1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 #ifndef SLUDGE_FLOOR_H 23 #define SLUDGE_FLOOR_H 24 25 namespace Common { 26 struct Point; 27 class SeekableReadStream; 28 class WriteStream; 29 } 30 31 namespace Sludge { 32 33 class SludgeEngine; 34 struct OnScreenPerson; 35 36 struct FloorPolygon { 37 int numVertices; 38 int *vertexID; 39 }; 40 41 struct Floor { 42 int originalNum; 43 Common::Point *vertex; 44 int numPolygons; 45 FloorPolygon *polygon; 46 int **matrix; 47 }; 48 49 class FloorManager { 50 public: 51 FloorManager(SludgeEngine *vm); 52 ~FloorManager(); 53 54 bool init(); 55 void kill(); 56 57 void setFloorNull(); 58 bool setFloor(int fileNum); 59 void drawFloor(); 60 int inFloor(int x, int y); isFloorNoPolygon()61 bool isFloorNoPolygon() { return !_currentFloor || _currentFloor->numPolygons == 0; } 62 63 // For Person collision detection 64 bool handleClosestPoint(int &setX, int &setY, int &setPoly); 65 bool doBorderStuff(OnScreenPerson *moveMe); 66 67 // Save & load 68 void save(Common::WriteStream *stream); 69 bool load(Common::SeekableReadStream *stream); 70 71 private: 72 Floor *_currentFloor; 73 SludgeEngine *_vm; 74 75 bool getMatchingCorners(FloorPolygon &, FloorPolygon &, int &, int &); 76 bool closestPointOnLine(int &closestX, int &closestY, int x1, int y1, int x2, int y2, int xP, int yP); 77 bool pointInFloorPolygon(FloorPolygon &floorPoly, int x, int y); 78 bool polysShareSide(FloorPolygon &a, FloorPolygon &b); 79 void dumpFloor(int fileNum); 80 }; 81 82 } // End of namespace Sludge 83 84 #endif 85