condition.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.
 *
 * 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 PINK_CONDITION_H
#define PINK_CONDITION_H

#include "pink/objects/object.h"

namespace Pink {

class Actor;

class Condition : public Object {
public:
    void deserialize(Archive &archive) override = 0;
    virtual bool evaluate(const Actor *actor) const = 0;
};

class ConditionVariable : public Condition {
public:

    void deserialize(Archive &archive) override;
    bool evaluate(const Actor *actor) const override = 0;

protected:
    Common::String _name;
    Common::String _value;
};

class ConditionGameVariable : public ConditionVariable {
public:
    void toConsole() const override;
    bool evaluate(const Actor *actor) const override;
};

/*
 * It is not used in games and has evaluate method with infinity recursion
class ConditionNotGameVariable : public ConditionGameVariable {
    virtual bool evaluate(LeadActor *leadActor);
};
 */

class ConditionModuleVariable : public ConditionVariable {
public:
    void toConsole() const override;
    bool evaluate(const Actor *actor) const override;
};

class ConditionNotModuleVariable : public ConditionModuleVariable {
public:
    void toConsole() const override;
    bool evaluate(const Actor *actor) const override;
};

class ConditionPageVariable : public ConditionVariable {
public:
    void toConsole() const override;
    bool evaluate(const Actor *actor) const override;
};

class ConditionNotPageVariable : public ConditionPageVariable {
public:
    void toConsole() const override;
    bool evaluate(const Actor *actor) const override;
};

class ConditionInventoryItemOwner : public Condition {
public:
    void toConsole() const override;
    void deserialize(Archive &archive) override;
    bool evaluate(const Actor *actor) const override;

protected:
    Common::String _item;
    Common::String _owner;
};

class ConditionNotInventoryItemOwner : public ConditionInventoryItemOwner {
public:
    void toConsole() const override;
    bool evaluate(const Actor *actor) const override;
};

} // End of namespace Pink

#endif