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Diffstat (limited to 'Game/Code/Screens/UScreenOptionsRecord.pas')
-rw-r--r--Game/Code/Screens/UScreenOptionsRecord.pas1512
1 files changed, 756 insertions, 756 deletions
diff --git a/Game/Code/Screens/UScreenOptionsRecord.pas b/Game/Code/Screens/UScreenOptionsRecord.pas
index 8db5ede9..0e6a6842 100644
--- a/Game/Code/Screens/UScreenOptionsRecord.pas
+++ b/Game/Code/Screens/UScreenOptionsRecord.pas
@@ -1,756 +1,756 @@
-unit UScreenOptionsRecord;
-
-interface
-
-{$IFDEF FPC}
- {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-uses
- UThemes,
- UMusic,
- URecord,
- UMenu;
-
-type
- TDrawState = record
- ChannelIndex: integer;
- R, G, B: real; // mapped player color (normal)
- RD, GD, BD: real; // mapped player color (dark)
- end;
-
- TPeakInfo = record
- Volume: single;
- Time: cardinal;
- end;
-
- TScreenOptionsRecord = class(TMenu)
- private
- // max. count of input-channels determined for all devices
- MaxChannelCount: integer;
-
- // current input device
- CurrentDeviceIndex: integer;
- PreviewDeviceIndex: integer;
-
- // string arrays for select-slide options
- InputSourceNames: array of string;
- InputDeviceNames: array of string;
-
- // dynamic generated themes for channel select-sliders
- SelectSlideChannelTheme: array of TThemeSelectSlide;
-
- // indices for widget-updates
- SelectInputSourceID: integer;
- SelectSlideChannelID: array of integer;
- TextPitchID: array of integer;
-
- // interaction IDs
- ExitButtonIID: integer;
-
- // dummy data for non-available channels
- ChannelToPlayerMapDummy: integer;
-
- // preview channel-buffers
- PreviewChannel: array of TCaptureBuffer;
- ChannelPeak: array of TPeakInfo;
-
- // Device source volume
- SourceVolume: single;
- NextVolumePollTime: cardinal;
-
- procedure StartPreview;
- procedure StopPreview;
- procedure UpdateInputDevice;
- procedure ChangeVolume(VolumeChange: single);
- procedure DrawVolume(x, y, Width, Height: single);
- procedure DrawVUMeter(const State: TDrawState; x, y, Width, Height: single);
- procedure DrawPitch(const State: TDrawState; x, y, Width, Height: single);
- public
- constructor Create; override;
- function Draw: boolean; override;
- function ParseInput(PressedKey: Cardinal; CharCode: WideChar; PressedDown: Boolean): Boolean; override;
- procedure onShow; override;
- procedure onHide; override;
- end;
-
-const
- PeakDecay = 0.2; // strength of peak-decay (reduction after one sec)
-
-const
- BarHeight = 11; // height of each bar (volume/vu-meter/pitch)
- BarUpperSpacing = 1; // spacing between a bar-area and the previous widget
- BarLowerSpacing = 3; // spacing between a bar-area and the next widget
- SourceBarsTotalHeight = BarHeight + BarUpperSpacing + BarLowerSpacing;
- ChannelBarsTotalHeight = 2*BarHeight + BarUpperSpacing + BarLowerSpacing;
-
-implementation
-
-uses
- SysUtils,
- Math,
- SDL,
- gl,
- UGraphic,
- UDraw,
- UMain,
- UMenuSelectSlide,
- UMenuText,
- UFiles,
- UDisplay,
- UIni,
- ULog;
-
-function TScreenOptionsRecord.ParseInput(PressedKey: Cardinal; CharCode: WideChar; PressedDown: Boolean): Boolean;
-begin
- Result := true;
- If (PressedDown) Then
- begin // Key Down
- // check normal keys
- case WideCharUpperCase(CharCode)[1] of
- 'Q':
- begin
- Result := false;
- Exit;
- end;
- '+':
- begin
- // FIXME: add a nice volume-slider instead
- // or at least provide visualization and acceleration if the user holds the key pressed.
- ChangeVolume(0.02);
- end;
- '-':
- begin
- // FIXME: add a nice volume-slider instead
- // or at least provide visualization and acceleration if the user holds the key pressed.
- ChangeVolume(-0.02);
- end;
- 'T':
- begin
- if ((SDL_GetModState() and KMOD_SHIFT) <> 0) then
- Ini.ThresholdIndex := (Ini.ThresholdIndex + Length(IThresholdVals) - 1) mod Length(IThresholdVals)
- else
- Ini.ThresholdIndex := (Ini.ThresholdIndex + 1) mod Length(IThresholdVals);
- end;
- end;
-
- // check special keys
- case PressedKey of
- SDLK_ESCAPE,
- SDLK_BACKSPACE:
- begin
- Ini.Save;
- AudioPlayback.PlaySound(SoundLib.Back);
- FadeTo(@ScreenOptions);
- end;
- SDLK_RETURN:
- begin
- if (SelInteraction = ExitButtonIID) then
- begin
- Ini.Save;
- AudioPlayback.PlaySound(SoundLib.Back);
- FadeTo(@ScreenOptions);
- end;
- end;
- SDLK_DOWN:
- InteractNext;
- SDLK_UP :
- InteractPrev;
- SDLK_RIGHT:
- begin
- if (SelInteraction >= 0) and (SelInteraction < ExitButtonIID) then
- begin
- AudioPlayback.PlaySound(SoundLib.Option);
- InteractInc;
- end;
- UpdateInputDevice;
- end;
- SDLK_LEFT:
- begin
- if (SelInteraction >= 0) and (SelInteraction < ExitButtonIID) then
- begin
- AudioPlayback.PlaySound(SoundLib.Option);
- InteractDec;
- end;
- UpdateInputDevice;
- end;
- end;
- end;
-end;
-
-constructor TScreenOptionsRecord.Create;
-var
- DeviceIndex: integer;
- SourceIndex: integer;
- ChannelIndex: integer;
- InputDevice: TAudioInputDevice;
- InputDeviceCfg: PInputDeviceConfig;
- ChannelTheme: ^TThemeSelectSlide;
- ButtonTheme: TThemeButton;
- WidgetYPos: integer;
-begin
- inherited Create;
-
- LoadFromTheme(Theme.OptionsRecord);
-
- // set CurrentDeviceIndex to a valid device
