pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/physics/PhysicsFactory.hh

90 lines
3.0 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/*
* Desc: Factory for creating physics engine
* Author: Nate Koenig
* Date: 21 May 2009
*/
#ifndef _PHYSICSFACTORY_HH_
#define _PHYSICSFACTORY_HH_
#include <string>
#include <map>
#include "gazebo/physics/PhysicsTypes.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace physics
{
/// \addtogroup gazebo_physics
/// \{
/// \def PhysicsFactoryFn
/// \brief Prototype for physics factory functions.
typedef PhysicsEnginePtr (*PhysicsFactoryFn) (WorldPtr world);
/// \class PhysicsFactory PhysicsFactory.hh physics/physics.hh
/// \brief The physics factory instantiates different physics engines.
class GZ_PHYSICS_VISIBLE PhysicsFactory
{
/// \brief Register everything.
public: static void RegisterAll();
/// \brief Register a physics class.
/// \param[in] _className Name of the physics class.
/// \param[in] _factoryfn Function pointer used to create a physics
/// engine.
public: static void RegisterPhysicsEngine(std::string _className,
PhysicsFactoryFn _factoryfn);
/// \brief Create a new instance of a physics engine.
/// \param[in] _className Name of the physics class.
/// \param[in] _world World to pass to the created physics engine.
public: static PhysicsEnginePtr NewPhysicsEngine(
const std::string &_className, WorldPtr _world);
/// \brief Check if a physics engine is registered.
/// \param[in] _name Name of the physics engine.
/// \return True if physics engine is registered, false otherwise.
public: static bool IsRegistered(const std::string &_name);
/// \brief A list of registered physics classes.
private: static std::map<std::string, PhysicsFactoryFn> engines;
};
/// \brief Static physics registration macro
///
/// Use this macro to register physics engine with the server.
/// \param[in] name Physics type name, as it appears in the world file.
/// \param[in] classname C++ class name for the physics engine.
#define GZ_REGISTER_PHYSICS_ENGINE(name, classname) \
PhysicsEnginePtr New##classname(WorldPtr _world) \
{ \
return PhysicsEnginePtr(new gazebo::physics::classname(_world)); \
} \
void Register##classname() \
{\
PhysicsFactory::RegisterPhysicsEngine(name, New##classname);\
}
/// \}
}
}
#endif