def make_fog_plane_jms_models(fog_planes,
nodes,
make_fans=True,
optimize=False):
jms_models = []
materials = [JmsMaterial("+unused$", "<none>", "+unused$")]
plane_index = 0
for fog_plane in fog_planes:
tris = edge_loop_to_tris(len(fog_plane.vertices.STEPTREE),
make_fan=make_fans)
verts = [
JmsVertex(0,
vert[0] * 100,
vert[1] * 100,
vert[2] * 100,
tex_v=1.0) for vert in fog_plane.vertices.STEPTREE
]
jms_model = JmsModel("bsp", 0, nodes, materials, (),
("fog_plane_%s" % plane_index, ), verts, tris)
if optimize:
jms_model.optimize_geometry(True)
jms_models.append(jms_model)
plane_index += 1
return jms_models
def make_mirror_jms_models(clusters, nodes, make_fans=True):
jms_models = []
mirrors = []
for cluster in clusters:
mirrors.extend(cluster.mirrors.STEPTREE)
mirror_index = 0
for mirror in mirrors:
tris = edge_loop_to_tris(len(mirror.vertices.STEPTREE),
make_fan=make_fans)
verts = [
JmsVertex(0,
vert[0] * 100,
vert[1] * 100,
vert[2] * 100,
tex_v=1.0) for vert in mirror.vertices.STEPTREE
]
jms_models.append(
JmsModel("bsp", 0, nodes,
[JmsMaterial(mirror.shader.filepath.split("\\")[-1])], (),
("mirror_%s" % mirror_index, ), verts, tris))
mirror_index += 1
return jms_models
def make_bsp_coll_jms_models(bsps,
materials,
nodes,
node_transforms=(),
ignore_flags=False,
make_fans=True):
jms_models = []
bsp_index = 0
for bsp in bsps:
coll_edge_loops = get_bsp_surface_edge_loops(bsp, ignore_flags)
node_transform = node_transforms[bsp_index] if node_transforms else None
coll_materials = []
mat_info_to_mat_id = {}
# create materials from the provided materials and the
# info on the collision properties of each surface.
for mat_info in coll_edge_loops:
src_material = materials[mat_info[0]]
material = JmsMaterial(src_material.name)
if not ignore_flags:
if len(mat_info) > 1: material.double_sided = mat_info[1]
if len(mat_info) > 2: material.large_collideable = mat_info[2]
if len(mat_info) > 3: material.ladder = mat_info[3]
if len(mat_info) > 4: material.breakable = mat_info[4]
material.collision_only = not material.large_collideable
material.double_sided &= not material.large_collideable
material.name = material.name + material.properties
material.shader_path = material.shader_path + material.properties
material.properties = ""
mat_info_to_mat_id[mat_info] = len(coll_materials)
coll_materials.append(material)
verts = make_bsp_jms_verts(bsp, node_transform)
tri_count = 0
# figure out how many triangles we'll be creating
for mat_info in coll_edge_loops:
for edge_loop in coll_edge_loops[mat_info]:
tri_count += len(edge_loop) - 2
tri_index = 0
tris = [None] * tri_count
# create triangles from the edge loops
for mat_info in coll_edge_loops:
mat_id = mat_info_to_mat_id[mat_info]
for edge_loop in coll_edge_loops[mat_info]:
loop_tris = edge_loop_to_tris(edge_loop,
mat_id=mat_id,
make_fan=make_fans)
tris[tri_index:tri_index + len(loop_tris)] = loop_tris
tri_index += len(loop_tris)
jms_models.append(
JmsModel("bsp", 0, nodes, coll_materials, [],
("collision_%s" % bsp_index, ), verts, tris))
bsp_index += 1
return jms_models
def extract_physics(tagdata, tag_path="", **kw):
do_write_jms = kw.get('write_jms', True)
filepath = ""
if do_write_jms:
filepath = os.path.join(kw['out_dir'], os.path.dirname(tag_path),
"physics", "physics.jms")
if not kw.get('overwrite', True) and os.path.isfile(filepath):
return
jms_model = JmsModel()
child_node_ct = 1
for mp in tagdata.mass_points.STEPTREE:
child_node_ct = max(child_node_ct, mp.model_node + 1)
fi, fj, fk = mp.forward
ui, uj, uk = mp.up
si, sj, sk = uj * fk - fj * uk, uk * fi - fk * ui, ui * fj - fi * uj
matrix = Matrix(((fi, fj, fk), (si, sj, sk), (ui, uj, uk)))
i, j, k, w = matrix_to_quaternion(matrix)
# no idea why I have to invert these
w = -w
if w < 0:
i, j, k, w = -i, -j, -k, -w
jms_model.markers.append(
JmsMarker(
mp.name,
"physics",
-1,
mp.model_node,
i,
j,
k,
w,
mp.position.x * 100,
mp.position.y * 100,
mp.position.z * 100,
mp.radius * 100,
))
jms_model.nodes = generate_fake_nodes(child_node_ct)
if do_write_jms:
write_jms(filepath, jms_model)
else:
return jms_model
def make_bsp_renderable_jms_models(sbsp_body, base_nodes):
jms_models = []
lightmaps = sbsp_body.lightmaps.STEPTREE
all_tris = sbsp_body.surfaces.STEPTREE
shader_index_by_mat_name = {}
mat_indices_by_mat_name = {}
shader_mats = []
for i in range(len(lightmaps)):
materials = lightmaps[i].materials.STEPTREE
for j in range(len(materials)):
material = materials[j]
mat_name = PureWindowsPath(material.shader.filepath).name.lower()
mat_name += "!$" if material.flags.fog_plane else "!"
