def branchentry(self, branch):
if not isinstance(branch, NifFormat.bhkConvexVerticesShape):
# keep recursing
return True
else:
self.toaster.msg("checking vertices and planes")
for v4 in branch.vertices:
v = NifFormat.Vector3()
v.x = v4.x
v.y = v4.y
v.z = v4.z
num_intersect = 0
for n4 in branch.normals:
n = NifFormat.Vector3()
n.x = n4.x
n.y = n4.y
n.z = n4.z
d = n4.w
if abs(v * n + d) < 0.01:
num_intersect += 1
if num_intersect == 0:
self.toaster.logger.error(
"vertex %s does not intersect with any plane" % v)
elif num_intersect == 1:
self.toaster.logger.warn(
"vertex %s only intersects with one plane" % v)
elif num_intersect == 2:
self.toaster.logger.warn(
"vertex %s only intersects with two planes" % v)
# stop recursing
return False
def import_egm_morphs(self, egmdata, b_obj, v_map, n_verts):
"""Import all EGM morphs as shape keys for blender object."""
# XXX if there is an egm, the assumption is that there is only one
# XXX mesh in the nif
b_mesh = b_obj.data
sym_morphs = [list(morph.get_relative_vertices())
for morph in egmdata.sym_morphs]
asym_morphs = [list(morph.get_relative_vertices())
for morph in egmdata.asym_morphs]
# insert base key at frame 1, using absolute keys
sk_basis = b_obj.shape_key_add("Basis")
b_mesh.shape_keys.use_relative = False
morphs = ([(morph, "EGM SYM %i" % i)
for i, morph in enumerate(sym_morphs)]
+
[(morph, "EGM ASYM %i" % i)
for i, morph in enumerate(asym_morphs)])
for morphverts, keyname in morphs:
#convert tuples into vector here so we can simply add in morph_mesh()
morphvert_out = []
for u in morphverts:
v = NifFormat.Vector3()
v.x, v.y, v.z = u
morphvert_out.append(v)
self.morph_mesh(b_mesh, n_verts, morphvert_out, v_map)
shape_key = b_obj.shape_key_add(keyname, from_mix=False)
def build_nif_matrix(cls):
n_mat = NifFormat.Matrix44()
translation = (2.0, 3.0, 4.0)
scale = 2.0
n_rhs_rot_x = (1.0, 0.0, 0.0, 0.0, 0.866, 0.5, 0.0, -0.5, 0.866)
n_rhs_rot_y = (0.5, 0.0, -0.866, 0.0, 1.0, 0.0, 0.866, 0.0, 0.5)
n_rhs_rot_z = (0, 1, 0, -1, 0, 0, 0, 0, 1)
n_rhs_rot_x = cls.create_matrix(n_rhs_rot_x)
n_rhs_rot_y = cls.create_matrix(n_rhs_rot_y)
n_rhs_rot_z = cls.create_matrix(n_rhs_rot_z)
n_mat33 = n_rhs_rot_z * n_rhs_rot_y * n_rhs_rot_x
n_vec3 = NifFormat.Vector3()
n_vec3.x = translation[0]
n_vec3.y = translation[1]
n_vec3.z = translation[2]
n_mat.set_scale_rotation_translation(scale, n_mat33, n_vec3)
return n_mat
def build_nif_matrix(cls):
n_mat = NifFormat.Matrix44()
translation = (2.0, 3.0, 4.0)
scale = 2.0
rhsrotx = (1.0, 0.0, 0.0,
0.0, 0.866, 0.5,
0.0, -0.5, 0.866)
rhsroty = (0.5, 0.0, -0.866,
0.0, 1.0, 0.0,
0.866, 0.0, 0.5)
rhsrotz = (0, 1, 0,
-1, 0, 0,
0, 0, 1)
rhsrotx = cls.create_matrix(rhsrotx)
rhsroty = cls.create_matrix(rhsroty)
rhsrotz = cls.create_matrix(rhsrotz)
n_mat33 = rhsrotz * rhsroty * rhsrotx
n_vec3 = NifFormat.Vector3()
n_vec3.x = translation[0]
n_vec3.y = translation[1]
n_vec3.z = translation[2]
n_mat.set_scale_rotation_translation(scale, n_mat33, n_vec3)
return n_mat
def get_skin_deformation_from_partition(n_geom):
""" Workaround because pyffi does not support this skinning method """
