commit cb76e401de335f89dd53903dc606381b0d37ff96
Author: cfif <cham-zod@mail.ru>
Date:   Fri Jan 24 13:22:32 2025 +0300

    Перенос на новую организацию GONEC

diff --git a/doc/expl.jpg b/doc/expl.jpg
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diff --git a/inc/GonetsAlmanac.h b/inc/GonetsAlmanac.h
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--- /dev/null
+++ b/inc/GonetsAlmanac.h
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+//
+// Created by dd on 06.06.2023.
+//
+
+#ifndef DECODERALMANACH_DECODER_H
+#define DECODERALMANACH_DECODER_H
+
+#include "stdint.h"
+#include "vector.h"
+#include "time.h"
+#include "stdbool.h"
+
+typedef struct __attribute__ ((packed)) {
+    uint8_t NKA;
+    uint16_t coil;
+    struct {
+        uint8_t day;
+        uint8_t month;
+        uint8_t year;
+    } date;
+    double equator_time;
+    double semimajor_axis;
+    double eccentricity;
+    double inclination;
+    double periapsis_argument;
+    double assending_node_longitud;
+    double saros;
+    double assending_node_longitude_delta;
+    double periapsis_argument_delta;
+    uint8_t validity_interval;
+//    uint8_t beginDateWTF;
+//    uint8_t validToWTF;
+} tGonetsAlmanac;
+
+
+//возвращаемое значение
+//это количество элемтов в массиве inRange
+size_t GonetsAlmanac_GetInRangeForInterval(
+        tGonetsAlmanac *alms, //массив альманахов
+        size_t almsCount, //количество элементов в массиве
+
+        vector2 geoLocation, //собственная широта и долгота
+        float rangeDistance, //ограничение по расстоянию до спутника
+
+        //интервал времени в течении которого (полностью от начала и  до конца)
+        //спутник должен находиться в зоне видимости
+        time_t begin,
+        time_t end,
+
+        //возвращаемый массив с номерами спутников
+        uint8_t *inRange
+);
+
+
+//возвращаемое значение
+//это количество элемтов в массиве inRange
+size_t GonetsAlmanac_GetInRangeForMoment(
+        tGonetsAlmanac *alms, //массив альманахов
+        size_t almsCount, //количество элементов в массиве
+
+        vector2 geoLocation, //собственная широта и долгота
+        float rangeDistance, //ограничение по расстоянию до спутника
+
+        time_t moment,//момент времени для которого запрашиваем спутники в зоне видимости
+
+        //возвращаемый массив с номерами спутников
+        uint8_t *inRange
+);
+
+float GonetsAlmanac_GetDistanceByAngleDeg(float angleDeg);
+
+bool GonetsAlmanac_IsValid(tGonetsAlmanac *alms, time_t now);
+
+#endif //DECODERALMANACH_DECODER_H
diff --git a/modular.json b/modular.json
new file mode 100644
index 0000000..d2ce2b2
--- /dev/null
+++ b/modular.json
@@ -0,0 +1,17 @@
+{
+  "dep": [
+    {
+      "type": "git",
+      "provider": "GONEC",
+      "repo": "VectorMath"
+    }
+  ],
+  "cmake": {
+    "inc_dirs": [
+      "./inc"
+    ],
+    "srcs": [
+      "./src/**.c"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/src/GonetsAlmanac.c b/src/GonetsAlmanac.c
new file mode 100644
index 0000000..8fab2f6
--- /dev/null
+++ b/src/GonetsAlmanac.c
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+#include <math.h>
+#include <vector.h>
+#include <time.h>
+#include <stdbool.h>
+#include <memory.h>
+#include "GonetsAlmanac.h"
+
+
+const static double PI = 3.141592653589793238462643383279;
+const static double PI2 = 6.283185307179586476925286766559;
+const static double PIdiv2 = 1.570796326794896619231321691639;
+const static double PI3div2 = 4.712388980384689857693965074919;
+const static double _180divPi = 57.29577951308232087679815481410;
+
+
+float RadToDeg(float rad) {
