graph.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */
 
#ifndef ENGINE_CLIENT_GRAPH_H
#define ENGINE_CLIENT_GRAPH_H
 
#include <base/color.h>
 
#include <engine/shared/ringbuffer.h>
 
#include <cstddef>
 
class IGraphics;
class ITextRender;
 
class CGraph
{
private:
    struct SEntry
    {
        int64_t m_Time;
        float m_Value;
        ColorRGBA m_Color;
        bool m_ApplyColor;
    };
    SEntry *m_pFirstScaled = nullptr;
    int64_t m_RenderedTotalTime = 0;
    float m_Min, m_Max;
    float m_MinRange, m_MaxRange;
    CDynamicRingBuffer<SEntry> m_Entries;
 
public:
    CGraph(int MaxEntries);
 
    void Init(float Min, float Max);
    void SetMin(float Min);
    void SetMax(float Max);
 
    void Scale(int64_t WantedTotalTime);
    void Add(float Value, ColorRGBA Color = ColorRGBA(1.0f, 1.0f, 1.0f, 0.75f));
    void InsertAt(int64_t Time, float Value, ColorRGBA Color = ColorRGBA(1.0f, 1.0f, 1.0f, 0.75f));
    void Render(IGraphics *pGraphics, ITextRender *pTextRender, float x, float y, float w, float h, const char *pDescription);
};
 
#endif