- if (Length(AudioInputProcessor.DeviceList) > 0) then
- CurrentDeviceIndex := 0
- else
- CurrentDeviceIndex := -1;
-
- PreviewDeviceIndex := -1;
-
- WidgetYPos := 0;
-
- // init sliders if at least one device was detected
- if (Length(AudioInputProcessor.DeviceList) > 0) then
- begin
- InputDevice := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
- InputDeviceCfg := @Ini.InputDeviceConfig[InputDevice.CfgIndex];
-
- // init device-selection slider
- SetLength(InputDeviceNames, Length(AudioInputProcessor.DeviceList));
- for DeviceIndex := 0 to High(AudioInputProcessor.DeviceList) do
- begin
- InputDeviceNames[DeviceIndex] := AudioInputProcessor.DeviceList[DeviceIndex].Name;
- end;
- // add device-selection slider (InteractionID: 0)
- AddSelectSlide(Theme.OptionsRecord.SelectSlideCard, CurrentDeviceIndex, InputDeviceNames);
-
- // init source-selection slider
- SetLength(InputSourceNames, Length(InputDevice.Source));
- for SourceIndex := 0 to High(InputDevice.Source) do
- begin
- InputSourceNames[SourceIndex] := InputDevice.Source[SourceIndex].Name;
- end;
- // add source-selection slider (InteractionID: 1)
- SelectInputSourceID := AddSelectSlide(Theme.OptionsRecord.SelectSlideInput,
- InputDeviceCfg.Input, InputSourceNames);
-
- // add space for source volume bar
- WidgetYPos := Theme.OptionsRecord.SelectSlideInput.Y +
- Theme.OptionsRecord.SelectSlideInput.H +
- SourceBarsTotalHeight;
-
- // find max. channel count of all devices
- MaxChannelCount := 0;
- for DeviceIndex := 0 to High(AudioInputProcessor.DeviceList) do
- begin
- if (AudioInputProcessor.DeviceList[DeviceIndex].AudioFormat.Channels > MaxChannelCount) then
- MaxChannelCount := AudioInputProcessor.DeviceList[DeviceIndex].AudioFormat.Channels;
- end;
-
- // init channel-to-player mapping sliders
- SetLength(SelectSlideChannelID, MaxChannelCount);
- SetLength(SelectSlideChannelTheme, MaxChannelCount);
- SetLength(TextPitchID, MaxChannelCount);
-
- for ChannelIndex := 0 to MaxChannelCount-1 do
- begin
- // copy reference slide
- SelectSlideChannelTheme[ChannelIndex] :=
- Theme.OptionsRecord.SelectSlideChannel;
- // set current channel-theme
- ChannelTheme := @SelectSlideChannelTheme[ChannelIndex];
- // adjust vertical position
- ChannelTheme.Y := WidgetYPos;
- // calc size of next slide (add space for bars)
- WidgetYPos := WidgetYPos + ChannelTheme.H + ChannelBarsTotalHeight;
- // append channel index to name
- ChannelTheme.Text := ChannelTheme.Text + IntToStr(ChannelIndex+1);
-
- // add tone-pitch label
- TextPitchID[ChannelIndex] := AddText(
- ChannelTheme.X + ChannelTheme.W,
- ChannelTheme.Y + ChannelTheme.H/2,
- '-');
-
- // show/hide widgets depending on whether the channel exists
- if (ChannelIndex < Length(InputDeviceCfg.ChannelToPlayerMap)) then
- begin
- // current device has this channel
-
- // add slider
- SelectSlideChannelID[ChannelIndex] := AddSelectSlide(ChannelTheme^,
- InputDeviceCfg.ChannelToPlayerMap[ChannelIndex], IChannelPlayer);
- end
- else
- begin
- // current device does not have that many channels
-
- // add slider but hide it and assign a dummy variable to it
- SelectSlideChannelID[ChannelIndex] := AddSelectSlide(ChannelTheme^,
- ChannelToPlayerMapDummy, IChannelPlayer);
- SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := false;
-
- // hide pitch label
- Text[TextPitchID[ChannelIndex]].Visible := false;
- end;
- end;
- end;
-
- // add Exit-button
- ButtonTheme := Theme.OptionsRecord.ButtonExit;
- // adjust button position
- if (WidgetYPos <> 0) then
- ButtonTheme.Y := WidgetYPos;
- AddButton(ButtonTheme);
- if (Length(Button[0].Text) = 0) then
- AddButtonText(14, 20, Theme.Options.Description[7]);
- // store InteractionID
- if (Length(AudioInputProcessor.DeviceList) > 0) then
- ExitButtonIID := MaxChannelCount + 2
- else
- ExitButtonIID := 0;
-
- // set focus
- Interaction := 0;
-end;
-
-procedure TScreenOptionsRecord.UpdateInputDevice;
-var
- SourceIndex: integer;
- InputDevice: TAudioInputDevice;
- InputDeviceCfg: PInputDeviceConfig;
- ChannelIndex: integer;
-begin
- //Log.LogStatus('Update input-device', 'TScreenOptionsRecord.UpdateCard') ;
-
- StopPreview();
-
- // set CurrentDeviceIndex to a valid device
- if (CurrentDeviceIndex > High(AudioInputProcessor.DeviceList)) then
- CurrentDeviceIndex := 0;
-
- // update sliders if at least one device was detected
- if (Length(AudioInputProcessor.DeviceList) > 0) then
- begin
- InputDevice := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
- InputDeviceCfg := @Ini.InputDeviceConfig[InputDevice.CfgIndex];
-
- // update source-selection slider
- SetLength(InputSourceNames, Length(InputDevice.Source));
- for SourceIndex := 0 to High(InputDevice.Source) do
- begin
- InputSourceNames[SourceIndex] := InputDevice.Source[SourceIndex].Name;
- end;
- UpdateSelectSlideOptions(Theme.OptionsRecord.SelectSlideInput, SelectInputSourceID,
- InputSourceNames, InputDeviceCfg.Input);
-
- // update channel-to-player mapping sliders
- for ChannelIndex := 0 to MaxChannelCount-1 do
- begin
- // show/hide widgets depending on whether the channel exists
- if (ChannelIndex < Length(InputDeviceCfg.ChannelToPlayerMap)) then
- begin
- // current device has this channel
