scummvm/engines/sky/autoroute.h
2021-12-26 18:48:43 +01:00

58 lines
1.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef SKY_AUTOROUTE_H
#define SKY_AUTOROUTE_H
#include "common/scummsys.h"
namespace Sky {
struct Compact;
class Grid;
class SkyCompact;
class AutoRoute {
public:
AutoRoute(Grid *pGrid, SkyCompact *compact);
~AutoRoute();
uint16 autoRoute(Compact *cpt);
private:
uint16 checkBlock(uint16 *blockPos);
void clipCoordX(uint16 x, uint8 &blkX, int16 &initX);
void clipCoordY(uint16 y, uint8 &blkY, int16 &initY);
void initWalkGrid(uint8 screen, uint8 width);
bool calcWalkGrid(uint8 startX, uint8 startY, uint8 destX, uint8 destY);
uint16 *makeRouteData(uint8 startX, uint8 startY, uint8 destX, uint8 destY);
uint16 *checkInitMove(uint16 *data, int16 initStaX);
Grid *_grid;
SkyCompact *_skyCompact;
uint16 *_routeGrid;
uint16 *_routeBuf;
static const int16 _routeDirections[4];
static const uint16 _logicCommands[4];
};
} // End of namespace Sky
#endif // AUTOROUTE_H