scummvm/engines/twp/task.h
2024-04-17 21:35:26 +02:00

70 lines
1.7 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 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TWP_TASK_H
#define TWP_TASK_H
#include "common/str.h"
#include "twp/detection.h"
#include "twp/thread.h"
namespace Twp {
class Task {
public:
virtual ~Task() {}
virtual bool update(float elapsed) = 0;
};
typedef bool Predicate();
template<typename Predicate>
class BreakWhileCond final : public Task {
public:
BreakWhileCond(int parentId, const Common::String &name, Predicate cond)
: _parentId(parentId),
_name(name),
_cond(Common::move(cond)) {
}
virtual ~BreakWhileCond() override final {}
virtual bool update(float elapsed) override final {
if (_cond())
return false;
Common::SharedPtr<Thread> pt(sqthread(_parentId));
if (pt) {
debugC(kDebugGame, "Resume task: %d, %s", _parentId, pt->getName().c_str());
pt->resume();
}
return true;
}
private:
int _parentId = 0;
Common::String _name;
Predicate _cond;
};
} // namespace Twp
#endif