change the packages from com.backsun.lod... to com.seibel.lod...

src/main/java/com/seibel/lod/objects/LodRegion.java

@@ -0,0 +1,90 @@
+package com.seibel.lod.objects;
+
+/**
+ * A LodRegion is the a 32x32
+ * 2D array of LodChunk objects.
+ * Each LodRegion corresponds to
+ * one file in the file system.
+ * 
+ * @author James Seibel
+ * @version 1-22-2021
+ */
+public class LodRegion
+{
+	/** number of chunks wide */
+	public static final int SIZE = 32;
+	
+	/**	X coordinate of this region */
+	public final int x;
+	/** Z coordinate of this region */
+	public final int z;
+	
+	private LodChunk chunks[][];
+	
+	
+	public LodRegion(int regionX, int regionZ)
+	{
+		x = regionX;
+		z = regionZ;
+		
+		chunks = new LodChunk[SIZE][SIZE];
+	}
+	
+	
+	/**
+	 * Add the given LOD to this region at the coordinate
+	 * stored in the LOD. If an LOD already exists at the given
+	 * coordinates it will be overwritten.
+	 */
+	public void addLod(LodChunk lod)
+	{
+		// we use ABS since LODs can be negative, but if they are
+		// the region will negative first, therefore we don't have to
+		// store the LOD chunks at negative indexes since we search 
+		// LOD the region first
+		int xIndex = Math.abs(lod.x % SIZE);
+		int zIndex = Math.abs(lod.z % SIZE);
+		
+		chunks[xIndex][zIndex] = lod;
+	}
+	
+	/**
+	 * Get the LodChunk at the given X and Z coordinates
+	 * in this region.
+	 * <br>
+	 * Returns null if the LodChunk doesn't exist or 
+	 * is outside the loaded area.
+	 */
+	public LodChunk getLod(int chunkX, int chunkZ)
+	{
+		// since we add LOD's with ABS, we get them the same way
+		int arrayX = Math.abs(chunkX % SIZE);
+		int arrayZ = Math.abs(chunkZ % SIZE);
+		
+		if(arrayX >= SIZE || arrayZ >= SIZE)
+			return null;
+		
+		return chunks[arrayX][arrayZ];
+	}
+	
+	
+	/**
+	 * Returns all LodChunks in this region
+	 */
+	public LodChunk[][] getAllLods()
+	{
+		return chunks;
+	}
+	
+	
+	
+	@Override
+	public String toString()
+	{
+		String s = "";
+		
+		s += "x: " + x + " z: " + z + "\t";
+		
+		return s;
+	}
+}