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Diffstat (limited to 'src/screens/UScreenOptionsRecord.pas')
| -rw-r--r-- | src/screens/UScreenOptionsRecord.pas | 836 |
1 files changed, 836 insertions, 0 deletions
diff --git a/src/screens/UScreenOptionsRecord.pas b/src/screens/UScreenOptionsRecord.pas new file mode 100644 index 00000000..7af598e5 --- /dev/null +++ b/src/screens/UScreenOptionsRecord.pas @@ -0,0 +1,836 @@ +{* 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 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 UTF8String; + InputDeviceNames: array of UTF8String; + + // dynamic generated themes for channel select-sliders + SelectSlideChannelTheme: array of TThemeSelectSlide; + + // indices for widget-updates + SelectInputSourceID: integer; + SelectSlideChannelID: 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; + function ValidateSettings: boolean; + 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: UCS4Char; 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, + TextGL, + UGraphic, + UDraw, + ULanguage, + UMain, + UMenuSelectSlide, + UMenuText, + UFiles, + UDisplay, + UIni, + UUnicodeUtils, + ULog; + +function TScreenOptionsRecord.ParseInput(PressedKey: cardinal; CharCode: UCS4Char; PressedDown: boolean): boolean; +begin + Result := true; + if (PressedDown) then + begin // Key Down + // check normal keys + case UCS4UpperCase(CharCode) of + Ord('Q'): + begin + Result := false; + Exit; + end; + Ord('+'): + 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; + Ord('-'): + 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; + Ord('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 + // TODO: Show Save/Abort screen + if (ValidateSettings()) then + begin + Ini.Save; + AudioPlayback.PlaySound(SoundLib.Back); + FadeTo(@ScreenOptions); + end; + end; + SDLK_RETURN: + begin + if (SelInteraction = ExitButtonIID) then + begin + if (ValidateSettings()) then + begin + Ini.Save; + AudioPlayback.PlaySound(SoundLib.Back); + FadeTo(@ScreenOptions); + end; + 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; + +function TScreenOptionsRecord.ValidateSettings: boolean; +var + BadPlayer: integer; +begin + BadPlayer := AudioInputProcessor.ValidateSettings(); + if (BadPlayer <> 0) then + begin + ScreenPopupError.ShowPopup( + Format(Language.Translate('ERROR_PLAYER_DEVICE_ASSIGNMENT'), + [BadPlayer])); + Result := false; + end + else + begin + Result := true; + 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) + Theme.OptionsRecord.SelectSlideCard.showArrows := true; + Theme.OptionsRecord.SelectSlideCard.oneItemOnly := true; + 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; + + Theme.OptionsRecord.SelectSlideInput.showArrows := true; + Theme.OptionsRecord.SelectSlideInput.oneItemOnly := true; + // 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); + + 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); + + // 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], IChannelPlayerTranslated); + 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, IChannelPlayerTranslated); + SelectsS[SelectSlideChannelID[ChannelIndex]].Visible := false; + end; + end; + end; + + // add Exit-button + AddButton(Theme.OptionsRecord.ButtonExit); + if (Length(Button[0].Text) = 0) then + AddButtonText(20, 5, 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], IChannelPlayerTranslated, + InputDeviceCfg.ChannelToPlayerMap[ChannelIndex]); + SelectsS[SelectSlideChannelID[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], IChannelPlayerTranslated, + ChannelToPlayerMapDummy); + SelectsS[SelectSlideChannelID[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; + + // BgMusic distracts too much, pause it + SoundLib.PauseBgMusic; + + Interaction := 0; + + // create preview sound-buffers + SetLength(PreviewChannel, MaxChannelCount); + for ChannelIndex := 0 to High(PreviewChannel) do + PreviewChannel[ChannelIndex] := TCaptureBuffer.Create(); + + SetLength(ChannelPeak, MaxChannelCount); + + UpdateInputDevice(); +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.LinkCaptureBuffer(ChannelIndex, nil); + end; + PreviewDeviceIndex := -1; +end; + +procedure TScreenOptionsRecord.DrawVolume(x, y, Width, Height: single); +var + x1, y1, x2, y2: single; + VolBarInnerWidth: integer; + Volume: single; +const + VolBarInnerHSpacing = 2; + VolBarInnerVSpacing = 1; +begin + // coordinates for black rect + x1 := x; + y1 := y; + x2 := x1 + Width; + y2 := y1 + Height; + + // init blend mode + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + + // 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); + + // TODO: if no volume is available, show some info (a blue bar maybe) + if (SourceVolume >= 0) then + Volume := SourceVolume + else + Volume := 0; + + // coordinates for first half of the volume bar + x1 := x + VolBarInnerHSpacing; + x2 := x1 + VolBarInnerWidth * Volume; + 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(); + } + + glDisable(GL_BLEND); +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; + + // init blend mode + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + + // 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(); + + glDisable(GL_BLEND); +end; + +procedure TScreenOptionsRecord.DrawPitch(const State: TDrawState; x, y, Width, Height: single); +var + x1, y1, x2, y2: single; + i: integer; + ToneBoxWidth: real; + ToneString: string; + ToneStringWidth, ToneStringHeight: real; + ToneStringMaxWidth: real; + ToneStringCenterXOffset: 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; + + // init blend mode + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + + // 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(); + + glDisable(GL_BLEND); + + /// + // draw the name of the tone + /////// + + ToneString := PreviewChannel[State.ChannelIndex].ToneString; + ToneStringHeight := ChannelBarsTotalHeight; + + // initialize font + // TODO: what about reflection, italic etc.? + SetFontSize(ToneStringHeight); + + // center + // Note: for centering let us assume that G#4 has the max. horizontal extent + ToneStringWidth := glTextWidth(ToneString); + ToneStringMaxWidth := glTextWidth('G#4'); + ToneStringCenterXOffset := (ToneStringMaxWidth-ToneStringWidth) / 2; + + // draw + SetFontPos(x-ToneStringWidth-ToneStringCenterXOffset, y-ToneStringHeight/2); + glColor3f(0, 0, 0); + glPrint(ToneString); +end; + +function TScreenOptionsRecord.Draw: boolean; +var + 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]; + + // 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] <> CHANNEL_OFF) 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; + end; + + Result := true; +end; + +end. |