maps.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 MM1_MAPS_MAPS_H
#define MM1_MAPS_MAPS_H

#include "common/array.h"
#include "common/rect.h"
#include "graphics/managed_surface.h"
#include "mm/mm1/maps/map.h"

namespace MM {
namespace MM1 {
namespace Maps {

enum TownId {
    NO_TOWN = 0, SORPIGAL = 1, PORTSMITH = 2,
    ALGARY = 3, DUSK = 4, ERLIQUIN = 5
};

enum DirMask {
    DIRMASK_N = 0xC0, DIRMASK_E = 0x30,
    DIRMASK_S = 0xC, DIRMASK_W = 3
};

enum StateFlag {
    SFLAG_SPELLS_DISALLOWED = 2
};

enum Visited {
    VISITED_NONE = 0, VISITED_NORMAL = 1, VISITED_SPECIAL = 2,
    VISITED_EXIT = 3, VISITED_BUSINESS = 4  
};

class Maps {
    friend class Map;
private:
    Common::Array<Map *> _maps;
    uint16 _id = 0;
    uint8 _section = 0;
private:
    uint getIndex(uint16 id, byte section);

    void load(uint mapId);

    void loadTiles();
    void loadTile();

    void town15setup();

    void town23setup();

    void town4setup();

    void updateMasksOffsets();

public:
    Common::Array<Graphics::ManagedSurface> _tiles[3];
    uint _mapId = (uint)-1;
    Common::Point _mapPos;
    uint _mapOffset = 0;
    Map *_currentMap = nullptr;
    byte _currentWalls = 0;
    byte _currentState = 0;
    int _colorOffset = 0;

    DirMask _forwardMask = DIRMASK_N,
        _leftMask = DIRMASK_W,
        _rightMask = DIRMASK_E,
        _backwardsMask = DIRMASK_S;
    int8 _forwardOffset = 0, _leftOffset = 0;
    int8 _rightOffset = 0, _backwardsOffset = 0;
    int _loadId = 0;
    int _loadArea = 0;
    int _loadSection = 0;
    byte _loadFlag = 0;
public:
    Maps();
    ~Maps();

    void synchronize(Common::Serializer &s);

    void synchronizeCurrent(Common::Serializer &s);

    void select(uint16 id, byte section);

    void display(uint16 id, byte section = 1);

    void loadTown(TownId townId);

    Map *getMap(uint mapId) const { return _maps[mapId]; }

    void turnLeft();

    void turnRight();

    void turnAround();

    void step(const Common::Point &delta);

    void changeMap(uint16 id, byte section);

    void visitedTile();

    void clearSpecial();

    static Common::Point getMoveDelta(byte mask);
};

} // namespace Maps

extern Maps::Maps *g_maps;

} // namespace MM1
} // namespace MM

#endif