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B3DExport.py
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B3DExport.py
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#!BPY
"""
Name: 'B3D Exporter (.b3d)...'
Blender: 259
Group: 'Export'
Tooltip: 'Export to Blitz3D file format (.b3d)'
"""
__author__ = ["iego 'GaNDaLDF' Parisi, MTLZ (is06), Joerg Henrichs, Marianne Gagnon"]
__url__ = ["www.gandaldf.com"]
__version__ = "3.0"
__bpydoc__ = """\
"""
# BLITZ3D EXPORTER 3.0
# Copyright (C) 2009 by Diego "GaNDaLDF" Parisi - www.gandaldf.com
# Lightmap issue fixed by Capricorn 76 Pty. Ltd. - www.capricorn76.com
# Blender 2.63 compatiblity based on work by MTLZ, www.is06.com
# With changes by Marianne Gagnon and Joerg Henrichs, supertuxkart.sf.net (Copyright (C) 2011-2012)
#
# LICENSE:
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
bl_info = {
"name": "B3D (BLITZ3D) Model Exporter",
"description": "Exports a blender scene or object to the B3D (BLITZ3D) format",
"author": "Diego 'GaNDaLDF' Parisi, MTLZ (is06), Joerg Henrichs, Marianne Gagnon",
"version": (3,1),
"blender": (2, 5, 9),
"api": 31236,
"location": "File > Export",
"warning": '', # used for warning icon and text in addons panel
"wiki_url": "http://supertuxkart.sourceforge.net/Get_involved",
"tracker_url": "https://sourceforge.net/apps/trac/supertuxkart/",
"category": "Import-Export"}
import bpy
import sys,os,os.path,struct,math,string
import mathutils
import math
if not hasattr(sys,"argv"): sys.argv = ["???"]
#Global Stacks
b3d_parameters = {}
texture_flags = []
texs_stack = {}
brus_stack = []
vertex_groups = []
bone_stack = {}
keys_stack = []
texture_count = 0
# bone_stack indices constants
BONE_PARENT_MATRIX = 0
BONE_PARENT = 1
BONE_ITSELF = 2
# texture stack indices constants
TEXTURE_ID = 0
TEXTURE_FLAGS = 1
per_face_vertices = {}
the_scene = None
#Transformation Matrix
TRANS_MATRIX = mathutils.Matrix([[1,0,0,0],[0,0,1,0],[0,1,0,0],[0,0,0,1]])
BONE_TRANS_MATRIX = mathutils.Matrix([[-1,0,0,0],[0,0,-1,0],[0,-1,0,0],[0,0,0,1]])
DEBUG = False
PROGRESS = True
PROGRESS_VERBOSE = False
tesselated_objects = {}
#Support Functions
def write_int(value):
return struct.pack("<i",value)
def write_float(value):
return struct.pack("<f",value)
def write_float_couple(value1, value2):
return struct.pack("<ff", value1, value2)
def write_float_triplet(value1, value2, value3):
return struct.pack("<fff", value1, value2, value3)
def write_float_quad(value1, value2, value3, value4):
return struct.pack("<ffff", value1, value2, value3, value4)
def write_string(value):
binary_format = "<%ds"%(len(value)+1)
return struct.pack(binary_format, str.encode(value))
def write_chunk(name,value):
dummy = bytearray()
return dummy + name + write_int(len(value)) + value
trimmed_paths = {}
def getArmatureAnimationEnd(armature):
end_frame = 1
if armature.animation_data.action:
ipo = armature.animation_data.action.fcurves
for curve in ipo:
if "pose" in curve.data_path:
end_frame = max(end_frame, curve.keyframe_points[-1].co[0])
for nla_track in armature.animation_data.nla_tracks:
if len(nla_track.strips) > 0:
end_frame = max(end_frame, nla_track.strips[-1].frame_end)
return end_frame
# ==== Write B3D File ====
# (main exporter function)
def write_b3d_file(filename, objects=[]):
