106 lines
2.1 KiB
C
106 lines
2.1 KiB
C
#include <stdio.h>
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#include "gamedata.h"
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struct _gamedata {
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double chf;
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int bitto;
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int flour;
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int pizzoccheri;
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double chf_unit;
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};
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gamedata_t* gamedata_new() {
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gamedata_t* self = (gamedata_t*) malloc(sizeof(gamedata_t));
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if(errno != 0) {
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perror("gamedata malloc() creation error: ");
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}
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srand(time(NULL));
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self->chf = 0;
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self->bitto = 200;
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self->flour = 400;
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self->pizzoccheri = 0;
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self->chf_unit = 0.5;
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return self;
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}
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void gamedata_delete(gamedata_t* self) {
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free(self);
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}
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void gamedata_print_status(gamedata_t *self, FILE* out) {
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fprintf(out, "OK BITTO %d, FLOUR %d, ", self->bitto, self->flour);
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fprintf(out, "INVENTORY %d, ", self->pizzoccheri);
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fprintf(out, "UNIT PRICE %.02f CHF, PROFIT %.02f CHF\n", self->chf_unit, self->chf);
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}
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#define Q_BITTO_UNIT 1
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#define Q_FLOUR_UNIT 2
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bool gamedata_make_pizzoccheri(gamedata_t *self, unsigned int q) {
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int q_flour = q * Q_FLOUR_UNIT;
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int q_bitto = q * Q_BITTO_UNIT;
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if(self->flour < q_flour || self->bitto < q_bitto) {
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return false;
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}
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self->flour -= q_flour;
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self->bitto -= q_bitto;
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self->pizzoccheri += q;
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return true;
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}
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#define PRICE_BITTO_UNIT 0.5
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bool gamedata_buy_bitto(gamedata_t *self, unsigned int q) {
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double price = q * PRICE_BITTO_UNIT;
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if(price > self->chf) {
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return false;
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}
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self->chf -= price;
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self->bitto += q;
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return true;
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}
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#define PRICE_FLOUR_UNIT 0.5
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bool gamedata_buy_flour(gamedata_t *self, unsigned int q) {
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double price = q * PRICE_FLOUR_UNIT;
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if(price > self->chf) {
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return false;
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}
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self->chf -= price;
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self->flour += q;
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return true;
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}
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unsigned int gamedata_sell_pizzoccheri(gamedata_t *self) {
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if(self->pizzoccheri == 0) {
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return 0;
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}
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int sold = 5 * (-self->chf_unit + 1 + 2 * (double)rand() / (double)RAND_MAX);
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if(sold <= 0) {
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return 0;
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}
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if(sold > self->pizzoccheri) {
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sold = self->pizzoccheri;
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}
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self->pizzoccheri -= sold;
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self->chf += sold * self->chf_unit;
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return sold;
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}
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bool gamedata_set_unit_price(gamedata_t *self, double price) {
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if(price < 0) return false;
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self->chf_unit = price;
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return true;
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}
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