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common/vgui/vgui_basebudgetpanel.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef VGUI_BASEBUDGETPANEL_H
+#define VGUI_BASEBUDGETPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include <vgui_controls/Frame.h>
+#include <vgui/IScheme.h>
+#include "vgui_budgethistorypanel.h"
+#include "vgui_budgetbargraphpanel.h"
+#include "utlsymbol.h"
+//#include "hudelement.h"
+
+
+#define BUDGET_HISTORY_COUNT 1024
+
+class CBudgetGroupInfo
+{
+public:
+	CUtlSymbol m_Name;
+	Color m_Color;
+};
+
+// Derived classes supply this configuration data with OnConfigDataChanged.
+class CBudgetPanelConfigData
+{
+public:
+	// NOTE: nothing can ever be removed from this list once you've called 
+	// OnConfigDataChanged. Elements can only be added to it.
+	CUtlVector<CBudgetGroupInfo> m_BudgetGroupInfo;
+
+	float m_flHistoryRange;
+	float m_flBottomOfHistoryFraction;
+	CUtlVector<float> m_HistoryLabelValues;	// A label will be placed at each of these values.
+
+	// How much range the bar graph represents.
+	float m_flBarGraphRange;
+
+	// Controls how many labels are shown.
+	float m_flTimeLabelInterval;
+	int m_nLinesPerTimeLabel;	// How many vertical lines per time label?
+
+	// How translucent is the background.
+	float m_flBackgroundAlpha; 
+
+	// Where to position it on the screen.
+	int m_xCoord;
+	int m_yCoord;
+	int m_Width;
+	int m_Height;
+};
+
+
+class CBaseBudgetPanel : public vgui::Panel
+{
+	typedef vgui::Panel BaseClass;
+
+public:
+	CBaseBudgetPanel( vgui::Panel *pParent, const char *pElementName );
+	~CBaseBudgetPanel();
+
+	// This should be called when starting up and whenever this data changes.
+	void OnConfigDataChanged( const CBudgetPanelConfigData &data );
+
+	// Call this to reset everything.
+	virtual void ResetAll();
+
+	// The derived class should implement this and set the text in the time labels.
+	virtual void SetTimeLabelText() {}
+	virtual void SetHistoryLabelText() {}
+
+	virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
+	virtual void Paint();
+	virtual void PaintBackground();
+	virtual void PerformLayout();
+	void MarkAsDedicatedServer() { m_bDedicated = true; } // plays nicer as part of a vgui window setup
+	bool IsDedicated() const { return m_bDedicated; }
+
+	const double *GetBudgetGroupData( int &nGroups, int &nSamplesPerGroup, int &nSampleOffset ) const;
+	
+	void GetGraphLabelScreenSpaceTopAndBottom( int id, int &top, int &bottom );
+
+	// What percentage is the specified value of the (bargraph) range?
+	float GetBudgetGroupPercent( float value );
+
+	// Get the current config data.
+	const CBudgetPanelConfigData& GetConfigData() const;
+
+	// Returns the number of budget groups in the last OnConfigDataChanged call.
+	int GetNumCachedBudgetGroups() const;
+
+	// (Used by dedicated server, mark everything for a repaint).
+	void MarkForFullRepaint();
+
+protected:
+	void UpdateWindowGeometry();
+	void ClearTimesForAllGroupsForThisFrame( void );
+	void ClearAllTimesForGroup( int groupID );
+	void Rebuild( const CBudgetPanelConfigData &data );
+	
+protected:
+	int m_BudgetHistoryOffset;
+
+	// This defines all the positioning, label names, etc.
+	CBudgetPanelConfigData m_ConfigData;
+	
+	CUtlVector<vgui::Label *> m_GraphLabels;
+	CUtlVector<vgui::Label *> m_TimeLabels;
+	CUtlVector<vgui::Label *> m_HistoryLabels;
+	
+	CBudgetHistoryPanel *m_pBudgetHistoryPanel;
+	CBudgetBarGraphPanel *m_pBudgetBarGraphPanel;
+
+	struct BudgetGroupTimeData_t
+	{
+		double m_Time[BUDGET_HISTORY_COUNT];
+	};
+	CUtlVector<BudgetGroupTimeData_t> m_BudgetGroupTimes; // [m_CachedNumBudgetGroups][BUDGET_HISTORY_COUNT]
+	int m_CachedNumTimeLabels;
+	vgui::HFont		m_hFont;
+
+	bool m_bDedicated;
+};
+
+
+inline const CBudgetPanelConfigData& CBaseBudgetPanel::GetConfigData() const
+{
+	return m_ConfigData;
+}
+
+inline int CBaseBudgetPanel::GetNumCachedBudgetGroups() const
+{
+	return m_ConfigData.m_BudgetGroupInfo.Count();
+}
+
+
+#endif // VGUI_BASEBUDGETPANEL_H