mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-11-23 02:51:06 +01:00
279 lines
8.8 KiB
Lua
279 lines
8.8 KiB
Lua
local S
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if (minetest.get_modpath("intllib")) then
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S = intllib.Getter()
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else
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S = function ( s ) return s end
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end
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if minetest.setting_getbool("enable_damage") then
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mcl_hunger = {}
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mcl_hunger.food = {}
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-- Debug Mode. If enabled, saturation and exhaustion are shown as well
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local debug = minetest.setting_getbool("mcl_hunger_debug")
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if debug == nil then
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debug = false
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end
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--[[ Data value format notes:
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Hunger values is identical to Minecraft's and ranges from 0 to 20.
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Exhaustion and saturation values are stored as integers, unlike in Minecraft.
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Exhaustion is Minecraft exhaustion times 1000 and ranges from 0 to 4000.
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Saturation is Minecraft exhaustion times 10 and ranges from 0 to 200.
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Food saturation is stored in the custom item definition field _mcl_saturation.
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This field uses the original Minecraft value.
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]]
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-- Count number of poisonings a player has at once
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mcl_hunger.poisonings = {}
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-- HUD item ids
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local hunger_hud = {}
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mcl_hunger.HUD_TICK = 0.1
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-- Exhaustion increase
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mcl_hunger.EXHAUST_DIG = 5 -- after digging node
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mcl_hunger.EXHAUST_JUMP = 50 -- jump
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mcl_hunger.EXHAUST_SPRINT_JUMP = 200 -- TODO: jump while sprinting
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mcl_hunger.EXHAUST_ATTACK = 100 -- TODO: hit an enemy
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mcl_hunger.EXHAUST_SWIM = 10 -- TODO: player movement in water
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mcl_hunger.EXHAUST_SPRINT = 100 -- sprint (per node)
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mcl_hunger.EXHAUST_DAMAGE = 100 -- TODO: taking damage (protected by armor)
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mcl_hunger.EXHAUST_REGEN = 6000 -- Regenerate 1 HP
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mcl_hunger.EXHAUST_LVL = 4000 -- at what exhaustion player saturation gets lowered
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mcl_hunger.SATURATION_INIT = 50 -- Initial saturation for new/respawning players
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--load custom settings
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local set = io.open(minetest.get_modpath("mcl_hunger").."/mcl_hunger.conf", "r")
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if set then
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dofile(minetest.get_modpath("mcl_hunger").."/mcl_hunger.conf")
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set:close()
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end
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local function init_hud(player)
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hb.init_hudbar(player, "hunger", mcl_hunger.get_hunger(player))
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if debug then
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hb.init_hudbar(player, "saturation", mcl_hunger.get_saturation(player), mcl_hunger.get_hunger(player)*10)
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hb.init_hudbar(player, "exhaustion", mcl_hunger.get_exhaustion(player))
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end
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end
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-- HUD updating functions for Debug Mode. No-op if not in Debug Mode
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function mcl_hunger.update_saturation_hud(player, saturation, hunger)
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if debug then
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local satulimit
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if hunger then
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satulimit = hunger * 10
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end
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hb.change_hudbar(player, "saturation", saturation, satulimit)
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end
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end
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function mcl_hunger.update_exhaustion_hud(player, exhaustion)
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if debug then
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hb.change_hudbar(player, "exhaustion", exhaustion)
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end
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end
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dofile(minetest.get_modpath("mcl_hunger").."/hunger.lua")
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-- register saturation hudbar
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hb.register_hudbar("hunger", 0xFFFFFF, S("Food"), { icon = "hbhunger_icon.png", bgicon = "hbhunger_bgicon.png", bar = "hbhunger_bar.png" }, 20, 20, false)
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if debug then
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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"))
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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"))
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end
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local RAW_VALUE_FOOD = 1
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local RAW_VALUE_SATURATION = 2
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local RAW_VALUE_EXHAUSTION = 3
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local get_player_value_raw = function(player, id, default)
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local inv = player:get_inventory()
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if not inv then return nil end
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local value = inv:get_stack("hunger", id):get_count()
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if value == 0 then
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inv:set_stack("hunger", id, ItemStack({name=":", count=default+1}))
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return default
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else
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return value - 1
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end
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end
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local set_player_value_raw = function(player, id, value)
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local inv = player:get_inventory()
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inv:set_stack("hunger", id, ItemStack({name=":", count=value+1}))
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return true
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end
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-- API START --
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mcl_hunger.get_hunger = function(player)
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return get_player_value_raw(player, RAW_VALUE_FOOD, 20)
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end
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mcl_hunger.get_saturation = function(player)
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return get_player_value_raw(player, RAW_VALUE_SATURATION, 50)
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end
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mcl_hunger.get_exhaustion = function(player)
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return get_player_value_raw(player, RAW_VALUE_EXHAUSTION, 0)
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end
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mcl_hunger.set_hunger = function(player, hunger, update_hudbars)
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hunger = math.min(20, math.max(0, hunger))
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local ok = set_player_value_raw(player, RAW_VALUE_FOOD, hunger)
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if not ok then return false end
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if update_hudbars ~= false then
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hb.change_hudbar(player, "hunger", hunger)
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mcl_hunger.update_saturation_hud(player, nil, hunger)
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end
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return true
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end
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mcl_hunger.set_saturation = function(player, saturation, update_hudbar)
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saturation = math.min(mcl_hunger.get_hunger(player)*10, math.max(0, saturation))
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local ok = set_player_value_raw(player, RAW_VALUE_SATURATION, saturation)
