ai_rule.h

/* 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.
 *
 * Additional copyright for this file:
 * Copyright (C) 1995-1997 Presto Studios, Inc.
 *
 * 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/>.
 *
 */

#ifndef PEGASUS_AI_AIRULE_H
#define PEGASUS_AI_AIRULE_H

#include "common/list.h"

#include "pegasus/ai/ai_action.h"
#include "pegasus/ai/ai_condition.h"

namespace Common {
    class ReadStream;
    class WriteStream;
}

namespace Pegasus {

class AICondition;
class AIAction;

class AIRule {
public:
    AIRule(AICondition *condition, AIAction *rule) {
        _ruleCondition = condition;
        _ruleAction = rule;
        _ruleActive = true;
    }

    ~AIRule() {
        if (_ruleCondition)
            delete _ruleCondition;

        if (_ruleAction)
            delete _ruleAction;
    }

    bool fireRule();

    void activateRule() { _ruleActive = true; }
    void deactivateRule() { _ruleActive = false; }
    bool isRuleActive() { return _ruleActive; }

    void writeAIRule(Common::WriteStream *);
    void readAIRule(Common::ReadStream *);

protected:
    AICondition *_ruleCondition;
    AIAction *_ruleAction;
    bool _ruleActive;
};

class AIRuleList : public Common::List<AIRule *> {
public:
    AIRuleList() {}
    ~AIRuleList() {}

    void writeAIRules(Common::WriteStream *);
    void readAIRules(Common::ReadStream *);
};

} // End of namespace Pegasus

#endif