VoxeLibre/mods/PLAYER/mcl_hunger/init.lua

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local S
if (minetest.get_modpath("intllib")) then
S = intllib.Getter()
else
S = function ( s ) return s end
end
if minetest.setting_getbool("enable_damage") then
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mcl_hunger = {}
mcl_hunger.food = {}
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-- HUD statbar values
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mcl_hunger.hunger = {}
mcl_hunger.hunger_out = {}
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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
local hunger_hud = {}
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mcl_hunger.HUD_TICK = 0.1
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--Some hunger settings
mcl_hunger.exhaustion = {}
mcl_hunger.saturation = {}
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-- Exhaustion increase
mcl_hunger.EXHAUST_DIG = 0.005 -- exhaustion increased this value after digged node
mcl_hunger.EXHAUST_JUMP = 0.05 -- jump
mcl_hunger.EXHAUST_SPRINT_JUMP = 0.2 -- jump while sprinting
mcl_hunger.EXHAUST_ATTACK = 0.1 -- attack
mcl_hunger.EXHAUST_SWIM = 0.01 -- player movement in water
mcl_hunger.EXHAUST_SPRINT = 0.1 -- sprint (per node)
mcl_hunger.EXHAUST_DAMAGE = 0.1 -- taking damage (protected by armor)
mcl_hunger.EXHAUST_REGEN = 6.0 -- Regenerate 1 HP
mcl_hunger.EXHAUST_LVL = 4.0 -- at what exhaustion player saturation gets lowerd
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--load custom settings
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local set = io.open(minetest.get_modpath("mcl_hunger").."/mcl_hunger.conf", "r")
if set then
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dofile(minetest.get_modpath("mcl_hunger").."/mcl_hunger.conf")
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set:close()
end
local function custom_hud(player)
hb.init_hudbar(player, "food", mcl_hunger.get_hunger_raw(player))
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hb.init_hudbar(player, "saturation", mcl_hunger.saturation[player:get_player_name()], mcl_hunger.get_hunger_raw(player))
hb.init_hudbar(player, "exhaustion", mcl_hunger.exhaustion[player:get_player_name()])
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end
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dofile(minetest.get_modpath("mcl_hunger").."/hunger.lua")
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-- register saturation hudbar
hb.register_hudbar("food", 0xFFFFFF, S("Food"), { icon = "hbhunger_icon.png", bgicon = "hbhunger_bgicon.png", bar = "hbhunger_bar.png" }, 20, 20, false)
hb.register_hudbar("saturation", 0xFFFFFF, S("Saturation"), { icon = "hbhunger_icon.png", bgicon = "hbhunger_bgicon.png", bar = "hbhunger_bar.png" }, 5, 20, false, S("%s: %.1f/%d"))
hb.register_hudbar("exhaustion", 0xFFFFFF, S("Exhaustion"), { icon = "hbhunger_icon.png", bgicon = "hbhunger_bgicon.png", bar = "hbhunger_bar.png" }, 0, 4, false, S("%s: %.3f/%d"))
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-- update hud elemtens if value has changed
local function update_hud(player)
local name = player:get_player_name()
--hunger
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local h_out = tonumber(mcl_hunger.hunger_out[name])
local h = tonumber(mcl_hunger.hunger[name])
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if h_out ~= h then
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mcl_hunger.hunger_out[name] = h
hb.change_hudbar(player, "food", h)
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hb.change_hudbar(player, "saturation", nil, h)
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end
end
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-- API START --
mcl_hunger.get_hunger = function(player)
local name = player:get_player_name()
return mcl_hunger.hunger[name]
end
mcl_hunger.set_hunger = function(player, hunger)
local name = player:get_player_name()
mcl_hunger.hunger[name] = hunger
mcl_hunger.set_hunger_raw(player)
update_hud(player)
end
-- END OF API --
-- For internal use only. Don't use the “raw” functions outside of mcl_hunger!
