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Added new method TALSSound.FadeOutThenPause() #57

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merged 1 commit into from
Jul 19, 2024
Merged

Added new method TALSSound.FadeOutThenPause() #57

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28 changes: 25 additions & 3 deletions source/alsound.pas
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Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,7 @@ TALSSound = class( TALSErrorHandling )
procedure SetBuffersFrameCapacity(aFrameCapacity: longword);
procedure FreeBuffers;
protected
FFadeOutEnabled, FKillAfterFadeOut, FKillAfterPlay, FKill: boolean;
FFadeOutEnabled, FKillAfterFadeOut, FPauseAfterFadeOut, FKillAfterPlay, FKill: boolean;
private
procedure SetLoop(AValue: boolean);
procedure SetALVolume;
Expand Down Expand Up @@ -444,6 +444,9 @@ TALSSound = class( TALSErrorHandling )
// Decrease the volume of the sound and when its volume reach 0 kill it.
procedure FadeOutThenKill(aDuration: single; aCurveID: TALSCurveID = ALS_Linear);

// Decrease the volume of the sound and when its volume reach 0 pause it.
procedure FadeOutThenPause(aDuration: single; aCurveID: TALSCurveID = ALS_Linear);

// kill the sound (stop it and free all ressources for this sound).
procedure Kill;

Expand Down Expand Up @@ -5738,8 +5741,13 @@ procedure TALSSound.Update(const aElapsedTime: single);
if (Volume.State = alspsNO_CHANGE) and FFadeOutEnabled then
begin
FFadeOutEnabled := False;
Stop;
FKill := FKill or FKillAfterFadeOut;
if FPauseAfterFadeOut then begin
FPauseAfterFadeOut := False;
alSourcePause(FSource);
end else if FKillAfterFadeOut then begin
Stop;
FKill := True;
end;
end;

flagDoOnStopped := (State = ALS_STOPPED) and
Expand Down Expand Up @@ -6155,6 +6163,20 @@ procedure TALSSound.FadeOutThenKill(aDuration: single; aCurveID: TALSCurveID);
Kill;
end;

procedure TALSSound.FadeOutThenPause(aDuration: single; aCurveID: TALSCurveID);
begin
if not Error then
begin
case State of
ALS_STOPPED, ALS_PAUSED: Volume.Value := 0;
ALS_PLAYING: begin
FPauseAfterFadeOut := True;
FadeOut(aDuration, aCurveID);
end;
end;
end;
end;

procedure TALSSound.Kill;
begin
FKill := True;
Expand Down