[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [1986] trunk/py/scripts/addons/ io_scene_x3d: correct support for IndexedTriangleSet with vertex colors and UV's.
Campbell Barton
ideasman42 at gmail.com
Mon May 30 09:34:58 CEST 2011
Revision: 1986
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-extensions&revision=1986
Author: campbellbarton
Date: 2011-05-30 07:34:58 +0000 (Mon, 30 May 2011)
Log Message:
-----------
correct support for IndexedTriangleSet with vertex colors and UV's.
Modified Paths:
--------------
trunk/py/scripts/addons/io_scene_x3d/__init__.py
trunk/py/scripts/addons/io_scene_x3d/export_x3d.py
Modified: trunk/py/scripts/addons/io_scene_x3d/__init__.py
===================================================================
--- trunk/py/scripts/addons/io_scene_x3d/__init__.py 2011-05-30 03:29:36 UTC (rev 1985)
+++ trunk/py/scripts/addons/io_scene_x3d/__init__.py 2011-05-30 07:34:58 UTC (rev 1986)
@@ -96,7 +96,7 @@
use_selection = BoolProperty(name="Selection Only", description="Export selected objects only", default=False)
use_apply_modifiers = BoolProperty(name="Apply Modifiers", description="Use transformed mesh data from each object", default=True)
- use_triangulate = BoolProperty(name="Triangulate", description="Write quads into 'IndexedTriangleSet'", default=False)
+ use_triangulate = BoolProperty(name="Triangulate", description="Write quads into 'IndexedTriangleSet'", default=True)
use_compress = BoolProperty(name="Compress", description="GZip the resulting file, requires a full python install", default=False)
axis_forward = EnumProperty(
Modified: trunk/py/scripts/addons/io_scene_x3d/export_x3d.py
===================================================================
--- trunk/py/scripts/addons/io_scene_x3d/export_x3d.py 2011-05-30 03:29:36 UTC (rev 1985)
+++ trunk/py/scripts/addons/io_scene_x3d/export_x3d.py 2011-05-30 07:34:58 UTC (rev 1986)
@@ -341,8 +341,10 @@
mesh_materials_use_face_texture = [getattr(material, "use_face_texture", True) for material in mesh_materials]
+ # fast access!
mesh_faces = mesh.faces[:]
mesh_faces_materials = [f.material_index for f in mesh_faces]
+ mesh_faces_vertices = [f.vertices[:] for f in mesh_faces]
if is_uv and True in mesh_materials_use_face_texture:
mesh_faces_image = [(fuv.image if (mesh_materials_use_face_texture[mesh_faces_materials[i]] and fuv.use_image) else mesh_material_images[mesh_faces_materials[i]]) for i, fuv in enumerate(mesh.uv_textures.active.data)]
@@ -423,125 +425,192 @@
ident = ident[:-1]
fw("%s</Appearance>\n" % ident)
+ mesh_faces_col = mesh.vertex_colors.active.data if is_col else None
+ mesh_faces_uv = mesh.uv_textures.active.data if is_uv else None
+
#-- IndexedFaceSet or IndexedLineSet
if EXPORT_TRI:
fw("%s<IndexedTriangleSet " % ident)
+ ident += "\t"
+
+ # --- Write IndexedTriangleSet Attributes (same as IndexedFaceSet)
+ fw("solid=\"%s\" " % ("true" if mesh.show_double_sided else "false"))
+ if is_smooth:
+ fw("creaseAngle=\"%.4g\" " % mesh.auto_smooth_angle)
+
+ slot_uv = None
+ slot_col = None
+
+ if is_uv and is_col:
+ slot_uv = 0
+ slot_col = 1
+
+ def vertex_key(fidx, f_cnr_idx):
+ return (
+ mesh_faces_uv[fidx].uv[f_cnr_idx][:],
+ getattr(mesh_faces_col[fidx], "color%d" % (f_cnr_idx + 1))[:],
+ )
+ elif is_uv:
+ slot_uv = 0
+
+ def vertex_key(fidx, f_cnr_idx):
+ return (
+ mesh_faces_uv[fidx].uv[f_cnr_idx].to_tuple(4),
+ )
+ elif is_col:
+ slot_col = 0
+
