X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_mesh.py;h=1652c1a494756eec3c772718b01897297046e444;hb=1d0b0fcb7ad573053a8730a90f7fb33061038db2;hp=3f0771fe426b60ad1a59d4fbeb47f85016c5a686;hpb=fcdc70624618488c514676874006f5eddc4e63df;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_mesh.py b/blender/io_mspgl/export_mesh.py index 3f0771fe..1652c1a4 100644 --- a/blender/io_mspgl/export_mesh.py +++ b/blender/io_mspgl/export_mesh.py @@ -1,5 +1,6 @@ +import itertools import bpy -from .outfile import OutFile +import mathutils class VertexCache: def __init__(self, size): @@ -34,22 +35,23 @@ class VertexCache: class MeshExporter: def __init__(self): + self.show_progress = True self.use_strips = True - self.use_degen_tris = True + self.use_degen_tris = False self.max_strip_len = 1024 - self.optimize_cache = False + self.optimize_cache = True self.cache_size = 64 - self.export_lines = True + self.export_lines = False self.export_uv = "UNIT0" self.tbn_vecs = False self.tbn_uvtex = "" self.compound = False - self.object = False self.material_tex = False - self.textures = "REF" self.smoothing = "MSPGL" + self.export_groups = False + self.max_groups = 2 - def stripify(self, mesh, progress = None): + def stripify(self, mesh, progress=None): for f in mesh.faces: f.flag = False @@ -191,35 +193,58 @@ class MeshExporter: return strips, loose - def export(self, context, fn): + def export(self, context, out_file, objs=None, progress=None): + if objs: + objs = [(o, mathutils.Matrix()) for i in objs] + if self.compound: - objs = context.selected_objects - else: - objs = [context.active_object] + if objs is None: + objs = [(o, mathutils.Matrix()) for o in context.selected_objects] + check = objs + while check: + children = [] + for o, m in check: + for c in o.children: + if c.compound: + children.append((c, m*c.matrix_local)) + objs += children + check = children + elif objs is None: + objs = [(context.active_object, mathutils.Matrix())] if not objs: raise Exception("Nothing to export") - for o in objs: + for o, m in objs: if o.type!="MESH": raise Exception("Can only export Mesh data") from .mesh import Mesh from .util import Progress - progress = Progress() - progress.set_task("Preparing", 0.0, 0.0) + if self.show_progress: + if not progress: + progress = Progress(context) + progress.set_task("Preparing", 0.0, 0.0) + else: + progress = None mesh = None bmeshes = [] - for o in objs: + winding_test = False + for o, m in objs: + if o.data.winding_test: + winding_test = True bmesh = o.to_mesh(context.scene, True, "PREVIEW") bmeshes.append(bmesh) + me = Mesh(bmesh) + me.transform(m) if not mesh: - mesh = Mesh(bmesh) + mesh = me else: - mesh.splice(Mesh(bmesh)) + mesh.splice(me) - progress.set_task("Smoothing", 0.05, 0.35) + if progress: + progress.set_task("Smoothing", 0.05, 0.35) if self.smoothing=="NONE": mesh.flatten_faces() mesh.split_smooth(progress) @@ -227,17 +252,37 @@ class MeshExporter: if self.smoothing!="BLENDER": mesh.compute_normals() + if self.export_groups: + mesh.sort_vertex_groups(self.max_groups) + + # Create a mapping from vertex group indices to bone indices + first_obj = objs[0][0] + group_index_map = dict((i, i) for i in range(len(first_obj.vertex_groups))) + if first_obj.parent and first_obj.parent.type=="ARMATURE": + armature = first_obj.parent.data + bone_indices = dict((armature.bones[i].name, i) for i in range(len(armature.bones))) + for g in first_obj.vertex_groups: + if g.name in bone_indices: + group_index_map[g.index] = bone_indices[g.name] + if self.material_tex and mesh.materials: mesh.generate_material_uv() texunits = [] - if mesh.uv_layers and self.export_uv!