48 lines
1.5 KiB
C++
48 lines
1.5 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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* 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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef NANCY_STATE_STATE_H
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#define NANCY_STATE_STATE_H
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#include "engines/nancy/commontypes.h"
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#include "common/singleton.h"
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namespace Nancy {
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namespace State {
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// Base class for all states. Provides a simple API for handling state switching
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class State {
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public:
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State() {}
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virtual ~State() {};
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virtual void process() = 0;
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virtual void onStateEnter(const NancyState::NancyState prevState) {}
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// Return true when the state needs to be destroyed
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virtual bool onStateExit(const NancyState::NancyState nextState) { return false; }
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};
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} // End of namespace State
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} // End of namespace Nancy
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#endif // NANCY_STATE_STATE_H
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