def readMeshes(file, xpsHeader, hasBones):
meshes = []
meshCount = bin_ops.readUInt32(file)
hasHeader = bool(xpsHeader)
hasTangent = False
if hasHeader:
hasTangent = hasTangentHeader(xpsHeader)
for meshId in range(meshCount):
# Name
meshName = readFilesString(file)
if not meshName:
meshName = 'unnamed'
# print('Mesh Name:', meshName)
# uv Count
uvLayerCount = bin_ops.readUInt32(file)
# Textures
textures = []
textureCount = bin_ops.readUInt32(file)
for texId in range(textureCount):
textureFile = ntpath.basename(readFilesString(file))
# print('Texture file', textureFile)
uvLayerId = bin_ops.readUInt32(file)
xpsTexture = xps_types.XpsTexture(texId, textureFile, uvLayerId)
textures.append(xpsTexture)
# Vertices
vertex = []
vertexCount = bin_ops.readUInt32(file)
for vertexId in range(vertexCount):
coord = readXYZ(file)
normal = readXYZ(file)
vertexColor = readVertexColor(file)
uvs = []
for uvLayerId in range(uvLayerCount):
uvVert = readUvVert(file)
uvs.append(uvVert)
if not hasHeader or hasTangent:
tangent = read4Float(file)
boneWeights = []
if hasBones:
# if cero bones dont have weights to read
boneIdx = read4Int16(file)
boneWeight = read4Float(file)
for idx in range(len(boneIdx)):
boneWeights.append(
xps_types.BoneWeight(boneIdx[idx], boneWeight[idx]))
xpsVertex = xps_types.XpsVertex(vertexId, coord, normal,
vertexColor, uvs, boneWeights)
vertex.append(xpsVertex)
# Faces
faces = []
triCount = bin_ops.readUInt32(file)
for i in range(triCount):
triIdxs = readTriIdxs(file)
faces.append(triIdxs)
xpsMesh = xps_types.XpsMesh(meshName, textures, vertex, faces,
uvLayerCount)
meshes.append(xpsMesh)
return meshes
def readMeshes(file, hasBones):
meshes = []
meshCount = ascii_ops.readInt(file)
for meshId in range(meshCount):
# Name
meshName = ascii_ops.readString(file)
if not meshName:
meshName = 'xxx'
# print('Mesh Name:', meshName)
# uv Count
uvLayerCount = ascii_ops.readInt(file)
# Textures
textures = []
textureCount = ascii_ops.readInt(file)
for texId in range(textureCount):
textureFile = ntpath.basename(ascii_ops.readString(file))
# print('Texture file', textureFile)
uvLayerId = ascii_ops.readInt(file)
xpsTexture = xps_types.XpsTexture(texId, textureFile, uvLayerId)
textures.append(xpsTexture)
# Vertices
vertex = []
vertexCount = ascii_ops.readInt(file)
for vertexId in range(vertexCount):
coord = readXYZ(file)
normal = readXYZ(file)
vertexColor = read4Int(file)
uvs = []
for uvLayerId in range(uvLayerCount):
uvVert = readUvVert(file)
uvs.append(uvVert)
# if ????
# tangent????
# tangent = read4float(file)
boneWeights = []
if hasBones:
# if cero bones dont have weights to read
boneIdx = readBoneId(file)
boneWeight = readBoneWeight(file)
for idx in range(len(boneIdx)):
boneWeights.append(
xps_types.BoneWeight(boneIdx[idx], boneWeight[idx]))
xpsVertex = xps_types.XpsVertex(vertexId, coord, normal,
vertexColor, uvs, boneWeights)
vertex.append(xpsVertex)
# Faces
faces = []
triCount = ascii_ops.readInt(file)
for i in range(triCount):
triIdxs = readTriIdxs(file)
faces.append(triIdxs)
xpsMesh = xps_types.XpsMesh(meshName, textures, vertex, faces,
uvLayerCount)
meshes.append(xpsMesh)
return meshes
def getXpsVertices(selectedArmature, mesh):
mapMatVertexKeys = [] # remap vertex index
xpsMatVertices = [] # Vertices separated by material
xpsMatFaces = [] # Faces separated by material
# xpsVertices = [] # list of vertices for a single material
# xpsFaces = [] # list of faces for a single material
uvIndexs = makeSimpleUvVert(mesh)
vColors = makeSimpleVertColor(mesh)
armature = getMeshArmature(selectedArmature, mesh)
objectMatrix = mesh.matrix_world
rotQuaternion = mesh.matrix_world.to_quaternion()
#Calculates tesselated faces and normal split to make them available for export
mesh.data.calc_normals_split()
mesh.data.update(calc_edges=True, calc_tessface=True)
