528 lines
15 KiB
C++
528 lines
15 KiB
C++
//========= Copyright <20> 1996-2009, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=====================================================================================//
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#include "cbase.h"
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#include "c_vguiscreen.h"
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#include "vgui_controls/ImagePanel.h"
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#include <vgui/IVGui.h>
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#include "ienginevgui.h"
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#include "fmtstr.h"
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#include "vgui_controls/ImagePanel.h"
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#include <vgui/ISurface.h>
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#include "avi/ibik.h"
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#include "engine/IEngineSound.h"
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#include "VGuiMatSurface/IMatSystemSurface.h"
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#include "c_movie_display.h"
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// NOTE: This has to be the last file included!
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#include "tier0/memdbgon.h"
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using namespace vgui;
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struct VideoPlaybackInfo_t
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{
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VideoPlaybackInfo_t( void ) :
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m_pMaterial ( NULL ),
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m_nSourceHeight(0), m_nSourceWidth(0),
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m_flU(0.0f),m_flV(0.0f) {}
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IMaterial *m_pMaterial;
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int m_nSourceHeight, m_nSourceWidth; // Source movie's dimensions
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float m_flU, m_flV; // U,V ranges for video on its sheet
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};
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//-----------------------------------------------------------------------------
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// Control screen
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//-----------------------------------------------------------------------------
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class CMovieDisplayScreen : public CVGuiScreenPanel
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{
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DECLARE_CLASS( CMovieDisplayScreen, CVGuiScreenPanel );
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public:
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CMovieDisplayScreen( vgui::Panel *parent, const char *panelName );
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~CMovieDisplayScreen( void );
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virtual void ApplySchemeSettings( IScheme *pScheme );
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virtual bool Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData );
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virtual void OnTick( void );
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virtual void Paint( void );
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private:
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bool IsActive( void );
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bool IsAGroupPeer( CMovieDisplayScreen* pScreen );
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void SetupMovie( void );
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void UpdateMovie( void );
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bool BeginPlayback( const char *pFilename );
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void CalculatePlaybackDimensions( int nSrcWidth, int nSrcHeight );
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void TakeOverAsMaster();
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inline void 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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private:
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// BINK playback info
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BIKMaterial_t m_BIKHandle;
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VideoPlaybackInfo_t m_playbackInfo;
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CHandle<C_VGuiScreen> m_hVGUIScreen;
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CHandle<C_MovieDisplay> m_hScreenEntity;
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int m_nTextureId;
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int m_nPlaybackHeight; // Playback dimensions (proper ration adjustments)
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int m_nPlaybackWidth;
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bool m_bBlackBackground;
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bool m_bSlaved;
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bool m_bInitialized;
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bool m_bLastActiveState; // HACK: I'd rather get a real callback...
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// VGUI specifics
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ImagePanel *m_pScanLineImage;
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bool bIsAlreadyVisible;
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};
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DECLARE_VGUI_SCREEN_FACTORY( CMovieDisplayScreen, "movie_display_screen" );
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CUtlVector <CMovieDisplayScreen *> g_MovieDisplays;
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//-----------------------------------------------------------------------------
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// Constructor:
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//-----------------------------------------------------------------------------
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CMovieDisplayScreen::CMovieDisplayScreen( vgui::Panel *parent, const char *panelName )
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: BaseClass( parent, "CMovieDisplayScreen" )
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{
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m_pScanLineImage = new vgui::ImagePanel( this, "ScanLines");
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m_pScanLineImage->SetImage( "elevator_video_lines" );
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m_BIKHandle = BIKHANDLE_INVALID;
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m_nTextureId = -1;
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m_bBlackBackground = true;
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m_bSlaved = false;
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m_bInitialized = false;
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// Add ourselves to the global list of movie displays
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g_MovieDisplays.AddToTail( this );
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m_bLastActiveState = IsActive();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Clean up the movie
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//-----------------------------------------------------------------------------
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CMovieDisplayScreen::~CMovieDisplayScreen( void )
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{
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if ( m_BIKHandle != BIKHANDLE_INVALID )
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{
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if ( bik )
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bik->DestroyMaterial( m_BIKHandle );