if mat_name not in mat_indices_by_mat_name:
shader_index_by_mat_name[mat_name] = len(shader_mats)
shader_mats.append(JmsMaterial(mat_name))
mat_indices_by_mat_name[mat_name] = []
shader_mats[-1].shader_path = (shader_mats[-1].shader_path +
shader_mats[-1].properties)
shader_mats[-1].properties = ""
mat_indices_by_mat_name[mat_name].append((i, j))
uncomp_vert_unpacker = PyStruct("<14f").unpack_from
for mat_name in sorted(mat_indices_by_mat_name):
verts = []
tris = []
for i, j in mat_indices_by_mat_name[mat_name]:
material = lightmaps[i].materials.STEPTREE[j]
mat_index = shader_index_by_mat_name.get(mat_name)
if mat_index is None:
continue
vert_data = material.uncompressed_vertices.data
v_base = len(verts)
tris.extend(
JmsTriangle(0, mat_index, tri[0] + v_base, tri[2] +
v_base, tri[1] + v_base)
for tri in all_tris[material.surfaces:material.surfaces +
material.surface_count])
for i in range(0, material.vertices_count * 56, 56):
x, y, z, ni, nj, nk, bi, bj, bk, ti, tj, tk, u, v =\
uncomp_vert_unpacker(vert_data, i)
verts.append(
JmsVertex(0, x * 100, y * 100, z * 100, ni, nj, nk, -1, 0,
u, 1 - v, 0, bi, bj, bk, ti, tj, tk))
jms_models.append(
JmsModel("bsp", 0, base_nodes, shader_mats, [], ("renderable", ),
verts, tris))
return jms_models
def make_cluster_portal_jms_models(planes,
clusters,
cluster_portals,
nodes,
make_fans=True,
optimize=False):
jms_models = []
materials = [
JmsMaterial("+portal", "<none>", "+portal"),
JmsMaterial("+portal&", "<none>", "+portal&")
]
materials[1].properties = ""
cluster_index = 0
portals_seen = set()
verts = []
tris = []
for cluster in clusters:
for portal_index in cluster.portals.STEPTREE:
if portal_index[0] in portals_seen:
continue
portals_seen.add(portal_index[0])
portal = cluster_portals[portal_index[0]]
shader = 1 if portal.flags.ai_cant_hear_through_this else 0
portal_plane = planes[portal.plane_index]
tris.extend(
edge_loop_to_tris(len(portal.vertices.STEPTREE),
mat_id=shader,
base=len(verts),
make_fan=make_fans))
verts.extend(
JmsVertex(
0, vert[0] * 100, vert[1] * 100, vert[2] * 100, tex_v=1.0)
for vert in portal.vertices.STEPTREE)
jms_model = JmsModel("bsp", 0, nodes, materials, (), ("cluster_portals", ),
verts, tris)
if optimize:
jms_model.optimize_geometry(True)
jms_models.append(jms_model)
return jms_models
def make_marker_jms_model(sbsp_markers, nodes):
markers = []
for m in sbsp_markers:
markers.append(
JmsMarker(m.name, "bsp", 0, 0, m.rotation.i, m.rotation.j,
m.rotation.k, m.rotation.w, m.position.x * 100,
m.position.y * 100, m.position.z * 100))
return JmsModel("bsp", 0, nodes, [], markers, ("markers", ))
def make_bsp_lightmap_jms_models(sbsp_body, base_nodes):
jms_models = []
lightmaps = sbsp_body.lightmaps.STEPTREE
all_tris = sbsp_body.surfaces.STEPTREE
shader_index_by_mat_name = {}
shader_mats = []
for i in range(len(lightmaps)):
lm_index = lightmaps[i].bitmap_index
if lm_index not in shader_index_by_mat_name and lm_index >= 0:
