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 23 #ifndef SKY_AUTOROUTE_H 24 #define SKY_AUTOROUTE_H 25 26 27 #include "common/scummsys.h" 28 29 namespace Sky { 30 31 struct Compact; 32 class Grid; 33 class SkyCompact; 34 35 class AutoRoute { 36 public: 37 AutoRoute(Grid *pGrid, SkyCompact *compact); 38 ~AutoRoute(); 39 uint16 autoRoute(Compact *cpt); 40 private: 41 uint16 checkBlock(uint16 *blockPos); 42 void clipCoordX(uint16 x, uint8 &blkX, int16 &initX); 43 void clipCoordY(uint16 y, uint8 &blkY, int16 &initY); 44 void initWalkGrid(uint8 screen, uint8 width); 45 bool calcWalkGrid(uint8 startX, uint8 startY, uint8 destX, uint8 destY); 46 uint16 *makeRouteData(uint8 startX, uint8 startY, uint8 destX, uint8 destY); 47 uint16 *checkInitMove(uint16 *data, int16 initStaX); 48 Grid *_grid; 49 SkyCompact *_skyCompact; 50 uint16 *_routeGrid; 51 uint16 *_routeBuf; 52 static const int16 _routeDirections[4]; 53 static const uint16 _logicCommands[4]; 54 }; 55 56 } // End of namespace Sky 57 58 #endif // AUTOROUTE_H 59