def _format(self, context, element, my_res, children_res) -> "str or None":
"""Format to FDS notation. On error raise BFException."""
# Expected output:
# ! Me: Message < my_res.labels
# ! Me: Children1: Message < body < children_res values
# Children1 body
# ! Me: Children2: Message
# Children2 body
# My value < my_res.value
return "".join((
fds_format.to_comment(my_res.labels),
"".join(child_res.value or str() for child_res in children_res or tuple()), # child_res.value could be None
my_res.value or str(), # my_res.value could be None
))
def _format(self, context, element, my_res, children_res) -> "str or None":
"""Format to FDS notation. On error raise BFException."""
# Expected output:
# ! OBST: Message < my_res.labels
# ! OBST: ID: Message + children labels (from self.bf_props)
# ! OBST: XB: Message
# &OBST ID='example' XB=... /\n < body < c_multivalue[0] + c_value
# &OBST ID='example' XB=... /\n c_multivalue[1] + c_value
# &XXXX P1=... /\n < my_res.value
# Append children messages to my messages (children are self.bf_props)
my_res.msgs.extend(label for child_res in children_res for label in child_res.labels)
# Search and extract the first (and should be only) multivalue from children values
child_multivalues = None
for child_res in children_res:
if isiterable(child_res.value):
# Set the multivalue and remove multivalue child_res from single value children_res
child_multivalues = child_res.value
children_res.remove(child_res)
# Each multivalue contains its multi ID, then remove ordinary single ID sent by "bf_id"
children_res.remove(children_res["bf_id"])
break
# Set fds_label: use self.fds_label or last children_res value, that should be bf_free
# When using last children value, remove child from BFList
if self.fds_label: fds_label = self.fds_label
else: fds_label = children_res.pop().value
# Join children values
children_value = " ".join(child_res.value for child_res in children_res if child_res.value)
# Build body: When multivalue exists, ID is embedded into each child_multivalue;
# else ID is embedded into children_value
if child_multivalues: body = "".join("&{} {} {} /\n".format(
fds_label, child_multivalue, children_value,
) for child_multivalue in child_multivalues
)
else: body = "&{} {} /\n".format(fds_label, children_value)
# Return
return "".join((
fds_format.to_comment(my_res.labels),
body,
my_res.value or str(), # my_res.value could be None
))
def scene_to_fds(operator, context, filepath=""):
"""Export current Blender Scene to an FDS case file"""
# Init
t0 = time.time()
w = context.window_manager.windows[0]
w.cursor_modal_set("WAIT")
to_fds_error = False
to_ge1_error = False
if not filepath.lower().endswith('.fds'): filepath += '.fds'
filepath = bpy.path.abspath(filepath)
sc = context.scene
# Prepare FDS filepath
print(
"BFDS: io.scene_to_fds: Exporting current scene to FDS case file: {}".
format(sc.name))
if not utilities.is_writable(filepath):
w.cursor_modal_restore()
operator.report({"ERROR"}, "FDS file not writable, cannot export")
return {'CANCELLED'}
# Prepare FDS file
fds_file = fds_format.to_comment((
"Generated by BlenderFDS {} on Blender {}".format(
version.blenderfds_version_string,
version.blender_version_string,
),
"Date: {}".format(
time.strftime("%a, %d %b %Y, %H:%M:%S", time.localtime()), ),
"File: {}".format(bpy.data.filepath, ),
" ",
))
try:
fds_file += sc.to_fds(context=context)
except BFException as err:
fds_file += "".join(("ERROR: {}\n".format(msg) for msg in err.labels))
to_fds_error = True
# Write FDS file
fds_file += fds_format.to_comment(
("Generated in {0:.0f} s.".format(time.time() - t0), ))
if not utilities.write_to_file(filepath, fds_file):
w.cursor_modal_restore()
operator.report({"ERROR"}, "FDS file not writable, cannot export")
