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https://github.com/libretro/scummvm.git
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70 lines
1.7 KiB
C++
70 lines
1.7 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef TWP_TASK_H
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#define TWP_TASK_H
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#include "common/str.h"
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#include "twp/detection.h"
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#include "twp/thread.h"
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namespace Twp {
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class Task {
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public:
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virtual ~Task() {}
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virtual bool update(float elapsed) = 0;
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};
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typedef bool Predicate();
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template<typename Predicate>
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class BreakWhileCond final : public Task {
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public:
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BreakWhileCond(int parentId, const Common::String &name, Predicate cond)
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: _parentId(parentId),
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_name(name),
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_cond(Common::move(cond)) {
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}
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virtual ~BreakWhileCond() override final {}
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virtual bool update(float elapsed) override final {
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if (_cond())
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return false;
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Common::SharedPtr<Thread> pt(sqthread(_parentId));
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if (pt) {
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debugC(kDebugGame, "Resume task: %d, %s", _parentId, pt->getName().c_str());
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pt->resume();
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}
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return true;
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}
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private:
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int _parentId = 0;
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Common::String _name;
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Predicate _cond;
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};
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} // namespace Twp
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#endif
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