Fix hbsprint behaviour with max value greater than 20

Sprinting didn't work when a player has fast but it was turned off. With
fly, fast was always enabled and sprinting didn't make them any faster,
now it does.

init.lua

@@ -84,25 +84,28 @@ local function drain_stamina(player)
     player:get_meta():set_float("hbsprint:stamina", player_stamina)
   end
   if mod_hudbars then
-    if autohide and player_stamina < 20 then hb.unhide_hudbar(player, "stamina") end
+	  if autohide and
+		  player_stamina < hb.get_hudtable("stamina").hudstate[player:get_player_name()].max
+	  then hb.unhide_hudbar(player, "stamina") end
     hb.change_hudbar(player, "stamina", player_stamina)
   end
 end
 
 local function replenish_stamina(player)
-  local player_stamina = player:get_meta():get_float("hbsprint:stamina")
+	local player_stamina = player:get_meta():get_float("hbsprint:stamina")
+	local max_stamina = hb.get_hudtable("stamina").hudstate[player:get_player_name()].max
   local ctrl = player:get_player_control()
-  if player_stamina < 20 and not ctrl.jump then
+  if player_stamina < max_stamina and not ctrl.jump then
     if not ctrl.right and not ctrl.left and not ctrl.down and not ctrl.up and not ctrl.LMB and not ctrl.RMB then
-      player_stamina = math.min(20, player_stamina + standing)
+      player_stamina = math.min(max_stamina, player_stamina + standing)
     else
-      player_stamina = math.min(20, player_stamina + stamina_heal)
+      player_stamina = math.min(max_stamina, player_stamina + stamina_heal)
     end
     player:get_meta():set_float("hbsprint:stamina", player_stamina)
   end
   if mod_hudbars then
     hb.change_hudbar(player, "stamina", player_stamina)
-    if autohide and player_stamina >= 20 then hb.hide_hudbar(player, "stamina") end
+    if autohide and player_stamina >= max_stamina then hb.hide_hudbar(player, "stamina") end
   end
 end
 
@@ -182,16 +185,15 @@ end)
 
 local function sprint_step(player, dtime)
   local name = player:get_player_name()
+  local fast = minetest.get_player_privs(name).fast
 
-  if minetest.get_player_privs(name).fast then
+  if not fast then
-    return
+    if stamina then
-  end
+      stamina_timer[name] = (stamina_timer[name] or 0) + dtime
-
+    end
-  if stamina then
+    if breath then
-    stamina_timer[name] = (stamina_timer[name] or 0) + dtime
+      breath_timer[name] = (breath_timer[name] or 0) + dtime
-  end
+    end
-  if breath then
-    breath_timer[name] = (breath_timer[name] or 0) + dtime
   end
 
   local ctrl = player:get_player_control()
@@ -204,7 +206,7 @@ local function sprint_step(player, dtime)
 
   if not key_press then
     stop_sprint(player)
-    if stamina and stamina_timer[name] >= replenish then
+    if stamina and not fast and stamina_timer[name] >= replenish then
       replenish_stamina(player)
       stamina_timer[name] = 0
     end
@@ -235,15 +237,15 @@ local function sprint_step(player, dtime)
     hunger = hunger_ng.get_hunger_information(name).hunger.exact
   end
 
-  if player_stamina > 0 and hunger > starve_limit and ground then
+  if (player_stamina > 0 and hunger > starve_limit and ground) or fast then
     start_sprint(player)
-    if stamina then drain_stamina(player) end
+    if stamina and not fast then drain_stamina(player) end
     if starve then drain_hunger(player, name) end
-    if breath and breath_timer[name] >= 2 then
+    if breath and not fast and breath_timer[name] >= 2 then
       drain_breath(player)
       breath_timer[name] = 0
     end
-    if particles then
+    if particles and ground then
       create_particles(player, name, ground)
     end
   else