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three.js

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提交 8544110f 编写于 作者: A alteredq
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Fixed Blender importer to work with Blender 2.58.

上级 53a73206
隐藏空白更改
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Showing with 109 addition and 109 deletion
utils/exporters/blender/2.58/scripts/addons/io_mesh_threejs/import_threejs.py
浏览文件 @ 8544110f
......@@ -27,7 +27,7 @@ import json
import bpy
import mathutils
from mathutils.geometry import tesselate_polygon
from io_utils import load_image, unpack_list, unpack_face_list
from bpy_extras.image_utils import load_image
# #####################################################
# Generators
......@@ -40,43 +40,43 @@ def setColor(c, t):
def create_texture(filename, modelpath):
name = filename
texture = bpy.data.textures.new(name, type='IMAGE')
image = load_image(filename, modelpath)
has_data = False
if image:
texture.image = image
has_data = image.has_data
return texture
def create_materials(data, modelpath):
materials = []
materials_data = data.get("materials", [])
for i, m in enumerate(materials_data):
name = m.get("DbgName", "material_%d" % i)
colorAmbient = m.get("colorAmbient", None)
colorDiffuse = m.get("colorDiffuse", None)
colorSpecular = m.get("colorSpecular", None)
alpha = m.get("transparency", 1.0)
specular_hardness = m.get("specularCoef", 0)
mapDiffuse = m.get("mapDiffuse", None)
mapLightmap = m.get("mapLightmap", None)
vertexColorsType = m.get("vertexColors", False)
useVertexColors = False
if vertexColorsType:
useVertexColors = True
material = bpy.data.materials.new(name)
material.THREE_useVertexColors = useVertexColors
if colorDiffuse:
setColor(material.diffuse_color, colorDiffuse)
material.diffuse_intensity = 1.0
......@@ -84,14 +84,14 @@ def create_materials(data, modelpath):
if colorSpecular:
setColor(material.specular_color, colorSpecular)
material.specular_intensity = 1.0
if alpha < 1.0:
material.alpha = alpha
material.use_transparency = True
if specular_hardness:
material.specular_hardness = specular_hardness
if mapDiffuse:
texture = create_texture(mapDiffuse, modelpath)
mtex = material.texture_slots.add()
......@@ -99,13 +99,13 @@ def create_materials(data, modelpath):
mtex.texture_coords = 'UV'
mtex.use = True
mtex.use_map_color_diffuse = True
material.active_texture = texture
materials.append(material)
return materials
def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate_normals):
faces = face_data["faces"]
......@@ -114,23 +114,23 @@ def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate
vertexUVs = face_data["vertexUVs"]
faceMaterials = face_data["materials"]
faceColors = face_data["faceColors"]
edges = []
# Create a new mesh
me = bpy.data.meshes.new(name)
me.from_pydata(vertices, edges, faces)
# Handle normals
if not recalculate_normals:
me.update(calc_edges = True)
if face_data["hasVertexNormals"]:
print("setting vertex normals")
for fi in range(len(faces)):
if vertexNormals[fi]:
......@@ -139,24 +139,24 @@ def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate
# if me.update() is called after setting vertex normals
# setting face.use_smooth overrides these normals
# - this fixes weird shading artefacts (seems to come from sharing
# - this fixes weird shading artefacts (seems to come from sharing
# of vertices between faces, didn't find a way how to set vertex normals
# per face use of vertex as opposed to per vertex),
# per face use of vertex as opposed to per vertex),
# - probably this just overrides all custom vertex normals
# - to preserve vertex normals from the original data
# call me.update() before setting them
me.faces[fi].use_smooth = True
if not recalculate_normals:
for j in range(len(vertexNormals[fi])):
vertexNormal = vertexNormals[fi][j]