global texture_flags, texs_stack, trimmed_paths, tesselated_objects
global brus_stack, vertex_groups, bone_stack, keys_stack
#Global Stacks
texture_flags = []
texs_stack = {}
brus_stack = []
vertex_groups = []
bone_stack = []
keys_stack = []
trimmed_paths = {}
file_buf = bytearray()
temp_buf = bytearray()
tesselated_objects = {}
import time
start = time.time()
temp_buf += write_int(1) #Version
temp_buf += write_texs(objects) #TEXS
temp_buf += write_brus(objects) #BRUS
temp_buf += write_node(objects) #NODE
if len(temp_buf) > 0:
file_buf += write_chunk(b"BB3D",temp_buf)
temp_buf = ""
file = open(filename,'wb')
file.write(file_buf)
file.close()
# free memory
trimmed_paths = {}
end = time.time()
print("Exported in", (end - start))
def tesselate_if_needed(objdata):
if objdata not in tesselated_objects:
objdata.calc_tessface()
tesselated_objects[objdata] = True
return objdata
def getUVTextures(obj_data):
# BMesh in blender 2.63 broke this
if bpy.app.version[1] >= 63:
return tesselate_if_needed(obj_data).tessface_uv_textures
else:
return obj_data.uv_textures
def getFaces(obj_data):
# BMesh in blender 2.63 broke this
if bpy.app.version[1] >= 63:
return tesselate_if_needed(obj_data).tessfaces
else:
return obj_data.faces
def getVertexColors(obj_data):
# BMesh in blender 2.63 broke this
if bpy.app.version[1] >= 63:
return tesselate_if_needed(obj_data).tessface_vertex_colors
else:
return obj_data.vertex_colors
# ==== Write TEXS Chunk ====
def write_texs(objects=[]):
global b3d_parameters
global trimmed_paths
global texture_count
texs_buf = bytearray()
temp_buf = bytearray()
layer_max = 0
obj_count = 0
set_wrote = 0
if objects:
exp_obj = objects
else:
if b3d_parameters.get("export-selected"):
exp_obj = [ob for ob in bpy.data.objects if ob.select]
else:
exp_obj = bpy.data.objects
if PROGRESS: print(len(exp_obj),"TEXS")
if PROGRESS_VERBOSE: progress = 0
for obj in exp_obj:
if PROGRESS_VERBOSE:
progress = progress + 1
if (progress % 10 == 0): print("TEXS",progress,"/",len(exp_obj))
if obj.type == "MESH":
set_count = 0
set_wrote = 0
#data = obj.getData(mesh = True)
data = obj.data
# FIXME?
#orig_uvlayer = data.activeUVLayer
layer_set = [[],[],[],[],[],[],[],[]]
# 8 UV layers are supported
texture_flags.append([None,None,None,None,None,None,None,None])
#if len(data.getUVLayerNames()) <= 8:
uv_textures = getUVTextures(data)
if len(uv_textures) <= 8:
if len(uv_textures) > layer_max:
layer_max = len(uv_textures)
else:
layer_max = 8
for face in getFaces(data):
for iuvlayer,uvlayer in enumerate(uv_textures):
if iuvlayer < 8:
# FIXME?
#data.activeUVLayer = uvlayer
#layer_set[iuvlayer].append(face.uv)
new_data = None
try:
new_data = uvlayer.data[face.index].uv
except:
pass
layer_set[iuvlayer].append( new_data )
for i in range(len(uv_textures)):
if set_wrote:
set_count += 1
set_wrote = 0
for iuvlayer in range(i,len(uv_textures)):
if layer_set[i] == layer_set[iuvlayer]:
if texture_flags[obj_count][iuvlayer] is None:
if set_count == 0:
tex_flag = 1
elif set_count == 1:
tex_flag = 65536
elif set_count > 1:
tex_flag = 1
if b3d_parameters.get("mipmap"):
enable_mipmaps=8
else:
enable_mipmaps=0
texture_flags[obj_count][iuvlayer] = tex_flag | enable_mipmaps
set_wrote = 1
for face in getFaces(data):
for iuvlayer,uvlayer in enumerate(uv_textures):
if iuvlayer < 8:
if not (iuvlayer < len(uv_textures)):