-
- // show slider
- UpdateSelectSlideOptions(SelectSlideChannelTheme[ChannelIndex],
- SelectSlideChannelID[ChannelIndex], IChannelPlayer,
- InputDeviceCfg.ChannelToPlayerMap[ChannelIndex]);
- SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := true;
-
- // show pitch label
- Text[TextPitchID[ChannelIndex]].Visible := true;
- end
- else
- begin
- // current device does not have that many channels
-
- // hide slider and assign a dummy variable to it
- UpdateSelectSlideOptions(SelectSlideChannelTheme[ChannelIndex],
- SelectSlideChannelID[ChannelIndex], IChannelPlayer,
- ChannelToPlayerMapDummy);
- SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := false;
-
- // hide pitch label
- Text[TextPitchID[ChannelIndex]].Visible := false;
- end;
- end;
- end;
-
- StartPreview();
-end;
-
-procedure TScreenOptionsRecord.ChangeVolume(VolumeChange: single);
-var
- InputDevice: TAudioInputDevice;
- Volume: single;
-begin
- // validate CurrentDeviceIndex
- if ((CurrentDeviceIndex < 0) or
- (CurrentDeviceIndex > High(AudioInputProcessor.DeviceList))) then
- begin
- Exit;
- end;
-
- InputDevice := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
- if not assigned(InputDevice) then
- Exit;
-
- // set new volume
- Volume := InputDevice.GetVolume() + VolumeChange;
- InputDevice.SetVolume(Volume);
- //DebugWriteln('Volume: ' + floattostr(InputDevice.GetVolume));
-
- // volume must be polled again
- NextVolumePollTime := 0;
-end;
-
-procedure TScreenOptionsRecord.onShow;
-var
- ChannelIndex: integer;
-begin
- inherited;
-
- Interaction := 0;
-
- // create preview sound-buffers
- SetLength(PreviewChannel, MaxChannelCount);
- for ChannelIndex := 0 to High(PreviewChannel) do
- PreviewChannel[ChannelIndex] := TCaptureBuffer.Create();
-
- SetLength(ChannelPeak, MaxChannelCount);
-
- StartPreview();
-end;
-
-procedure TScreenOptionsRecord.onHide;
-var
- ChannelIndex: integer;
-begin
- StopPreview();
-
- // free preview buffers
- for ChannelIndex := 0 to High(PreviewChannel) do
- PreviewChannel[ChannelIndex].Free;
- SetLength(PreviewChannel, 0);
- SetLength(ChannelPeak, 0);
-end;
-
-procedure TScreenOptionsRecord.StartPreview;
-var
- ChannelIndex: integer;
- Device: TAudioInputDevice;
-begin
- if ((CurrentDeviceIndex >= 0) and
- (CurrentDeviceIndex <= High(AudioInputProcessor.DeviceList))) then
- begin
- Device := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
- // set preview channel as active capture channel
- for ChannelIndex := 0 to High(Device.CaptureChannel) do
- begin
- PreviewChannel[ChannelIndex].Clear();
- Device.LinkCaptureBuffer(ChannelIndex, PreviewChannel[ChannelIndex]);
- FillChar(ChannelPeak[ChannelIndex], SizeOf(TPeakInfo), 0);
- end;
- Device.Start();
- PreviewDeviceIndex := CurrentDeviceIndex;
-
- // volume must be polled again
- NextVolumePollTime := 0;
- end;
-end;
-
-procedure TScreenOptionsRecord.StopPreview;
-var
- ChannelIndex: integer;
- Device: TAudioInputDevice;
-begin
- if ((PreviewDeviceIndex >= 0) and
- (PreviewDeviceIndex <= High(AudioInputProcessor.DeviceList))) then
- begin
- Device := AudioInputProcessor.DeviceList[PreviewDeviceIndex];
- Device.Stop;
- for ChannelIndex := 0 to High(Device.CaptureChannel) do
- Device.CaptureChannel[ChannelIndex] := nil;
- end;
- PreviewDeviceIndex := -1;
-end;
-
-
-procedure TScreenOptionsRecord.DrawVolume(x, y, Width, Height: single);
-var
- x1, y1, x2, y2: single;
- VolBarInnerWidth: integer;
-const
- VolBarInnerHSpacing = 2;
- VolBarInnerVSpacing = 1;
-begin
- // coordinates for black rect
- x1 := x;
- y1 := y;
- x2 := x1 + Width;
- y2 := y1 + Height;
-
- // draw black background-rect
- glColor4f(0, 0, 0, 0.8);
- glBegin(GL_QUADS);
- glVertex2f(x1, y1);
- glVertex2f(x2, y1);
- glVertex2f(x2, y2);
- glVertex2f(x1, y2);
- glEnd();
-
- VolBarInnerWidth := Trunc(Width - 2*VolBarInnerHSpacing);
-
- // coordinates for first half of the volume bar
- x1 := x + VolBarInnerHSpacing;
- x2 := x1 + VolBarInnerWidth * SourceVolume;
- y1 := y1 + VolBarInnerVSpacing;
- y2 := y2 - VolBarInnerVSpacing;
-
- // draw volume-bar
- glBegin(GL_QUADS);
- // draw volume bar
- glColor3f(0.4, 0.3, 0.3);
- glVertex2f(x1, y1);
- glVertex2f(x1, y2);
- glColor3f(1, 0.1, 0.1);
- glVertex2f(x2, y2);
- glVertex2f(x2, y1);
- glEnd();
-
- { not needed anymore
- // coordinates for separator
- x1 := x + VolBarInnerHSpacing;
- x2 := x1 + VolBarInnerWidth;
-
- // draw separator
- glBegin(GL_LINE_STRIP);
- glColor4f(0.1, 0.1, 0.1, 0.2);
- glVertex2f(x1, y2);
- glColor4f(0.4, 0.4, 0.4, 0.2);
- glVertex2f((x1+x2)/2, y2);
- glColor4f(0.1, 0.1, 0.1, 0.2);
- glVertex2f(x2, y2);
- glEnd();
- }
-end;
-
-procedure TScreenOptionsRecord.DrawVUMeter(const State: TDrawState; x, y, Width, Height: single);
-var
- x1, y1, x2, y2: single;
- Volume, PeakVolume: single;
- Delta: single;
- VolBarInnerWidth: integer;
-const
- VolBarInnerHSpacing = 2;
- VolBarInnerVSpacing = 1;
-begin
- // coordinates for black rect
- x1 := x;
- y1 := y;
- x2 := x1 + Width;
- y2 := y1 + Height;
-
- // draw black background-rect
- glColor4f(0, 0, 0, 0.8);
- glBegin(GL_QUADS);
- glVertex2f(x1, y1);
- glVertex2f(x2, y1);
- glVertex2f(x2, y2);
- glVertex2f(x1, y2);
