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: Implements the big scary boom-boom machine Antlions fear.
//
//=============================================================================//
#include "cbase.h"
#include "EnvMessage.h"
#include "fmtstr.h"
#include "vguiscreen.h"
#include "filesystem.h"
#define SLIDESHOW_LIST_BUFFER_MAX 8192
struct SlideKeywordList_t
{
char szSlideKeyword[64];
};
class CSlideshowDisplay : public CBaseEntity
{
public:
DECLARE_CLASS( CSlideshowDisplay, CBaseEntity );
DECLARE_DATADESC();
DECLARE_SERVERCLASS();
virtual ~CSlideshowDisplay();
virtual bool KeyValue( const char *szKeyName, const char *szValue );
virtual int UpdateTransmitState();
virtual void SetTransmit( CCheckTransmitInfo *pInfo, bool bAlways );
virtual void Spawn( void );
virtual void Precache( void );
virtual void OnRestore( void );
void ScreenVisible( bool bVisible );
void Disable( void );
void Enable( void );
void InputDisable( inputdata_t &inputdata );
void InputEnable( inputdata_t &inputdata );
void InputSetDisplayText( inputdata_t &inputdata );
void InputRemoveAllSlides( inputdata_t &inputdata );
void InputAddSlides( inputdata_t &inputdata );
void InputSetMinSlideTime( inputdata_t &inputdata );
void InputSetMaxSlideTime( inputdata_t &inputdata );
void InputSetCycleType( inputdata_t &inputdata );
void InputSetNoListRepeats( inputdata_t &inputdata );
private:
// Control panel
void GetControlPanelInfo( int nPanelIndex, const char *&pPanelName );
void GetControlPanelClassName( int nPanelIndex, const char *&pPanelName );
void SpawnControlPanels( void );
void RestoreControlPanels( void );
void BuildSlideShowImagesList( void );
private:
CNetworkVar( bool, m_bEnabled );
CNetworkString( m_szDisplayText, 128 );
CNetworkString( m_szSlideshowDirectory, 128 );
string_t m_String_tSlideshowDirectory;
CUtlVector<SlideKeywordList_t*> m_SlideKeywordList;
CNetworkArray( unsigned char, m_chCurrentSlideLists, 16 );
CNetworkVar( float, m_fMinSlideTime );
CNetworkVar( float, m_fMaxSlideTime );
CNetworkVar( int, m_iCycleType );
CNetworkVar( bool, m_bNoListRepeats );
int m_iScreenWidth;
int m_iScreenHeight;
bool m_bDoFullTransmit;
typedef CHandle<CVGuiScreen> ScreenHandle_t;
CUtlVector<ScreenHandle_t> m_hScreens;
};
LINK_ENTITY_TO_CLASS( vgui_slideshow_display, CSlideshowDisplay );
//-----------------------------------------------------------------------------
// Save/load
//-----------------------------------------------------------------------------
BEGIN_DATADESC( CSlideshowDisplay )
DEFINE_FIELD( m_bEnabled, FIELD_BOOLEAN ),
DEFINE_AUTO_ARRAY_KEYFIELD( m_szDisplayText, FIELD_CHARACTER, "displaytext" ),
DEFINE_AUTO_ARRAY( m_szSlideshowDirectory, FIELD_CHARACTER ),
DEFINE_KEYFIELD( m_String_tSlideshowDirectory, FIELD_STRING, "directory" ),
// DEFINE_FIELD( m_SlideKeywordList, CUtlVector < SlideKeywordList_t* > ),
DEFINE_AUTO_ARRAY( m_chCurrentSlideLists, FIELD_CHARACTER ),
DEFINE_KEYFIELD( m_fMinSlideTime, FIELD_FLOAT, "minslidetime" ),
DEFINE_KEYFIELD( m_fMaxSlideTime, FIELD_FLOAT, "maxslidetime" ),
DEFINE_KEYFIELD( m_iCycleType, FIELD_INTEGER, "cycletype" ),
DEFINE_KEYFIELD( m_bNoListRepeats, FIELD_BOOLEAN, "nolistrepeats" ),
