add HUD element that indicates time from last push with a colored icon (red -> green)

items.lua

@@ -5,6 +5,7 @@ local allow_swap_distance = sumo.allow_swap_distance -- if an opponent is within
 local stick_pointing_distance = sumo.stick_pointing_distance
 local stick_push_timeout = sumo.stick_push_timeout --(float)--in seconds
 sumo.timeouts={}
+sumo.push_hud = {}
 
 
 
@@ -39,14 +40,13 @@ minetest.register_craftitem("sumo:pushstick", {
                 time_factor = 4
             elseif time_from_last_push >=  0.4 and time_from_last_push <  0.5 then
                 time_factor = 9
-            elseif time_from_last_push >= 0.5 and time_from_last_push < 0.6 then
+            elseif time_from_last_push >= 0.5 and time_from_last_push < 0.7 then
                 time_factor = 14
+
             elseif time_from_last_push >  0.7 then
                 time_factor = 20
             elseif time_from_last_push > 2.0 then
                 time_factor = 25
-            elseif time_from_last_push > 4.0 then
-                time_factor = 30
             end
             force = stick_knockback + time_factor
         end
@@ -62,8 +62,10 @@ minetest.register_craftitem("sumo:pushstick", {
 
         if pointed_thing == nil then return end
         if pointed_thing.type == 'node' then return end
+        if not pointed_thing.type == 'object' then return end
 
         if pointed_thing.type == 'object' then
+            
             --this only works on players
             if minetest.is_player(pointed_thing.ref) == true then
 
@@ -80,6 +82,7 @@ minetest.register_craftitem("sumo:pushstick", {
                     if not sumo.invincible[pointed_name] then
                         pointed_thing.ref:move_to(hitter_pos, true)
                         pointed_thing.ref:add_player_velocity(vector.multiply({x = -dir.x, y = dir.y, z= -dir.z}, (force + 1)* 0.6 )) --switch positions, and throw the target with 0.6X normal force
+                        sumo.timeouts[p_name] = current_time
                         local sound = 'swish'..math.random(1,4)
                         minetest.sound_play(sound, {
                             to_player = pointed_thing.ref:get_player_name(),
@@ -93,6 +96,7 @@ minetest.register_craftitem("sumo:pushstick", {
                     local pointed_name = pointed_thing.ref:get_player_name()
                     if not sumo.invincible[pointed_name] then
                         pointed_thing.ref:add_player_velocity(vector.multiply(dir, force))
+                        sumo.timeouts[p_name] = current_time
                         
                         local sound = 'thwack2' --TODO: get the other 2 thwack souds into the game (where did they go anyways?!)
                         minetest.sound_play(sound, {
@@ -117,7 +121,7 @@ minetest.register_craftitem("sumo:pushstick", {
 
             end
         end
-        sumo.timeouts[p_name] = current_time
+        
         
     
     end,
@@ -171,3 +175,62 @@ minetest.register_craftitem("sumo:pushstick", {
 
 
 
+--HUD indicator for sumo pushstick strength (color based)
+
+minetest.register_globalstep(function(dtime)
+
+    for _,player in ipairs(minetest.get_connected_players()) do
+        local pl_name = player:get_player_name()
+        local inv = player:get_inventory()
+        local stack = ItemStack("sumo:pushstick")
+        if inv:contains_item('main', stack) then
+            local last_push_time = sumo.timeouts[pl_name] or 0.0
+            local current_time = minetest.get_us_time()/1000000.0
+            local time_from_last_push = current_time-last_push_time
+            local push_color = "#ff000088" --bright red
+            if time_from_last_push >= 0.3 and time_from_last_push < 0.4 then
+                push_color = "#ff150088" --orange red
+            elseif time_from_last_push >=  0.4 and time_from_last_push <  0.5 then
+                push_color = "#ff330088" --orange
+            elseif time_from_last_push >= 0.5 and time_from_last_push < 0.7 then
+                push_color = "#f2ff0088" --yellow
+            elseif time_from_last_push >=  0.7 then
+                push_color = "#8cff0088" --yellow green
+            elseif time_from_last_push >= 2.0 then
+                push_color = "#66ff0088" --green
+
+            end
+            --Thank you, ElCeejo, for giving this HUD code that *actually* works :P
+            if not sumo.push_hud[pl_name] then
+                sumo.push_hud[pl_name] =player:hud_add({
+                    hud_elem_type = "image",
+                    position = {x = 0, y = 1},
+                    name = "sumo_hud_push",
+                    text = "sumo_hud_push.png^[colorize:"..push_color,
+                    scale = {x = 3, y = 3},
+                    alignment = {x = 1, y = -1},
+                    offset = {x = 0, y = -5}
+                  })
+            else
+                player:hud_change(sumo.push_hud[pl_name], "text", "sumo_hud_push.png^[colorize:"..push_color)
+            end
+        else
+            if sumo.push_hud[pl_name] then
+                player:hud_remove(sumo.push_hud[pl_name])
+                sumo.push_hud[pl_name] = nil
+            end
+        end
+    end
+end)
+
+
+
+
+                
+
+
+
+
+
+
+

minigame_manager.lua

@@ -39,6 +39,7 @@ arena_lib.on_load("sumo", function(arena)
 
                 local item = ItemStack("sumo:pushstick")
                 
+
                 for pl_name, stats in pairs(arena.players) do
                     sumo.invincible[pl_name] = false
                     local player = minetest.get_player_by_name(pl_name)
@@ -134,6 +135,9 @@ arena_lib.on_time_tick('sumo', function(arena)
     
 end)
 
+
+
+
 minetest.register_on_player_hpchange(function(player, hp_change)
     local pl_name = player:get_player_name()
     if arena_lib.is_player_in_arena(pl_name, 'sumo') then