update export module into bm 1.1
This commit is contained in:
@ -42,7 +42,7 @@ class ExportBM(bpy.types.Operator, bpy_extras.io_utils.ExportHelper):
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)
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def execute(self, context):
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export_bm(context, self.filepath, self.export_mode, self.export_target, "") #todo: fix no_component_suffix
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export_bm(context, self.filepath, self.export_mode, self.export_target)
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return {'FINISHED'}
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@ -254,8 +254,20 @@ def import_bm(context,filepath,externalTexture,blenderTempFolder):
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# object
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fobject = open(os.path.join(tempFolder, "object.bm"), "rb")
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# we need get needed collection first
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view_layer = context.view_layer
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collection = view_layer.active_layer_collection.collection
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if prefs.no_component_collection == "":
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forcedCollection = None
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else:
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try:
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forcedCollection = bpy.data.collections[prefs.no_component_collection]
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except:
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forcedCollection = bpy.data.collections.new(prefs.no_component_collection)
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view_layer.active_layer_collection.collection.children.link(forcedCollection)
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# start process it
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for item in objectList:
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fobject.seek(item.offset, os.SEEK_SET)
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@ -276,9 +288,12 @@ def import_bm(context,filepath,externalTexture,blenderTempFolder):
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obj = bpy.data.objects.new(item.name, neededMesh)
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obj.matrix_world = object_worldMatrix
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obj.hide_viewport = object_isHidden
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# todo: finish forced collection grouping
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collection.objects.link(obj)
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if (not object_isComponent) and object_isForcedNoComponent and (forcedCollection != None):
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forcedCollection.objects.link(obj)
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else:
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collection.objects.link(obj)
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fobject.close()
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view_layer.update()
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@ -293,27 +308,23 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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# tempFolder = "G:\\ziptest"
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tempTextureFolder = os.path.join(tempFolder, "Texture")
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os.makedirs(tempTextureFolder)
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prefs = bpy.context.preferences.addons[__package__].preferences
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# ============================================ find export target
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# ============================================ find export target. don't need judge them in there. just collect them
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if export_mode== "COLLECTION":
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objectList = bpy.data.collections[export_target].objects
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else:
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objectList = [bpy.data.objects[export_target]]
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needSuffixChecker = no_component_suffix != ""
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componentObj = set()
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for obj in objectList:
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if needSuffixChecker and obj.name.endwith(no_component_suffix):
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pass # meshObjList.add(obj)
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else:
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if is_component(obj.name):
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componentObj.add(obj)
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else:
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pass # meshObjList.add(obj)
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# try get forcedCollection
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try:
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forcedCollection = bpy.data.collections[prefs.no_component_collection]
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except:
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forcedCollection = None
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# ============================================ export
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finfo = open(os.path.join(tempFolder, "index.bm"), "wb")
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finfo.write(struct.pack("I", bm_current_version))
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write_uint32(finfo, bm_current_version)
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# ====================== export object
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fobject = open(os.path.join(tempFolder, "object.bm"), "wb")
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@ -325,14 +336,21 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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if obj.type != 'MESH':
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continue
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varis_component = obj in componentObj
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# clean no mesh object
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currentMesh = obj.data
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if currentMesh == None:
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continue
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# judge component
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object_isComponent = is_component(obj.name)
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object_isForcedNoComponent = False
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if (forcedCollection != None) and (obj.name in forcedCollection.objects):
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# change it to forced no component
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object_isComponent = False
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object_isForcedNoComponent = True
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# triangle first and then group
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if not varis_component:
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if not object_isComponent:
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if currentMesh not in meshSet:
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mesh_triangulate(currentMesh)
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meshSet.add(currentMesh)
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@ -341,19 +359,23 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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meshCount += 1
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else:
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meshId = meshList.index(currentMesh)
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else:
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meshId = get_component_id(obj.name)
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# get visibility
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object_isHidden = obj.hide_viewport
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# write finfo first
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write_string(finfo, obj.name)
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write_int(finfo, info_bm_type.OBJECT)
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write_long(finfo, fobject.tell())
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write_uint32(finfo, info_bm_type.OBJECT)
