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/* |
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* Copyright (C) 2000-2004 Object Oriented Parallel Simulation Engine (OOPSE) project |
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* |
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* Contact: oopse@oopse.org |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public License |
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* as published by the Free Software Foundation; either version 2.1 |
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* of the License, or (at your option) any later version. |
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* All we ask is that proper credit is given for our work, which includes |
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* - but is not limited to - adding the above copyright notice to the beginning |
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* of your source code files, and to any copyright notice that you may distribute |
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* with programs based on this work. |
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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 Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* |
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*/ |
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|
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/** |
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* @file Snapshot.hpp |
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* @author tlin |
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* @date 10/20/2004 |
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* @time 23:56am |
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* @version 1.0 |
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*/ |
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|
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#ifndef BRAINS_SNAPSHOT_HPP |
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#define BRAINS_SNAPSHOT_HPP |
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|
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#include <vector> |
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|
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#include "math/Vector3.hpp" |
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#include "math/SquareMatrix3.hpp" |
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|
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using namespace std; |
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|
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namespace oopse{ |
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|
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enum DataStorageLayout { |
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dslPosition = 1, |
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dslVelocity = 2, |
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dslAMat = 4, |
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dslAngularMomentum = 8, |
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dslUnitVector = 16, |
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dslZAngle = 32, |
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dslForce = 64, |
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dslTorque = 128 |
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}; |
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//forward declaration |
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class Snapshot; |
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class SnapshotManager; |
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class StuntDouble; |
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|
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/** |
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* @class DataStorage |
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* @brief |
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* @warning do not try to insert element into (or ease element from) private member data |
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* of DataStorage directly. |
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*/ |
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class DataStorage { |
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public: |
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DataStorage() {}; |
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DataStorage(size_t size); |
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|
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int size(); |
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void resize(size_t size); |
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void reserve(size_t size); |
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|
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friend class Snapshot; |
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friend class StuntDouble; |
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private: |
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vector<Vector3d> position; /** position array */ |
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vector<Vector3d> velocity; /** velocity array */ |
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vector<RotMat3x3d> aMat; /** rotation matrix array */ |
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vector<Vector3d> angularMomentum;/** velocity array */ |
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vector<Vector3d> unitVector; /** the lab frame unit vector array*/ |
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vector<double> zAngle; /** z -angle array */ |
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vector<Vector3d> force; /** force array */ |
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vector<Vector3d> torque; /** torque array */ |
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|
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}; |
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|
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/** |
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* @class Snapshot Snapshot.hpp "brains/Snapshot.hpp" |
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* @brief Snapshot class is a repository class for storing dynamic data during |
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* Simulation |
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* Every snapshot class will contain one DataStorage for atoms and one DataStorage |
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* for rigid bodies. |
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* @see SimData |
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*/ |
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class Snapshot { |
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public: |
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|
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Snapshot(int nAtoms, int nRigidbodies) { |
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atomData.resize(nAtoms); |
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rigidbodyData.resize(nRigidbodies); |
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} |
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|
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Snapshot(const Snapshot& s); |
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|
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Snapshot& operator =(const Snapshot& s); |
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|
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/** Returns the id of this Snapshot */ |
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int getID() { |
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return id_; |
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} |
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|
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/** Sets the id of this Snapshot */ |
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void setID(int id) { |
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id_ = id; |
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} |
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|
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//template<typename T> |
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//static typename T::ElemPointerType getArrayPointer(vector<T>& v) { |
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// return v[0]->getArrayPointer(); |
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//} |
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|
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static double* getArrayPointer(vector<Vector3d>& v) { |
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assert(v.size() > 0); |
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return v[0].getArrayPointer(); |
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} |
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|
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static double* getArrayPointer(vector<RotMat3x3d>& v) { |
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assert(v.size() > 0); |
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return v[0].getArrayPointer(); |
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} |
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|
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static double* getArrayPointer(vector<double>& v) { |
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assert(v.size() > 0); |
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return &(v[0]); |
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} |
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|
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int getSize() { |
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return atomData.size() + rigidbodyData.size(); |
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} |
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|
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int getSizeOfAtoms() { |
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return atomData.size(); |
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} |
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|
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int getSizeOfRigidBodies() { |
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return rigidbodyData.size(); |
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} |
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|
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DataStorage atomData; |
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DataStorage rigidbodyData; |
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|
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friend class StuntDouble; |
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private: |
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|
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int id_; /**< identification number of the snapshot */ |
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}; |
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|
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typedef DataStorage (Snapshot::*DataStoragePointer); |
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} |
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#endif //BRAINS_SNAPSHOT_HPP |
