From 9c4dea823562f05512045dee14467134557218e7 Mon Sep 17 00:00:00 2001
From: Adam Johnson <AdamJohnso@gmail.com>
Date: Thu, 25 Jun 2015 19:12:17 -0400
Subject: [PATCH] Fix calculate alpha boogs

---
 korman/exporter/material.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/korman/exporter/material.py b/korman/exporter/material.py
index 98ce223..7d36516 100644
--- a/korman/exporter/material.py
+++ b/korman/exporter/material.py
@@ -87,10 +87,9 @@ class _GLTexture:
         # NOTE: the variable names are correct for GL_RGBA. We'll still get the right values for
         # BGRA, obviously, but red will suddenly be... blue. Yeah.
         if calc_alpha:
-            for i in range(size, 4):
-                base = i*4
-                r, g, b = buf[base:base+2]
-                buf[base+3] = int((r + g + b) / 3)
+            for i in range(0, size, 4):
+                r, g, b = buf[i:i+3]
+                buf[i+3] = int((r + g + b) / 3)
         return bytes(buf)
 
     def _get_integer(self, arg):