Added pre-generated chunk loading

src/main/java/com/seibel/lod/handlers/ChunkLoader.java

@@ -0,0 +1,48 @@
+package com.seibel.lod.handlers;
+
+import com.seibel.lod.util.LodUtil;
+import com.seibel.lod.wrappers.MinecraftWrapper;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.nbt.CompoundNBT;
+import net.minecraft.util.datafix.DataFixesManager;
+import net.minecraft.util.math.ChunkPos;
+import net.minecraft.world.chunk.IChunk;
+import net.minecraft.world.chunk.storage.ChunkSerializer;
+import net.minecraft.world.server.ServerWorld;
+
+import java.io.File;
+
+public class ChunkLoader
+{
+	public static IChunk getChunkFromFile(ChunkPos pos){
+		
+		ClientWorld clientWorld = MinecraftWrapper.INSTANCE.getClientWorld();
+		if (clientWorld == null)
+			return null;
+		ServerWorld serverWorld = LodUtil.getServerWorldFromDimension(clientWorld.dimensionType());
+		try
+		{
+			IChunk loadedChunk = ChunkSerializer.read(
+					serverWorld,
+					serverWorld.getStructureManager(),
+					serverWorld.getPoiManager(),
+					pos,
+					serverWorld.getChunkSource().chunkMap.read(pos)
+			);
+			boolean emptyChunk = true;
+			for(int i = 0; i < 16; i++){
+				for(int j = 0; j < 16; j++){
+					emptyChunk &= loadedChunk.isYSpaceEmpty(i,j);
+				}
+			}
+			if(emptyChunk)
+				return null;
+			else
+				return loadedChunk;
+		}
+		catch (Exception e)
+		{
+			return null;
+		}
+	}
+}