shader_index_by_mat_name[lm_index] = len(shader_index_by_mat_name)
shader_mats.append(JmsMaterial("lightmap_%s" % lm_index))
uncomp_vert_xyz_unpacker = PyStruct("<3f").unpack_from
uncomp_vert_ijkuv_unpacker = PyStruct("<5f").unpack_from
for lightmap in lightmaps:
verts = []
tris = []
mat_index = shader_index_by_mat_name.get(lightmap.bitmap_index, -1)
if mat_index < 0:
continue
for material in lightmap.materials.STEPTREE:
v_base = len(verts)
tris.extend(
JmsTriangle(0, mat_index, tri[0] + v_base, tri[2] +
v_base, tri[1] + v_base)
for tri in all_tris[material.surfaces:material.surfaces +
material.surface_count])
vert_off = 0
lm_vert_off = 56 * material.vertices_count
vert_data = material.uncompressed_vertices.data
for i in range(material.lightmap_vertices_count):
x, y, z = uncomp_vert_xyz_unpacker(vert_data, vert_off)
i, j, k, u, v = uncomp_vert_ijkuv_unpacker(
vert_data, lm_vert_off)
vert_off += 56
lm_vert_off += 20
verts.append(
JmsVertex(0, x * 100, y * 100, z * 100, i, j, k, -1, 0, u,
1 - v))
jms_models.append(
JmsModel("bsp", 0, base_nodes, shader_mats, [],
("lightmap_%s" % lightmap.bitmap_index, ), verts, tris))
return jms_models
def make_lens_flare_jms_model(lens_flare_markers, lens_flares, nodes):
markers = []
for m in lens_flare_markers:
i, j, k, w = euler_to_quaternion(m.direction.i / 128,
m.direction.j / 128,
m.direction.k / 128)
lens_flare_name = lens_flares[m.lens_flare_index].shader.filepath
markers.append(
JmsMarker(
lens_flare_name.split("\\")[-1], "bsp", 0, 0, i, j, k, w,
m.position.x * 100, m.position.y * 100, m.position.z * 100))
return JmsModel("bsp", 0, nodes, [], markers, ("lens_flares", ))
def make_weather_polyhedra_jms_models(polyhedras,
nodes,
make_fans=True,
tolerance=0.0000001):
jms_models = []
materials = [JmsMaterial("+weatherpoly", "<none>", "+weatherpoly")]
polyhedra_index = 0
for polyhedra in polyhedras:
verts, tris = planes_to_verts_and_tris(
polyhedra.planes.STEPTREE,
polyhedra.bounding_sphere_center,
make_fans=make_fans,
round_adjust=Ray(polyhedra.bounding_sphere_center).mag * tolerance)
jms_models.append(
JmsModel("bsp", 0, nodes, materials, (),
("weather_polyhedra_%s" % polyhedra_index, ), verts,
tris))
polyhedra_index += 1
return jms_models
def jms_model_from_dae(filepath, model_name=None):
if collada is None:
return
if model_name is None:
model_name = "__unnamed"
collada_model = collada.Collada(filepath)
print(collada_model.geometries)
model = JmsModel(model_name)
regions = model.regions
mats = model.materials
nodes = model.nodes
tris = model.tris
verts = model.verts
for collada_mat in collada_model.materials:
mat_name = collada_mat.name
# correct DAE not being able to use + in material names
if mat_name.startswith('_'):
mat_name = mat_name.lstrip("_")
if mat_name in special_mat_names:
mat_name = "+" + mat_name
mats.append(JmsMaterial(mat_name))
if not mats:
mats.append(JmsMaterial("__unnamed"))
return