- glEnd();
-
- VolBarInnerWidth := Trunc(Width - 2*VolBarInnerHSpacing);
-
- // vertical positions
- y1 := y1 + VolBarInnerVSpacing;
- y2 := y2 - VolBarInnerVSpacing;
-
- // coordinates for bevel
- x1 := x + VolBarInnerHSpacing;
- x2 := x1 + VolBarInnerWidth;
-
- glBegin(GL_QUADS);
- Volume := PreviewChannel[State.ChannelIndex].MaxSampleVolume();
-
- // coordinates for volume bar
- x1 := x + VolBarInnerHSpacing;
- x2 := x1 + VolBarInnerWidth * Volume;
-
- // draw volume bar
- glColor3f(State.RD, State.GD, State.BD);
- glVertex2f(x1, y1);
- glVertex2f(x1, y2);
- glColor3f(State.R, State.G, State.B);
- glVertex2f(x2, y2);
- glVertex2f(x2, y1);
-
- Delta := (SDL_GetTicks() - ChannelPeak[State.ChannelIndex].Time)/1000;
- PeakVolume := ChannelPeak[State.ChannelIndex].Volume - Delta*Delta*PeakDecay;
-
- // determine new peak-volume
- if (Volume > PeakVolume) then
- begin
- PeakVolume := Volume;
- ChannelPeak[State.ChannelIndex].Volume := Volume;
- ChannelPeak[State.ChannelIndex].Time := SDL_GetTicks();
- end;
-
- x1 := x + VolBarInnerHSpacing + VolBarInnerWidth * PeakVolume;
- x2 := x1 + 2;
-
- // draw peak
- glColor3f(0.8, 0.8, 0.8);
- glVertex2f(x1, y1);
- glVertex2f(x1, y2);
- glVertex2f(x2, y2);
- glVertex2f(x2, y1);
-
- // draw threshold
- x1 := x + VolBarInnerHSpacing;
- x2 := x1 + VolBarInnerWidth * IThresholdVals[Ini.ThresholdIndex];
-
- glColor4f(0.3, 0.3, 0.3, 0.6);
- glVertex2f(x1, y1);
- glVertex2f(x1, y2);
- glVertex2f(x2, y2);
- glVertex2f(x2, y1);
- glEnd();
-end;
-
-procedure TScreenOptionsRecord.DrawPitch(const State: TDrawState; x, y, Width, Height: single);
-var
- x1, y1, x2, y2: single;
- i: integer;
- ToneBoxWidth: real;
-const
- PitchBarInnerHSpacing = 2;
- PitchBarInnerVSpacing = 1;
-begin
- // calc tone pitch
- PreviewChannel[State.ChannelIndex].AnalyzeBuffer();
-
- // coordinates for black rect
- x1 := x;
- y1 := y;
- x2 := x + Width;
- y2 := y + Height;
-
- // draw black background-rect
- glColor4f(0, 0, 0, 0.8);
- glBegin(GL_QUADS);
- glVertex2f(x1, y1);
- glVertex2f(x2, y1);
- glVertex2f(x2, y2);
- glVertex2f(x1, y2);
- glEnd();
-
- // coordinates for tone boxes
- ToneBoxWidth := Width / NumHalftones;
- y1 := y1 + PitchBarInnerVSpacing;
- y2 := y2 - PitchBarInnerVSpacing;
-
- glBegin(GL_QUADS);
- // draw tone boxes
- for i := 0 to NumHalftones-1 do
- begin
- x1 := x + i * ToneBoxWidth + PitchBarInnerHSpacing;
- x2 := x1 + ToneBoxWidth - 2*PitchBarInnerHSpacing;
-
- if ((PreviewChannel[State.ChannelIndex].ToneValid) and
- (PreviewChannel[State.ChannelIndex].ToneAbs = i)) then
- begin
- // highlight current tone-pitch
- glColor3f(1, i / (NumHalftones-1), 0)
- end
- else
- begin
- // grey other tone-pitches
- glColor3f(0.3, i / (NumHalftones-1) * 0.3, 0);
- end;
-
- glVertex2f(x1, y1);
- glVertex2f(x2, y1);
- glVertex2f(x2, y2);
- glVertex2f(x1, y2);
- end;
- glEnd();
-
- // update tone-pitch label
- Text[TextPitchID[State.ChannelIndex]].Text :=
- PreviewChannel[State.ChannelIndex].ToneString;
-end;
-
-function TScreenOptionsRecord.Draw: boolean;
-var
- i: integer;
- Device: TAudioInputDevice;
- DeviceCfg: PInputDeviceConfig;
- SelectSlide: TSelectSlide;
- BarXOffset, BarYOffset, BarWidth: real;
- ChannelIndex: integer;
- State: TDrawState;
-begin
- DrawBG;
- DrawFG;
-
- if ((PreviewDeviceIndex >= 0) and
- (PreviewDeviceIndex <= High(AudioInputProcessor.DeviceList))) then
- begin
- Device := AudioInputProcessor.DeviceList[PreviewDeviceIndex];
- DeviceCfg := @Ini.InputDeviceConfig[Device.CfgIndex];
-
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- // update source volume
- if (SDL_GetTicks() >= NextVolumePollTime) then
- begin
- NextVolumePollTime := SDL_GetTicks() + 500; // next poll in 500ms
- SourceVolume := Device.GetVolume();
- end;
-
- // get source select slide
- SelectSlide := SelectsS[SelectInputSourceID];
- BarXOffset := SelectSlide.TextureSBG.X;
- BarYOffset := SelectSlide.TextureSBG.Y + SelectSlide.TextureSBG.H + BarUpperSpacing;
- BarWidth := SelectSlide.TextureSBG.W;
- DrawVolume(SelectSlide.TextureSBG.X, BarYOffset, BarWidth, BarHeight);
-
- for ChannelIndex := 0 to High(Device.CaptureChannel) do
- begin
- // load player color mapped to current input channel
- if (DeviceCfg.ChannelToPlayerMap[ChannelIndex] > 0) then
- begin
- // set mapped channel to corresponding player-color
- LoadColor(State.R, State.G, State.B, 'P'+ IntToStr(DeviceCfg.ChannelToPlayerMap[ChannelIndex]) + 'Dark');
- end
- else
- begin
- // set non-mapped channel to white
- State.R := 1; State.G := 1; State.B := 1;
- end;
-
- // dark player colors
- State.RD := 0.2 * State.R;
- State.GD := 0.2 * State.G;
- State.BD := 0.2 * State.B;
-
- // channel select slide
- SelectSlide := SelectsS[SelectSlideChannelID[ChannelIndex]];
-
- BarXOffset := SelectSlide.TextureSBG.X;
- BarYOffset := SelectSlide.TextureSBG.Y + SelectSlide.TextureSBG.H + BarUpperSpacing;
- BarWidth := SelectSlide.TextureSBG.W;
-
- State.ChannelIndex := ChannelIndex;
-
- DrawVUMeter(State, BarXOffset, BarYOffset, BarWidth, BarHeight);
- DrawPitch(State, BarXOffset, BarYOffset+BarHeight, BarWidth, BarHeight);
- end;
-
- glDisable(GL_BLEND);
- end;
-
- Result := True;
-end;
-
-
-end.