DEFINE_KEYFIELD( m_iScreenWidth, FIELD_INTEGER, "width" ),
DEFINE_KEYFIELD( m_iScreenHeight, FIELD_INTEGER, "height" ),
//DEFINE_FIELD( m_bDoFullTransmit, FIELD_BOOLEAN ),
//DEFINE_UTLVECTOR( m_hScreens, FIELD_EHANDLE ),
DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
DEFINE_INPUTFUNC( FIELD_STRING, "SetDisplayText", InputSetDisplayText ),
DEFINE_INPUTFUNC( FIELD_VOID, "RemoveAllSlides", InputRemoveAllSlides ),
DEFINE_INPUTFUNC( FIELD_STRING, "AddSlides", InputAddSlides ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetMinSlideTime", InputSetMinSlideTime ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetMaxSlideTime", InputSetMaxSlideTime ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetCycleType", InputSetCycleType ),
DEFINE_INPUTFUNC( FIELD_BOOLEAN, "SetNoListRepeats", InputSetNoListRepeats ),
END_DATADESC()
IMPLEMENT_SERVERCLASS_ST( CSlideshowDisplay, DT_SlideshowDisplay )
SendPropBool( SENDINFO(m_bEnabled) ),
SendPropString( SENDINFO( m_szDisplayText ) ),
SendPropString( SENDINFO( m_szSlideshowDirectory ) ),
SendPropArray3( SENDINFO_ARRAY3(m_chCurrentSlideLists), SendPropInt( SENDINFO_ARRAY(m_chCurrentSlideLists), 8, SPROP_UNSIGNED ) ),
SendPropFloat( SENDINFO(m_fMinSlideTime), 11, 0, 0.0f, 20.0f ),
SendPropFloat( SENDINFO(m_fMaxSlideTime), 11, 0, 0.0f, 20.0f ),
SendPropInt( SENDINFO(m_iCycleType), 2, SPROP_UNSIGNED ),
SendPropBool( SENDINFO(m_bNoListRepeats) ),
END_SEND_TABLE()
CSlideshowDisplay::~CSlideshowDisplay()
{
int i;
// Kill the control panels
for ( i = m_hScreens.Count(); --i >= 0; )
{
DestroyVGuiScreen( m_hScreens[i].Get() );
}
m_hScreens.RemoveAll();
}
//-----------------------------------------------------------------------------
// Read in worldcraft data...
//-----------------------------------------------------------------------------
bool CSlideshowDisplay::KeyValue( const char *szKeyName, const char *szValue )
{
//!! temp hack, until worldcraft is fixed
// strip the # tokens from (duplicate) key names
char *s = (char *)strchr( szKeyName, '#' );
if ( s )
{
*s = '\0';
}
// NOTE: Have to do these separate because they set two values instead of one
if( FStrEq( szKeyName, "angles" ) )
{
Assert( GetMoveParent() == NULL );
QAngle angles;
UTIL_StringToVector( angles.Base(), szValue );
// Because the vgui screen basis is strange (z is front, y is up, x is right)
// we need to rotate the typical basis before applying it
VMatrix mat, rotation, tmp;
MatrixFromAngles( angles, mat );
MatrixBuildRotationAboutAxis( rotation, Vector( 0, 1, 0 ), 90 );
MatrixMultiply( mat, rotation, tmp );
MatrixBuildRotateZ( rotation, 90 );
MatrixMultiply( tmp, rotation, mat );
MatrixToAngles( mat, angles );
SetAbsAngles( angles );
return true;
}
return BaseClass::KeyValue( szKeyName, szValue );
}
int CSlideshowDisplay::UpdateTransmitState()
{
if ( m_bDoFullTransmit )
{
m_bDoFullTransmit = false;
return SetTransmitState( FL_EDICT_ALWAYS );
}
return SetTransmitState( FL_EDICT_FULLCHECK );
}
void CSlideshowDisplay::SetTransmit( CCheckTransmitInfo *pInfo, bool bAlways )
{
// Are we already marked for transmission?
if ( pInfo->m_pTransmitEdict->Get( entindex() ) )
return;
BaseClass::SetTransmit( pInfo, bAlways );
// Force our screens to be sent too.