="NONE": + force_unit0 = False + if mesh.uv_layers and (self.export_uv!="NONE" or self.material_tex): # Figure out which UV layers to export - if self.export_uv=="UNIT0": - if mesh.uv_layers[0].unit==0: - texunits = [0] - else: + if self.export_uv=="ALL": texunits = range(len(mesh.uv_layers)) + elif self.material_tex: + # The material UV layer is always the last one + texunits = [len(mesh.uv_layers)-1] + force_unit0 = True + else: + for i, u in enumerate(mesh.uv_layers): + if u.unit==0: + texunits = [i] + break texunits = [(i, mesh.uv_layers[i]) for i in texunits] texunits = [u for u in texunits if not u[1].hidden] @@ -251,7 +296,8 @@ class MeshExporter: texunits.insert(0, unit) for i, u in texunits: - progress.set_task("Splitting UVs", 0.35+0.3*i/len(texunits), 0.35+0.3*(i+1)/len(texunits)) + if progress: + progress.set_task("Splitting UVs", 0.35+0.3*i/len(texunits), 0.35+0.3*(i+1)/len(texunits)) mesh.split_uv(i, progress) if self.tbn_vecs and u.name==self.tbn_uvtex: mesh.compute_uv() @@ -262,48 +308,62 @@ class MeshExporter: strips = [] loose = mesh.faces if self.use_strips: - progress.set_task("Creating strips", 0.65, 0.95) + if progress: + progress.set_task("Creating strips", 0.65, 0.95) strips, loose = self.stripify(mesh, progress) - progress.set_task("Writing file", 0.95, 1.0) + if progress: + progress.set_task("Writing file", 0.95, 1.0) - out_file = OutFile(fn) - if self.object: - out_file.begin("mesh") + from .outfile import open_output + out_file = open_output(out_file) - fmt = "NORMAL3" + fmt = ["NORMAL3"] if texunits: for i, u in texunits: - if u.unit==0: - fmt += "_TEXCOORD2" + size = str(len(mesh.vertices[0].uvs[i])) + if u.unit==0 or force_unit0: + fmt.append("TEXCOORD"+size) else: - fmt += "_TEXCOORD2%d"%u.unit + fmt.append("TEXCOORD%s_%d"%(size, u.unit)) if self.tbn_vecs: - fmt += "_ATTRIB33_ATTRIB34" - fmt += "_VERTEX3" - out_file.begin("vertices", fmt) + fmt += ["TANGENT3", "BINORMAL3"] + if self.export_groups: + fmt.append("ATTRIB%d_5"%(self.max_groups*2)) + fmt.append("VERTEX3") + out_file.begin("vertices", *fmt) normal = None - uvs = [None]*len(texunits) + uvs = {} tan = None bino = None + group = None for v in mesh.vertices: if v.normal!=normal: out_file.write("normal3", *v.normal) normal = v.normal for i, u in texunits: - if v.uvs[i]!=uvs[i]: - if u.unit==0: - out_file.write("texcoord2", *v.uvs[i]) + if v.uvs[i]!=uvs.get(i): + size = str(len(v.uvs[i])) + if u.unit==0 or force_unit0: + out_file.write("texcoord"+size, *v.uvs[i]) else: - out_file.write("multitexcoord2", u.unit, *v.uvs[i]) + out_file.write("multitexcoord"+size, u.unit, *v.uvs[i]) uvs[i] = v.uvs[i] if self.tbn_vecs: if v.tan!=tan: - out_file.write("attrib3", 3, *v.tan) + out_file.write("tangent3", *v.tan) tan = v.tan if v.bino!=bino: - out_file.write("attrib3", 4, *v.bino) + out_file.write("binormal3", *v.bino) bino = v.bino + if self.export_groups: + group_attr = [(group_index_map[g.group], g.weight*v.group_weight_scale) for g in v.groups[:self.max_groups]] + while len(group_attr)