use wield_events mod

autoplace_tool.lua

@@ -124,7 +124,7 @@ minetest.register_tool("building_lib:autoplace", {
             rotation
         )
     end,
-    on_blur = function(player)
+    on_deselect = function(player)
         local playername = player:get_player_name()
         building_lib.clear_preview(playername)
     end

build_tool.lua

@@ -151,7 +151,7 @@ minetest.register_tool("building_lib:place", {
             rotation
         )
     end,
-    on_blur = function(player)
+    on_deselect = function(player)
         local playername = player:get_player_name()
         building_lib.clear_preview(playername)
     end

init.lua

@@ -12,7 +12,6 @@ dofile(MP .. "/memoize.lua")
 dofile(MP .. "/entity.lua")
 dofile(MP .. "/preview.lua")
 dofile(MP .. "/api.lua")
-dofile(MP .. "/wield_events.lua")
 dofile(MP .. "/common.lua")
 dofile(MP .. "/placements/mapblock_lib.lua")
 dofile(MP .. "/placements/dummy.lua")

mod.conf

@@ -1,4 +1,4 @@
 name = building_lib
 description = Mapblock granular building placement and tools
-depends = mapblock_lib, promise
+depends = mapblock_lib, promise, wield_events
 optional_depends = mtt

remove_tool.lua

@@ -42,7 +42,7 @@ minetest.register_tool("building_lib:remove", {
             building_info.rotation
         )
     end,
-    on_blur = function(player)
+    on_deselect = function(player)
         local playername = player:get_player_name()
         building_lib.clear_preview(playername)
     end

wield_events.lua

@@ -1,34 +0,0 @@
-
--- playername -> name
-local last_wielded_item = {}
-
--- check for tools
-local function wield_check()
-    for _, player in ipairs(minetest.get_connected_players()) do
-        local itemstack = player:get_wielded_item()
-        local playername = player:get_player_name()
-        local name = itemstack and itemstack:get_name()
-        -- TODO: check player:get_wield_index() to differenciate same-named items
-
-        if last_wielded_item[playername] and name ~= last_wielded_item[playername] then
-            -- last item got out of focus
-            local item_def = minetest.registered_items[last_wielded_item[playername]]
-            if item_def and type(item_def.on_blur) == "function" then
-                item_def.on_blur(player)
-            end
-        end
-
-        local item_def = minetest.registered_items[name]
-        if item_def and type(item_def.on_step) == "function" then
-            item_def.on_step(itemstack, player)
-        end
-
-        last_wielded_item[playername] = name
-    end
-    minetest.after(0, wield_check)
-end
-
-minetest.after(0, wield_check)
-minetest.register_on_leaveplayer(function(player)
-    last_wielded_item[player:get_player_name()] = nil
-end)