x = vertexNormal[0]
y = vertexNormal[1]
z = vertexNormal[2]
if flipYZ:
tmp = y
y = -z
......@@ -169,45 +169,45 @@ def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate
#z = -z
vi = me.faces[fi].vertices[j]
me.vertices[vi].normal.x = x
me.vertices[vi].normal.y = y
me.vertices[vi].normal.z = z
if recalculate_normals:
me.update(calc_edges = True)
# Handle colors
if face_data["hasVertexColors"]:
print("setting vertex colors")
me.vertex_colors.new("vertex_color_layer_0")
for fi in range(len(faces)):
if vertexColors[fi]:
face_colors = me.vertex_colors[0].data[fi]
face_colors = face_colors.color1, face_colors.color2, face_colors.color3, face_colors.color4
for vi in range(len(vertexColors[fi])):
r = vertexColors[fi][vi][0]
g = vertexColors[fi][vi][1]
b = vertexColors[fi][vi][2]
face_colors[vi].r = r
face_colors[vi].g = g
face_colors[vi].b = b
elif face_data["hasFaceColors"]:
print("setting vertex colors from face colors")
me.vertex_colors.new("vertex_color_layer_0")
for fi in range(len(faces)):
if faceColors[fi]:
......@@ -218,19 +218,19 @@ def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate
face_colors = me.vertex_colors[0].data[fi]
face_colors = face_colors.color1, face_colors.color2, face_colors.color3, face_colors.color4
for vi in range(len(faces[fi])):
face_colors[vi].r = r
face_colors[vi].g = g
face_colors[vi].b = b
# Handle uvs
if face_data["hasVertexUVs"]:
print("setting vertex uvs")
for li, layer in enumerate(vertexUVs):
me.uv_textures.new("uv_layer_%d" % li)
......@@ -238,47 +238,47 @@ def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate
for fi in range(len(faces)):
if layer[fi]:
uv_face = me.uv_textures[li].data[fi]
face_uvs = uv_face.uv1, uv_face.uv2, uv_face.uv3, uv_face.uv4
for vi in range(len(layer[fi])):
u = layer[fi][vi][0]
v = layer[fi][vi][1]
face_uvs[vi].x = u
face_uvs[vi].y = 1.0 - v
active_texture = materials[faceMaterials[fi]].active_texture
if active_texture:
uv_face.use_image = True
uv_face.image = active_texture.image
# Handle materials # 1
if face_data["hasMaterials"]:
print("setting materials (mesh)")
for m in materials:
me.materials.append(m)
print("setting materials (faces)")
print("setting materials (faces)")
for fi in range(len(faces)):
if faceMaterials[fi] >= 0:
me.faces[fi].material_index = faceMaterials[fi]
# Create a new object
ob = bpy.data.objects.new(name, me)
ob = bpy.data.objects.new(name, me)
ob.data = me # link the mesh data to the object
......@@ -286,14 +286,14 @@ def create_mesh_object(name, vertices, materials, face_data, flipYZ, recalculate
scene.objects.link(ob) # link the object into the scene
ob.location = scene.cursor_location # position object at 3d-cursor
# #####################################################
# Faces
# #####################################################
def extract_faces(data):
result = {
"faces" : [],
"materials" : [],
......@@ -303,14 +303,14 @@ def extract_faces(data):
"vertexNormals" : [],
"faceColors" : [],
"vertexColors" : [],
"hasVertexNormals" : False,
"hasVertexUVs" : False,
"hasVertexColors" : False,
"hasFaceColors" : False,
"hasMaterials" : False
}
faces = data.get("faces", [])
normals = data.get("normals", [])
colors = data.get("colors", [])
......@@ -351,23 +351,23 @@ def extract_faces(data):
result["hasVertexColors"] = result["hasVertexColors"] or hasFaceVertexColor
result["hasFaceColors"] = result["hasFaceColors"] or hasFaceColor
result["hasMaterials"] = result["hasMaterials"] or hasMaterial
# vertices
if isQuad:
a = faces[ offset ]
offset += 1
b = faces[ offset ]
offset += 1
c = faces[ offset ]
offset += 1
d = faces[ offset ]
offset += 1
face = [a, b, c, d]
nVertices = 4
......@@ -376,26 +376,26 @@ def extract_faces(data):
a = faces[ offset ]
offset += 1
b = faces[ offset ]
offset += 1
c = faces[ offset ]
offset += 1
