diff --git a/ADeditor/ADeditor.pro.user b/ADeditor/ADeditor.pro.user
index 9d8fe6c..a9301bc 100644
--- a/ADeditor/ADeditor.pro.user
+++ b/ADeditor/ADeditor.pro.user
@@ -15,7 +15,7 @@
   <valuemap type="QVariantMap">
    <value key="ProjectExplorer.ProjectConfiguration.DisplayName" type="QString">Настольный компьютер</value>
    <value key="ProjectExplorer.ProjectConfiguration.Id" type="QString">Qt4ProjectManager.Target.DesktopTarget</value>
-   <value key="ProjectExplorer.Target.ActiveBuildConfiguration" type="int">0</value>
+   <value key="ProjectExplorer.Target.ActiveBuildConfiguration" type="int">1</value>
    <value key="ProjectExplorer.Target.ActiveRunConfiguration" type="int">0</value>
    <valuemap key="ProjectExplorer.Target.BuildConfiguration.0" type="QVariantMap">
     <valuemap key="ProjectExplorer.BuildConfiguration.BuildStep.0" type="QVariantMap">
@@ -78,7 +78,7 @@
     <value key="ProjectExplorer.ProjectConfiguration.DisplayName" type="QString">Release</value>
     <value key="ProjectExplorer.ProjectConfiguration.Id" type="QString">Qt4ProjectManager.Qt4BuildConfiguration</value>
     <value key="Qt4ProjectManager.Qt4BuildConfiguration.BuildConfiguration" type="int">0</value>
-    <value key="Qt4ProjectManager.Qt4BuildConfiguration.BuildDirectory" type="QString">C:/Users/Andrey/Desktop/aliendefender/ADeditor-build-desktop</value>
+    <value key="Qt4ProjectManager.Qt4BuildConfiguration.BuildDirectory" type="QString">C:/Users/Andrey/Desktop/build-AD</value>
     <value key="Qt4ProjectManager.Qt4BuildConfiguration.QtVersionId" type="int">9</value>
     <value key="Qt4ProjectManager.Qt4BuildConfiguration.ToolChain" type="int">2</value>
     <value key="Qt4ProjectManager.Qt4BuildConfiguration.UseShadowBuild" type="bool">true</value>
diff --git a/ad_graphics.cpp b/ad_graphics.cpp
index a3f91f0..834d502 100644
--- a/ad_graphics.cpp
+++ b/ad_graphics.cpp
@@ -28,12 +28,24 @@ AD_Graphics::~AD_Graphics()
 	delete scene;
 }
 
+
 void AD_Graphics::mouseDoubleClickEvent(QMouseEvent *)
 {
 	core->nextWave();
 }
 
 
+void AD_Graphics::mousePressEvent(QMouseEvent *event)
+{
+	if (event->button() == Qt::LeftButton)
+		core->adtowers->addTower(0,1,(QPointF(event->pos())/cellSize-QPointF(0.5,0.5)).toPoint());
+	if (event->button() == Qt::RightButton)
+		core->adtowers->addTower(0,0,(QPointF(event->pos())/cellSize-QPointF(0.5,0.5)).toPoint());
+	if (event->button() == Qt::MidButton)
+		core->adtowers->delTower((QPointF(event->pos())/cellSize-QPointF(0.5,0.5)).toPoint());
+}
+
+
 void AD_Graphics::timerEvent(QTimerEvent * )
 {
 	//qDebug() << data->curAliens.size();
diff --git a/ad_graphics.h b/ad_graphics.h
index 4a6598d..4d5b347 100644
--- a/ad_graphics.h
+++ b/ad_graphics.h
@@ -24,6 +24,7 @@ private:
 	void drawBackground(QPainter * p, const QRectF &);
 	void loadImages();
 	void mouseDoubleClickEvent(QMouseEvent *);
+	void mousePressEvent(QMouseEvent *event);
 
 	QGraphicsScene * scene;
 	Game_Data * data;
@@ -32,7 +33,7 @@ private:
 	//QGraphicsWidget * gsw;
 
 protected:
-    void timerEvent(QTimerEvent * );
+	void timerEvent(QTimerEvent * );
 };
 
