Added library support for non-integer radius spheres and cylinders.

src/main/java/com/sk89q/worldedit/tools/brushes/Brush.java

@@ -39,6 +39,6 @@ public interface Brush {
      * @param size
      * @throws MaxChangedBlocksException 
      */
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException;
 }

src/main/java/com/sk89q/worldedit/tools/brushes/ClipboardBrush.java

@@ -34,7 +34,7 @@ public class ClipboardBrush implements Brush {
         this.noAir = noAir;
     }
     
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException {
         clipboard.place(editSession,
                 pos.subtract(clipboard.getSize().divide(2)), noAir);

src/main/java/com/sk89q/worldedit/tools/brushes/CylinderBrush.java

@@ -31,7 +31,7 @@ public class CylinderBrush implements Brush {
         this.height = height;
     }
     
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException {
         editSession.makeCylinder(pos, mat, size, height);
     }

src/main/java/com/sk89q/worldedit/tools/brushes/HollowCylinderBrush.java

@@ -31,7 +31,7 @@ public class HollowCylinderBrush implements Brush {
         this.height = height;
     }
     
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException {
         editSession.makeHollowCylinder(pos, mat, size, height);
     }

src/main/java/com/sk89q/worldedit/tools/brushes/HollowSphereBrush.java

@@ -28,7 +28,7 @@ public class HollowSphereBrush implements Brush {
     public HollowSphereBrush() {
     }
     
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException {
         editSession.makeSphere(pos, mat, size, false);
     }

src/main/java/com/sk89q/worldedit/tools/brushes/SmoothBrush.java

@@ -36,9 +36,9 @@ public class SmoothBrush implements Brush {
         this.iterations = iterations;
     }
     
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException {
-        int rad = size;
+        double rad = size;
         Vector min = pos.subtract(rad, rad, rad);
         Vector max = pos.add(rad, rad + 10, rad);
         Region region = new CuboidRegion(min, max);

src/main/java/com/sk89q/worldedit/tools/brushes/SphereBrush.java

@@ -28,7 +28,7 @@ public class SphereBrush implements Brush {
     public SphereBrush() {
     }
     
-    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+    public void build(EditSession editSession, Vector pos, Pattern mat, double size)
             throws MaxChangedBlocksException {
         editSession.makeSphere(pos, mat, size, true);
     }