diff options
Diffstat (limited to '')
-rw-r--r-- | Game/Code/Classes/UVisualizer.pas | 761 |
1 files changed, 378 insertions, 383 deletions
diff --git a/Game/Code/Classes/UVisualizer.pas b/Game/Code/Classes/UVisualizer.pas index 6548e2b7..5fc4bb82 100644 --- a/Game/Code/Classes/UVisualizer.pas +++ b/Game/Code/Classes/UVisualizer.pas @@ -1,383 +1,378 @@ -{############################################################################ -# Visualizer support for UltraStar deluxe # -# # -# Created by hennymcc # -# Slight modifications by Jay Binks # -# based on UVideo.pas # -#############################################################################} - -unit UVisualizer; - -interface - -{$IFDEF FPC} - {$MODE DELPHI} -{$ENDIF} - -uses SDL, - UGraphicClasses, - textgl, - math, - OpenGL12, - SysUtils, - UIni, - {$ifdef DebugDisplay} - dialogs, - {$ENDIF} - projectM, - UMusic; - -implementation - -uses - UGraphic; - -var - singleton_VideoProjectM : IVideoPlayback; - -const - gx = 32; - gy = 24; - fps = 30; - texsize = 512; - visuals_Dir = 'Visuals'; // TODO: move this to a place common for all visualizers - projectM_Dir = visuals_Dir+'/projectM'; - -type - TVideoPlayback_ProjectM = class( TInterfacedObject, IVideoPlayback, IVideoVisualization ) - - pm : PProjectM; - - VisualizerStarted , - VisualizerPaused : Boolean; - - VisualTex : glUint; - PCMData : TPCMData; - hRC : Integer; - hDC : Integer; - - RndPCMcount : integer; - - procedure VisualizerStart; - procedure VisualizerStop; - - procedure VisualizerTogglePause; - - function GetRandomPCMData(var data: TPCMData): Cardinal; - public - constructor create(); - procedure init(); - function GetName: String; - - function Open( aFileName : string): boolean; // true if succeed - procedure Close; - - procedure Play; - procedure Pause; - procedure Stop; - - procedure MoveTo(Time: real); - function getPosition: real; - - procedure GetFrame(Time: Extended); - procedure DrawGL(Screen: integer); - end; - - -constructor TVideoPlayback_ProjectM.create(); -begin - RndPCMcount := 0; -end; - - -procedure TVideoPlayback_ProjectM.init(); -begin - VisualizerStarted := False; - VisualizerPaused := False; - - glGenTextures(1, PglUint(@VisualTex)); - glBindTexture(GL_TEXTURE_2D, VisualTex); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); -end; - -function TVideoPlayback_ProjectM.GetName: String; -begin - result := 'ProjectM'; -end; - - -function TVideoPlayback_ProjectM.Open( aFileName : string): boolean; // true if succeed -begin - VisualizerStart(); - result := true; -end; - -procedure TVideoPlayback_ProjectM.Close; -begin -end; - -procedure TVideoPlayback_ProjectM.Play; -begin - VisualizerStart(); -end; - -procedure TVideoPlayback_ProjectM.Pause; -begin - VisualizerTogglePause(); -end; - -procedure TVideoPlayback_ProjectM.Stop; -begin - VisualizerStop(); -end; - -procedure TVideoPlayback_ProjectM.MoveTo(Time: real); -begin - // this code MAY be able to be cut down... but Im not 100% sure.. - // in here, we cant realy move to a specific time, since its all random generated - // but a call to this function will change the preset, which changes the pattern - projectM_reset(pm); - - pm^.fullscreen := 0; - pm^.renderTarget^.texsize := texsize; - pm^.gx := gx; - pm^.gy := gy; - pm^.fps := fps; - pm^.renderTarget^.usePbuffers := 0; - - pm^.fontURL := PChar(projectM_Dir+'/fonts'); - pm^.presetURL := PChar(projectM_Dir+'/presets'); - - glPushAttrib(GL_ALL_ATTRIB_BITS); - projectM_init(pm); - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glMatrixMode(GL_TEXTURE); - glPushMatrix(); - - projectM_resetGL(pm, ScreenW, ScreenH); - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - glMatrixMode(GL_TEXTURE); - glPopMatrix(); - glPopAttrib(); - -end; - -function TVideoPlayback_ProjectM.getPosition: real; -begin - result := 0; -end; - -procedure TVideoPlayback_ProjectM.VisualizerStart; -begin - VisualizerStarted := True; - - New(pm); - projectM_reset(pm); - - pm^.fullscreen := 0; - pm^.renderTarget^.texsize := texsize; - pm^.gx := gx; - pm^.gy := gy; - pm^.fps := fps; - pm^.renderTarget^.usePbuffers := 0; - - pm^.fontURL := PChar(projectM_Dir+'/fonts'); - pm^.presetURL := PChar(projectM_Dir+'/presets'); - - glPushAttrib(GL_ALL_ATTRIB_BITS); - projectM_init(pm); - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glMatrixMode(GL_TEXTURE); - glPushMatrix(); - - projectM_resetGL(pm, ScreenW, ScreenH); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - glMatrixMode(GL_TEXTURE); - glPopMatrix(); - glPopAttrib(); -end; - -procedure TVideoPlayback_ProjectM.VisualizerStop; -begin - if VisualizerStarted then begin - VisualizerStarted := False; - Dispose(pm); - end; -end; - -procedure TVideoPlayback_ProjectM.VisualizerTogglePause; -begin - VisualizerPaused := not VisualizerPaused; -end; - -procedure TVideoPlayback_ProjectM.GetFrame(Time: Extended); -var - i: integer; - nSamples: cardinal; -begin - if not VisualizerStarted then Exit; - if VisualizerPaused then Exit; - - // get audio data - nSamples := AudioPlayback.GetPCMData(PcmData); - - if nSamples = 0 then - nSamples := GetRandomPCMData(PcmData); - - addPCM16Data(PPCM16Data(@PcmData), nSamples); - - // store OpenGL state (might be messed up otherwise) - glPushAttrib(GL_ALL_ATTRIB_BITS); - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glMatrixMode(GL_TEXTURE); - glPushMatrix(); - - // let projectM render a frame - try - renderFrame(pm); - except - // This happens with some presets... ( and only some times also .. moreso on linux ) - // if we have an "Invalid Floating Point Error" while rendering a frame... then change preset. - MoveTo( now ); - - // hmm have to be careful, that we dont get to many here... coz it could keep failing.. and trying again. - end; - glFlush(); - - {$IFDEF UseTexture} - glBindTexture(GL_TEXTURE_2D, VisualTex); - glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, VisualWidth, VisualHeight, 0); - {$ENDIF} - - // restore USDX OpenGL state - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - glMatrixMode(GL_TEXTURE); - glPopMatrix(); - glPopAttrib(); - - // discard projectM's depth buffer information (avoid overlay) - glClear(GL_DEPTH_BUFFER_BIT); -end; - -procedure TVideoPlayback_ProjectM.DrawGL(Screen: integer); -begin - {$IFDEF UseTexture} - // have a nice black background to draw on (even if there were errors opening the vid) - if Screen=1 then begin - glClearColor(0, 0, 0, 0); - glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); - end; - // exit if there's nothing to draw - if not VisualizerStarted then Exit; - - // setup display - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadIdentity(); - gluOrtho2D(0, 1, 0, 1); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); - - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); - glBindTexture(GL_TEXTURE_2D, VisualTex); - glColor4f(1, 