Unity-BlenderToFBX.py

blender249 = True

try: import Blender
except:
	blender249 = False
	import bpy	

if blender249:
	try: import export_fbx
	except:
		print('error: export_fbx not found.')
		Blender.Quit()
else:
	try: import io_scene_fbx.export_fbx
	except:
		print('error: io_scene_fbx.export_fbx not found.')
		# This might need to be bpy.Quit()
		raise

# Find the Blender output file
import os
outfile = os.getenv("UNITY_BLENDER_EXPORTER_OUTPUT_FILE")

# Do the conversion
print("Starting blender to FBX conversion " + outfile)

if blender249:
	mtx4_x90n = Blender.Mathutils.RotationMatrix(-90, 4, 'x')
	export_fbx.write(outfile,
		EXP_OBS_SELECTED=False,
		EXP_MESH=True,
		EXP_MESH_APPLY_MOD=True,
		EXP_MESH_HQ_NORMALS=True,
		EXP_ARMATURE=True,
		EXP_LAMP=True,
		EXP_CAMERA=True,
		EXP_EMPTY=True,
		EXP_IMAGE_COPY=False,
		ANIM_ENABLE=True,
		ANIM_OPTIMIZE=False,
		ANIM_ACTION_ALL=True,
		GLOBAL_MATRIX=mtx4_x90n)
else:
	# blender 2.58 or newer
	import math
	from mathutils import Matrix
	# -90 degrees
	mtx4_x90n = Matrix.Rotation(-math.pi / 2.0, 4, 'X')
	
	print("moo")
	
	class FakeOp:
		def report(self, tp, msg):
			print("%s: %s" % (tp, msg))
	
	exportObjects = ['ARMATURE', 'EMPTY', 'MESH']
		
	minorVersion = bpy.app.version[1];	
	if minorVersion <= 58:
		# 2.58
		io_scene_fbx.export_fbx.save(FakeOp(), bpy.context, filepath=outfile,
			global_matrix=mtx4_x90n,
			use_selection=False,
			object_types=exportObjects,
			mesh_apply_modifiers=True,
			ANIM_ENABLE=True,
			ANIM_OPTIMIZE=False,
			ANIM_OPTIMIZE_PRECISSION=6,
			ANIM_ACTION_ALL=True,
			batch_mode='OFF',	
			BATCH_OWN_DIR=False)
	else:
		# 2.59 and later
		kwargs = io_scene_fbx.export_fbx.defaults_unity3d()
		io_scene_fbx.export_fbx.save(FakeOp(), bpy.context, filepath=outfile, **kwargs)
	# HQ normals are not supported in the current exporter

print("Finished blender to FBX conversion " + outfile)