def _export_textures_and_materials(blender_objects, saved_mod):
textures = get_textures_from_blender_objects(blender_objects)
blender_materials = get_materials_from_blender_objects(blender_objects)
textures_array = ((ctypes.c_char * 64) * len(textures))()
materials_data_array = (MaterialData * len(blender_materials))()
for i, texture in enumerate(textures):
file_name = os.path.basename(texture.image.filepath)
try:
file_path = ntpath.join(texture.albam_imported_texture_folder, file_name)
except AttributeError:
raise ExportError('Texture {0} was not imported from an Arc file'.format(texture.name))
try:
file_path, _ = ntpath.splitext(file_path)
textures_array[i] = (ctypes.c_char * 64)(*file_path.encode('ascii'))
except UnicodeEncodeError:
raise ExportError('Texture path {} is not in ascii'.format(file_path))
if len(file_path) > 64:
# TODO: what if relative path are used?
raise ExportError('File path to texture {} is longer than 64 characters'
.format(file_path))
for i, mat in enumerate(blender_materials):
material_data = MaterialData()
try:
# TODO: Should use data from actual blender material
saved_mat = saved_mod.materials_data_array[i]
except IndexError:
raise ExportError('Exporting models with more materials than the original not supported yet')
material_data.unk_01 = saved_mat.unk_01
material_data.unk_02 = saved_mat.unk_02
material_data.unk_03 = saved_mat.unk_03
material_data.unk_04 = saved_mat.unk_04
material_data.unk_05 = saved_mat.unk_05
material_data.unk_06 = saved_mat.unk_06
material_data.unk_07 = saved_mat.unk_07
for texture_slot in mat.texture_slots:
if not texture_slot:
continue
texture = texture_slot.texture
if not texture:
# ?
continue
# texture_indices expects index-1 based
try:
texture_index = textures.index(texture) + 1
except ValueError:
# TODO: logging
print('error in textures')
material_data.texture_indices[texture.albam_imported_texture_type] = texture_index
materials_data_array[i] = material_data
return textures_array, materials_data_array
def _export_textures_and_materials(blender_objects, saved_mod):
textures = get_textures_from_blender_objects(blender_objects)
blender_materials = get_materials_from_blender_objects(blender_objects)
textures_array = ((ctypes.c_char * 64) * len(textures))()
materials_data_array = (MaterialData * len(blender_materials))()
for i, texture in enumerate(textures):
file_name = os.path.basename(texture.image.filepath)
try:
file_path = ntpath.join(texture.albam_imported_texture_folder,
file_name)
except AttributeError:
raise ExportError(
'Texture {0} was not imported from an Arc file'.format(
texture.name))
try:
file_path, _ = ntpath.splitext(file_path)
textures_array[i] = (ctypes.c_char *
64)(*file_path.encode('ascii'))
except UnicodeEncodeError:
raise ExportError(
'Texture path {} is not in ascii'.format(file_path))
if len(file_path) > 64:
# TODO: what if relative path are used?
raise ExportError(
'File path to texture {} is longer than 64 characters'.format(
file_path))
for i, mat in enumerate(blender_materials):
material_data = MaterialData()
try:
# TODO: Should use data from actual blender material
saved_mat = saved_mod.materials_data_array[i]
except IndexError:
raise ExportError(
'Exporting models with more materials than the original not supported yet'
)
material_data.unk_01 = saved_mat.unk_01
material_data.unk_02 = saved_mat.unk_02
material_data.unk_03 = saved_mat.unk_03
material_data.unk_04 = saved_mat.unk_04
material_data.unk_05 = saved_mat.unk_05
material_data.unk_06 = saved_mat.unk_06
material_data.unk_07 = saved_mat.unk_07
for texture_slot in mat.texture_slots:
if not texture_slot:
continue
texture = texture_slot.texture
if not texture:
# ?
continue
# texture_indices expects index-1 based
try:
texture_index = textures.index(texture) + 1
except ValueError:
# TODO: logging
print('error in textures')
material_data.texture_indices[
texture.albam_imported_texture_type] = texture_index
materials_data_array[i] = material_data
return textures_array, materials_data_array
def _export_meshes(blender_objects, bounding_box, saved_mod):
"""
No weird optimization or sharing of offsets in the vertex buffer.