+    return rad * _180divPi;
+}
+
+float DegToRad(float grad) {
+    return grad * (float) (PI / 180.0);
+}
+
+
+vector3 GeodesicToSpaceA(vector2 vc, int hh) {
+    double E2 = 0.00669438;
+    double EQ = 6378.137;
+    vc.x = DegToRad(vc.x);
+    vc.y = DegToRad(vc.y);
+
+    double sin_fi = sin(vc.x);
+    double cos_fi = cos(vc.x);
+    double n = EQ / pow(1 - E2 * pow(sin_fi, 2), 0.5);
+    vector3 ret;
+    ret.x = (n + hh) * cos_fi * cos(vc.y);
+    ret.y = (n + hh) * cos_fi * sin(vc.y);
+    ret.z = ((1.0 - E2) * n + hh) * sin_fi;
+    return ret;
+}
+
+
+int GetSecond(int y, int m, int d, int h, int mi, int sec) {
+    int ret = 0;
+    if (y < 2000) y = 2000;
+    y -= 2000;
+    ret = (y * 365) + (y / 4) + 1; //при делении сделай целое
+    if (!(y % 4)) ret--;
+
+
+    int i;
+    for (i = 1; i < m; i++) {
+        int kolDay = 31;
+        switch (i) {
+            case 2: {
+                if (y % 4) kolDay = 28;
+                else
+                    kolDay = 29;
+            }
+                break;
+            case 4:
+                kolDay = 30;
+                break;
+            case 6:
+                kolDay = 30;
+                break;
+            case 9:
+                kolDay = 30;
+                break;
+            case 11:
+                kolDay = 30;
+                break;
+        }
+        ret += kolDay;
+    }
+    ret += (d - 1);
+    ret = ret * 24 * 60 * 60 + h * 60 * 60 + mi * 60 + sec;
+    return ret;
+}
+
+
+double modfd(double a, double b) {
+    int dm = floor(a / b);
+    return a - (double) (dm * b);
+
+}
+
+vector2 GetCoorAlg1(tGonetsAlmanac *station, int sec, int day, int mon, int year) {
+    vector2 vc;
+    vc.x = 0;
+    vc.y = 0;
+    if (station->saros < 2000) return vc;
+    double secTc = GetSecond(year, mon, day, 0, 0, 0) + sec;
+    double secAll =
+            GetSecond(station->date.year + 2000, station->date.month, station->date.day, 0, 0, 0)
+            + station->equator_time;
+
+//    double secAll= GetSecund(2023, 6, 5, 0, 0, 0) + station.equator_time;
+
+    if (secAll > secTc)
+        return vc;
+
+    double Ttek_Tnu = secTc - secAll;
+
+    if (Ttek_Tnu > 315360000) return vc;
+    // console.debug("2222");
+
+    //////
+    double i = station->inclination;
+
+    double We = 0.00007303;
+    double T_T = Ttek_Tnu;
+    if (T_T >= station->saros) {
+        T_T = modfd(T_T, station->saros);
+    }
+
+    double U = PI2 * T_T;
+    U = U / station->saros;
+    //console.debug(T_T);
+    double S = asin(sin(i) * sin(U));
+    double Dd = 0;
+    if (0 <= U && U <= PIdiv2) {
+        Dd = atan(cos(i) * tan(U));
+    } else if (PIdiv2 < U && U < PI3div2) {
+        Dd = PI + atan(cos(i) * tan(U));
+
+    } else if (PI3div2 < U && U < PI2) {
+        Dd = 2 * PI + atan(cos(i) * tan(U));
+
+    } else if (U == PIdiv2 || U == PI3div2) {
+        Dd = U;
+    }
+
+    double D = (station->assending_node_longitud + Dd - (We * Ttek_Tnu));
+    if (D >= PI2) {
+        D = modfd(D, PI2);
+    }
+    if (D <= -PI2) {
+        D = modfd(D, -PI2);
+    }
+    if (D < -PI) D += PI2;
+// console.debug(S);
+// console.debug(D);
+    vc.x = RadToDeg(S);
+    vc.y = RadToDeg(D);
+// console.debug(vc.fi,"li=",vc.li);
+    return vc;
+}
+
+vector3 AlmanacCalc(tGonetsAlmanac *station, struct tm date) {
+
+    vector2 coord = GetCoorAlg1(
+            station,
+            date.tm_sec + date.tm_min * 60 + date.tm_hour * 3600, date.tm_mday,
+            date.tm_mon + 1,
+            date.tm_year
+    );
+
+    vector3 v = GeodesicToSpaceA(coord, 1500);
+
