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# Changelog – Version 0.3.0 ## Features - Implemented a precise, VoxelShape-based greedy meshing system for terrain. - Added a performant two-phase buoyancy system for objects in water. - Implemented a dedicated renderer system for physics bodies. - Enabled Continuous Collision Detection (CCD) for cars and bikes to improve high-speed collision accuracy. - Implemented robust data corruption resistance for saving and loading. - Improved physics body synchronization through a revamped chunk tracking system. - Differentiated driver and passenger seat debug hitboxes by color for better visibility. - Added the ability for the `PhysicsCreatorItem` to spawn bodies in an active state directly. - Added explicit player tracking to better manage interactions. - Added overloads for creating bodies with a definable initial activation state. - Added a hook that is triggered on sync data updates. - Added `getJoltBody` overloads to support direct access via `bodyId`. ## Fixes - Separated client-only code to prevent `ClassNotFoundException` on dedicated servers. - Refined buoyancy calculation by averaging fluid surface height for smoother object movement. - Improved buoyancy broadphase accuracy by iterating over all AABB blocks instead of sampling. - Fixed a rare `ClassCastException` when growing EMotionType arrays in JNI-bound code. - Corrected force application to ensure buoyancy acts relative to the center of mass. - Applied linear drag at the center of buoyancy, improving torque behavior and rotation stability. - Corrected the view vector calculation while riding physics vehicles. - Resolved clipping issues by ensuring atomic body updates. - Fixed various deadlocks related to persistence, terrain interactions, and body activation. - Resolved race conditions and large coordinate packing errors. - Prevented a server crash caused by mishandling client-only fields. - Ensured that inactive bodies correctly synchronize their initial state. - Bodies and constraints are now correctly persisted during a world save. - Sleeping bodies are now correctly activated for buoyancy forces. - Prevented the immediate activation of newly created bodies for more consistent behavior. - Fixed an issue that caused arm swinging when using the `PhysicsCreatorItem`. - Removed the malfunctioning `PhysicsRemover`. - Downgraded verbose info logs to the debug level to reduce console clutter. - Prevented a crash on body removal by safely calculating cluster bounds. - Made minor corrections to field names, encoding issues, and JavaDoc formatting. - Updated acknowledgments with the correct JoltJNI link and naming conventions. ## Refactors & Architecture - Overhauled the mounting system, consolidated Mixins, and improved the overall code structure. - Unified client and server physics bodies into a single `VxBody` hierarchy. - Centralized physics pause logic into a global utility. - Simplified object management by removing the `VxUpdateContext`. - Centralized seat registration via the `VxMountable` interface. - Switched the persistence logic from an event-based system to Minecraft hooks for improved reliability. - Converted `VxClientMountingManager` to an enum singleton to improve code structure. - Overhauled the buoyancy pipeline for more stable and realistic flotation behavior. - Ensured clean separation between client and server logic to maintain compatibility and prevent runtime issues. ## Performance - Refactored to a data-oriented design for improved performance and lower garbage collector load. - Implemented a grid-based clustering system for massively scalable large-scale terrain tracking. - I/O tasks for bodies and constraints are now bundled to reduce disk activity. - Implemented caching for `BoxShapeSettings`, terrain shapes, and AABBs in the data store to accelerate terrain tracking. - Refactored the buoyancy system using Structure of Arrays (SoA) and double buffering for better data locality and parallelism. - Cached body motion types in the data store to eliminate redundant JNI calls per tick. ## Tuning - Increased position and velocity iteration counts for a more stable physics simulation. - Increased `OBJECTS_PER_TICK` in the `VxTerrainTracker` to 512 for higher throughput. ## Miscellaneous - Polished internal naming and consistency across buoyancy and physics systems. - Updated documentation and numerous JavaDocs for clarity and completeness. - Added English names for the "Box Thrower" and "Magnetizer." - Cleaned up unnecessary code and renamed mixins to match the new project structure. - Added author and license headers to relevant files.