continue
# FIXME?
#data.activeUVLayer = uvlayer
#if DEBUG: print("<uv face=", face.index, ">")
img = getUVTextures(data)[iuvlayer].data[face.index].image
if img and b3d_parameters.get("export-textures"):
if img.filepath in trimmed_paths:
img_name = trimmed_paths[img.filepath]
else:
img_name = bpy.path.basename(img.filepath)
trimmed_paths[img.filepath] = img_name
if not img_name in texs_stack:
texs_stack[img_name] = [len(texs_stack), texture_flags[obj_count][iuvlayer]]
temp_buf += write_string(img_name) #Texture File Name
temp_buf += write_int(texture_flags[obj_count][iuvlayer]) #Flags
temp_buf += write_int(2) #Blend
temp_buf += write_float(0) #X_Pos
temp_buf += write_float(0) #Y_Pos
temp_buf += write_float(1) #X_Scale
temp_buf += write_float(1) #Y_Scale
temp_buf += write_float(0) #Rotation
#else:
# if DEBUG: print(" <image id=(previous)","name=","'"+img_name+"'","/>")
#if DEBUG: print("</uv>")
obj_count += 1
#FIXME?
#if orig_uvlayer:
# data.activeUVLayer = orig_uvlayer
texture_count = layer_max
if len(temp_buf) > 0:
texs_buf += write_chunk(b"TEXS",temp_buf)
temp_buf = ""
return texs_buf
# ==== Write BRUS Chunk ====
def write_brus(objects=[]):
global b3d_parameters
global trimmed_paths
global texture_count
brus_buf = bytearray()
temp_buf = bytearray()
mat_count = 0
obj_count = 0
if DEBUG: print("<!-- BRUS chunk -->")
if objects:
exp_obj = objects
else:
if b3d_parameters.get("export-selected"):
exp_obj = [ob for ob in bpy.data.objects if ob.select]
else:
exp_obj = bpy.data.objects
if PROGRESS: print(len(exp_obj),"BRUS")
if PROGRESS_VERBOSE: progress = 0
for obj in exp_obj:
if PROGRESS_VERBOSE:
progress += 1
if (progress % 10 == 0): print("BRUS",progress,"/",len(exp_obj))
if obj.type == "MESH":
data = obj.data
uv_textures = getUVTextures(data)
if len(uv_textures) <= 0:
continue
if DEBUG: print("<obj name=",obj.name,">")
img_found = 0
for face in getFaces(data):
face_stack = []
for iuvlayer,uvlayer in enumerate(uv_textures):
if iuvlayer < 8:
img_id = -1
if face.index >= len(uv_textures[iuvlayer].data):
continue
img = uv_textures[iuvlayer].data[face.index].image
if not img:
continue
img_found = 1
if img.filepath in trimmed_paths:
img_name = trimmed_paths[img.filepath]
else:
img_name = os.path.basename(img.filepath)
trimmed_paths[img.filepath] = img_name
if DEBUG: print(" <!-- Building FACE 'stack' -->")
if img_name in texs_stack:
img_id = texs_stack[img_name][TEXTURE_ID]
face_stack.insert(iuvlayer,img_id)
if DEBUG: print(" <uv face=",face.index,"layer=", iuvlayer, " imgid=", img_id, "/>")
for i in range(len(face_stack),texture_count):
face_stack.append(-1)
if DEBUG: print(" <!-- Writing chunk -->")
if not img_found:
if data.materials:
if data.materials[face.material_index]:
mat_data = data.materials[face.material_index]
mat_colr = mat_data.diffuse_color[0]
mat_colg = mat_data.diffuse_color[1]
mat_colb = mat_data.diffuse_color[2]
mat_alpha = mat_data.alpha
mat_name = mat_data.name
if not mat_name in brus_stack:
brus_stack.append(mat_name)
temp_buf += write_string(mat_name) #Brush Name
temp_buf += write_float(mat_colr) #Red
temp_buf += write_float(mat_colg) #Green
temp_buf += write_float(mat_colb) #Blue
temp_buf += write_float(mat_alpha) #Alpha
temp_buf += write_float(0) #Shininess
temp_buf += write_int(1) #Blend
