scummvm/engines/saga2/calendar.h
2022-10-28 22:37:57 +03:00

120 lines
3.1 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Based on the original sources
* Faery Tale II -- The Halls of the Dead
* (c) 1993-1996 The Wyrmkeep Entertainment Co.
*/
#ifndef SAGA2_CALENDAR_H
#define SAGA2_CALENDAR_H
namespace Saga2 {
/* ===================================================================== *
CalendarTime class
* ===================================================================== */
class CalendarTime {
public:
enum {
// Basic constants
kDaysPerWeek = 7,
kDaysPerYear = 365,
kHoursPerDay = 24,
kRealMinutesPerDay = 30,
// Number of animation frames per day
kFramesPerDay = 10 * 60 * kRealMinutesPerDay,
// Derived variables
kFramesPerHour = (kFramesPerDay / kHoursPerDay),
kFramesAtNoon = (kFramesPerDay / 2),
kDayBias = kFramesAtNoon / 6,
kGameStartHour = 5
};
uint16 _years,
_weeks,
_days,
_dayInYear,
_dayInWeek,
_hour,
_frameInHour;
bool _calendarPaused;
CalendarTime() {
_years = _weeks = _days = _dayInYear = _dayInWeek = _hour = _frameInHour = 0;
_calendarPaused = false;
}
void read(Common::InSaveFile *in);
void write(Common::MemoryWriteStreamDynamic *out);
void update();
int lightLevel(int maxLevel);
uint16 frameInDay() {
return _hour * kFramesPerHour + _frameInHour;
}
};
/* ===================================================================== *
FrameAlarm class
* ===================================================================== */
class FrameAlarm {
uint16 _baseFrame,
_duration;
public:
void set(uint16 dur);
bool check();
uint16 elapsed();
void write(Common::MemoryWriteStreamDynamic *out);
void read(Common::InSaveFile *in);
};
/* ===================================================================== *
Calendar management functions
* ===================================================================== */
void updateCalendar();
void pauseCalendar();
void resumeCalendar();
uint32 operator - (const CalendarTime &time1, const CalendarTime &time2);
void initCalendar();
void saveCalendar(Common::OutSaveFile *outS);
void loadCalendar(Common::InSaveFile *in);
bool isDayTime();
const int MAX_LIGHT = 12; // maximum light level
}
#endif