map.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 HDB_MAP_H
#define HDB_MAP_H

namespace HDB {

enum {
    kMaxGratings = 250,
    kMaxForegrounds = 250
};

struct MSMIcon {
    uint16  icon;                   // index into icon list
    uint16  x;
    uint16  y;

    char    funcInit[32];       // Lua init function for this entity
    char    funcAction[32];
    char    funcUse[32];
    uint16  dir;                    // direction entity is facing
    uint16  level;                  // which floor level entity is on
    uint16  value1, value2;

    MSMIcon(): icon(0), x(0), y(0), dir(0), level(0), value1(0), value2(0) {
        funcInit[0] = 0;
        funcAction[0] = 0;
        funcUse[0] = 0;
    }
};

struct Foreground {
    uint16 x;
    uint16 y;
    uint16 tile;

    Foreground() : x(0), y(0), tile(0) {}
};

struct SeeThroughTile {
    uint16 x;
    uint16 y;
    uint16 tile;

    SeeThroughTile() : x(0), y(0), tile(0) {}
};

class Map {
public:
    Map();
    ~Map();

    void save(Common::OutSaveFile *out);
    void loadSaveFile(Common::InSaveFile *in);
    void restartSystem();

    int loadTiles();
    bool load(Common::SeekableReadStream *stream);
    bool loadMap(char *name);
    void draw();
    void drawEnts();
    void drawGratings();
    void drawForegrounds();

    bool isLoaded() {
        return _mapLoaded;
    }

    bool onScreen(int x, int y);
    int mapPixelWidth() {
        return _width * kTileWidth;
    }
    int mapPixelHeight() {
        return _height * kTileHeight;
    }

    uint32 getMapBGTileFlags(int x, int y);
    uint32 getMapFGTileFlags(int x, int y);
    int16 getMapBGTileIndex(int x, int y);
    int16 getMapFGTileIndex(int x, int y);
    void setMapBGTileIndex(int x, int y, int index);
    void setMapFGTileIndex(int x, int y, int index);
    void addBGTileAnimation(int x, int y);
    void addFGTileAnimation(int x, int y);
    void removeBGTileAnimation(int x, int y);
    void removeFGTileAnimation(int x, int y);

    void getMapXY(int *x, int *y);
    void setMapXY(int x, int y);
    void centerMapXY(int x, int y);
    bool checkEntOnScreen(AIEntity *);
    bool checkXYOnScreen(int x, int y);

    // Check if one of the tiles in a range exists in the map on either layer
    bool checkOneTileExistInRange(int tileIndex, int count);

    bool explosionExist(int x, int y) {
        return _mapExplosions[y * _width + x];
    }
    void setExplosion(int x, int y, int value) {
        _mapExplosions[y * _width + x] = value;
    }

    bool boomBarrelExist(int x, int y) {
        return _mapExpBarrels[y * _width + x];
    }
    void setBoomBarrel(int x, int y, int value) {
        _mapExpBarrels[y * _width + x] = value;
    }

    bool laserBeamExist(int x, int y) {
        return _mapLaserBeams[y * _width + x];
    }
    void setLaserBeam(int x, int y, int value) {
        _mapLaserBeams[y * _width + x] = value;
    }
    void clearLaserBeams() {
        uint size = _width * _height;
        memset(_mapLaserBeams, 0, size);
    }

    // Platform-specific Constants;
    int _screenXTiles;
    int _screenYTiles;
    int _screenTileWidth;
    int _screenTileHeight;

    uint16 _width, _height;
    int _mapX, _mapY; // Coordinates of Map
    int _mapTileX, _mapTileY; // Tile Coordinates of Map
    int _mapTileXOff, _mapTileYOff; // Tile Coordinates Offset (0-31)

    Foreground _gratings[kMaxGratings], _foregrounds[kMaxForegrounds];
    int _numGratings, _numForegrounds;

    int _animCycle; // Tile Animation Counter
    Common::Array<uint32> _listBGAnimSlow;
    Common::Array<uint32> _listBGAnimMedium;
    Common::Array<uint32> _listBGAnimFast;
    Common::Array<uint32> _listFGAnimSlow;
    Common::Array<uint32> _listFGAnimMedium;
    Common::Array<uint32> _listFGAnimFast;

private:
    char _name[32];
    uint32 _backgroundOffset;
    uint32 _foregroundOffset;
    uint16 _iconNum;
    uint32 _iconListOffset;
    uint16 _infoNum;
    uint32 _infoListOffset;

    int16 *_background;
    int16 *_foreground;
    MSMIcon *_iconList;

    byte *_mapExplosions;
    byte *_mapExpBarrels;
    byte *_mapLaserBeams;

    bool _mapLoaded;
};
}

#endif // !HDB_MAP_H