face = [a, b, c]
nVertices = 3
result["faces"].append(face)
# material
if hasMaterial:
materialIndex = faces[ offset ]
offset += 1
else:
materialIndex = -1
......@@ -407,9 +407,9 @@ def extract_faces(data):
for i in range(nUvLayers):
faceUv = None
if hasFaceUv:
uvLayer = data["uvs"][ i ]
uvIndex = faces[ offset ]
......@@ -419,7 +419,7 @@ def extract_faces(data):
v = uvLayer[ uvIndex * 2 + 1 ]
faceUv = [u, v]
result["faceUVs"][i].append(faceUv)
......@@ -452,18 +452,18 @@ def extract_faces(data):
z = normals[ normalIndex + 2 ]
faceNormal = [x, y, z]
else:
faceNormal = None
result["faceNormals"].append(faceNormal)
if hasFaceVertexNormal:
vertexNormals = []
for j in range(nVertices):
normalIndex = faces[ offset ] * 3
......@@ -472,14 +472,14 @@ def extract_faces(data):
x = normals[ normalIndex ]
y = normals[ normalIndex + 1 ]
z = normals[ normalIndex + 2 ]
vertexNormals.append( [x, y, z] )
else:
vertexNormals = None
result["vertexNormals"].append(vertexNormals)
......@@ -487,11 +487,11 @@ def extract_faces(data):
colorIndex = faces[ offset ]
offset += 1
faceColor = hexToTuple( colors[ colorIndex ] )
else:
faceColor = None
result["faceColors"].append(faceColor)
......@@ -510,14 +510,14 @@ def extract_faces(data):
vertexColors.append( color )
else:
vertexColors = None
result["vertexColors"].append(vertexColors)
return result
# #####################################################
# Utils
# #####################################################
......@@ -527,10 +527,10 @@ def hexToTuple( hexColor ):
g = (( hexColor >> 8 ) & 0xff) / 255.0
b = ( hexColor & 0xff) / 255.0
return (r, g, b)
def isBitSet(value, position):
return value & ( 1 << position )
def splitArray(data, chunkSize):
result = []
chunk = []
......@@ -546,7 +546,7 @@ def splitArray(data, chunkSize):
def extract_json_string(text):
marker_begin = "var model ="
marker_end = "postMessage"
start = text.find(marker_begin) + len(marker_begin)
end = text.find(marker_end)
end = text.rfind("}", start, end)
......@@ -563,13 +563,13 @@ def get_path(filepath):
# #####################################################
def load(operator, context, filepath, option_flip_yz = True, recalculate_normals = True):
print('\nimporting %r' % filepath)
time_main = time.time()
print("\tparsing JSON file...")
time_sub = time.time()
file = open(filepath, 'rU')
......@@ -578,24 +578,24 @@ def load(operator, context, filepath, option_flip_yz = True, recalculate_normals
json_string = extract_json_string(rawcontent)
data = json.loads( json_string )
time_new = time.time()
print('parsing %.4f sec' % (time_new - time_sub))
time_sub = time_new
# flip YZ
vertices = splitArray(data["vertices"], 3)
if option_flip_yz:
vertices[:] = [(v[0], -v[2], v[1]) for v in vertices]
vertices[:] = [(v[0], -v[2], v[1]) for v in vertices]
# extract faces
face_data = extract_faces(data)
# deselect all
bpy.ops.object.select_all(action='DESELECT')
......@@ -606,19 +606,19 @@ def load(operator, context, filepath, option_flip_yz = True, recalculate_normals
ncolors = len(data.get("colors", [])) / 3
nuvs = len(data.get("uvs", [])) / 2
nmaterials = len(data.get("materials", []))
print('\tbuilding geometry...\n\tfaces:%i, vertices:%i, vertex normals: %i, vertex uvs: %i, vertex colors: %i, materials: %i ...' % (
print('\tbuilding geometry...\n\tfaces:%i, vertices:%i, vertex normals: %i, vertex uvs: %i, vertex colors: %i, materials: %i ...' % (
nfaces, nvertices, nnormals, nuvs, ncolors, nmaterials ))
# Create materials
materials = create_materials(data, get_path(filepath))
# Create new obj
create_mesh_object(get_name(filepath), vertices, materials, face_data, option_flip_yz, recalculate_normals)
scene = bpy.context.scene
scene = bpy.context.scene
scene.update()
time_new = time.time()
......
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