public static void writeNBT(NBTTagCompound data) {
        NBTTagCompound dimList = new NBTTagCompound();

        for (int dimIndex = 0; dimIndex < HWDimensionManager.registeredDimensions.size(); dimIndex++) {
            int dimID = HWDimensionManager.registeredDimensions.get(dimIndex);

            //Invasions
            NBTTagCompound invasionList = new NBTTagCompound();
            for (int j = 0; j < WorldDirector.curInvasions.get(dimID).size(); j++) {
                Invasion invasion = WorldDirector.curInvasions.get(dimID).get(j);
                NBTTagCompound invasionData = new NBTTagCompound();
                invasion.writeNBT(invasionData);
                invasionList.setCompoundTag("invasion_" + j, invasionData);
            }

            //Curses
            NBTTagCompound curseList = new NBTTagCompound();
            for (int j = 0; j < WorldDirector.coordCurses.get(dimID).size(); j++) {
                CursedArea curse = WorldDirector.coordCurses.get(dimID).get(j);
                NBTTagCompound curseData = new NBTTagCompound();
                curse.writeNBT(curseData);
                curseList.setCompoundTag("curse_" + j, curseData);
            }

            //Surface Caves
            NBTTagCompound surfaceCaveList = new NBTTagCompound();
            for (int j = 0; j < WorldDirector.coordSurfaceCaves.get(dimID).size(); j++) {
                ChunkCoordinates coords = WorldDirector.coordSurfaceCaves.get(dimID).get(j);
                NBTTagCompound coordData = new NBTTagCompound();
                HostileWorlds.writeChunkCoords("coord", coords, coordData);
                //curse.writeNBT(coordData);
                curseList.setCompoundTag("surfaceCave_" + j, coordData);
            }

            //Caves - this might not need to be written out, its a lot of data too
            NBTTagCompound caveList = new NBTTagCompound();
            for (int j = 0; j < WorldDirector.coordCaves.get(dimID).size(); j++) {
                ChunkCoordinates coords = WorldDirector.coordCaves.get(dimID).get(j);
                NBTTagCompound coordData = new NBTTagCompound();
                HostileWorlds.writeChunkCoords("coord", coords, coordData);
                //curse.writeNBT(coordData);
                curseList.setCompoundTag("cave_" + j, coordData);
            }

            //Invasion Sources
            NBTTagCompound invasionSourceList = new NBTTagCompound();
            for (int j = 0; j < WorldDirector.coordInvasionSources.get(dimID).size(); j++) {
                ChunkCoordinates coords = WorldDirector.coordInvasionSources.get(dimID).get(j);
                NBTTagCompound coordData = new NBTTagCompound();
                HostileWorlds.writeChunkCoords("coord", coords, coordData);
                //curse.writeNBT(coordData);
                curseList.setCompoundTag("cave_" + j, coordData);
            }

            NBTTagCompound dimData = new NBTTagCompound();
            dimData.setInteger("dimID", dimID);
            dimData.setCompoundTag("invasionData", invasionList);
            dimData.setCompoundTag("curseData", curseList);
            dimData.setCompoundTag("surfaceCaves", surfaceCaveList);
            dimData.setCompoundTag("caves", caveList);
            dimData.setCompoundTag("invasionSources", invasionSourceList);

            //Finally add the dimension data to the list
            dimList.setCompoundTag("dim_" + dimID, dimData);
        }

        data.setCompoundTag("registeredDimensions", dimList);
    }