hexgrid.h

00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 #ifndef FIFE_MODEL_GRIDS_HEXGRID_H
00023 #define FIFE_MODEL_GRIDS_HEXGRID_H
00024 
00025 // Standard C++ library includes
00026 
00027 // 3rd party library includes
00028 
00029 // FIFE includes
00030 // These includes are split up in two parts, separated by one empty line
00031 // First block: files included from the FIFE root src directory
00032 // Second block: files included from the same folder
00033 #include "cellgrid.h"
00034 
00035 namespace FIFE {
00036     class HexGrid: public CellGrid {
00037     public:
00038         HexGrid(bool allow_diagonals=false);
00039         virtual ~HexGrid();
00040 
00041         bool isAccessible(const ModelCoordinate& curpos, const ModelCoordinate& target);
00042         const std::string& getType() const;
00043         const std::string& getName() const;
00044         float getAdjacentCost(const ModelCoordinate& curpos, const ModelCoordinate& target);
00045         unsigned int getCellSideCount() const { return 6; }
00046         ExactModelCoordinate toMapCoordinates(const ExactModelCoordinate& layer_coords);
00047         ModelCoordinate toLayerCoordinates(const ExactModelCoordinate& map_coord);
00048         ExactModelCoordinate toExactLayerCoordinates(const ExactModelCoordinate& map_coord);
00049         void getVertices(std::vector<ExactModelCoordinate>& vtx, const ModelCoordinate& cell);
00050         CellGrid* clone();
00051 
00052     private:
00053         double getXZigzagOffset(double y);
00054     };
00055 }
00056 
00057 #endif
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