A Minetest mod which adds a hunger mechanic to the game.
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if minetest.setting_getbool("enable_damage") then
hbhunger = {}
-- HUD statbar values
hbhunger.hunger = {}
hbhunger.hunger_out = {}
-- HUD item ids
local hunger_hud = {}
HUNGER_HUD_TICK = 1.0
--Some hunger settings
hbhunger.exhaustion = {} -- Exhaustion is experimental!
HUNGER_HUNGER_TICK = 800 -- time in seconds after that 1 hunger point is taken
HUNGER_EXHAUST_DIG = 3 -- exhaustion increased this value after digged node
HUNGER_EXHAUST_PLACE = 1 -- exhaustion increased this value after placed
HUNGER_EXHAUST_MOVE = 0.3 -- exhaustion increased this value if player movement detected
HUNGER_EXHAUST_LVL = 160 -- at what exhaustion player satiation gets lowerd
--load custom settings
local set = io.open(minetest.get_modpath("hbhunger").."/hbhunger.conf", "r")
if set then
dofile(minetest.get_modpath("hbhunger").."/hbhunger.conf")
set:close()
end
local function custom_hud(player)
hb.init_hudbar(player, "satiation", hbhunger.get_hunger(player))
end
dofile(minetest.get_modpath("hbhunger").."/hunger.lua")
-- register satiation hudbar
hb.register_hudbar("satiation", 0xFFFFFF, "Satiation", { icon = "hbhunger_icon.png", bar = "hbhunger_bar.png" }, 20, 30, false)
-- update hud elemtens if value has changed
local function update_hud(player)
local name = player:get_player_name()
--hunger
local h_out = tonumber(hbhunger.hunger_out[name])
local h = tonumber(hbhunger.hunger[name])
if h_out ~= h then
hbhunger.hunger_out[name] = h
hb.change_hudbar(player, "satiation", h)
end
end
hbhunger.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
end
hbhunger.set_hunger = function(player)
local inv = player:get_inventory()
local name = player:get_player_name()
local value = hbhunger.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
end
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
local inv = player:get_inventory()
inv:set_size("hunger",1)
hbhunger.hunger[name] = hbhunger.get_hunger(player)
hbhunger.hunger_out[name] = hbhunger.hunger[name]
hbhunger.exhaustion[name] = 0
custom_hud(player)
hbhunger.set_hunger(player)
end)
minetest.register_on_respawnplayer(function(player)
-- reset hunger (and save)
local name = player:get_player_name()
hbhunger.hunger[name] = 20
hbhunger.set_hunger(player)
hbhunger.exhaustion[name] = 0
end)
local timer = 0
local timer2 = 0
local function hunger_step()
timer = timer + HUNGER_HUD_TICK
timer2 = timer2 + HUNGER_HUD_TICK
for _,player in ipairs(minetest.get_connected_players()) do
local name = player:get_player_name()
local h = tonumber(hbhunger.hunger[name])
local hp = player:get_hp()
local timerquot = 1 -- By default regen 0.5 hearth every 10sec
if pclasses.api.get_player_class(name) == "warrior" then
timerquot = 1.42 -- Black_Mithril armor = 0.5 hearth every 7.0sec
elseif pclasses.api.util.does_wear_full_armor(name, "mithril", false) then
timerquot = 1.17 -- Mithril armor = 0.5 hearth every 8.5sec
end
if timer > 10/timerquot then
-- heal player by 1 hp if not dead and satiation is > 15 (of 30)
if h > 15 and hp > 0 and player:get_breath() > 0 then
player:set_hp(hp+1)
-- or damage player by 1 hp if satiation is < 2 (of 30)
elseif h <= 1 then
if hp-1 >= 0 then player:set_hp(hp-1) end
end
end
-- lower satiation by 1 point after xx seconds
if timer2 > HUNGER_HUNGER_TICK then
if h > 0 then
h = h-1
hbhunger.hunger[name] = h
hbhunger.set_hunger(player)
end
end
-- update all hud elements
update_hud(player)
local controls = player:get_player_control()
-- Determine if the player is walking
if controls.up or controls.down or controls.left or controls.right then
hbhunger.handle_node_actions(nil, nil, player)
end
end
--end
if timer > 10 then timer = 0 end
if timer2 > HUNGER_HUNGER_TICK then timer2 = 0 end
minetest.after(HUNGER_HUD_TICK, hunger_step)
end
minetest.after(0, hunger_step)
end