if b3d_parameters.get("vertex-colors") and len(getVertexColors(data)):
temp_buf += write_int(2) #Fx
else:
temp_buf += write_int(0) #Fx
for i in face_stack:
temp_buf += write_int(i) #Texture ID
else:
if b3d_parameters.get("vertex-colors") and len(getVertexColors(data)) > 0:
if not face_stack in brus_stack:
brus_stack.append(face_stack)
mat_count += 1
temp_buf += write_string("Brush.%.3i"%mat_count) #Brush Name
temp_buf += write_float(1) #Red
temp_buf += write_float(1) #Green
temp_buf += write_float(1) #Blue
temp_buf += write_float(1) #Alpha
temp_buf += write_float(0) #Shininess
temp_buf += write_int(1) #Blend
temp_buf += write_int(2) #Fx
for i in face_stack:
temp_buf += write_int(i) #Texture ID
else: # img_found
if not face_stack in brus_stack:
brus_stack.append(face_stack)
mat_count += 1
temp_buf += write_string("Brush.%.3i"%mat_count) #Brush Name
temp_buf += write_float(1) #Red
temp_buf += write_float(1) #Green
temp_buf += write_float(1) #Blue
temp_buf += write_float(1) #Alpha
temp_buf += write_float(0) #Shininess
temp_buf += write_int(1) #Blend
if DEBUG: print(" <brush id=",len(brus_stack),">")
if b3d_parameters.get("vertex-colors") and len(getVertexColors(data)) > 0:
temp_buf += write_int(2) #Fx
else:
temp_buf += write_int(0) #Fx
for i in face_stack:
temp_buf += write_int(i) #Texture ID
if DEBUG: print(" <texture id=",i,">")
if DEBUG: print(" </brush>")
if DEBUG: print("")
if DEBUG: print("</obj>")
obj_count += 1
#FIXME?
#if orig_uvlayer:
# data.activeUVLayer = orig_uvlayer
if len(temp_buf) > 0:
brus_buf += write_chunk(b"BRUS",write_int(texture_count) + temp_buf) #N Texs
temp_buf = ""
return brus_buf
# ==== Write NODE Chunk ====
def write_node(objects=[]):
global bone_stack
global keys_stack
global b3d_parameters
global the_scene
root_buf = []
node_buf = []
main_buf = bytearray()
temp_buf = []
obj_count = 0
amb_light = 0
num_mesh = 0
num_ligs = 0
num_cams = 0
num_lorc = 0
#exp_scn = Blender.Scene.GetCurrent()
#exp_scn = the_scene
#exp_con = exp_scn.getRenderingContext()
#first_frame = Blender.Draw.Create(exp_con.startFrame())
#last_frame = Blender.Draw.Create(exp_con.endFrame())
#num_frames = last_frame.val - first_frame.val
first_frame = the_scene.frame_start
if DEBUG: print("<node first_frame=", first_frame, ">")
if objects:
exp_obj = objects
else:
if b3d_parameters.get("export-selected"):
exp_obj = [ob for ob in bpy.data.objects if ob.select]
else:
exp_obj = bpy.data.objects
for obj in exp_obj:
if obj.type == "MESH":
num_mesh += 1
if obj.type == "CAMERA":
num_cams += 1
if obj.type == "LAMP":
num_ligs += 1
if b3d_parameters.get("cameras"):
num_lorc += num_cams
if b3d_parameters.get("lights"):
num_lorc += 1
num_lorc += num_ligs
if num_mesh + num_lorc > 1:
exp_root = 1
else:
exp_root = 0
if exp_root:
root_buf.append(write_string("ROOT")) #Node Name
root_buf.append(write_float_triplet(0, 0, 0)) #Position X,Y,Z
root_buf.append(write_float_triplet(1, 1, 1)) #Scale X, Y, Z
root_buf.append(write_float_quad(1, 0, 0, 0)) #Rotation W, X, Y, Z
if PROGRESS: progress = 0
for obj in exp_obj:
if PROGRESS:
progress += 1
print("NODE:",progress,"/",len(exp_obj))
if obj.type == "MESH":
if DEBUG: print(" <mesh name=",obj.name,">")
bone_stack = {}
keys_stack = []
anim_data = None
# check if this object has an armature modifier
for curr_mod in obj.modifiers:
