Add a patch regarding issue #551 (needs to be rebased though).

Bucket_Game-branches/clarify-food-api-vs-200327.patch

@@ -0,0 +1,106 @@
+diff -ru ./EnlivenMinetest/Bucket_Game-base/clarify-food-api-vs-200327/mods/coderfood/unified_foods/hunger.lua ./EnlivenMinetest/Bucket_Game-branches/clarify-food-api-vs-200327/mods/coderfood/unified_foods/hunger.lua
+--- ./EnlivenMinetest/Bucket_Game-base/clarify-food-api-vs-200327/mods/coderfood/unified_foods/hunger.lua	2020-03-15 08:22:10.234929597 -0400
++++ ./EnlivenMinetest/Bucket_Game-branches/clarify-food-api-vs-200327/mods/coderfood/unified_foods/hunger.lua	2020-03-15 08:22:10.275928404 -0400
+@@ -1,5 +1,6 @@
+ local modname = minetest.get_current_modname()
+ local modpath = minetest.get_modpath (modname)
++-- NOTE: 30 indicates 10 more beyond the visible bar is allowed.
+ 
+ local enable_wonder = minetest.setting_getbool ("enable_wonder")
+ unified_hunger = {}
+@@ -49,14 +50,37 @@
+     hb.init_hudbar(player, "satiation", unified_hunger.get_hunger(player))
+ end
+ 
++local function pull_hunger(player)
++    local inv = player:get_inventory()
++    if not inv then return nil end
++    local hgp = inv:get_stack("hunger", 1):get_count()
++    if hgp == 0 then
++        hgp = 21
++        inv:set_stack("hunger", 1, ItemStack({name = ":", count = hgp}))
++    else
++        hgp = hgp
++    end
++    unified_hunger.hunger[name] = hgp - 1
++    return true
++end
++
++local function push_hunger(player)
++    local inv = player:get_inventory()
++    local name = player:get_player_name()
++    local value = unified_hunger.hunger[name]
++    if not inv or not value then  return nil  end
++    inv:set_stack("hunger", 1, ItemStack({name = ":", count = value + 1}))
++    return true
++end
++
+ -- Keep these for backwards compatibility
+ 
+ function unified_hunger.save_hunger(player)
+-    unified_hunger.set_hunger(player)
++    push_hunger(player)
+ end
+ 
+ function unified_hunger.load_hunger(player)
+-    unified_hunger.get_hunger(player)
++    pull_hunger(player)
+ end
+ 
+ -- Poison player
+@@ -213,45 +237,35 @@
+ end
+ 
+ unified_hunger.get_hunger = function(player)
+-    local inv = player:get_inventory()
+-    if not inv then return nil end
+-    local hgp = inv:get_stack("hunger", 1):get_count()
+-    if hgp == 0 then
+-        hgp = 21
+-        inv:set_stack("hunger", 1, ItemStack({name = ":", count = hgp}))
+-    else
+-        hgp = hgp
+-    end
+-    return hgp - 1
++    pull_hunger(player)
++    return unified_hunger.hunger[name]
+ end
+ 
+-unified_hunger.set_hunger = function(player)
+-    local inv = player:get_inventory()
++unified_hunger.set_hunger = function(player, value)
+     local name = player:get_player_name()
+-    local value = unified_hunger.hunger[name]
+-    if not inv  or not value then return nil end
+     if value > 30 then value = 30 end
+     if value < 0 then value = 0 end
+-    inv:set_stack("hunger", 1, ItemStack({name = ":", count = value + 1}))
+-    return true
++    unified_hunger.hunger[name] = value
++    return push_hunger(player)
+ end
+ 
++
++
+ minetest.register_on_joinplayer(function(player)
+     local name = player:get_player_name()
+     local inv = player:get_inventory()
+     inv:set_size("hunger", 1)
+-    unified_hunger.hunger[name] = unified_hunger.get_hunger(player)
++    pull_hunger(player)  -- Load hunger[name] (and ensure non-nil).
+     unified_hunger.hunger_out[name] = unified_hunger.hunger[name]
+     unified_hunger.exhaustion[name] = 0
+     custom_hud(player)
+-    unified_hunger.set_hunger(player)
++    push_hunger(player)  -- Save the now non-nil value.
+ end)
+ 
+ minetest.register_on_respawnplayer(function(player)
+     -- reset hunger (and save)
+     local name = player:get_player_name()
+-    unified_hunger.hunger[name] = 20
+-    unified_hunger.set_hunger(player)
++    unified_hunger.set_hunger(player, 20)
+     unified_hunger.exhaustion[name] = 0
+ end)
+