Differential D1926 Diff 6436 io_shape_mdd/export_mdd.py

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io_shape_mdd/export_mdd.py

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	file.close()	file.close()


	def check_vertcount(mesh, vertcount):
	"""
	check and make sure the vertcount is consistent throughout the frame range
	"""
	if len(mesh.vertices) != vertcount:
	raise Exception('Error, number of verts has changed during animation, cannot export')


	def save(operator, context, filepath="", frame_start=1, frame_end=300, fps=25.0):	def save(operator, context, filepath="", frame_start=1, frame_end=300, fps=25.0):
	"""	# Initialize scene for export
	Blender.Window.WaitCursor(1)

	mesh_orig = Mesh.New()
	mesh_orig.getFromObject(obj.name)
	"""

	scene = context.scene	scene = context.scene
	obj = context.object

	if bpy.ops.object.mode_set.poll():
	bpy.ops.object.mode_set(mode='OBJECT')

	orig_frame = scene.frame_current	orig_frame = scene.frame_current
	scene.frame_set(frame_start)	scene.frame_set(frame_start)
	me = obj.to_mesh(scene, True, 'PREVIEW')

	#Flip y and z
	'''
	mat_flip = mathutils.Matrix(((1.0, 0.0, 0.0, 0.0),
	(0.0, 0.0, 1.0, 0.0),
	(0.0, 1.0, 0.0, 0.0),
	(0.0, 0.0, 0.0, 1.0),
	))
	'''
	mat_flip = mathutils.Matrix()

	numverts = len(me.vertices)	if bpy.ops.object.mode_set.poll():
		bpy.ops.object.mode_set(mode='OBJECT')

	numframes = frame_end - frame_start + 1	frame_count = frame_end - frame_start + 1
	f = open(filepath, 'wb') # no Errors yet:Safe to create file	f = open(filepath, 'wb') # no Errors yet:Safe to create file

		# Count the number of vertices in the first frame
		first_frame_vertcount = 0
		for object in context.selected_objects:
		if 'MESH' == object.type:
		mesh = object.to_mesh(scene, True, 'PREVIEW')
		first_frame_vertcount = first_frame_vertcount + len(mesh.vertices)

	# Write the header	# Write the header
	f.write(pack(">2i", numframes, numverts))	f.write(pack(">2i", frame_count, first_frame_vertcount))

	# Write the frame times (should we use the time IPO??)	# Write the frame times (should we use the time IPO??)
	f.write(pack(">%df" % (numframes), *[frame / fps for frame in range(numframes)])) # seconds	f.write(pack(">%df" % (frame_count), *[frame / fps for frame in range(frame_count)])) # seconds

	for frame in range(frame_start, frame_end + 1): # in order to start at desired frame	# Loop through all animation frames; track number of vertices
		for frame in range(frame_start, frame_end + 1):
		# Set animation frame
	scene.frame_set(frame)	scene.frame_set(frame)
	me = obj.to_mesh(scene, True, 'PREVIEW')
	check_vertcount(me, numverts)
	me.transform(mat_flip * obj.matrix_world)

	# Write the vertex data	# Loop through all objects
	f.write(pack(">%df" % (numverts * 3), *[axis for v in me.vertices for axis in v.co]))	frame_vertcount = 0
		for object in context.selected_objects:
		if 'MESH' == object.type:
		# Convert object to mesh in world space
		mesh = object.to_mesh(scene, True, 'PREVIEW')
		mesh.transform(object.matrix_world)

		# Write the vertex data
		mesh_vertcount = len(mesh.vertices)
		f.write(pack(">%df" % (mesh_vertcount * 3), *[axis for v in mesh.vertices for axis in v.co]))

		# Track the total number of vertices
		frame_vertcount = frame_vertcount + mesh_vertcount

		# Check if our vertex count has changed
		if first_frame_vertcount != frame_vertcount:
		f.close()
		raise Exception('Error, number of verts has changed during animation, cannot export')

		# Clean up
	f.close()	f.close()

	print('MDD Exported: %r frames:%d\n' % (filepath, numframes - 1))	# Print summary
		print('MDD Exported: %r frames:%d\n' % (filepath, frame_count))
	scene.frame_set(orig_frame)	scene.frame_set(orig_frame)

		# Indicate that we're done
	return {'FINISHED'}	return {'FINISHED'}
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