45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#include "dice.h"
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#include <stdlib.h>
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#include <memory.h>
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int roll_die(enum die_type die) {
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int const max = die - 1;
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return (rand() % max) + 1;
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}
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static int current_active_count = 0;
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static enum die_type active_dice_set[MAX_ACTIVE_DICE];
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enum die_type const *get_active_dice_set(size_t *out_length) {
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if (out_length != nullptr) {
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*out_length = current_active_count;
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}
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return active_dice_set;
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}
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size_t add_die_to_active(enum die_type die) {
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if (current_active_count >= MAX_ACTIVE_DICE) {
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return MAX_ACTIVE_DICE;
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}
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active_dice_set[current_active_count] = die;
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return current_active_count++;
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}
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void remove_die_from_active(size_t index) {
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memmove(active_dice_set + index + 1, active_dice_set + index, MAX_ACTIVE_DICE - index - 1);
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}
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struct roll_result_type roll_active_dice_set(enum die_type die) {
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struct roll_result_type results = {
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.individual_result_count = MAX_ACTIVE_DICE,
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.total = 0
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};
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for (size_t i = 0; i < current_active_count; ++i) {
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results.individual_results[i] = roll_die(active_dice_set[i]);
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results.total += results.individual_results[i];
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}
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return results;
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}
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