mirror of
https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-12-05 09:13:16 +01:00
fce73ab2bf
* added a way to have a damage modifier relying on type instead of flag * added Slow Falling * added Levitation * added Health Boost * added Absorption
406 lines
15 KiB
Lua
406 lines
15 KiB
Lua
local modname = minetest.get_current_modname()
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local modpath = minetest.get_modpath(modname)
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local S = minetest.get_translator(modname)
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mcl_hunger = {}
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--[[ This variable tells you if the hunger gameplay mechanic is active.
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The state of the hunger mechanic will be determined at game start.
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Hunger is enabled when damage is enabled.
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If the damage setting is changed within the game, this does NOT
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update the hunger mechanic, so the game must be restarted for this
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to take effect. ]]
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mcl_hunger.active = false
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if minetest.settings:get_bool("enable_damage") == true and minetest.settings:get_bool("mcl_enable_hunger") ~= false then
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mcl_hunger.active = true
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end
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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 -- jump while sprinting
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mcl_hunger.EXHAUST_ATTACK = 100 -- hit an enemy
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mcl_hunger.EXHAUST_SWIM = 10 -- 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 -- taking damage (protected by armor)
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mcl_hunger.EXHAUST_REGEN = 6000 -- Regenerate 1 HP
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mcl_hunger.EXHAUST_HUNGER = 5 -- Hunger status effect at base level.
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mcl_hunger.EXHAUST_LVL = 4000 -- at what exhaustion player saturation gets lowered
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mcl_hunger.EATING_DELAY = tonumber(minetest.settings:get("mcl_eating_delay")) or 1.61
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mcl_hunger.EATING_WALK_SPEED = tonumber(minetest.settings:get("movement_speed_crouch")) / tonumber(minetest.settings:get("movement_speed_walk"))
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mcl_hunger.EATING_TOUCHSCREEN_DELAY_PADDING = 0.75
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mcl_hunger.SATURATION_INIT = 5 -- Initial saturation for new/respawning players
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-- Debug Mode. If enabled, saturation and exhaustion are shown as well.
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-- NOTE: Only updated when settings are loaded.
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mcl_hunger.debug = false
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-- Cooldown timers for each player, to force a short delay between consuming 2 food items
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mcl_hunger.last_eat = {}
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-- Is player eating API
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function mcl_hunger.is_eating(name)
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local result
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if name then
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if type(name) ~= "string" then
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name = name:get_player_name()
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end
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result = mcl_hunger.eat_internal[name].is_eating_no_padding
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end
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return result
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end
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-- Variables for each player, to handle delayed eating
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mcl_hunger.eat_internal = {}
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mcl_hunger.eat_anim_hud = {}
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-- Set per player internal variables for delayed eating
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minetest.register_on_joinplayer(function(player)
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local name = player:get_player_name()
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mcl_hunger.eat_internal[name] = {
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is_eating = false,
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is_eating_no_padding = false,
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itemname = nil,
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item_definition = nil,
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hp_change = nil,
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replace_with_item = nil,
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itemstack = nil,
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user = nil,
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pointed_thing = nil,
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pitch = nil,
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do_item_eat = false,
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_custom_itemstack = nil, -- Used as comparison to make sure _custom_wrapper only executes when the same item is eaten
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_custom_var = {}, -- Variables that can be used by _custom_var and _custom_wrapper
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_custom_func = nil, -- Can be executed by _custom_wrapper
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_custom_wrapper = nil, -- Will execute alongside minetest.do_item_eat if not empty and _custom_itemstack is equal to current player itemstack
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_custom_do_delayed = false, -- If true, then will execute only _custom_wrapper after holding RMB or LMB within a delay specified by mcl_hunger.EATING_DELAY (Use to bypass minetest.do_item_eat entirely)
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}
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playerphysics.remove_physics_factor(player, "speed", "mcl_hunger:eating_speed")
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player:hud_set_flags({wielditem = true})
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end)
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-- Clear when player leaves
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minetest.register_on_leaveplayer(function(player)
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local name = player:get_player_name()
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mcl_hunger.eat_internal[name] = nil
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mcl_hunger.eat_anim_hud[name] = nil
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end)
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dofile(modpath.."/api.lua")
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dofile(modpath.."/hunger.lua")
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dofile(modpath.."/register_foods.lua")
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--[[ IF HUNGER IS ENABLED ]]
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if mcl_hunger.active == true then
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-- Read debug mode setting
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-- The setting should only be read at the beginning, this mod is not
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-- prepared to change this setting later.
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mcl_hunger.debug = minetest.settings:get_bool("mcl_hunger_debug")
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if mcl_hunger.debug == nil then
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mcl_hunger.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 saturation and ranges from 0 to 20.
