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{############################################################################
# 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,
windows;
implementation
var
singleton_VideoProjectM : IVideoPlayback;
const
VisualWidth = 800; // 640
VisualHeight = 600; // 480
gx = 32;
gy = 24;
fps = 30;
texsize = 512;
type
TVideoPlayback_ProjectM = class( TInterfacedObject, IVideoPlayback )
pm : PProjectM;
VisualizerStarted ,
VisualizerPaused : Boolean;
VisualTex : glUint;
pcm_data : TPCM16;
hRC : Integer;
hDC : Integer;
procedure VisualizerStart;
procedure VisualizerStop;
procedure VisualizerTogglePause;
public
constructor create();
function GetName: String;
procedure init();
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); // WANT TO RENAME THESE TO BE MORE GENERIC
procedure DrawGL(Screen: integer); // WANT TO RENAME THESE TO BE MORE GENERIC
end;
constructor TVideoPlayback_ProjectM.create();
begin
end;
procedure TVideoPlayback_ProjectM.init();
begin
writeln( 'TVideoPlayback_ProjectM - INITIALIZE !!!!!!!!' );
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
end;
function TVideoPlayback_ProjectM.getPosition: real;
begin
result := 0;
end;
procedure TVideoPlayback_ProjectM.VisualizerStart;
begin
//exit;
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('Visuals\fonts');
pm^.presetURL := PChar('Visuals\presets');
glPushAttrib(GL_ALL_ATTRIB_BITS);
projectM_init(pm);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glMatrixMode(GL_TEXTURE);
glPushMatrix();
projectM_resetGL(pm, VisualWidth, VisualHeight);
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
if VisualizerPaused then VisualizerPaused:=False
else VisualizerPaused:=True;
end;
procedure TVideoPlayback_ProjectM.GetFrame(Time: Extended);
var
i: integer;
begin
// exit;
if not VisualizerStarted then Exit;
if VisualizerPaused then Exit;
Randomize();
for i := 0 to 511 do
begin
pcm_data[0][i] := RandomRange(High(Smallint), Low(Smallint));
pcm_data[1][i] := pcm_data[0][i];
end;
addPCM16(pcm_data);
glPushAttrib(GL_ALL_ATTRIB_BITS);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glMatrixMode(GL_TEXTURE);
glPushMatrix();
renderFrame(pm);
glFlush();
{
glBindTexture(GL_TEXTURE_2D, VisualTex);
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, VisualWidth, VisualHeight, 0);
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_TEXTURE);
glPopMatrix();
glPopAttrib();
glClear(GL_DEPTH_BUFFER_BIT);
{
glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
glEnable(GL_TEXTURE_2D);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glBindTexture(GL_TEXTURE_2D, VisualTex);
glBegin(GL_QUADS);
glTexCoord2f(0, 0); glVertex2f(-1, -1);
glTexCoord2f(1, 0); glVertex2f( 1, -1);
glTexCoord2f(1, 1); glVertex2f( 1, 1);
glTexCoord2f(0, 1); glVertex2f(-1, 1);
glEnd();
glDisable(GL_TEXTURE_2D);
}
end;
procedure TVideoPlayback_ProjectM.DrawGL(Screen: integer);
begin
exit;
// 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;
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glColor4f(1, 1, 1, 1);
glBindTexture(GL_TEXTURE_2D, VisualTex);
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);
end;
initialization
singleton_VideoProjectM := TVideoPlayback_ProjectM.create();
writeln( 'UVideoProjectM - Register Playback' );
AudioManager.add( singleton_VideoProjectM );
finalization
AudioManager.Remove( singleton_VideoProjectM );
end.
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