63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* BreakHack - A dungeone crawler RPG
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* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "time.h"
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#include "util.h"
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#define SECONDS_PER_DAY 86400
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#define SECONDS_PER_HOUR 3600
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#define SECONDS_PER_MINUTE 60
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time_t
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time_get_weekly_seed(void)
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{
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time_t now = time(NULL);
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struct tm *tm;
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tm = localtime(&now);
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// Zero out the hour and minutes to 00:00:01
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now -= tm->tm_hour * SECONDS_PER_HOUR;
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now -= tm->tm_min * SECONDS_PER_MINUTE;
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now -= tm->tm_sec;
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now += 1;
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// Reverse time back to last monday
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unsigned int dayOfWeek = tm->tm_wday;
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now -= (dayOfWeek == 0 ? 6 : dayOfWeek - 1) * SECONDS_PER_DAY;
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return now;
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}
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// Example: 190225_weekly
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char *
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time_get_weekly_lb_name(void)
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{
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time_t seed = time_get_weekly_seed();
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struct tm *tm = localtime(&seed);
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char *name = ec_malloc(sizeof(char) * 15);
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m_sprintf(name,
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15,
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"%u%.2u%.2u_weekly",
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tm->tm_year % 100,
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tm->tm_mon + 1,
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tm->tm_mday
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);
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return name;
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}
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