`MOTION_BLOCKING` heightmap #1676

Job	Run time
Unused Dependencies	5m 28s
Dependency Graph (assets/depgraph.svg)	28s
Typos	7s
Build Extractor	3m 49s
Clippy	9m 44s
Documentation	6m 7s
Formatting	32s
Tests (windows-latest)	18m 39s
Tests (macos-latest)	18m 52s
Tests (ubuntu-latest)	18m 35s
	1h 22m 21s

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