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m_BIKHandle = BIKHANDLE_INVALID;
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}
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// Clean up our texture reference
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if ( m_nTextureId != -1 )
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{
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g_pMatSystemSurface->DestroyTextureID( m_nTextureId );
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m_nTextureId = -1;
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}
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// Remove ourselves from the global list of movie displays
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g_MovieDisplays.FindAndRemove( this );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Setup our scheme
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//-----------------------------------------------------------------------------
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void CMovieDisplayScreen::ApplySchemeSettings( IScheme *pScheme )
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{
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assert( pScheme );
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BaseClass::ApplySchemeSettings(pScheme);
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m_pScanLineImage->SetShouldScaleImage( true );
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int wide, tall;
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this->GetSize( wide, tall );
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m_pScanLineImage->SetSize( wide, tall );
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m_pScanLineImage->SetDrawColor( Color( 100, 100, 100, 255 ) );
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}
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//-----------------------------------------------------------------------------
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// Initialization
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//-----------------------------------------------------------------------------
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bool CMovieDisplayScreen::Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData )
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{
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// Make sure we get ticked...
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vgui::ivgui()->AddTickSignal( GetVPanel() );
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if ( !BaseClass::Init( pKeyValues, pInitData ) )
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return false;
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// Save this for simplicity later on
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m_hVGUIScreen = dynamic_cast<C_VGuiScreen *>( GetEntity() );
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if ( m_hVGUIScreen != NULL )
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{
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// Also get the associated entity
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m_hScreenEntity = dynamic_cast<C_MovieDisplay *>(m_hVGUIScreen->GetOwnerEntity());
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Helper function to check our active state
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//-----------------------------------------------------------------------------
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bool CMovieDisplayScreen::IsActive( void )
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{
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bool bScreenActive = false;
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if ( m_hVGUIScreen != NULL )
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{
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bScreenActive = m_hVGUIScreen->IsActive();
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}
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return bScreenActive;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Either become the master of a group of screens, or become a slave to another
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//-----------------------------------------------------------------------------
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void CMovieDisplayScreen::SetupMovie( void )
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{
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// Only bother if we haven't been setup yet
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if ( m_bInitialized || !IsActive() )
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return;
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#if defined( _GAMECONSOLE )
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Assert( bik );
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#endif
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if ( !bik )
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return;
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CMovieDisplayScreen *pMasterScreen = NULL;
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for ( int i = 0; i < g_MovieDisplays.Count(); i++ )
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{
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// Must be a valid peer and not be us
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if ( !IsAGroupPeer( g_MovieDisplays[i] ) || g_MovieDisplays[i] == this )
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continue;
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// See if we've found a master display
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if ( g_MovieDisplays[i]->m_bInitialized && g_MovieDisplays[i]->m_bSlaved == false )
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{
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m_bSlaved = true;
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// Share the info from the master
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m_playbackInfo = g_MovieDisplays[i]->m_playbackInfo;
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// We need to calculate our own playback dimensions as we may be a different size than our parent
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CalculatePlaybackDimensions( m_playbackInfo.m_nSourceWidth, m_playbackInfo.m_nSourceHeight );
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// Bind our texture
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m_nTextureId = surface()->CreateNewTextureID( true );
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g_pMatSystemSurface->DrawSetTextureMaterial( m_nTextureId, m_playbackInfo.m_pMaterial );
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// Hold this as the master screen
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pMasterScreen = g_MovieDisplays[i];
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break;
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}
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}
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// We need to try again, we have no screen entity!
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if ( m_hScreenEntity == NULL )
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return;
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// No master found, become one
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if ( pMasterScreen == NULL && !m_hScreenEntity->IsForcedSlave() )
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{
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const char *szFilename = m_hScreenEntity->GetMovieFilename();
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BeginPlayback( szFilename );
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m_bSlaved = false;
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m_bInitialized = true; // we are the new master - we are done
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}
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else if ( pMasterScreen != NULL ) // we are a slave then we are done.
