WorldState.hh

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/*
 * Copyright 2011 Nate Koenig
 *
 * 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: A world state
 * Author: Nate Koenig
 */

#ifndef _WORLD_STATE_HH_
#define _WORLD_STATE_HH_

#include <string>
#include <vector>

#include "sdf/sdf.hh"
#include "physics/State.hh"
#include "physics/ModelState.hh"

namespace gazebo
{
  namespace physics
  {

    class WorldState : public State
    {
      public: WorldState();

      public: WorldState(WorldPtr _world);

      public: virtual ~WorldState();

      public: virtual void Load(sdf::ElementPtr _elem);

      public: unsigned int GetModelStateCount() const;

      public: const sdf::ElementPtr &GetSDF() const;

      public: ModelState GetModelState(unsigned int _index) const;

      public: ModelState GetModelState(const std::string &_modelName) const;

      private: std::vector<ModelState> modelStates;

      private: sdf::ElementPtr sdf;
    };
  }
}
#endif