if curr_mod.type == 'ARMATURE':
arm = curr_mod.object
if arm is not None:
anim_data = arm.animation_data
# check if this object has an armature parent (second way to do armature animations in blender)
if anim_data is None:
if obj.parent:
if obj.parent.type == "ARMATURE":
arm = obj.parent
if arm.animation_data:
anim_data = arm.animation_data
if anim_data:
matrix = mathutils.Matrix()
temp_buf.append(write_string(obj.name)) #Node Name
position = matrix.to_translation()
temp_buf.append(write_float_triplet(position[0], position[1], position[2])) #Position X, Y, Z
scale = matrix.to_scale()
temp_buf.append(write_float_triplet(scale[0], scale[2], scale[1])) #Scale X, Y, Z
if DEBUG: print(" <arm name=", obj.name, " loc=", -position[0], position[1], position[2], " scale=", scale[0], scale[1], scale[2], "/>")
quat = matrix.to_quaternion()
quat.normalize()
temp_buf.append(write_float_quad(quat.w, quat.x, quat.z, quat.y))
else:
if b3d_parameters.get("local-space"):
matrix = TRANS_MATRIX.copy()
scale_matrix = mathutils.Matrix()
else:
matrix = obj.matrix_world*TRANS_MATRIX
scale_matrix = obj.matrix_world.copy()
if bpy.app.version[1] >= 62:
# blender 2.62 broke the API : Column-major access was changed to row-major access
tmp = mathutils.Vector([matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1]])
matrix[0][1] = matrix[0][2]
matrix[1][1] = matrix[1][2]
matrix[2][1] = matrix[2][2]
matrix[3][1] = matrix[3][2]
matrix[0][2] = tmp[0]
matrix[1][2] = tmp[1]
matrix[2][2] = tmp[2]
matrix[3][2] = tmp[3]
else:
tmp = mathutils.Vector(matrix[1])
matrix[1] = matrix[2]
matrix[2] = tmp
temp_buf.append(write_string(obj.name)) #Node Name
#print("Matrix : ", matrix)
position = matrix.to_translation()
temp_buf.append(write_float_triplet(position[0], position[2], position[1]))
scale = scale_matrix.to_scale()
temp_buf.append(write_float_triplet(scale[0], scale[2], scale[1]))
quat = matrix.to_quaternion()
quat.normalize()
temp_buf.append(write_float_quad(quat.w, quat.x, quat.z, quat.y))
if DEBUG:
print(" <position>",position[0],position[2],position[1],"</position>")
print(" <scale>",scale[0],scale[1],scale[2],"</scale>")
print(" <rotation>", quat.w, quat.x, quat.y, quat.z, "</rotation>")
if anim_data:
the_scene.frame_set(1,subframe=0.0)
arm_matrix = arm.matrix_world
if b3d_parameters.get("local-space"):
arm_matrix = mathutils.Matrix()
def read_armature(arm_matrix,bone,parent = None):
if (parent and not bone.parent.name == parent.name):
return
matrix = mathutils.Matrix(bone.matrix)
if parent:
#print("==== "+bone.name+" ====")
a = (bone.matrix_local)
#print("A : [%.2f %.2f %.2f %.2f]" % (a[0][0], a[0][1], a[0][2], a[0][3]))
#print(" [%.2f %.2f %.2f %.2f]" % (a[1][0], a[1][1], a[1][2], a[1][3]))
#print(" [%.2f %.2f %.2f %.2f]" % (a[2][0], a[2][1], a[2][2], a[2][3]))
#print(" [%.2f %.2f %.2f %.2f]" % (a[3][0], a[3][1], a[3][2], a[3][3]))
b = (parent.matrix_local.inverted().to_4x4())
#print("B : [%.2f %.2f %.2f %.2f]" % (b[0][0], b[0][1], b[0][2], b[0][3]))
#print(" [%.2f %.2f %.2f %.2f]" % (b[1][0], b[1][1], b[1][2], b[1][3]))
#print(" [%.2f %.2f %.2f %.2f]" % (b[2][0], b[2][1], b[2][2], b[2][3]))
#print(" [%.2f %.2f %.2f %.2f]" % (b[3][0], b[3][1], b[3][2], b[3][3]))
par_matrix = b * a
transform = mathutils.Matrix([[1,0,0,0],[0,0,-1,0],[0,-1,0,0],[0,0,0,1]])