+//    printf("%d coor = %lf %lf v=%lf %lf %lf\n", station.NKA, coord.x, coord.y, v.x, v.y, v.z);
+    return v;
+}
+
+static float getTriangleOppositeAngle(float adjacent, float opposite, float angle) {
+    return asinf((opposite / adjacent) * sinf(angle));
+}
+
+static float getTriangleOppositeEdge(float adjacentA, float adjacentB, float angle) {
+    return sqrtf(
+            powf(adjacentA, 2) + powf(adjacentB, 2) - 2 * adjacentA * adjacentB * cosf(angle)
+    );
+}
+
+static float getTriangleAdjacentEdge(float adjacent, float opposite, float angle) {
+    float oppositeAngle = (float) PI - getTriangleOppositeAngle(adjacent, opposite, angle) - angle;
+    return getTriangleOppositeEdge(adjacent, opposite, oppositeAngle);
+}
+
+static float getTriangleAngle(float adjacentA, float adjacentB, float opposite) {
+    return acosf((powf(adjacentA, 2) + powf(adjacentB, 2) - powf(opposite, 2)) / (2 * adjacentA * adjacentB));
+}
+
+
+static const float earthRadius = 6378.135f;
+static const float orbitMax = 8000.f;
+static const float RAD_90_DEG = 1.5708f;
+
+
+float GonetsAlmanac_GetDistanceByAngleDeg(float angleDeg) {
+    return getTriangleAdjacentEdge(orbitMax, earthRadius, (float) (DegToRad(angleDeg) + PI / 2));
+}
+
+
+//получаем угол между нормалью и вектором предельной дальности
+static float rangeAngleFromDistance(float distance) {
+    return (float) (PI - getTriangleAngle(earthRadius, distance, orbitMax));
+}
+
+bool GonetsAlmanac_InRange(
+        tGonetsAlmanac *alms,
+        vector3 selfPosition,
+        float rangeDistance,
+        float rangeAngle,
+        struct tm ts
+) {
+    vector3 satPos; //переменная для записи координат спутника
+    satPos = AlmanacCalc(alms, ts); //получили координаты
+
+    vector3 direction = vector3Less(satPos, selfPosition);// получаем вектор направления от спутника до нас
+    float distance = vector3Len(direction); //узнали дистанцию
+
+    if (distance <= rangeDistance) {
+
+        //рассчитали угол мужду  нормалью к поверхности и направлением на спутник
+        float angle = vector3Angle(selfPosition, direction);
+
+//        для наглядности при отладке переводим все в градусы, а так они нафиг ненужны
+//        float angleDeg = RadToDeg(angle);
+//        float rangeAngleDeg = RadToDeg(rangeAngle);
+
+        if (angle < rangeAngle) { //проверили подходит ли спутник
+            return true;
+        }
+    }
+    return false;
+}
+
+static const time_t time_step = 60;//шаг времени при проходе интервала
+
+size_t GonetsAlmanac_GetInRangeForInterval(
+        tGonetsAlmanac *alms,
+        size_t almsCount,
+
+        vector2 geoLocation,
+        float rangeDistance,
+
+        time_t begin,
+        time_t end,
+
+        uint8_t *inRange
+) {
+    float rangeAngle = rangeAngleFromDistance(rangeDistance);
+    vector3 selfPosition = GeodesicToSpaceA(geoLocation, 0);
+
+    bool notInRange[almsCount];
+    memset(notInRange, 0, almsCount);
+
+    struct tm ts;
+
+//    for (time_t timet = begin; timet <= end; timet += time_step) { //цикл по времени от начала интервала до конца
+//        ts = *gmtime(&timet);
+//        ts.tm_year = ts.tm_year - 100 + 2000;
+//
+//        for (int i = 0; i < almsCount; i++) { //цикл по всем спутникам
+//            if (!GonetsAlmanac_InRange(alms + i, selfPosition, rangeDistance, rangeAngle, ts)) {
+//                notInRange[i] = true;
+//            }
+//        }
+//    }
+
+    //проверка нахождения спутников в начале интервала
+    {
+        ts = *gmtime(&begin);
+        ts.tm_year = ts.tm_year - 100 + 2000;
+
+        for (int i = 0; i < almsCount; i++) { //цикл по всем спутникам
