#include <stdint.h>

#ifndef LOCI
#define LOCI 1
#endif

struct climate {
	char code[8];
	char name[32];
	int basecap;
	int cap; /* for this model */
	unsigned char rgb[3];
};

struct climaterange {
	int hex;
	char code[8];
	char era[16];
	int variance;
	int start;
	int end;
};

extern struct climaterange altclimates[];

struct afrhex;

struct climate *climateyear(struct afrhex *hex, int year);

struct maphex {
        int64_t hex;
        char    climate[8];
        int     nadj;
        int64_t adjacent[18]; /* though we can calculate adjacents */
        struct afrhex *adjhex[18]; /* direct pointers */
        struct maphex *next;
};
extern struct maphex maphexes[];

struct afrhex {
        int64_t hex;
        unsigned int freq[2]; /* allele frequency count */
        struct climate *climate;

        /* migrants allele */
        unsigned int outmigrate[2];
        unsigned int inmigrate[2];

        /* migration topology */
        struct maphex *map;

        /* some computed data */
        int pop, migrants; /* total pop, number of emmigrants, dest attr */
        int attract; /* how attractive is this as a destination */

        struct afrhex *next;
};

struct climate *find_climate(char *code);
struct climate *climateyear(struct afrhex *hex, int year);
void nextgen(struct afrhex *hexlist, int year, unsigned int climate);
void climate_init(double width, double capfactor);
struct afrhex *map_init(struct maphex *maphexes, double width, double divisor);
uint64_t total_pop(struct afrhex *map);

struct afrhex *find_hex(struct afrhex *map, int64_t hex);
struct afrhex *search_hex(struct afrhex *map, int64_t hex);