Objects can now be animated (camera paths, lamps etc)

However meshes that use an armature cant use object animation.

faster exporting for non modifier applied, armature meshes (transform all verts using wrapped C func)

release/scripts/export_fbx.py

@@ -118,6 +118,8 @@ def copy_images(dest_dir, textures):
 	
 	print '\tCopied %d images' % copyCount
 
+mtx4_identity = Matrix()
+
 mtx_z90 = RotationMatrix(90, 3, 'z')
 mtx_x90 = RotationMatrix(90, 3, 'x')
 
@@ -439,6 +441,10 @@ def write(filename, batch_objects = None, \
 			else:
 				return (mtx4_z90 * ((self.getPoseMatrix(frame) * arm_mat)))  *  (mtx4_z90 * (self.parent.getPoseMatrix(frame) * arm_mat)).invert()
 		
+		# we need thes because cameras and lights modified rotations
+		def getAnimMatrixRot(self, frame):
+			return self.getAnimMatrix(frame)
+		
 		def flushAnimData(self):
 			self.__anim_poselist.clear()
 
@@ -449,15 +455,33 @@ def write(filename, batch_objects = None, \
 			self.fbxName = sane_obname(ob)
 			self.blenObject = ob
 			self.matrixWorld = ob.matrixWorld * GLOBAL_MATRIX
+			self.__anim_poselist = {}
+		
+		def setPoseFrame(self, f):
+			self.__anim_poselist[f] =  self.blenObject.matrixWorld.copy()
+		
+		def getAnimMatrix(self, frame):
+			return self.__anim_poselist[frame] * GLOBAL_MATRIX
+		
+		def getAnimMatrixRot(self, frame):
+			type = self.blenObject.type
+			matrix_rot = (self.__anim_poselist[frame] * GLOBAL_MATRIX).rotationPart()
+			
+			# Lamps need to be rotated
+			if type =='Lamp':
+				matrix_rot = mtx_x90 * matrix_rot
+			elif ob and type =='Camera':
+				y = Vector(0,1,0) * matrix_rot
+				matrix_rot = matrix_rot * RotationMatrix(90, 3, 'r', y)
+			
+			return matrix_rot
+			
 	# ----------------------------------------------
 	
 	
 	
 	
 	
-	
-	
-	
 	print '\nFBX export starting...', filename
 	start_time = Blender.sys.time()
 	file = open(filename, 'w')
@@ -531,7 +555,7 @@ def write(filename, batch_objects = None, \
 				matrix_rot = matrix.rotationPart()
 				# Lamps need to be rotated
 				if ob and ob.type =='Lamp':
-					matrix_rot = mtx_x90 * matrix.rotationPart()
+					matrix_rot = mtx_x90 * matrix_rot
 					rot = tuple(matrix_rot.toEuler())
 				elif ob and ob.type =='Camera':
 					y = Vector(0,1,0) * matrix_rot
@@ -1275,9 +1299,10 @@ def write(filename, batch_objects = None, \
 		file.write('\n\t\tTransformLink: %s' % matstr)
 		file.write('\n\t}')
 	
-	#def write_mesh(obname, ob, mtx, me, mats, arm, armname):
 	def write_mesh(my_mesh):
 		
+		me = my_mesh.blenData
+		
 		# if there are non NULL materials on this mesh
 		if [mat for mat in my_mesh.blenMaterials if mat]: 	do_materials = True
 		else:												do_materials = False
@@ -1289,11 +1314,26 @@ def write(filename, batch_objects = None, \
 		file.write('\n\tModel: "Model::%s", "Mesh" {' % my_mesh.fbxName)
 		file.write('\n\t\tVersion: 232') # newline is added in write_object_props
 		
