HomeScenePanel.h

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#pragma once
 
#include <wx/panel.h>
#include <wx/bmpbndl.h>
#include <wx/bitmap.h>
#include <wx/timer.h>
#include <wx/string.h>
#include <wx/colour.h>
#include <RumPi/Data/SelectedSensorReadings.h>
 
class wxGraphicsContext;
class wxPaintDC;
 
class HomeScenePanel : public wxPanel
{
protected:
    //Overlay/pill positions are authored in the SVG's 1920x1080 space and scaled to the real panel; the
    //kiosk is 16:9, so a single uniform scale (panel width / DESIGN_WIDTH) keeps proportions.
    static constexpr double DESIGN_WIDTH = 1920.0;  
 
    double mySceneAspect;   
 
    //Base art, loaded once as resolution-independent SVG bundles.
    wxBitmapBundle myDayScene;      
    wxBitmapBundle myNightScene;    
 
    //The latest curated readings that drive the overlays (set from the UI thread via Update()).
    RumPi::SelectedSensorReadings myReadings;
 
    //Cached day/night-crossfaded base, rebuilt only when the draw size or the (bucketed) blend changes.
    wxBitmap myBaseCache;           
    int myBaseCacheWidth;           
    int myBaseCacheHeight;          
    int myBaseCacheBlendBucket;     
 
    //Reused off-screen buffer for flicker-free compositing (recreated only on resize).
    wxBitmap myFrameBuffer;
 
    //Animation phases advanced by the timer: the readings set how fast/how much, the phase sets where.
    double myWindPhase;             
    double myCloudPhase;            
    wxTimer myAnimationTimer;       
 
    //Loaded from ClientConfig at construction.
    wxString myLocationName;            
    double myCo2FreshMax;               
    double myCo2ElevatedMax;            
    double myTempWarmAbove;             
    double myTempCoolBelow;             
    double myDuskGlowOpacity;           
    double myTemperatureTintOpacity;    
    double myCloudOpacity;              
    double myHazeOpacity;               
    double myMistOpacity;               
    double myWindOpacity;               
    wxColour myCo2FreshColour;          
    wxColour myCo2ElevatedColour;       
    wxColour myCo2HighColour;           
 
    double LocalTimeInHours() const;
 
    double NightAmount() const;
 
    wxColour Co2DotColour(float co2) const;
 
    wxColour AirQualityDotColour(RumPi::E_AirQualityLevel airQualityLevel) const;
 
    wxBitmapBundle LoadSceneBundle(const wxString& folder, const wxString& baseName, const char* embeddedSvg) const;
 
    void CreateDefaultScenesIfMissing(const wxString& folder) const;
 
    void EnsureBaseCache(int width, int height, int blendBucket);
 
    void DrawCelestialBody(wxGraphicsContext* graphicsContext, int width, int height);
 
    void DrawAtmosphere(wxGraphicsContext* graphicsContext, int width, int height);
 
    void DrawStreetlights(wxGraphicsContext* graphicsContext, int width, int height);
 
    void DrawPills(wxGraphicsContext* graphicsContext, int width, int height);
 
    void OnPaint(wxPaintEvent& event);
 
    void RenderScene(wxPaintDC& drawContext);
 
    void OnSize(wxSizeEvent& event);
 
    void OnTimer(wxTimerEvent& event);
 
public:
    HomeScenePanel(wxWindow* parent);
 
    void Update(const RumPi::SelectedSensorReadings& readings);
};