+unit UScreenOptionsRecord;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+ UThemes,
+ UMusic,
+ URecord,
+ UMenu;
+
+type
+ TDrawState = record
+ ChannelIndex: integer;
+ R, G, B: real; // mapped player color (normal)
+ RD, GD, BD: real; // mapped player color (dark)
+ end;
+
+ TPeakInfo = record
+ Volume: single;
+ Time: cardinal;
+ end;
+
+ TScreenOptionsRecord = class(TMenu)
+ private
+ // max. count of input-channels determined for all devices
+ MaxChannelCount: integer;
+
+ // current input device
+ CurrentDeviceIndex: integer;
+ PreviewDeviceIndex: integer;
+
+ // string arrays for select-slide options
+ InputSourceNames: array of string;
+ InputDeviceNames: array of string;
+
+ // dynamic generated themes for channel select-sliders
+ SelectSlideChannelTheme: array of TThemeSelectSlide;
+
+ // indices for widget-updates
+ SelectInputSourceID: integer;
+ SelectSlideChannelID: array of integer;
+ TextPitchID: array of integer;
+
+ // interaction IDs
+ ExitButtonIID: integer;
+
+ // dummy data for non-available channels
+ ChannelToPlayerMapDummy: integer;
+
+ // preview channel-buffers
+ PreviewChannel: array of TCaptureBuffer;
+ ChannelPeak: array of TPeakInfo;
+
+ // Device source volume
+ SourceVolume: single;
+ NextVolumePollTime: cardinal;
+
+ procedure StartPreview;
+ procedure StopPreview;
+ procedure UpdateInputDevice;
+ procedure ChangeVolume(VolumeChange: single);
+ procedure DrawVolume(x, y, Width, Height: single);
+ procedure DrawVUMeter(const State: TDrawState; x, y, Width, Height: single);
+ procedure DrawPitch(const State: TDrawState; x, y, Width, Height: single);
+ public
+ constructor Create; override;
+ function Draw: boolean; override;
+ function ParseInput(PressedKey: Cardinal; CharCode: WideChar; PressedDown: Boolean): Boolean; override;
+ procedure onShow; override;
+ procedure onHide; override;
+ end;
+
+const
+ PeakDecay = 0.2; // strength of peak-decay (reduction after one sec)
+
+const
+ BarHeight = 11; // height of each bar (volume/vu-meter/pitch)
+ BarUpperSpacing = 1; // spacing between a bar-area and the previous widget
+ BarLowerSpacing = 3; // spacing between a bar-area and the next widget
+ SourceBarsTotalHeight = BarHeight + BarUpperSpacing + BarLowerSpacing;
+ ChannelBarsTotalHeight = 2*BarHeight + BarUpperSpacing + BarLowerSpacing;
+
+implementation
+
+uses
+ SysUtils,
+ Math,
+ SDL,
+ gl,
+ UGraphic,
+ UDraw,
+ UMain,
+ UMenuSelectSlide,
+ UMenuText,
+ UFiles,
+ UDisplay,
+ UIni,
+ ULog;
+
+function TScreenOptionsRecord.ParseInput(PressedKey: Cardinal; CharCode: WideChar; PressedDown: Boolean): Boolean;
+begin
+ Result := true;
+ If (PressedDown) Then
+ begin // Key Down
+ // check normal keys
+ case WideCharUpperCase(CharCode)[1] of
+ 'Q':
+ begin
+ Result := false;
+ Exit;
+ end;
+ '+':
+ begin
+ // FIXME: add a nice volume-slider instead
+ // or at least provide visualization and acceleration if the user holds the key pressed.
+ ChangeVolume(0.02);
+ end;
+ '-':
+ begin
+ // FIXME: add a nice volume-slider instead
+ // or at least provide visualization and acceleration if the user holds the key pressed.
+ ChangeVolume(-0.02);
+ end;
+ 'T':
+ begin
+ if ((SDL_GetModState() and KMOD_SHIFT) <> 0) then
+ Ini.ThresholdIndex := (Ini.ThresholdIndex + Length(IThresholdVals) - 1) mod Length(IThresholdVals)
+ else
+ Ini.ThresholdIndex := (Ini.ThresholdIndex + 1) mod Length(IThresholdVals);
+ end;
+ end;
+
+ // check special keys
+ case PressedKey of
+ SDLK_ESCAPE,
+ SDLK_BACKSPACE:
+ begin
+ Ini.Save;
+ AudioPlayback.PlaySound(SoundLib.Back);
+ FadeTo(@ScreenOptions);
+ end;
+ SDLK_RETURN:
+ begin
+ if (SelInteraction = ExitButtonIID) then
+ begin
+ Ini.Save;
+ AudioPlayback.PlaySound(SoundLib.Back);
+ FadeTo(@ScreenOptions);
+ end;
+ end;
+ SDLK_DOWN:
+ InteractNext;
+ SDLK_UP :
+ InteractPrev;
+ SDLK_RIGHT:
+ begin
+ if (SelInteraction >= 0) and (SelInteraction < ExitButtonIID) then
+ begin
+ AudioPlayback.PlaySound(SoundLib.Option);
+ InteractInc;
+ end;
+ UpdateInputDevice;
+ end;
+ SDLK_LEFT:
+ begin
+ if (SelInteraction >= 0) and (SelInteraction < ExitButtonIID) then
+ begin
+ AudioPlayback.PlaySound(SoundLib.Option);
+ InteractDec;
+ end;
+ UpdateInputDevice;
+ end;
+ end;
+ end;
+end;
+
+constructor TScreenOptionsRecord.Create;
+var
+ DeviceIndex: integer;
+ SourceIndex: integer;
+ ChannelIndex: integer;
+ InputDevice: TAudioInputDevice;
+ InputDeviceCfg: PInputDeviceConfig;
+ ChannelTheme: ^TThemeSelectSlide;
+ ButtonTheme: TThemeButton;
+ WidgetYPos: integer;
+begin
+ inherited Create;
+
+ LoadFromTheme(Theme.OptionsRecord);
+
+ // set CurrentDeviceIndex to a valid device
+ if (Length(AudioInputProcessor.DeviceList) > 0) then
+ CurrentDeviceIndex := 0
+ else
+ CurrentDeviceIndex := -1;
+
+ PreviewDeviceIndex := -1;
+
+ WidgetYPos := 0;
+
+ // init sliders if at least one device was detected
+ if (Length(AudioInputProcessor.DeviceList) > 0) then
+ begin
+ InputDevice := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
+ InputDeviceCfg := @Ini.InputDeviceConfig[InputDevice.CfgIndex];
+