-		# Apply the mesh matrix because bones arnt applied correctly if we use object transformation
+		if my_mesh.fbxArm:
-		# Other then that, object matricies work well on meshes.
+			if my_mesh.origData:
-		# if this can be fixd, be sure to remove matrix multiplication on the verts.
+				do_tx_write = True
-		#write_object_props(ob, None, mtx)
+			else:
-		write_object_props(my_mesh.blenObject, None, Matrix()) 
+				do_tx_write = False
+				me.transform(my_mesh.matrixWorld)
+			
+		else:
+			do_tx_write = False
+		
+		
+		# When we have an armature...
+		if my_mesh.fbxArm:
+			# Apply the mesh matrix because bones arnt applied correctly if we use object transformation
+			# Other then that, object matricies work well on meshes.
+			# if this can be fixd, be sure to remove matrix multiplication on the verts.
+			
+			write_object_props(my_mesh.blenObject, None, mtx4_identity)
+		else:
+			write_object_props(my_mesh.blenObject, None, my_mesh.matrixWorld)
 		
 		file.write('\n\t\t}')
 		file.write('\n\t\tMultiLayer: 0')
@@ -1301,21 +1341,30 @@ def write(filename, batch_objects = None, \
 		file.write('\n\t\tShading: Y')
 		file.write('\n\t\tCulling: "CullingOff"')
 		
-		me = my_mesh.blenData
 		
 		# Write the Real Mesh data here
 		file.write('\n\t\tVertices: ')
 		i=-1
-		for v in me.verts:
+		
-			if i==-1:
+		if do_tx_write :# transform verts on write?
-				file.write('%.6f,%.6f,%.6f' % tuple(v.co * my_mesh.matrixWorld))
+			for v in me.verts:
-				i=0
+				if i==-1:
-			else:
+					file.write('%.6f,%.6f,%.6f' % tuple(v.co * my_mesh.matrixWorld));	i=0
-				if i==7:
+				else:
-					file.write('\n\t\t')
+					if i==7:
-					i=0
+						file.write('\n\t\t');	i=0
-				file.write(',%.6f,%.6f,%.6f'% tuple(v.co * my_mesh.matrixWorld))
+					file.write(',%.6f,%.6f,%.6f'% tuple(v.co * my_mesh.matrixWorld))
-			i+=1
+				i+=1
+		else:	# same as above but has alredy been transformed
+			for v in me.verts:
+				if i==-1:
+					file.write('%.6f,%.6f,%.6f' % tuple(v.co));	i=0
+				else:
+					if i==7:
+						file.write('\n\t\t');	i=0
+					file.write(',%.6f,%.6f,%.6f'% tuple(v.co))
+				i+=1
+				
 		file.write('\n\t\tPolygonVertexIndex: ')
 		i=-1
 		for f in me.faces:
@@ -1367,17 +1416,31 @@ def write(filename, batch_objects = None, \
 		mtx_rot = my_mesh.matrixWorld.rotationPart()
 		
 		i=-1
-		for v in me.verts:
+		
-			if i==-1:
+		
-				file.write('%.15f,%.15f,%.15f' % tuple(v.no * mtx_rot))
+		if do_tx_write: # transform normals on write?
-				i=0
+			for v in me.verts:
-			else:
+				if i==-1:
-				if i==2:
+					file.write('%.15f,%.15f,%.15f' % tuple(v.no * mtx_rot));	i=0
-					file.write('\n			 ')
+				else:
-					i=0
+					if i==2:
-				file.write(',%.15f,%.15f,%.15f' % tuple(v.no * mtx_rot))
+						file.write('\n			 ');	i=0
-			i+=1
+					file.write(',%.15f,%.15f,%.15f' % tuple(v.no * mtx_rot))
-		file.write('\n\t\t}')
+				i+=1
+			file.write('\n\t\t}')
+			
+		
+		else:	# same as above but has alredy been transformed
+			for v in me.verts:
+				if i==-1:
+					file.write('%.15f,%.15f,%.15f' % tuple(v.no));	i=0
+				else:
+					if i==2:
+						file.write('\n			 ');	i=0
+					file.write(',%.15f,%.15f,%.15f' % tuple(v.no))
+				i+=1
+			file.write('\n\t\t}')
+		
 		
