Add the [track_players] mod for

show nthe players position on the minetestmapper

mods/track_players/init.lua

@@ -0,0 +1,32 @@
+local time_interval = 1.0
+local fifo_path = "/tmp/mt_players_fifo"
+
+function players_data()
+    local ps = {}
+    for _, player in ipairs(minetest.get_connected_players()) do
+        local pos = player:getpos()
+        local pname = player:get_player_name()
+        local data = {
+            name = pname,
+            x = pos.x,
+            y = pos.y,
+            z = pos.z }
+        table.insert(ps, data)
+    end
+    if table.getn(ps) == 0 then
+        return '[]\n'
+    end
+    return minetest.write_json(ps) .. '\n'
+end
+
+function time_interval_func()
+    local players = players_data()
+    local fifo = io.open(fifo_path, 'w')
+    if (fifo ~= nil) then
+        fifo:write(players)
+        fifo:close()
+    end
+    minetest.after(time_interval, time_interval_func)
+end
+
+minetest.after(time_interval, time_interval_func)