1 //////////////////////////////////////////////////////////////////////////////// 2 // Scorched3D (c) 2000-2011 3 // 4 // This file is part of Scorched3D. 5 // 6 // Scorched3D is free software; you can redistribute it and/or modify 7 // it under the terms of the GNU General Public License as published by 8 // the Free Software Foundation; either version 2 of the License, or 9 // (at your option) any later version. 10 // 11 // Scorched3D is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 // 16 // You should have received a copy of the GNU General Public License along 17 // with this program; if not, write to the Free Software Foundation, Inc., 18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 //////////////////////////////////////////////////////////////////////////////// 20 21 #if !defined(AFX_HEIGHTMAP_H__F4CB4CAD_C592_4183_AFB2_016FC66C144A__INCLUDED_) 22 #define AFX_HEIGHTMAP_H__F4CB4CAD_C592_4183_AFB2_016FC66C144A__INCLUDED_ 23 24 #include <stdlib.h> 25 #include <common/ProgressCounter.h> 26 #include <common/FixedVector.h> 27 #include <common/Vector.h> 28 29 class Line; 30 class GraphicalHeightMap; 31 class HeightMap 32 { 33 public: 34 HeightMap(); 35 virtual ~HeightMap(); 36 37 void create(int width, int height, bool invertedNormals); 38 void reset(); 39 40 // Height map size fns getMapWidth()41 int getMapWidth() { return width_; } getMapHeight()42 int getMapHeight() { return height_; } 43 44 // Get height fns (z values) getHeight(int w,int h)45 inline fixed getHeight(int w, int h) { 46 if (w >= 0 && h >= 0 && w<=width_ && h<=height_) 47 return heightData_[(width_+1) * h + w].position[2]; 48 return fixed(0); } 49 fixed getInterpHeight(fixed w, fixed h); 50 51 // Get normal functions 52 FixedVector &getNormal(int w, int h); 53 void getInterpNormal(fixed w, fixed h, FixedVector &normal); 54 55 bool getIntersect(Line &direction, Vector &intersect); 56 57 // Alters the actual internal HeightMap points 58 void setHeight(int w, int h, fixed height); 59 getGraphicalMap()60 GraphicalHeightMap *getGraphicalMap() { return graphicalMap_; } setGraphicalMap(GraphicalHeightMap * map)61 void setGraphicalMap(GraphicalHeightMap *map) { graphicalMap_ = map; } 62 63 protected: 64 struct HeightData 65 { 66 FixedVector position; 67 FixedVector normal; 68 }; 69 70 bool invertedNormals_; 71 int width_, height_; 72 HeightData *heightData_; 73 GraphicalHeightMap *graphicalMap_; 74 75 bool getVector(FixedVector &vec, int x, int y); 76 void getVectorPos(int pos, int &x, int &y, int dist=1); 77 }; 78 79 #endif // !defined(AFX_HEIGHTMAP_H__F4CB4CAD_C592_4183_AFB2_016FC66C144A__INCLUDED_) 80 81