 		
 		# Write VertexColor Layers
@@ -1721,6 +1784,7 @@ def write(filename, batch_objects = None, \
 				if EXP_EMPTY:
 					ob_null.append(my_object_generic(ob))
 			elif EXP_MESH:
+				origData = True
 				if tmp_ob_type != 'Mesh':
 					me = bpy.data.meshes.new()
 					try:	me.getFromObject(ob)
@@ -1728,6 +1792,7 @@ def write(filename, batch_objects = None, \
 					if me:
 						meshes_to_clear.append( me )
 						mats = me.materials
+						origData = False
 				else:
 					# Mesh Type!
 					if EXP_MESH_APPLY_MOD:
@@ -1747,6 +1812,7 @@ def write(filename, batch_objects = None, \
 						
 						# print ob, me, me.getVertGroupNames()
 						meshes_to_clear.append( me )
+						origData = False
 						mats = me.materials
 					else:
 						me = ob.getData(mesh=1)
@@ -1806,10 +1872,9 @@ def write(filename, batch_objects = None, \
 					else:
 						blenParentBoneName = armob = None
 					
-					#ob_meshes.append( (obname, ob, mtx, me, mats, armob, armname) )
-					
 					my_mesh = my_object_generic(ob)
 					my_mesh.blenData =		me
+					my_mesh.origData = 		origData
 					my_mesh.blenMaterials =	mats
 					my_mesh.blenTextures =	texture_mapping_local.values()
 					
@@ -2068,7 +2133,7 @@ Objects:  {''')
 		file.write('\n\t\tPoseNode:  {')
 		file.write('\n\t\t\tNode: "Model::%s"' % fbxName )
 		if matrix:		file.write('\n\t\t\tMatrix: %s' % mat4x4str(matrix))
-		else:			file.write('\n\t\t\tMatrix: %s' % mat4x4str(Matrix()))
+		else:			file.write('\n\t\t\tMatrix: %s' % mat4x4str(mtx4_identity))
 		file.write('\n\t\t}')
 	
 	file.write('\n\t}')
@@ -2367,88 +2432,103 @@ Takes:  {''')
 			i = act_start
 			while i <= act_end:
 				Blender.Set('curframe', i)
-				#Blender.Window.RedrawAll()
+				for ob_generic in (ob_bones, ob_meshes, ob_null, ob_cameras, ob_lights):
-				for my_bone in ob_bones:
+					for my_ob in ob_generic:
-					my_bone.setPoseFrame(i)
+						#Blender.Window.RedrawAll()
+						if ob_generic == ob_meshes and my_ob.fbxArm:
+							# We cant animate armature meshes!
+							pass
+						else:
+							my_ob.setPoseFrame(i)
+						
 				i+=1
 			
 			
 			#for bonename, bone, obname, me, armob in ob_bones:
-			for my_bone in ob_bones:
+			for ob_generic in (ob_bones, ob_meshes, ob_null, ob_cameras, ob_lights):
 					
-				file.write('\n\t\tModel: "Model::%s" {' % my_bone.fbxName) # ??? - not sure why this is needed
+				for my_ob in ob_generic:
-				file.write('\n\t\t\tVersion: 1.1')
-				file.write('\n\t\t\tChannel: "Transform" {')
 					
-				context_bone_anim_mats = [ my_bone.getAnimMatrix(frame) for frame in xrange(act_start, act_end+1) ]
 					
-				# ----------------
+					if ob_generic == ob_meshes and my_ob.fbxArm:
-				for TX_LAYER, TX_CHAN in enumerate('TRS'): # transform, rotate, scale
+						# do nothing,
+						pass
+					else:
 							
-					if		TX_CHAN=='T':	context_bone_anim_vecs = [mtx.translationPart()	for mtx in context_bone_anim_mats]
+						file.write('\n\t\tModel: "Model::%s" {' % my_ob.fbxName) # ??? - not sure why this is needed
-					elif 	TX_CHAN=='R':	context_bone_anim_vecs = [mtx.toEuler()			for mtx in context_bone_anim_mats]
+						file.write('\n\t\t\tVersion: 1.1')
-					else:					context_bone_anim_vecs = [mtx.scalePart()		for mtx in context_bone_anim_mats]
+						file.write('\n\t\t\tChannel: "Transform" {')
 						
-					file.write('\n\t\t\t\tChannel: "%s" {' % TX_CHAN) # translation
+						context_bone_anim_mats = [ (my_ob.getAnimMatrix(frame), my_ob.getAnimMatrixRot(frame)) for frame in xrange(act_start, act_end+1) ]
 						
