initial event loop and callback testing

init.lua

@@ -25,6 +25,7 @@ function controls.register_on_release(callback)
     table.insert(controls.registered_on_release, callback)
 end
 
+--set up key store on join
 minetest.register_on_joinplayer(function(player, _)
     local pname = player:get_player_name()
     local controls_names = player:get_player_control()
@@ -36,6 +37,30 @@ minetest.register_on_joinplayer(function(player, _)
     end
 end)
 
+--discard when leaving
+minetest.register_on_leaveplayer(function(player, _)
+    local pname = player:get_player_name()
+    controls.players[pname] = nil
+end)
+
+--event loop
+minetest.register_globalstep(function(dtime)
+    for _, player in pairs(minetest.get_connected_players()) do
+        local pname = player:get_player_name()
+        local pcontrols = player:get_player_control()
+
+        if not controls.players[pname] then break end --safety check
+
+        for key, key_status in pairs(pcontrols) do
+            if(key_status) then --yes, this is a hold or press event, intial testing
+                for _, callback in pairs(controls.registered_on_press) do
+                    callback(player, key)
+                end
+            end
+        end
+    end
+end)
+
 --tests
 if(controls.testsmode) then
     dofile(controls.modpath .. "/test.lua")