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/*
* The Mana Server
* Copyright (C) 2004-2010 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/>.
*/
#include "game-server/actor.hpp"
#include "game-server/map.hpp"
#include "game-server/mapcomposite.hpp"
#include <cassert>
void Actor::setPosition(const Point &p)
{
mPos = p;
// Update blockmap
if (getMap())
{
Map *map = getMap()->getMap();
int tileWidth = map->getTileWidth();
int tileHeight = map->getTileHeight();
const Point &oldP = getPosition();
if ((oldP.x / tileWidth != p.x / tileWidth
|| oldP.y / tileHeight != p.y / tileHeight))
{
map->freeTile(oldP.x / tileWidth, oldP.y / tileHeight,
getBlockType());
map->blockTile(p.x / tileWidth, p.y / tileHeight, getBlockType());
}
}
}
void Actor::setMap(MapComposite *mapComposite)
{
assert (mapComposite);
MapComposite *oldMapComposite = getMap();
Point p = getPosition();
if (oldMapComposite)
{
Map *oldMap = oldMapComposite->getMap();
int oldTileWidth = oldMap->getTileWidth();
int oldTileHeight = oldMap->getTileHeight();
oldMap->freeTile(p.x / oldTileWidth, p.y / oldTileHeight,
getBlockType());
}
Thing::setMap(mapComposite);
Map *map = mapComposite->getMap();
int tileWidth = map->getTileWidth();
int tileHeight = map->getTileHeight();
map->blockTile(p.x / tileWidth, p.y / tileHeight, getBlockType());
/* the last line might look illogical because the current position is
* invalid on the new map, but it is necessary to block the old position
* because the next call of setPosition() will automatically free the old
* position. When we don't block the position now the occupation counting
* will be off.
*/
}
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