+ // init device-selection slider
+ SetLength(InputDeviceNames, Length(AudioInputProcessor.DeviceList));
+ for DeviceIndex := 0 to High(AudioInputProcessor.DeviceList) do
+ begin
+ InputDeviceNames[DeviceIndex] := AudioInputProcessor.DeviceList[DeviceIndex].Name;
+ end;
+ // add device-selection slider (InteractionID: 0)
+ AddSelectSlide(Theme.OptionsRecord.SelectSlideCard, CurrentDeviceIndex, InputDeviceNames);
+
+ // init source-selection slider
+ SetLength(InputSourceNames, Length(InputDevice.Source));
+ for SourceIndex := 0 to High(InputDevice.Source) do
+ begin
+ InputSourceNames[SourceIndex] := InputDevice.Source[SourceIndex].Name;
+ end;
+ // add source-selection slider (InteractionID: 1)
+ SelectInputSourceID := AddSelectSlide(Theme.OptionsRecord.SelectSlideInput,
+ InputDeviceCfg.Input, InputSourceNames);
+
+ // add space for source volume bar
+ WidgetYPos := Theme.OptionsRecord.SelectSlideInput.Y +
+ Theme.OptionsRecord.SelectSlideInput.H +
+ SourceBarsTotalHeight;
+
+ // find max. channel count of all devices
+ MaxChannelCount := 0;
+ for DeviceIndex := 0 to High(AudioInputProcessor.DeviceList) do
+ begin
+ if (AudioInputProcessor.DeviceList[DeviceIndex].AudioFormat.Channels > MaxChannelCount) then
+ MaxChannelCount := AudioInputProcessor.DeviceList[DeviceIndex].AudioFormat.Channels;
+ end;
+
+ // init channel-to-player mapping sliders
+ SetLength(SelectSlideChannelID, MaxChannelCount);
+ SetLength(SelectSlideChannelTheme, MaxChannelCount);
+ SetLength(TextPitchID, MaxChannelCount);
+
+ for ChannelIndex := 0 to MaxChannelCount-1 do
+ begin
+ // copy reference slide
+ SelectSlideChannelTheme[ChannelIndex] :=
+ Theme.OptionsRecord.SelectSlideChannel;
+ // set current channel-theme
+ ChannelTheme := @SelectSlideChannelTheme[ChannelIndex];
+ // adjust vertical position
+ ChannelTheme.Y := WidgetYPos;
+ // calc size of next slide (add space for bars)
+ WidgetYPos := WidgetYPos + ChannelTheme.H + ChannelBarsTotalHeight;
+ // append channel index to name
+ ChannelTheme.Text := ChannelTheme.Text + IntToStr(ChannelIndex+1);
+
+ // add tone-pitch label
+ TextPitchID[ChannelIndex] := AddText(
+ ChannelTheme.X + ChannelTheme.W,
+ ChannelTheme.Y + ChannelTheme.H/2,
+ '-');
+
+ // show/hide widgets depending on whether the channel exists
+ if (ChannelIndex < Length(InputDeviceCfg.ChannelToPlayerMap)) then
+ begin
+ // current device has this channel
+
+ // add slider
+ SelectSlideChannelID[ChannelIndex] := AddSelectSlide(ChannelTheme^,
+ InputDeviceCfg.ChannelToPlayerMap[ChannelIndex], IChannelPlayer);
+ end
+ else
+ begin
+ // current device does not have that many channels
+
+ // add slider but hide it and assign a dummy variable to it
+ SelectSlideChannelID[ChannelIndex] := AddSelectSlide(ChannelTheme^,
+ ChannelToPlayerMapDummy, IChannelPlayer);
+ SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := false;
+
+ // hide pitch label
+ Text[TextPitchID[ChannelIndex]].Visible := false;
+ end;
+ end;
+ end;
+
+ // add Exit-button
+ ButtonTheme := Theme.OptionsRecord.ButtonExit;
+ // adjust button position
+ if (WidgetYPos <> 0) then
+ ButtonTheme.Y := WidgetYPos;
+ AddButton(ButtonTheme);
+ if (Length(Button[0].Text) = 0) then
+ AddButtonText(14, 20, Theme.Options.Description[7]);
+ // store InteractionID
+ if (Length(AudioInputProcessor.DeviceList) > 0) then
+ ExitButtonIID := MaxChannelCount + 2
+ else
+ ExitButtonIID := 0;
+
+ // set focus
+ Interaction := 0;
+end;
+
+procedure TScreenOptionsRecord.UpdateInputDevice;
+var
+ SourceIndex: integer;
+ InputDevice: TAudioInputDevice;
+ InputDeviceCfg: PInputDeviceConfig;
+ ChannelIndex: integer;
+begin
+ //Log.LogStatus('Update input-device', 'TScreenOptionsRecord.UpdateCard') ;
+
+ StopPreview();
+
+ // set CurrentDeviceIndex to a valid device
+ if (CurrentDeviceIndex > High(AudioInputProcessor.DeviceList)) then
+ CurrentDeviceIndex := 0;
+
+ // update sliders if at least one device was detected
+ if (Length(AudioInputProcessor.DeviceList) > 0) then
+ begin
+ InputDevice := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
+ InputDeviceCfg := @Ini.InputDeviceConfig[InputDevice.CfgIndex];
+
+ // update source-selection slider
+ SetLength(InputSourceNames, Length(InputDevice.Source));
+ for SourceIndex := 0 to High(InputDevice.Source) do
+ begin
+ InputSourceNames[SourceIndex] := InputDevice.Source[SourceIndex].Name;
+ end;
+ UpdateSelectSlideOptions(Theme.OptionsRecord.SelectSlideInput, SelectInputSourceID,
+ InputSourceNames, InputDeviceCfg.Input);
+
+ // update channel-to-player mapping sliders
+ for ChannelIndex := 0 to MaxChannelCount-1 do
+ begin
+ // show/hide widgets depending on whether the channel exists
+ if (ChannelIndex < Length(InputDeviceCfg.ChannelToPlayerMap)) then
+ begin
+ // current device has this channel
+
+ // show slider
+ UpdateSelectSlideOptions(SelectSlideChannelTheme[ChannelIndex],
+ SelectSlideChannelID[ChannelIndex], IChannelPlayer,
+ InputDeviceCfg.ChannelToPlayerMap[ChannelIndex]);
+ SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := true;
+
+ // show pitch label
