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an fbx-converter that uses a dll he directly copied out a 3d-software from Autodesk (which is quite expensive). Someone creates an asset with third-party content, e.g. In this case, the one who sells or just hands over that content to you, is the one to blame (but who can tell that he did that?).
#Autodesk fbx converter incomplete task software#
The string is not zero-terminated, and may well contain \0 characters (this is actually used in some FBX properties).Click to expand.I think, if you are using the content that was created with pirated software and you have no clue that you're doing so, no one can arrest you for that. Values other than 0,1 for Encoding have not been observed.īoth of these have the following interpretation: Size (Bytes) The buffer can for example be decoded using zlib. If Encoding is 1, the Contents is a deflate/zip-compressed buffer of length CompressedLength bytes. If Encoding is 0, the Contents is just ArrayLength times the array data type. b: Array of 1 byte Booleans (always 0 or 1)įor array types, Data is more complex: Size (Bytes).d: Array of 8 byte double-precision IEEE 754 number.f: Array of 4 byte single-precision IEEE 754 number.D: 8 byte double-precision IEEE 754 numberįor primitive scalar types the Data in the record is exactly the binary representation of the value, in little-endian byte order.
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F: 4 byte single-precision IEEE 754 number.C: 1 bit boolean (1: true, 0: false) encoded as the LSB of a 1 Byte value.Where TypeCode can be one of the following character codes, which are ordered in groups that require similar handling. This strongly hints at some FBX subtlety or format feature that not known to the authors of this document ….)Ī property record has the following memory layout: Size (Bytes) ( Note: it is not entirely clear why the NULL entry is required. Behind that object record, there is 13 zero bytes, which should then match up with the EndOffset. If so, recursively read an object record directly following the last property. To determine whether a nested list entry exists, check if there is bytes left until the EndOffset is reached. Reading a node record up to and including the properties is straightforward. NestedList is the nested list, presence of which is indicated by a NULL– record at the very end.Properties are written sequentially and with no padding. For the format, see section Property Record Format. The only case where this is 0 seems to be the lists top-level. NameLen is the length of the object name, in characters.This is the size required for storing NumProperties properties, which depends on the data type of the properties. PropertyListLen is the length of the property list.A nested list as last element is not counted as property. NumProperties is the number of properties in the value tuple associated with the node.This can be used to easily skip over unknown or not required records.
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EndOffset is the distance from the beginning of the file to the end of the node record (i.e., Īpplications have to parse the contents of these in order to access FBX geometry.Ī named node record has the following memory layout: Size (Bytes) The core hierarchical building block (node) of a text-based FBX document is NodeType: SomeProperty0a, SomeProperty0b. Knowledge of the text-based format is relevant for this document, so here is a quick writeup.