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76 lines
2.3 KiB
C++
76 lines
2.3 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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*/
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#ifndef ILLUSIONS_UPDATEFUNCTIONS_H
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#define ILLUSIONS_UPDATEFUNCTIONS_H
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#include "common/func.h"
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#include "common/list.h"
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namespace Illusions {
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enum {
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kUFNext = 1, // Run next update funtion
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kUFTerminate = 2 // Terminate update function
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};
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typedef Common::Functor1<uint, int> UpdateFunctionCallback;
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class UpdateFunction {
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public:
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int _priority;
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uint32 _sceneId;
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uint _flags;
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UpdateFunctionCallback *_callback;
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UpdateFunction() : _priority(0), _sceneId(0), _flags(0), _callback(0) {}
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~UpdateFunction() { delete _callback; }
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void terminate() { _flags |= 1; }
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int run() { return (*_callback)(_flags); }
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};
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class UpdateFunctions {
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public:
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UpdateFunctions();
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~UpdateFunctions();
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void add(int priority, uint32 sceneId, UpdateFunctionCallback *callback);
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void update();
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void terminateByScene(uint32 sceneId);
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protected:
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typedef Common::List<UpdateFunction*> UpdateFunctionList;
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typedef UpdateFunctionList::iterator UpdateFunctionListIterator;
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struct FindInsertionPosition : public Common::UnaryFunction<const UpdateFunction*, bool> {
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int _priority;
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FindInsertionPosition(int priority) : _priority(priority) {}
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bool operator()(const UpdateFunction *updateFunction) const {
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return updateFunction->_priority > _priority;
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}
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};
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Common::List<UpdateFunction*> _updateFunctions;
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uint32 _lastTimerUpdateTime;
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};
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} // End of namespace Illusions
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#endif // ILLUSIONS_UPDATEFUNCTIONS_H
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