+ Text[TextPitchID[ChannelIndex]].Visible := true;
+ end
+ else
+ begin
+ // current device does not have that many channels
+
+ // hide slider and assign a dummy variable to it
+ UpdateSelectSlideOptions(SelectSlideChannelTheme[ChannelIndex],
+ SelectSlideChannelID[ChannelIndex], IChannelPlayer,
+ ChannelToPlayerMapDummy);
+ SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := false;
+
+ // hide pitch label
+ Text[TextPitchID[ChannelIndex]].Visible := false;
+ end;
+ end;
+ end;
+
+ StartPreview();
+end;
+
+procedure TScreenOptionsRecord.ChangeVolume(VolumeChange: single);
+var
+ InputDevice: TAudioInputDevice;
+ Volume: single;
+begin
+ // validate CurrentDeviceIndex
+ if ((CurrentDeviceIndex < 0) or
+ (CurrentDeviceIndex > High(AudioInputProcessor.DeviceList))) then
+ begin
+ Exit;
+ end;
+
+ InputDevice := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
+ if not assigned(InputDevice) then
+ Exit;
+
+ // set new volume
+ Volume := InputDevice.GetVolume() + VolumeChange;
+ InputDevice.SetVolume(Volume);
+ //DebugWriteln('Volume: ' + floattostr(InputDevice.GetVolume));
+
+ // volume must be polled again
+ NextVolumePollTime := 0;
+end;
+
+procedure TScreenOptionsRecord.onShow;
+var
+ ChannelIndex: integer;
+begin
+ inherited;
+
+ Interaction := 0;
+
+ // create preview sound-buffers
+ SetLength(PreviewChannel, MaxChannelCount);
+ for ChannelIndex := 0 to High(PreviewChannel) do
+ PreviewChannel[ChannelIndex] := TCaptureBuffer.Create();
+
+ SetLength(ChannelPeak, MaxChannelCount);
+
+ StartPreview();
+end;
+
+procedure TScreenOptionsRecord.onHide;
+var
+ ChannelIndex: integer;
+begin
+ StopPreview();
+
+ // free preview buffers
+ for ChannelIndex := 0 to High(PreviewChannel) do
+ PreviewChannel[ChannelIndex].Free;
+ SetLength(PreviewChannel, 0);
+ SetLength(ChannelPeak, 0);
+end;
+
+procedure TScreenOptionsRecord.StartPreview;
+var
+ ChannelIndex: integer;
+ Device: TAudioInputDevice;
+begin
+ if ((CurrentDeviceIndex >= 0) and
+ (CurrentDeviceIndex <= High(AudioInputProcessor.DeviceList))) then
+ begin
+ Device := AudioInputProcessor.DeviceList[CurrentDeviceIndex];
+ // set preview channel as active capture channel
+ for ChannelIndex := 0 to High(Device.CaptureChannel) do
+ begin
+ PreviewChannel[ChannelIndex].Clear();
+ Device.LinkCaptureBuffer(ChannelIndex, PreviewChannel[ChannelIndex]);
+ FillChar(ChannelPeak[ChannelIndex], SizeOf(TPeakInfo), 0);
+ end;
+ Device.Start();
+ PreviewDeviceIndex := CurrentDeviceIndex;
+
+ // volume must be polled again
+ NextVolumePollTime := 0;
+ end;
+end;
+
+procedure TScreenOptionsRecord.StopPreview;
+var
+ ChannelIndex: integer;
+ Device: TAudioInputDevice;
+begin
+ if ((PreviewDeviceIndex >= 0) and
+ (PreviewDeviceIndex <= High(AudioInputProcessor.DeviceList))) then
+ begin
+ Device := AudioInputProcessor.DeviceList[PreviewDeviceIndex];
+ Device.Stop;
+ for ChannelIndex := 0 to High(Device.CaptureChannel) do
+ Device.CaptureChannel[ChannelIndex] := nil;
+ end;
+ PreviewDeviceIndex := -1;
+end;
+
+
+procedure TScreenOptionsRecord.DrawVolume(x, y, Width, Height: single);
+var
+ x1, y1, x2, y2: single;
+ VolBarInnerWidth: integer;
+const
+ VolBarInnerHSpacing = 2;
+ VolBarInnerVSpacing = 1;
+begin
+ // coordinates for black rect
+ x1 := x;
+ y1 := y;
+ x2 := x1 + Width;
+ y2 := y1 + Height;
+
+ // draw black background-rect
+ glColor4f(0, 0, 0, 0.8);
+ glBegin(GL_QUADS);
+ glVertex2f(x1, y1);
+ glVertex2f(x2, y1);
+ glVertex2f(x2, y2);
+ glVertex2f(x1, y2);
+ glEnd();
+
+ VolBarInnerWidth := Trunc(Width - 2*VolBarInnerHSpacing);
+
+ // coordinates for first half of the volume bar
+ x1 := x + VolBarInnerHSpacing;
+ x2 := x1 + VolBarInnerWidth * SourceVolume;
+ y1 := y1 + VolBarInnerVSpacing;
+ y2 := y2 - VolBarInnerVSpacing;
+
+ // draw volume-bar
+ glBegin(GL_QUADS);
+ // draw volume bar
+ glColor3f(0.4, 0.3, 0.3);
+ glVertex2f(x1, y1);
+ glVertex2f(x1, y2);
+ glColor3f(1, 0.1, 0.1);
+ glVertex2f(x2, y2);
+ glVertex2f(x2, y1);
+ glEnd();
+
+ { not needed anymore
+ // coordinates for separator
+ x1 := x + VolBarInnerHSpacing;
+ x2 := x1 + VolBarInnerWidth;
+
+ // draw separator
+ glBegin(GL_LINE_STRIP);
+ glColor4f(0.1, 0.1, 0.1, 0.2);
+ glVertex2f(x1, y2);
+ glColor4f(0.4, 0.4, 0.4, 0.2);
+ glVertex2f((x1+x2)/2, y2);
+ glColor4f(0.1, 0.1, 0.1, 0.2);
+ glVertex2f(x2, y2);
+ glEnd();
+ }
+end;
+
+procedure TScreenOptionsRecord.DrawVUMeter(const State: TDrawState; x, y, Width, Height: single);
+var
+ x1, y1, x2, y2: single;
+ Volume, PeakVolume: single;
+ Delta: single;
+ VolBarInnerWidth: integer;
+const
+ VolBarInnerHSpacing = 2;
+ VolBarInnerVSpacing = 1;
+begin
+ // coordinates for black rect
+ x1 := x;
+ y1 := y;
+ x2 := x1 + Width;
+ y2 := y1 + Height;
+
+ // draw black background-rect
+ glColor4f(0, 0, 0, 0.8);
+ glBegin(GL_QUADS);
+ glVertex2f(x1, y1);
+ glVertex2f(x2, y1);
+ glVertex2f(x2, y2);
+ glVertex2f(x1, y2);
+ glEnd();
+
+ VolBarInnerWidth := Trunc(Width - 2*VolBarInnerHSpacing);
+
+ // vertical positions
+ y1 := y1 + VolBarInnerVSpacing;
+ y2 := y2 - VolBarInnerVSpacing;
+
