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gameclk.h
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gameclk.h
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/*
* gameclk.h - Keep track of time.
*
* Copyright (C) 2000-2013 The Exult Team
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef GAMECLK_H
#define GAMECLK_H 1
#include "tqueue.h"
#include "palette.h"
/*
* The number of times that the game clock ticks in one game minute.
*/
const int ticks_per_minute = 25;
/*
* Keep track of time, and of the palette for a given time.
*/
class Game_clock : public Time_sensitive {
Time_queue *tqueue; // The time queue.
short hour, minute; // Time (0-23, 0-59).
int day; // Keep track of days played.
int light_source_level; // Last set light source level.
int old_light_level; // Last set light source level.
bool old_special_light; // Last set light source level.
bool old_infravision; // If infravision was on last time.
bool old_invisible; // If invisibility was on last time.
int dungeon; // Last set 'in_dungeon' value.
int overcast; // >0 if day is overcast (e.g., from a storm).
bool was_overcast;
int fog; // >0 if there is fog.
bool was_foggy;
Palette_transition *transition; // For smooth palette transitions.
unsigned short time_rate;
void set_time_palette();
void set_light_source_level(int lev);
void check_hunger() const;
public:
Game_clock(Time_queue *tq) : tqueue(tq), hour(6), minute(0), day(0),
light_source_level(0), old_light_level(0), old_special_light(false),
old_infravision(false), old_invisible(false), dungeon(255),
overcast(0), was_overcast(false), fog(0), was_foggy(false),
transition(0), time_rate(1)
{ }
int get_hour() const {
return hour;
}
void set_hour(int h) {
hour = h;
}
int get_minute() const {
return minute;
}
void set_minute(int m) {
minute = m;
}
int get_day() const {
return day;
}
void set_day(int d) {
day = d;
}
unsigned long get_total_hours() const { // Get total # hours.
return day * 24 + hour;
}
unsigned long get_total_minutes() const {
return get_total_hours() * 60 + minute;
}
void set_palette(); // Set palette for current hour.
// Set light source. MUST be fast,
// since it's called during paint().
void set_light_source(int lev, int dun) {
if (lev != light_source_level || dun != dungeon)
set_light_source_level(lev);
}
void reset() {
overcast = fog = 0;
was_overcast = was_foggy = false;
old_special_light = false;
old_infravision = false;
old_invisible = false;
dungeon = 255;
delete transition;
transition = 0;
}
void set_overcast(bool onoff); // Start/end cloud cover.
void set_fog(bool onoff); // Start/end cloud cover.
void increment(int num_minutes);// Increment clock.
virtual void handle_event(unsigned long curtime, uintptr udata);
void fake_next_period(); // For debugging.
int get_time_rate() const {
return time_rate;
}
void set_time_rate(int i) {
time_rate = i > 0 ? i : 1;
}
};
#endif /* INCL_GAMECLK */