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mcl_hunger.get_hunger_raw = function(player)
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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
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mcl_hunger.set_hunger_raw = function(player)
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local inv = player:get_inventory()
local name = player:get_player_name()
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local value = mcl_hunger.hunger[name]
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if not inv or not value then return nil end
if value > 20 then value = 20 end
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if value < 0 then value = 0 end
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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)
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mcl_hunger.hunger[name] = mcl_hunger.get_hunger_raw(player)
mcl_hunger.hunger_out[name] = mcl_hunger.hunger[name]
mcl_hunger.exhaustion[name] = 0.0
mcl_hunger.saturation[name] = 5.0
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mcl_hunger.poisonings[name] = 0
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custom_hud(player)
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mcl_hunger.set_hunger_raw(player)
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end)
minetest.register_on_respawnplayer(function(player)
-- reset hunger (and save)
local name = player:get_player_name()
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local h = 20
mcl_hunger.hunger[name] = h
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mcl_hunger.set_hunger_raw(player)
mcl_hunger.exhaustion[name] = 0.0
mcl_hunger.saturation[name] = 5.0
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hb.change_hudbar(player, "exhaustion", mcl_hunger.exhaustion[name])
hb.change_hudbar(player, "saturation", mcl_hunger.saturation[name], h)
hb.change_hudbar(player, "food", h)
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end)
function mcl_hunger.exhaust(playername, increase)
local player = minetest.get_player_by_name(playername)
mcl_hunger.exhaustion[playername] = mcl_hunger.exhaustion[playername] + increase
if mcl_hunger.exhaustion[playername] >= 4.0 then
mcl_hunger.exhaustion[playername] = 0.0
local h = nil
local satuchanged = false
if mcl_hunger.saturation[playername] > 0.0 then
mcl_hunger.saturation[playername] = math.max(mcl_hunger.saturation[playername] - 1.0, 0.0)
satuchanged = true
elseif mcl_hunger.saturation[playername] < 0.0001 then
h = mcl_hunger.get_hunger_raw(player)
h = h-1
mcl_hunger.hunger[playername] = h
mcl_hunger.set_hunger_raw(player)
satuchanged = true
end
if satuchanged then
hb.change_hudbar(player, "saturation", mcl_hunger.saturation[playername], h)
end
end
hb.change_hudbar(player, "exhaustion", mcl_hunger.exhaustion[playername])
end
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function mcl_hunger.saturate(playername, increase)
local player = minetest.get_player_by_name(playername)
mcl_hunger.saturation[playername] = math.min(mcl_hunger.saturation[playername] + increase, mcl_hunger.get_hunger(player))
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hb.change_hudbar(player, "saturation", mcl_hunger.saturation[playername], mcl_hunger.get_hunger(player))
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end
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local main_timer = 0
local timer = 0 -- Half second timer
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)
main_timer = main_timer + dtime
timer = timer + dtime
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
local name = player:get_player_name()
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local h = tonumber(mcl_hunger.hunger[name])
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local hp = player:get_hp()
if timer > 0.5 then
-- Quick heal (every 0.5s)
if h >= 20 and hp > 0 and hp < 20 then
-- +1 HP, +6 exhaustion
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player:set_hp(hp+1)
mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_REGEN)
-- Slow heal, and hunger damage (every 4s)
elseif timerMult == 0 then
if h >= 18 and hp > 0 and hp < 20 then
-- +1 HP, +6 exhaustion
player:set_hp(hp+1)
mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_REGEN)
hb.change_hudbar(player, "exhaustion", mcl_hunger.exhaustion[name])
elseif h == 0 then
-- Damage hungry player down to 1 HP
if hp-1 >= 0 then
player:set_hp(hp-1)
end
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end
end
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local controls = player:get_player_control()
-- Determine if the player is moving
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if controls.up or controls.down or controls.left or controls.right then
-- TODO: Add exhaustion for moving in water
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end
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-- Jumping
-- FIXME: This is quite hacky and doesn't check if the player is actually jumping
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if controls.jump then
mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_JUMP)
end
-- Reduce hunter if 0 saturation
if timerMult == 0 and h > 0 and mcl_hunger.saturation[name] < 0.0001 then
end
-- update all hud elements
update_hud(player)
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end
end
end
if timer > 0.5 then
timer = 0
timerMult = timerMult + 1
if timerMult > 7 then
timerMult = 0
end
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end
end)
end