diff --git a/docs/DEVELOPER_GUIDE.md b/docs/DEVELOPER_GUIDE.md index 514413c..ec2856b 100644 --- a/docs/DEVELOPER_GUIDE.md +++ b/docs/DEVELOPER_GUIDE.md @@ -1,3 +1,29 @@ +# Future Risks & Priorities (6–12 Months) + +As Starworld grows, the following risks and challenges will become increasingly important for developers: + +- **Performance Scaling:** O(n) transform updates and distance queries will not scale for large scenes. Deep hierarchies and lack of spatial indexing will limit performance. +- **Memory/Data Layout:** Inefficient memory layout or fragmentation from dynamic hierarchies can degrade performance. +- **Concurrency & Synchronization:** Multithreading will require robust synchronization to avoid race conditions and data corruption. +- **Lifecycle & Ownership:** Deletion and reparenting in hierarchies can cause dangling references or orphaned children, especially across FFI boundaries. +- **API Misuse:** Cycles or invalid parent/child states can cause subtle bugs or crashes if not checked. +- **Spatial Query Correctness:** Queries may become stale or incorrect if transforms are not updated atomically. +- **XR Performance:** High frame rates and low latency are critical; entity and query systems must be highly optimized. +- **Security/Authority:** In multi-user/networked scenarios, lack of permissions or rate-limiting could allow abuse. +- **Extensibility:** As more systems (physics, networking, etc.) are added, poor separation of concerns could hinder future growth. +- **Testing/Debugging:** More features and edge cases will make testing and debugging harder without good tools. + +## Recommended Priorities +- **Spatial Indexing:** Integrate a spatial data structure (octree, k-d tree, etc.) for fast queries. Update incrementally as entities move. +- **Hierarchy Traversal:** Use dirty flags for transforms and consider breadth-first traversal for deep hierarchies. +- **Lifecycle Invariants:** Prevent cycles, define deletion/reparenting behavior, and add runtime checks. +- **FFI Safety:** Ensure safe memory and ownership across Rust/C++. +- **Concurrency:** Design for thread safety and test with simulated concurrent updates/queries. +- **API Hardening:** Clearly document constraints and provide safe helpers/utilities. +- **XR Profiling:** Benchmark with XR workloads and optimize for frame time and memory. +- **Security:** Add permission models and rate-limiting for entity operations in multi-user mode. +- **Testing & Tooling:** Add deep hierarchy/reparenting tests, fuzzing, and scene graph/query inspectors. +- **Architecture:** Plan for modularity and extensibility to support future systems cleanly. # Starworld Developer Quick Reference ## Build Commands diff --git a/docs/IMPLEMENTATION_SUMMARY.md b/docs/IMPLEMENTATION_SUMMARY.md index 3149fc9..c289e31 100644 --- a/docs/IMPLEMENTATION_SUMMARY.md +++ b/docs/IMPLEMENTATION_SUMMARY.md @@ -372,12 +372,33 @@ make -j$(nproc) -## Future Work -- Color/texture visual application (StardustXR API extension) -- ATP protocol support (Overte asset server) -- More entity types (Text, Light, Zone, etc.) -- See IMPLEMENTATION_COMPLETE.md for priorities +## Future Risks & Priorities (6–12 Months) + +As Starworld evolves, the following risks and challenges will become increasingly important: + +- **Performance Scaling:** O(n) transform updates and distance queries will not scale for large scenes. Deep hierarchies and lack of spatial indexing will limit performance. +- **Memory/Data Layout:** Inefficient memory layout or fragmentation from dynamic hierarchies can degrade performance. +- **Concurrency & Synchronization:** Multithreading will require robust synchronization to avoid race conditions and data corruption. +- **Lifecycle & Ownership:** Deletion and reparenting in hierarchies can cause dangling references or orphaned children, especially across FFI boundaries. +- **API Misuse:** Cycles or invalid parent/child states can cause subtle bugs or crashes if not checked. +- **Spatial Query Correctness:** Queries may become stale or incorrect if transforms are not updated atomically. +- **XR Performance:** High frame rates and low latency are critical; entity and query systems must be highly optimized. +- **Security/Authority:** In multi-user/networked scenarios, lack of permissions or rate-limiting could allow abuse. +- **Extensibility:** As more systems (physics, networking, etc.) are added, poor separation of concerns could hinder future growth. +- **Testing/Debugging:** More features and edge cases will make testing and debugging harder without good tools. + +### Recommended Priorities +- **Spatial Indexing:** Integrate a spatial data structure (octree, k-d tree, etc.) for fast queries. Update incrementally as entities move. +- **Hierarchy Traversal:** Use dirty flags for transforms and consider breadth-first traversal for deep hierarchies. +- **Lifecycle Invariants:** Prevent cycles, define deletion/reparenting behavior, and add runtime checks. +- **FFI Safety:** Ensure safe memory and ownership across Rust/C++. +- **Concurrency:** Design for thread safety and test with simulated concurrent updates/queries. +- **API Hardening:** Clearly document constraints and provide safe helpers/utilities. +- **XR Profiling:** Benchmark with XR workloads and optimize for frame time and memory. +- **Security:** Add permission models and rate-limiting for entity operations in multi-user mode. +- **Testing & Tooling:** Add deep hierarchy/reparenting tests, fuzzing, and scene graph/query inspectors. +- **Architecture:** Plan for modularity and extensibility to support future systems cleanly. ---