ml
57deb62b51
Every planet position now carries its whole-sign house (1-12); transits report the natal house each transiting planet currently occupies rather than a fresh "houses for right now" chart, matching how transits are normally read. Surfaced in both text and HTML output, fully translated.
108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
#ifndef DECK_ASTRO_H
|
|
#define DECK_ASTRO_H
|
|
|
|
#include <time.h>
|
|
|
|
#define NUM_BODIES 10
|
|
#define MAX_ASPECTS 100
|
|
|
|
/* Named distinctly from Astronomy Engine's own astro_body_t constants
|
|
* (BODY_SUN, BODY_MOON, ...) to avoid colliding with them in astro.c,
|
|
* which includes both headers. */
|
|
typedef enum {
|
|
PLANET_SUN = 0,
|
|
PLANET_MOON,
|
|
PLANET_MERCURY,
|
|
PLANET_VENUS,
|
|
PLANET_MARS,
|
|
PLANET_JUPITER,
|
|
PLANET_SATURN,
|
|
PLANET_URANUS,
|
|
PLANET_NEPTUNE,
|
|
PLANET_PLUTO
|
|
} Body;
|
|
|
|
typedef enum {
|
|
SIGN_ARIES = 0,
|
|
SIGN_TAURUS,
|
|
SIGN_GEMINI,
|
|
SIGN_CANCER,
|
|
SIGN_LEO,
|
|
SIGN_VIRGO,
|
|
SIGN_LIBRA,
|
|
SIGN_SCORPIO,
|
|
SIGN_SAGITTARIUS,
|
|
SIGN_CAPRICORN,
|
|
SIGN_AQUARIUS,
|
|
SIGN_PISCES
|
|
} ZodiacSign;
|
|
|
|
typedef enum {
|
|
MOON_NEW = 0,
|
|
MOON_WAXING_CRESCENT,
|
|
MOON_FIRST_QUARTER,
|
|
MOON_WAXING_GIBBOUS,
|
|
MOON_FULL,
|
|
MOON_WANING_GIBBOUS,
|
|
MOON_LAST_QUARTER,
|
|
MOON_WANING_CRESCENT
|
|
} MoonPhaseName;
|
|
|
|
typedef enum {
|
|
ASPECT_CONJUNCTION = 0,
|
|
ASPECT_SEXTILE,
|
|
ASPECT_SQUARE,
|
|
ASPECT_TRINE,
|
|
ASPECT_OPPOSITION
|
|
} AspectType;
|
|
|
|
typedef struct {
|
|
double ecliptic_longitude; /* geocentric, degrees, [0, 360) */
|
|
ZodiacSign sign;
|
|
double degree_in_sign; /* [0, 30) */
|
|
int house; /* 1-12, whole-sign, always relative to the natal Ascendant -
|
|
* for DailyTransits.bodies this places today's transiting
|
|
* planets in the natal chart's own houses (the standard,
|
|
* personalized way to read transits), not a fresh "houses
|
|
* for right now" chart. */
|
|
} PlanetPosition;
|
|
|
|
typedef struct {
|
|
int year, month, day; /* birth date, local calendar */
|
|
int hour, minute; /* birth time, local clock */
|
|
double utc_offset_hours; /* local time = UTC + utc_offset_hours */
|
|
double latitude; /* degrees north positive */
|
|
double longitude; /* degrees east positive */
|
|
} BirthData;
|
|
|
|
typedef struct {
|
|
PlanetPosition bodies[NUM_BODIES];
|
|
double ascendant_longitude;
|
|
ZodiacSign houses[12]; /* houses[0] = sign of house 1 (whole-sign system) */
|
|
} NatalChart;
|
|
|
|
typedef struct {
|
|
Body transiting_planet;
|
|
Body natal_planet;
|
|
AspectType type;
|
|
double orb; /* how many degrees off exact, always >= 0 */
|
|
} Aspect;
|
|
|
|
typedef struct {
|
|
PlanetPosition bodies[NUM_BODIES];
|
|
MoonPhaseName moon_phase;
|
|
Aspect aspects[MAX_ASPECTS];
|
|
int aspect_count;
|
|
} DailyTransits;
|
|
|
|
void astro_compute_natal_chart(const BirthData *birth, NatalChart *out);
|
|
void astro_compute_daily_transits(time_t utc_moment, const NatalChart *natal,
|
|
DailyTransits *out);
|
|
|
|
const char *astro_body_name(Body body);
|
|
const char *astro_sign_name(ZodiacSign sign);
|
|
const char *astro_moon_phase_name(MoonPhaseName phase);
|
|
const char *astro_aspect_name(AspectType type);
|
|
|
|
#endif
|