segmap.h

/* 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 TOLTECS_SEGMAP_H
#define TOLTECS_SEGMAP_H
 
#include "common/array.h"
 
#include "toltecs/screen.h"
 
namespace Toltecs {
 
struct ScriptWalk {
    int16 y, x;
    int16 y1, x1, y2, x2;
    int16 yerror, xerror;
    int16 mulValue;
    int16 scaling;
};
 
struct SegmapMaskRect {
    int16 x, y;
    int16 width, height;
    int16 priority;
    Graphics::Surface *surface;
};
 
class SegmentMap {
public:
    SegmentMap(ToltecsEngine *vm);
    ~SegmentMap();
 
    void load(byte *source);
 
    int16 findPathRectAtPoint(int16 x, int16 y);
    void adjustPathPoint(int16 &x, int16 &y);
 
    void findPath(int16 *pointsArray, int16 destX, int16 destY, int16 sourceX, int16 sourceY);
 
    int8 getScalingAtPoint(int16 x, int16 y);
    void getRgbModifiertAtPoint(int16 x, int16 y, int16 id, byte &r, byte &g, byte &b);
 
    void addMasksToRenderQueue();
 
//protected:
public: // for debugging purposes
 
    struct SegmapPathRect {
        int16 x1, y1, x2, y2;
    };
 
    struct SegmapInfoRect {
        int16 y, x;
        int16 height, width;
        byte id;
        byte a, b, c;
        inline bool isPointInside(int16 px, int16 py) {
            return py >= y && py <= y + height && px >= x && px <= x + width;
        }
    };
 
    struct PathPoint {
        int16 y, x;
 
        PathPoint() : x(0), y(0) {}
    };
 
    typedef Common::Array<SegmapMaskRect> SegmapMaskRectArray;
    typedef Common::Array<SegmapPathRect> SegmapPathRectArray;
    typedef Common::Array<SegmapInfoRect> SegmapInfoRectArray;
 
    ToltecsEngine *_vm;
 
    SegmapMaskRectArray _maskRects;
    byte *_maskRectData;
 
    SegmapPathRectArray _pathRects;
    SegmapInfoRectArray _infoRects;
 
    int16 _deadEndPathRects[1000];
    uint _deadEndPathRectsCount;
 
    int16 _closedPathRects[1000];
    uint _closedPathRectsCount;
 
    PathPoint _pathNodes[1000];
    int16 _pathNodesCount;
 
    int16 findNextPathRect(int16 srcRectIndex, int16 destX, int16 destY);
 
    void loadSegmapMaskRectSurface(byte *maskData, SegmapMaskRect &maskRect);
    void freeSegmapMaskRectSurfaces();
 
};
 
} // End of namespace Toltecs
 
#endif /* TOLTECS_SEGMAP_H */