Counter Strike : Global Offensive Source Code
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//========= Copyright � 1996-2009, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=====================================================================================//
#include "cbase.h"
#include "c_vguiscreen.h"
#include "vgui_controls/ImagePanel.h"
#include <vgui/IVGui.h>
#include "ienginevgui.h"
#include "fmtstr.h"
#include "vgui_controls/ImagePanel.h"
#include <vgui/ISurface.h>
#include "avi/ibik.h"
#include "engine/IEngineSound.h"
#include "VGuiMatSurface/IMatSystemSurface.h"
#include "c_movie_display.h"
// NOTE: This has to be the last file included!
#include "tier0/memdbgon.h"
using namespace vgui;
struct VideoPlaybackInfo_t
{
VideoPlaybackInfo_t( void ) :
m_pMaterial ( NULL ),
m_nSourceHeight(0), m_nSourceWidth(0),
m_flU(0.0f),m_flV(0.0f) {}
IMaterial *m_pMaterial;
int m_nSourceHeight, m_nSourceWidth; // Source movie's dimensions
float m_flU, m_flV; // U,V ranges for video on its sheet
};
//-----------------------------------------------------------------------------
// Control screen
//-----------------------------------------------------------------------------
class CMovieDisplayScreen : public CVGuiScreenPanel
{
DECLARE_CLASS( CMovieDisplayScreen, CVGuiScreenPanel );
public:
CMovieDisplayScreen( vgui::Panel *parent, const char *panelName );
~CMovieDisplayScreen( void );
virtual void ApplySchemeSettings( IScheme *pScheme );
virtual bool Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData );
virtual void OnTick( void );
virtual void Paint( void );
private:
bool IsActive( void );
bool IsAGroupPeer( CMovieDisplayScreen* pScreen );
void SetupMovie( void );
void UpdateMovie( void );
bool BeginPlayback( const char *pFilename );
void CalculatePlaybackDimensions( int nSrcWidth, int nSrcHeight );
void TakeOverAsMaster();
inline void GetPanelPos( int &xpos, int &ypos )
{
xpos = ( (float) ( GetWide() - m_nPlaybackWidth ) / 2 );
ypos = ( (float) ( GetTall() - m_nPlaybackHeight ) / 2 );
}
private:
// BINK playback info
BIKMaterial_t m_BIKHandle;
VideoPlaybackInfo_t m_playbackInfo;
CHandle<C_VGuiScreen> m_hVGUIScreen;
CHandle<C_MovieDisplay> m_hScreenEntity;
int m_nTextureId;
int m_nPlaybackHeight; // Playback dimensions (proper ration adjustments)
int m_nPlaybackWidth;
bool m_bBlackBackground;
bool m_bSlaved;
bool m_bInitialized;
bool m_bLastActiveState; // HACK: I'd rather get a real callback...
