pokeplatinum/src/play_time.c

#include "play_time.h"

#include <nitro.h>

void PlayTime_Init(PlayTime *playTime)
{
    playTime->hours = 0;
    playTime->minutes = 0;
    playTime->seconds = 0;
}

void PlayTime_Increment(PlayTime *playTime, u32 seconds)
{
    if (playTime->hours == PLAYTIME_MAX_HOURS
        && playTime->minutes == PLAYTIME_MAX_MINUTES
        && playTime->seconds == PLAYTIME_MAX_SECONDS) {
        return;
    }

    u32 hours = playTime->hours;
    u32 minutes = playTime->minutes;
    u32 newSeconds = playTime->seconds + seconds;

    if (newSeconds > PLAYTIME_MAX_SECONDS) {
        minutes = playTime->minutes + newSeconds / SECONDS_PER_MINUTE;
        newSeconds %= SECONDS_PER_MINUTE;

        if (minutes > PLAYTIME_MAX_MINUTES) {
            hours = playTime->hours + minutes / MINUTES_PER_HOUR;
            minutes %= MINUTES_PER_HOUR;

            if (hours >= PLAYTIME_MAX_HOURS) {
                hours = PLAYTIME_MAX_HOURS;
                minutes = PLAYTIME_MAX_MINUTES;
                newSeconds = PLAYTIME_MAX_SECONDS;
            }
        }
    }

    playTime->hours = hours;
    playTime->minutes = minutes;
    playTime->seconds = newSeconds;
}

u16 PlayTime_GetHours(const PlayTime *playTime)
{
    return playTime->hours;
}

u8 PlayTime_GetMinutes(const PlayTime *playTime)
{
    return playTime->minutes;
}

u8 PlayTime_GetSeconds(const PlayTime *playTime)
{
    return playTime->seconds;
}