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https://github.com/nillerusr/source-engine.git
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426 lines
12 KiB
C++
426 lines
12 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: VGUI panel which can play back video, in-engine
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//
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//=============================================================================
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#include "cbase.h"
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#include <vgui/IVGui.h>
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#include "vgui/IInput.h"
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#include <vgui/ISurface.h>
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#include "ienginevgui.h"
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#include "iclientmode.h"
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#include "vgui_video.h"
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#include "engine/IEngineSound.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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VideoPanel::VideoPanel( unsigned int nXPos, unsigned int nYPos, unsigned int nHeight, unsigned int nWidth, bool allowAlternateMedia ) :
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BaseClass( NULL, "VideoPanel" ),
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m_VideoMaterial( NULL ),
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m_nPlaybackWidth( 0 ),
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m_nPlaybackHeight( 0 ),
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m_bAllowAlternateMedia( allowAlternateMedia )
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{
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vgui::VPANEL pParent = enginevgui->GetPanel( PANEL_GAMEUIDLL );
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SetParent( pParent );
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SetVisible( false );
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// Must be passed in, off by default
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m_szExitCommand[0] = '\0';
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m_bBlackBackground = true;
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SetKeyBoardInputEnabled( true );
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SetMouseInputEnabled( false );
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SetProportional( false );
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SetVisible( true );
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SetPaintBackgroundEnabled( false );
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SetPaintBorderEnabled( false );
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// Set us up
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SetTall( nHeight );
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SetWide( nWidth );
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SetPos( nXPos, nYPos );
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SetScheme(vgui::scheme()->LoadSchemeFromFile( "resource/VideoPanelScheme.res", "VideoPanelScheme"));
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LoadControlSettings("resource/UI/VideoPanel.res");
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}
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//-----------------------------------------------------------------------------
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// Properly shutdown out materials
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//-----------------------------------------------------------------------------
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VideoPanel::~VideoPanel( void )
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{
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SetParent( (vgui::Panel *) NULL );
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// Shut down this video, destroy the video material
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if ( g_pVideo != NULL && m_VideoMaterial != NULL )
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{
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g_pVideo->DestroyVideoMaterial( m_VideoMaterial );
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m_VideoMaterial = NULL;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Begins playback of a movie
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool VideoPanel::BeginPlayback( const char *pFilename )
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{
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// Who the heck hacked this in?
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#ifdef _X360
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XVIDEO_MODE videoMode;
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XGetVideoMode( &videoMode );
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// for 50Hz PAL, load a 25Hz version of the ep1_recap movie.
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if( ( videoMode.RefreshRate < 59.0f ) && ( Q_stricmp( pFilename, "media/ep1_recap.bik" ) == 0 ) )
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{
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pFilename = "media/ep1_recap_25fps.bik";
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}
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#endif
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// need working video services
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if ( g_pVideo == NULL )
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return false;
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// Create a new video material
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if ( m_VideoMaterial != NULL )
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{
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g_pVideo->DestroyVideoMaterial( m_VideoMaterial );
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m_VideoMaterial = NULL;
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}
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m_VideoMaterial = g_pVideo->CreateVideoMaterial( "VideoMaterial", pFilename, "GAME",
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VideoPlaybackFlags::DEFAULT_MATERIAL_OPTIONS,
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VideoSystem::DETERMINE_FROM_FILE_EXTENSION, m_bAllowAlternateMedia );
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if ( m_VideoMaterial == NULL )
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return false;
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// We want to be the sole audio source
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// FIXME: This may not always be true!