+ // coordinates for bevel
+ x1 := x + VolBarInnerHSpacing;
+ x2 := x1 + VolBarInnerWidth;
+
+ glBegin(GL_QUADS);
+ Volume := PreviewChannel[State.ChannelIndex].MaxSampleVolume();
+
+ // coordinates for volume bar
+ x1 := x + VolBarInnerHSpacing;
+ x2 := x1 + VolBarInnerWidth * Volume;
+
+ // draw volume bar
+ glColor3f(State.RD, State.GD, State.BD);
+ glVertex2f(x1, y1);
+ glVertex2f(x1, y2);
+ glColor3f(State.R, State.G, State.B);
+ glVertex2f(x2, y2);
+ glVertex2f(x2, y1);
+
+ Delta := (SDL_GetTicks() - ChannelPeak[State.ChannelIndex].Time)/1000;
+ PeakVolume := ChannelPeak[State.ChannelIndex].Volume - Delta*Delta*PeakDecay;
+
+ // determine new peak-volume
+ if (Volume > PeakVolume) then
+ begin
+ PeakVolume := Volume;
+ ChannelPeak[State.ChannelIndex].Volume := Volume;
+ ChannelPeak[State.ChannelIndex].Time := SDL_GetTicks();
+ end;
+
+ x1 := x + VolBarInnerHSpacing + VolBarInnerWidth * PeakVolume;
+ x2 := x1 + 2;
+
+ // draw peak
+ glColor3f(0.8, 0.8, 0.8);
+ glVertex2f(x1, y1);
+ glVertex2f(x1, y2);
+ glVertex2f(x2, y2);
+ glVertex2f(x2, y1);
+
+ // draw threshold
+ x1 := x + VolBarInnerHSpacing;
+ x2 := x1 + VolBarInnerWidth * IThresholdVals[Ini.ThresholdIndex];
+
+ glColor4f(0.3, 0.3, 0.3, 0.6);
+ glVertex2f(x1, y1);
+ glVertex2f(x1, y2);
+ glVertex2f(x2, y2);
+ glVertex2f(x2, y1);
+ glEnd();
+end;
+
+procedure TScreenOptionsRecord.DrawPitch(const State: TDrawState; x, y, Width, Height: single);
+var
+ x1, y1, x2, y2: single;
+ i: integer;
+ ToneBoxWidth: real;
+const
+ PitchBarInnerHSpacing = 2;
+ PitchBarInnerVSpacing = 1;
+begin
+ // calc tone pitch
+ PreviewChannel[State.ChannelIndex].AnalyzeBuffer();
+
+ // coordinates for black rect
+ x1 := x;
+ y1 := y;
+ x2 := x + Width;
+ y2 := y + Height;
+
+ // draw black background-rect
+ glColor4f(0, 0, 0, 0.8);
+ glBegin(GL_QUADS);
+ glVertex2f(x1, y1);
+ glVertex2f(x2, y1);
+ glVertex2f(x2, y2);
+ glVertex2f(x1, y2);
+ glEnd();
+
+ // coordinates for tone boxes
+ ToneBoxWidth := Width / NumHalftones;
+ y1 := y1 + PitchBarInnerVSpacing;
+ y2 := y2 - PitchBarInnerVSpacing;
+
+ glBegin(GL_QUADS);
+ // draw tone boxes
+ for i := 0 to NumHalftones-1 do
+ begin
+ x1 := x + i * ToneBoxWidth + PitchBarInnerHSpacing;
+ x2 := x1 + ToneBoxWidth - 2*PitchBarInnerHSpacing;
+
+ if ((PreviewChannel[State.ChannelIndex].ToneValid) and
+ (PreviewChannel[State.ChannelIndex].ToneAbs = i)) then
+ begin
+ // highlight current tone-pitch
+ glColor3f(1, i / (NumHalftones-1), 0)
+ end
+ else
+ begin
+ // grey other tone-pitches
+ glColor3f(0.3, i / (NumHalftones-1) * 0.3, 0);
+ end;
+
+ glVertex2f(x1, y1);
+ glVertex2f(x2, y1);
+ glVertex2f(x2, y2);
+ glVertex2f(x1, y2);
+ end;
+ glEnd();
+
+ // update tone-pitch label
+ Text[TextPitchID[State.ChannelIndex]].Text :=
+ PreviewChannel[State.ChannelIndex].ToneString;
+end;
+
+function TScreenOptionsRecord.Draw: boolean;
+var
+ i: integer;
+ Device: TAudioInputDevice;
+ DeviceCfg: PInputDeviceConfig;
+ SelectSlide: TSelectSlide;
+ BarXOffset, BarYOffset, BarWidth: real;
+ ChannelIndex: integer;
+ State: TDrawState;
+begin
+ DrawBG;
+ DrawFG;
+
+ if ((PreviewDeviceIndex >= 0) and
+ (PreviewDeviceIndex <= High(AudioInputProcessor.DeviceList))) then
+ begin
+ Device := AudioInputProcessor.DeviceList[PreviewDeviceIndex];
+ DeviceCfg := @Ini.InputDeviceConfig[Device.CfgIndex];
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ // update source volume
+ if (SDL_GetTicks() >= NextVolumePollTime) then
+ begin
+ NextVolumePollTime := SDL_GetTicks() + 500; // next poll in 500ms
+ SourceVolume := Device.GetVolume();
+ end;
+
+ // get source select slide
+ SelectSlide := SelectsS[SelectInputSourceID];
+ BarXOffset := SelectSlide.TextureSBG.X;
+ BarYOffset := SelectSlide.TextureSBG.Y + SelectSlide.TextureSBG.H + BarUpperSpacing;
+ BarWidth := SelectSlide.TextureSBG.W;
+ DrawVolume(SelectSlide.TextureSBG.X, BarYOffset, BarWidth, BarHeight);
+
+ for ChannelIndex := 0 to High(Device.CaptureChannel) do
+ begin
+ // load player color mapped to current input channel
+ if (DeviceCfg.ChannelToPlayerMap[ChannelIndex] > 0) then
+ begin
+ // set mapped channel to corresponding player-color
+ LoadColor(State.R, State.G, State.B, 'P'+ IntToStr(DeviceCfg.ChannelToPlayerMap[ChannelIndex]) + 'Dark');
+ end
+ else
+ begin
+ // set non-mapped channel to white
+ State.R := 1; State.G := 1; State.B := 1;
+ end;
+
+ // dark player colors
+ State.RD := 0.2 * State.R;
+ State.GD := 0.2 * State.G;
+ State.BD := 0.2 * State.B;
+
+ // channel select slide
+ SelectSlide := SelectsS[SelectSlideChannelID[ChannelIndex]];
+
+ BarXOffset := SelectSlide.TextureSBG.X;
+ BarYOffset := SelectSlide.TextureSBG.Y + SelectSlide.TextureSBG.H + BarUpperSpacing;
+ BarWidth := SelectSlide.TextureSBG.W;
+
+ State.ChannelIndex := ChannelIndex;
+
+ DrawVUMeter(State, BarXOffset, BarYOffset, BarWidth, BarHeight);
+ DrawPitch(State, BarXOffset, BarYOffset+BarHeight, BarWidth, BarHeight);
+ end;
+
+ glDisable(GL_BLEND);
+ end;
+
+ Result := True;
+end;
+
+
+end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 21:11:24 +0000