# idk if i'll ever implement this. collada is just too complex
return model
def jms_model_from_obj(obj_string, model_name=None):
if not isinstance(obj_string, str):
raise TypeError("Argument must be of type 'str', not '%s'." %
type(obj_string))
if model_name is None:
model_name = "__unnamed"
model = JmsModel(model_name)
model.nodes = [JmsNode("frame")]
model.regions = ["__unnamed"]
mats = model.materials
tris = model.tris
f_num = 0
mat_num = 0
mat_names = {}
v_locs = []
v_uvs = []
v_norms = []
v_datas = {}
v_data_by_idx = []
norms_to_calc = {}
sg_error = False
ngon_error = False
# Reminder that obj's use 1 based indexing
i = 0
for line in obj_string.split("\n"):
i += 1
line = line.lstrip(' ')
if not line or line[0] == "#":
continue
line_parts = line.replace('\t', ' ').split(' ', 1)
if len(line_parts) < 2:
continue
token, line = line_parts
if token == "v":
loc_data = [d for d in line.split(' ') if d]
if len(loc_data) != 3:
raise ValueError("Invalid vertex coord on line %s." % i)
v_locs.append(loc_data)
elif token == "vt":
uv_data = [d for d in line.split(' ') if d]
if len(uv_data) not in (2, 3):
raise ValueError("Invalid vertex texture coord on line %s." %
i)
v_uvs.append(uv_data)
elif token == "vn":
norm_data = [d for d in line.split(' ') if d]
if len(norm_data) != 3:
raise ValueError("Invalid vertex normal on line %s." % i)
v_norms.append(norm_data)
elif token == "f":
tri_data = [d for d in line.split(' ') if d]
if len(tri_data) != 3:
ngon_error = True
continue
v_indices = [0, 0, 0]
for j in range(len(tri_data)):
v_data = tuple(tri_data[j].replace(' ', '').split('/'))
if not len(v_data[0]):
raise ValueError("Invalid triangle vert description.")
if v_data not in v_datas:
v_data_by_idx.append(v_data)
v_datas[v_data] = len(v_data_by_idx)
v_idx = v_datas[v_data] - 1
v_indices[j] = v_idx
if len(v_data) < 3 or not v_data[2]:
norms_to_calc.setdefault(v_idx, []).append(f_num)
tris.append(JmsTriangle(0, mat_num, *v_indices))
f_num += 1
elif token == "usemtl":
name = line
if name in mat_names:
mat_num = mat_names[name]
else:
mat_num = len(mat_names)
mats.append(JmsMaterial(name))
mat_names[name] = mat_num
elif token == "s" and not sg_error:
sg_error = True
else:
# dont care about anything else
pass
if sg_error or ngon_error:
if ngon_error:
print("Quads and n-gons are not supported.")
if sg_error:
print(
"Smoothing groups not supported! Export with vertex normals.")
return
model.verts = verts = [None] * len(v_data_by_idx)
for i in range(len(v_data_by_idx)):
v_data = v_data_by_idx[i]
loc_idx = int(v_data[0]) - 1
v_loc = v_locs[loc_idx]
pos_x = float(v_loc[0])
pos_y = float(v_loc[1])
pos_z = float(v_loc[2])
if len(v_data) > 1 and v_data[1]:
v_uv = v_uvs[int(v_data[1]) - 1]
tex_u = float(v_uv[0])
tex_v = float(v_uv[1])
else:
tex_u = pos_x
tex_v = pos_y
if len(v_data) > 2 and v_data[2]:
v_norm = v_norms[int(v_data[2]) - 1]
norm_i = float(v_norm[0])
norm_j = float(v_norm[1])
norm_k = float(v_norm[2])
else:
