v2.1, Add API functions 'register_on_tube_update2'

README.md

@@ -88,5 +88,6 @@ Textures: CC0
 - 2020-02-02  v1.8  * 'special nodes' as alternative to 'secondary nodes' introduced
 - 2020-05-31  v1.9  * Generator function 'get_tube_line' added, storage improvements
 - 2021-01-23  v2.0  * Add functions for easy & fast 'valid side' checking (PR #8)
+- 2021-05-24  v2.1  * Add API functions 'register_on_tube_update2'
 
 

internal1.lua

@@ -102,8 +102,12 @@ function Tube:update_secondary_node(pos1, dir1, pos2, dir2)
 	local node,_ = self:get_secondary_node(pos1)
 	if node then
 		local ndef = minetest.registered_nodes[node.name] or {}
+		-- New functions
 		if ndef.tubelib2_on_update2 then
 			ndef.tubelib2_on_update2(pos1, dir1, self, node)
+		elseif self.clbk_update_secondary_node2 then
+			self.clbk_update_secondary_node2(pos1, dir1, self, node)
+		-- Legacy functions
 		elseif ndef.tubelib2_on_update then
 			ndef.tubelib2_on_update(node, pos1, dir1, pos2, Turn180Deg[dir2])
 		elseif self.clbk_update_secondary_node then

tube_api.lua

@@ -13,7 +13,7 @@
 ]]--
 
 -- Version for compatibility checks, see readme.md/history
-tubelib2.version = 2.0
+tubelib2.version = 2.1
 
 -- for lazy programmers
 local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
@@ -320,6 +320,12 @@ function Tube:register_on_tube_update(update_secondary_node)
 		self.clbk_update_secondary_node = update_secondary_node
 end
 
+-- Called for each connected node when the tube connection has been changed.
+-- func(pos1, out_dir, self, node)
+function Tube:register_on_tube_update2(update_secondary_node2)
+		self.clbk_update_secondary_node2 = update_secondary_node2
+end
+
 function Tube:get_pos(pos, dir)
 	return vector.add(pos, Dir6dToVector[dir or 0])
 end