vertices = mesh.data.vertices
matCount = len(mesh.data.materials)
for idx in range(matCount):
xpsMatVertices.append([]) # Vertices separated by material
xpsMatFaces.append([]) # Faces separated by material
mapMatVertexKeys.append({})
for faceIdx, face in enumerate(mesh.data.tessfaces):
material_index = face.material_index
xpsVertices = xpsMatVertices[material_index]
xpsFaces = xpsMatFaces[material_index]
mapVertexKeys = mapMatVertexKeys[material_index]
faceVerts = []
for vertNum, vertIndex in enumerate(face.vertices):
vertex = vertices[vertIndex]
co = coordTransform(objectMatrix * vertex.co)
split_normal = Vector(face.split_normals[vertNum])
norm = coordTransform(rotQuaternion * split_normal)
vColor = getVertexColor()
uv = getUvs(mesh, faceIdx, vertNum)
boneId = getBonesId(mesh, vertex, armature)
boneWeight = getBonesWeight(vertex)
boneWeights = []
for idx in range(len(boneId)):
boneWeights.append(
xps_types.BoneWeight(boneId[idx], boneWeight[idx]))
vertexKey = generateVertexKey(vertex, uv)
if vertexKey in mapVertexKeys:
vertexID = mapVertexKeys[vertexKey]
else:
vertexID = len(xpsVertices)
mapVertexKeys[vertexKey] = vertexID
xpsVertex = xps_types.XpsVertex(vertexID, co, norm, vColor, uv,
boneWeights)
xpsVertices.append(xpsVertex)
faceVerts.append(vertexID)
meshFaces = getXpsFace(faceVerts)
xpsFaces.extend(meshFaces)
return xpsMatVertices, xpsMatFaces
def buildMeshes():
meshes = []
meshName = 'Mesh1'
uvLayerCount = 1
# Textures
textures = []
texId = 0
textureFile = 'textutefile1.png'
uvLayerId = 0
xpsTexture = xps_types.XpsTexture(texId, textureFile, uvLayerId)
textures.append(xpsTexture)
texId = 1
textureFile = 'textutefile2.png'
uvLayerId = 0
xpsTexture = xps_types.XpsTexture(texId, textureFile, uvLayerId)
textures.append(xpsTexture)
# Vertices
vertex = []
# Vertex1
vertexId = 0
coord = (1, 0, 0)
normal = (0, 0, 1)
vertexColor = (255, 255, 255, 0)
uvs = []
uvs.append((.2, .4))
boneWeights = (xps_types.BoneWeight(0, 0), xps_types.BoneWeight(0, 0),
xps_types.BoneWeight(0, 0), xps_types.BoneWeight(0, 0))
xpsVertex = xps_types.XpsVertex(vertexId, coord, normal, vertexColor, uvs,
boneWeights)
# Vertex2
vertexId = 1
coord = (0, 1, 0)
normal = (0, 1, 0)
vertexColor = (255, 255, 255, 0)
uvs = []
uvs.append((.3, .5))
boneWeights = (xps_types.BoneWeight(0, 0), xps_types.BoneWeight(0, 0),
xps_types.BoneWeight(0, 0), xps_types.BoneWeight(0, 0))
xpsVertex = xps_types.XpsVertex(vertexId, coord, normal, vertexColor, uvs,
boneWeights)
vertex.append(xpsVertex)
# Vertex3
vertexId = 2
coord = (0, 0, 1)
normal = (1, 0, 0)
vertexColor = (255, 255, 255, 0)
uvs = []
uvs.append((.3, .9))
boneWeights = (xps_types.BoneWeight(0, 0), xps_types.BoneWeight(0, 0),
xps_types.BoneWeight(0, 0), xps_types.BoneWeight(0, 0))
xpsVertex = xps_types.XpsVertex(vertexId, coord, normal, vertexColor, uvs,
boneWeights)
vertex.append(xpsVertex)
faces = []
face = (0, 1, 2)
faces.append(face)
xpsMesh = xps_types.XpsMesh(meshName, textures, vertex, faces,
uvLayerCount)
meshes.append(xpsMesh)
return meshes
def getXpsVertices(selectedArmature, mesh):
mapMatVertexKeys = [] # remap vertex index
xpsMatVertices = [] # Vertices separated by material
xpsMatFaces = [] # Faces separated by material
# xpsVertices = [] # list of vertices for a single material
# xpsFaces = [] # list of faces for a single material
exportVertColors = xpsSettings.vColors
armature = mesh.find_armature()
objectMatrix = mesh.matrix_world
rotQuaternion = mesh.matrix_world.to_quaternion()
verts_nor = xpsSettings.exportNormals
# Calculates tesselated faces and normal split to make them available for export
mesh.data.calc_normals_split()
mesh.data.update(calc_edges=True, calc_tessface=True)
vertices = mesh.data.vertices
matCount = len(mesh.data.materials)
if (matCount > 0):
for idx in range(matCount):
