--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/model/structures/map.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,151 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2008 by the FIFE team                              *
+ *   http://www.fifengine.de                                               *
+ *   This file is part of FIFE.                                            *
+ *                                                                         *
+ *   FIFE 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 St, Fifth Floor, Boston, MA  02110-1301  USA              *
+ ***************************************************************************/
+
+// Standard C++ library includes
+#include <string>
+
+// 3rd party library includes
+#include <boost/lexical_cast.hpp>
+
+// FIFE includes
+// These includes are split up in two parts, separated by one empty line
+// First block: files included from the FIFE root src directory
+// Second block: files included from the same folder
+#include "util/base/exception.h"
+#include "util/structures/purge.h"
+
+#include "map.h"
+#include "layer.h"
+
+namespace FIFE {
+
+	Map::Map(const std::string& identifier, TimeProvider* tp_master):
+		m_id(identifier), 
+		m_timeprovider(tp_master),
+		m_changelisteners(),
+		m_changedlayers(),
+		m_changed(false) {
+	}
+
+	Map::~Map() {
+		deleteLayers();
+	}
+
+	Layer* Map::getLayer(const std::string& id) {
+		std::list<Layer*>::const_iterator it = m_layers.begin();
+		for(; it != m_layers.end(); ++it) {
+			if((*it)->getId() == id)
+				return *it;
+		}
+
+		throw NotFound(id);
+	}
+
+	size_t Map::getNumLayers() const {
+		return m_layers.size();
+	}
+
+	Layer* Map::createLayer(const std::string& identifier, CellGrid* grid) {
+		std::list<Layer*>::const_iterator it = m_layers.begin();
+		for(; it != m_layers.end(); ++it) {
+			if(identifier == (*it)->getId())
+				throw NameClash(identifier);
+		}
+
+		Layer* layer = new Layer(identifier, this, grid);
+		m_layers.push_back(layer);
+		m_changed = true;
+		std::vector<MapChangeListener*>::iterator i = m_changelisteners.begin();
+		while (i != m_changelisteners.end()) {
+			(*i)->onLayerCreate(this, layer);
+			++i;
+		}
+		
+		return layer;
+	}
+
+	void Map::deleteLayer(Layer* layer) {
+		std::list<Layer*>::iterator it = m_layers.begin();
+		for(; it != m_layers.end(); ++it) {
+			if((*it) == layer) {
+				std::vector<MapChangeListener*>::iterator i = m_changelisteners.begin();
+				while (i != m_changelisteners.end()) {
+					(*i)->onLayerDelete(this, layer);
+					++i;
+				}
+				delete layer;
+				m_layers.erase(it);
+				return ;
+			}
+		}
+		m_changed = true;
+	}
+
+	void Map::deleteLayers() {
+		std::list<Layer*>::iterator it = m_layers.begin();
+		for(; it != m_layers.end(); ++it) {
+			std::vector<MapChangeListener*>::iterator i = m_changelisteners.begin();
+			while (i != m_changelisteners.end()) {
+				(*i)->onLayerDelete(this, *it);
+				++i;
+			}
+		}
+		purge(m_layers);
+		m_layers.clear();
+	}
+
+	bool Map::update() {
+		m_changedlayers.clear();
+		std::list<Layer*>::iterator it = m_layers.begin();
+		for(; it != m_layers.end(); ++it) {
+			if ((*it)->update()) {
+				m_changedlayers.push_back(*it);
+			}
+		}
+		if (!m_changedlayers.empty()) {
+			std::vector<MapChangeListener*>::iterator i = m_changelisteners.begin();
+			while (i != m_changelisteners.end()) {
+				(*i)->onMapChanged(this, m_changedlayers);
+				++i;
+			}
+		}
+		bool retval = m_changed;
+		m_changed = false;
+		return retval;
+	}
+	
+	void Map::addChangeListener(MapChangeListener* listener) {
+		m_changelisteners.push_back(listener);
+	}
+
+	void Map::removeChangeListener(MapChangeListener* listener) {
+		std::vector<MapChangeListener*>::iterator i = m_changelisteners.begin();
+		while (i != m_changelisteners.end()) {
+			if ((*i) == listener) {
+				m_changelisteners.erase(i);
+				return;
+			}
+			++i;
+		}
+	}
+
+} //FIFE
+