Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: VGUI panel which can play back video, in-engine
//
//=============================================================================
#include "cbase.h"
#include <vgui/IVGui.h>
#include "vgui/IInput.h"
#include <vgui/ISurface.h>
#include "ienginevgui.h"
#include "iclientmode.h"
#include "vgui_video.h"
#include "engine/IEngineSound.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
VideoPanel::VideoPanel( unsigned int nXPos, unsigned int nYPos, unsigned int nHeight, unsigned int nWidth, bool allowAlternateMedia ) :
BaseClass( NULL, "VideoPanel" ),
m_VideoMaterial( NULL ),
m_nPlaybackWidth( 0 ),
m_nPlaybackHeight( 0 ),
m_bAllowAlternateMedia( allowAlternateMedia )
{
vgui::VPANEL pParent = enginevgui->GetPanel( PANEL_GAMEUIDLL );
SetParent( pParent );
SetVisible( false );
// Must be passed in, off by default
m_szExitCommand[0] = '\0';
m_bBlackBackground = true;
SetKeyBoardInputEnabled( true );
SetMouseInputEnabled( false );
SetProportional( false );
SetVisible( true );
SetPaintBackgroundEnabled( false );
SetPaintBorderEnabled( false );
// Set us up
SetTall( nHeight );
SetWide( nWidth );
SetPos( nXPos, nYPos );
SetScheme(vgui::scheme()->LoadSchemeFromFile( "resource/VideoPanelScheme.res", "VideoPanelScheme"));
LoadControlSettings("resource/UI/VideoPanel.res");
}
//-----------------------------------------------------------------------------
// Properly shutdown out materials
//-----------------------------------------------------------------------------
VideoPanel::~VideoPanel( void )
{
SetParent( (vgui::Panel *) NULL );
// Shut down this video, destroy the video material
if ( g_pVideo != NULL && m_VideoMaterial != NULL )
{
g_pVideo->DestroyVideoMaterial( m_VideoMaterial );
m_VideoMaterial = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose: Begins playback of a movie
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool VideoPanel::BeginPlayback( const char *pFilename )
{
// Who the heck hacked this in?
#ifdef _X360
XVIDEO_MODE videoMode;
XGetVideoMode( &videoMode );
// for 50Hz PAL, load a 25Hz version of the ep1_recap movie.
if( ( videoMode.RefreshRate < 59.0f ) && ( Q_stricmp( pFilename, "media/ep1_recap.bik" ) == 0 ) )
{
pFilename = "media/ep1_recap_25fps.bik";
}
#endif
// need working video services
if ( g_pVideo == NULL )
return false;
// Create a new video material
if ( m_VideoMaterial != NULL )
{
g_pVideo->DestroyVideoMaterial( m_VideoMaterial );
m_VideoMaterial = NULL;
}
m_VideoMaterial = g_pVideo->CreateVideoMaterial( "VideoMaterial", pFilename, "GAME",
VideoPlaybackFlags::DEFAULT_MATERIAL_OPTIONS,
VideoSystem::DETERMINE_FROM_FILE_EXTENSION, m_bAllowAlternateMedia );
if ( m_VideoMaterial == NULL )
return false;
// We want to be the sole audio source
// FIXME: This may not always be true!
