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fix: update implementation status document to reflect connection persistence and HMAC verification issues

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MayaTheShy
2025-11-10 01:53:32 -05:00
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docs/IMPLEMENTATION_COMPLETE.md
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@@ -1,8 +1,12 @@
# Overte to Stardust Entity Rendering - Implementation Complete
# Overte to Stardust Entity Rendering - Implementation Status
## Overview
This document summarizes the implementation work completed to enable Overte entities to be properly rendered in the StardustXR compositor. The system now supports:
This document summarizes the implementation work completed to enable Overte entities to be properly rendered in the StardustXR compositor.
**Current Status:** ⚠️ Connection establishes successfully but is terminated after 11-18 seconds due to server-side HMAC verification issues. See [NETWORK_PROTOCOL_INVESTIGATION.md](NETWORK_PROTOCOL_INVESTIGATION.md) for detailed analysis.
### Implemented ✅
✅ **Entity Type Detection** - Box, Sphere, Model, and other entity types from Overte
✅ **HTTP/HTTPS Model Downloads** - Automatic downloading and caching of 3D models
@@ -12,7 +16,18 @@ This document summarizes the implementation work completed to enable Overte enti
✅ **Dimension Support** - Entity dimensions properly applied as scale factors
✅ **Domain Connection** - Establishes connection, receives Local ID and assignment client list
✅ **Packet Protocol** - Full implementation of NLPacket format with sourcing, versioning, and sequence numbers
✅ **Connection Persistence** - Fixed Local ID byte order bug, connection now persists indefinitely
✅ **Local ID Parsing** - Fixed byte order bugs (little-endian at offset 34-35)
✅ **HMAC-MD5 Verification** - Complete implementation with OpenSSL
✅ **Packet Hash Insertion** - Proper 16-byte slot reservation and payload relocation
### Blocked / Not Working ❌
❌ **Connection Persistence** - Killed after 11-18 seconds due to HMAC verification deadlock
❌ **Server HMAC Configuration** - Server expects empty hash but packet structure requires 16 bytes
❌ **Keep-Alive Mechanism** - Cannot send valid sourced packets that server will accept
### Pending ⏳
⏳ **Color Tinting** - Data captured but not yet applied (requires asteroids API extension)
⏳ **Texture Support** - Data captured but not yet applied (requires material API)