scummvm/engines/hugo/schedule_v1w.cpp
Arnaud Boutonné a0cc07268d HUGO: Clean up Scheduler
svn-id: r54502
2010-11-26 22:15:31 +00:00

77 lines
2.3 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
// This module contains all the scheduling and timing stuff
#include "common/system.h"
#include "hugo/game.h"
#include "hugo/hugo.h"
#include "hugo/schedule.h"
#include "hugo/global.h"
#include "hugo/file.h"
#include "hugo/display.h"
#include "hugo/parser.h"
#include "hugo/util.h"
#include "hugo/sound.h"
#include "hugo/object.h"
namespace Hugo {
Scheduler_v1w::Scheduler_v1w(HugoEngine *vm) : Scheduler_v3d(vm) {
}
Scheduler_v1w::~Scheduler_v1w() {
}
uint32 Scheduler_v1w::getTicks() {
return getWinTicks();
}
/**
* This is the scheduler which runs every tick. It examines the event queue
* for any events whose time has come. It dequeues these events and performs
* the action associated with the event, returning it to the free queue
*/
void Scheduler_v1w::runScheduler() {
debugC(6, kDebugSchedule, "runScheduler");
uint32 ticker = getTicks(); // The time now, in ticks
event_t *curEvent = _headEvent; // The earliest event
while (curEvent && (curEvent->time <= ticker)) // While mature events found
curEvent = doAction(curEvent); // Perform the action (returns next_p)
_vm->getGameStatus().tick++; // Accessed elsewhere via getTicks()
}
} // End of namespace Hugo