room.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 DARKSEED_ROOM_H
#define DARKSEED_ROOM_H

#include "common/rect.h"
#include "darkseed/nsp.h"
#include "darkseed/pal.h"
#include "darkseed/pic.h"
#include "sound.h"

namespace Darkseed {

struct RoomExit {
    uint16 x = 0;
    uint16 y = 0;
    uint16 width = 0;
    uint16 height = 0;
    uint16 roomNumber = 0;
    uint8 direction = 0;
};

struct RoomStruct2 {
    uint8 strip[40];
};

struct RoomObjElement {
    uint16 type = 0;
    uint16 objNum = 0;
    uint16 xOffset = 0;
    uint16 yOffset = 0;
    uint16 width = 0;
    uint16 height = 0;
    uint8 depth = 0;
    uint8 spriteNum = 0;
};

class Room {
    bool _palLoaded = false;

public:
    static constexpr int MAX_CONNECTORS = 12;
    uint8 _roomNumber;
    Pic _pic;
    Pal _pal;
    Pal _workPal; // used to darken the sky.
    Nsp _locationSprites;
    Common::Array<int16> _locObjFrame;
    Common::Array<int16> _locObjFrameTimer;

    Common::Array<RoomExit> _room1;
    Common::Array<RoomStruct2> _walkableLocationsMap;
    Common::Array<RoomObjElement> _roomObj;
    Common::Array<Common::Point> _connectors;

    uint16 _selectedObjIndex = 0;
    int16 _collisionType = 0;

    explicit Room(int roomNumber);

    void initRoom();
    void draw();

    void update();

    int checkCursorAndMoveableObjects();
    int checkCursorAndStaticObjects(int x, int y);
    int CheckCursorAndMovedObjects();
    int getRoomExitAtCursor();
    void getWalkTargetForObjectType_maybe(int objId);
    int getObjectUnderCursor();
    uint16 getDoorTargetRoom(int objId);
    int getExitRoomNumberAtPoint(int x, int y);
    bool exitRoom();
    Common::String getRoomFilenameBase(int roomNumber);
    bool canWalkAtLocation(int x, int y);
    bool canWalkInLineToTarget(int x, int y, int targetX, int targetY);
    void printRoomDescriptionText() const;
    void calculateScaledSpriteDimensions(int width, int height, int curYPosition);
    bool isOutside() const;
    bool isGiger();
    void runRoomObjects();
    void removeObjectFromRoom(int16 objNum);
    void updateRoomObj(int16 objNum, int16 x, int16 width, int16 y, int16 height);
    bool advanceFrame(int animIdx);
    void mikeStickThrowAnim();
    void loadRoom61AWalkableLocations();
    void restorePalette();
    void installPalette();
    void darkenSky();
    void loadLocationSprites(const Common::Path &path);
    Common::Point getExitPointForRoom(uint8 roomNumber);
    static MusicId getMusicIdForRoom(uint8 roomNumber);
    void loadRoomMusic();

private:
    bool load();
    static Common::String stripSpaces(const Common::String &source);
    void drawTrunk();
    void advanceLocAnimFrame(int roomObjIdx);
    void dosDemoFixupRoomObjects();
};

} // namespace Darkseed

#endif // DARKSEED_ROOM_H