X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fmesh.py;h=3b1c74dfbec9675403226a3435fed354ffed7ef8;hp=8009191f080a045468c36908cee738a988e562e4;hb=74a5bc6159d2c753786a5ef6bf785263cd0538f1;hpb=160293feec7b0b976856685153cd24c7f1ce9492 diff --git a/blender/io_mspgl/mesh.py b/blender/io_mspgl/mesh.py index 8009191f..3b1c74df 100644 --- a/blender/io_mspgl/mesh.py +++ b/blender/io_mspgl/mesh.py @@ -1,4 +1,3 @@ -import bpy import math import mathutils import itertools @@ -155,7 +154,6 @@ class Mesh: def __init__(self, mesh): self.name = mesh.name - self.winding_test = mesh.winding_test self.smoothing = mesh.smoothing self.use_uv = mesh.use_uv self.tangent_uvtex = mesh.tangent_uvtex @@ -181,7 +179,7 @@ class Mesh: if mesh.use_uv=='NONE' or not mesh.uv_layers: self.uv_layers = [] else: - self.uv_layers = [UvLayer(u) for u in mesh.uv_layers] + self.uv_layers = [UvLayer(u) for u in mesh.uv_layers if u.data] # Assign texture unit numbers to UV layers that lack one missing_unit = [u for u in self.uv_layers if u.unit is None] @@ -193,7 +191,7 @@ class Mesh: self.uv_layers = sorted(self.uv_layers, key=(lambda u: u.unit)) - if mesh.use_uv=='UNIT0': + if mesh.use_uv=='UNIT0' and self.uv_layers: self.uv_layers = [self.uv_layers[0]] if self.uv_layers[0].unit!=0: self.uv_layers = [] @@ -305,7 +303,7 @@ class Mesh: self.lines += other.lines - def prepare_triangles(self, progress): + def prepare_triangles(self, task): face_count = len(self.faces) for i in range(face_count): f = self.faces[i] @@ -365,9 +363,9 @@ class Mesh: f.normal = normals[1-cut_index] nf.normal = normals[3-cut_index] - progress.set_progress(i/face_count) + task.set_progress(i/face_count) - def prepare_smoothing(self, progress): + def prepare_smoothing(self, task): smooth_limit = -1 if self.smoothing=='NONE': for f in self.faces: @@ -380,14 +378,12 @@ class Mesh: for e in self.edges: e.check_smooth(smooth_limit) - progress.push_task("Sharp edges", 0.0, 0.7) - self.split_vertices(self.find_smooth_group, progress) + subtask = task.task("Sharp edges", 0.7) + self.split_vertices(self.find_smooth_group, subtask) if self.smoothing!='BLENDER': - progress.set_task("Updating normals", 0.7, 1.0) - self.compute_normals(progress) - - progress.pop_task() + subtask = task.task("Updating normals", 1.0) + self.compute_normals(subtask) def prepare_vertex_groups(self, obj): if not self.vertex_groups: @@ -439,7 +435,7 @@ class Mesh: for i in f.loop_indices: layer.uvs[i] = uv - def prepare_uv(self, progress): + def prepare_uv(self, task): # Form a list of UV layers referenced by materials with the array atlas # property set array_uv_layers = [] #[t.uv_layer for m in self.materials if m.array_atlas for t in m.texture_slots if t and t.texture_coords=='UV'] @@ -457,9 +453,6 @@ class Mesh: for i in f.loop_indices: l.uvs[i] = mathutils.Vector((*l.uvs[i], layer)) - prog_count = len(self.uv_layers) - prog_step = 0 - # Split by the UV layer used for tangent vectors first so connectivity # remains intact for tangent vector computation tangent_layer_index = -1 @@ -471,26 +464,27 @@ class Mesh: elif self.uv_layers[0].unit==0: tangent_layer_index = 0 - if tangent_layer_index>=0: - prog_count += 1 - progress.push_task_slice("Computing tangents", 0, prog_count) - self.split_vertices(self.find_uv_group, progress, tangent_layer_index) - progress.set_task_slice(self.tangent_uvtex, 1, prog_count) - self.compute_tangents(tangent_layer_index, progress) - progress.pop_task() - prog_step = 2 - else: + if tangent_layer_index<0: raise Exception("Invalid configuration on mesh {}: No tangent UV layer".format(self.name)) + prog_count = len(self.uv_layers) + if tangent_layer_index>=0: + prog_count += 1 + task.set_slices(prog_count) + + if tangent_layer_index>=0: + subtask = task.next_slice("Computing tangents") + self.split_vertices(self.find_uv_group, subtask, tangent_layer_index) + subtask = task.next_slice(self.tangent_uvtex) + self.compute_tangents(tangent_layer_index, subtask) + # Split by the remaining UV layers for i, u in enumerate(self.uv_layers): if i==tangent_layer_index: continue - progress.push_task_slice(u.name, prog_step, prog_count) - self.split_vertices(self.find_uv_group, progress, i) - progress.pop_task() - prog_step += 1 + subtask = task.next_slice(u.name) + self.split_vertices(self.find_uv_group, subtask, i) # Copy UVs from layers to vertices for v in self.vertices: @@ -502,11 +496,11 @@ class Mesh: else: v.uvs = [(0.0, 0.0)]*len(self.uv_layers) - def prepare_colors(self, progress): + def prepare_colors(self, task): if not self.colors: return - self.split_vertices(self.find_color_group, progress) + self.split_vertices(self.find_color_group, task) for v in self.vertices: if v.faces: @@ -515,7 +509,7 @@ class Mesh: else: v.color = (1.0, 1.0, 1.0, 1.0) - def split_vertices(self, find_group_func, progress, *args): + def