 #endif // AD_GRAPHICS_H
diff --git a/adcore.cpp b/adcore.cpp
index 554ccf7..bac16ad 100644
--- a/adcore.cpp
+++ b/adcore.cpp
@@ -26,11 +26,11 @@ AD_Core::AD_Core(QObject *parent) :
 //	adaliens->AddAlien(0);
 	adtowers->addTower(0,2,QPoint(22,7));
 	for (int i=0; i<20;i++)
-		adtowers->addTower(0,1,QPoint(8,20-i));
-	for (int i=0; i<20; i++)
-		adtowers->addTower(0,0,QPoint(12,i));
-	for (int i=0; i<20;i++)
-		adtowers->addTower(0,1,QPoint(16,20-i));
+//		adtowers->addTower(0,1,QPoint(8,20-i));
+//	for (int i=0; i<20; i++)
+//		adtowers->addTower(0,0,QPoint(12,i));
+//	for (int i=0; i<20;i++)
+//		adtowers->addTower(0,1,QPoint(16,20-i));
 	waveInProgress = false;
 	startTimer(20);
 }
diff --git a/aliens.cpp b/aliens.cpp
index f5e4e7c..1cd5075 100644
--- a/aliens.cpp
+++ b/aliens.cpp
@@ -25,7 +25,11 @@ void Aliens::addAlien(int srcId)
 	al.pathIndex = 1;
 	al.angle = 180.0f*(- std::atan2( al.pos.x() - al.path.at(al.pathIndex).x(),al.pos.y() - al.path.at(al.pathIndex).y()))/M_PI;
 	al.animIndex = 0.f;
-	if (al.path.isEmpty()) qFatal("ERROR create path");
+	if (al.path.isEmpty())
+	{
+		qCritical("ERROR create path");
+		return; // FIXME: this
+	}
 	//qDebug() << al.path;
 	al.health = gameData->srcAliens.at(srcId).health;
 	al.speed = gameData->srcAliens.at(srcId).speed;
diff --git a/map.cpp b/map.cpp
index d3b354a..6c61bee 100644
--- a/map.cpp
+++ b/map.cpp
@@ -78,6 +78,19 @@ void Map::removeAliensPath()
 	}
 }
 
