C:/Users/Marc/Desktop/Phystank/trunk/src/game/PolygonCollisionShape.h

//This file is part of PhysTank.
//
//PhysTank 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 3 of the License, or
//(at your option) any later version.
//
//PhysTank 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 PhysTank.  If not, see <http://www.gnu.org/licenses/>.
//
// © Marc Johnson, 2009

#ifndef _POLYGONCOLLISIONSHAPE_
#define _POLYGONCOLLISIONSHAPE_

#include <iostream>
#include <vector>

#include "game/BaseCollisionShape.h"

#include "util/Vector2.h"

class PolygonCollisionShape : public BaseCollisionShape
{
public:
        typedef std::vector<Vector2> VertexVector;
private:

        VertexVector m_vertices;

public:
        PolygonCollisionShape() { }

        PolygonCollisionShape(const Material & material)
        :BaseCollisionShape(material)
        {
        }

        VertexVector & GetVertices() { return m_vertices; }
        const VertexVector & GetVertices() const { return m_vertices; }

        virtual void FromStream(std::istream& is);
        virtual void ToStream(std::ostream& os) const;

        virtual COLLISIONSHAPETYPE GetType() const { return COLLISIONSHAPETYPE_POLYGON; }
};

inline void PolygonCollisionShape::FromStream(std::istream& is) 
{
        BaseCollisionShape::FromStream(is);

        int nNumShapes = 0;
        is >> nNumShapes;

        for(int i = 0; i < nNumShapes; ++i)
        {
                Vector2 vertex;
                is >> vertex;
                m_vertices.push_back(vertex);
        }
}

inline void PolygonCollisionShape::ToStream(std::ostream& os) const
{
        BaseCollisionShape::ToStream(os);

        os << m_vertices.size() << " ";

        for(size_t i = 0; i < m_vertices.size(); ++i)
        {
                os << m_vertices[i] << " ";
        }
}

#endif

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