mirror of
https://github.com/libretro/scummvm.git
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146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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/*
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* This code is based on original Hugo Trilogy source code
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*
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* Copyright (c) 1989-1995 David P. Gray
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*
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*/
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#ifndef HUGO_SCHEDULE_H
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#define HUGO_SCHEDULE_H
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#include "common/file.h"
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namespace Hugo {
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#define SIGN(X) ((X < 0) ? -1 : 1)
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#define kMaxEvents 50 // Max events in event queue
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struct event_t {
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act *action; // Ptr to action to perform
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bool localActionFl; // true if action is only for this screen
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uint32 time; // (absolute) time to perform action
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struct event_t *prevEvent; // Chain to previous event
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struct event_t *nextEvent; // Chain to next event
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};
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class Scheduler {
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public:
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Scheduler(HugoEngine *vm);
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virtual ~Scheduler();
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virtual uint32 getTicks() = 0;
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virtual void runScheduler() = 0;
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void decodeString(char *line);
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void freeActListArr();
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void initEventQueue();
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void insertActionList(uint16 actIndex);
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void loadActListArr(Common::File &in);
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void loadAlNewscrIndex(Common::File &in);
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void newScreen(int screenIndex);
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void processBonus(int bonusIndex);
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void processMaze(int x1, int x2, int y1, int y2);
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void restoreScreen(int screenIndex);
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void restoreEvents(Common::SeekableReadStream *f);
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void saveEvents(Common::WriteStream *f);
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void waitForRefresh(void);
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protected:
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HugoEngine *_vm;
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uint16 _actListArrSize;
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uint16 _alNewscrIndex;
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event_t *_freeEvent; // Free list of event structures
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event_t *_headEvent; // Head of list (earliest time)
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event_t *_tailEvent; // Tail of list (latest time)
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event_t _events[kMaxEvents]; // Statically declare event structures
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act **_actListArr;
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virtual const char *getCypher() = 0;
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virtual event_t *doAction(event_t *curEvent) = 0;
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virtual void delQueue(event_t *curEvent) = 0;
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virtual void insertAction(act *action) = 0;
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event_t *getQueue();
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uint32 getDosTicks(bool updateFl);
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uint32 getWinTicks();
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};
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class Scheduler_v1d : public Scheduler {
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public:
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Scheduler_v1d(HugoEngine *vm);
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~Scheduler_v1d();
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virtual const char *getCypher();
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virtual uint32 getTicks();
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virtual void insertAction(act *action);
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virtual void runScheduler();
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protected:
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virtual void delQueue(event_t *curEvent);
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virtual event_t *doAction(event_t *curEvent);
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};
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class Scheduler_v2d : public Scheduler_v1d {
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public:
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Scheduler_v2d(HugoEngine *vm);
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virtual ~Scheduler_v2d();
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virtual const char *getCypher();
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void insertAction(act *action);
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protected:
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void delQueue(event_t *curEvent);
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event_t *doAction(event_t *curEvent);
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};
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class Scheduler_v3d : public Scheduler_v2d {
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public:
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Scheduler_v3d(HugoEngine *vm);
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~Scheduler_v3d();
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const char *getCypher();
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};
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class Scheduler_v1w : public Scheduler_v3d {
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public:
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Scheduler_v1w(HugoEngine *vm);
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~Scheduler_v1w();
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uint32 getTicks();
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void runScheduler();
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};
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} // End of namespace Hugo
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#endif //HUGO_SCHEDULE_H
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