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SWBF-msh-Blender-IO
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fix flat normals not being handled

This commit is contained in:
SleepKiller 2019-11-24 16:03:13 +13:00
parent bc388640ed
commit 23e479ae51
1 changed files with 20 additions and 19 deletions
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39
addons/io_scene_swbf_msh/msh_model_gather.py
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@ -103,7 +103,7 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
for segment, material in zip(segments, mesh.materials):
segment.material_name = material.name
def add_vertex(material_index: int, vertex_index: int, loop_index: int) -> int:
def add_vertex(material_index: int, vertex_index: int, loop_index: int, use_smooth_normal: bool, face_normal: Vector) -> int:
nonlocal segments, vertex_remap
vertex_cache_miss_index = -1
@ -111,19 +111,24 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
cache = vertex_cache[material_index]
remap = vertex_remap[material_index]
def get_cache_vertex(vertex_index: int, loop_index: int):
vertex_normal: Vector
if use_smooth_normal or mesh.use_auto_smooth:
if mesh.has_custom_normals:
vertex_normal = mesh.loops[loop_index].normal
else:
vertex_normal = mesh.vertices[vertex_index].normal
else:
vertex_normal = face_normal
def get_cache_vertex():
yield mesh.vertices[vertex_index].co.x
yield mesh.vertices[vertex_index].co.y
yield mesh.vertices[vertex_index].co.z
if mesh.has_custom_normals:
yield mesh.loops[loop_index].normal.x
yield mesh.loops[loop_index].normal.y
yield mesh.loops[loop_index].normal.z
else:
yield mesh.vertices[vertex_index].normal.x
yield mesh.vertices[vertex_index].normal.y
yield mesh.vertices[vertex_index].normal.z
yield vertex_normal.x
yield vertex_normal.y
yield vertex_normal.z
if mesh.uv_layers.active is not None:
yield mesh.uv_layers.active.data[loop_index].uv.x
@ -133,7 +138,7 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
for v in mesh.vertex_colors.active.data[loop_index].color:
yield v
vertex_cache_entry = tuple(get_cache_vertex(vertex_index, loop_index))
vertex_cache_entry = tuple(get_cache_vertex())
cached_vertex_index = cache.get(vertex_cache_entry, vertex_cache_miss_index)
if cached_vertex_index != vertex_cache_miss_index:
@ -146,11 +151,7 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
remap[(vertex_index, loop_index)] = new_index
segment.positions.append(convert_vector_space(mesh.vertices[vertex_index].co))
if mesh.has_custom_normals:
segment.normals.append(convert_vector_space(mesh.loops[loop_index].normal))
else:
segment.normals.append(convert_vector_space(mesh.vertices[vertex_index].normal))
segment.normals.append(convert_vector_space(vertex_normal))
if mesh.uv_layers.active is None:
segment.texcoords.append(Vector((0.0, 0.0)))
@ -165,9 +166,9 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
for tri in mesh.loop_triangles:
polygons[tri.material_index].add(tri.polygon_index)
segments[tri.material_index].triangles.append([
add_vertex(tri.material_index, tri.vertices[0], tri.loops[0]),
add_vertex(tri.material_index, tri.vertices[1], tri.loops[1]),
add_vertex(tri.material_index, tri.vertices[2], tri.loops[2])])
add_vertex(tri.material_index, tri.vertices[0], tri.loops[0], tri.use_smooth, tri.normal),
add_vertex(tri.material_index, tri.vertices[1], tri.loops[1], tri.use_smooth, tri.normal),
add_vertex(tri.material_index, tri.vertices[2], tri.loops[2], tri.use_smooth, tri.normal)])
for segment, remap, polys in zip(segments, vertex_remap, polygons):
for poly_index in polys: