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* Fix #478: Add Matrix4x4Converter to prevent Cinemachine serialization crash The `get_components` action crashes Unity when serializing Cinemachine camera components because Newtonsoft.Json accesses computed Matrix4x4 properties (lossyScale, rotation) that call ValidTRS() on non-TRS matrices. This fix adds a safe Matrix4x4Converter that only accesses raw matrix elements (m00-m33), avoiding the dangerous computed properties entirely. Changes: - Add Matrix4x4Converter to UnityTypeConverters.cs - Register converter in GameObjectSerializer serializer settings Tested with Cinemachine 3.1.5 on Unity 6 - get_components now returns full component data without crashing. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Add unit tests for Matrix4x4Converter Tests cover: - Identity matrix serialization/deserialization - Translation matrix round-trip - Degenerate matrix (determinant=0) - key regression test - Non-TRS matrix (projection) - validates ValidTRS() is never called - Null handling - Ensures dangerous properties are not in output 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Address code review feedback - Fix null handling consistency: return zero matrix instead of identity (consistent with missing field defaults of 0f) - Improve degenerate matrix test to verify: - JSON only contains raw mXY properties - Values roundtrip correctly - Rename test to reflect expanded coverage 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Move tests to TestProject per review feedback Moved Matrix4x4ConverterTests from MCPForUnity/Editor/Tests/ to TestProjects/UnityMCPTests/Assets/Tests/EditMode/Helpers/ as requested. Also added MCPForUnity.Runtime reference to the test asmdef since the converter lives in the Runtime assembly. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Fix Matrix4x4 deserialization guard + UI Toolkit USS warning --------- Co-authored-by: Alexander Mangel <cygnusfear@gmail.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> |
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