scummvm/engines/mutationofjb/tasks/sequentialtask.cpp
2018-08-25 23:12:01 +02:00

62 lines
1.6 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.
*
*/
#include "mutationofjb/tasks/sequentialtask.h"
#include "mutationofjb/tasks/taskmanager.h"
namespace MutationOfJB {
SequentialTask::SequentialTask(const TaskPtrs &tasks) : _tasks(tasks) {
}
void SequentialTask::start() {
setState(RUNNING);
runTasks();
}
void SequentialTask::update() {
runTasks();
}
void SequentialTask::runTasks() {
while (true) {
if (_tasks.empty()) {
setState(FINISHED);
return;
}
const TaskPtr &task = _tasks.front();
switch (task->getState()) {
case IDLE:
getTaskManager()->startTask(task);
break;
case RUNNING:
return;
case FINISHED:
_tasks.remove_at(0);
break;
}
}
}
}