`NAVM` Record – Navigation Mesh

NAVM record type.

Classes:

NAVM(flags, id[, revision, version, ...])

Navigation Mesh.

class NAVM(flags, id, revision=0, version=15, unknown=b'\x00\x00', data=[])[source]

Bases: Record

Navigation Mesh.

Parameters

flags (int)
id (bytes)
revision (int) – Default 0.
version (int) – Default 15.
unknown (bytes) – Default b'\x00\x00'.
data (List[RecordType]) – Default [].

Classes:

`DATA`(cell, vertex_count, triangle_count, ...)	Data.
`NVCA`([iterable])	Unknown.
`NVDP`([iterable])	Doors.
`NVER`(args, *kwargs)	Version.
`NVGD`([cstring])	NavMesh Grid.
`NVTR`([iterable])	Triangles.
`NVVX`([iterable])	Vertices.
`NvdpDoor`(reference, unknown, unused)	Individual element in `NVDP`.
`NvtrTriangle`(vertex1, vertex2, vertex3, ...)	Individual element in `NVTR`.
`NvvxVertex`(x, y, z)	Individual element in `NVVX`.

Attributes:

`data`	Subrecords of this record.
`flags`	Record flags
`id`	4-byte form ID
`revision`	Used for revision control by the Creation Kit, if enabled.
`unknown`
`version`	Form version

Methods:

parse_subrecords(raw_bytes)

Parse this record's subrecords.

class DATA(cell, vertex_count, triangle_count, external_connections_count, nvca_count, doors_count)[source]

Bases: StructRecord

Data.

Parameters

cell (bytes) – Form ID of a CELL record.
vertex_count (int)
triangle_count (int)
external_connections_count (int)
nvca_count (int)
doors_count (int)

Attributes:

`cell`	Form ID of a `CELL` record.
`doors_count`
`external_connections_count`
`nvca_count`
`triangle_count`
`vertex_count`

Methods:

`get_field_names`()	Returns a list of attributes on this class in the order they should be packed.
`get_struct_and_size`()	Returns the pack/unpack struct string and the corresponding size.

cell

Type: bytes

Form ID of a CELL record.

doors_count: Type: int

external_connections_count: Type: int

static get_field_names()[source]

Returns a list of attributes on this class in the order they should be packed.

Return type: Tuple[str, …]

static get_struct_and_size()[source]

Returns the pack/unpack struct string and the corresponding size.

Return type: Tuple[str, int]

nvca_count: Type: int

triangle_count: Type: int

vertex_count: Type: int

class NVCA(iterable=(), /)[source]

Bases: List[int], RecordType

Unknown.

Unknown, may be triangle IDs.

Methods:

`parse`(raw_bytes)	Parse this subrecord.
`unparse`()	Turn this subrecord back into raw bytes for an ESP file.

classmethod parse(raw_bytes)[source]

Parse this subrecord.

Parameters: raw_bytes (BytesIO) – Raw bytes for this record
Return type: Self

unparse()[source]

Turn this subrecord back into raw bytes for an ESP file.

Return type: bytes

class NVDP(iterable=(), /)[source]

Bases: List[NvdpDoor], RecordType

Doors.

Methods:

`parse`(raw_bytes)	Parse this subrecord.
`unparse`()	Turn this subrecord back into raw bytes for an ESP file.

classmethod parse(raw_bytes)[source]

Parse this subrecord.

Parameters: raw_bytes (BytesIO) – Raw bytes for this record
Return type: Self

unparse()[source]

Turn this subrecord back into raw bytes for an ESP file.

Return type: bytes

class NVER(*args, **kwargs)[source]

Bases: Uint32Record

Version.

class NVGD(cstring: Union[str, bytes] = b'')[source]

Bases: RawBytesRecord

NavMesh Grid.

class NVTR(iterable=(), /)[source]

Bases: List[NvtrTriangle], RecordType

Triangles.

Methods:

`parse`(raw_bytes)	Parse this subrecord.
`unparse`()	Turn this subrecord back into raw bytes for an ESP file.

classmethod parse(raw_bytes)[source]

Parse this subrecord.

Parameters: raw_bytes (BytesIO) – Raw bytes for this record
Return type: Self

unparse()[source]

Turn this subrecord back into raw bytes for an ESP file.

Return type: bytes

class NVVX(iterable=(), /)[source]

Bases: List[NvvxVertex], RecordType

Vertices.

Methods:

`parse`(raw_bytes)	Parse this subrecord.
`unparse`()	Turn this subrecord back into raw bytes for an ESP file.

classmethod parse(raw_bytes)[source]

Parse this subrecord.

Parameters: raw_bytes (BytesIO) – Raw bytes for this record
Return type: Self

unparse()[source]

Turn this subrecord back into raw bytes for an ESP file.

Return type: bytes

namedtuple NvdpDoor(reference, unknown, unused)[source]

Bases: NamedTuple

Individual element in NVDP.

Fields

reference (bytes) – Form ID of a REFR record.
unknown (int) – Alias for field number 1
unused (bytes) – Alias for field number 2

pack()[source]

Pack the NvdpDoor to bytes.

Return type: bytes

classmethod unpack(raw_bytes)[source]

Unpack bytes for the NvtrTriangle.

Parameters: raw_bytes (BytesIO)
Return type: Self

namedtuple NvtrTriangle(vertex1, vertex2, vertex3, edge_vertices_12, edge_vertices_23, edge_vertices_31, flags)[source]

Bases: NamedTuple

Individual element in NVTR.

Fields

vertex1 (int) – Alias for field number 0
vertex2 (int) – Alias for field number 1
vertex3 (int) – Alias for field number 2
edge_vertices_12 (int) – Alias for field number 3
edge_vertices_23 (int) – Alias for field number 4
edge_vertices_31 (int) – Alias for field number 5
flags (int) – Alias for field number 6

pack()[source]

Pack the NvtrTriangle to bytes.

Return type: bytes

classmethod unpack(raw_bytes)[source]

Unpack bytes for the NvtrTriangle.

Parameters: raw_bytes (BytesIO)
Return type: Self

namedtuple NvvxVertex(x, y, z)[source]

Bases: NamedTuple

Individual element in NVVX.

Fields

x (float) – Alias for field number 0
y (float) – Alias for field number 1
z (float) – Alias for field number 2

pack()[source]

Pack the NvvxVertex to bytes.

Return type: bytes

classmethod unpack(raw_bytes)[source]

Unpack bytes for the NvvxVertex.

Parameters: raw_bytes (BytesIO)
Return type: Self

data: Type: List[RecordType]

flags: Type: int

id: Type: bytes

classmethod parse_subrecords(raw_bytes)[source]

Parse this record’s subrecords.

Parameters: raw_bytes (BytesIO) – Raw bytes for this record’s subrecords
Return type: Iterator[RecordType]

revision: Type: int

unknown: Type: bytes

version: Type: int