glTF: fix vertex color import + export option tweaks

io_scene_gltf2/__init__.py

@@ -94,13 +94,6 @@ class ExportGLTF2_Base:
         default=False
     )
 
-    export_strip: BoolProperty(
-        name='Strip Whitespace',
-        description='Makes JSON portion of export more compact, but harder to' \
-            ' read and edit by hand',
-        default=False
-    )
-
     export_indices: EnumProperty(
         name='Maximum Indices Type',
         items=(('UNSIGNED_BYTE', 'Unsigned Byte', ''),
@@ -132,7 +125,7 @@ class ExportGLTF2_Base:
     export_tangents: BoolProperty(
         name='Tangents',
         description='Export vertex tangents with meshes',
-        default=True
+        default=False
     )
 
     export_materials: BoolProperty(
@@ -153,13 +146,6 @@ class ExportGLTF2_Base:
         default=False
     )
 
-    export_camera_infinite: BoolProperty(
-        name='Infinite Perspective',
-        description='Sets perspective cameras to use infinite perspective' \
-            ' projections',
-        default=False
-    )
-
     export_selected: BoolProperty(
         name='Selected Objects',
         description='Export selected objects only',
@@ -262,7 +248,7 @@ class ExportGLTF2_Base:
     export_morph_tangent: BoolProperty(
         name='Shape Key Tangents',
         description='Export vertex tangents with shape keys (morph targets)',
-        default=True
+        default=False
     )
 
     export_lights: BoolProperty(
@@ -335,7 +321,6 @@ class ExportGLTF2_Base:
         export_settings['gltf_copyright'] = self.export_copyright
         export_settings['gltf_embed_buffers'] = self.export_embed_buffers
         export_settings['gltf_embed_images'] = self.export_embed_images
-        export_settings['gltf_strip'] = self.export_strip
         export_settings['gltf_indices'] = self.export_indices
         export_settings['gltf_force_indices'] = self.export_force_indices
         export_settings['gltf_texcoords'] = self.export_texcoords
@@ -344,10 +329,6 @@ class ExportGLTF2_Base:
         export_settings['gltf_materials'] = self.export_materials
         export_settings['gltf_colors'] = self.export_colors
         export_settings['gltf_cameras'] = self.export_cameras
-        if self.export_cameras:
-            export_settings['gltf_camera_infinite'] = self.export_camera_infinite
-        else:
-            export_settings['gltf_camera_infinite'] = False
         export_settings['gltf_selected'] = self.export_selected
         export_settings['gltf_layers'] = True #self.export_layers
         export_settings['gltf_extras'] = self.export_extras
@@ -402,7 +383,6 @@ class ExportGLTF2_Base:
         if self.export_format == 'ASCII':
             col.prop(self, 'export_embed_buffers')
             col.prop(self, 'export_embed_images')
-            col.prop(self, 'export_strip')
 
         col = layout.box().column()
         col.label(text='Nodes:')  # , icon='OOPS')
@@ -428,8 +408,6 @@ class ExportGLTF2_Base:
         col = layout.box().column()
         col.label(text='Objects:')  # , icon='OBJECT_DATA')
         col.prop(self, 'export_cameras')
-        if self.export_cameras:
-            col.prop(self, 'export_camera_infinite')
 
         col = layout.box().column()
         col.label(text='Materials:')  # , icon='MATERIAL_DATA')

io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py

@@ -40,7 +40,6 @@ BINARY_FILENAME = 'gltf_binaryfilename'
 YUP = 'gltf_yup'
 MORPH = 'gltf_morph'
 INDICES = 'gltf_indices'
-CAMERA_INFINITE = 'gltf_camera_infinite'
 BAKE_SKINS = 'gltf_bake_skins'
 TEX_COORDS = 'gltf_texcoords'
 COLORS = 'gltf_colors'

io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py

@@ -106,9 +106,7 @@ def __gather_perspective(blender_object, export_settings):
                 perspective.yfov = 2.0 * math.atan(math.tan(blender_camera.angle * 0.5) / perspective.aspectRatio)
 
         perspective.znear = blender_camera.clip_start
-
-        if not export_settings[gltf2_blender_export_keys.CAMERA_INFINITE]:
-            perspective.zfar = blender_camera.clip_end
+        perspective.zfar = blender_camera.clip_end
 
         return perspective
     return None

io_scene_gltf2/blender/imp/gltf2_blender_mesh.py

@@ -143,7 +143,7 @@ class BlenderMesh():
             if 'COLOR_0' in prim.attributes.keys():
                 # Create vertex color, once only per object
                 if vertex_color is None:
-                    vertex_color = obj.data.vertex_colors.new("COLOR_0")
+                    vertex_color = obj.data.vertex_colors.new(name="COLOR_0")
 
                 color_data = BinaryData.get_data_from_accessor(gltf, prim.attributes['COLOR_0'])
 
@@ -152,7 +152,11 @@ class BlenderMesh():
                         vert_idx = mesh.loops[loop_idx].vertex_index
                         if vert_idx in range(offset, offset + prim.vertices_length):
                             cpt_idx = vert_idx - offset
-                            vertex_color.data[loop_idx].color = color_data[cpt_idx][0:3]
-                            # TODO : no alpha in vertex color
+                            # check dimension, and add alpha if needed
+                            if len(color_data[cpt_idx]) == 3:
+                                vertex_color_data = color_data[cpt_idx] + (1.0,)
+                            else:
+                                vertex_color_data = color_data[cpt_idx]
+                            vertex_color.data[loop_idx].color = vertex_color_data
             offset = offset + prim.vertices_length
 

io_scene_gltf2/io/exp/gltf2_io_export.py

@@ -32,7 +32,7 @@ def save_gltf(glTF, export_settings, encoder, glb_buffer):
     indent = None
     separators = separators = (',', ':')
 
-    if export_settings['gltf_format'] == 'ASCII' and not export_settings['gltf_strip']:
+    if export_settings['gltf_format'] == 'ASCII':
         indent = 4
         # The comma is typically followed by a newline, so no trailing whitespace is needed on it.
         separators = separators = (',', ' : ')