Add this qualifier

src/api/java/appeng/api/util/AEAxisAlignedBB.java

@@ -16,17 +16,17 @@ public class AEAxisAlignedBB
 
 	public AxisAlignedBB getBoundingBox()
 	{
-		return AxisAlignedBB.fromBounds( minX, minY, minZ, maxX, maxY, maxZ );
+		return AxisAlignedBB.fromBounds( this.minX, this.minY, this.minZ, this.maxX, this.maxY, this.maxZ );
 	}
 	
 	public AEAxisAlignedBB( final double a, final double b, final double c, final double d, final double e, final double f)
 	{
-		minX=a;
-		minY=b;
-		minZ=c;
-		maxX=d;
-		maxY=e;
-		maxZ=f;
+		this.minX =a;
+		this.minY =b;
+		this.minZ =c;
+		this.maxX =d;
+		this.maxY =e;
+		this.maxZ =f;
 	}
 
 	public static AEAxisAlignedBB fromBounds(

src/api/java/appeng/api/util/AEPartLocation.java

@@ -53,9 +53,9 @@ public enum AEPartLocation
     
     private AEPartLocation( final int x, final int y, final int z)
     {
-        xOffset = x;
-        yOffset = y;
-        zOffset = z;
+        this.xOffset = x;
+        this.yOffset = y;
+        this.zOffset = z;
     }
 
     /**
@@ -86,7 +86,7 @@ public enum AEPartLocation
      */
     public AEPartLocation getOpposite()
     {
-        return fromOrdinal(OPPOSITES[ordinal()]);
+        return fromOrdinal(OPPOSITES[this.ordinal()]);
     }
 
     /**
@@ -94,7 +94,7 @@ public enum AEPartLocation
      */
 	public EnumFacing getFacing()
 	{
-		return facings[ordinal()];
+		return facings[this.ordinal()];
 	}
 	
 }

src/api/java/appeng/api/util/WorldCoord.java

@@ -54,9 +54,9 @@ public class WorldCoord
 	public WorldCoord(
 			final BlockPos pos )
 	{
-		x = pos.getX();
-		y = pos.getY();
-		z = pos.getZ();
+		this.x = pos.getX();
+		this.y = pos.getY();
+		this.z = pos.getZ();
 	}
 
 	public WorldCoord subtract( final AEPartLocation direction, final int length )
@@ -177,7 +177,7 @@ public class WorldCoord
 
 	public BlockPos getPos()
 	{
-		return new BlockPos(x,y,z);
+		return new BlockPos( this.x, this.y, this.z );
 	}
 	
 	@Override