io_scene_psk_psa/AGENTS.md

AGENTS.md

This is an Blender addon for importing and exporting Unreal Engine PSK (skeletal mesh) and PSX (animation) files.

PSK/PSA File Format Notes

• PSK and PSA bone hierarchies must have a single root bone. The root bone's parent_index is always 0.
• All indices in PSK/PSX files are zero-based.
• All string fields in PSK/PSX files use Windows-1252 encoding and are null-terminated if they do not use the full length of the field.
• Bone transforms are in parent bone space, except for root bones, which are in world space.

Naming Conventions

• The PSX prefix is used when refer to concepts that are shared between PSK and PSX files.