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public/sfmobjects/sfmsession.h

@@ -0,0 +1,170 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// A class representing session state for the SFM
+//
+//=============================================================================
+
+#ifndef SFMSESSION_H
+#define SFMSESSION_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "datamodel/dmehandle.h"
+#include "datamodel/dmelement.h"
+#include "tier1/utlvector.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CDmElement;
+class CDmeFilmClip;
+class CDmeClip;
+struct studiohdr_t;
+class Vector;
+class Quaternion;
+class CDmeGameModel;
+class CDmeCamera;
+class CDmeDag;
+class CDmeAnimationSet;
+
+
+//-----------------------------------------------------------------------------
+// Camera creation paramaters
+//-----------------------------------------------------------------------------
+struct DmeCameraParams_t
+{
+	DmeCameraParams_t() : fov( 90.0f )
+	{
+		name[ 0 ] = 0;
+		origin.Init();
+		angles.Init();
+	}
+
+	DmeCameraParams_t( const char *pszName ) : fov( 90.0f )
+	{
+		Q_strncpy( name, pszName ? pszName : "", sizeof( name ) );
+		origin.Init();
+		angles.Init();
+	}
+
+	DmeCameraParams_t( const char *pszName, const Vector &org, const QAngle &ang ) :
+		fov( 90.0f ), origin( org ), angles( ang )
+	{
+		Q_strncpy( name, pszName ? pszName : "", sizeof( name ) );
+	}
+
+	char	name[ 128 ];
+
+	Vector	origin;
+	QAngle	angles;
+
+	float	fov;
+};
+
+
+//-----------------------------------------------------------------------------
+// A class representing the SFM Session
+// FIXME: Should this be a dmelement? Maybe!
+//-----------------------------------------------------------------------------
+class CSFMSession
+{
+public:
+	CSFMSession();
+
+	// Creates a new (empty) session
+	void Init();
+	void Shutdown();
+
+	// Creates session settings
+	void CreateSessionSettings();
+
+	// Gets/sets the root
+	CDmElement *Root();
+	const CDmElement *Root() const;
+	void SetRoot( CDmElement *pRoot );
+
+	// Methods to get at session settings
+	template< class T > const T&	GetSettings( const char *pSettingName ) const;
+	CDmAttribute *					GetSettingsAttribute( const char *pSettingName, DmAttributeType_t type );
+	template< class E > E*			GetSettingsElement( const char *pSettingName ) const;
+	template< class T > void		SetSettings( const char *pSettingName, const T& value );
+
+	// Creates a game model
+	CDmeGameModel *CreateEditorGameModel( studiohdr_t *hdr, const Vector &vecOrigin, Quaternion &qOrientation );
+
+	// Creates a camera
+	CDmeCamera *CreateCamera( const DmeCameraParams_t& params );
+
+	// Finds or creates a scene
+	CDmeDag *FindOrCreateScene( CDmeFilmClip *pShot, const char *pSceneName );
+
+private:
+	void CreateRenderSettings( CDmElement *pSettings, float flLegacyFramerate );
+	void CreateProgressiveRefinementSettings( CDmElement *pRenderSettings );
+
+	CDmeHandle< CDmElement > m_hRoot;
+//	CDmeHandle< CDmeFilmClip >				m_hCurrentMovie;
+//	CUtlVector< CDmeHandle< CDmeClip > >	m_hClipStack;
+//	CUtlVector< CDmeHandle< CDmeClip > >	m_hSelectedClip[ NUM_SELECTION_TYPES ];
+};
+
+
+//-----------------------------------------------------------------------------
+// Inline methods
+//-----------------------------------------------------------------------------
+inline CDmElement *CSFMSession::Root()
+{
+	return m_hRoot;
+}
+
+inline const CDmElement *CSFMSession::Root() const
+{
+	return m_hRoot;
+}
+
+
+//-----------------------------------------------------------------------------
+// Method to get at various settings
+//-----------------------------------------------------------------------------
+template< class T >
+inline const T& CSFMSession::GetSettings( const char *pSettingName ) const
+{
+	CDmElement *pSettings = m_hRoot.Get() ? m_hRoot->GetValueElement< CDmElement >( "settings" ) : NULL;
+	if ( pSettings )
+		return pSettings->GetValue< T >( pSettingName );
+
+	static T defaultVal;
+	CDmAttributeInfo<T>::SetDefaultValue( defaultVal );
+	return defaultVal;
+}
+
+inline CDmAttribute *CSFMSession::GetSettingsAttribute( const char *pSettingName, DmAttributeType_t type )
+{
+	CDmElement *pSettings = m_hRoot.Get() ? m_hRoot->GetValueElement< CDmElement >( "settings" ) : NULL;
+	if ( pSettings )
+		return pSettings->GetAttribute( pSettingName, type );
+	return NULL;
+}
+
+template< class T > 
+inline void CSFMSession::SetSettings( const char *pSettingName, const T& value )
+{
+	CDmElement *pSettings = m_hRoot.Get() ? m_hRoot->GetValueElement< CDmElement >( "settings" ) : NULL;
+	if ( pSettings )
+	{
+		pSettings->SetValue( pSettingName, value );
+	}
+}
+
+template< class E >
+inline E* CSFMSession::GetSettingsElement( const char *pSettingName ) const
+{
+	CDmElement *pSettings = m_hRoot->GetValueElement< CDmElement >( "settings" );
+	return pSettings ? pSettings->GetValueElement< E >( pSettingName ) : NULL;
+}
+
+
+#endif // SFMSESSION_H