Use max. 160 pixel wide bars to represent stats

init.lua

@@ -11,7 +11,7 @@ local air_hud = {}
 -- default settings
 
 HUD_SCALEABLE = false
-HUD_SIZE = ""
+HUD_BARLENGTH = 160
 
  -- statbar positions
 HUD_HEALTH_POS = {x=0.5,y=0.9}
@@ -22,7 +22,6 @@ HUD_AIR_OFFSET = {x=15,y=2}
 -- dirty way to check for new statbars
 if dump(minetest.hud_replace_builtin) ~= "nil" then
 	HUD_SCALEABLE = true
-	HUD_SIZE = {x=24, y=24}
 	HUD_HEALTH_POS = {x=0.5,y=1}
 	HUD_HEALTH_OFFSET = {x=-262, y=-87}
 	HUD_AIR_POS = {x=0.5,y=1}
@@ -31,7 +30,9 @@ end
 
 HUD_TICK = 0.1
 
-
+function hud.value_to_barlength(value, max)
+	return math.ceil((value/max) * HUD_BARLENGTH)
+end
 
 --load custom settings
 local set = io.open(minetest.get_modpath("hudbars").."/hud.conf", "r")
@@ -56,21 +57,11 @@ local function custom_hud(player)
 
  if minetest.setting_getbool("enable_damage") then
  --health
-        player:hud_add({
-		hud_elem_type = "statbar",
-		position = HUD_HEALTH_POS,
-		size = HUD_SIZE,
-		text = "hud_heart_bg.png",
-		number = 20,
-		alignment = {x=-1,y=-1},
-		offset = HUD_HEALTH_OFFSET,
-	})
 	health_hud[name] = player:hud_add({
 		hud_elem_type = "statbar",
 		position = HUD_HEALTH_POS,
-		size = HUD_SIZE,
-		text = "hud_heart_fg.png",
-		number = player:get_hp(),
+		text = "hudbars_bar_health.png",
+		number = hud.value_to_barlength(player:get_hp(), 20),
 		alignment = {x=-1,y=-1},
 		offset = HUD_HEALTH_OFFSET,
 	})
@@ -79,9 +70,8 @@ local function custom_hud(player)
 	air_hud[name] = player:hud_add({
 		hud_elem_type = "statbar",
 		position = HUD_AIR_POS,
-		size = HUD_SIZE,
-		text = "hud_air_fg.png",
-		number = 0,
+		text = "hudbars_bar_breath.png",
+		number = hud.value_to_barlength(math.min(player:get_breath(), 10), 10),
 		alignment = {x=-1,y=-1},
 		offset = HUD_AIR_OFFSET,
 	})
@@ -98,15 +88,14 @@ local function update_hud(player)
 	if player:get_breath() ~= air then
 		air = player:get_breath()
 		hud.air[name] = air
-		if air > 10 then air = 0 end
-		player:hud_change(air_hud[name], "number", air*2)
+		player:hud_change(air_hud[name], "number", hud.value_to_barlength(math.min(air, 10), 10))
 	end
  --health
 	local hp = tonumber(hud.health[name])
 	if player:get_hp() ~= hp then
 		hp = player:get_hp()
 		hud.health[name] = hp
-		player:hud_change(health_hud[name], "number", hp)
+		player:hud_change(health_hud[name], "number", hud.value_to_barlength(hp, 20))
 	end
 end