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