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/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2005 The ScummVM project
*
* 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.
*
* $Header$
*
*/
#ifndef QUEENGRID_H
#define QUEENGRID_H
#include "common/util.h"
#include "queen/structs.h"
namespace Queen {
enum GridScreen {
GS_ROOM = 0,
GS_PANEL = 1,
GS_COUNT = 2
};
class QueenEngine;
class Grid {
public:
Grid(QueenEngine *vm);
~Grid();
//! read areas data from specified stream
void readDataFrom(uint16 numObjects, uint16 numRooms, byte *&ptr);
//! defines a new zone
void setZone(GridScreen screen, uint16 zoneNum, uint16 x1, uint16 y1, uint16 x2, uint16 y2);
//! defines a new zone
void setZone(GridScreen screen, uint16 zoneNum, const Box &box);
//! find the zone number containing the specified point
uint16 findZoneForPos(GridScreen screen, uint16 x, uint16 y) const;
//! find the area number containing the specified point
uint16 findAreaForPos(GridScreen screen, uint16 x, uint16 y) const;
//! clear the zones for current room
void clear(GridScreen screen);
//! setup objects zones for the specified room
void setupNewRoom(uint16 room, uint16 firstRoomObjNum);
//! setup panel zones
void setupPanel();
//! draw the zones for current room (debug only)
void drawZones();
//! retuns a reference to the specified zone
const Box *zone(GridScreen screen, uint16 index) const;
//! get the verb for the specified cursor position
Verb findVerbUnderCursor(int16 cursorx, int16 cursory) const;
//! get the object for the specified cursor position
uint16 findObjectUnderCursor(int16 cursorx, int16 cursory) const;
//! get the object for the specified zone number
uint16 findObjectNumber(uint16 zoneNum) const;
//! get scale for the specified position
uint16 findScale(uint16 x, uint16 y) const;
//! returns a reference to the specfied room area
Area *area(int room, int num) const { return &_area[room][num]; }
//! returns the number of areas in this room
uint16 areaMax(int room) const { return _areaMax[room]; }
//! returns the number of objects in this room
uint16 objMax(int room) const { return _objMax[room]; }
void saveState(byte *&ptr);
void loadState(uint32 ver, byte *&ptr);
enum {
MAX_ZONES_NUMBER = 32,
MAX_AREAS_NUMBER = 11
};
private:
struct ZoneSlot {
bool valid;
Box box;
};
//! current room zones
ZoneSlot _zones[GS_COUNT][MAX_ZONES_NUMBER];
//! number of objects for each room
int16 *_objMax;
//! number of areas for each room
int16 *_areaMax;
//! areas for each room
Area (*_area)[MAX_AREAS_NUMBER];
//! total number of room areas
uint16 _numRoomAreas;
//! box/zone for each objects
Box *_objectBox;
QueenEngine *_vm;
};
} // End of namespace Queen
#endif
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