More settings cleanup

mods/rp_headbars/init.lua

@@ -11,6 +11,7 @@ local enable_headbars = minetest.settings:get_bool("headbars_enable")
 if enable_headbars == nil then enable_headbars = true end
 
 local headbars_scale = tonumber(minetest.settings:get("headbars_scale")) or 1.0
+headbars_scale = math.max(0.25, headbars_scale)
 
 function headbars.get_sprite(icon, background, max, amt)
    local img = "[combine:" .. (max * 8) .. "x16:0,0=blank.png:0,0=blank.png"

mods/rp_hunger/init.lua

@@ -22,7 +22,7 @@ local saving = false
 
 -- Seconds per hunger update, 2.0 is slightly fast
 local timer_interval = tonumber(minetest.settings:get("hunger_step")) or 3.0
-timer_interval = math.max(0, timer_interval)
+timer_interval = math.max(0.0, timer_interval)
 local timer = 0
 
 local function save_hunger()

settingtypes.txt

@@ -21,9 +21,11 @@ hunger_enable (Enable hunger) bool true
 
 # This number specifies the interval in seconds
 # at which the hunger of players is updated.
+# Also affects the healing rate.
 # The lower this number, the faster players get hungry.
-# Very low numbers might cause performance problems!
-hunger_step (Hunger speed) float 3.0 0.1
+# At 0, hunger is updated at every server step,
+# which is really fast!
+hunger_step (Hunger frequency) float 3.0 0.0
 
 [World]
 # If enabled, the weather will change from time to time.
@@ -79,6 +81,12 @@ static_spawn_radius (Spawn point safety radius) int 256 0
 # This will add an graphical effect that slightly darkens the edges of the screen.
 vignette_enable (Enable vignette) bool true
 
+# This will enable a health display over the head of each player.
+headbars_enable (Enable over-head health bars) bool true
+
+# Scale of the health display over the player heads.
+headbars_scale (Scale of over-head health bars) float 1.0 0.25
+
 # Enables blood particles when attacking mobs.
 # If disabled, there will be other, less “gruesome” particle effects.
 mobs_enable_blood (Enable blood) bool false