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66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
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#ifdef MESHTASTIC_INCLUDE_INKHUD
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/*
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Base class for Applets which show nodes on a map
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Plots position of for a selection of nodes, with north facing up.
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Size of cross represents hops away.
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Our own node is identified with a faded label.
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The base applet doesn't handle any events; this is left to the derived applets.
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*/
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#pragma once
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#include "configuration.h"
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#include "graphics/niche/InkHUD/Applet.h"
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#include "MeshModule.h"
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#include "gps/GeoCoord.h"
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namespace NicheGraphics::InkHUD
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{
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class MapApplet : public Applet
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{
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public:
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void onRender() override;
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protected:
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virtual bool shouldDrawNode(meshtastic_NodeInfoLite *node) { return true; } // Allow derived applets to filter the nodes
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virtual void getMapCenter(float *lat, float *lng);
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virtual void getMapSize(uint32_t *widthMeters, uint32_t *heightMeters);
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bool enoughMarkers(); // Anything to draw?
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void drawLabeledMarker(meshtastic_NodeInfoLite *node); // Highlight a specific marker
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private:
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// Position of markers to be drawn, relative to map center
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// HopsAway info used to determine marker size
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struct Marker {
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float eastMeters = 0; // Meters east of mapCenter. Negative if west.
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float northMeters = 0; // Meters north of mapCenter. Negative if south.
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bool hasHopsAway = false;
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uint8_t hopsAway = 0;
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};
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Marker calculateMarker(float lat, float lng, bool hasHopsAway, uint8_t hopsAway);
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void calculateAllMarkers();
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void calculateMapScale(); // Conversion factor for meters to pixels
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void drawCross(int16_t x, int16_t y, uint8_t size); // Draw the X used for most markers
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float metersToPx = 0; // Conversion factor for meters to pixels
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float latCenter = 0; // Map center: latitude
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float lngCenter = 0; // Map center: longitude
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std::list<Marker> markers;
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uint32_t widthMeters = 0; // Map width: meters
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uint32_t heightMeters = 0; // Map height: meters
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};
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} // namespace NicheGraphics::InkHUD
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#endif
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