sentence - - StartTime: real; // time till start of lyrics (= Gap) - TotalTime: real; // total song time - - constructor Create(); - procedure Pause(); - procedure Resume(); - - procedure Reset(); - procedure UpdateBeats(); - - (** - * current song time (in seconds) used as base-timer for lyrics etc. - *) - function GetCurrentTime(): real; - procedure SetCurrentTime(Time: real); - end; - -implementation -uses UNote, Math; - - -constructor TLyricsState.Create(); -begin - // create a triggered timer, so we can Pause() it, set the time - // and Resume() it afterwards for better synching. - Timer := TRelativeTimer.Create(true); - - // reset state - Reset(); -end; - -procedure TLyricsState.Pause(); -begin - Timer.Pause(); -end; - -procedure TLyricsState.Resume(); -begin - Timer.Resume(); -end; - -procedure TLyricsState.SetCurrentTime(Time: real); -begin - // do not start the timer (if not started already), - // after setting the current time - Timer.SetTime(Time, false); -end; - -function TLyricsState.GetCurrentTime(): real; -begin - Result := Timer.GetTime(); -end; - -(** - * Resets the timer and state of the lyrics. - * The timer will be stopped afterwards so you have to call Resume() - * to start the lyrics timer. - *) -procedure TLyricsState.Reset(); -begin - Pause(); - SetCurrentTime(0); - - StartTime := 0; - TotalTime := 0; - - OldBeat := -1; - MidBeat := -1; - CurrentBeat := -1; - - OldBeatC := -1; - MidBeatC := -1; - CurrentBeatC := -1; - - OldBeatD := -1; - MidBeatD := -1; - CurrentBeatD := -1; -end; - -(** - * Updates the beat information (CurrentBeat/MidBeat/...) according to the - * current lyric time. - *) -procedure TLyricsState.UpdateBeats(); -var - CurLyricsTime: real; -begin - CurLyricsTime := GetCurrentTime(); - - OldBeat := CurrentBeat; - MidBeat := GetMidBeat(CurLyricsTime - StartTime / 1000); - CurrentBeat := Floor(MidBeat); - - OldBeatC := CurrentBeatC; - MidBeatC := GetMidBeat(CurLyricsTime - StartTime / 1000); - CurrentBeatC := Floor(MidBeatC); - - OldBeatD := CurrentBeatD; - // MidBeatD = MidBeat with additional GAP - MidBeatD := -0.5 + GetMidBeat(CurLyricsTime - (StartTime + 120 + 20) / 1000); - CurrentBeatD := Floor(MidBeatD); -end; - +{* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + *} + +unit UBeatTimer; + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +uses + UTime; + +type + (** + * TLyricsState contains all information concerning the + * state of the lyrics, e.g. the current beat or duration of the lyrics. + *) + TLyricsState = class + private + Timer: TRelativeTimer; // keeps track of the current time + public + OldBeat: integer; // previous discovered beat + CurrentBeat: integer; // current beat (rounded) + MidBeat: real; // current beat (float) + + // now we use this for super synchronization! + // only used when analyzing voice + // TODO: change ...D to ...Detect(ed) + OldBeatD: integer; // previous discovered beat + CurrentBeatD: integer; // current discovered beat (rounded) + MidBeatD: real; // current discovered beat (float) + + // we use this for audible clicks + // TODO: Change ...C to ...Click + OldBeatC: integer; // previous discovered beat + CurrentBeatC: integer; + MidBeatC: real; // like CurrentBeatC + + OldLine: integer; // previous displayed sentence + + StartTime: real; // time till start of lyrics (= Gap) + TotalTime: real; // total song time + + constructor Create(); + procedure Pause(); + procedure Resume(); + + procedure Reset(); + procedure UpdateBeats(); + + (** + * current song time (in seconds) used as base-timer for lyrics etc. + *) + function GetCurrentTime(): real; + procedure SetCurrentTime(Time: real); + end; + +implementation +uses UNote, Math; + + +constructor TLyricsState.Create(); +begin + // create a triggered timer, so we can Pause() it, set the time + // and Resume() it afterwards for better synching. + Timer := TRelativeTimer.Create(true); + + // reset state + Reset(); +end; + +procedure TLyricsState.Pause(); +begin + Timer.Pause(); +end; + +procedure TLyricsState.Resume(); +begin + Timer.Resume(); +end; + +procedure TLyricsState.SetCurrentTime(Time: real); +begin + // do not start the timer (if not started already), + // after setting the current time + Timer.SetTime(Time, false); +end; + +function TLyricsState.GetCurrentTime(): real; +begin + Result := Timer.GetTime(); +end; + +(** + * Resets the timer and state of the lyrics. + * The timer will be stopped afterwards so you have to call Resume() + * to start the lyrics timer. + *) +procedure TLyricsState.Reset(); +begin + Pause(); + SetCurrentTime(0); + + StartTime := 0; + TotalTime := 0; + + OldBeat := -1; + MidBeat := -1; + CurrentBeat := -1; + + OldBeatC := -1; + MidBeatC := -1; + CurrentBeatC := -1; + + OldBeatD := -1; + MidBeatD := -1; + CurrentBeatD := -1; +end; + +(** + * Updates the beat information (CurrentBeat/MidBeat/...) according to the + * current lyric time. + *) +procedure TLyricsState.UpdateBeats(); +var + CurLyricsTime: real; +begin + CurLyricsTime := GetCurrentTime(); + + OldBeat := CurrentBeat; + MidBeat := GetMidBeat(CurLyricsTime - StartTime / 1000); + CurrentBeat := Floor(MidBeat); + + OldBeatC := CurrentBeatC; + MidBeatC := GetMidBeat(CurLyricsTime - StartTime / 1000); + CurrentBeatC := Floor(MidBeatC); + + OldBeatD := CurrentBeatD; + // MidBeatD = MidBeat with additional GAP + MidBeatD := -0.5 + GetMidBeat(CurLyricsTime - (StartTime + 120 + 20) / 1000); + CurrentBeatD := Floor(MidBeatD); +end; + end. \ No newline at end of file -- cgit v1.2.3