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/* 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.
*
*/
#ifndef ZVISION_ACTION_NODE_H
#define ZVISION_ACTION_NODE_H
#include "common/types.h"
namespace ZVision {
class ZVision;
class ActionNode {
public:
virtual ~ActionNode() {}
/**
* Processes the node given the deltaTime since last frame
*
* @param deltaTimeInMillis The number of milliseconds that have passed since last frame
* @return If true, the node can be deleted after process() finishes
*/
virtual bool process(uint32 deltaTimeInMillis) = 0;
};
class TimerNode : public ActionNode {
public:
TimerNode(ZVision *engine, uint32 key, uint timeInSeconds);
/**
* Decrement the timer by the delta time. If the timer is finished, set the status
* in _globalState and let this node be deleted
*
* @param deltaTimeInMillis The number of milliseconds that have passed since last frame
* @return If true, the node can be deleted after process() finishes
*/
bool process(uint32 deltaTimeInMillis);
private:
ZVision *_engine;
uint32 _key;
uint32 _timeLeft;
};
} // End of namespace ZVision
#endif
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