Vilage Info help?

Right now, I'm trying to get at least the position of the nearest village, say within a radius of x, which at the moment is 10,000.  I scraped this together, but it's firing a null exception when trying to populate my village variable.  Any pointers?

package com.fuzzybat23;


import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.village.Village;
import net.minecraft.village.VillageCollection;
import net.minecraft.world.WorldServer;
import net.minecraftforge.client.event.RenderGameOverlayEvent;
import net.minecraftforge.common.DimensionManager;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.ModMetadata;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

@net.minecraftforge.fml.common.Mod(modid = "villageinfo", version = "1.0", clientSideOnly = true, acceptedMinecraftVersions = "[1.12, 1.13]")
public class VillageInfo
{
    @net.minecraftforge.fml.common.Mod.Instance("VillageInfo")
    public static final String MODID = "villageinfo";

    @Mod.Instance
    public static VillageInfo instance;

    public static final Logger logger = LogManager.getLogger();

    @Mod.EventHandler
    @SideOnly(Side.CLIENT)
    public void preInit(FMLPreInitializationEvent event)
    {
        ModMetadata data = event.getModMetadata();
        data.autogenerated = false;
        data.version = "1.0";
        data.name = "Village Info";
        data.description = "Displays nearby village info.";
        data.authorList.add("Fuzzybat23");
        data.url = "https://minecraft.curseforge.com/members/fuzzybat23/projects";
        data.credits = "Bats everywhere.";
        data.logoFile = "assets/logo/logo.png";

        FMLCommonHandler.instance().bus().register(instance);
        MinecraftForge.EVENT_BUS.register(instance);
    }

    @SubscribeEvent
    public void onRenderTextOverlay(RenderGameOverlayEvent.Text event)
    {
        Minecraft mc = Minecraft.getMinecraft();
        EntityPlayer player = mc.player;

        if(mc.gameSettings.showDebugInfo)
            getVillageData(event, player);
    }

    private void getVillageData(RenderGameOverlayEvent.Text event, EntityPlayer player)
    {
        if(player == null)
            return;

        WorldServer worldServer = DimensionManager.getWorld(player.dimension);
        VillageCollection villageCollection = null;

        Village village = villageCollection.getNearestVillage(player.getPosition(),10000);

        event.getLeft().add("Test1: " + worldServer.toString());
        if(village != null)
            event.getLeft().add("Test2: " + village.toString());
    }
}