All the same offsets, different positions like pl0200.mod from
uPl01ShebaCos1.arc
No time to investigate why and how those are decided. I suspect it might have to
do with location of the meshes
"""
all_blender_meshes_objects = [
ob for ob in blender_objects if ob.type == 'MESH' or ob.type == 'EMPTY'
]
passed_blender_meshes_objects = [
ob for ob in all_blender_meshes_objects if ob.type == 'MESH'
]
meshes_156 = (Mesh156 * len(passed_blender_meshes_objects))()
vertex_buffer = bytearray()
index_buffer = bytearray()
materials = get_materials_from_blender_objects(blender_objects)
vertex_position = 0
face_position = 0
failed_count = 0
for i, blender_mesh_object in enumerate(all_blender_meshes_objects):
# XXX: if a model with more meshes than the original is exported... boom
# If somehow indices are changed... boom
try:
saved_mesh = saved_mod.meshes_array[i]
except IndexError:
raise ExportError(
'Exporting models with more meshes (parts) than the original not supported yet'
)
# Failed meshes are imported as empties, since the only reason they fail is that they have out of bounds
# array offsets (e.g. uEm41.arc em4000.mod), we can't retrieve any vertices since we'd mess up the vertex buffer
if blender_mesh_object.type == 'EMPTY':
failed_count += 1
continue
blender_mesh = blender_mesh_object.data
vertex_format, vertices_array = _export_vertices(
blender_mesh_object, bounding_box, saved_mod, i)
vertex_buffer.extend(vertices_array)
# TODO: is all this format conversion necessary?
triangle_strips_python = triangles_list_to_triangles_strip(
blender_mesh)
# mod156 use global indices for verts, in case one only mesh is needed, probably
triangle_strips_python = [
e + vertex_position for e in triangle_strips_python
]
triangle_strips_ctypes = (ctypes.c_ushort *
len(triangle_strips_python))(
*triangle_strips_python)
index_buffer.extend(triangle_strips_ctypes)
vertex_count = len(blender_mesh.vertices)
index_count = len(triangle_strips_python)
m156 = meshes_156[i - failed_count]
try:
m156.material_index = materials.index(blender_mesh.materials[0])
except IndexError:
raise ExportError('Mesh {} has no materials'.format(
blender_mesh.name))
m156.constant = 1
m156.level_of_detail = saved_mesh.level_of_detail # TODO
m156.vertex_format = CLASSES_TO_VERTEX_FORMATS[vertex_format]
m156.vertex_stride = 32
m156.vertex_count = vertex_count
m156.vertex_index_end = vertex_position + vertex_count - 1
m156.vertex_index_start_1 = vertex_position
m156.vertex_offset = 0
m156.face_position = face_position
m156.face_count = index_count
m156.face_offset = 0
m156.vertex_index_start_2 = vertex_position
m156.vertex_group_count = saved_mesh.vertex_group_count # len(blender_mesh_object.vertex_groups)
# XXX: improve, not guaranteed if the weighting is modified (e.g. replacing a model)
m156.bone_palette_index = saved_mesh.bone_palette_index
# TODO: not using saved_mesh since it seems these are optional. Needs research
m156.group_index = saved_mesh.group_index
m156.unk_01 = saved_mesh.unk_01
# m156.unk_02 = saved_mesh.unk_02 # crashes if set to saved_mesh.unk_02 in ChrisNormal
m156.unk_03 = saved_mesh.unk_03
m156.unk_04 = saved_mesh.unk_04
m156.unk_05 = saved_mesh.unk_05
m156.unk_06 = saved_mesh.unk_06
m156.unk_07 = saved_mesh.unk_07
m156.unk_08 = saved_mesh.unk_08
m156.unk_09 = saved_mesh.unk_09
m156.unk_10 = saved_mesh.unk_10
m156.unk_11 = saved_mesh.unk_11
vertex_position += vertex_count
face_position += index_count
vertex_buffer = (ctypes.c_ubyte *
len(vertex_buffer)).from_buffer(vertex_buffer)
index_buffer = (ctypes.c_ushort *
(len(index_buffer) // 2)).from_buffer(index_buffer)
return meshes_156, vertex_buffer, index_buffer
def _export_meshes(blender_objects, bounding_box, saved_mod):
"""
No weird optimization or sharing of offsets in the vertex buffer.
