PGRD records contain information about path grids.
|Path grid data
- int32 - Grid X (exterior only)
- int32 - Grid Y (exterior only)
- uint16 - Flags. The values below are the only ones accessible via the TESCS; other values exist between the range of 0x1 and 0x4000 (with the exception of 0x4) but appear to be deprecated outside of cell [0, 0].
- 0x80 = 128 granularity
- 0x100 = 256 granularity
- 0x200 = 512 granularity
- 0x400 = 1024 granularity (Appears to be the default)
- 0x800 = 2048 granularity
- 0x1000 = 4096 granularity
- uint16 - Path point count (see PGRP)
Note: the Construction Set allows for a 44-byte version of the structure where NAME is a 32-byte null-terminated string immediately after Grid Y, rather than a field of its own. Only the 12-byte version is currently in use; the 44-byte version appears to be an older version.
||The cell name the path grid belongs to.
(16 bytes each)
|A sequential list of PathPoints:
- int32 - X
- int32 - Y
- int32 - Z
- uint8 - Flags
- 0x01 = Autogenerated
- uint8 - Connection count (number of entries in PGRC)
- uint16 - Unknown
||Connection list (also known as edges), where
TotalConnCount is the sum of all
Connection count values in the PGRP node.
For each path point listed in PGRP, there are
Connection count edges in this list, each an index into PGRP. Using Azura's Coast (12, 20) as an example, the first entry in the PGRP (index 0) the
Connection count value is 1, so you would read one uint32 from this list. That has a value of 1, so index 0 connects to index 1. For the second entry (index = 1),
Connection count is 4, so you would read the next four uint32 values: 0, 6, 3, and 2, meaning that the point at index 1 connects to the points at indices 0, 6, 3, and 2.