Update cubemap extractor to solve an issue with certain cubemaps

Fixes cubemap_lockout and cubemap_plasma _rifle not being unpacked properly.

Author: General-101

io_scene_halo/global_functions/shader_generation/image_helper.py

@@ -47,7 +47,9 @@ def is_color_plate(img):
     is_color_plate = True
     if mask == border:
         is_color_plate = False
-    
+        if mask == (0, 0, 255, 255) and border == (0, 0, 255, 255) and filler == (0, 0, 255, 255):
+            is_color_plate = True
+
     if is_color_plate:
         border_pixels = []
         for x in range(w):
@@ -136,11 +138,11 @@ def extract_colorplate_faces(img, palette):
 
 def extract_t_faces(img):
     w, h = img.size
-    if w % 4 != 0 or h % 3 != 0:
-        print("Not a valid 4x3 T-shape image (%sx%s)" % (w, h))
-        return None
+    #if w % 4 != 0 or h % 3 != 0:
+        #print("Not a valid 4x3 T-shape image (%sx%s)" % (w, h))
+        #return None
 
-    face_w, face_h = w // 4, h // 3
+    face_w, face_h = w // 4, w // 4
     if face_w != face_h or not is_power_of_two(face_w):
         print("Face size must be square and power of two. got %sx%s" % (face_w, face_h))
         return None