par_matrix = transform*par_matrix*transform
# FIXME: that's ugly, find a clean way to change the matrix.....
if bpy.app.version[1] >= 62:
# blender 2.62 broke the API : Column-major access was changed to row-major access
# TODO: test me
par_matrix[1][3] = -par_matrix[1][3]
par_matrix[2][3] = -par_matrix[2][3]
else:
par_matrix[3][1] = -par_matrix[3][1]
par_matrix[3][2] = -par_matrix[3][2]
#c = par_matrix
#print("With parent")
#print("C : [%.3f %.3f %.3f %.3f]" % (c[0][0], c[0][1], c[0][2], c[0][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[1][0], c[1][1], c[1][2], c[1][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[2][0], c[2][1], c[2][2], c[2][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[3][0], c[3][1], c[3][2], c[3][3]))
else:
#print("==== "+bone.name+" ====")
#print("Without parent")
m = arm_matrix*bone.matrix_local
#c = arm.matrix_world
#print("A : [%.3f %.3f %.3f %.3f]" % (c[0][0], c[0][1], c[0][2], c[0][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[1][0], c[1][1], c[1][2], c[1][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[2][0], c[2][1], c[2][2], c[2][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[3][0], c[3][1], c[3][2], c[3][3]))
#c = bone.matrix_local
#print("B : [%.3f %.3f %.3f %.3f]" % (c[0][0], c[0][1], c[0][2], c[0][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[1][0], c[1][1], c[1][2], c[1][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[2][0], c[2][1], c[2][2], c[2][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[3][0], c[3][1], c[3][2], c[3][3]))
par_matrix = m*mathutils.Matrix([[-1,0,0,0],[0,0,1,0],[0,1,0,0],[0,0,0,1]])
#c = par_matrix
#print("C : [%.3f %.3f %.3f %.3f]" % (c[0][0], c[0][1], c[0][2], c[0][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[1][0], c[1][1], c[1][2], c[1][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[2][0], c[2][1], c[2][2], c[2][3]))
#print(" [%.3f %.3f %.3f %.3f]" % (c[3][0], c[3][1], c[3][2], c[3][3]))
bone_stack[bone.name] = [par_matrix,parent,bone]
if bone.children:
for child in bone.children: read_armature(arm_matrix,child,bone)
for bone in arm.data.bones.values():
if not bone.parent:
read_armature(arm_matrix,bone)
frame_count = first_frame
last_frame = int(getArmatureAnimationEnd(arm))
num_frames = last_frame - first_frame
while frame_count <= last_frame:
the_scene.frame_set(int(frame_count), subframe=0.0)
if DEBUG: print(" <frame id=", int(frame_count), ">")
arm_pose = arm.pose
arm_matrix = arm.matrix_world
transform = mathutils.Matrix([[-1,0,0,0],[0,0,1,0],[0,1,0,0],[0,0,0,1]])
arm_matrix = transform*arm_matrix
for bone_name in arm.data.bones.keys():
#bone_matrix = mathutils.Matrix(arm_pose.bones[bone_name].poseMatrix)
bone_matrix = mathutils.Matrix(arm_pose.bones[bone_name].matrix)
#print("(outer loop) bone_matrix for",bone_name,"=", bone_matrix)
#print(bone_name,":",bone_matrix)
#bone_matrix = bpy.data.scenes[0].objects[0].pose.bones['Bone'].matrix