return {'CANCELLED'}
# Prepare GE1 filepath (always export!)
print(
"BFDS: io.scene_to_fds: Exporting current scene to GE1 render file: {}"
.format(sc.name))
filepath = filepath[:-4] + '.GE1'
if not utilities.is_writable(filepath):
w.cursor_modal_restore()
operator.report({"ERROR"}, "GE1 file not writable, cannot export")
return {'CANCELLED'}
# Prepare GE1 file
try:
ge1_file = sc.to_ge1(context=context)
except BFException as err:
ge1_file = "".join(("ERROR: {}\n".format(msg) for msg in err.labels))
to_ge1_error = True
# Write GE1 file
if not utilities.write_to_file(filepath, ge1_file):
w.cursor_modal_restore()
operator.report({"ERROR"}, "GE1 file not writable, cannot export")
return {'CANCELLED'}
# Check errors
if to_fds_error:
w.cursor_modal_restore()
operator.report({"ERROR"}, "Errors reported, check exported FDS file")
return {'CANCELLED'}
if to_ge1_error:
w.cursor_modal_restore()
operator.report({"ERROR"}, "Errors reported, check exported GE1 file")
return {'CANCELLED'}
# End
w.cursor_modal_restore()
print("BFDS: io.scene_to_fds: End.")
operator.report({"INFO"}, "FDS File exported")
return {'FINISHED'}
def scene_to_fds(operator, context, filepath=""):
"""Export current Blender Scene to an FDS case file"""
# Init
t0 = time.time()
w = context.window_manager.windows[0]
w.cursor_modal_set("WAIT")
to_fds_error = False
to_ge1_error = False
if not filepath.lower().endswith('.fds'): filepath += '.fds'
filepath = bpy.path.abspath(filepath)
sc = context.scene
# Prepare FDS filepath
print("BFDS: io.scene_to_fds: Exporting current scene to FDS case file: {}".format(sc.name))
if not utilities.is_writable(filepath):
w.cursor_modal_restore()
operator.report({"ERROR"}, "FDS file not writable, cannot export")
return {'CANCELLED'}
# Prepare FDS file
fds_file = fds_format.to_comment((
"Generated by BlenderFDS {} on Blender {}".format(
version.blenderfds_version_string,
version.blender_version_string,
),
"Date: {}".format(
time.strftime("%a, %d %b %Y, %H:%M:%S", time.localtime()),
),
"File: {}".format(
bpy.data.filepath,
),
" ",
))
try: fds_file += sc.to_fds(context=context)
except BFException as err:
fds_file += "".join(("ERROR: {}\n".format(msg) for msg in err.labels))
to_fds_error = True
# Write FDS file
fds_file += fds_format.to_comment(("Generated in {0:.0f} s.".format(time.time()-t0),))
if not utilities.write_to_file(filepath, fds_file):
w.cursor_modal_restore()
operator.report({"ERROR"}, "FDS file not writable, cannot export")
return {'CANCELLED'}
# Prepare GE1 filepath (always export!)
print("BFDS: io.scene_to_fds: Exporting current scene to GE1 render file: {}".format(sc.name))
filepath = filepath[:-4] + '.GE1'
if not utilities.is_writable(filepath):
w.cursor_modal_restore()
operator.report({"ERROR"}, "GE1 file not writable, cannot export")
return {'CANCELLED'}
# Prepare GE1 file
try: ge1_file = sc.to_ge1(context=context)
except BFException as err:
ge1_file = "".join(("ERROR: {}\n".format(msg) for msg in err.labels))
to_ge1_error = True
# Write GE1 file
if not utilities.write_to_file(filepath, ge1_file):
w.cursor_modal_restore()
operator.report({"ERROR"}, "GE1 file not writable, cannot export")
return {'CANCELLED'}
# Check errors
if to_fds_error:
w.cursor_modal_restore()
operator.report({"ERROR"}, "Errors reported, check exported FDS file")
return {'CANCELLED'}
if to_ge1_error:
w.cursor_modal_restore()
operator.report({"ERROR"}, "Errors reported, check exported GE1 file")
return {'CANCELLED'}
# End
w.cursor_modal_restore()
print("BFDS: io.scene_to_fds: End.")
operator.report({"INFO"}, "FDS File exported")
return {'FINISHED'}
