fixed an obscure bug in obj import (possibly in Mesh.c) that made adding edges as faces mess up.

export obj now dosnt remove double UV's, its too slow.

updated version numbers to 243 and other minor changes.

release/scripts/export_obj.py

@@ -2,14 +2,14 @@
 
 """
 Name: 'Wavefront (.obj)...'
-Blender: 232
+Blender: 243
 Group: 'Export'
 Tooltip: 'Save a Wavefront OBJ File'
 """
 
 __author__ = "Campbell Barton, Jiri Hnidek"
-__url__ = ["blender", "elysiun"]
-__version__ = "1.0"
+__url__ = ['www.blender.org', 'blenderartists.org']
+__version__ = "1.1"
 
 __bpydoc__ = """\
 This script is an exporter to OBJ file format.
@@ -50,7 +50,6 @@ import Blender
 from Blender import Mesh, Scene, Window, sys, Image, Draw
 import BPyMesh
 import BPyObject
-reload(BPyObject)
 
 import BPyMessages
 
@@ -112,11 +111,11 @@ def write_mtl(filename):
 		else:
 			mat = Blender.Material.Get(key[0])
 			file.write('Ns %.6f\n' % ((mat.getHardness()-1) * 1.9607843137254901) ) # Hardness, convert blenders 1-511 to MTL's 
-			file.write('Ka %.6f %.6f %.6f\n' %  tuple([c*mat.getAmb() for c in worldAmb])  ) # Ambient, uses mirror colour,
-			file.write('Kd %.6f %.6f %.6f\n' % tuple([c*mat.getRef() for c in mat.getRGBCol()]) ) # Diffuse
-			file.write('Ks %.6f %.6f %.6f\n' % tuple([c*mat.getSpec() for c in mat.getSpecCol()]) ) # Specular
-			file.write('Ni %.6f\n' % mat.getIOR()) # Refraction index
-			file.write('d %.6f\n' % mat.getAlpha()) # Alpha (obj uses 'd' for dissolve)
+			file.write('Ka %.6f %.6f %.6f\n' %  tuple([c*mat.amb for c in worldAmb])  ) # Ambient, uses mirror colour,
+			file.write('Kd %.6f %.6f %.6f\n' % tuple([c*mat.ref for c in mat.rgbCol]) ) # Diffuse
+			file.write('Ks %.6f %.6f %.6f\n' % tuple([c*mat.spec for c in mat.specCol]) ) # Specular
+			file.write('Ni %.6f\n' % mat.IOR) # Refraction index
+			file.write('d %.6f\n' % mat.alpha) # Alpha (obj uses 'd' for dissolve)
 			
 			# 0 to disable lighting, 1 for ambient & diffuse only (specular color set to black), 2 for full lighting.
 			if mat.getMode() & Blender.Material.Modes['SHADELESS']:
@@ -246,7 +245,8 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 	# Initialize totals, these are updated each object
 	totverts = totuvco = totno = 1
 	
-	globalUVCoords = {}
+	face_vert_index = 1 # used for uvs now
+	
 	globalNormals = {}
 	
 	# Get all meshs
@@ -262,8 +262,6 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 			# We have a valid mesh
 			if EXPORT_TRI and me.faces:
 				# Add a dummy object to it.
-				oldmode = Mesh.Mode()
-				Mesh.Mode(Mesh.SelectModes['FACE'])
 				has_quads = False
 				for f in me.faces:
 					if len(f) == 4:
@@ -271,12 +269,16 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 						break
 				
 				if has_quads:
+					oldmode = Mesh.Mode()
+					Mesh.Mode(Mesh.SelectModes['FACE'])
+					
 					me.sel = True
 					tempob = scn.objects.new(me)
 					me.quadToTriangle(0) # more=0 shortest length
 					oldmode = Mesh.Mode(oldmode)
 					scn.objects.unlink(tempob)
-				Mesh.Mode(oldmode)
+					
+					Mesh.Mode(oldmode)
 			
 			# Make our own list so it can be sorted to reduce context switching
 			faces = [ f for f in me.faces ]
@@ -349,12 +351,8 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 			# UV
 			if faceuv and EXPORT_UV:
 				for f in faces:
-					for uvKey in f.uv:
-						uvKey = veckey2d(uvKey)
-						if not globalUVCoords.has_key(uvKey):
-							globalUVCoords[uvKey] = totuvco
-							totuvco +=1
-							file.write('vt %.6f %.6f 0.0\n' % uvKey)
+					for uv in f.uv:
+						file.write('vt %.6f %.6f 0.0\n' % tuple(uv))
 			
 			# NORMAL, Smooth/Non smoothed.
 			if EXPORT_NORMALS:
@@ -374,7 +372,6 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 							totno +=1
 							file.write('vn %.6f %.6f %.6f\n' % noKey)
 			
-			uvIdx = 0
 			for f in faces:
 				f_v= f.v
 				if faceuv:
@@ -425,10 +422,10 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 				if f.smooth != contextSmooth:
 					if contextSmooth: # on now off
 						file.write('s off\n')
+						contextSmooth = True
 					else: # was off now on
 						file.write('s 1\n')
-						
-					contextSmooth = f.smooth
+						contextSmooth = False
 				
 				file.write('f')
 				if faceuv and EXPORT_UV:
@@ -437,22 +434,24 @@ EXPORT_GROUP_BY_OB=False,  EXPORT_GROUP_BY_MAT=False):
 							for vi, v in enumerate(f_v):
 								file.write( ' %d/%d/%d' % (\
 								  v.index+totverts,\
-								  globalUVCoords[ veckey2d(f_uv[vi]) ],\
+								  face_vert_index + vi,\
 								  globalNormals[ veckey3d(v.no) ])) # vert, uv, normal
+							
 						else: # No smoothing, face normals
 							no = globalNormals[ veckey3d(f.no) ]
 							for vi, v in enumerate(f_v):
 								file.write( ' %d/%d/%d' % (\
 								  v.index+totverts,\
-								  globalUVCoords[ veckey2d(f_uv[vi]) ],\
+								  face_vert_index + vi,\
 								  no)) # vert, uv, normal
 					
 					else: # No Normals
 						for vi, v in enumerate(f_v):
 							file.write( ' %d/%d' % (\
 							  v.index+totverts,\
-							  globalUVCoords[ veckey2d(f_uv[vi])])) # vert, uv
-				
+							  face_vert_index + vi)) # vert, uv
+					
+					face_vert_index += len(f_v)
 				
 				else: # No UV's
 					if EXPORT_NORMALS:
@@ -616,7 +615,7 @@ def write_ui(filename):
 				export_objects = scn.objects
 			
 			full_path= ''.join(context_name)
-			print "ass", full_path
+			
 			if BPyMessages.Warning_SaveOver(full_path):
 				# EXPORT THE FILE.
 				write(full_path, export_objects,\