Camas/mods/hunger/init.lua

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--
-- Hunger mod
-- For nodetest
-- Tweaked by Kaadmy, for Pixture
--
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local S = minetest.get_translator("hunger")
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hunger = {}
-- Per-player userdata
hunger.userdata = {}
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local particlespawners = {}
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local player_step = {}
local player_health_step = {}
local player_bar = {}
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local hunger_file = minetest.get_worldpath() .. "/hunger.dat"
local saving = false
-- Seconds per hunger update, 2.0 is slightly fast
local timer_interval = tonumber(minetest.settings:get("hunger_step")) or 3.0
local timer = 0
local function save_hunger()
local f = io.open(hunger_file, "w")
for name, data in pairs(hunger.userdata) do
f:write(data.hunger .. " " .. data.saturation .. " " .. name .. "\n")
end
io.close(f)
saving = false
end
local function delayed_save()
if not saving then
saving = true
minetest.after(40, save_hunger)
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end
end
local function load_hunger()
local f = io.open(hunger_file, "r")
if f then
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repeat
local hnger = f:read("*n")
local sat = f:read("*n")
local name = f:read("*l")
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if name == nil or sat == nil then
break
end
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name = name:sub(2)
if not hunger.userdata[name] then
hunger.userdata[name] = {
hunger = 20,
active = 0,
moving = 0,
saturation = 0,
}
end
if hnger then
hunger.userdata[name].hunger = hnger
end
if sat then
hunger.userdata[name].saturation = sat
end
until f:read(0) == nil
io.close(f)
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else
save_hunger()
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end
end
local function on_load()
load_hunger()
end
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local function on_shutdown()
save_hunger()
end
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function hunger.update_bar(player)
if not player then
return
end
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local name = player:get_player_name()
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if player_bar[name] then
player:hud_change(player_bar[name], "number", hunger.userdata[name].hunger)
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else
player_bar[name] = player:hud_add(
{
hud_elem_type = "statbar",
position = {x=0.5,y=1.0},
text = "hunger.png",
number = hunger.userdata[name].hunger,
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dir = 0,
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size = {x=24, y=24},
offset = {x=16, y=-(48+24+24)},
})
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end
end
local function on_dignode(pos, oldnode, player)
if not player then
return
end
local name = player:get_player_name()
hunger.userdata[name].active = hunger.userdata[name].active + 2
end
local function on_placenode(pos, node, player)
if not player then
return
end
local name = player:get_player_name()
hunger.userdata[name].active = hunger.userdata[name].active + 2
end
local function on_joinplayer(player)
local name = player:get_player_name()
if not hunger.userdata[name] then
hunger.userdata[name] = {
hunger = 20,
active = 0,
moving = 0,
saturation = 0,
}
end
player:hud_add(
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{
hud_elem_type = "statbar",
position = {x=0.5,y=1.0},
text = "hunger.png^[colorize:#666666:255",
number = 20,
dir = 0,
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size = {x=24, y=24},
offset = {x=16, y=-(48+24+24)},
})
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hunger.update_bar(player)
end
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local function on_leaveplayer(player)
local name = player:get_player_name()
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player_bar[name] = nil
end
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local function on_respawnplayer(player)
local name = player:get_player_name()
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hunger.userdata[name].hunger = 20
hunger.update_bar(player)
delayed_save()
end
local function on_item_eat(hpdata, replace_with_item, itemstack,
player, pointed_thing)
if not player then return end
if not hpdata then return end
local hp_change = 0
local saturation = 2
if type(hpdata) == "number" then
hp_change = hpdata
else
hp_change = hpdata.hp
saturation = hpdata.sat
end
local name = player:get_player_name()
hunger.userdata[name].hunger = hunger.userdata[name].hunger + hp_change
hunger.userdata[name].hunger = math.min(20, hunger.userdata[name].hunger)
hunger.userdata[name].saturation = math.min(100, hunger.userdata[name].saturation
+ saturation)
local headpos = player:get_pos()
headpos.y = headpos.y + 1