// VGUI specifics
ImagePanel *m_pScanLineImage;
bool bIsAlreadyVisible;
};
DECLARE_VGUI_SCREEN_FACTORY( CMovieDisplayScreen, "movie_display_screen" );
CUtlVector <CMovieDisplayScreen *> g_MovieDisplays;
//-----------------------------------------------------------------------------
// Constructor:
//-----------------------------------------------------------------------------
CMovieDisplayScreen::CMovieDisplayScreen( vgui::Panel *parent, const char *panelName )
: BaseClass( parent, "CMovieDisplayScreen" )
{
m_pScanLineImage = new vgui::ImagePanel( this, "ScanLines");
m_pScanLineImage->SetImage( "elevator_video_lines" );
m_BIKHandle = BIKHANDLE_INVALID;
m_nTextureId = -1;
m_bBlackBackground = true;
m_bSlaved = false;
m_bInitialized = false;
// Add ourselves to the global list of movie displays
g_MovieDisplays.AddToTail( this );
m_bLastActiveState = IsActive();
}
//-----------------------------------------------------------------------------
// Purpose: Clean up the movie
//-----------------------------------------------------------------------------
CMovieDisplayScreen::~CMovieDisplayScreen( void )
{
if ( m_BIKHandle != BIKHANDLE_INVALID )
{
if ( bik )
bik->DestroyMaterial( m_BIKHandle );
m_BIKHandle = BIKHANDLE_INVALID;
}
// Clean up our texture reference
if ( m_nTextureId != -1 )
{
g_pMatSystemSurface->DestroyTextureID( m_nTextureId );
m_nTextureId = -1;
}
// Remove ourselves from the global list of movie displays
g_MovieDisplays.FindAndRemove( this );
}
//-----------------------------------------------------------------------------
// Purpose: Setup our scheme
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::ApplySchemeSettings( IScheme *pScheme )
{
assert( pScheme );
BaseClass::ApplySchemeSettings(pScheme);
m_pScanLineImage->SetShouldScaleImage( true );
int wide, tall;
this->GetSize( wide, tall );
m_pScanLineImage->SetSize( wide, tall );
m_pScanLineImage->SetDrawColor( Color( 100, 100, 100, 255 ) );
}
//-----------------------------------------------------------------------------
// Initialization
//-----------------------------------------------------------------------------
bool CMovieDisplayScreen::Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData )
{
// Make sure we get ticked...
vgui::ivgui()->AddTickSignal( GetVPanel() );
if ( !BaseClass::Init( pKeyValues, pInitData ) )
return false;
// Save this for simplicity later on
m_hVGUIScreen = dynamic_cast<C_VGuiScreen *>( GetEntity() );
if ( m_hVGUIScreen != NULL )
{
// Also get the associated entity
m_hScreenEntity = dynamic_cast<C_MovieDisplay *>(m_hVGUIScreen->GetOwnerEntity());
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Helper function to check our active state
//-----------------------------------------------------------------------------
bool CMovieDisplayScreen::IsActive( void )
{
bool bScreenActive = false;
if ( m_hVGUIScreen != NULL )
{
bScreenActive = m_hVGUIScreen->IsActive();
}
return bScreenActive;
}
//-----------------------------------------------------------------------------
// Purpose: Either become the master of a group of screens, or become a slave to another
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::SetupMovie( void )
{
// Only bother if we haven't been setup yet
if ( m_bInitialized || !IsActive() )
return;
#if defined( _GAMECONSOLE )
Assert( bik );
#endif
if ( !bik )
return;
CMovieDisplayScreen *pMasterScreen = NULL;
for ( int i = 0; i < g_MovieDisplays.Count(); i++ )
{
// Must be a valid peer and not be us
if ( !IsAGroupPeer( g_MovieDisplays[i] ) || g_MovieDisplays[i] == this )
continue;
// See if we've found a master display
if ( g_MovieDisplays[i]->m_bInitialized && g_MovieDisplays[i]->m_bSlaved == false )
{
m_bSlaved = true;
// Share the info from the master
m_playbackInfo = g_MovieDisplays[i]->m_playbackInfo;
// We need to calculate our own playback dimensions as we may be a different size than our parent
CalculatePlaybackDimensions( m_playbackInfo.m_nSourceWidth, m_playbackInfo.m_nSourceHeight );
// Bind our texture
m_nTextureId = surface()->CreateNewTextureID( true );
g_pMatSystemSurface->DrawSetTextureMaterial( m_nTextureId, m_playbackInfo.m_pMaterial );
// Hold this as the master screen
pMasterScreen = g_MovieDisplays[i];
break;
}
}
// We need to try again, we have no screen entity!
if ( m_hScreenEntity == NULL )
return;
// No master found, become one
if ( pMasterScreen == NULL && !m_hScreenEntity->IsForcedSlave() )
{
const char *szFilename = m_hScreenEntity->GetMovieFilename();
BeginPlayback( szFilename );
m_bSlaved = false;
m_bInitialized = true; // we are the new master - we are done
}
else if ( pMasterScreen != NULL ) // we are a slave then we are done.
