diff options
| -rw-r--r-- | io_scene_obj/__init__.py | 2 | ||||
| -rw-r--r-- | io_scene_obj/export_obj.py | 22 |
2 files changed, 21 insertions, 3 deletions
diff --git a/io_scene_obj/__init__.py b/io_scene_obj/__init__.py index 1d778e31..17ef0f48 100644 --- a/io_scene_obj/__init__.py +++ b/io_scene_obj/__init__.py @@ -21,7 +21,7 @@ bl_info = { "name": "Wavefront OBJ format", "author": "Campbell Barton, Bastien Montagne", - "version": (2, 1, 0), + "version": (2, 1, 1), "blender": (2, 74, 0), "location": "File > Import-Export", "description": "Import-Export OBJ, Import OBJ mesh, UV's, " diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py index 22410568..e7d646b0 100644 --- a/io_scene_obj/export_obj.py +++ b/io_scene_obj/export_obj.py @@ -73,6 +73,8 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): fw('\nnewmtl %s\n' % mtl_mat_name) # Define a new material: matname_imgname if mat: + use_mirror = mat.raytrace_mirror.use and mat.raytrace_mirror.reflect_factor != 0.0 + # convert from blenders spec to 0 - 1000 range. if mat.specular_shader == 'WARDISO': tspec = (0.4 - mat.specular_slope) / 0.0004 @@ -81,7 +83,10 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): fw('Ns %.6f\n' % tspec) del tspec - fw('Ka %.6f %.6f %.6f\n' % (mat.ambient * world_amb)[:]) # Ambient, uses mirror color, + if use_mirror: + fw('Ka %.6f %.6f %.6f\n' % (mat.raytrace_mirror.reflect_factor * mat.mirror_color)[:]) + else: + fw('Ka %.6f %.6f %.6f\n' % (mat.ambient * world_amb)[:]) # Ambient, uses mirror 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 if hasattr(mat, "raytrace_transparency") and hasattr(mat.raytrace_transparency, "ior"): @@ -90,11 +95,24 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): fw('Ni %.6f\n' % 1.0) fw('d %.6f\n' % mat.alpha) # Alpha (obj uses 'd' for dissolve) - # 0 to disable lighting, 1 for ambient & diffuse only (specular color set to black), 2 for full lighting. + # See http://en.wikipedia.org/wiki/Wavefront_.obj_file for whole list of values... + # Note that mapping is rather fuzzy sometimes, trying to do our best here. if mat.use_shadeless: fw('illum 0\n') # ignore lighting elif mat.specular_intensity == 0: fw('illum 1\n') # no specular. + elif use_mirror: + if mat.use_transparency and mat.transparency_method == 'RAYTRACE': + if mat.raytrace_mirror.fresnel != 0.0: + fw('illum 7\n') # Reflection, Transparency, Ray trace and Fresnel + else: + fw('illum 6\n') # Reflection, Transparency, Ray trace + elif mat.raytrace_mirror.fresnel != 0.0: + fw('illum 5\n') # Reflection, Ray trace and Fresnel + else: + fw('illum 3\n') # Reflection and Ray trace + elif mat.use_transparency and mat.transparency_method == 'RAYTRACE': + fw('illum 9\n') # 'Glass' transparency and no Ray trace reflection... fuzzy matching, but... else: fw('illum 2\n') # light normaly |