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mcc/mcc_pzone.h

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+#pragma once
+
+/*                          MOUNT CONTROL COMPONENTS LIBRARY                            */
+
+
+/*                          IMPLEMENTATION OF SOME SIMPLE PROHIBITED ZONES              */
+
+#include "mcc_generics.h"
+
+namespace mcc
+{
+
+static constexpr double mcc_sideral_to_UT1_ratio = 1.002737909350795;  // sideral/UT1
+
+
+/*                          MINIMAL OR MAXIMAL ALTITUDE PROHIBITED ZONES                    */
+
+enum class MccAltLimitKind { MIN_ALT_LIMIT, MAX_ALT_LIMIT };
+
+template <mcc_ccte_c CCTE_T, MccAltLimitKind KIND = MccAltLimitKind::MIN_ALT_LIMIT>
+class MccAltLimitPZ : public mcc_pzone_interface_t<std::error_code>
+{
+protected:
+    double _altLimit, _cosALim, _sinAlim;
+    double _cosLat, _sinLat, _absLat;
+
+    CCTE_T* _ccteEngine;
+
+public:
+    typedef std::error_code error_t;
+
+    MccAltLimitPZ(mcc_angle_c auto const& alt_limit, mcc_angle_c auto const& latitude, CCTE_T* ccte_engine)
+        : _altLimit(alt_limit),
+          _cosALim(cos(_altLimit)),
+          _sinAlim(sin(_altLimit)),
+          _cosLat(cos(latitude)),
+          _sinLat(sin(latitude)),
+          _absLat(abs(latitude)),
+          _ccteEngine(ccte_engine)
+    {
+    }
+
+    consteval std::string_view name() const
+    {
+        return KIND == MccAltLimitKind::MIN_ALT_LIMIT   ? "MINALT-ZONE"
+               : KIND == MccAltLimitKind::MAX_ALT_LIMIT ? "MAXALT-ZONE"
+                                                        : "ALTLIMIT-UNKNOWN";
+    }
+
+
+    template <typename InputT>
+    error_t inPZone(InputT coords, bool* result)
+        requires(mcc_eqt_hrz_coord_c<InputT> || mcc_celestial_point_c<InputT>)
+    {
+        // auto ret =
+        // return ret;
+    }
+
+    template <typename InputT>
+    error_t timeToPZone(InputT coords, traits::mcc_time_duration_c auto* res_time)
+        requires(mcc_eqt_hrz_coord_c<InputT> || mcc_celestial_point_c<InputT>)
+    {
+    }
+
+    template <typename InputT>
+    error_t timeFromPZone(InputT coords, traits::mcc_time_duration_c auto* res_time)
+        requires(mcc_eqt_hrz_coord_c<InputT> || mcc_celestial_point_c<InputT>)
+    {
+    }
+
+    template <typename InputT>
+    error_t intersectPZone(InputT coords, mcc_celestial_point_c auto* point)
+        requires(mcc_eqt_hrz_coord_c<InputT> || mcc_celestial_point_c<InputT>)
+    {
+    }
+};
+
+}  // namespace mcc