-					for i in xrange(3):
+						# ----------------
-						# Loop on each axis of the bone
+						# ----------------
-						file.write('\n\t\t\t\t\tChannel: "%s" {'% ('XYZ'[i])) # translation
+						for TX_LAYER, TX_CHAN in enumerate('TRS'): # transform, rotate, scale
-						file.write('\n\t\t\t\t\t\tDefault: %.15f' % context_bone_anim_vecs[0][i] )
-						file.write('\n\t\t\t\t\t\tKeyVer: 4005')
 							
-						if not ANIM_OPTIMIZE:
+							if		TX_CHAN=='T':	context_bone_anim_vecs = [mtx[0].translationPart()	for mtx in context_bone_anim_mats]
-							# Just write all frames, simple but in-eficient
+							elif 	TX_CHAN=='R':	context_bone_anim_vecs = [mtx[1].toEuler()			for mtx in context_bone_anim_mats]
-							file.write('\n\t\t\t\t\t\tKeyCount: %i' % (1 + act_end - act_start))
+							else:					context_bone_anim_vecs = [mtx[0].scalePart()		for mtx in context_bone_anim_mats]
-							file.write('\n\t\t\t\t\t\tKey: ')
-							frame = act_start
-							while frame <= act_end:
-								if frame!=act_start:
-									file.write(',')
 							
-								# Curve types are 
+							file.write('\n\t\t\t\tChannel: "%s" {' % TX_CHAN) # translation
-								# C,n is for bezier? - linear is best for now so we can do simple keyframe removal
-								file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n'  % (fbx_time(frame-1), context_bone_anim_vecs[frame-act_start][i] ))
-								#file.write('\n\t\t\t\t\t\t\t%i,%.15f,L'  % (fbx_time(frame-1), context_bone_anim_vecs[frame-act_start][i] ))
-								frame+=1
-						else:
-							# remove unneeded keys, j is the frame, needed when some frames are removed.
-							context_bone_anim_keys = [ (vec[i], j) for j, vec in enumerate(context_bone_anim_vecs) ]
 							
-							# last frame to fisrt frame, missing 1 frame on either side.
+							for i in xrange(3):
-							# removeing in a backwards loop is faster
+								# Loop on each axis of the bone
-							for j in xrange( (act_end-act_start)-1, 0, -1 ):
+								file.write('\n\t\t\t\t\tChannel: "%s" {'% ('XYZ'[i])) # translation
-								# Is this key reduenant?
+								file.write('\n\t\t\t\t\t\tDefault: %.15f' % context_bone_anim_vecs[0][i] )
-								if	abs(context_bone_anim_keys[j][0] - context_bone_anim_keys[j-1][0]) < ANIM_OPTIMIZE_PRECISSION_FLOAT and\
+								file.write('\n\t\t\t\t\t\tKeyVer: 4005')
-									abs(context_bone_anim_keys[j][0] - context_bone_anim_keys[j+1][0]) < ANIM_OPTIMIZE_PRECISSION_FLOAT:
-									del context_bone_anim_keys[j]
 								
-							if len(context_bone_anim_keys) == 2 and context_bone_anim_keys[0][0] == context_bone_anim_keys[1][0]:
+								if not ANIM_OPTIMIZE:
-								# This axis has no moton, its okay to skip KeyCount and Keys in this case
+									# Just write all frames, simple but in-eficient
-								pass
+									file.write('\n\t\t\t\t\t\tKeyCount: %i' % (1 + act_end - act_start))
-							else:
+									file.write('\n\t\t\t\t\t\tKey: ')
-								# We only need to write these if there is at least one 
+									frame = act_start
-								file.write('\n\t\t\t\t\t\tKeyCount: %i' % len(context_bone_anim_keys))
+									while frame <= act_end:
-								file.write('\n\t\t\t\t\t\tKey: ')					
+										if frame!=act_start:
-								for val, frame in context_bone_anim_keys: 
+											file.write(',')
-									if frame!=act_start:
-										file.write(',')
-									# frame is alredy one less then blenders frame
-									file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n'  % (fbx_time(frame), val ))
-									#file.write('\n\t\t\t\t\t\t\t%i,%.15f,L'  % (fbx_time(frame), val ))
 										