xpsMatVertices.append([]) # Vertices separated by material
xpsMatFaces.append([]) # Faces separated by material
mapMatVertexKeys.append({})
else:
xpsMatVertices.append([]) # Vertices separated by material
xpsMatFaces.append([]) # Faces separated by material
mapMatVertexKeys.append({})
meshVerts = mesh.data.vertices
meshEdges = mesh.data.edges
# tessface accelerator
hasSeams = any(edge.use_seam for edge in meshEdges)
tessFaces = [tessface for tessface in mesh.data.tessfaces]
#tessFaces = mesh.data.tessfaces
tessface_uv_tex = mesh.data.tessface_uv_textures
tessface_vert_color = mesh.data.tessface_vertex_colors
vertexColors = mesh.data.vertex_colors
meshEdgeKeys = mesh.data.edge_keys
vertEdges = [[] for x in range(len(meshVerts))]
tessEdgeFaces = {}
preserveSeams = xpsSettings.preserveSeams
if (preserveSeams and hasSeams):
# Count edges for faces
tessEdgeCount = Counter(tessEdgeKey for tessFace in tessFaces for tessEdgeKey in tessFace.edge_keys)
# create dictionary. faces for each edge
for tessface in tessFaces:
for tessEdgeKey in tessface.edge_keys:
if tessEdgeFaces.get(tessEdgeKey) is None:
tessEdgeFaces[tessEdgeKey] = []
tessEdgeFaces[tessEdgeKey].append(tessface.index)
# use Dict to speedup search
edgeKeyIndex = {val: index for index, val in enumerate(meshEdgeKeys)}
# create dictionary. Edges connected to each Vert
for key in meshEdgeKeys:
meshEdge = meshEdges[edgeKeyIndex[key]]
vert1, vert2 = key
vertEdges[vert1].append(meshEdge)
vertEdges[vert2].append(meshEdge)
faceEdges = []
faceSeams = []
for face in tessFaces:
faceIdx = face.index
material_index = face.material_index
xpsVertices = xpsMatVertices[material_index]
xpsFaces = xpsMatFaces[material_index]
mapVertexKeys = mapMatVertexKeys[material_index]
faceVerts = []
seamSideId = ''
faces = [face for face in face.vertices]
for vertNum, vertIndex in enumerate(faces):
vertex = meshVerts[vertIndex]
if (preserveSeams and hasSeams):
connectedFaces = set()
faceEdges = vertEdges[vertIndex]
faceSeams = [edge for edge in faceEdges if edge.use_seam]
if (len(faceSeams) >= 1):
vertIsBorder = any(tessEdgeCount[edge.index] != 2 for edge in faceEdges)
if (len(faceSeams) > 1) or (len(faceSeams) == 1 and vertIsBorder):
oldFacesList = set()
connectedFaces = set([face])
while oldFacesList != connectedFaces:
oldFacesList = connectedFaces
allEdgeKeys = set(connEdgeKey for connface in connectedFaces for connEdgeKey in connface.edge_keys)
connEdgesKeys = [edge.key for edge in faceEdges]
connEdgesNotSeamsKeys = [seam.key for seam in faceSeams]
connectedEdges = allEdgeKeys.intersection(connEdgesKeys).difference(connEdgesNotSeamsKeys)
connectedFaces = set(tessFaces[connFace] for connEdge in connectedEdges for connFace in tessEdgeFaces[connEdge])
connectedFaces.add(face)
faceIndices = [face.index for face in connectedFaces]
seamSideId = '|'.join(str(faceIdx) for faceIdx in sorted(faceIndices))
uv = getUvs(tessface_uv_tex, mesh, faceIdx, vertNum)
vertexKey = generateVertexKey(vertex, uv, seamSideId)
if vertexKey in mapVertexKeys:
vertexID = mapVertexKeys[vertexKey]
else:
vCoord = coordTransform(objectMatrix * vertex.co)
if verts_nor:
normal = Vector(face.split_normals[vertNum])
else:
normal = vertex.normal
norm = coordTransform(rotQuaternion * normal)
vColor = getVertexColor(exportVertColors, tessface_vert_color, faceIdx, vertNum)
boneId, boneWeight = getBoneWeights(mesh, vertex, armature)
boneWeights = []
for idx in range(len(boneId)):
boneWeights.append(xps_types.BoneWeight(boneId[idx],
boneWeight[idx]))
vertexID = len(xpsVertices)
mapVertexKeys[vertexKey] = vertexID
xpsVertex = xps_types.XpsVertex(vertexID, vCoord, norm, vColor, uv,
boneWeights)
xpsVertices.append(xpsVertex)
faceVerts.append(vertexID)
meshFaces = getXpsFace(faceVerts)
xpsFaces.extend(meshFaces)
return xpsMatVertices, xpsMatFaces