From af03a744b68bb2375c45730ff67e3b8dc5848e70 Mon Sep 17 00:00:00 2001
From: David Vierra <codewarrior@hawaii.rr.com>
Date: Sat, 3 Jan 2015 13:42:46 -1000
Subject: [PATCH] rotate textures without looping

---
 src/mcedit2/rendering/blockmodels.pyx | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/mcedit2/rendering/blockmodels.pyx b/src/mcedit2/rendering/blockmodels.pyx
index 9fdee64..89bf84a 100644
--- a/src/mcedit2/rendering/blockmodels.pyx
+++ b/src/mcedit2/rendering/blockmodels.pyx
@@ -397,10 +397,9 @@ cdef getBlockFaceVertices(box, face, tuple uv, textureRotation):
         (u2, v1),
     ]
     if textureRotation:
-        while textureRotation > 0:
-            tc = tc[1:] + tc[:1]
-            textureRotation -= 90
-
+        roll = textureRotation / 90
+        roll %= 4
+        tc = tc[roll:] + tc[:roll]
     tc = numpy.array(tc)
 
     if face == faces.FaceXDecreasing: