Recast navigation

libs/recastnavigation/RecastDemo/Include/ValueHistory.h

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+#ifndef VALUEHISTORY_H
+#define VALUEHISTORY_H
+
+class ValueHistory
+{
+	static const int MAX_HISTORY = 256;
+	float m_samples[MAX_HISTORY];
+	int m_hsamples;
+public:
+	ValueHistory();
+
+	inline void addSample(const float val)
+	{
+		m_hsamples = (m_hsamples+MAX_HISTORY-1) % MAX_HISTORY;
+		m_samples[m_hsamples] = val;
+	}
+	
+	inline int getSampleCount() const
+	{
+		return MAX_HISTORY;
+	}
+	
+	inline float getSample(const int i) const
+	{
+		return m_samples[(m_hsamples+i) % MAX_HISTORY];
+	}
+	
+	float getSampleMin() const;
+	float getSampleMax() const;
+	float getAverage() const;
+};
+
+struct GraphParams
+{
+	void setRect(int ix, int iy, int iw, int ih, int ipad);
+	void setValueRange(float ivmin, float ivmax, int indiv, const char* iunits);
+	
+	int x, y, w, h, pad;
+	float vmin, vmax;
+	int ndiv;
+	char units[16];
+};
+
+void drawGraphBackground(const GraphParams* p);
+
+void drawGraph(const GraphParams* p, const ValueHistory* graph,
+			   int idx, const char* label, const unsigned int col);
+
+
+#endif // VALUEHISTORY_H