aboutsummaryrefslogtreecommitdiffstats
path: root/src/base
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/base/UBeatTimer.pas168
-rw-r--r--src/base/UMain.pas1
-rw-r--r--src/base/UMusic.pas134
3 files changed, 171 insertions, 132 deletions
diff --git a/src/base/UBeatTimer.pas b/src/base/UBeatTimer.pas
new file mode 100644
index 00000000..1f5481fa
--- /dev/null
+++ b/src/base/UBeatTimer.pas
@@ -0,0 +1,168 @@
+ {* 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
+uses UTime;
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+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
diff --git a/src/base/UMain.pas b/src/base/UMain.pas
index 469a658b..28ba5afc 100644
--- a/src/base/UMain.pas
+++ b/src/base/UMain.pas
@@ -83,6 +83,7 @@ uses
UPath,
UPlaylist,
UMusic,
+ UBeatTimer,
UPlatform,
USkins,
USongs,
diff --git a/src/base/UMusic.pas b/src/base/UMusic.pas
index b86f3aad..19c54bee 100644
--- a/src/base/UMusic.pas
+++ b/src/base/UMusic.pas
@@ -36,7 +36,8 @@ interface
uses
UTime,
SysUtils,
- Classes;
+ Classes,
+ UBeatTimer;
type
TNoteType = (ntFreestyle, ntNormal, ntGolden);
@@ -99,51 +100,6 @@ type
Line: array of TLine;
end;
- (**
- * 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;
-
-
const
FFTSize = 512; // size of FFT data (output: FFTSize/2 values)
type
@@ -977,92 +933,6 @@ begin
end;
end;
-
-{ TVoiceRemoval }
-
-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;
-
-
{ TAudioConverter }
function TAudioConverter.Init(SrcFormatInfo: TAudioFormatInfo; DstFormatInfo: TAudioFormatInfo): boolean;