partially functional raycasting

api/src/main/java/com/seibel/lod/api/interfaces/block/IDhApiBlockStateWrapper.java

@@ -10,5 +10,6 @@ import com.seibel.lod.api.interfaces.IDhApiUnsafeWrapper;
  */
 public interface IDhApiBlockStateWrapper extends IDhApiUnsafeWrapper
 {
-    
+    boolean isAir();
+	
 }

api/src/main/java/com/seibel/lod/api/interfaces/world/IDhApiLevelWrapper.java

@@ -38,8 +38,13 @@ public interface IDhApiLevelWrapper extends IDhApiUnsafeWrapper
 	
 	boolean hasSkyLight();
 	
+	/** Returns the max block height of the level(?) */
 	int getHeight();
 	
+	/** 
+	 * Returns the lowest possible block position for the level. <br>
+	 * For MC versions before 1.19 this will return 0.
+	 */
 	default int getMinHeight() { return 0; }
 	
 }

api/src/main/java/com/seibel/lod/core/util/math/Vec3f.java

@@ -147,6 +147,7 @@ public class Vec3f
 		return this.x * vector.x + this.y * vector.y + this.z * vector.z;
 	}
 	
+	/** Returns true if normalization had to be done */
 	public boolean normalize()
 	{
 		float squaredSum = this.x * this.x + this.y * this.y + this.z * this.z;