norm_i = 1
norm_j = norm_k = 0
# We want to rotate the model, so we don't use the vertex coords
# exactly as they are given(swap y and z and make z negative).
verts[i] = JmsVertex(0, pos_x, -pos_z, pos_y, norm_i, -norm_k, norm_j,
-1, 0.0, tex_u, tex_v)
sqrt = math.sqrt
for i in norms_to_calc:
vert = verts[i]
i = j = k = 0
face_ct = 0
for f_num in norms_to_calc[i]:
face_ct += 1
face = tris[f_num]
v0 = verts[face.v0]
v1 = verts[face.v1]
v2 = verts[face.v2]
vax = v1.pos_x - v0.pos_x
vay = v1.pos_y - v0.pos_y
vaz = v1.pos_z - v0.pos_z
vbx = v2.pos_x - v0.pos_x
vby = v2.pos_y - v0.pos_y
vbz = v2.pos_z - v0.pos_z
fi = vay * vbz - vaz * vby
fj = vaz * vbx - vax * vbz
fk = vax * vby - vay * vbx
mag = fi**2 + fj**2 + fk**2
if mag > 0:
mag = sqrt(mag)
i += fi / mag
j += fj / mag
k += fk / mag
if face_ct:
vert.norm_i = i / face_ct
vert.norm_j = j / face_ct
vert.norm_k = k / face_ct
if not mats:
mats.append(JmsMaterial("__unnamed"))
return model
def extract_model(tagdata, tag_path="", **kw):
do_write_jms = kw.get('write_jms', True)
if do_write_jms:
jms_models = None
filepath_base = os.path.join(kw['out_dir'], os.path.dirname(tag_path),
"models")
else:
jms_models = []
filepath_base = ""
global_markers = {}
materials = []
regions = []
nodes = []
for b in tagdata.markers.STEPTREE:
marker_name = b.name
for inst in b.marker_instances.STEPTREE:
try:
region = tagdata.regions.STEPTREE[inst.region_index]
except Exception:
print("Invalid region index in marker '%s'" % marker_name)
continue
try:
perm = region.permutations.STEPTREE[inst.permutation_index]
perm_name = perm.name
if (perm.flags.cannot_be_chosen_randomly
and not perm_name.startswith("~")):
perm_name += "~"
except Exception:
print("Invalid permutation index in marker '%s'" % marker_name)
continue
perm_markers = global_markers.setdefault(perm_name, [])
trans = inst.translation
rot = inst.rotation
perm_markers.append(
JmsMarker(marker_name, perm_name, inst.region_index,
inst.node_index, rot.i, rot.j, rot.k, rot.w,
trans.x * 100, trans.y * 100, trans.z * 100, 1.0))
for b in tagdata.nodes.STEPTREE:
trans = b.translation
rot = b.rotation
nodes.append(
JmsNode(b.name, b.first_child_node, b.next_sibling_node, rot.i,
rot.j, rot.k, rot.w, trans.x * 100, trans.y * 100,
trans.z * 100, b.parent_node))
for b in tagdata.shaders.STEPTREE:
materials.append(
JmsMaterial(b.shader.filepath.split("/")[-1].split("\\")[-1]))
markers_by_perm = {}
geoms_by_perm_lod_region = {}
u_scale = tagdata.base_map_u_scale
v_scale = tagdata.base_map_v_scale
for region in tagdata.regions.STEPTREE:
region_index = len(regions)
regions.append(region.name)
for perm in region.permutations.STEPTREE:
perm_name = perm.name
if (perm.flags.cannot_be_chosen_randomly
and not perm_name.startswith("~")):
perm_name += "~"
geoms_by_lod_region = geoms_by_perm_lod_region.setdefault(
perm_name, {})
perm_markers = markers_by_perm.setdefault(perm_name, [])
if hasattr(perm, "local_markers"):
for m in perm.local_markers.STEPTREE:
trans = m.translation
rot = m.rotation
perm_markers.append(
JmsMarker(m.name, perm_name, region_index,
m.node_index, rot.i, rot.j, rot.k, rot.w,
trans.x * 100, trans.y * 100, trans.z * 100,
1.0))
last_geom_index = -1
for lod in range(5):
geoms_by_region = geoms_by_lod_region.get(lod, {})
region_geoms = geoms_by_region.get(region.name, [])
geom_index = perm[perm.NAME_MAP["superlow_geometry_block"] +
(4 - lod)]
if (geom_index in region_geoms
or geom_index == last_geom_index):
continue
geoms_by_lod_region[lod] = geoms_by_region
geoms_by_region[region.name] = region_geoms
region_geoms.append(geom_index)
last_geom_index = geom_index
try:
use_local_nodes = tagdata.flags.parts_have_local_nodes
except Exception:
use_local_nodes = False
def_node_map = list(range(128))
def_node_map.append(-1)
# use big endian since it will have been byteswapped
comp_vert_unpacker = PyStruct(">3f3I2h2bh").unpack_from
