zhenyan121 90273e87f2 refactor(gameplay): integrate model and hitbox ID system into Entity ...

- Introduce HitboxID, EntityID, and ModelID types for safer ID-based lookups
- Replace AABB struct with Hitbox (includes HitboxID)
- Convert ModelManager and HitboxManager to singletons with Handle structs
- Update Entity to store IDs for model and hitbox, removing direct references
- Reorganize creature model assets into subdirectories per entity type
- Add player model (player.glb) and collision data for pig
- Remove ModelManager dependency from App and Renderer
- Add namespace parsing utility for asset paths
- Mark sparse_vector::insert() with [[nodiscard]]

2026-07-28 14:28:22 +08:00

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player.glb

refactor(gameplay): integrate model and hitbox ID system into Entity

2026-07-28 14:28:22 +08:00