split_vertices(self, find_group_func, task, *args): vertex_count = len(self.vertices) for i in range(vertex_count): v = self.vertices[i] @@ -567,7 +561,7 @@ class Mesh: f.vertices[f.vertices.index(v)] = nv nv.faces.append(f) - progress.set_progress(i/vertex_count) + task.set_progress(i/vertex_count) def find_smooth_group(self, vertex, face): face.flag = True @@ -613,7 +607,7 @@ class Mesh: return group - def compute_normals(self, progress): + def compute_normals(self, task): for i, v in enumerate(self.vertices): v.normal = mathutils.Vector() for f in v.faces: @@ -631,9 +625,9 @@ class Mesh: else: v.normal = mathutils.Vector((0, 0, 1)) - progress.set_progress(i/len(self.vertices)) + task.set_progress(i/len(self.vertices)) - def compute_tangents(self, index, progress): + def compute_tangents(self, index, task): layer_uvs = self.uv_layers[index].uvs for i, v in enumerate(self.vertices): @@ -657,13 +651,13 @@ class Mesh: if v.tan.length: v.tan.normalize() - progress.set_progress(i/len(self.vertices)) + task.set_progress(i/len(self.vertices)) - def prepare_sequence(self, progress): - progress.push_task("Reordering faces", 0.0, 0.5) - self.reorder_faces(progress) + def prepare_sequence(self, task): + subtask = task.task("Reordering faces", 0.5) + self.reorder_faces(subtask) - progress.set_task("Building sequence", 0.5, 1.0) + subtask = task.task("Building sequence", 1.0) sequence = None for i, f in enumerate(self.faces): if sequence: @@ -690,13 +684,11 @@ class Mesh: sequence = f.vertices[:] self.vertex_sequence.append(sequence) - progress.set_progress(i/len(self.faces)) - - progress.pop_task() + subtask.set_progress(i/len(self.faces)) self.reorder_vertices() - def reorder_faces(self, progress): + def reorder_faces(self, task): # Tom Forsyth's vertex cache optimization algorithm # http://eelpi.gotdns.org/papers/fast_vert_cache_opt.html @@ -714,7 +706,8 @@ class Mesh: # Keep track of the score and number of unused faces for each vertex vertex_info = [[0, len(v.faces)] for v in self.vertices] for vi in vertex_info: - vi[0] = valence_boost_scale*(vi[1]**valence_boost_power) + if vi[1]: + vi[0] = valence_boost_scale*(vi[1]**valence_boost_power) face = None reordered_faces = [] @@ -772,7 +765,7 @@ class Mesh: del cached_vertices[max_cache_size:] n_processed += 1 - progress.set_progress(n_processed/len(self.faces)) + task.set_progress(n_processed/len(self.faces)) self.faces = reordered_faces for i, f in enumerate(self.faces): @@ -789,17 +782,22 @@ class Mesh: v.index = len(reordered_vertices) reordered_vertices.append(v) + for v in self.vertices: + if v.index<0: + v.index = len(reordered_vertices) + reordered_vertices.append(v) + self.vertices = reordered_vertices for e in self.edges: e.key = make_edge_key(e.vertices[0].index, e.vertices[1].index) -def create_mesh_from_object(context, obj, material_atlas, progress): +def create_mesh_from_object(ctx, obj, material_atlas): if obj.type!="MESH": raise Exception("Object {} is not a mesh".format(obj.name)) - progress.push_task("Preparing mesh", 0.0, 0.2) + task = ctx.task("Collecting mesh data", 0.2) objs = [(obj, mathutils.Matrix())] i = 0 @@ -810,7 +808,7 @@ def create_mesh_from_object(context, obj, material_atlas, progress): if c.type=="MESH" and c.compound: objs.append((c, m*c.matrix_local)) - dg = context.evaluated_depsgraph_get() + dg = ctx.context.evaluated_depsgraph_get() mesh = None for o, m in objs: @@ -818,7 +816,6 @@ def create_mesh_from_object(context, obj, material_atlas, progress): bmesh = eval_obj.to_mesh() # Object.to_mesh does not copy custom properties - bmesh.winding_test = o.data.winding_test bmesh.smoothing = o.data.smoothing bmesh.use_lines = o.data.use_lines bmesh.vertex_groups = o.data.vertex_groups @@ -844,19 +841,17 @@ def create_mesh_from_object(context, obj, material_atlas, progress): if material_atlas: mesh.apply_material_atlas(material_atlas) - progress.set_task("Triangulating", 0.2, 0.3) - mesh.prepare_triangles(progress) - progress.set_task("Smoothing", 0.3, 0.5) - mesh.prepare_smoothing(progress) - progress.set_task("Vertex groups", 0.5, 0.6) + task = ctx.task("Triangulating", 0.3) + mesh.prepare_triangles(task) + task = ctx.task("Smoothing", 0.5) + mesh.prepare_smoothing(task) + task = ctx.task("Vertex groups", 0.6) mesh.prepare_vertex_groups(obj) - progress.set_task("Preparing UVs", 0.6, 0.75) - mesh.prepare_uv(progress) - progress.set_task("Preparing vertex colors", 0.75, 0.85) - mesh.prepare_colors(progress) - progress.set_task("Render sequence", 0.85, 1.0) - mesh.prepare_sequence(progress) - - progress.pop_task() + task = ctx.task("Preparing UVs", 0.75) + mesh.prepare_uv(task) + task = ctx.task("Preparing vertex colors", 0.85) + mesh.prepare_colors(task) + task = ctx.task("Render sequence", 1.0) + mesh.prepare_sequence(task) return mesh