Slight tweak to the uber shader export code. With this change you can…

… export an uber shader without a diff or spec map and it will still render. This appeared to be in old code, but it didn't work. Unless you're using uber in this way for some reason (I was), it's not a vital update.

exporters/blender/sunflow_export.py

@@ -1,12 +1,12 @@
 #!BPY
 
 """
-Name: 'Sunflow Exporter 1.4.8 (.sc)...'
+Name: 'Sunflow Exporter 1.4.9 (.sc)...'
 Blender: 2.44
 Group: 'Export'
 Tip: 'Export to a Sunflow Scene File'
 
-Version         :       1.4.8 (July 2007)
+Version         :       1.4.9 (July 2007)
 Author          :       R Lindsay (hayfever) / Christopher Kulla / MADCello / 
 			olivS / Eugene Reilly / Heavily Tessellated / Humfred
 Description     :       Export to Sunflow renderer http://sunflow.sourceforge.net/
@@ -98,7 +98,7 @@
 
 ## start of export ##
 print "\n\n"
-print "blend2sunflow v1.4.8"
+print "blend2sunflow v1.4.9"
 
 ## Default values of buttons ##
 def default_values():
@@ -628,11 +628,8 @@ def export_shaders():
 
 		# UBER shader
 		if mat.name.startswith("sfube"):
-			textu = textures[0]
-			textu2 = textures[2]
-			colvalue = textu.colfac
-			cspvalue = textu.varfac
-			
+                        textu = textures[0]
+                        textu2 = textures[2]                        
 			print "  o exporting uber shader "+mat.name+"..."
 			FILE.write("\n\nshader {\n")
 			FILE.write("\tname \""+mat.name+".shader\"\n")	
@@ -641,18 +638,21 @@ def export_shaders():
 			# DIFF values
 			FILE.write("\tdiff %.3f %.3f %.3f\n" % (RGB[0], RGB[1], RGB[2]))
 			if textures[0] <> None and textures[0].tex.getType() == "Image" and textu.tex.getImage() != None:
+                                colvalue = textu.colfac
 				FILE.write("\tdiff.texture \"" + textu.tex.getImage().getFilename() + "\"\n")
+				FILE.write("\tdiff.blend %s\n" % (colvalue * 1.0))
 			else:
-				FILE.write("\tdiff.texture None")	
-			FILE.write("\tdiff.blend %s\n" % (colvalue * 1.0))
+
+        			FILE.write("\tdiff.blend 0.0\n")
 			
 			# SPEC values
 			FILE.write("\tspec %.3f %.3f %.3f\n" % (speccol[0], speccol[1], speccol[2]))
 			if textures[2] <> None and textures[2].tex.getType() == "Image" and textu2.tex.getImage() != None:
+                                cspvalue = textu2.varfac
 				FILE.write("\tspec.texture \"" + textu2.tex.getImage().getFilename() + "\"\n")
+        			FILE.write("\tspec.blend %s\n" % (cspvalue * 0.1))
 			else:
-				FILE.write("\tspec.texture None")	
-			FILE.write("\tspec.blend %s\n" % (cspvalue * 0.1))
+                                FILE.write("\tspec.blend 0.0\n")
 			FILE.write("\tglossy .1\n")
 			FILE.write("\tsamples 4\n}")