{
m_bInitialized = true;
}
}
bool CMovieDisplayScreen::IsAGroupPeer( CMovieDisplayScreen* pScreen )
{
// Must be valid
if ( pScreen == NULL )
return false;
// Must have an associated movie entity
if ( pScreen->m_hScreenEntity == NULL )
return false;
// Must have a group name to care
const char *szGroupName = m_hScreenEntity->GetGroupName();
if ( szGroupName[0] == NULL )
return false;
// Group names must match!
// FIXME: Use an ID instead?
const char *szTestGroupName = pScreen->m_hScreenEntity->GetGroupName();
if ( Q_strnicmp( szTestGroupName, szGroupName, 128 ) )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Try to take over as the master for playback.
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::TakeOverAsMaster( void )
{
// Tell all of the screens that are peers to us that they need to be set up again
for ( int i = 0; i < g_MovieDisplays.Count(); i++ )
{
if ( IsAGroupPeer( g_MovieDisplays[i] ) )
{
if ( g_MovieDisplays[i]->m_nTextureId != -1 )
{
g_pMatSystemSurface->DestroyTextureID( g_MovieDisplays[i]->m_nTextureId );
g_MovieDisplays[i]->m_nTextureId = -1;
}
// make it so we will reinitialize ourselves.
g_MovieDisplays[i]->m_bInitialized = false;
}
}
// Even if we don't become the master we should stop trying
m_hScreenEntity->SetMasterAttempted();
SetupMovie();
}
//-----------------------------------------------------------------------------
// Purpose: Deal with the details of the video playback
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::UpdateMovie( void )
{
// Only the master in a group updates the bink file
if ( m_bSlaved )
return;
// Must have a movie to play
if ( m_BIKHandle == BIKHANDLE_INVALID )
return;
// Get the current activity state of the screen
bool bScreenActive = IsActive();
// Pause if the game has paused
bool bPaused = ( engine->IsPaused() || engine->Con_IsVisible() );
if ( bPaused )
{
bScreenActive = false;
}
// See if we've changed our activity state
if ( bik && bScreenActive != m_bLastActiveState )
{
if ( bScreenActive )
{
if ( /*m_bRestartOnResume*/ 1 && !bPaused )
{
bik->SetFrame( m_BIKHandle, 1.0f );
}
bik->Unpause( m_BIKHandle );
}
else
{
bik->Pause( m_BIKHandle );
}
}
// Updated
m_bLastActiveState = bScreenActive;
// Update the frame if we're currently enabled
if ( bScreenActive )
{
// Update our frame
if ( bik && bik->Update( m_BIKHandle ) == false )
{
// Issue a close command
// OnVideoOver();
// StopPlayback();
}
}
}
//-----------------------------------------------------------------------------
// Update the display string
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::OnTick()
{
BaseClass::OnTick();
if( m_hScreenEntity && m_hScreenEntity->GetWantsToBeMaster() )
{
TakeOverAsMaster();
}
// Create our playback or slave to another screen already playing
SetupMovie();
// Now update the movie
UpdateMovie();
}
//-----------------------------------------------------------------------------
// Purpose: Adjust the playback dimensions to properly account for our screen dimensions
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::CalculatePlaybackDimensions( int nSrcWidth, int nSrcHeight )
{
// Change our stretching type
if ( m_hScreenEntity && m_hScreenEntity->IsStretchingToFill() )
{
m_nPlaybackWidth = GetWide();
m_nPlaybackHeight = GetTall();
return;
}
float flFrameRatio = ( (float) GetWide() / (float) GetTall() );
float flVideoRatio = ( (float) nSrcWidth / (float) nSrcHeight );
if ( flVideoRatio > flFrameRatio )
{
m_nPlaybackWidth = GetWide();
m_nPlaybackHeight = ( GetWide() / flVideoRatio );
}
else if ( flVideoRatio < flFrameRatio )
{
m_nPlaybackWidth = ( GetTall() * flVideoRatio );
m_nPlaybackHeight = GetTall();
}
else
{
m_nPlaybackWidth = GetWide();
m_nPlaybackHeight = GetTall();
}
}
//-----------------------------------------------------------------------------
// Purpose: Begins playback of a movie
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CMovieDisplayScreen::BeginPlayback( const char *pFilename )
{
#if defined( _GAMECONSOLE )
Assert( bik );
#endif
if ( !bik )
return false;
if ( m_BIKHandle == BIKHANDLE_INVALID )
{
// Create a globally unique name for this material
char szMaterialName[256];
// Append our group name if we have one
const char *szGroupName = m_hScreenEntity->GetGroupName();
if ( szGroupName[0] != NULL )
{
Q_snprintf( szMaterialName, sizeof(szMaterialName), "%s_%s", pFilename, szGroupName );
}
else
{
Q_strncpy( szMaterialName, pFilename, sizeof(szMaterialName) );
}
// Load and create our BINK video
int nFlags = BIK_NO_AUDIO; // FIXME: Allow?