enginesound->NotifyBeginMoviePlayback();
int nWidth, nHeight;
m_VideoMaterial->GetVideoImageSize( &nWidth, &nHeight );
m_VideoMaterial->GetVideoTexCoordRange( &m_flU, &m_flV );
m_pMaterial = m_VideoMaterial->GetMaterial();
float flFrameRatio = ( (float) GetWide() / (float) GetTall() );
float flVideoRatio = ( (float) nWidth / (float) nHeight );
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();
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void VideoPanel::Activate( void )
{
MoveToFront();
RequestFocus();
SetVisible( true );
SetEnabled( true );
vgui::surface()->SetMinimized( GetVPanel(), false );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void VideoPanel::DoModal( void )
{
MakePopup();
Activate();
vgui::input()->SetAppModalSurface( GetVPanel() );
vgui::surface()->RestrictPaintToSinglePanel( GetVPanel() );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void VideoPanel::OnKeyCodeTyped( vgui::KeyCode code )
{
if ( code == KEY_ESCAPE )
{
OnClose();
}
else
{
BaseClass::OnKeyCodeTyped( code );
}
}
//-----------------------------------------------------------------------------
// Purpose: Handle keys that should cause us to close
//-----------------------------------------------------------------------------
void VideoPanel::OnKeyCodePressed( vgui::KeyCode code )
{
// These keys cause the panel to shutdown
if ( code == KEY_ESCAPE ||
code == KEY_BACKQUOTE ||
code == KEY_SPACE ||
code == KEY_ENTER ||
code == KEY_XBUTTON_A ||
code == KEY_XBUTTON_B ||
code == KEY_XBUTTON_X ||
code == KEY_XBUTTON_Y ||
code == KEY_XBUTTON_START ||
code == KEY_XBUTTON_BACK )
{
OnClose();
}
else
{
BaseClass::OnKeyCodePressed( code );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void VideoPanel::OnClose( void )
{
enginesound->NotifyEndMoviePlayback();
BaseClass::OnClose();
if ( vgui::input()->GetAppModalSurface() == GetVPanel() )
{
vgui::input()->ReleaseAppModalSurface();
}
vgui::surface()->RestrictPaintToSinglePanel( NULL );
// Fire an exit command if we're asked to do so
if ( m_szExitCommand[0] )
{
engine->ClientCmd( m_szExitCommand );
}
SetVisible( false );
MarkForDeletion();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void VideoPanel::GetPanelPos( int &xpos, int &ypos )
{
xpos = ( (float) ( GetWide() - m_nPlaybackWidth ) / 2 );
ypos = ( (float) ( GetTall() - m_nPlaybackHeight ) / 2 );
}
//-----------------------------------------------------------------------------
// Purpose: Update and draw the frame
//-----------------------------------------------------------------------------
void VideoPanel::Paint( void )
{
BaseClass::Paint();
if ( m_VideoMaterial == NULL )
return;
if ( m_VideoMaterial->Update() == false )
{
// Issue a close command
OnVideoOver();
OnClose();
}
// Sit in the "center"
int xpos, ypos;
GetPanelPos( xpos, ypos );
// Black out the background (we could omit drawing under the video surface, but this is straight-forward)
if ( m_bBlackBackground )
{
vgui::surface()->DrawSetColor( 0, 0, 0, 255 );
vgui::surface()->DrawFilledRect( 0, 0, GetWide(), GetTall() );
}
// Draw the polys to draw this out
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
pRenderContext->Bind( m_pMaterial, NULL );
CMeshBuilder meshBuilder;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
float flLeftX = xpos;
float flRightX = xpos + (m_nPlaybackWidth-1);
float flTopY = ypos;
float flBottomY = ypos + (m_nPlaybackHeight-1);
// Map our UVs to cut out just the portion of the video we're interested in
float flLeftU = 0.0f;
float flTopV = 0.0f;
// We need to subtract off a pixel to make sure we don't bleed
float flRightU = m_flU - ( 1.0f / (float) m_nPlaybackWidth );
float flBottomV = m_flV - ( 1.0f / (float) m_nPlaybackHeight );
// Get the current viewport size
int vx, vy, vw, vh;
pRenderContext->GetViewport( vx, vy, vw, vh );