for ibone in bone_stack:
bone = bone_stack[ibone]
if bone[BONE_ITSELF].name == bone_name:
if DEBUG: print(" <bone id=",ibone,"name=",bone_name,">")
# == 2.4 exporter ==
#if bone_stack[ibone][1]:
# par_matrix = Blender.Mathutils.Matrix(arm_pose.bones[bone_stack[ibone][1].name].poseMatrix)
# bone_matrix *= par_matrix.invert()
#else:
# if b3d_parameters.get("local-space"):
# bone_matrix *= TRANS_MATRIX
# else:
# bone_matrix *= arm_matrix
#bone_loc = bone_matrix.translationPart()
#bone_rot = bone_matrix.rotationPart().toQuat()
#bone_rot.normalize()
#bone_sca = bone_matrix.scalePart()
#keys_stack.append([frame_count - first_frame.val+1,bone_name,bone_loc,bone_sca,bone_rot])
# if has parent
if bone[BONE_PARENT]:
par_matrix = mathutils.Matrix(arm_pose.bones[bone[BONE_PARENT].name].matrix)
bone_matrix = par_matrix.inverted()*bone_matrix
else:
if b3d_parameters.get("local-space"):
bone_matrix = bone_matrix*mathutils.Matrix([[-1,0,0,0],[0,0,1,0],[0,1,0,0],[0,0,0,1]])
else:
#if frame_count == 1:
# print("====",bone_name,"====")
# print("arm_matrix = ", arm_matrix)
# print("bone_matrix = ", bone_matrix)
bone_matrix = arm_matrix*bone_matrix
#if frame_count == 1:
# print("arm_matrix*bone_matrix", bone_matrix)
#print("bone_matrix =", bone_matrix)
bone_sca = bone_matrix.to_scale()
bone_loc = bone_matrix.to_translation()
# FIXME: silly tweaks to resemble the Blender 2.4 exporter output
if b3d_parameters.get("local-space"):
bone_rot = bone_matrix.to_quaternion()
bone_rot.normalize()
if not bone[BONE_PARENT]:
tmp = bone_rot.z
bone_rot.z = bone_rot.y
bone_rot.y = tmp
bone_rot.x = -bone_rot.x
else:
tmp = bone_loc.z
bone_loc.z = bone_loc.y
bone_loc.y = tmp
else:
bone_rot = bone_matrix.to_quaternion()
bone_rot.normalize()
keys_stack.append([frame_count - first_frame+1, bone_name, bone_loc, bone_sca, bone_rot])
if DEBUG: print(" <loc>", bone_loc, "</loc>")
if DEBUG: print(" <rot>", bone_rot, "</rot>")
if DEBUG: print(" <scale>", bone_sca, "</scale>")
if DEBUG: print(" </bone>")
frame_count += 1
if DEBUG: print(" </frame>")
#Blender.Set("curframe",0)
#Blender.Window.Redraw()
temp_buf.append(write_node_mesh(obj,obj_count,anim_data,exp_root)) #NODE MESH
if anim_data:
temp_buf.append(write_node_anim(num_frames)) #NODE ANIM
for ibone in bone_stack:
if not bone_stack[ibone][BONE_PARENT]:
temp_buf.append(write_node_node(ibone)) #NODE NODE
obj_count += 1
if len(temp_buf) > 0:
node_buf.append(write_chunk(b"NODE",b"".join(temp_buf)))
temp_buf = []
if DEBUG: print(" </mesh>")
if b3d_parameters.get("cameras"):
if obj.type == "CAMERA":
data = obj.data
matrix = obj.getMatrix("worldspace")
matrix *= TRANS_MATRIX
if data.type == "ORTHO":
cam_type = 2
cam_zoom = round(data.scale,4)
else:
cam_type = 1
cam_zoom = round(data.lens,4)
cam_near = round(data.clipStart,4)
cam_far = round(data.clipEnd,4)
node_name = ("CAMS"+"\n%s"%obj.name+"\n%s"%cam_type+\
"\n%s"%cam_zoom+"\n%s"%cam_near+"\n%s"%cam_far)
