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Diffstat (limited to 'engines/sword1/router.h')
| -rw-r--r-- | engines/sword1/router.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/engines/sword1/router.h b/engines/sword1/router.h new file mode 100644 index 0000000000..e7c835f6d2 --- /dev/null +++ b/engines/sword1/router.h @@ -0,0 +1,180 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) Revolution Software Ltd. + * + * 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef BSROUTER_H +#define BSROUTER_H + +#include "common/scummsys.h" +#include "sword1/object.h" + +namespace Sword1 { + +#define EXTRA_GRID_SIZE 20 +#define O_GRID_SIZE 200 + +#if !defined(__GNUC__) + #pragma START_PACK_STRUCTS +#endif + +struct BarData { + int16 x1; + int16 y1; + int16 x2; + int16 y2; + int16 xmin; + int16 ymin; + int16 xmax; + int16 ymax; + int16 dx; // x2 - x1 + int16 dy; // y2 - y1 + int32 co; // co = (y1 *dx)- (x1*dy) from an equation for a line y*dx = x*dy + co +} GCC_PACK; + +struct NodeData { + int16 x; + int16 y; + int16 level; + int16 prev; + int16 dist; +} GCC_PACK; + +#if !defined(__GNUC__) + #pragma END_PACK_STRUCTS +#endif + +struct FloorData { + int32 nbars; + BarData *bars; + int32 nnodes; + NodeData *node; +}; + +struct RouteData { + int32 x; + int32 y; + int32 dirS; + int32 dirD; +}; + +struct PathData { + int32 x; + int32 y; + int32 dir; + int32 num; +}; + +#define ROUTE_END_FLAG 255 +#define NO_DIRECTIONS 8 +#define MAX_FRAMES_PER_CYCLE 16 +#define MAX_FRAMES_PER_CHAR (MAX_FRAMES_PER_CYCLE * NO_DIRECTIONS) +#define O_ROUTE_SIZE 50 + +class ObjectMan; +class ResMan; +class Screen; + +extern int whatTarget(int32 startX, int32 startY, int32 destX, int32 destY); + +class Router { +public: + Router(ObjectMan *pObjMan, ResMan *pResMan); + int32 routeFinder(int32 id, Object *mega, int32 x, int32 y, int32 dir); + void setPlayerTarget(int32 x, int32 y, int32 dir, int32 stance); + void resetExtraData(void); + + // these should be private but are read by Screen for debugging: + BarData bars[O_GRID_SIZE+EXTRA_GRID_SIZE]; + NodeData node[O_GRID_SIZE+EXTRA_GRID_SIZE]; + int32 nbars, nnodes; +private: + // when the player collides with another mega, we'll receive a ReRouteRequest here. + // that's why we need to remember the player's target coordinates + int32 _playerTargetX, _playerTargetY, _playerTargetDir, _playerTargetStance; + // additional route data to block parts of the floor and enable routine around megas: + int32 _numExtraBars, _numExtraNodes; + BarData _extraBars[EXTRA_GRID_SIZE]; + NodeData _extraNodes[EXTRA_GRID_SIZE]; + ObjectMan *_objMan; + ResMan *_resMan; + + /*uint8 _nWalkFrames, _nTurnFrames; + int32 _dx[NO_DIRECTIONS + MAX_FRAMES_PER_CHAR]; + int32 _dy[NO_DIRECTIONS + MAX_FRAMES_PER_CHAR]; + int32 _modX[NO_DIRECTIONS]; + int32 _modY[NO_DIRECTIONS]; + int32 _diagonalx, _diagonaly;*/ + + int32 startX, startY, startDir; + int32 targetX, targetY, targetDir; + int32 scaleA, scaleB; + int32 megaId; + + /*RouteData _route[O_ROUTE_SIZE]; + //int32 _routeLength; + PathData _smoothPath[O_ROUTE_SIZE]; + PathData _modularPath[O_ROUTE_SIZE];*/ + RouteData route[O_ROUTE_SIZE]; + PathData smoothPath[O_ROUTE_SIZE]; + PathData modularPath[O_ROUTE_SIZE]; + int32 routeLength; + + int32 framesPerStep, framesPerChar; + uint8 nWalkFrames, nTurnFrames; + int32 _dx[NO_DIRECTIONS + MAX_FRAMES_PER_CHAR]; + int32 _dy[NO_DIRECTIONS + MAX_FRAMES_PER_CHAR]; + int32 modX[NO_DIRECTIONS]; + int32 modY[NO_DIRECTIONS]; + int32 diagonalx, diagonaly; + int32 standFrames; + int32 turnFramesLeft, turnFramesRight; + int32 walkFramesLeft, walkFramesRight; // left/right walking turn + int32 slowInFrames, slowOutFrames; + + + int32 LoadWalkResources(Object *mega, int32 x, int32 y, int32 targetDir); + int32 GetRoute(void); + int32 CheckTarget(int32 x, int32 y); + + int32 Scan(int32 level); + int32 NewCheck(int32 status, int32 x1, int32 x2, int32 y1, int32 y2); + int32 Check(int32 x1, int32 y1, int32 x2, int32 y2); + int32 HorizCheck(int32 x1, int32 y, int32 x2); + int32 VertCheck(int32 x, int32 y1, int32 y2); + int32 LineCheck(int32 x1, int32 y1, int32 x2, int32 y2); + + void ExtractRoute(); + + int32 SlidyPath(); + void SlidyWalkAnimator(WalkData *walkAnim); + + int32 SmoothestPath(); + int32 SmoothCheck(int32 best, int32 p, int32 dirS, int32 dirD); + + int32 SolidPath(); + int32 SolidWalkAnimator(WalkData *walkAnim); + void RouteLine(int32 x1,int32 y1,int32 x2,int32 y2 ,int32 colour); + void BresenhamLine(int32 x1,int32 y1,int32 x2,int32 y2, uint8 *screen, int32 width, int32 height, int32 colour); +}; + +} // End of namespace Sword1 + +#endif //BSROUTER_H |