Change food bar when player is food poisoned

mods/PLAYER/mcl_hunger/hunger.lua

@@ -53,6 +53,15 @@ function mcl_hunger.eat(hp_change, replace_with_item, itemstack, user, pointed_t
 	return func(itemstack, user, pointed_thing)
 end
 
+-- Reset HUD bars after poisoning
+local function reset_bars(player)
+	hb.change_hudbar(player, "health", nil, nil, "hudbars_icon_health.png", nil, "hudbars_bar_health.png")
+	hb.change_hudbar(player, "hunger", nil, nil, "hbhunger_icon.png", nil, "hbhunger_bar.png")
+	if mcl_hunger.debug then
+		hb.change_hudbar(player, "exhaustion", nil, nil, nil, nil, "mcl_hunger_bar_exhaustion.png")
+	end
+end
+
 -- Poison player
 local function poisonp(tick, time, time_left, damage, exhaustion, player)
 	-- First check if player is still there
@@ -69,8 +78,7 @@ local function poisonp(tick, time, time_left, damage, exhaustion, player)
 	else
 		mcl_hunger.poisonings[player:get_player_name()] = mcl_hunger.poisonings[player:get_player_name()] - 1
 		if mcl_hunger.poisonings[player:get_player_name()] <= 0 then
-			-- Reset HUD bar color
-			hb.change_hudbar(player, "health", nil, nil, "hudbars_icon_health.png", nil, "hudbars_bar_health.png")
+			reset_bars(player)
 		end
 	end
 
@@ -85,7 +93,7 @@ end
 -- Immediately stop all poisonings for this player
 function mcl_hunger.stop_poison(player)
 	mcl_hunger.poisonings[player:get_player_name()] = 0
-	hb.change_hudbar(player, "health", nil, nil, "hudbars_icon_health.png", nil, "hudbars_bar_health.png")
+	reset_bars(player)
 end
 
 local poisonrandomizer = PseudoRandom(os.time())
@@ -181,8 +189,16 @@ function mcl_hunger.item_eat(hunger_change, replace_with_item, poisontime, poiso
 					do_poison = true
 				end
 				if do_poison then
-					-- Set poison bar
+					-- Set poison bars
+					if poison and poison > 0 then
 						hb.change_hudbar(user, "health", nil, nil, "hbhunger_icon_health_poison.png", nil, "hbhunger_bar_health_poison.png")
+					end
+					if exhaust and exhaust > 0 then
+						hb.change_hudbar(user, "hunger", nil, nil, "mcl_hunger_icon_foodpoison.png", nil, "mcl_hunger_bar_foodpoison.png")
+						if mcl_hunger.debug then
+							hb.change_hudbar(user, "exhaustion", nil, nil, nil, nil, "mcl_hunger_bar_foodpoison.png")
+						end
+					end
 					mcl_hunger.poisonings[name] = mcl_hunger.poisonings[name] + 1
 					poisonp(1, poisontime, 0, poison, exhaust, user)
 				end

mods/PLAYER/mcl_hunger/init.lua

@@ -10,10 +10,12 @@ if minetest.setting_getbool("enable_damage") then
 mcl_hunger = {}
 mcl_hunger.food = {}
 
--- Debug Mode. If enabled, saturation and exhaustion are shown as well
-local debug = minetest.setting_getbool("mcl_hunger_debug")
-if debug == nil then
-	debug = false
+-- Debug Mode. If enabled, saturation and exhaustion are shown as well.
+-- NOTE: Read-only. The setting should only be read at the beginning, this mod is not
+-- prepared to change this setting later.
+mcl_hunger.debug = minetest.setting_getbool("mcl_hunger_debug")
+if mcl_hunger.debug == nil then
+	mcl_hunger.debug = false
 end
 
 --[[ Data value format notes:
@@ -57,7 +59,7 @@ end
 
 local function init_hud(player)
 	hb.init_hudbar(player, "hunger", mcl_hunger.get_hunger(player))
-	if debug then
+	if mcl_hunger.debug then
 		hb.init_hudbar(player, "saturation", mcl_hunger.get_saturation(player), mcl_hunger.get_hunger(player)*10)
 		hb.init_hudbar(player, "exhaustion", mcl_hunger.get_exhaustion(player))
 	end
@@ -65,7 +67,7 @@ end
 
 -- HUD updating functions for Debug Mode. No-op if not in Debug Mode
 function mcl_hunger.update_saturation_hud(player, saturation, hunger)
-	if debug then
+	if mcl_hunger.debug then
 		local satulimit
 		if hunger then
 			satulimit = hunger * 10
@@ -74,7 +76,7 @@ function mcl_hunger.update_saturation_hud(player, saturation, hunger)
 	end
 end
 function mcl_hunger.update_exhaustion_hud(player, exhaustion)
-	if debug then
+	if mcl_hunger.debug then
 		hb.change_hudbar(player, "exhaustion", exhaustion)
 	end
 end
@@ -83,7 +85,7 @@ dofile(minetest.get_modpath("mcl_hunger").."/hunger.lua")
 
 -- register saturation hudbar
 hb.register_hudbar("hunger", 0xFFFFFF, S("Food"), { icon = "hbhunger_icon.png", bgicon = "hbhunger_bgicon.png",  bar = "hbhunger_bar.png" }, 20, 20, false)
-if debug then
+if mcl_hunger.debug then
 	hb.register_hudbar("saturation", 0xFFFFFF, S("Saturation"), { icon = "mcl_hunger_icon_saturation.png", bgicon = "mcl_hunger_bgicon_saturation.png", bar = "mcl_hunger_bar_saturation.png" }, mcl_hunger.SATURATION_INIT, 200, false, S("%s: %d/%d"))
 	hb.register_hudbar("exhaustion", 0xFFFFFF, S("Exhaust."), { icon = "mcl_hunger_icon_exhaustion.png", bgicon = "mcl_hunger_bgicon_exhaustion.png", bar = "mcl_hunger_bar_exhaustion.png" }, 0, mcl_hunger.EXHAUST_LVL, false, S("%s: %d/%d"))
 end