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Diffstat (limited to 'intern/python/objexport/BlendImport.py')
| -rw-r--r-- | intern/python/objexport/BlendImport.py | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/intern/python/objexport/BlendImport.py b/intern/python/objexport/BlendImport.py new file mode 100644 index 00000000000..d72370f783f --- /dev/null +++ b/intern/python/objexport/BlendImport.py @@ -0,0 +1,157 @@ +#! /usr/bin/env python + +####################### +# (c) Jan Walter 2000 # +####################### + +# CVS +# $Author$ +# $Date$ +# $RCSfile$ +# $Revision$ + +TAB = " " + +vertices = [] +vertexNormals = [] +faces = [] +materials = [] +switchMaterial = [] +currentMaterial = [] +materialIndex = 0 + +def addVertex(x, y, z): + global vertices + vertices.append([x, y, z]) + return len(vertices) + +def addVertexNormal(i, j, k): + global vertexNormals + vertexNormals.append([i, j, k]) + return len(vertexNormals) + +def addFace(vi, ti, ni): + global faces + faces.append([vi, ti, ni]) + return len(faces) + +def addMaterial(name, Kd, Ks, Ka): + global materials + materials.append([name, Kd, Ks, Ka]) + return len(materials) + +def findMaterial(name): + global materials + for material in materials: + if material[0] == name: + return material + +def setCurrentMaterial(name): + global switchMaterial, faces, currentMaterial + switchMaterial.append(len(faces)) + currentMaterial.append(name) + +class OpenInventor: + def export(self, filename, useNormals = 1, useMaterials = 1): + global vertices, vertexNormals, faces, materials, switchMaterial + global currentMaterial, materialIndex + file = open(filename, "w") + file.write("#Inventor V2.1 ascii\n\n") + file.write("Separator {\n") + ############ + # vertices # + ############ + file.write("%sCoordinate3 {\n" % (TAB, )) + file.write("%spoint [ \n" % (TAB*2, )) + for i in xrange(len(vertices)-1): + x, y, z = vertices[i] + file.write("%s %s %s %s,\n" % (TAB*2, x, y, z)) + x, y, z = vertices[i+1] + file.write("%s %s %s %s\n" % (TAB*2, x, y, z)) + file.write("%s ] \n" % (TAB*2, )) + file.write("%s}\n" % (TAB, )) + ########### + # normals # + ########### + if useNormals: + file.write("%sNormal {\n" % (TAB, )) + file.write("%svector [ \n" % (TAB*2, )) + for i in xrange(len(vertexNormals)-1): + x, y, z = vertexNormals[i] + file.write("%s %s %s %s,\n" % (TAB*2, x, y, z)) + x, y, z = vertexNormals[i-1] + file.write("%s %s %s %s\n" % (TAB*2, x, y, z)) + file.write("%s ] \n" % (TAB*2, )) + file.write("%s}\n" % (TAB, )) + ######### + # faces # + ######### + switchMaterial.append(len(faces)) + for si in xrange(len(switchMaterial) - 1): + i1, i2 = switchMaterial[si], switchMaterial[si+1] + # -------------- + # write material + # -------------- + if materials: + name = currentMaterial[materialIndex] + material = findMaterial(name) + if useMaterials: + file.write("%sMaterial {\n" % (TAB, )) + file.write("%sambientColor %s %s %s\n" % + (TAB*2, + material[3][0], + material[3][1], + material[3][2])) + file.write("%sdiffuseColor %s %s %s\n" % + (TAB*2, + material[1][0], + material[1][1], + material[1][2])) + file.write("%sspecularColor %s %s %s\n" % + (TAB*2, + material[2][0], + material[2][1], + material[2][2])) + file.write("%s}\n" % (TAB, )) + # ----------- + # write faces + # ----------- + file.write("%sIndexedFaceSet {\n" % (TAB, )) + # indices for vertices + file.write("%scoordIndex [ \n" % (TAB*2, )) + for i in xrange(i1, i2-1): + indices = faces[i][0] + istring = "" + for index in indices: + # indices begin with 0 in OpenInventor + istring = istring + "%s, " % (index - 1, ) + file.write("%s %s-1, \n" % (TAB*2, istring)) + indices = faces[i+1][0] + istring = "" + for index in indices: + # indices begin with 0 in OpenInventor + istring = istring + "%s, " % (index - 1, ) + file.write("%s %s-1\n" % (TAB*2, istring)) + file.write("%s ] \n" % (TAB*2, )) + # update materialIndex + materialIndex = materialIndex + 1 + if useNormals: + # indices for normals + file.write("%snormalIndex [ \n" % (TAB*2, )) + for i in xrange(i1, i2-1): + indices = faces[i][2] + istring = "" + for index in indices: + # indices begin with 0 in OpenInventor + istring = istring + "%s, " % (index - 1, ) + file.write("%s %s-1, \n" % (TAB*2, istring)) + indices = faces[i+1][2] + istring = "" + for index in indices: + # indices begin with 0 in OpenInventor + istring = istring + "%s, " % (index - 1, ) + file.write("%s %s-1\n" % (TAB*2, istring)) + file.write("%s ] \n" % (TAB*2, )) + file.write("%s}\n" % (TAB, )) + file.write("}\n") + file.close() |