self.show_progress = True
self.use_strips = True
self.use_degen_tris = False
- self.material_tex = False
def join_strips(self, strips):
big_strip = []
return big_strip
- def export(self, context, out_file, obj=None, progress=None):
- if obj is None:
- obj = context.active_object
+ def export_to_file(self, context, out_fn):
+ obj = context.active_object
- from .mesh import create_mesh_from_object
from .util import Progress
- if not progress:
- progress = Progress(self.show_progress and context)
- progress.push_task("", 0.0, 0.9)
+ progress = Progress(self.show_progress and context)
+ progress.push_task("", 0.0, 0.95)
+ resource = self.export_mesh(context, obj, progress)
- mesh = create_mesh_from_object(context, obj, progress)
+ with open(out_fn, "w") as out_file:
+ for s in resource.statements:
+ s.write_to_file(out_file)
- strips = []
- loose = mesh.faces
- if self.use_strips:
- strips = mesh.vertex_sequence
- if self.use_degen_tris:
- strips = [self.join_strips(strips)]
- loose = []
+ def export_mesh(self, context, mesh_or_obj, progress):
+ from .mesh import Mesh, create_mesh_from_object
- progress.set_task("Writing file", 0.9, 1.0)
+ if type(mesh_or_obj)==Mesh:
+ mesh = mesh_or_obj
+ else:
+ progress.push_task("", 0.0, 0.9)
+ mesh = create_mesh_from_object(context, mesh_or_obj, progress)
+ progress.pop_task()
- from .outfile import open_output
- out_file = open_output(out_file)
+ from .datafile import Resource, Statement, Token
+ resource = Resource(mesh.name+".mesh")
+ statements = resource.statements
- fmt = ["NORMAL3"]
+ st = Statement("vertices", Token("NORMAL3"))
if mesh.uv_layers:
for u in mesh.uv_layers:
size = str(len(u.uvs[0]))
if u.unit==0:
- fmt.append("TEXCOORD"+size)
+ st.append(Token("TEXCOORD"+size))
else:
- fmt.append("TEXCOORD%s_%d"%(size, u.unit))
+ st.append(Token("TEXCOORD{}_{}".format(size, u.unit)))
if mesh.tbn_vecs:
- fmt += ["TANGENT3", "BINORMAL3"]
+ st.append(Token("TANGENT3"))
+ st.append(Token("BINORMAL3"))
if mesh.vertex_groups:
- fmt.append("ATTRIB%d_5"%(mesh.max_groups_per_vertex*2))
- fmt.append("VERTEX3")
- out_file.begin("vertices", *fmt)
+ st.append(Token("ATTRIB{}_5".format(mesh.max_groups_per_vertex*2)))
+ st.append(Token("VERTEX3"))
+
normal = None
- uvs = {}
+ uvs = [None]*len(mesh.uv_layers)
tan = None
bino = None
group = None
for v in mesh.vertices:
if v.normal!=normal:
- out_file.write("normal3", *v.normal)
+ st.sub.append(Statement("normal", *v.normal))
normal = v.normal
for i, u in enumerate(mesh.uv_layers):
- if v.uvs[i]!=uvs.get(i):
- size = str(len(v.uvs[i]))
+ if v.uvs[i]!=uvs[i]:
if u.unit==0:
- out_file.write("texcoord"+size, *v.uvs[i])
+ st.sub.append(Statement("texcoord", *v.uvs[i]))
else:
- out_file.write("multitexcoord"+size, u.unit, *v.uvs[i])
+ st.sub.append(Statement("multitexcoord", u.unit, *v.uvs[i]))
uvs[i] = v.uvs[i]
if mesh.tbn_vecs:
if v.tan!=tan:
- out_file.write("tangent3", *v.tan)
+ st.sub.append(Statement("tangent", *v.tan))
tan = v.tan
if v.bino!=bino:
- out_file.write("binormal3", *v.bino)
+ st.sub.append(Statement("binormal", *v.bino))
bino = v.bino
if mesh.vertex_groups:
group_attr = [(group_index_map[g.group], g.weight*v.group_weight_scale) for g in v.groups[:mesh.max_groups_per_vertex]]
group_attr.append((0, 0.0))
group_attr = list(itertools.chain(*group_attr))
if group_attr!=group:
- out_file.write("attrib%d"%len(group_attr), 5, *group_attr)
+ st.sub.append(Statement("attrib", 5, *group_attr))
group = group_attr
- out_file.write("vertex3", *v.co)
- out_file.end()
- for s in strips:
- out_file.begin("batch", "TRIANGLE_STRIP")
- indices = []
- n = 0
- for v in s:
- indices.append(v.index)
- if len(indices)>=32:
- out_file.write("indices", *indices)
- indices = []
- if indices:
- out_file.write("indices", *indices)
- out_file.end()
-
- if loose:
- out_file.begin("batch", "TRIANGLES")
- for f in loose:
- for i in range(2, len(f.vertices)):
- out_file.write("indices", f.vertices[0].index, f.vertices[i-1].index, f.vertices[i].index)
- out_file.end()
+ st.sub.append(Statement("vertex", *v.co))
+
+ statements.append(st)
+
+ if self.use_strips:
+ strips = mesh.vertex_sequence
+ if self.use_degen_tris:
+ strips = [self.join_strips(strips)]
+
+ for s in strips:
+ st = Statement("batch", Token("TRIANGLE_STRIP"))
+ for i in range(0, len(s), 32):
+ st.sub.append(Statement("indices", *(v.index for v in s[i:i+32])))
+ statements.append(st)
+ else:
+ st = Statement("batch", Token('TRIANGLES'))
+ for f in mesh.faces:
+ st.sub.append(Statement("indices", *(v.index for v in f.vertices)))
+ statements.append(st)
if mesh.lines:
- out_file.begin("batch", "LINES")
+ st = Statement("batch", Token('LINES'))
for l in mesh.lines:
- out_file.write("indices", l.vertices[0].index, l.vertices[1].index)
- out_file.end()
+ st.sub.append(Statement("indices", *(v.index for v in l.vertices)))
+ statements.append(st)
if mesh.winding_test:
- out_file.write("winding", "COUNTERCLOCKWISE")
+ statements.append(Statement("winding", Token('COUNTERCLOCKWISE')))
- progress.pop_task()
+ progress.set_progress(1.0)
- return mesh
+ return resource
projects / libs / gl.git / blobdiff