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game/client/vgui_entitypanel.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: This is a panel which is rendered on top of an entity
+//
+// $Revision: $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef VGUI_ENTITYPANEL_H
+#define VGUI_ENTITYPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "c_baseentity.h"
+#include <vgui/MouseCode.h>
+#include "vgui_basepanel.h"
+
+// forward declarations
+class KeyValues;
+
+
+//-----------------------------------------------------------------------------
+// This is a base class for a panel which always is rendered on top of an entity
+//-----------------------------------------------------------------------------
+class CEntityPanel : public CBasePanel
+{
+public:
+	DECLARE_CLASS( CEntityPanel, CBasePanel );
+
+	// constructor
+	CEntityPanel( vgui::Panel *pParent, const char *panelName );
+
+	virtual void	ComputeParent( void );
+	virtual void	ComputeAndSetSize( void );
+
+	// Initialize from key values
+	bool Init( KeyValues* pKeyValues, C_BaseEntity* pEntity );
+
+	// Determine where our entity is in screen space.
+	void GetEntityPosition( int& sx, int& sy );
+
+	// Base implementation of ShouldDraw
+	bool ShouldDraw();
+
+	// called when we're ticked (updates our position)...
+	virtual void OnTick( void );
+
+	virtual void OnCursorEntered();
+	virtual void OnCursorExited();
+
+	const char *GetMouseOverText( void );
+
+	C_BaseEntity* GetEntity() { return (C_BaseEntity*)m_pBaseEntity; }
+
+	// Attach to a new entity
+	void	SetEntity( C_BaseEntity* pEntity );
+
+public:
+	enum
+	{
+		MAX_ENTITY_MOUSEOVER = 256
+	};
+
+	// Offset from entity that we should draw
+	int m_OffsetX, m_OffsetY;
+
+	char			m_szMouseOverText[ MAX_ENTITY_MOUSEOVER ];
+
+	bool			m_bShowInNormal;
+
+	int				m_iOrgWidth;
+	int				m_iOrgHeight;
+	int				m_iOrgOffsetX;
+	int				m_iOrgOffsetY;
+	float			m_flScale;
+
+private:
+	// This is the entity to which we're attached
+	EHANDLE			m_pBaseEntity;
+};
+
+#endif //  VGUI_ENTITYPANEL_H