1 files changed, 11 insertions, 7 deletions

diff --git a/src/Defines.h b/src/Defines.h
index b167f69e3..f3b742e09 100644
--- a/src/Defines.h
+++ b/src/Defines.h
@@ -29,16 +29,16 @@ enum
 
 
 
-/// Block face constants, used in PlayerDigging and PlayerBlockPlacement packets and bbox collision calc
+/** Block face constants, used in PlayerDigging and PlayerBlockPlacement packets and bbox collision calc */
 enum eBlockFace
 {
 	BLOCK_FACE_NONE = -1,  // Interacting with no block face - swinging the item in the air
-	BLOCK_FACE_XM   = 4,   // Interacting with the X- face of the block
-	BLOCK_FACE_XP   = 5,   // Interacting with the X+ face of the block
-	BLOCK_FACE_YM   = 0,   // Interacting with the Y- face of the block
-	BLOCK_FACE_YP   = 1,   // Interacting with the Y+ face of the block
-	BLOCK_FACE_ZM   = 2,   // Interacting with the Z- face of the block
-	BLOCK_FACE_ZP   = 3,   // Interacting with the Z+ face of the block
+	BLOCK_FACE_XM   =  4,  // Interacting with the X- face of the block
+	BLOCK_FACE_XP   =  5,  // Interacting with the X+ face of the block
+	BLOCK_FACE_YM   =  0,  // Interacting with the Y- face of the block
+	BLOCK_FACE_YP   =  1,  // Interacting with the Y+ face of the block
+	BLOCK_FACE_ZM   =  2,  // Interacting with the Z- face of the block
+	BLOCK_FACE_ZP   =  3,  // Interacting with the Z+ face of the block
 
 	// Synonyms using the (deprecated) world directions:
 	BLOCK_FACE_BOTTOM = BLOCK_FACE_YM,  // Interacting with the bottom   face of the block
@@ -47,6 +47,10 @@ enum eBlockFace
 	BLOCK_FACE_SOUTH  = BLOCK_FACE_ZP,  // Interacting with the southern face of the block
 	BLOCK_FACE_WEST   = BLOCK_FACE_XM,  // Interacting with the western  face of the block
 	BLOCK_FACE_EAST   = BLOCK_FACE_XP,  // Interacting with the eastern  face of the block
+
+	// Bounds, used for range-checking:
+	BLOCK_FACE_MIN = -1,
+	BLOCK_FACE_MAX =  5,
 } ;