minetest.sound_play("hunger_eat", {pos = headpos, max_hear_distance = 8})
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particlespawners[name] = minetest.add_particlespawner(
{
amount = 10,
time = 0.1,
minpos = {x = headpos.x - 0.3, y = headpos.y - 0.3, z = headpos.z - 0.3},
maxpos = {x = headpos.x + 0.3, y = headpos.y + 0.3, z = headpos.z + 0.3},
minvel = {x = -1, y = -1, z = -1},
maxvel = {x = 1, y = 0, z = 1},
minacc = {x = 0, y = 6, z = 0},
maxacc = {x = 0, y = 1, z = 0},
minexptime = 0.5,
maxexptime = 1,
minsize = 0.5,
maxsize = 2,
texture = "magicpuff.png"
})
minetest.after(0.15, function()
minetest.delete_particlespawner(particlespawners[name])
end)
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player_effects.apply_effect(player, "hunger_eating")
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hunger.update_bar(player)
delayed_save()
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itemstack:take_item(1)
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return itemstack
end
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local function on_globalstep(dtime)
timer = timer + dtime
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if timer < timer_interval then
return
end
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timer = 0
for _,player in ipairs(minetest.get_connected_players()) do
local name = player:get_player_name()
local controls = player:get_player_control()
local moving = 0
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if controls.up or controls.down or controls.left or controls.right then
moving = moving + 1
end
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if controls.sneak and not controls.aux1 then
moving = moving - 1
end
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if controls.jump then
moving = moving + 1
end
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if controls.aux1 then -- sprinting
moving = moving + 3
end
hunger.userdata[name].moving = math.max(0, moving)
end
for _,player in ipairs(minetest.get_connected_players()) do
local name = player:get_player_name()
local hp = player:get_hp()
if hunger.userdata[name] == nil then
hunger.userdata[name] = {
hunger = 20,
active = 0,
moving = 0,
saturation = 0,
}
end
if not player_step[name] then
player_step[name] = 0
end
hunger.userdata[name].active = hunger.userdata[name].active +
hunger.userdata[name].moving
player_step[name] = player_step[name] + hunger.userdata[name].active + 1
hunger.userdata[name].saturation = hunger.userdata[name].saturation - 1
if hunger.userdata[name].saturation <= 0 then
hunger.userdata[name].saturation = 0
if player_step[name] >= 24 then -- how much the player has been active
player_step[name] = 0
hunger.userdata[name].hunger = hunger.userdata[name].hunger - 1
if hunger.userdata[name].hunger <= 0 and hp >= 0 then
player:set_hp(hp - 1)
hunger.userdata[name].hunger = 0
local pos_sound = player:get_pos()
minetest.chat_send_player(
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name, minetest.colorize("#f00", S("You are hungry.")))
end
end
end
hunger.userdata[name].active = 0
hunger.update_bar(player)
if player_health_step[name] == nil then player_health_step[name] = 0 end
player_health_step[name] = player_health_step[name] + 1
if hp > 0 and hp < 20 and player_health_step[name] >= 5
and hunger.userdata[name].hunger >= 16 then
player_health_step[name] = 0
player:set_hp(hp+1)
end
end
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delayed_save()
end
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local function fake_on_item_eat(hpdata, replace_with_item, itemstack,
player, pointed_thing)
local headpos = player:get_pos()
headpos.y = headpos.y + 1
minetest.sound_play(
"hunger_eat",
{
pos = headpos,
max_hear_distance = 8
})
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itemstack:take_item(1)
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return itemstack
end
if minetest.settings:get_bool("enable_damage") and minetest.settings:get_bool("hunger_enable") then
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minetest.after(0, on_load)
minetest.register_on_shutdown(on_shutdown)
minetest.register_on_dignode(on_dignode)
minetest.register_on_placenode(on_placenode)
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minetest.register_on_joinplayer(on_joinplayer)
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minetest.register_on_leaveplayer(on_leaveplayer)
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minetest.register_on_respawnplayer(on_respawnplayer)
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minetest.register_on_item_eat(on_item_eat)
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minetest.register_globalstep(on_globalstep)
else
minetest.register_on_item_eat(fake_on_item_eat)
end
player_effects.register_effect(
"hunger_eating",
{
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title = S("Eating"),
description = S("You're eating food, which slows you down"),
duration = 2,
physics = {
speed = 0.6,
}
})