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write_uint64(finfo, fobject.tell())
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# write fobject
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write_int(fobject, 1 if varis_component else 0)
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write_bool(fobject, object_isComponent)
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write_bool(fobject, object_isForcedNoComponent)
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write_bool(fobject, object_isHidden)
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write_worldMatrix(fobject, obj.matrix_world)
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if varis_component:
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write_int(fobject, get_component_id(obj.name))
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else:
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write_int(fobject, meshId)
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write_uint32(fobject, meshId)
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fobject.close()
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@ -366,13 +388,13 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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# write finfo first
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write_string(finfo, mesh.name)
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write_int(finfo, info_bm_type.MESH)
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write_long(finfo, fmesh.tell())
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write_uint32(finfo, info_bm_type.MESH)
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write_uint64(finfo, fmesh.tell())
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# write fmesh
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# vertices
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vecList = mesh.vertices[:]
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write_int(fmesh, len(vecList))
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write_uint32(fmesh, len(vecList))
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for vec in vecList:
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#swap yz
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write_3vector(fmesh,vec.co[0],vec.co[2],vec.co[1])
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@ -380,7 +402,7 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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# uv
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face_index_pairs = [(face, index) for index, face in enumerate(mesh.polygons)]
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uv_layer = mesh.uv_layers.active.data[:]
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write_int(fmesh, len(face_index_pairs) * 3)
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write_uint32(fmesh, len(face_index_pairs) * 3)
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for f, f_index in face_index_pairs:
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# it should be triangle face, otherwise throw a error
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if (f.loop_total != 3):
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@ -392,7 +414,7 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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write_2vector(fmesh, uv[0], -uv[1])
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# normals
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write_int(fmesh, len(face_index_pairs) * 3)
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write_uint32(fmesh, len(face_index_pairs) * 3)
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for f, f_index in face_index_pairs:
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# no need to check triangle again
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for loop_index in range(f.loop_start, f.loop_start + f.loop_total):
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@ -409,7 +431,7 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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materialSet.add(mat)
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materialList.append(mat)
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write_int(fmesh, len(face_index_pairs))
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write_uint32(fmesh, len(face_index_pairs))
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vtIndex = []
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vnIndex = []
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vIndex = []
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@ -438,8 +460,8 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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vIndex[0], vtIndex[0], vnIndex[0])
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# set used material
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write_int(fmesh, 0 if noMaterial else 1)
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write_int(fmesh, usedMat)
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write_bool(fmesh, not noMaterial)
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write_uint32(fmesh, usedMat)
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mesh.free_normals_split()
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@ -454,19 +476,28 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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for material in materialList:
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# write finfo first
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write_string(finfo, material.name)
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write_int(finfo, info_bm_type.MATERIAL)
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write_long(finfo, fmaterial.tell())
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write_uint32(finfo, info_bm_type.MATERIAL)
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write_uint64(finfo, fmaterial.tell())
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# write basic color
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# try get original written data
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material_colAmbient = try_get_custom_property(material, 'virtools-ambient')
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material_colDiffuse = try_get_custom_property(material, 'virtools-diffuse')
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material_colSpecular = try_get_custom_property(material, 'virtools-specular')
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material_colEmissive = try_get_custom_property(material, 'virtools-emissive')
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material_specularPower = try_get_custom_property(material, 'virtools-power')
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# get basic color
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mat_wrap = node_shader_utils.PrincipledBSDFWrapper(material)
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if mat_wrap:
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use_mirror = mat_wrap.metallic != 0.0
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if use_mirror:
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write_3vector(fmaterial, mat_wrap.metallic, mat_wrap.metallic, mat_wrap.metallic)
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set_value_when_none(material_colAmbient, (mat_wrap.metallic, mat_wrap.metallic, mat_wrap.metallic))
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else:
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write_3vector(fmaterial, 1, 1, 1)
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write_3vector(fmaterial, mat_wrap.base_color[0], mat_wrap.base_color[1], mat_wrap.base_color[2])
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write_3vector(fmaterial, mat_wrap.specular, mat_wrap.specular, mat_wrap.specular)
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set_value_when_none(material_colAmbient, (1.0, 1.0, 1.0))
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set_value_when_none(material_colDiffuse, (mat_wrap.base_color[0], mat_wrap.base_color[1], mat_wrap.base_color[2]))
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set_value_when_none(material_colSpecular, (mat_wrap.specular, mat_wrap.specular, mat_wrap.specular))
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set_value_when_none(material_colEmissive, mat_wrap.emission_color[:3])
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set_value_when_none(material_specularPower, 0.0)
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# confirm texture
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tex_wrap = getattr(mat_wrap, "base_color_texture", None)
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@ -482,24 +513,35 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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else:
