scummvm/gui/animation/WaitForConditionAnimation.h
2021-12-26 18:48:43 +01:00

71 lines
1.8 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/>.
*
*/
// Based on code by omergilad.
#ifndef GUI_ANIMATION_WAITFORCONDITIONANIMATION_H
#define GUI_ANIMATION_WAITFORCONDITIONANIMATION_H
#include "gui/animation/Animation.h"
namespace GUI {
class Condition {
public:
virtual ~Condition() {}
virtual bool evaluate() = 0;
};
typedef Common::SharedPtr<Condition> ConditionPtr;
/**
* Used for delaying the animation sequence until a certain condition has been met
*/
class WaitForConditionAnimation: public Animation {
public:
WaitForConditionAnimation() {}
virtual ~WaitForConditionAnimation() {}
virtual void update(Drawable *drawable, long currentTime) {
// Check the condition - if it has been met, finish.
if (_condition.get() != NULL && _condition->evaluate()) {
finishAnimation();
}
}
ConditionPtr getCondition() const {
return _condition;
}
void setCondition(ConditionPtr condition) {
_condition = condition;
}
private:
ConditionPtr _condition;
};
} // End of namespace GUI
#endif /* GUI_ANIMATION_WAITFORCONDITIONANIMATION_H */