Release Notes

1.3 - Bug Fixing Patch

Fixed a large number of bugs reported by users - most of which deal with overlapping/coincident polygons or other odd cases.

Coincidence Fix: Added Conormality (triangles pointing the same way) to the definition of coincident polygons (previously, overlapping triangles pointing in opposite directions would be classified incorrectly).
Coincidence Fix: Fixed issues where “roof” polygons were being wrongly classified as “outside” due to raycasting issues.
Coincidence Fix: Fixed an issue where where axis aligned coincident triangles could not correctly decide if they were inside or outside.
Fixed three separate issues around coincident polygons
Added support for large meshes (greater than 65535 vertices). Previously, meshes with large numbers of vertices would explode due to index overflow. Large meshes will now use 32-bit index format, so they will take up twice as much disk space to store the final carve.
Meshes with extremely tiny triangles now properly carve

Added Layered Mode as an official global Poseidon mode (previous was an experimental mode)
Now supports both inward and outward facing geometry in all modes (Simple, Layered)!
Removed Legacy mode and all legacy operations from libraries
Made it so that Outward Facing Objects take precedence over Inward Objects on the same layer (previously, Inwards had precedence)
Added “Protrude Mode” advanced property for odd complicated scenarios involving 3+ objects with different facings.
Changed carving across multiple layers to prune triangles only after handling groups of carvers. This cleans up situations where polygons of a carver were missing after carving multiple objects.
Added a Mark Entire Active Scene as Dirty button in the Poseidon Preferences for situations where you may want to recompute an entire scene.
Added a Rebuild Poseidon option to the Poseidon Inspector context menu to force a single rebuild.

Fixed issues where floating polygons would appear when carving complicated meshes
Fixed subtle issues where tiny holes might appear in geometry with complex meshes
Fixed issues with async progress bar showing up at wrong times and never clearing on older versions of Unity
Fixed a bug where some hierarchy crawling code was running at Runtime and causing performance degradations in large scenes with runtime hierarchy changes
Fixed an issue where in some cases, the Poseidon’s dirty flag would never clear and the object would rebuild forever once dirtied

January 22, 2021

Reworked entire underlying architecture to support a cleaner, stage-based logic that should be more stable and run significantly faster.
Now Supports Asynchronous Carving, where the carving of Poseidons in Editor now occurs in a frame-divided way. This no longer freezes the editor when doing expensive carves, but lets you continue to work while carving happens in the background.
Released initial version of Poseidon Runtime, build atop the new asynchronous carving system, where users can manually create a carve operation at runtime, specifying a frame budget, and being able to run it themselves.
Added experimental support for Inward and Outward Facing Poseidons using a Layered Mode (still experimental, may be greatly changed/replaced in the future).

Examples: Added ‘Scene 5’ - Runtime Support to showcase running the Poseidon carves at runtime.
Examples: Added ‘Scene 6’ to show potential carves using the Layered Mode
Performance: Many significant improvements, especially when using Octresius or Auto carving modes.
Progress: Created cleaner Progress reporting classes, and found ways to smooth out progress tracking.
Inspector: Added an additional UI warning to notify users if a Poseidon’s mesh isn’t Read-Write Enabled.
Unity 2019.x: Added support for the bottom right Async Progress Bar. Deprecated old modal progress bar.
Unity 2020.x: Added support for Background Task / Progress bar window
Inspector: Added a Log All Rebuilds button to the Tools section.
Fixed a bug where “disabled” objects would still carve against enabled carvers.
Fixed a bug where Poseidons would freak out when loading scenes where MeshFilters no longer had valid meshes.

Known Bugs:

Asynchronous Carving doesn’t reset the current editor carve if you continue to change objects. It will eventually catch up to where you are, but it might look weird if you turn off deferred mode.

Upgrading: Should be forward compatible with older versions.

Added compatibility for Unity 2020.x builds.

Minor release to improve architectural changes, fixing issues with flat UI in 2019.3 and a few minor bug fixes.

Initial Release