1, 1, 1); - - // draw projectM frame - glBegin(GL_QUADS); - glTexCoord2f(0, 0); glVertex2f(0, 0); - glTexCoord2f(1, 0); glVertex2f(1, 0); - glTexCoord2f(1, 1); glVertex2f(1, 1); - glTexCoord2f(0, 1); glVertex2f(0, 1); - glEnd(); - - { - glbegin(GL_QUADS); - glTexCoord2f(0, 0); - glVertex2f(400-VisualWidth/2, 300-VisualHeight/2); - glTexCoord2f(0, 1); - glVertex2f(400-VisualWidth/2, 300+VisualHeight/2); - glTexCoord2f(1, 1); - glVertex2f(400+VisualWidth/2, 300+VisualHeight/2); - glTexCoord2f(1, 0); - glVertex2f(400+VisualWidth/2, 300-VisualHeight/2); - glEnd; - } - - glDisable(GL_TEXTURE_2D); - glDisable(GL_BLEND); - - // restore state - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - {$ENDIF} -end; - -function TVideoPlayback_ProjectM.GetRandomPCMData(var data: TPCMData): Cardinal; -var - i: integer; -begin - // Produce some fake PCM data - if ( RndPCMcount mod 500 = 0 ) then - begin - for i := 0 to 511 do begin - data[0][i] := 0; - data[1][i] := 0; - end; - end - else begin - for i := 0 to 511 do begin - if ( i mod 2 = 0 ) then begin - data[0][i] := floor(Random * power(2.,14)); - data[1][i] := floor(Random * power(2.,14)); - end - else begin; - data[0][i] := floor(Random * power(2.,14)); - data[1][i] := floor(Random * power(2.,14)); - end; - if ( i mod 2 = 1 ) then begin - data[0][i] := -data[0][i]; - data[1][i] := -data[1][i]; - end; - end; - end; - Inc( RndPCMcount ); - result := 512; -end; - - -initialization - singleton_VideoProjectM := TVideoPlayback_ProjectM.create(); - AudioManager.add( singleton_VideoProjectM ); - -finalization - AudioManager.Remove( singleton_VideoProjectM ); - - - -end. +{############################################################################
+# Visualizer support for UltraStar deluxe #
+# #
+# Created by hennymcc #
+# Slight modifications by Jay Binks #
+# based on UVideo.pas #
+#############################################################################}
+
+unit UVisualizer;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE DELPHI}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+ SDL,
+ UGraphicClasses,
+ textgl,
+ math,
+ OpenGL12,
+ SysUtils,
+ UIni,
+ {$ifdef DebugDisplay}
+ {$ifdef win32}
+ dialogs,
+ {$endif}
+ {$endif}
+ projectM,
+ UMusic;
+
+implementation
+
+uses
+ UGraphic,
+ ULog;
+
+var
+ singleton_VideoProjectM : IVideoPlayback;
+
+const
+ gx = 32;
+ gy = 24;
+ fps = 30;
+ texsize = 512;
+ visualsDir = 'Visuals'; // TODO: move this to a place common for all visualizers
+ projectMDir = visualsDir+'/projectM';
+ presetsDir = projectMDir+'/presets';
+ fontsDir = projectMDir+'/fonts';
+
+type
+ TVideoPlayback_ProjectM = class( TInterfacedObject, IVideoPlayback, IVideoVisualization )
+ private
+ pm : TProjectM;
+
+ VisualizerStarted ,
+ VisualizerPaused : Boolean;
+
+ VisualTex : glUint;
+ PCMData : TPCMData;
+ hRC : Integer;
+ hDC : Integer;
+
+ RndPCMcount : integer;
+
+ projMatrix: array[0..3, 0..3] of GLdouble;
+ texMatrix: array[0..3, 0..3] of GLdouble;
+
+ procedure VisualizerStart;
+ procedure VisualizerStop;
+
+ procedure VisualizerTogglePause;
+
+ function GetRandomPCMData(var data: TPCMData): Cardinal;
+
+ procedure SaveOpenGLState();
+ procedure RestoreOpenGLState();
+
+ public
+ constructor create();
+ procedure init();
+ function GetName: String;
+
+ function Open( aFileName : string): boolean; // true if succeed
+ procedure Close;
+
