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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMW_MAP_H
#define _TMW_MAP_H
#include "being.h"
#include "graphic/graphic.h"
#include "resources/image.h"
/**
* A meta tile stores additional information about a location on a tile map.
* This is information that doesn't need to be repeated for each tile in each
* layer of the map.
*/
class MetaTile
{
public:
/**
* Constructor.
*/
MetaTile();
// Pathfinding members
int Fcost; /**< Estimation of total path cost */
int Gcost; /**< Cost from start to this location */
int Hcost; /**< Estimated cost to goal */
int whichList; /**< No list, open list or closed list */
int parentX; /**< X coordinate of parent tile */
int parentY; /**< Y coordinate of parent tile */
bool walkable; /**< Can beings walk on this tile */
};
/**
* A location on a tile map. Used for pathfinding, open list.
*/
class Location
{
public:
/**
* Constructor.
*/
Location(int x, int y, MetaTile *tile);
/**
* Comparison operator.
*/
bool operator< (const Location &loc) const;
int x, y;
MetaTile *tile;
};
/**
* A tile map.
*/
class Map
{
public:
/**
* Constructor.
*/
Map();
/**
* Constructor that takes initial map size as parameters.
*/
Map(int width, int height);
/**
* Destructor.
*/
~Map();
/**
* Loads a map file (gat).
*/
static Map *load(const std::string &mapFile);
/**
* Draws the map to the given graphics output.
*/
void draw(Graphics *graphics, int scrollX, int scrollY, int layer);
/**
* Sets the size of the map. This will destroy any existing map data.
*/
void setSize(int width, int height);
/**
* Set tile ID.
*/
void setTile(int x, int y, int layer, Image *img);
/**
* Get tile ID.
*/
Image *getTile(int x, int y, int layer);
/**
* Get tile reference.
*/
MetaTile *getMetaTile(int x, int y);
/**
* Set walkability flag for a tile
*/
void setWalk(int x, int y, bool walkable);
/**
* Tell if a tile is walkable or not
*/
bool getWalk(int x, int y);
/**
* Returns the width of this map.
*/
int getWidth();
/**
* Returns the height of this map.
*/
int getHeight();
/**
* Returns the tile width of this map.
*/
int getTileWidth();
/**
* Returns the tile height used by this map.
*/
int getTileHeight();
/**
* Find a path from one location to the next.
*/
PATH_NODE *findPath(int startX, int startY, int destX, int destY);
private:
int width, height;
int tileWidth, tileHeight;
MetaTile *metaTiles;
Image **tiles;
// Pathfinding members
int onClosedList, onOpenList;
};
#endif
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