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{
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m_bInitialized = true;
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}
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}
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bool CMovieDisplayScreen::IsAGroupPeer( CMovieDisplayScreen* pScreen )
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{
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// Must be valid
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if ( pScreen == NULL )
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return false;
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// Must have an associated movie entity
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if ( pScreen->m_hScreenEntity == NULL )
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return false;
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// Must have a group name to care
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const char *szGroupName = m_hScreenEntity->GetGroupName();
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if ( szGroupName[0] == NULL )
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return false;
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// Group names must match!
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// FIXME: Use an ID instead?
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const char *szTestGroupName = pScreen->m_hScreenEntity->GetGroupName();
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if ( Q_strnicmp( szTestGroupName, szGroupName, 128 ) )
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return false;
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Try to take over as the master for playback.
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//-----------------------------------------------------------------------------
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void CMovieDisplayScreen::TakeOverAsMaster( void )
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{
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// Tell all of the screens that are peers to us that they need to be set up again
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for ( int i = 0; i < g_MovieDisplays.Count(); i++ )
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{
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if ( IsAGroupPeer( g_MovieDisplays[i] ) )
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{
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if ( g_MovieDisplays[i]->m_nTextureId != -1 )
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{
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g_pMatSystemSurface->DestroyTextureID( g_MovieDisplays[i]->m_nTextureId );
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g_MovieDisplays[i]->m_nTextureId = -1;
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}
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// make it so we will reinitialize ourselves.
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g_MovieDisplays[i]->m_bInitialized = false;
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}
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}
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// Even if we don't become the master we should stop trying
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m_hScreenEntity->SetMasterAttempted();
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SetupMovie();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Deal with the details of the video playback
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//-----------------------------------------------------------------------------
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void CMovieDisplayScreen::UpdateMovie( void )
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{
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// Only the master in a group updates the bink file
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if ( m_bSlaved )
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return;
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// Must have a movie to play
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if ( m_BIKHandle == BIKHANDLE_INVALID )
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return;
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// Get the current activity state of the screen
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bool bScreenActive = IsActive();
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// Pause if the game has paused
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bool bPaused = ( engine->IsPaused() || engine->Con_IsVisible() );
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if ( bPaused )
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{
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bScreenActive = false;
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}
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// See if we've changed our activity state
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if ( bik && bScreenActive != m_bLastActiveState )
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{
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if ( bScreenActive )
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{
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if ( /*m_bRestartOnResume*/ 1 && !bPaused )
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{
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bik->SetFrame( m_BIKHandle, 1.0f );
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}
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bik->Unpause( m_BIKHandle );
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}
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else
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{
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bik->Pause( m_BIKHandle );
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}
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}
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// Updated
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m_bLastActiveState = bScreenActive;
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// Update the frame if we're currently enabled
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if ( bScreenActive )
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{
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// Update our frame
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if ( bik && bik->Update( m_BIKHandle ) == false )
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{
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// Issue a close command
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// OnVideoOver();
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// StopPlayback();
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Update the display string
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//-----------------------------------------------------------------------------
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void CMovieDisplayScreen::OnTick()
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{
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BaseClass::OnTick();
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if( m_hScreenEntity && m_hScreenEntity->GetWantsToBeMaster() )
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{
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TakeOverAsMaster();
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}
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// Create our playback or slave to another screen already playing
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SetupMovie();
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// Now update the movie
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UpdateMovie();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Adjust the playback dimensions to properly account for our screen dimensions
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//-----------------------------------------------------------------------------
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void CMovieDisplayScreen::CalculatePlaybackDimensions( int nSrcWidth, int nSrcHeight )
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{
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// Change our stretching type
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if ( m_hScreenEntity && m_hScreenEntity->IsStretchingToFill() )
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{
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m_nPlaybackWidth = GetWide();
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m_nPlaybackHeight = GetTall();
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return;
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}
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float flFrameRatio = ( (float) GetWide() / (float) GetTall() );
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float flVideoRatio = ( (float) nSrcWidth / (float) nSrcHeight );
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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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}
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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 CMovieDisplayScreen::BeginPlayback( const char *pFilename )
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{
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#if defined( _GAMECONSOLE )
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Assert( bik );
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#endif
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if ( !bik )
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return false;
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if ( m_BIKHandle == BIKHANDLE_INVALID )
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{
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// Create a globally unique name for this material
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char szMaterialName[256];
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// Append our group name if we have one
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const char *szGroupName = m_hScreenEntity->GetGroupName();
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if ( szGroupName[0] != NULL )
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{
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Q_snprintf( szMaterialName, sizeof(szMaterialName), "%s_%s", pFilename, szGroupName );
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}
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else
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{
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Q_strncpy( szMaterialName, pFilename, sizeof(szMaterialName) );
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}
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// Load and create our BINK video
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int nFlags = BIK_NO_AUDIO; // FIXME: Allow?