nFlags |= BIK_PRELOAD;
if ( m_hScreenEntity->IsLooping() )
{
nFlags |= BIK_LOOP;
}
if ( bik )
m_BIKHandle = bik->CreateMaterial( szMaterialName, pFilename, "GAME", nFlags );
if ( m_BIKHandle == BIKHANDLE_INVALID )
return false;
}
// NOTE: This class shouldn't turn off all sounds (Bank)
//if ( ( nFlags & BIK_NO_AUDIO ) != 0 )
//{
// // We want to be the sole audio source
// enginesound->NotifyBeginMoviePlayback();
//}
// Get our basic info from the movie
bik->GetFrameSize( m_BIKHandle, &m_playbackInfo.m_nSourceWidth, &m_playbackInfo.m_nSourceHeight );
bik->GetTexCoordRange( m_BIKHandle, &m_playbackInfo.m_flU, &m_playbackInfo.m_flV );
m_playbackInfo.m_pMaterial = bik->GetMaterial( m_BIKHandle );
// Get our playback dimensions
CalculatePlaybackDimensions( m_playbackInfo.m_nSourceWidth, m_playbackInfo.m_nSourceHeight );
// Bind our texture
m_nTextureId = surface()->CreateNewTextureID( true );
g_pMatSystemSurface->DrawSetTextureMaterial( m_nTextureId, m_playbackInfo.m_pMaterial );
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Update and draw the frame
//-----------------------------------------------------------------------------
void CMovieDisplayScreen::Paint( void )
{
// Masters must keep the video updated
if ( m_bSlaved == false && m_BIKHandle == BIKHANDLE_INVALID )
{
BaseClass::Paint();
return;
}
// Sit in the "center"
int xpos, ypos;
GetPanelPos( xpos, ypos );
bool bStretchToFill = ( m_hScreenEntity != NULL ) ? m_hScreenEntity->IsStretchingToFill() : false;
bool bUsingCustomUVs = ( m_hScreenEntity != NULL ) ? m_hScreenEntity->IsUsingCustomUVs() : false;
// Black out the background (we could omit drawing under the video surface, but this is straight-forward)
if ( m_bBlackBackground && !bStretchToFill )
{
surface()->DrawSetColor( 0, 0, 0, 255 );
surface()->DrawFilledRect( 0, 0, GetWide(), GetTall() );
}
// Draw it
surface()->DrawSetTexture( m_nTextureId );
surface()->DrawSetColor( 255, 255, 255, 255 );
if ( bUsingCustomUVs )
{
surface()->DrawTexturedSubRect( xpos, ypos, xpos+m_nPlaybackWidth, ypos+m_nPlaybackHeight,
m_hScreenEntity->GetUMin(),
m_hScreenEntity->GetVMin(),
m_hScreenEntity->GetUMax(),
m_hScreenEntity->GetVMax() );
}
else
{
surface()->DrawTexturedSubRect( xpos, ypos, xpos+m_nPlaybackWidth, ypos+m_nPlaybackHeight, 0.f, 0.f, m_playbackInfo.m_flU, m_playbackInfo.m_flV );
}
// Parent's turn
BaseClass::Paint();
}