Add minetest.get_connected_players()

builtin/builtin.lua

@@ -837,6 +837,17 @@ function minetest.check_player_privs(name, privs)
 	return true, ""
 end
 
+function minetest.get_connected_players()
+	-- This could be optimized a bit, but leave that for later
+	local list = {}
+	for _, obj in pairs(minetest.env:get_objects_inside_radius({x=0,y=0,z=0}, 1000000)) do
+		if obj:get_player_name() then
+			table.insert(list, obj)
+		end
+	end
+	return list
+end
+
 --
 -- Chat commands
 --

games/minimal/mods/experimental/init.lua

@@ -8,15 +8,13 @@ experimental = {}
 
 experimental.player_visual_index = 0
 function switch_player_visual()
-	for _, obj in pairs(minetest.env:get_objects_inside_radius({x=0,y=0,z=0}, 1000000)) do
+	for _, obj in pairs(minetest.get_connected_players()) do
-		if obj:get_player_name() then
 		if experimental.player_visual_index == 0 then
 			obj:set_properties({visual="upright_sprite"})
 		else
 			obj:set_properties({visual="cube"})
 		end
 	end
-	end
 	experimental.player_visual_index = (experimental.player_visual_index + 1) % 2
 	minetest.after(1.0, switch_player_visual)
 end