# todo [pyffi] integrate this into pyffi!!!
# so that NiGeometry.get_skin_deformation() deals with this as intended
# mostly a copy from pyffi...
skin_inst = n_geom.skin_instance
skin_data = skin_inst.data
skin_partition = skin_inst.skin_partition
skel_root = skin_inst.skeleton_root
vertices = [
NifFormat.Vector3() for _ in range(n_geom.data.num_vertices)
]
# ignore normals for now, not needed for import
sum_weights = [0.0 for _ in range(n_geom.data.num_vertices)]
skin_offset = skin_data.get_transform()
# store one transform per bone
bone_transforms = []
for i, bone_block in enumerate(skin_inst.bones):
bone_data = skin_data.bone_list[i]
bone_offset = bone_data.get_transform()
bone_matrix = bone_block.get_transform(skel_root)
transform = bone_offset * bone_matrix * skin_offset
bone_transforms.append(transform)
# now the actual unique bit
for block in skin_partition.skin_partition_blocks:
# create all vgroups for this block's bones
block_bone_transforms = [bone_transforms[i] for i in block.bones]
# go over each vert in this block
for vert_index, vertex_weights, bone_indices in zip(
block.vertex_map, block.vertex_weights,
block.bone_indices):
# skip verts that were already processed in an earlier block
if sum_weights[vert_index] != 0:
continue
# go over all 4 weight / bone pairs and transform this vert
for weight, b_i in zip(vertex_weights, bone_indices):
if weight > 0:
transform = block_bone_transforms[b_i]
vertices[vert_index] += weight * (
n_geom.data.vertices[vert_index] * transform)
sum_weights[vert_index] += weight
for i, s in enumerate(sum_weights):
if abs(s - 1.0) > 0.01:
print(
f"Vertex {i:d} has weights not summing to one: {sum_weights['i']:d}"
)
return vertices
def branchentry(self, branch):
if not isinstance(branch, NifFormat.NiGeometryData):
# keep recursing
return True
else:
report = {}
self.toaster.msg("getting bounding sphere")
center = NifFormat.Vector3()
center.x = branch.center.x
center.y = branch.center.y
center.z = branch.center.z
radius = branch.radius
self.toaster.msg("checking that all vertices are inside")
maxr = 0.0
maxv = None
for vert in branch.vertices:
dist = vert - center
if dist * dist > maxr:
maxr = dist * dist
maxv = vert
maxr = maxr ** 0.5
if maxr > 1.01 * radius + 0.01:
#raise ValueError(
self.toaster.logger.warn(
"not all vertices inside bounding sphere (vertex %s, error %s)"
% (maxv, abs(maxr - radius)))
report["vertex_outside"] = maxv.as_tuple()
self.toaster.msg("recalculating bounding sphere")
branch.update_center_radius()
self.toaster.msg("comparing old and new spheres")
if center != branch.center:
self.toaster.logger.warn(
"center does not match; original %s, calculated %s"
% (center, branch.center))
report["center"] = {
"orig": center.as_tuple(),
"calc": branch.center.as_tuple(),
}
if abs(radius - branch.radius) > NifFormat.EPSILON:
self.toaster.logger.warn(
"radius does not match; original %s, calculated %s"
% (radius, branch.radius))
report["radius"] = {
"orig": radius,
"calc": branch.radius,
}
if report:
self.append_report(report)
# stop recursing
return False
def branchentry(self, branch):
if not isinstance(branch, NifFormat.bhkMoppBvTreeShape):
# keep recursing
return True
else:
mopp = [b for b in branch.mopp_data]
o = NifFormat.Vector3()
o.x = branch.origin.x
o.y = branch.origin.y
o.z = branch.origin.z
scale = branch.scale
self.toaster.msg("recalculating mopp origin and scale")
branch.update_origin_scale()
if branch.origin != o:
self.toaster.logger.warn("origin mismatch")
self.toaster.logger.warn("(was %s and is now %s)"
% (o, branch.origin))
if abs(branch.scale - scale) > 0.5:
self.toaster.logger.warn("scale mismatch")
self.toaster.logger.warn("(was %s and is now %s)"
% (scale, branch.scale))
self.toaster.msg("parsing mopp")
# ids = indices of bytes processed, tris = triangle indices
ids, tris = branch.parse_mopp(verbose=True)
error = False
# check triangles
counts = [tris.count(i) for i in range(branch.shape.data.num_triangles)]
missing = [i for i in range(branch.shape.data.num_triangles)
if counts[i] != 1]
if missing:
self.toaster.logger.error(
"some triangles never visited, or visited more than once")
self.toaster.logger.debug(
"triangles index, times visited")
for i in missing:
self.toaster.logger.debug(i, counts[i])
error = True
wrong = [i for i in tris if i > branch.shape.data.num_triangles]
if wrong:
self.toaster.logger.error("invalid triangle indices")
self.toaster.logger.debug(wrong)
error = True
# check bytes
counts = [ids.count(i) for i in range(branch.mopp_data_size)]
missing = [i for i in range(branch.mopp_data_size) if counts[i] != 1]
if missing:
self.toaster.logger.error(
"some bytes never visited, or visited more than once")
self.toaster.logger.debug(
"byte index, times visited, value")
for i in missing:
self.toaster.logger.debug(i, counts[i], "0x%02X" % mopp[i])
self.toaster.logger.debug([mopp[k] for k in range(i, min(branch.mopp_data_size, i + 10))])
error = True
#if error:
# raise ValueError("mopp parsing failed")
# stop recursing
return False
def DrawOffset(v, off):
w = NifFormat.Vector3()
w.x = v.x + off.x
w.y = v.y + off.y
w.z = v.z + off.z
DrawLine(v, w)