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/*
* The Mana Server
* Copyright (C) 2004-2011 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server 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 Server 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 Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAP_H
#define MAP_H
#include <list>
#include <map>
#include <string>
#include <vector>
#include "utils/logger.h"
#include "utils/point.h"
#include "utils/string.h"
typedef std::list<Point> Path;
enum BlockType
{
BLOCKTYPE_NONE = -1,
BLOCKTYPE_WALL,
BLOCKTYPE_CHARACTER,
BLOCKTYPE_MONSTER,
NB_BLOCKTYPES
};
/**
* 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:
MetaTile()
: blockmask(0)
{
for (unsigned i = 0; i < NB_BLOCKTYPES; ++i)
occupation[i] = 0;
}
unsigned occupation[NB_BLOCKTYPES];
char blockmask; /**< walkability bitfield */
};
class MapObject
{
public:
MapObject(const Rectangle &bounds,
const std::string &name,
const std::string &type)
: mBounds(bounds),
mName(name),
mType(type)
{ }
void addProperty(const std::string &key, const std::string &value)
{
if (mProperties.contains(key))
LOG_WARN("Duplicate property " << key <<
" of object " << mName);
else
mProperties.insert(key, value);
}
const std::string &getProperty(const std::string &key) const
{ return mProperties.value(key); }
const std::string &getName() const
{ return mName; }
const std::string &getType() const
{ return mType; }
const Rectangle &getBounds() const
{ return mBounds; }
int getX() const { return mBounds.x; }
int getY() const { return mBounds.y; }
private:
Rectangle mBounds;
std::string mName;
std::string mType;
utils::NameMap<std::string> mProperties;
};
/**
* A tile map.
*/
class Map
{
public:
/**
* Constructor that takes initial map size as parameters.
*/
Map(int width, int height,
int tileWidth, int tileHeight);
~Map();
/**
* Sets the size of the map. This will destroy any existing map data.
*/
void setSize(int width, int height);
/**
* Marks a tile as occupied
*/
void blockTile(int x, int y, BlockType type);
/**
* Marks a tile as unoccupied
*/
void freeTile(int x, int y, BlockType type);
/**
* Gets walkability for a tile with a blocking bitmask
*/
bool getWalk(int x, int y, char walkmask = BLOCKMASK_WALL) const;
/**
* Tells if a tile location is within the map range.
*/
bool contains(int x, int y) const
{ return x >= 0 && y >= 0 && x < mWidth && y < mHeight; }
/**
* Returns the width of this map.
*/
int getWidth() const
{ return mWidth; }
/**
* Returns the height of this map.
*/
int getHeight() const
{ return mHeight; }
/**
* Returns the tile width of this map.
*/
int getTileWidth() const
{ return mTileWidth; }
/**
* Returns the tile height used by this map.
*/
int getTileHeight() const
{ return mTileHeight; }
/**
* Returns a general map property defined in the map file
*/
const std::string &getProperty(const std::string &key) const;
/**
* Sets a map property
*/
void setProperty(const std::string &key, const std::string &val)
{ mProperties[key] = val; }
/**
* Adds an object.
*/
void addObject(MapObject *object)
{ mMapObjects.push_back(object); }
/**
* Returns the objects of the map.
*/
const std::vector<MapObject*> &getObjects() const
{ return mMapObjects; }
/**
* Find a path from one location to the next.
*/
Path findPath(int startX, int startY,
int destX, int destY,
unsigned char walkmask,
int maxCost = 20) const;
/**
* Blockmasks for different entities
*/
static const unsigned char BLOCKMASK_WALL = 0x80; // = bin 1000 0000
static const unsigned char BLOCKMASK_CHARACTER = 0x01;// = bin 0000 0001
static const unsigned char BLOCKMASK_MONSTER = 0x02; // = bin 0000 0010
private:
// map properties
int mWidth, mHeight;
int mTileWidth, mTileHeight;
std::map<std::string, std::string> mProperties;
std::vector<MetaTile> mMetaTiles;
std::vector<MapObject*> mMapObjects;
};
#endif
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