#include "gold.h"

#include "constants.h"

int rand_gold_pile(RNG *rng) {
        const int denominator = 8;
        const int normal = 5;
        const int dragon = 6;

        int tmp = rng->rand_under(denominator);

        if (tmp < normal)
                return GOLD_NORMAL;
        else if (tmp < dragon)
                return GOLD_DRAGON;
        else
                return GOLD_SMALL;

        return 0;
}

gold get_gold_at(const position &pos, gold_list &glist) {
        gold ret = {0, {0, 0}};

        for (size_t i = 0; i < glist.size(); ++i)
                if (glist[i].pos == pos) {
                        ret = glist[i];
                        glist.erase(i + glist.begin());
                        return ret;
                }

        return ret;
}

int rand_gold_drop(RNG *rng) {
        if (rng->coin_flip())
                return GOLD_NORMAL;

        return GOLD_SMALL;
}