for ( int i=0; i < m_hScreens.Count(); i++ )
{
CVGuiScreen *pScreen = m_hScreens[i].Get();
pScreen->SetTransmit( pInfo, bAlways );
}
}
void CSlideshowDisplay::Spawn( void )
{
Q_strcpy( m_szSlideshowDirectory.GetForModify(), m_String_tSlideshowDirectory.ToCStr() );
Precache();
BaseClass::Spawn();
m_bEnabled = false;
// Clear out selected list
m_chCurrentSlideLists.GetForModify( 0 ) = 0; // Select all slides to begin with
for ( int i = 1; i < 16; ++i )
m_chCurrentSlideLists.GetForModify( i ) = (unsigned char)-1;
SpawnControlPanels();
ScreenVisible( m_bEnabled );
m_bDoFullTransmit = true;
}
void CSlideshowDisplay::Precache( void )
{
BaseClass::Precache();
BuildSlideShowImagesList();
PrecacheVGuiScreen( "slideshow_display_screen" );
}
void CSlideshowDisplay::OnRestore( void )
{
BaseClass::OnRestore();
BuildSlideShowImagesList();
RestoreControlPanels();
ScreenVisible( m_bEnabled );
}
void CSlideshowDisplay::ScreenVisible( bool bVisible )
{
for ( int iScreen = 0; iScreen < m_hScreens.Count(); ++iScreen )
{
CVGuiScreen *pScreen = m_hScreens[ iScreen ].Get();
if ( bVisible )
pScreen->RemoveEffects( EF_NODRAW );
else
pScreen->AddEffects( EF_NODRAW );
}
}
void CSlideshowDisplay::Disable( void )
{
if ( !m_bEnabled )
return;
m_bEnabled = false;
ScreenVisible( false );
}
void CSlideshowDisplay::Enable( void )
{
if ( m_bEnabled )
return;
m_bEnabled = true;
ScreenVisible( true );
}
void CSlideshowDisplay::InputDisable( inputdata_t &inputdata )
{
Disable();
}
void CSlideshowDisplay::InputEnable( inputdata_t &inputdata )
{
Enable();
}
void CSlideshowDisplay::InputSetDisplayText( inputdata_t &inputdata )
{
Q_strcpy( m_szDisplayText.GetForModify(), inputdata.value.String() );
}
void CSlideshowDisplay::InputRemoveAllSlides( inputdata_t &inputdata )
{
// Clear out selected list
for ( int i = 0; i < 16; ++i )
m_chCurrentSlideLists.GetForModify( i ) = (unsigned char)-1;
}
void CSlideshowDisplay::InputAddSlides( inputdata_t &inputdata )
{
// Find the list with the current keyword
int iList;
for ( iList = 0; iList < m_SlideKeywordList.Count(); ++iList )
{
if ( Q_strcmp( m_SlideKeywordList[ iList ]->szSlideKeyword, inputdata.value.String() ) == 0 )
break;
}
if ( iList < m_SlideKeywordList.Count() )
{
// Found the keyword list, so add this index to the selected lists
int iNumCurrentSlideLists;
for ( iNumCurrentSlideLists = 0; iNumCurrentSlideLists < 16; ++iNumCurrentSlideLists )
{
if ( m_chCurrentSlideLists[ iNumCurrentSlideLists ] == (unsigned char)-1 )
break;
}
if ( iNumCurrentSlideLists >= 16 )
return;
m_chCurrentSlideLists.GetForModify( iNumCurrentSlideLists ) = iList;
}
}
void CSlideshowDisplay::InputSetMinSlideTime( inputdata_t &inputdata )
{
m_fMinSlideTime = inputdata.value.Float();
}
void CSlideshowDisplay::InputSetMaxSlideTime( inputdata_t &inputdata )
{
m_fMaxSlideTime = inputdata.value.Float();
}
void CSlideshowDisplay::InputSetCycleType( inputdata_t &inputdata )
{
m_iCycleType = inputdata.value.Int();
}
void CSlideshowDisplay::InputSetNoListRepeats( inputdata_t &inputdata )
{
m_bNoListRepeats = inputdata.value.Bool();
}
void CSlideshowDisplay::GetControlPanelInfo( int nPanelIndex, const char *&pPanelName )