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currentTexture = textureList.index(image)
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write_int(fmaterial, 1)
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write_int(fmaterial, currentTexture)
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material_useTexture = True
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material_texture = currentTexture
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else:
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# no texture
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write_int(fmaterial, 0)
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write_int(fmaterial, 0)
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material_useTexture = False
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material_texture = 0
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else:
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# no texture
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write_int(fmaterial, 0)
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write_int(fmaterial, 0)
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material_useTexture = False
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material_texture = 0
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else:
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# no Principled BSDF. write garbage
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write_3vector(fmaterial, 0.8, 0.8, 0.8)
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write_3vector(fmaterial, 0.8, 0.8, 0.8)
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write_3vector(fmaterial, 0.8, 0.8, 0.8)
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write_int(fmaterial, 0)
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write_int(fmaterial, 0)
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set_value_when_none(material_colAmbient, (0.8, 0.8, 0.8))
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set_value_when_none(material_colDiffuse, (0.8, 0.8, 0.8))
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set_value_when_none(material_colSpecular, (0.8, 0.8, 0.8))
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set_value_when_none(material_colEmissive, (0.8, 0.8, 0.8))
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set_value_when_none(material_specularPower, 0.0)
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material_useTexture = False
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material_texture = 0
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write_color(fmaterial, material_colAmbient)
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write_color(fmaterial, material_colDiffuse)
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write_color(fmaterial, material_colSpecular)
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write_color(fmaterial, material_colEmissive)
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write_float(fmaterial, material_specularPower)
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write_bool(fmaterial, material_useTexture)
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write_uint32(fmaterial, material_texture)
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fmaterial.close()
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@ -511,8 +553,8 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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for texture in textureList:
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# write finfo first
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write_string(finfo, texture.name)
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write_int(finfo, info_bm_type.TEXTURE)
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write_long(finfo, ftexture.tell())
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write_uint32(finfo, info_bm_type.TEXTURE)
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write_uint64(finfo, ftexture.tell())
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# confirm internal
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texture_filepath = io_utils.path_reference(texture.filepath, source_dir, tempTextureFolder,
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@ -520,10 +562,10 @@ def export_bm(context,filepath,export_mode, export_target, no_component_suffix):
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filename = os.path.basename(texture_filepath)
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write_string(ftexture, filename)
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if (is_external_texture(filename)):
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write_int(ftexture, 1)
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write_bool(ftexture, True)
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else:
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# copy internal texture, if this file is copied, do not copy it again
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write_int(ftexture, 0)
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write_bool(ftexture, False)
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if filename not in existed_texture:
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shutil.copy(texture_filepath, os.path.join(tempTextureFolder, filename))
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existed_texture.add(filename)
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@ -604,6 +646,16 @@ def mesh_triangulate(me):
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bm.to_mesh(me)
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bm.free()
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def try_get_custom_property(obj, field):
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try:
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cache = obj[field]
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except:
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return None
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def set_value_when_none(obj, newValue):
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if obj == None:
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obj = newValue
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# ======================================================================================= file io assistant
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# import
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@ -654,15 +706,27 @@ def read_face(fs):
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def write_string(fs,str):
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count=len(str)
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write_int(fs,count)
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write_uint32(fs,count)
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fs.write(str.encode("utf_32_le"))
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def write_int(fs,num):
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def write_uint8(fs,num):
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fs.write(struct.pack("B", num))
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def write_uint32(fs,num):
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fs.write(struct.pack("I", num))
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def write_long(fs,num):
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def write_uint64(fs,num):
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fs.write(struct.pack("Q", num))
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def write_bool(fs,boolean):
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if boolean:
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write_uint8(fs, 1)
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else:
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write_uint8(fs, 0)
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def write_float(fs,fl):
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fs.write(struct.pack("f", fl))
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def write_worldMatrix(fs, matt):
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mat = matt.transposed()
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fs.write(struct.pack("ffffffffffffffff",
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@ -674,6 +738,9 @@ def write_worldMatrix(fs, matt):
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def write_3vector(fs, x, y ,z):
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fs.write(struct.pack("fff", x, y ,z))
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def write_color(fs, colors):
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write_3vector(fs, colors[0], colors[1], colors[2])
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def write_2vector(fs, u, v):
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fs.write(struct.pack("ff", u, v))
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