-						if		i==0:	file.write('\n\t\t\t\t\t\tColor: 1,0,0')
+										# Curve types are 
-						elif	i==1:	file.write('\n\t\t\t\t\t\tColor: 0,1,0')
+										# C,n is for bezier? - linear is best for now so we can do simple keyframe removal
-						elif	i==2:	file.write('\n\t\t\t\t\t\tColor: 0,0,1')
+										file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n'  % (fbx_time(frame-1), context_bone_anim_vecs[frame-act_start][i] ))
+										#file.write('\n\t\t\t\t\t\t\t%i,%.15f,L'  % (fbx_time(frame-1), context_bone_anim_vecs[frame-act_start][i] ))
+										frame+=1
+								else:
+									# remove unneeded keys, j is the frame, needed when some frames are removed.
+									context_bone_anim_keys = [ (vec[i], j) for j, vec in enumerate(context_bone_anim_vecs) ]
 									
-						file.write('\n\t\t\t\t\t}')
+									# last frame to fisrt frame, missing 1 frame on either side.
-					file.write('\n\t\t\t\t\tLayerType: %i' % (TX_LAYER+1) )
+									# removeing in a backwards loop is faster
-					file.write('\n\t\t\t\t}')
+									for j in xrange( (act_end-act_start)-1, 0, -1 ):
+										# Is this key reduenant?
+										if	abs(context_bone_anim_keys[j][0] - context_bone_anim_keys[j-1][0]) < ANIM_OPTIMIZE_PRECISSION_FLOAT and\
+											abs(context_bone_anim_keys[j][0] - context_bone_anim_keys[j+1][0]) < ANIM_OPTIMIZE_PRECISSION_FLOAT:
+											del context_bone_anim_keys[j]
 									
-				# ---------------
+									if len(context_bone_anim_keys) == 2 and context_bone_anim_keys[0][0] == context_bone_anim_keys[1][0]:
+										# This axis has no moton, its okay to skip KeyCount and Keys in this case
+										pass
+									else:
+										# We only need to write these if there is at least one 
+										file.write('\n\t\t\t\t\t\tKeyCount: %i' % len(context_bone_anim_keys))
+										file.write('\n\t\t\t\t\t\tKey: ')					
+										for val, frame in context_bone_anim_keys: 
+											if frame!=act_start:
+												file.write(',')
+											# frame is alredy one less then blenders frame
+											file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n'  % (fbx_time(frame), val ))
+											#file.write('\n\t\t\t\t\t\t\t%i,%.15f,L'  % (fbx_time(frame), val ))
 								
-				file.write('\n\t\t\t}')
+								if		i==0:	file.write('\n\t\t\t\t\t\tColor: 1,0,0')
-				file.write('\n\t\t}')
+								elif	i==1:	file.write('\n\t\t\t\t\t\tColor: 0,1,0')
+								elif	i==2:	file.write('\n\t\t\t\t\t\tColor: 0,0,1')
+								
+								file.write('\n\t\t\t\t\t}')
+							file.write('\n\t\t\t\t\tLayerType: %i' % (TX_LAYER+1) )
+							file.write('\n\t\t\t\t}')
+						
+						# --------------- 
+						
+						file.write('\n\t\t\t}')
+						file.write('\n\t\t}')
 			
 			# end the take
 			file.write('\n\t}')
@@ -2629,7 +2709,7 @@ def fbx_ui_write(filename):
 	Blender.Window.WaitCursor(1)
 	
 	# Make the matrix
-	GLOBAL_MATRIX = Matrix()
+	GLOBAL_MATRIX = mtx4_identity
 	GLOBAL_MATRIX[0][0] = GLOBAL_MATRIX[1][1] = GLOBAL_MATRIX[2][2] = GLOBALS['_SCALE'].val
 	if GLOBALS['_XROT90'].val:	GLOBAL_MATRIX = GLOBAL_MATRIX * mtx4_x90n
 	if GLOBALS['_YROT90'].val:	GLOBAL_MATRIX = GLOBAL_MATRIX * mtx4_y90n