Noah Petherbridge 65a811db0d Auto-prune Empty Chunks in Level Files ... * Discovered a bug where if you hit the Undo key to erase pixels and an entire chunk became empty by it, the chunk would have rendering errors and show as a solid black square instead of the level wallpaper showing through. * Chunks that have no pixels in them are culled from the chunker immediately when you call a Delete() operation. * The level file saver also calls a maintenance function to prune all empty chunks upon saving the file. So existing levels with broken chunks need only be re-saved to fix them.		2019-07-16 22:10:18 -07:00
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doodads	Auto-prune Empty Chunks in Level Files	2019-07-16 22:10:18 -07:00