Änderungen

Summary

1. some extension funcs and knockback3 cleanup (details)

Commit 4b0d1f487ee92b69fdc45748f03f20e4fb0ef634 by frotty some extension funcs and knockback3 cleanup
	wurst/_handles/Unit.wurst (diff)
	wurst/util/Knockback3.wurst (diff)
	wurst/util/TerrainUtils.wurst (diff)