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SWBF-msh-Blender-IO
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add conversion from Blender's coordinate space to .msh space

This commit is contained in:
SleepKiller 2019-11-15 20:41:31 +13:00
parent 107dd2e8bf
commit e9f442d052
1 changed files with 19 additions and 8 deletions
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27
addons/io_scene_swbf_msh/msh_model_gather.py
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@ -30,8 +30,8 @@ def gather_models() -> List[Model]:
model.name = obj.name model.name = obj.name
model.model_type = get_model_type(obj) model.model_type = get_model_type(obj)
model.hidden = get_is_model_hidden(obj) model.hidden = get_is_model_hidden(obj)
model.transform.rotation = obj.rotation_quaternion @ obj.delta_rotation_quaternion model.transform.rotation = convert_rotation_space(obj.rotation_quaternion @ obj.delta_rotation_quaternion)
model.transform.translation = add_vec(obj.location, obj.delta_location) model.transform.translation = convert_vector_space(add_vec(obj.location, obj.delta_location))
if obj.parent is not None: if obj.parent is not None:
model.parent = obj.parent.name model.parent = obj.parent.name
@ -41,7 +41,7 @@ def gather_models() -> List[Model]:
model.geometry = create_mesh_geometry(mesh) model.geometry = create_mesh_geometry(mesh)
obj.to_mesh_clear() obj.to_mesh_clear()
mesh_scale = get_object_worldspace_scale(obj) mesh_scale = convert_vector_space(get_object_worldspace_scale(obj))
scale_segments(mesh_scale, model.geometry) scale_segments(mesh_scale, model.geometry)
models_list.append(model) models_list.append(model)
@ -95,12 +95,12 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
new_index: int = len(segment.positions) new_index: int = len(segment.positions)
remap[(vertex_index, loop_index)] = new_index remap[(vertex_index, loop_index)] = new_index
segment.positions.append(mesh.vertices[vertex_index].co.copy()) segment.positions.append(convert_vector_space(mesh.vertices[vertex_index].co))
if mesh.has_custom_normals: if mesh.has_custom_normals:
segment.normals.append(mesh.loops[loop_index].normal.copy()) segment.normals.append(convert_vector_space(mesh.loops[loop_index].normal))
else: else:
segment.normals.append(mesh.vertices[vertex_index].normal.copy()) segment.normals.append(convert_vector_space(mesh.vertices[vertex_index].normal))
if mesh.uv_layers.active is None: if mesh.uv_layers.active is None:
segment.texcoords.append(Vector((0.0, 0.0))) segment.texcoords.append(Vector((0.0, 0.0)))
@ -114,8 +114,10 @@ def create_mesh_geometry(mesh: bpy.types.Mesh) -> List[GeometrySegment]:
for tri in mesh.loop_triangles: for tri in mesh.loop_triangles:
polygons[tri.material_index].add(tri.polygon_index) polygons[tri.material_index].add(tri.polygon_index)
segments[tri.material_index].triangles.append( segments[tri.material_index].triangles.append([
[add_vertex(tri.material_index, v, l) for v, l in zip(tri.vertices, tri.loops)]) add_vertex(tri.material_index, tri.vertices[0], tri.loops[0]),
add_vertex(tri.material_index, tri.vertices[2], tri.loops[2]),
add_vertex(tri.material_index, tri.vertices[1], tri.loops[1])])
for segment, remap, polys in zip(segments, vertex_remap, polygons): for segment, remap, polys in zip(segments, vertex_remap, polygons):
for poly_index in polys: for poly_index in polys:
@ -160,3 +162,12 @@ def get_is_model_hidden(obj: bpy.types.Object) -> bool:
return True return True
return False return False
def convert_vector_space(vec: Vector) -> Vector:
return Vector(vec.xzy)
def convert_scale_space(vec: Vector) -> Vector:
return Vector(vec.xzy)
def convert_rotation_space(quat: Quaternion) -> Quaternion:
return Quaternion((quat.w, quat.x, quat.z, quat.y))