Add variable detail LODs

src/main/java/com/seibel/lod/enums/LodDetail.java

@@ -1,10 +1,12 @@
 package com.seibel.lod.enums;
 
+import com.seibel.lod.objects.LodChunk;
+
 /**
- * single, quad
+ * single, double, quad, half, full
  * 
  * @author James Seibel
- * @version 05-29-2021
+ * @version 06-12-2021
  */
 public enum LodDetail
 {
@@ -12,14 +14,72 @@ public enum LodDetail
 	SINGLE(1),
 	
 	/** render 4 LODs for each chunk */
-	DOUBLE(2);
+	DOUBLE(2),
 	
-	/** How many data points wide the related
-	 * LodChunk object should contain */
-	public final int value;
+	/** render 16 LODs for each chunk */
+	QUAD(4),
 	
-	private LodDetail(int newValue)
+	/** render 64 LODs for each chunk */
+	HALF(8),
+	
+	/** render 256 LODs for each chunk */
+	FULL(16);
+	
+	
+	/** How many LODs wide should 
+	 * be drawn per LodChunk */
+	public final int lengthCount;
+	/** How wide each LOD is */
+	public final int width;
+	
+	/*  */
+	public final int[] startX;
+	public final int[] startZ;
+	
+	public final int[] endX;
+	public final int[] endZ;
+	
+	
+	private LodDetail(int newLengthCount)
 	{
-		value = newValue;
+		lengthCount = newLengthCount;
+		width = 16 / lengthCount;
+		
+		if(newLengthCount == LodChunk.WIDTH)
+		{
+			// this is to prevent overflow
+			newLengthCount = LodChunk.WIDTH - 1;
+		}
+		
+		startX = new int[lengthCount * lengthCount];
+		endX = new int[lengthCount * lengthCount];
+		
+		startZ = new int[lengthCount * lengthCount];
+		endZ = new int[lengthCount * lengthCount];
+		
+		
+		int index = 0;
+		for(int x = 0; x < newLengthCount; x++)
+		{
+			for(int z = 0; z < newLengthCount; z++)
+			{
+				startX[index] = x * width;
+				startZ[index] = z * width;
+				
+				// special case for FULL
+				if(width != 1)
+				{
+					endX[index] = (x*width) + width - 1; 
+					endZ[index] = (z*width) + width - 1; 
+				}
+				else
+				{
+					endX[index] = (x*width) + width;
+					endZ[index] = (z*width) + width;
+				}
+				
+				index++;
+			}
+		}
 	}
 }