add mcc directory

mcc/mcc_defaults.h

@@ -0,0 +1,111 @@
+#pragma once
+
+/*                          MOUNT CONTROL COMPONENTS LIBRARY                            */
+
+
+/*                          MCC LIBRARY DEFAULT IMPLEMENTATION OF SOME CLASSES                    */
+
+// #include <compare>
+
+#include "mcc_generics.h"
+
+namespace mcc
+{
+
+
+/*                          DEFAULT TIME POINT CLASS        */
+
+typedef std::chrono::system_clock::time_point MccTimePoint;
+
+
+/*                          DEFAULT JULIAN DAY CLASS        */
+
+struct MccJulianDay {
+    static constexpr double MJD0 = 2400000.5;
+    double mjd{51544.5};  // J2000.0
+
+    constexpr operator double() const
+    {
+        return MccJulianDay::MJD0 + mjd;
+    }
+
+    constexpr auto operator<=>(const MccJulianDay&) const = default;
+
+    constexpr auto operator<=>(double v) const
+    {
+        return v <=> (MccJulianDay::MJD0 + mjd);
+    };
+};
+
+
+/*                          DEFAULT CELESTIAL POINT CLASS               */
+
+
+template <mcc_angle_c CoordT>
+struct MccGenericCelestialPoint {
+    typedef CoordT coord_t;
+
+    MccCoordPairKind pair_kind{MccCoordPairKind::COORDS_KIND_RADEC_ICRS};
+
+    MccTimePoint time_point{std::chrono::sys_days(std::chrono::year_month_day{std::chrono::January / 1 / 2000}) +
+                            std::chrono::hours(12)};  // J2000.0
+
+    coord_t X{}, Y{};
+};
+
+
+typedef MccGenericCelestialPoint<double> MccCelestialPoint;
+
+
+template <mcc_angle_c CoordT>
+struct MccGenericEqtHrzCoords : MccGenericCelestialPoint<CoordT> {
+    using typename MccGenericCelestialPoint<CoordT>::coord_t;
+
+    coord_t RA_APP{}, DEC_APP{}, HA{}, AZ{}, ZD{}, ALT{};
+};
+
+typedef MccGenericEqtHrzCoords<MccCelestialPoint::coord_t> MccEqtHrzCoords;
+
+
+template <mcc_angle_c CoordT>
+struct MccGenericPointingTarget : MccGenericEqtHrzCoords<CoordT> {
+    using typename MccGenericEqtHrzCoords<CoordT>::coord_t;
+
+    coord_t RA_ICRS{}, DEC_ICRS{};
+};
+
+
+typedef MccGenericPointingTarget<MccCelestialPoint::coord_t> MccPointingTarget;
+
+
+/*                          DEFAULT TELEMETRY DATA CLASS               */
+
+template <mcc_angle_c CoordT>
+struct MccGenericTelemetryData : MccGenericEqtHrzCoords<CoordT> {
+    using typename MccGenericEqtHrzCoords<CoordT>::coord_t;
+
+    MccJulianDay JD;
+    coord_t LST;  // local apparent sideral time
+
+    MccGenericPointingTarget<coord_t> target{};
+
+    coord_t speedX, speedY;
+
+    coord_t pcmX, pcmY;
+
+    coord_t refCorr;
+};
+
+
+typedef MccGenericTelemetryData<MccCelestialPoint::coord_t> MccTelemetryData;
+
+
+
+/*                      JUST CHECK FOR CONCEPT CONSISTENCY              */
+
+static_assert(mcc_julday_c<MccJulianDay>, "");
+static_assert(mcc_celestial_point_c<MccCelestialPoint>, "");
+static_assert(mcc_telemetry_data_c<MccTelemetryData>, "");
+
+
+}  // namespace mcc