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| author | Bastien Montagne <montagne29@wanadoo.fr> | 2015-08-13 13:04:04 +0300 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2015-08-13 13:04:04 +0300 |
| commit | 94c9c4ee3370d1feb42fc978a1f0d2db07cb9431 (patch) | |
| tree | b1743b240253ba2d2c4b75ab3b225b6e86568956 /io_scene_obj/export_obj.py | |
| parent | 4c142e59206b8c751c3b80e3632b6c82476a26b3 (diff) | |
Fix T45766: Exported OBJ/MTL files do not include emissive lighting parameters.
ke/map_ke are not official .mtl specs, but seem to be rather common extension.
map_ke was added three years ago to exporter only, this commit finishes the work
by adding ke/map_ke to importer, and ke to exporter.
NOTES:
* mtl ke is a color, while in Blender emit is only a factor, using diffuse color.
this implies there is some loss of data during import here.
* I do not have the slightest idea about the range for ke values, so for now assuming
a direct matching of Blender's emit value.
Diffstat (limited to 'io_scene_obj/export_obj.py')
| -rw-r--r-- | io_scene_obj/export_obj.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py index 7399c2e1..e458f2d7 100644 --- a/io_scene_obj/export_obj.py +++ b/io_scene_obj/export_obj.py @@ -90,6 +90,9 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): fw('Ka %.6f %.6f %.6f\n' % (mat.ambient, mat.ambient, mat.ambient)) # Do not use world color! fw('Kd %.6f %.6f %.6f\n' % (mat.diffuse_intensity * mat.diffuse_color)[:]) # Diffuse fw('Ks %.6f %.6f %.6f\n' % (mat.specular_intensity * mat.specular_color)[:]) # Specular + # Emission, not in original MTL standard but seems pretty common, see T45766. + # XXX Blender has no color emission, it's using diffuse color instead... + fw('Ke %.6f %.6f %.6f\n' % (mat.emit * mat.diffuse_color)[:]) if hasattr(mat, "raytrace_transparency") and hasattr(mat.raytrace_transparency, "ior"): fw('Ni %.6f\n' % mat.raytrace_transparency.ior) # Refraction index else: |