+ procedure Play;
+ procedure Pause;
+ procedure Stop;
+
+ procedure MoveTo(Time: real);
+ function getPosition: real;
+
+ procedure GetFrame(Time: Extended);
+ procedure DrawGL(Screen: integer);
+ end;
+
+
+constructor TVideoPlayback_ProjectM.create();
+begin
+ RndPCMcount := 0;
+end;
+
+
+procedure TVideoPlayback_ProjectM.init();
+begin
+ VisualizerStarted := False;
+ VisualizerPaused := False;
+
+ {$IFDEF UseTexture}
+ glGenTextures(1, PglUint(@VisualTex));
+ glBindTexture(GL_TEXTURE_2D, VisualTex);
+
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ {$ENDIF}
+end;
+
+function TVideoPlayback_ProjectM.GetName: String;
+begin
+ result := 'ProjectM';
+end;
+
+
+function TVideoPlayback_ProjectM.Open( aFileName : string): boolean; // true if succeed
+begin
+ VisualizerStart();
+ result := true;
+end;
+
+procedure TVideoPlayback_ProjectM.Close;
+begin
+end;
+
+procedure TVideoPlayback_ProjectM.Play;
+begin
+ VisualizerStart();
+end;
+
+procedure TVideoPlayback_ProjectM.Pause;
+begin
+ VisualizerTogglePause();
+end;
+
+procedure TVideoPlayback_ProjectM.Stop;
+begin
+ VisualizerStop();
+end;
+
+procedure TVideoPlayback_ProjectM.MoveTo(Time: real);
+begin
+ pm.RandomPreset();
+end;
+
+function TVideoPlayback_ProjectM.getPosition: real;
+begin
+ result := 0;
+end;
+
+procedure TVideoPlayback_ProjectM.SaveOpenGLState();
+begin
+ // save all OpenGL state-machine attributes
+ glPushAttrib(GL_ALL_ATTRIB_BITS);
+
+ // save projection-matrix
+ glMatrixMode(GL_PROJECTION);
+ // - WARNING: projection-matrix stack-depth is only 2!
+ // -> overflow might occur if glPopMatrix() is used for this matrix
+ // -> use glGet() instead of glPushMatrix()
+ glPushMatrix();
+ //glGetDoublev(GL_PROJECTION_MATRIX, @projMatrix);
+
+ // save texture-matrix
+ glMatrixMode(GL_TEXTURE);
+ // - WARNING: texture-matrix stack-depth is only 2!
+ // -> overflow might occur if glPopMatrix() is used for this matrix
+ // -> use glGet() instead of glPushMatrix() if problems appear
+ glPushMatrix();
+ //glGetDoublev(GL_TEXTURE_MATRIX, @texMatrix);
+
+ // save modelview-matrix
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+end;
+
+procedure TVideoPlayback_ProjectM.RestoreOpenGLState();
+begin
+ // restore projection-matrix
+ glMatrixMode(GL_PROJECTION);
+ // - WARNING: projection-matrix stack-depth is only 2!
+ // -> overflow _occurs_ if glPopMatrix() is used for this matrix
+ // -> use glLoadMatrix() instead of glPopMatrix()
+ glPopMatrix();
+ //glLoadMatrixd(@projMatrix);
+
+ // restore texture-matrix
+ // -> overflow might occur if glPopMatrix() is used for this matrix
+ glMatrixMode(GL_TEXTURE);
+ glPopMatrix();
+ //glLoadMatrixd(@texMatrix);
+
+ // restore modelview-matrix
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+
+ // restore all OpenGL state-machine attributes
+ glPopAttrib();
+end;
+
+procedure TVideoPlayback_ProjectM.VisualizerStart;
+var
+ initResult: Cardinal;
+begin
+ VisualizerStarted := True;
+
+ pm := TProjectM.Create(gx, gy, fps, texsize, ScreenW, ScreenH,
+ presetsDir, fontsDir);
+ //initResult := projectM_initRenderToTexture(pm);
+
+ SaveOpenGLState();
+ pm.ResetGL(ScreenW, ScreenH);
+ RestoreOpenGLState();
+end;
+
+procedure TVideoPlayback_ProjectM.VisualizerStop;
+begin
+ if VisualizerStarted then begin
+ VisualizerStarted := False;
+ pm.Free();
+ end;
+end;
+
+procedure TVideoPlayback_ProjectM.VisualizerTogglePause;
+begin