{
pPanelName = "slideshow_display_screen";
}
void CSlideshowDisplay::GetControlPanelClassName( int nPanelIndex, const char *&pPanelName )
{
pPanelName = "vgui_screen";
}
//-----------------------------------------------------------------------------
// This is called by the base object when it's time to spawn the control panels
//-----------------------------------------------------------------------------
void CSlideshowDisplay::SpawnControlPanels()
{
int nPanel;
for ( nPanel = 0; true; ++nPanel )
{
const char *pScreenName;
GetControlPanelInfo( nPanel, pScreenName );
if (!pScreenName)
continue;
const char *pScreenClassname;
GetControlPanelClassName( nPanel, pScreenClassname );
if ( !pScreenClassname )
continue;
float flWidth = m_iScreenWidth;
float flHeight = m_iScreenHeight;
CVGuiScreen *pScreen = CreateVGuiScreen( pScreenClassname, pScreenName, this, this, -1 );
pScreen->ChangeTeam( GetTeamNumber() );
pScreen->SetActualSize( flWidth, flHeight );
pScreen->SetActive( true );
pScreen->MakeVisibleOnlyToTeammates( false );
pScreen->SetTransparency( true );
int nScreen = m_hScreens.AddToTail( );
m_hScreens[nScreen].Set( pScreen );
return;
}
}
void CSlideshowDisplay::RestoreControlPanels( void )
{
int nPanel;
for ( nPanel = 0; true; ++nPanel )
{
const char *pScreenName;
GetControlPanelInfo( nPanel, pScreenName );
if (!pScreenName)
continue;
const char *pScreenClassname;
GetControlPanelClassName( nPanel, pScreenClassname );
if ( !pScreenClassname )
continue;
CVGuiScreen *pScreen = (CVGuiScreen *)gEntList.FindEntityByClassname( NULL, pScreenClassname );
while ( ( pScreen && pScreen->GetOwnerEntity() != this ) || Q_strcmp( pScreen->GetPanelName(), pScreenName ) != 0 )
{
pScreen = (CVGuiScreen *)gEntList.FindEntityByClassname( pScreen, pScreenClassname );
}
if ( pScreen )
{
int nScreen = m_hScreens.AddToTail( );
m_hScreens[nScreen].Set( pScreen );
pScreen->SetActive( true );
}
return;
}
}
void CSlideshowDisplay::BuildSlideShowImagesList( void )
{
FileFindHandle_t matHandle;
char szDirectory[_MAX_PATH];
char szMatFileName[_MAX_PATH] = {'\0'};
char szFileBuffer[ SLIDESHOW_LIST_BUFFER_MAX ];
char *pchCurrentLine = NULL;
if ( IsX360() )
{
Q_snprintf( szDirectory, sizeof( szDirectory ), "materials/vgui/%s/slides.txt", m_szSlideshowDirectory.Get() );
FileHandle_t fh = g_pFullFileSystem->Open( szDirectory, "rt" );
if ( !fh )
{
DevWarning( "Couldn't read slideshow image file %s!", szDirectory );
return;
}
int iFileSize = MIN( g_pFullFileSystem->Size( fh ), SLIDESHOW_LIST_BUFFER_MAX );
int iBytesRead = g_pFullFileSystem->Read( szFileBuffer, iFileSize, fh );
g_pFullFileSystem->Close( fh );
// Ensure we don't write outside of our buffer
if ( iBytesRead > iFileSize )
iBytesRead = iFileSize;
szFileBuffer[ iBytesRead ] = '\0';
pchCurrentLine = szFileBuffer;
// Seek to end of first line
char *pchNextLine = pchCurrentLine;
while ( *pchNextLine != '\0' && *pchNextLine != '\n' && *pchNextLine != ' ' )
++pchNextLine;
if ( *pchNextLine != '\0' )
{
// Mark end of string
*pchNextLine = '\0';
// Seek to start of next string
++pchNextLine;
while ( *pchNextLine != '\0' && ( *pchNextLine == '\n' || *pchNextLine == ' ' ) )
