add basic API to register player globalstep

mods/CORE/mcl_util/init.lua

@@ -1,3 +1,5 @@
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+
 mcl_util = {}
 
 -- Based on minetest.rotate_and_place
@@ -418,3 +420,5 @@ function mcl_util.get_color(colorstr)
 		return colorstr, hex
 	end
 end
+
+dofile(modpath.."/playerstep.lua")

mods/CORE/mcl_util/playerstep.lua

@@ -0,0 +1,19 @@
+local get_connected_players = minetest.get_connected_players
+
+mcl_util.registered_player_globalstep = {}
+local registered_player_globalstep = mcl_util.registered_player_globalstep
+
+function mcl_util.register_player_globalstep(func)
+    table.insert(mcl_util.registered_player_globalstep, func)
+end
+
+minetest.register_on_mods_loaded(function()
+    minetest.register_globalstep(function(dtime)
+        local players = get_connected_players()
+        for _,func in pairs(registered_player_globalstep) do
+            for _,player in pairs(players) do
+                func(player, dtime)
+            end
+        end
+    end)
+end)

mods/HUD/show_wielded_item/init.lua

@@ -64,13 +64,11 @@ minetest.register_on_leaveplayer(function(player)
 	wieldindex[name] = nil
 end)
 
-minetest.register_globalstep(function(dtime)
-	for _, player in pairs(minetest.get_connected_players()) do
+mcl_util.register_player_globalstep(function(player, dtime)
 	local player_name = player:get_player_name()
 	local wstack = player:get_wielded_item()
 	local wname = wstack:get_name()
 	local windex = player:get_wield_index()
-
 	if dtimes[player_name] and dtimes[player_name] < dlimit then
 		dtimes[player_name] = dtimes[player_name] + dtime
 		if dtimes[player_name] > dlimit and huds[player_name] then
@@ -83,12 +81,9 @@ minetest.register_globalstep(function(dtime)
 		wieldindex[player_name] = windex
 		wield[player_name] = wname
 		dtimes[player_name] = 0
-
 		if huds[player_name] then 
-
 			local def = minetest.registered_items[wname]
 			local meta = wstack:get_meta()
-
 			--[[ Get description. Order of preference:
 			* description from metadata
 			* description from item definition
@@ -108,6 +103,4 @@ minetest.register_globalstep(function(dtime)
 			player:hud_change(huds[player_name], 'text', desc)
 		end
 	end
-	end
 end)
-

mods/HUD/show_wielded_item/mod.conf

@@ -1,4 +1,5 @@
 name = show_wielded_item
 author = 4aiman
 description = Displays the name of the wielded item.
+depends = mcl_util
 optional_depends = hudbars