uncomp_vert_unpacker = PyStruct(">14f2h2f").unpack_from
for perm_name in sorted(geoms_by_perm_lod_region):
geoms_by_lod_region = geoms_by_perm_lod_region[perm_name]
perm_markers = markers_by_perm.get(perm_name)
for lod in sorted(geoms_by_lod_region):
if lod == -1:
continue
jms_name = perm_name + {
4: " superlow",
3: " low",
2: " medium",
1: " high",
0: " superhigh"
}.get(lod, "")
filepath = os.path.join(filepath_base, jms_name + ".jms")
markers = list(perm_markers)
markers.extend(global_markers.get(perm_name, ()))
verts = []
tris = []
geoms_by_region = geoms_by_lod_region[lod]
for region_name in sorted(geoms_by_region):
region_index = regions.index(region_name)
geoms = geoms_by_region[region_name]
for geom_index in geoms:
try:
geom_block = tagdata.geometries.STEPTREE[geom_index]
except Exception:
print("Invalid geometry index '%s'" % geom_index)
continue
for part in geom_block.parts.STEPTREE:
v_origin = len(verts)
shader_index = part.shader_index
try:
node_map = list(part.local_nodes)
node_map.append(-1)
compressed = False
except (AttributeError, KeyError):
compressed = True
if not use_local_nodes:
node_map = def_node_map
try:
unparsed = isinstance(part.triangles.STEPTREE.data,
bytearray)
except Exception:
unparsed = False
# TODO: Make this work in meta(parse verts and tris)
try:
if compressed and unparsed:
vert_data = part.compressed_vertices.STEPTREE.data
for off in range(0, len(vert_data), 32):
v = comp_vert_unpacker(vert_data, off)
n = v[3]
ni = (n & 1023) / 1023
nj = ((n >> 11) & 1023) / 1023
nk = ((n >> 22) & 511) / 511
if (n >> 10) & 1: ni = ni - 1.0
if (n >> 21) & 1: nj = nj - 1.0
if (n >> 31) & 1: nk = nk - 1.0
verts.append(
JmsVertex(v[8] // 3, v[0] * 100,
v[1] * 100, v[2] * 100, ni,
nj, nk, v[9] // 3,
1.0 - (v[10] / 32767),
u_scale * v[6] / 32767, 1.0 -
v_scale * v[7] / 32767))
elif compressed:
for v in part.compressed_vertices.STEPTREE:
n = v[3]
ni = (n & 1023) / 1023
nj = ((n >> 11) & 1023) / 1023
nk = ((n >> 22) & 511) / 511
if (n >> 10) & 1: ni = ni - 1.0
if (n >> 21) & 1: nj = nj - 1.0
if (n >> 31) & 1: nk = nk - 1.0
verts.append(
JmsVertex(v[8] // 3, v[0] * 100,
v[1] * 100, v[2] * 100, ni,
nj, nk, v[9] // 3,
1.0 - (v[10] / 32767),
u_scale * v[6] / 32767, 1.0 -
v_scale * v[7] / 32767))
elif not compressed and unparsed:
vert_data = part.uncompressed_vertices.STEPTREE.data
for off in range(0, len(vert_data), 68):
v = uncomp_vert_unpacker(vert_data, off)
verts.append(
JmsVertex(node_map[v[14]], v[0] * 100,
v[1] * 100, v[2] * 100, v[3],
v[4], v[5], node_map[v[15]],
max(0, min(1, v[17])),
u_scale * v[12],
1.0 - v_scale * v[13]))
else:
for v in part.uncompressed_vertices.STEPTREE:
verts.append(
JmsVertex(node_map[v[14]], v[0] * 100,
v[1] * 100, v[2] * 100, v[3],
v[4], v[5], node_map[v[15]],
max(0, min(1, v[17])),
u_scale * v[12],
1.0 - v_scale * v[13]))
except Exception:
print(format_exc())
print("If you see this, tell Moses to stop "
"f*****g with the vertex definition.")
try:
if unparsed:
tri_block = part.triangles.STEPTREE.data
tri_list = [-1] * (len(tri_block) // 2)
for i in range(len(tri_list)):
# assuming big endian
tri_list[i] = (tri_block[i * 2 + 1] +
(tri_block[i * 2] << 8))
if tri_list[i] > 32767:
tri_list[i] = -1
else:
tri_block = part.triangles.STEPTREE
tri_list = []
for triangle in tri_block:
tri_list.extend(triangle)
swap = True
for i in range(len(tri_list) - 2):
v0 = tri_list[i]
v1 = tri_list[i + 1 + swap]
v2 = tri_list[i + 2 - swap]
if v0 != -1 and v1 != -1 and v2 != -1:
# remove degens
if v0 != v1 and v0 != v2 and v1 != v2:
tris.append(
JmsTriangle(
region_index, shader_index,
v0 + v_origin, v1 + v_origin,
v2 + v_origin))
swap = not swap
except Exception:
print(format_exc())
print("Could not parse triangle blocks.")
jms_model = JmsModel(jms_name, tagdata.node_list_checksum, nodes,
materials, markers, regions, verts, tris)
if do_write_jms:
write_jms(filepath, jms_model)
else:
jms_models.append(jms_model)
return jms_models