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#include "rps.h"
namespace RPS {
OBJECT what_it_beats(OBJECT obj) {
switch (obj) {
case ROCK:
return ROCK_BEATS;
case PAPER:
return PAPER_BEATS;
case SCISSORS:
return SCISSORS_BEATS;
default:
return NONE;
}
}
OBJECT what_beats_it(OBJECT obj) {
switch (obj) {
case ROCK:
return BEATS_ROCK;
case PAPER:
return BEATS_PAPER;
case SCISSORS:
return BEATS_SCISSORS;
default:
return NONE;
}
}
OBJECT who_won(OBJECT a, OBJECT b) {
// Check for weird stuff.
if (!is_game_object(a) || !is_game_object(b))
return NONE;
if (a == b)
return DUAL;
return (what_it_beats(a) == b) ? a : b;
}
OBJECT who_won(RPSLog log) {
return who_won(log.p1_choice, log.p2_choice);
}
bool is_game_object(OBJECT obj) {
return obj == ROCK || obj == PAPER || obj == SCISSORS;
}
int obj_to_string(OBJECT obj, char * buf, size_t n) {
int res;
// Check for stuff.
if (n <= 0 || buf == NULL)
return -1;
memset(buf, 0, n);
switch (obj) {
case ROCK:
strncat(buf, "rock", n);
break;
case PAPER:
strncat(buf, "paper", n);
break;
case SCISSORS:
strncat(buf, "scissors", n);
break;
case DUAL:
strncat(buf, "dual", n);
break;
default:
strncat(buf, "none", n);
break;
}
return 0;
}
int update_rps_stat(RPSStats * stats, OBJECT new_obj) {
// Check stuff.
if (stats == NULL)
return -1;
switch (new_obj) {
case ROCK:
stats->rock_count++;
break;
case PAPER:
stats->paper_count++;
break;
case SCISSORS:
stats->scissors_count++;
break;
default:
return -1;
}
return 0;
}
}
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