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annotate engine/core/pathfinder/heuristic.cpp @ 549:c9113e23b004

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*Removed the ExactModellCoordinate object from the camera constructor. Attention: Little API change to the camera/map.
author helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 11 Jun 2010 21:29:58 +0000
parents 64738befdf3b
children
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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1 /***************************************************************************
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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90005975cdbb * Final LGPL switch step by adjusting the file headers
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23 #include "util/math/fife_math.h"
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24
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25 // 3rd party library includes
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26
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27 // FIFE includes
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28 // These includes are split up in two parts, separated by one empty line
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29 // First block: files included from the FIFE root src directory
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30 // Second block: files included from the same folder
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31 #include "heuristic.h"
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32
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33 namespace FIFE {
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34
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35 Heuristic* Heuristic::getHeuristic(const std::string& cellgridType) {
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36 if(cellgridType == "square") {
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37 return SquareGridHeuristic::instance();
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38 }
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39
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40 if(cellgridType == "hexagonal") {
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41 return HexGridHeuristic::instance();
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42 }
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43
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44 return 0;
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45 }
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46
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47 SquareGridHeuristic::SquareGridHeuristic(void) {
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48 }
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49
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50 SquareGridHeuristic::~SquareGridHeuristic(void) {
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51 }
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52
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53 float SquareGridHeuristic::calculate(const ModelCoordinate& current, const ModelCoordinate& dest) {
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54 return (float)(ABS(dest.x - current.x) + ABS(dest.y - current.y));
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55 }
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56
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57 HexGridHeuristic::HexGridHeuristic(void) {
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58 }
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59
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60 HexGridHeuristic::~HexGridHeuristic(void) {
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61 }
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62
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63 float HexGridHeuristic::calculate(const ModelCoordinate& current, const ModelCoordinate& dest) {
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64 float cost = (float)(((dest.x - current.x) * (dest.x - current.x)) +
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65 ((dest.y - current.y) * (dest.y - current.y)) +
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66 ((dest.x - current.x) * (dest.y - current.y)));
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67 return cost;
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68 }
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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69 }