@Override
    public void writeToNBT(NBTTagCompound var1)
    {
        super.writeToNBT(var1);
        CoroUtilNBT.writeCoords("posPointStart", posPointStart, var1);
        CoroUtilNBT.writeCoords("posPointEnd", posPointEnd, var1);
        var1.setInteger("thickness", thickness);
        var1.setInteger("height", height);

        NBTTagCompound data = new NBTTagCompound();
        for (int i = 0; i < listConnectedIDs.size(); i++) {
            data.setInteger("data_" + i, listConnectedIDs.get(i));
        }
        var1.setCompoundTag("listConnectedIDs", data);
        data = new NBTTagCompound();
        for (int i = 0; i < listConnectedLinePoints.size(); i++) {
            data.setFloat("data_" + i, listConnectedLinePoints.get(i));
        }
        var1.setCompoundTag("listConnectedLinePoints", data);

        NBTTagCompound dataHeightMap = new NBTTagCompound();

        int writeCount = 0;
        Iterator it = heightMap.entrySet().iterator();
        while (it.hasNext()) {
            writeCount++;
            Map.Entry pairs = (Map.Entry)it.next();
            long key = (Long)pairs.getKey();
            int height = (Integer)pairs.getValue();
            dataHeightMap.setInteger(""+key, height);
        }
        //System.out.println("writeCount: " + writeCount);
        var1.setCompoundTag("dataHeightMap", dataHeightMap);
    }

    @Override
    public void readFromNBT(NBTTagCompound var1)
    {
        super.readFromNBT(var1);
        posPointStart = CoroUtilNBT.readCoords("posPointStart", var1);
        posPointEnd = CoroUtilNBT.readCoords("posPointEnd", var1);
        thickness = var1.getInteger("thickness");
        height = var1.getInteger("height");

        Collection dataListCl = var1.getCompoundTag("listConnectedIDs").getTags();
        Iterator it = dataListCl.iterator();
        while (it.hasNext()) {
            NBTTagInt data = (NBTTagInt)it.next();
            listConnectedIDs.add(data.data);
        }

        dataListCl = var1.getCompoundTag("listConnectedLinePoints").getTags();
        it = dataListCl.iterator();
        while (it.hasNext()) {
            NBTTagFloat data = (NBTTagFloat)it.next();
            listConnectedLinePoints.add(data.data);
        }

        int readCount = 0;
        it = var1.getCompoundTag("dataHeightMap").getTags().iterator();
        while (it.hasNext()) {
            readCount++;
            NBTTagInt data = (NBTTagInt)it.next();
            heightMap.put(Long.valueOf(data.getName()), data.data);
        }
        //System.out.println("readCount: " + readCount);
        updateCache = true; //mark to update, cant update till all town objects are registered
    }