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enginesound->NotifyBeginMoviePlayback();
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int nWidth, nHeight;
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m_VideoMaterial->GetVideoImageSize( &nWidth, &nHeight );
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m_VideoMaterial->GetVideoTexCoordRange( &m_flU, &m_flV );
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m_pMaterial = m_VideoMaterial->GetMaterial();
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float flFrameRatio = ( (float) GetWide() / (float) GetTall() );
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float flVideoRatio = ( (float) nWidth / (float) nHeight );
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if ( flVideoRatio > flFrameRatio )
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{
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m_nPlaybackWidth = GetWide();
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m_nPlaybackHeight = ( GetWide() / flVideoRatio );
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}
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else if ( flVideoRatio < flFrameRatio )
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{
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m_nPlaybackWidth = ( GetTall() * flVideoRatio );
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m_nPlaybackHeight = GetTall();
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}
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else
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{
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m_nPlaybackWidth = GetWide();
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m_nPlaybackHeight = GetTall();
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void VideoPanel::Activate( void )
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{
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MoveToFront();
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RequestFocus();
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SetVisible( true );
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SetEnabled( true );
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vgui::surface()->SetMinimized( GetVPanel(), false );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void VideoPanel::DoModal( void )
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{
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MakePopup();
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Activate();
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vgui::input()->SetAppModalSurface( GetVPanel() );
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vgui::surface()->RestrictPaintToSinglePanel( GetVPanel() );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void VideoPanel::OnKeyCodeTyped( vgui::KeyCode code )
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{
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if ( code == KEY_ESCAPE )
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{
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OnClose();
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}
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else
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{
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BaseClass::OnKeyCodeTyped( code );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handle keys that should cause us to close
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//-----------------------------------------------------------------------------
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void VideoPanel::OnKeyCodePressed( vgui::KeyCode code )
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{
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// These keys cause the panel to shutdown
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if ( code == KEY_ESCAPE ||
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code == KEY_BACKQUOTE ||
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code == KEY_SPACE ||
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code == KEY_ENTER ||
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code == KEY_XBUTTON_A ||
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code == KEY_XBUTTON_B ||
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code == KEY_XBUTTON_X ||
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code == KEY_XBUTTON_Y ||
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code == KEY_XBUTTON_START ||
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code == KEY_XBUTTON_BACK ||
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code == STEAMCONTROLLER_A ||
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code == STEAMCONTROLLER_B )
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{
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OnClose();
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}
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else
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{
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BaseClass::OnKeyCodePressed( code );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void VideoPanel::OnClose( void )
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{
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enginesound->NotifyEndMoviePlayback();
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BaseClass::OnClose();
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if ( vgui::input()->GetAppModalSurface() == GetVPanel() )
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{
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vgui::input()->ReleaseAppModalSurface();
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}
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vgui::surface()->RestrictPaintToSinglePanel( NULL );
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// Fire an exit command if we're asked to do so
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if ( m_szExitCommand[0] )
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{
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engine->ClientCmd( m_szExitCommand );
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}
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SetVisible( false );
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MarkForDeletion();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void VideoPanel::GetPanelPos( int &xpos, int &ypos )
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{
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xpos = ( (float) ( GetWide() - m_nPlaybackWidth ) / 2 );
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ypos = ( (float) ( GetTall() - m_nPlaybackHeight ) / 2 );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Update and draw the frame
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//-----------------------------------------------------------------------------
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void VideoPanel::Paint( void )
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{
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BaseClass::Paint();
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if ( m_VideoMaterial == NULL )
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return;
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if ( m_VideoMaterial->Update() == false )
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{
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// Issue a close command
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OnVideoOver();
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OnClose();
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}
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// Sit in the "center"
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int xpos, ypos;
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GetPanelPos( xpos, ypos );
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// Black out the background (we could omit drawing under the video surface, but this is straight-forward)
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if ( m_bBlackBackground )
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{
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vgui::surface()->DrawSetColor( 0, 0, 0, 255 );
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vgui::surface()->DrawFilledRect( 0, 0, GetWide(), GetTall() );
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}
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// Draw the polys to draw this out
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CMatRenderContextPtr pRenderContext( materials );
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pRenderContext->MatrixMode( MATERIAL_VIEW );
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pRenderContext->PushMatrix();
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pRenderContext->LoadIdentity();
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pRenderContext->MatrixMode( MATERIAL_PROJECTION );
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pRenderContext->PushMatrix();
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pRenderContext->LoadIdentity();
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pRenderContext->Bind( m_pMaterial, NULL );
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CMeshBuilder meshBuilder;
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IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
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meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
