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#######################
# (c) Jan Walter 2000 #
#######################
# CVS
# $Author$
# $Date$
# $RCSfile$
# $Revision$
import Blender
class InventorExport:
def __init__(self, filename):
self.file = open(filename, "w")
def beginObject(self, object):
self.file.write(" Separator {\n")
def endObject(self, object):
self.file.write(" }\n")
def export(self, scene):
print "exporting ..."
self.writeHeader()
for name in scene.objects:
object = Blender.getObject(name)
self.beginObject(object)
self.writeObject(object)
self.endObject(object)
self.writeEnd()
def writeEnd(self):
self.file.write("}\n")
self.file.close()
print "... finished"
def writeFaces(self, faces, smooth, colors, materials, texture):
self.file.write(" IndexedFaceSet {\n")
# colors
if colors:
self.file.write(" vertexProperty VertexProperty {\n")
self.file.write(" orderedRGBA [\n")
for color in colors[:-1]:
r = hex(int(color[0] * 255))
if len(r) == 3:
r = r + "0"
g = hex(int(color[1] * 255))
if len(g) == 3:
g = g + "0"
b = hex(int(color[2] * 255))
if len(b) == 3:
b = b + "0"
colstr = r + g[2:] + b[2:]
self.file.write(" %sff,\n" % colstr)
color = colors[-1]
r = hex(int(color[0] * 255))
if len(r) == 3:
r = r + "0"
g = hex(int(color[1] * 255))
if len(g) == 3:
g = g + "0"
b = hex(int(color[2] * 255))
if len(b) == 3:
b = b + "0"
colstr = r + g[2:] + b[2:]
self.file.write(" %sff\n" % colstr)
self.file.write(" ]\n")
self.file.write(" materialBinding PER_VERTEX_INDEXED\n")
self.file.write(" }\n")
# coordinates
self.file.write(" coordIndex [\n")
for face in faces[:-1]:
if face[4] != smooth:
pass
elif face[2] == 0 and face[3] == 0:
print "can't export lines at the moment ..."
elif face[3] == 0:
self.file.write(" %s, %s, %s, -1,\n" %
(face[0], face[1], face[2]))
else:
self.file.write(" %s, %s, %s, %s, -1,\n"%
(face[0], face[1], face[2], face[3]))
face = faces[-1]
if face[4] != smooth:
pass
elif face[2] == 0 and face[3] == 0:
print "can't export lines at the moment ..."
elif face[3] == 0:
self.file.write(" %s, %s, %s, -1,\n" %
(face[0], face[1], face[2]))
else:
self.file.write(" %s, %s, %s, %s, -1,\n"%
(face[0], face[1], face[2], face[3]))
self.file.write(" ]\n")
# materials
if not colors and materials:
self.file.write(" materialIndex [\n")
for face in faces[:-1]:
if face[4] != smooth:
pass
else:
self.file.write(" %s,\n" % face[5])
face = faces[-1]
if face[4] != smooth:
pass
else:
self.file.write(" %s\n" % face[5])
self.file.write(" ]\n")
# texture coordinates
if texture:
self.file.write(" textureCoordIndex [\n")
index = 0
for face in faces:
if face[3] == 0:
self.file.write(" " +
"%s, %s, %s, -1,\n" %
(index, index+1, index+2))
else:
self.file.write(" " +
"%s, %s, %s, %s, -1,\n" %
(index, index+1, index+2, index+3))
index = index + 4
self.file.write(" ]\n")
self.file.write(" }\n")
def writeHeader(self):
self.file.write("#Inventor V2.1 ascii\n\n")
self.file.write("Separator {\n")
self.file.write(" ShapeHints {\n")
self.file.write(" vertexOrdering COUNTERCLOCKWISE\n")
self.file.write(" }\n")
def writeMaterials(self, materials):
if materials:
self.file.write(" Material {\n")
self.file.write(" diffuseColor [\n")
for name in materials[:-1]:
material = Blender.getMaterial(name)
self.file.write(" %s %s %s,\n" %
(material.R, material.G, material.B))
name = materials[-1]
material = Blender.getMaterial(name)
self.file.write(" %s %s %s\n" %
(material.R, material.G, material.B))
self.file.write(" ]\n")
self.file.write(" }\n")
self.file.write(" MaterialBinding {\n")
self.file.write(" value PER_FACE_INDEXED\n")
self.file.write(" }\n")
def writeMatrix(self, matrix):
self.file.write(" MatrixTransform {\n")
self.file.write(" matrix %s %s %s %s\n" %
(matrix[0][0], matrix[0][1],
matrix[0][2], matrix[0][3]))
self.file.write(" %s %s %s %s\n" %
(matrix[1][0], matrix[1][1],
matrix[1][2], matrix[1][3]))
self.file.write(" %s %s %s %s\n" %
(matrix[2][0], matrix[2][1],
matrix[2][2], matrix[2][3]))
self.file.write(" %s %s %s %s\n" %
(matrix[3][0], matrix[3][1],
matrix[3][2], matrix[3][3]))
self.file.write(" }\n")
def writeNormals(self, normals):
self.file.write(" Normal {\n")
self.file.write(" vector [\n")
for normal in normals[:-1]:
self.file.write(" %s %s %s,\n" %
(normal[0], normal[1], normal[2]))
normal = normals[-1]
self.file.write(" %s %s %s\n" %
(normal[0], normal[1], normal[2]))
self.file.write(" ]\n")
self.file.write(" }\n")
def writeObject(self, object):
if object.type == "Mesh":
mesh = Blender.getMesh(object.data)
self.writeMatrix(object.matrix)
self.writeMaterials(object.materials)
self.writeTexture(mesh.texture, mesh.texcoords)
self.writeVertices(mesh.vertices)
self.writeFaces(mesh.faces, 0, mesh.colors, object.materials,
mesh.texture)
self.writeNormals(mesh.normals)
self.writeFaces(mesh.faces, 1, mesh.colors, object.materials,
mesh.texture)
else:
print "can't export %s at the moment ..." % object.type
def writeTexture(self, texture, texcoords):
if texture:
self.file.write(" Texture2 {\n")
self.file.write(' filename "%s"\n' % texture)
self.file.write(" }\n")
self.file.write(" TextureCoordinate2 {\n")
self.file.write(" point [\n")
for texcoord in texcoords:
self.file.write(" %s %s,\n" %
(texcoord[0], texcoord[1]))
self.file.write(" ]\n")
self.file.write(" }\n")
self.file.write(" TextureCoordinateBinding {\n")
self.file.write(" value PER_VERTEX_INDEXED\n")
self.file.write(" }\n")
def writeVertices(self, vertices):
self.file.write(" Coordinate3 {\n")
self.file.write(" point [\n")
for vertex in vertices[:-1]:
self.file.write(" %s %s %s,\n" %
(vertex[0], vertex[1], vertex[2]))
vertex = vertices[-1]
self.file.write(" %s %s %s\n" %
(vertex[0], vertex[1], vertex[2]))
self.file.write(" ]\n")
self.file.write(" }\n")
ivexport = InventorExport("test.iv")
scene = Blender.getCurrentScene()
ivexport.export(scene)
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