+            if (!GonetsAlmanac_InRange(alms + i, selfPosition, rangeDistance, rangeAngle, ts)) {
+                notInRange[i] = true;
+            }
+        }
+    }
+
+
+    //проверка нахождения спутников в конце интервала
+    {
+        ts = *gmtime(&end);
+        ts.tm_year = ts.tm_year - 100 + 2000;
+
+        for (int i = 0; i < almsCount; i++) { //цикл по всем спутникам
+            if (!GonetsAlmanac_InRange(alms + i, selfPosition, rangeDistance, rangeAngle, ts)) {
+                notInRange[i] = true;
+            }
+        }
+    }
+
+    int inRangeCount = 0;
+    for (size_t i = 0; i < almsCount; ++i) {
+        if (!notInRange[i]) {
+            inRange[inRangeCount] = alms[i].NKA;
+            ++inRangeCount;
+        }
+    }
+
+    return inRangeCount;
+}
+
+
+size_t GonetsAlmanac_GetInRangeForMoment(
+        tGonetsAlmanac *alms,
+        size_t almsCount,
+
+        vector2 geoLocation,
+        float rangeDistance,
+
+        time_t moment,
+
+        uint8_t *inRange
+) {
+    float rangeAngle = rangeAngleFromDistance(rangeDistance);
+    vector3 selfPosition = GeodesicToSpaceA(geoLocation, 0);
+
+    bool notInRange[almsCount];
+    memset(notInRange, 0, almsCount);
+
+    struct tm ts;
+
+    ts = *gmtime(&moment);
+    ts.tm_year = ts.tm_year - 100 + 2000;// что за магия?
+
+    for (int i = 0; i < almsCount; i++) { //цикл по всем спутникам
+        if (!GonetsAlmanac_InRange(alms + i, selfPosition, rangeDistance, rangeAngle, ts)) {
+            notInRange[i] = true;
+        }
+    }
+
+    int inRangeCount = 0;
+    for (size_t i = 0; i < almsCount; ++i) {
+        if (!notInRange[i]) {
+            inRange[inRangeCount] = alms[i].NKA;
+            ++inRangeCount;
+        }
+    }
+
+    return inRangeCount;
+}
+
+bool GonetsAlmanac_IsValid(tGonetsAlmanac *alms, time_t now) {
+    struct tm begin = {0};
+
+    begin.tm_year = alms->date.year + 100;
+    begin.tm_mon = alms->date.month - 1;
+    begin.tm_mday = alms->date.day;
+//    begin.tm_gmtoff = 3600;
+
+    time_t begin_ts = mktime(&begin);
+
+    return (begin_ts + (60 * 60 * 24 * alms->validity_interval)) > now;
+}
\ No newline at end of file
diff --git a/tst/CMakeLists.txt b/tst/CMakeLists.txt
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--- /dev/null
+++ b/tst/CMakeLists.txt
@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.17)
+project(decoderAlmanacTest C)
+
+set(CMAKE_C_STANDARD 99)
+
+include(modular.cmake)
+
+add_executable(decoderAlmanacTest ${SOURCES} test.c)
+
+target_link_libraries(decoderAlmanacTest m)
+
+
+
+#cmake_minimum_required(VERSION 3.17)
+#project(test C)
+#
+#set(CMAKE_C_STANDARD 11)
+#
+#
+#add_executable(test ${SOURCES} test.c)
diff --git a/tst/CURALM.DAT b/tst/CURALM.DAT
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index 0000000..fb217a9
Binary files /dev/null and b/tst/CURALM.DAT differ
diff --git a/tst/curalm(2).dat b/tst/curalm(2).dat
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index 0000000..fb217a9
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diff --git a/tst/modular.json b/tst/modular.json
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--- /dev/null
+++ b/tst/modular.json
@@ -0,0 +1,13 @@
+{
+  "dep": [
+    {
+      "type": "git",
+      "provider": "GONEC",
+      "repo": "ArrayPrint"
+    },
+    {
+      "type": "local",
+      "dir": "../"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/tst/test.c b/tst/test.c
new file mode 100644
index 0000000..e7b1316
--- /dev/null
+++ b/tst/test.c
@@ -0,0 +1,112 @@
+//
+// Created by xemon on 21.06.23.
