Set custom AABB for terrain baking to make bakings stable

source/match/Navigation.gd

@@ -23,7 +23,7 @@ func get_navigation_map_rid_by_domain(domain):
 func setup(map):
 	assert(_static_obstacles.is_empty())
 	air.bake(map)
-	terrain.bake()
+	terrain.bake(map)
 	_setup_static_obstacles()
 
 

source/match/TerrainNavigation.gd

@@ -34,11 +34,16 @@ func _process(_delta):
 		_rebake()
 
 
-func bake():
+func bake(map):
 	assert(
 		_navigation_region.navigation_mesh.get_polygon_count() == 0,
 		"bake() should be called exactly once - during runtime"
 	)
+	# setting custom AABB for baking so that height of dynamic AABB is always the same
+	# - without such setting, re-baking may yield different results depending on geometry height
+	_navigation_region.navigation_mesh.filter_baking_aabb = AABB(
+		Vector3.ZERO, Vector3(map.size.x, 5.0, map.size.y)
+	)
 	NavigationServer3D.parse_source_geometry_data(
 		_navigation_region.navigation_mesh, _map_geometry, get_tree().root
 	)