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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.h"
#include "game-server/map.h"
#include "game-server/mapcomposite.h"
#include <cassert>
ActorComponent::ActorComponent(Entity &entity):
mMoveTime(0),
mUpdateFlags(0),
mPublicID(65535),
mSize(0),
mWalkMask(0),
mBlockType(BLOCKTYPE_NONE)
{
entity.signal_removed.connect(
sigc::mem_fun(this, &ActorComponent::removed));
entity.signal_map_changed.connect(
sigc::mem_fun(this, &ActorComponent::mapChanged));
}
void ActorComponent::removed(Entity *entity)
{
// Free the map position
if (MapComposite *mapComposite = entity->getMap())
{
Map *map = mapComposite->getMap();
int tileWidth = map->getTileWidth();
int tileHeight = map->getTileHeight();
Point oldP = getPosition();
map->freeTile(oldP.x / tileWidth, oldP.y / tileHeight, getBlockType());
}
}
void ActorComponent::setPosition(Entity &entity, const Point &p)
{
// Update blockmap
if (MapComposite *mapComposite = entity.getMap())
{
Map *map = mapComposite->getMap();
int tileWidth = map->getTileWidth();
int tileHeight = map->getTileHeight();
if ((mPos.x / tileWidth != p.x / tileWidth
|| mPos.y / tileHeight != p.y / tileHeight))
{
map->freeTile(mPos.x / tileWidth, mPos.y / tileHeight,
getBlockType());
map->blockTile(p.x / tileWidth, p.y / tileHeight, getBlockType());
}
}
mPos = p;
}
void ActorComponent::mapChanged(Entity *entity)
{
const Point p = getPosition();
Map *map = entity->getMap()->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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