+//
+#include "GonetsAlmanac.h"
+#include <stdio.h>
+#include <vector.h>
+#include "time.h"
+
+#define TEST_ALMANAC_FILE "curalm(2).dat"
+//#define TEST_ALMANAC_FILE "../CURALM.DAT"
+
+
+//double rangeAngle=90-89.65081259507197; //угол конуса
+double rangeAngle = 40;
+double rangeDistance = 5117; //дистанция до спутника
+const RANGEMIN = 5;
+
+
+size_t load_from_file(tGonetsAlmanac *alms) {
+    size_t countAlmanac = 0;
+
+    //  подгружаем альманахи
+    FILE *f = fopen(TEST_ALMANAC_FILE, "r+");
+    fseek(f, 11, SEEK_CUR);
+    tGonetsAlmanac alm;
+    // сделали декодирование (достаточно просто считать их в запакованную структуру)
+    while (!feof(f)) {
+        size_t read = (fread(&alm, sizeof(tGonetsAlmanac), 1, f));
+        ////важно чтоб весь альманах целеком был подгружен!!!!
+        if (read) {
+            *alms = alm;
+            ++alms;
+            countAlmanac++;
+        }
+    }
+    fclose(f);
+
+    return countAlmanac;
+}
+
+void timeCheck(tGonetsAlmanac *alms, int countAlmanac, time_t now) {
+    //вводим начальные данные
+
+    struct tm ts;
+    //    time(&now);
+
+    time_t interval_begin = now - 1 * 60;
+    time_t interval_end = now + 1 * 60;
+    //    now += 3 * 3600;
+//        ts = *localtime(&now); //текущее время
+
+//    vector3 vectorAlmanac; //переменная для записи координат спутника
+
+    uint8_t inRange[100]; // массив со спутниками внутри конуса
+    int countRange = 0;
+
+    vector2 selfPosition = {52.232f, 41.2322f};//твоя позиция
+
+
+    countRange = GonetsAlmanac_GetInRangeForInterval(
+//    countRange = GonetsAlmanac_GetInRangeForMoment(
+            alms,
+            countAlmanac,
+
+            selfPosition,
+            4000,
+
+            interval_begin,
+            interval_end,
+//            now,
+
+            inRange
+    );
+
+    printf("in range (%i): ", countRange);
+    for (uint8_t *nka = inRange, *end = inRange + countRange; nka < end; ++nka) {
+        printf("%02i ", *nka);
+    }
+    printf("\n");
+
+}
+
+int main() {
+
+    tGonetsAlmanac alms[50];
+
+    int countAlmanac = load_from_file(alms);
+
+    printf("alms (%i): ", countAlmanac);
+    for (tGonetsAlmanac *alm = alms, *end = alms + countAlmanac; alm < end; ++alm) {
+        printf("%02i ", alm->NKA);
+    }
+
+    time_t now, end;
+    now = 1687536080;
+//    now = 1686730934;
+    end = now + 3600 * 120;
+
+    printf("\n");
+    if (GonetsAlmanac_IsValid(alms, now)) {
+        printf("valid\n ");
+    } else {
+        printf("expired\n ");
+    }
+
+
+    for (time_t timestamp = now; timestamp < end; timestamp += 60) {
+        timeCheck(alms, countAlmanac, timestamp);
+    }
+
+    return 0;
+}