temp_buf.append(write_string(node_name)) #Node Name
position = matrix.translation_part()
temp_buf.append(write_float_triplet(-position[0], position[1], position[2]))
scale = matrix.scale_part()
temp_buf.append(write_float_triplet(scale[0], scale[1], scale[2]))
matrix *= mathutils.Matrix.Rotation(180,4,'Y')
quat = matrix.to_quat()
quat.normalize()
temp_buf.append(write_float_quad(quat.w, quat.x, quat.y, -quat.z))
if len(temp_buf) > 0:
node_buf.append(write_chunk(b"NODE",b"".join(temp_buf)))
temp_buf = []
if b3d_parameters.get("lights"):
if amb_light == 0:
data = Blender.World.GetCurrent()
amb_light = 1
amb_color = (int(data.amb[2]*255) |(int(data.amb[1]*255) << 8) | (int(data.amb[0]*255) << 16))
node_name = (b"AMBI"+"\n%s"%amb_color)
temp_buf.append(write_string(node_name)) #Node Name
temp_buf.append(write_float_triplet(0, 0, 0)) #Position X, Y, Z
temp_buf.append(write_float_triplet(1, 1, 1)) #Scale X, Y, Z
temp_buf.append(write_float_quad(1, 0, 0, 0)) #Rotation W, X, Y, Z
if len(temp_buf) > 0:
node_buf.append(write_chunk(b"NODE",b"".join(temp_buf)))
temp_buf = []
if obj.type == "LAMP":
data = obj.getData()
matrix = obj.getMatrix("worldspace")
matrix *= TRANS_MATRIX
if data.type == 0:
lig_type = 2
elif data.type == 2:
lig_type = 3
else:
lig_type = 1
lig_angle = round(data.spotSize,4)
lig_color = (int(data.b*255) |(int(data.g*255) << 8) | (int(data.r*255) << 16))
lig_range = round(data.dist,4)
node_name = ("LIGS"+"\n%s"%obj.name+"\n%s"%lig_type+\
"\n%s"%lig_angle+"\n%s"%lig_color+"\n%s"%lig_range)
temp_buf.append(write_string(node_name)) #Node Name
position = matrix.translation_part()
temp_buf.append(write_float_triplet(-position[0], position[1], position[2]))
if DEBUG: print(" <position>",-position[0],position[1],position[2],"</position>")
scale = matrix.scale_part()
temp_buf.append(write_float_triplet(scale[0], scale[1], scale[2]))
if DEBUG: print(" <scale>",scale[0],scale[1],scale[2],"</scale>")
matrix *= mathutils.Matrix.Rotation(180,4,'Y')
quat = matrix.toQuat()
quat.normalize()
temp_buf.append(write_float_quad(quat.w, quat.x, quat.y, -quat.z))
if DEBUG: print(" <rotation>", quat.w, quat.x, quat.y, quat.z, "</rotation>")
if len(temp_buf) > 0:
node_buf.append(write_chunk(b"NODE","b".join(temp_buf)))
temp_buf = []
if len(node_buf) > 0:
if exp_root:
main_buf += write_chunk(b"NODE",b"".join(root_buf) + b"".join(node_buf))
else:
main_buf += b"".join(node_buf)
node_buf = []
root_buf = []
if DEBUG: print("</node>")
return main_buf
# ==== Write NODE MESH Chunk ====
def write_node_mesh(obj,obj_count,arm_action,exp_root):
global vertex_groups
vertex_groups = []
mesh_buf = bytearray()
temp_buf = bytearray()
if arm_action:
data = obj.data
else:
data = obj.to_mesh(the_scene, True, 'PREVIEW')
temp_buf += write_int(-1) #Brush ID
temp_buf += write_node_mesh_vrts(obj, data, obj_count, arm_action, exp_root) #NODE MESH VRTS
temp_buf += write_node_mesh_tris(obj, data, obj_count, arm_action, exp_root) #NODE MESH TRIS