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float flLeftX = xpos;
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float flRightX = xpos + (m_nPlaybackWidth-1);
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float flTopY = ypos;
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float flBottomY = ypos + (m_nPlaybackHeight-1);
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// Map our UVs to cut out just the portion of the video we're interested in
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float flLeftU = 0.0f;
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float flTopV = 0.0f;
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// We need to subtract off a pixel to make sure we don't bleed
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float flRightU = m_flU - ( 1.0f / (float) m_nPlaybackWidth );
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float flBottomV = m_flV - ( 1.0f / (float) m_nPlaybackHeight );
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// Get the current viewport size
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int vx, vy, vw, vh;
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pRenderContext->GetViewport( vx, vy, vw, vh );
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// map from screen pixel coords to -1..1
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flRightX = FLerp( -1, 1, 0, vw, flRightX );
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flLeftX = FLerp( -1, 1, 0, vw, flLeftX );
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flTopY = FLerp( 1, -1, 0, vh ,flTopY );
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flBottomY = FLerp( 1, -1, 0, vh, flBottomY );
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float alpha = ((float)GetFgColor()[3]/255.0f);
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for ( int corner=0; corner<4; corner++ )
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{
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bool bLeft = (corner==0) || (corner==3);
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meshBuilder.Position3f( (bLeft) ? flLeftX : flRightX, (corner & 2) ? flBottomY : flTopY, 0.0f );
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meshBuilder.Normal3f( 0.0f, 0.0f, 1.0f );
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meshBuilder.TexCoord2f( 0, (bLeft) ? flLeftU : flRightU, (corner & 2) ? flBottomV : flTopV );
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meshBuilder.TangentS3f( 0.0f, 1.0f, 0.0f );
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meshBuilder.TangentT3f( 1.0f, 0.0f, 0.0f );
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meshBuilder.Color4f( 1.0f, 1.0f, 1.0f, alpha );
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meshBuilder.AdvanceVertex();
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}
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meshBuilder.End();
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pMesh->Draw();
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pRenderContext->MatrixMode( MATERIAL_VIEW );
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pRenderContext->PopMatrix();
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pRenderContext->MatrixMode( MATERIAL_PROJECTION );
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pRenderContext->PopMatrix();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Create and playback a video in a panel
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// Input : nWidth - Width of panel (in pixels)
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// nHeight - Height of panel
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// *pVideoFilename - Name of the file to play
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool VideoPanel_Create( unsigned int nXPos, unsigned int nYPos,
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unsigned int nWidth, unsigned int nHeight,
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const char *pVideoFilename,
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const char *pExitCommand /*= NULL*/)
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{
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// Create the base video panel
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VideoPanel *pVideoPanel = new VideoPanel( nXPos, nYPos, nHeight, nWidth, false );
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if ( pVideoPanel == NULL )
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return false;
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// Set the command we'll call (if any) when the video is interrupted or completes
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pVideoPanel->SetExitCommand( pExitCommand );
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// Start it going
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if ( pVideoPanel->BeginPlayback( pVideoFilename ) == false )
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{
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pVideoPanel->MarkForDeletion();
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pVideoPanel = NULL;
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return false;
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}
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// Take control
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pVideoPanel->DoModal();
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Used to launch a video playback (Debug) -
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// user must include file extension
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//-----------------------------------------------------------------------------
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CON_COMMAND( playvideo, "Plays a video: <filename> [width height]" )
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{
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if ( args.ArgC() < 2 )
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return;
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unsigned int nScreenWidth = Q_atoi( args[2] );
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unsigned int nScreenHeight = Q_atoi( args[3] );
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char strFullpath[MAX_PATH];
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Q_strncpy( strFullpath, "media/", MAX_PATH ); // Assume we must play out of the media directory
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char strFilename[MAX_PATH];
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Q_StripExtension( args[1], strFilename, MAX_PATH );
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Q_strncat( strFullpath, args[1], MAX_PATH );
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if ( nScreenWidth == 0 )
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{
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nScreenWidth = ScreenWidth();
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}
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if ( nScreenHeight == 0 )
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{
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nScreenHeight = ScreenHeight();
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}
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// Create the panel and go!
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if ( VideoPanel_Create( 0, 0, nScreenWidth, nScreenHeight, strFullpath ) == false )
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{
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Warning( "Unable to play video: %s\n", strFullpath );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Used to launch a video playback and fire a command on completion
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//-----------------------------------------------------------------------------
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CON_COMMAND( playvideo_exitcommand, "Plays a video and fires and exit command when it is stopped or finishes: <filename> <exit command>" )
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{
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if ( args.ArgC() < 2 )
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return;
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unsigned int nScreenWidth = ScreenWidth();
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unsigned int nScreenHeight = ScreenHeight();
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char strFullpath[MAX_PATH];
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Q_strncpy( strFullpath, "media/", MAX_PATH ); // Assume we must play out of the media directory
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char strFilename[MAX_PATH];
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Q_StripExtension( args[1], strFilename, MAX_PATH );
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Q_strncat( strFullpath, args[1], MAX_PATH );
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char *pExitCommand = Q_strstr( args.GetCommandString(), args[2] );
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// Create the panel and go!
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if ( VideoPanel_Create( 0, 0, nScreenWidth, nScreenHeight, strFullpath, pExitCommand ) == false )
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{
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Warning( "Unable to play video: %s\n", strFullpath );
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engine->ClientCmd( pExitCommand );
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}
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} |