+ VisualizerPaused := not VisualizerPaused;
+end;
+
+procedure TVideoPlayback_ProjectM.GetFrame(Time: Extended);
+var
+ i: integer;
+ nSamples: cardinal;
+ stackDepth: Integer;
+begin
+ if not VisualizerStarted then Exit;
+ if VisualizerPaused then Exit;
+
+ // get audio data
+ nSamples := AudioPlayback.GetPCMData(PcmData);
+
+ if nSamples = 0 then
+ nSamples := GetRandomPCMData(PcmData);
+
+ pm.AddPCM16Data(PSmallint(@PcmData), nSamples);
+
+ // store OpenGL state (might be messed up otherwise)
+ SaveOpenGLState();
+ pm.ResetGL(ScreenW, ScreenH);
+
+ //glGetIntegerv(GL_PROJECTION_STACK_DEPTH, @stackDepth);
+ //writeln('StackDepth0: ' + inttostr(stackDepth));
+
+ // let projectM render a frame
+ try
+ pm.RenderFrame();
+ except
+ // this may happen with some presets ( on linux ) if there is a div by zero
+ // in projectM's getBeatVals() function (file: beat_detect.cc)
+ Log.LogStatus('Div by zero!', 'Visualizer');
+ MoveTo( now );
+ end;
+
+ //glGetIntegerv(GL_PROJECTION_STACK_DEPTH, @stackDepth);
+ //writeln('StackDepth1: ' + inttostr(stackDepth));
+
+ {$IFDEF UseTexture}
+ glBindTexture(GL_TEXTURE_2D, VisualTex);
+ glFlush();
+ glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, VisualWidth, VisualHeight, 0);
+ {$ENDIF}
+
+ // restore USDX OpenGL state
+ RestoreOpenGLState();
+
+ // discard projectM's depth buffer information (avoid overlay)
+ glClear(GL_DEPTH_BUFFER_BIT);
+end;
+
+procedure TVideoPlayback_ProjectM.DrawGL(Screen: integer);
+begin
+ {$IFDEF UseTexture}
+ // have a nice black background to draw on (even if there were errors opening the vid)
+ if Screen=1 then begin
+ glClearColor(0, 0, 0, 0);
+ glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
+ end;
+ // exit if there's nothing to draw
+ if not VisualizerStarted then Exit;
+
+ // setup display
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ gluOrtho2D(0, 1, 0, 1);
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glEnable(GL_BLEND);
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glBindTexture(GL_TEXTURE_2D, VisualTex);
+ glColor4f(1, 1, 1, 1);
+
+ // draw projectM frame
+ glBegin(GL_QUADS);
+ glTexCoord2f(0, 0); glVertex2f(0, 0);
+ glTexCoord2f(1, 0); glVertex2f(1, 0);
+ glTexCoord2f(1, 1); glVertex2f(1, 1);
+ glTexCoord2f(0, 1); glVertex2f(0, 1);
+ glEnd();
+
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_BLEND);
+
+ // restore state
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+ {$ENDIF}
+end;
+
+function TVideoPlayback_ProjectM.GetRandomPCMData(var data: TPCMData): Cardinal;
+var
+ i: integer;
+begin
+ // Produce some fake PCM data
+ if ( RndPCMcount mod 500 = 0 ) then
+ begin
+ for i := 0 to 511 do begin
+ data[0][i] := 0;
+ data[1][i] := 0;
+ end;
+ end
+ else begin
+ for i := 0 to 511 do begin
+ if ( i mod 2 = 0 ) then begin
+ data[0][i] := floor(Random * power(2.,14));
+ data[1][i] := floor(Random * power(2.,14));
+ end
+ else begin;
+ data[0][i] := floor(Random * power(2.,14));
+ data[1][i] := floor(Random * power(2.,14));
+ end;
+ if ( i mod 2 = 1 ) then begin
+ data[0][i] := -data[0][i];
+ data[1][i] := -data[1][i];
+ end;
+ end;
+ end;
+ Inc( RndPCMcount );
+ result := 512;
+end;
+
+
+initialization
+ singleton_VideoProjectM := TVideoPlayback_ProjectM.create();
+ AudioManager.add( singleton_VideoProjectM );
+
+finalization
+ AudioManager.Remove( singleton_VideoProjectM );
+
+
+
+end.
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