mirror of
https://github.com/worldforge/cyphesis
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87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2000,2001 Alistair Riddoch
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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 2 of the License, or
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// (at your option) any later version.
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//
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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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//
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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, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef RULESETS_MOVEMENT_H
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#define RULESETS_MOVEMENT_H
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#include "physics/Vector3D.h"
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#include <wfmath/point.h>
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#include <Atlas/Objects/ObjectsFwd.h>
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class LocatedEntity;
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class Location;
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/// \brief Base class for handling Character movement
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///
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/// This class should be replaced by a base class for handling all entity
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/// movement.
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class Movement {
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private:
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Movement(const Movement &) = delete;
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Movement & operator=(const Movement &) = delete;
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protected:
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/// The Entity this Movement is tracking.
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LocatedEntity & m_body;
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/// The destination position.
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Point3D m_targetPos;
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int m_serialno;
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public:
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explicit Movement(LocatedEntity & body);
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virtual ~Movement();
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int serialno() const {
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return m_serialno;
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}
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bool hasTarget() const {
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return m_targetPos.isValid();
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}
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void setTarget(const Point3D & target) {
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m_targetPos = target;
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}
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void reset();
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bool updateNeeded(const Location & location) const;
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/// \brief Determine the time before the next update is required.
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///
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/// Calculate how long before the Entity will reach its intended target.
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/// If there is no target, or the target is some distance away, then
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/// the default tick is returned.
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/// @param coordinates the current position.
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/// @param velocity the current velocity.
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virtual double getTickAddition(const Point3D & coordinates,
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const Vector3D & velocity) const = 0;
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/// \brief Calculate the update position of the entity.
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///
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/// @param return_location the returned Location data.
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virtual int getUpdatedLocation(Location & return_location) = 0;
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/// \brief Generate a new Move operation to implement the movement.
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///
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/// Create a Move operation object, and set up the argument to describe
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/// how the Entity is moving.
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/// @param new_location Location data about the entity once movement has
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/// changed.
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virtual Atlas::Objects::Operation::RootOperation generateMove(const Location & new_location) = 0;
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};
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#endif // RULESETS_MOVEMENT_H
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