+ def vertex_key(fidx, f_cnr_idx):
+ return (
+ getattr(mesh_faces_col[fidx], "color%d" % (f_cnr_idx))[:],
+ )
+ else:
+ # ack, not especially efficient in this case
+ def vertex_key(fidx, f_cnr_idx):
+ return None
+
+ # build a mesh mapping dict
+ vertex_hash = [{} for i in range(len(mesh.vertices))]
+ # worst case every face is a quad
+ face_tri_list = [[None, None, None] for i in range(len(mesh.faces) * 2)]
+ vert_tri_list = []
+ totvert = 0
+ totface = 0
+ temp_face = [None] * 4
+ for i in face_group:
+ fv = mesh_faces_vertices[i]
+ for j, v_idx in enumerate(fv):
+ key = vertex_key(i, j)
+ vh = vertex_hash[v_idx]
+ x3d_v = vh.get(key)
+ if x3d_v is None:
+ x3d_v = key, v_idx, totvert
+ vh[key] = x3d_v
+ # key / original_vertex / new_vertex
+ vert_tri_list.append(x3d_v)
+ totvert += 1
+ temp_face[j] = x3d_v
+
+ if len(fv) == 4:
+ f_iter = ((0, 1, 2), (0, 2, 3))
+ else:
+ f_iter = ((0, 1, 2), )
+
+ for f_it in f_iter:
+ # loop over a quad as 2 tris
+ f_tri = face_tri_list[totface]
+ for ji, j in enumerate(f_it):
+ f_tri[ji] = temp_face[j]
+ # quads run this twice
+ totface += 1
+
+ # clear unused faces
+ face_tri_list[totface:] = []
+
+ fw("index=\"")
+ for x3d_f in face_tri_list:
+ fw("%i %i %i " % (x3d_f[0][2], x3d_f[1][2], x3d_f[2][2]))
+ fw("\" ")
+
+ # close IndexedTriangleSet
+ fw(">\n")
+
+ fw("%s<Coordinate " % ident)
+ fw("point=\"")
+ mesh_vertices = mesh.vertices
+ for x3d_v in vert_tri_list:
+ fw("%.6g %.6g %.6g, " % mesh_vertices[x3d_v[1]].co[:])
+ fw("\" />\n")
+
+ if is_uv:
+ fw("%s<TextureCoordinate point=\"" % ident)
+ for x3d_v in vert_tri_list:
+ fw("%.4g %.4g, " % x3d_v[0][slot_uv])
+ fw("\" />\n")
+
+ if is_col:
+ fw("%s<Color color=\"" % ident)
+ for x3d_v in vert_tri_list:
+ fw("%.3g %.3g %.3g, " % x3d_v[0][slot_col])
+ fw("\" />\n")
+
+ fw("%s</IndexedTriangleSet>\n" % ident)
+
else:
fw("%s<IndexedFaceSet " % ident)
- ident += "\t"
+ ident += "\t"
- # --- Write IndexedFaceSet Attributes
- if mesh.show_double_sided:
- fw("solid=\"true\" ")
- else:
- fw("solid=\"false\" ")
+ # --- Write IndexedFaceSet Attributes (same as IndexedTriangleSet)
+ fw("solid=\"%s\" " % ("true" if mesh.show_double_sided else "false"))
+ if is_smooth:
+ fw("creaseAngle=\"%.4g\" " % mesh.auto_smooth_angle)
- if is_smooth:
- fw("creaseAngle=\"%.4g\" " % mesh.auto_smooth_angle)
+ # IndexedTriangleSet assumes true
+ if is_col:
+ fw("colorPerVertex=\"false\" ")
- if is_uv:
- if EXPORT_TRI:
- fw("texIndex=\"")
- else:
+ # for IndexedTriangleSet we use a uv per vertex so this isnt needed.
+ if is_uv:
fw("texCoordIndex=\"")
- j = 0
- if EXPORT_TRI:
+ j = 0
for i in face_group:
- if len(mesh_faces[i].vertices) == 4:
- fw("%d %d %d " % (j, j + 1, j + 2))
- fw("%d %d %d " % (j, j + 2, j + 3))
- j += 4
- else:
- fw("%d %d %d " % (j, j + 1, j + 2))
- j += 3
- else:
- for i in face_group:
- if len(mesh_faces[i].vertices) == 4:
+ if len(mesh_faces_vertices[i]) == 4:
fw("%d %d %d %d -1, " % (j, j + 1, j + 2, j + 3))
j += 4
else:
fw("%d %d %d -1, " % (j, j + 1, j + 2))
j += 3
- fw("\" ")
- # --- end texCoordIndex
+ fw("\" ")
+ # --- end texCoordIndex
- if is_col:
- fw("colorPerVertex=\"false\" ")
-
- if True:
- # "coordIndex"
- if EXPORT_TRI:
- fw("index=\"")
- else:
+ if True:
fw("coordIndex=\"")
-
- if EXPORT_TRI:
for i in face_group:
- fv = mesh_faces[i].vertices[:]
+ fv = mesh_faces_vertices[i]
@@ Diff output truncated at 10240 characters. @@
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