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vgui2/game_controls/graphicgroup.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef GRAPHICGROUP_H
+#define GRAPHICGROUP_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "dmxloader/dmxelement.h"
+#include "tier1/utlvector.h"
+#include "tier1/utldict.h"
+#include "gamegraphic.h"
+#include "hitarea.h"
+
+
+//-----------------------------------------------------------------------------
+// A class that holds a group of graphics.
+//-----------------------------------------------------------------------------
+class CGraphicGroup : public CGameGraphic 
+{
+	DECLARE_DMXELEMENT_UNPACK()
+
+public:
+
+	CGraphicGroup();
+	virtual ~CGraphicGroup();
+
+	bool Unserialize( CDmxElement *pElement, CUtlDict< CGameGraphic *, int > &unserializedGraphicMapping );
+
+
+	virtual void UpdateGeometry();
+	void UpdateRenderData( color32 parentColor );
+	virtual void UpdateRenderTransforms( const StageRenderInfo_t &stageRenderInfo );
+
+	color32 GetResultantColor() const { return m_ResultantColor; } // needed by group children.
+	virtual void GetRenderTransform( matrix3x4_t &relToScreen, bool bMaintainAspectRatio ) const; // needed by group children.
+
+	void AddToGroup( CGameGraphic *pGraphic );
+	void RemoveFromGroup( CGameGraphic *pGraphic );
+
+	// From GameGraphic
+
+	virtual bool HasState( const char *pStateName );
+	virtual void SetState( const char *pStateName );
+	virtual void StartPlaying();
+	virtual void StopPlaying();
+	virtual void AdvanceState();
+
+	virtual bool IsGroup() const { return true; } 
+	virtual bool IsStageGroup()const { return false; }
+
+	CHitArea *GetKeyFocusRequestGraphic();
+
+	virtual CGameGraphic *FindGraphicByName( const char *pName ) const;
+
+	virtual void SetVisible( bool bVisible );
+
+	bool MaintainAspectRatio() const;
+
+
+protected:
+
+	CUtlVector< CGameGraphic * > m_MemberList;
+	color32 m_ResultantColor;
+
+private:
+
+	matrix3x4_t m_RelToScreenHoldAspectRatio;
+	
+};
+
+
+#endif // GRAPHICGROUP_H