// map from screen pixel coords to -1..1
flRightX = FLerp( -1, 1, 0, vw, flRightX );
flLeftX = FLerp( -1, 1, 0, vw, flLeftX );
flTopY = FLerp( 1, -1, 0, vh ,flTopY );
flBottomY = FLerp( 1, -1, 0, vh, flBottomY );
float alpha = ((float)GetFgColor()[3]/255.0f);
for ( int corner=0; corner<4; corner++ )
{
bool bLeft = (corner==0) || (corner==3);
meshBuilder.Position3f( (bLeft) ? flLeftX : flRightX, (corner & 2) ? flBottomY : flTopY, 0.0f );
meshBuilder.Normal3f( 0.0f, 0.0f, 1.0f );
meshBuilder.TexCoord2f( 0, (bLeft) ? flLeftU : flRightU, (corner & 2) ? flBottomV : flTopV );
meshBuilder.TangentS3f( 0.0f, 1.0f, 0.0f );
meshBuilder.TangentT3f( 1.0f, 0.0f, 0.0f );
meshBuilder.Color4f( 1.0f, 1.0f, 1.0f, alpha );
meshBuilder.AdvanceVertex();
}
meshBuilder.End();
pMesh->Draw();
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PopMatrix();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PopMatrix();
}
//-----------------------------------------------------------------------------
// Purpose: Create and playback a video in a panel
// Input : nWidth - Width of panel (in pixels)
// nHeight - Height of panel
// *pVideoFilename - Name of the file to play
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool VideoPanel_Create( unsigned int nXPos, unsigned int nYPos,
unsigned int nWidth, unsigned int nHeight,
const char *pVideoFilename,
const char *pExitCommand /*= NULL*/)
{
// Create the base video panel
VideoPanel *pVideoPanel = new VideoPanel( nXPos, nYPos, nHeight, nWidth, false );
if ( pVideoPanel == NULL )
return false;
// Set the command we'll call (if any) when the video is interrupted or completes
pVideoPanel->SetExitCommand( pExitCommand );
// Start it going
if ( pVideoPanel->BeginPlayback( pVideoFilename ) == false )
{
delete pVideoPanel;
return false;
}
// Take control
pVideoPanel->DoModal();
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Used to launch a video playback (Debug) -
// user must include file extension
//-----------------------------------------------------------------------------
CON_COMMAND( playvideo, "Plays a video: <filename> [width height]" )
{
if ( args.ArgC() < 2 )
return;
unsigned int nScreenWidth = Q_atoi( args[2] );
unsigned int nScreenHeight = Q_atoi( args[3] );
char strFullpath[MAX_PATH];
Q_strncpy( strFullpath, "media/", MAX_PATH ); // Assume we must play out of the media directory
char strFilename[MAX_PATH];
Q_StripExtension( args[1], strFilename, MAX_PATH );
Q_strncat( strFullpath, args[1], MAX_PATH );
if ( nScreenWidth == 0 )
{
nScreenWidth = ScreenWidth();
}
if ( nScreenHeight == 0 )
{
nScreenHeight = ScreenHeight();
}
// Create the panel and go!
if ( VideoPanel_Create( 0, 0, nScreenWidth, nScreenHeight, strFullpath ) == false )
{
Warning( "Unable to play video: %s\n", strFullpath );
}
}
//-----------------------------------------------------------------------------
// Purpose: Used to launch a video playback and fire a command on completion
//-----------------------------------------------------------------------------
CON_COMMAND( playvideo_exitcommand, "Plays a video and fires and exit command when it is stopped or finishes: <filename> <exit command>" )
{
if ( args.ArgC() < 2 )
return;
unsigned int nScreenWidth = ScreenWidth();
unsigned int nScreenHeight = ScreenHeight();
char strFullpath[MAX_PATH];
Q_strncpy( strFullpath, "media/", MAX_PATH ); // Assume we must play out of the media directory
char strFilename[MAX_PATH];
Q_StripExtension( args[1], strFilename, MAX_PATH );
Q_strncat( strFullpath, args[1], MAX_PATH );
char *pExitCommand = Q_strstr( args.GetCommandString(), args[2] );
// Create the panel and go!
if ( VideoPanel_Create( 0, 0, nScreenWidth, nScreenHeight, strFullpath, pExitCommand ) == false )
{
Warning( "Unable to play video: %s\n", strFullpath );
engine->ClientCmd( pExitCommand );
}
}