6042c2cb63
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@3526 178a84e3-b1eb-0310-8ba1-8eac791a3b58
68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
// $Id$
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//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2009 Joerg Henrichs
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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 General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (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
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#ifndef HEADER_QUAD_SET_HPP
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#define HEADER_QUAD_SET_HPP
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#include <vector>
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#include <string>
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#include "tracks/quad.hpp"
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class Vec3;
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class XMLNode;
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class QuadSet {
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private:
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/** The 2d bounding box, used for hashing. */
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// FIXME: named with z being the forward axis
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float m_xMin, m_xMax, m_zMin, m_zMax;
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/** The list of all quads. */
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std::vector<Quad*> m_all_quads;
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void load (const std::string &filename);
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void getPoint(const XMLNode *xml, const std::string &attribute_name,
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Vec3 *result) const;
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float sideOfLine2D(const Vec3 &l1, const Vec3 &l2, const Vec3 &p) const;
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public:
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static const int QUAD_NONE=-1;
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QuadSet (const std::string& filename);
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int getQuadAtPos (const Vec3& p) const;
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const Quad& getQuad(int n) const {return *(m_all_quads[n]); }
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int getCurrentQuad(const Vec3& p, int oldQuad) const;
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bool pointInQuad (const Quad& q, const btVector3& p) const;
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/** Returns true if the point p is in the n-th. quad. */
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bool pointInQuad (int n, const btVector3& p) const
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{return pointInQuad(*m_all_quads[n],p);}
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void getBoundingBox(float* xMin, float* xMax,
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float* zMin, float* zMax) const
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{ *xMin=m_xMin; *xMax=m_xMax;
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*zMin=m_zMin; *zMax=m_zMax;}
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/** Returns the number of quads. */
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unsigned int getNumberOfQuads() const
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{return (unsigned int)m_all_quads.size(); }
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/** Returns the center of quad n. */
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const Vec3& getCenterOfQuad(int n) const
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{return m_all_quads[n]->getCenter(); }
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/** Returns the n-th. quad. */
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const Quad& getQuad(int n) {return *(m_all_quads[n]); }
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}; // QuadSet
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#endif
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