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engines/saga2/timers.h

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+/* 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
+ * aint32 with this program; if not, write to the Free Software
+ *
+ *
+ * Based on the original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#ifndef SAGA2_TIMERS_H
+#define SAGA2_TIMERS_H
+
+#include "saga2/idtypes.h"
+#include "saga2/calendar.h"
+#include "saga2/objects.h"
+
+namespace Saga2 {
+
+class Timer;
+class TimerList;
+
+//  Fetch a specified actor's TimerList
+TimerList *fetchTimerList(GameObject *obj);
+
+void deleteTimer(Timer *t);
+
+//  Check all active Timers
+void checkTimers();
+
+//  Initialize the Timers
+void initTimers();
+void saveTimers(Common::OutSaveFile *outS);
+void loadTimers(Common::InSaveFile *in);
+void cleanupTimer();
+//  Cleanup the active Timers
+void cleanupTimers();
+
+/* ===================================================================== *
+   TimerList class
+ * ===================================================================== */
+
+class TimerList {
+	GameObject *_obj;
+
+public:
+	//  Constructor -- initial construction
+	TimerList(GameObject *o);
+
+	TimerList(Common::InSaveFile *in);
+
+	~TimerList();
+
+	//  Return the number of bytes needed to archive this object in
+	//  a buffer
+	static int32 archiveSize() {
+		return sizeof(ObjectID);
+	}
+
+	void write(Common::MemoryWriteStreamDynamic *out);
+
+	GameObject *getObject() {
+		return _obj;
+	}
+
+	Common::List<Timer *> _timers;
+};
+
+/* ===================================================================== *
+   Timer class
+ * ===================================================================== */
+
+class Timer {
+	GameObject *_obj;
+	TimerID _id;
+	int16 _interval;
+	FrameAlarm _alarm;
+
+public:
+	bool _active;
+
+	//  Constructor -- initial construction
+	Timer(GameObject *o, TimerID timerID, int16 frameInterval) : _obj(o), _id(timerID), _interval(frameInterval), _active(true) {
+		_alarm.set(_interval);
+		debugC(1, kDebugTimers, "Creating timer %p for %p (%s)",
+		       (void *)this, (void *)o, o->objName());
+
+		g_vm->_timers.push_back(this);
+	}
+
+	Timer(Common::InSaveFile *in);
+
+	~Timer();
+
+	//  Return the number of bytes needed to archive this object in
+	//  a buffer
+	static int32 archiveSize();
+
+	void write(Common::MemoryWriteStreamDynamic *out);
+
+	GameObject *getObject() {
+		return _obj;
+	}
+	TimerID thisID() {
+		return _id;
+	}
+	int16 getInterval() {
+		return _interval;
+	}
+
+	bool check() {
+		return _alarm.check();
+	}
+	void reset() {
+		_alarm.set(_interval);
+	}
+};
+
+} // end of namespace Saga2
+
+#endif