All the same offsets, different positions like pl0200.mod from
uPl01ShebaCos1.arc
No time to investigate why and how those are decided. I suspect it might have to
do with location of the meshes
"""
all_blender_meshes_objects = [ob for ob in blender_objects if ob.type == 'MESH' or ob.type == 'EMPTY']
passed_blender_meshes_objects = [ob for ob in all_blender_meshes_objects if ob.type == 'MESH']
meshes_156 = (Mesh156 * len(passed_blender_meshes_objects))()
vertex_buffer = bytearray()
index_buffer = bytearray()
materials = get_materials_from_blender_objects(blender_objects)
vertex_position = 0
face_position = 0
failed_count = 0
for i, blender_mesh_object in enumerate(all_blender_meshes_objects):
# XXX: if a model with more meshes than the original is exported... boom
# If somehow indices are changed... boom
try:
saved_mesh = saved_mod.meshes_array[i]
except IndexError:
raise ExportError('Exporting models with more meshes (parts) than the original not supported yet')
# Failed meshes are imported as empties, since the only reason they fail is that they have out of bounds
# array offsets (e.g. uEm41.arc em4000.mod), we can't retrieve any vertices since we'd mess up the vertex buffer
if blender_mesh_object.type == 'EMPTY':
failed_count += 1
continue
blender_mesh = blender_mesh_object.data
vertex_format, vertices_array = _export_vertices(blender_mesh_object, bounding_box,
saved_mod, i)
vertex_buffer.extend(vertices_array)
# TODO: is all this format conversion necessary?
triangle_strips_python = triangles_list_to_triangles_strip(blender_mesh)
# mod156 use global indices for verts, in case one only mesh is needed, probably
triangle_strips_python = [e + vertex_position for e in triangle_strips_python]
triangle_strips_ctypes = (ctypes.c_ushort * len(triangle_strips_python))(*triangle_strips_python)
index_buffer.extend(triangle_strips_ctypes)
vertex_count = len(blender_mesh.vertices)
index_count = len(triangle_strips_python)
m156 = meshes_156[i - failed_count]
try:
m156.material_index = materials.index(blender_mesh.materials[0])
except IndexError:
raise ExportError('Mesh {} has no materials'.format(blender_mesh.name))
m156.constant = 1
m156.level_of_detail = saved_mesh.level_of_detail # TODO
m156.vertex_format = CLASSES_TO_VERTEX_FORMATS[vertex_format]
m156.vertex_stride = 32
m156.vertex_count = vertex_count
m156.vertex_index_end = vertex_position + vertex_count - 1
m156.vertex_index_start_1 = vertex_position
m156.vertex_offset = 0
m156.face_position = face_position
m156.face_count = index_count
m156.face_offset = 0
m156.vertex_index_start_2 = vertex_position
m156.vertex_group_count = saved_mesh.vertex_group_count # len(blender_mesh_object.vertex_groups)
# XXX: improve, not guaranteed if the weighting is modified (e.g. replacing a model)
m156.bone_palette_index = saved_mesh.bone_palette_index
# TODO: not using saved_mesh since it seems these are optional. Needs research
m156.group_index = saved_mesh.group_index
m156.unk_01 = saved_mesh.unk_01
# m156.unk_02 = saved_mesh.unk_02 # crashes if set to saved_mesh.unk_02 in ChrisNormal
m156.unk_03 = saved_mesh.unk_03
m156.unk_04 = saved_mesh.unk_04
m156.unk_05 = saved_mesh.unk_05
m156.unk_06 = saved_mesh.unk_06
m156.unk_07 = saved_mesh.unk_07
m156.unk_08 = saved_mesh.unk_08
m156.unk_09 = saved_mesh.unk_09
m156.unk_10 = saved_mesh.unk_10
m156.unk_11 = saved_mesh.unk_11
vertex_position += vertex_count
face_position += index_count
vertex_buffer = (ctypes.c_ubyte * len(vertex_buffer)).from_buffer(vertex_buffer)
index_buffer = (ctypes.c_ushort * (len(index_buffer) // 2)).from_buffer(index_buffer)
return meshes_156, vertex_buffer, index_buffer