++pchNextLine;
}
Q_strncpy( szMatFileName, pchCurrentLine, sizeof(szMatFileName) );
pchCurrentLine = pchNextLine;
}
else
{
Q_snprintf( szDirectory, sizeof( szDirectory ), "materials/vgui/%s/*.vmt", m_szSlideshowDirectory.Get() );
const char *pMatFileName = g_pFullFileSystem->FindFirst( szDirectory, &matHandle );
if ( pMatFileName )
Q_strncpy( szMatFileName, pMatFileName, sizeof(szMatFileName) );
}
int iSlideIndex = 0;
while ( szMatFileName[ 0 ] )
{
char szFileName[_MAX_PATH];
Q_snprintf( szFileName, sizeof( szFileName ), "vgui/%s/%s", m_szSlideshowDirectory.Get(), szMatFileName );
szFileName[ Q_strlen( szFileName ) - 4 ] = '\0';
PrecacheMaterial( szFileName );
// Get material keywords
char szFullFileName[_MAX_PATH];
Q_snprintf( szFullFileName, sizeof( szFullFileName ), "materials/vgui/%s/%s", m_szSlideshowDirectory.Get(), szMatFileName );
KeyValues *pMaterialKeys = new KeyValues( "material" );
bool bLoaded = pMaterialKeys->LoadFromFile( g_pFullFileSystem, szFullFileName, NULL );
if ( bLoaded )
{
char szKeywords[ 256 ] = {0};
V_strcpy_safe( szKeywords, pMaterialKeys->GetString( "%keywords", "" ) );
char *pchKeyword = szKeywords;
while ( pchKeyword[ 0 ] != '\0' )
{
char *pNextKeyword = pchKeyword;
// Skip commas and spaces
while ( pNextKeyword[ 0 ] != '\0' && pNextKeyword[ 0 ] != ',' )
++pNextKeyword;
if ( pNextKeyword[ 0 ] != '\0' )
{
pNextKeyword[ 0 ] = '\0';
++pNextKeyword;
while ( pNextKeyword[ 0 ] != '\0' && ( pNextKeyword[ 0 ] == ',' || pNextKeyword[ 0 ] == ' ' ) )
++pNextKeyword;
}
// Find the list with the current keyword
int iList;
for ( iList = 0; iList < m_SlideKeywordList.Count(); ++iList )
{
if ( Q_strcmp( m_SlideKeywordList[ iList ]->szSlideKeyword, pchKeyword ) == 0 )
break;
}
if ( iList >= m_SlideKeywordList.Count() )
{
// Couldn't find the list, so create it
iList = m_SlideKeywordList.AddToTail( new SlideKeywordList_t );
V_strcpy_safe( m_SlideKeywordList[iList]->szSlideKeyword, pchKeyword );
}
pchKeyword = pNextKeyword;
}
}
// Find the generic list
int iList;
for ( iList = 0; iList < m_SlideKeywordList.Count(); ++iList )
{
if ( Q_strcmp( m_SlideKeywordList[ iList ]->szSlideKeyword, "" ) == 0 )
break;
}
if ( iList >= m_SlideKeywordList.Count() )
{
// Couldn't find the generic list, so create it
iList = m_SlideKeywordList.AddToHead( new SlideKeywordList_t );
V_strcpy_safe( m_SlideKeywordList[iList]->szSlideKeyword, "" );
}
if ( IsX360() )
{
// Seek to end of first line
char *pchNextLine = pchCurrentLine;
while ( *pchNextLine != '\0' && *pchNextLine != '\n' && *pchNextLine != ' ' )
++pchNextLine;
if ( *pchNextLine != '\0' )
{
// Mark end of string
*pchNextLine = '\0';
// Seek to start of next string
++pchNextLine;
while ( *pchNextLine != '\0' && ( *pchNextLine == '\n' || *pchNextLine == ' ' ) )
++pchNextLine;
}
Q_strncpy( szMatFileName, pchCurrentLine, sizeof(szMatFileName) );
pchCurrentLine = pchNextLine;
}
else
{
const char *pMatFileName = g_pFullFileSystem->FindNext( matHandle );
if ( pMatFileName )
Q_strncpy( szMatFileName, pMatFileName, sizeof(szMatFileName) );
else
szMatFileName[ 0 ] = '\0';
}
++iSlideIndex;
}
if ( !IsX360() )
{
g_pFullFileSystem->FindClose( matHandle );
}
}