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if not ok then return false end
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if update_hudbar ~= false then
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mcl_hunger.update_saturation_hud(player, saturation)
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end
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return true
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end
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mcl_hunger.set_exhaustion = function(player, exhaustion, update_hudbar)
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exhaustion = math.min(mcl_hunger.EXHAUST_LVL, math.max(0.0, exhaustion))
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local ok = set_player_value_raw(player, RAW_VALUE_EXHAUSTION, exhaustion)
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if not ok then return false end
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if update_hudbar ~= false then
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mcl_hunger.update_exhaustion_hud(player, exhaustion)
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end
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return true
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end
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-- END OF API --
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minetest.register_on_joinplayer(function(player)
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local name = player:get_player_name()
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local inv = player:get_inventory()
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inv:set_size("hunger", 3)
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mcl_hunger.poisonings[name] = 0
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init_hud(player)
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end)
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minetest.register_on_respawnplayer(function(player)
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-- reset hunger (and save)
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local name = player:get_player_name()
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local h, s, e = 20, mcl_hunger.SATURATION_INIT, 0
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mcl_hunger.set_hunger(player, h, false)
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mcl_hunger.set_saturation(player, s, false)
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mcl_hunger.set_exhaustion(player, e, false)
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hb.change_hudbar(player, "hunger", h)
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mcl_hunger.update_saturation_hud(player, s, h)
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mcl_hunger.update_exhaustion_hud(player, e)
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end)
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function mcl_hunger.exhaust(playername, increase)
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local player = minetest.get_player_by_name(playername)
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if not player then return false end
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mcl_hunger.set_exhaustion(player, mcl_hunger.get_exhaustion(player) + increase)
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if mcl_hunger.get_exhaustion(player) >= mcl_hunger.EXHAUST_LVL then
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mcl_hunger.set_exhaustion(player, 0.0)
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local h = nil
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local satuchanged = false
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local s = mcl_hunger.get_saturation(player)
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if s > 0 then
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mcl_hunger.set_saturation(player, math.max(s - 10, 0))
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satuchanged = true
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elseif s <= 0.0001 then
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h = mcl_hunger.get_hunger(player)
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h = math.max(h-1, 0)
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mcl_hunger.set_hunger(player, h)
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satuchanged = true
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end
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if satuchanged then
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if h ~= nil then h = h*10 end
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mcl_hunger.update_saturation_hud(player, mcl_hunger.get_saturation(player), h)
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end
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end
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mcl_hunger.update_exhaustion_hud(player, mcl_hunger.get_exhaustion(player))
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return true
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end
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function mcl_hunger.saturate(playername, increase, update_hudbar)
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local player = minetest.get_player_by_name(playername)
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mcl_hunger.set_saturation(player, math.min(mcl_hunger.get_saturation(player) + increase, mcl_hunger.get_hunger(player)*10))
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if update_hudbar ~= false then
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mcl_hunger.update_saturation_hud(player, mcl_hunger.get_saturation(player), mcl_hunger.get_hunger(player))
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end
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end
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local main_timer = 0
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local timer = 0 -- Half second timer
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local timerMult = 1 -- Cycles from 0 to 7, each time when timer hits half a second
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minetest.register_globalstep(function(dtime)
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main_timer = main_timer + dtime
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timer = timer + dtime
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if main_timer > mcl_hunger.HUD_TICK or timer > 0.5 then
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if main_timer > mcl_hunger.HUD_TICK then main_timer = 0 end
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for _,player in ipairs(minetest.get_connected_players()) do
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local name = player:get_player_name()
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local h = tonumber(mcl_hunger.get_hunger(player))
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local hp = player:get_hp()
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if timer > 0.5 then
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-- Quick heal (every 0.5s)
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if h >= 20 and hp > 0 and hp < 20 then
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-- +1 HP, +exhaustion
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player:set_hp(hp+1)
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mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_REGEN)
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-- Slow heal, and hunger damage (every 4s)
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elseif timerMult == 0 then
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if h >= 18 and hp > 0 and hp < 20 then
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-- +1 HP, +exhaustion
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player:set_hp(hp+1)
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mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_REGEN)
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mcl_hunger.update_exhaustion_hud(player, mcl_hunger.get_exhaustion(player))
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elseif h == 0 then
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-- Damage hungry player down to 1 HP
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if hp-1 >= 0 then
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player:set_hp(hp-1)
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end
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end
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end
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local controls = player:get_player_control()
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-- Determine if the player is moving
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if controls.up or controls.down or controls.left or controls.right then
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-- TODO: Add exhaustion for moving in water
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end
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-- Jumping
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-- FIXME: This is quite hacky and doesn't check if the player is actually jumping
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if controls.jump then
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mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_JUMP)
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end
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end
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end
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end
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if timer > 0.5 then
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timer = 0
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timerMult = timerMult + 1
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if timerMult > 7 then
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timerMult = 0
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end
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end
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end)
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end
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