ICmpUnitMotionManager.h

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/* Copyright (C) 2021 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef INCLUDED_ICMPUNITMOTIONMANAGER
#define INCLUDED_ICMPUNITMOTIONMANAGER
 
#include "simulation2/system/Interface.h"
 
class CCmpUnitMotion;
 
/**
 * UnitMotionManager - handles motion for CCmpUnitMotion.
 * This allows units to push past each other instead of requiring pathfinder computations,
 * making movement much smoother overall.
 */
class ICmpUnitMotionManager : public IComponent
{
public:
    DECLARE_INTERFACE_TYPE(UnitMotionManager)
 
private:
    /**
     * This class makes no sense outside of CCmpUnitMotion. This enforces that tight coupling.
     */
    friend class CCmpUnitMotion;
 
    virtual void Register(CCmpUnitMotion* component, entity_id_t ent, bool formationController) = 0;
    virtual void Unregister(entity_id_t ent) = 0;
 
    /**
     * True if entities are currently in the "Move" phase.
     */
    virtual bool ComputingMotion() const = 0;
 
    /**
     * @return whether pushing is currently enabled or not.
     */
    virtual bool IsPushingActivated() const = 0;
 
};
 
#endif // INCLUDED_ICMPUNITMOTIONMANAGER