+
+void Map::delTowerOnMap(int playerId, QPoint pos)
+{
+	bool * pathOK;
+	pathOK = new bool();
+	emit recreateAlienPath(pathOK);
+	Cells[pos.x()][pos.y()]=Player+playerId;
+	Cells[pos.x()+1][pos.y()]=Player+playerId;
+	Cells[pos.x()][pos.y()+1]=Player+playerId;
+	Cells[pos.x()+1][pos.y()+1]=Player+playerId;
+}
+
+
 bool Map::addTowerOnMap(int playerId, QPoint pos)
 {
 	//qDebug() << pos;
@@ -109,15 +122,26 @@ bool Map::addTowerOnMap(int playerId, QPoint pos)
 		}
 		return true;
 	}
-	if (Cells[pos.x()][pos.y()]==AlienPath+playerId &&
-		Cells[pos.x()+1][pos.y()]==AlienPath+playerId &&
-		Cells[pos.x()][pos.y()+1]==AlienPath+playerId &&
-		Cells[pos.x()+1][pos.y()+1]==AlienPath+playerId)
+	if ((Cells[pos.x()][pos.y()]==AlienPath+Player+playerId || Cells[pos.x()][pos.y()]==Player+playerId) &&
+		(Cells[pos.x()+1][pos.y()]==AlienPath+Player+playerId || Cells[pos.x()+1][pos.y()]==Player+playerId)  &&
+		(Cells[pos.x()][pos.y()+1]==AlienPath+Player+playerId || Cells[pos.x()][pos.y()+1]==Player+playerId)  &&
+		(Cells[pos.x()+1][pos.y()+1]==AlienPath+Player+playerId || Cells[pos.x()+1][pos.y()+1]==Player+playerId))
 	{
 		Cells[pos.x()][pos.y()]=PlayerTower-playerId;
 		Cells[pos.x()+1][pos.y()]=PlayerTower-playerId;
 		Cells[pos.x()][pos.y()+1]=PlayerTower-playerId;
 		Cells[pos.x()+1][pos.y()+1]=PlayerTower-playerId;
+		for (int i=0; i<Starts.size(); i++) {
+			for (int j=0; j<Finishs.size(); j++) {
+				if (waveTrace(Starts.at(i),Finishs.at(j))<0) {
+					Cells[pos.x()][pos.y()]=Player+playerId;
+					Cells[pos.x()+1][pos.y()]=Player+playerId;
+					Cells[pos.x()][pos.y()+1]=Player+playerId;
+					Cells[pos.x()+1][pos.y()+1]=Player+playerId;
+					return false;
+				}
+			}
+		}
 		//		bool ok=true;
 		//		for (int i=0; i<Starts.size(); i++)
 		//			for (int j=0; j<Finishs.size(); j++)
@@ -137,14 +161,17 @@ bool Map::addTowerOnMap(int playerId, QPoint pos)
 		qDebug() << *pathOK;
 		if (!pathOK)
 		{
-			Cells[pos.x()][pos.y()]=AlienPath+playerId;
-			Cells[pos.x()+1][pos.y()]=AlienPath+playerId;
-			Cells[pos.x()][pos.y()+1]=AlienPath+playerId;
-			Cells[pos.x()+1][pos.y()+1]=AlienPath+playerId;
+			Cells[pos.x()][pos.y()]=Player+playerId;
+			Cells[pos.x()+1][pos.y()]=Player+playerId;
+			Cells[pos.x()][pos.y()+1]=Player+playerId;
+			Cells[pos.x()+1][pos.y()+1]=Player+playerId;
 			emit recreateAlienPath(pathOK);
 			return false;
 		}
 		return true;
+	} else {
+		qDebug() << Cells[pos.x()][pos.y()] << Cells[pos.x()+1][pos.y()] << Cells[pos.x()][pos.y()+1] << Cells[pos.x()+1][pos.y()+1];
+		qDebug() << playerId;
 	}
 	qDebug()<<"Dont buid here" << pos;
 	return false;
@@ -204,8 +231,16 @@ QVector<QPointF> Map::createPath(QPoint start, QPoint finish)
 	QVector<QPointF> tmpPath;
 	QVector<QPointF> path;
 	//PathIndex = 1;
-	if (Cells[start.x()][start.y()] < 0) qDebug("ERROR invalid start"),exit(-1);
-	if (Cells[finish.x()][finish.y()] < 0) qDebug("ERROR invalid finish"),exit(-1);
+	if (Cells[start.x()][start.y()] < 0)
+	{
+		qDebug("ERROR invalid start");
+		return path;
+	}
+	if (Cells[finish.x()][finish.y()] < 0)
+	{
+		qDebug("ERROR invalid finish");
+		return path;
+	}
 	srcPath = invWaveTrace(finish,waveTrace(start,finish));
 	for (int i=0; i<srcPath.size();i++)
 	{
diff --git a/map.h b/map.h
index 1aa2fb2..982c77d 100644
--- a/map.h
+++ b/map.h
@@ -34,7 +34,7 @@ public:
 	explicit Map(QByteArray data, QSize size, QString name, int maxPlayers, int image, QObject *parent = 0);
 	bool addTowerOnMap(int playerId, QPoint pos);
 	bool isFreePlace(QPoint pos);
-	void delTowerOnMap(QPoint pos);
+	void delTowerOnMap(int playerId, QPoint pos);
 	void removeAliensPath();
 	QVector <QPointF> createPath(QPoint start, QPoint finish);
 	QRect rect() const {return QRect(QPoint(),mapSize);}
diff --git a/towers.cpp b/towers.cpp
index c20feab..c4acecd 100644
--- a/towers.cpp
+++ b/towers.cpp
@@ -22,6 +22,11 @@ bool Towers::addTower(int playerId, int srcId, QPoint pos)
 		qCritical("ERROR out of towers range");
 		return false;
 	}
+	QRect alrec(pos,QSize(1,1));
+	for (QHash<int, AlienType>::iterator i = gameData->curAliens.begin(); i != gameData->curAliens.end(); ++i)
+	{
+		if (alrec.contains((*i).pos.toPoint())) return false;
+	}
 	TowerType tw;
 	tw.src = srcId;
 	tw.imgType = gameData->players.at(playerId)->srcTowers.at(srcId).imgType;
@@ -46,7 +51,11 @@ bool Towers::addTower(int playerId, int srcId, QPoint pos)
 
 void Towers::delTower(QPoint pos)
 {
-	gameData->curTowers.remove(pos);
+	if (gameData->curTowers.contains(pos))
+	{
+		gameData->map->delTowerOnMap(gameData->curTowers.value(pos).PlayerId,pos);
+		gameData->curTowers.remove(pos);
+	}
 }