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nFlags |= BIK_PRELOAD;
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if ( m_hScreenEntity->IsLooping() )
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{
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nFlags |= BIK_LOOP;
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}
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if ( bik )
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m_BIKHandle = bik->CreateMaterial( szMaterialName, pFilename, "GAME", nFlags );
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if ( m_BIKHandle == BIKHANDLE_INVALID )
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return false;
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}
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// NOTE: This class shouldn't turn off all sounds (Bank)
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//if ( ( nFlags & BIK_NO_AUDIO ) != 0 )
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//{
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// // We want to be the sole audio source
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// enginesound->NotifyBeginMoviePlayback();
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//}
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// Get our basic info from the movie
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bik->GetFrameSize( m_BIKHandle, &m_playbackInfo.m_nSourceWidth, &m_playbackInfo.m_nSourceHeight );
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bik->GetTexCoordRange( m_BIKHandle, &m_playbackInfo.m_flU, &m_playbackInfo.m_flV );
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m_playbackInfo.m_pMaterial = bik->GetMaterial( m_BIKHandle );
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// Get our playback dimensions
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CalculatePlaybackDimensions( m_playbackInfo.m_nSourceWidth, m_playbackInfo.m_nSourceHeight );
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// Bind our texture
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m_nTextureId = surface()->CreateNewTextureID( true );
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g_pMatSystemSurface->DrawSetTextureMaterial( m_nTextureId, m_playbackInfo.m_pMaterial );
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return true;
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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 CMovieDisplayScreen::Paint( void )
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{
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// Masters must keep the video updated
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if ( m_bSlaved == false && m_BIKHandle == BIKHANDLE_INVALID )
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{
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BaseClass::Paint();
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return;
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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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bool bStretchToFill = ( m_hScreenEntity != NULL ) ? m_hScreenEntity->IsStretchingToFill() : false;
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bool bUsingCustomUVs = ( m_hScreenEntity != NULL ) ? m_hScreenEntity->IsUsingCustomUVs() : false;
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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 && !bStretchToFill )
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{
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surface()->DrawSetColor( 0, 0, 0, 255 );
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surface()->DrawFilledRect( 0, 0, GetWide(), GetTall() );
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}
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// Draw it
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surface()->DrawSetTexture( m_nTextureId );
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surface()->DrawSetColor( 255, 255, 255, 255 );
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if ( bUsingCustomUVs )
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{
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surface()->DrawTexturedSubRect( xpos, ypos, xpos+m_nPlaybackWidth, ypos+m_nPlaybackHeight,
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m_hScreenEntity->GetUMin(),
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m_hScreenEntity->GetVMin(),
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m_hScreenEntity->GetUMax(),
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m_hScreenEntity->GetVMax() );
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}
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else
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{
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surface()->DrawTexturedSubRect( xpos, ypos, xpos+m_nPlaybackWidth, ypos+m_nPlaybackHeight, 0.f, 0.f, m_playbackInfo.m_flU, m_playbackInfo.m_flV );
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}
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// Parent's turn
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BaseClass::Paint();
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}
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