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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.poison_hunger = {} -- food poisoning, increasing hunger
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-- HUD
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local function init_hud(player)
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local name = player:get_player_name()
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hb.init_hudbar(player, "hunger", mcl_hunger.get_hunger(player))
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if mcl_hunger.debug then
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hb.init_hudbar(player, "saturation", mcl_hunger.get_saturation(player), mcl_hunger.get_hunger(player))
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hb.init_hudbar(player, "exhaustion", mcl_hunger.get_exhaustion(player))
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end
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mcl_hunger.eat_anim_hud[name] = player:hud_add({
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hud_elem_type = "image",
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text = "blank.png",
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position = {x = 0.5, y = 1},
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scale = {x = -25, y = -45},
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alignment = {x = 0, y = -1},
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offset = {x = 0, y = -30},
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z_index = -200,
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})
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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 mcl_hunger.debug then
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hb.change_hudbar(player, "saturation", saturation, hunger)
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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 mcl_hunger.debug then
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if not exhaustion then
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exhaustion = mcl_hunger.get_exhaustion(player)
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end
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hb.change_hudbar(player, "exhaustion", exhaustion)
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end
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end
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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" }, 1, 20, 20, false)
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if mcl_hunger.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" }, 1, mcl_hunger.SATURATION_INIT, 200, false)
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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" }, 1, 0, mcl_hunger.EXHAUST_LVL, false)
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end
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minetest.register_on_joinplayer(function(player)
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local name = player:get_player_name()
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mcl_hunger.init_player(player)
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init_hud(player)
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mcl_hunger.poison_hunger[name] = 0
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mcl_hunger.last_eat[name] = -1
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end)
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minetest.register_on_respawnplayer(function(player)
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-- reset hunger, related values and poison
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local name = player:get_player_name()
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mcl_hunger.stop_poison(player)
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mcl_hunger.last_eat[name] = -1
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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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-- PvP combat exhaustion
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minetest.register_on_punchplayer(function(victim, puncher, time_from_last_punch, tool_capabilities, dir, damage)
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if puncher:is_player() then
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mcl_hunger.exhaust(puncher:get_player_name(), mcl_hunger.EXHAUST_ATTACK)
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end
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end)
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-- Exhaust on taking damage
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minetest.register_on_player_hpchange(function(player, hp_change)
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if hp_change < 0 then
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local name = player:get_player_name()
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mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_DAMAGE)
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end
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end)
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local food_tick_timers = {} -- one food_tick_timer per player, keys are the player-objects
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local eat_start_timers = {}
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local eat_tick_timers = {}
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local eat_effects_cooldown = {}
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local function clear_eat_internal_and_timers(player, player_name)
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playerphysics.remove_physics_factor(player, "speed", "mcl_hunger:eating_speed")
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player:hud_set_flags({wielditem = true})
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player:hud_change(mcl_hunger.eat_anim_hud[player_name], "text", "blank.png")
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mcl_hunger.eat_internal[player_name] = {
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is_eating = false,
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is_eating_no_padding = false,
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itemname = nil,
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item_definition = nil,
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hp_change = nil,
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replace_with_item = nil,
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itemstack = nil,
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user = nil,
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pointed_thing = nil,
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pitch = nil,
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do_item_eat = false,
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_custom_itemstack = nil,
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_custom_var = {},
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_custom_func = nil,
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_custom_wrapper = nil,
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_custom_do_delayed = false,
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}
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eat_start_timers[player] = 0
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eat_tick_timers[player] = 0
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eat_effects_cooldown[player] = 0
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end
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minetest.register_globalstep(function(dtime)
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for _,player in pairs(minetest.get_connected_players()) do
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local food_tick_timer = food_tick_timers[player] and food_tick_timers[player] + dtime or 0
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local player_name = player:get_player_name()
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local food_level = mcl_hunger.get_hunger(player)
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local food_saturation_level = mcl_hunger.get_saturation(player)
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local player_health = player:get_hp()
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local max_tick_timer = tonumber(minetest.settings:get("mcl_health_regen_delay")) or 0.5
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if food_tick_timer > 4 then
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food_tick_timer = 0
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-- let hunger work always
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if player_health > 0 then
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--mcl_hunger.exhaust(player_name, mcl_hunger.EXHAUST_HUNGER) -- later for hunger status effect
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mcl_hunger.update_exhaustion_hud(player)
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end
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if food_level >= 18 then -- slow regeneration
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if player_health > 0 and player_health < player:get_properties().hp_max then
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player:set_hp(player_health+1)
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mcl_hunger.exhaust(player_name, mcl_hunger.EXHAUST_REGEN)
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mcl_hunger.update_exhaustion_hud(player)
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end
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elseif food_level == 0 then -- starvation
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-- the amount of health at which a player will stop to get
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-- harmed by starvation (10 for Easy, 1 for Normal, 0 for Hard)
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local maximum_starvation = 1
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-- TODO: implement Minecraft-like difficulty modes and the update maximumStarvation here
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if player_health > maximum_starvation then
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mcl_util.deal_damage(player, 1, {type = "starve"})
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end
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end
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elseif food_tick_timer > max_tick_timer and food_level == 20 and food_saturation_level > 0 then -- fast regeneration
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if player_health > 0 and player_health < player:get_properties().hp_max then
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food_tick_timer = 0
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player:set_hp(player_health+1)
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mcl_hunger.exhaust(player_name, mcl_hunger.EXHAUST_REGEN)
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mcl_hunger.update_exhaustion_hud(player)
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end
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end
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food_tick_timers[player] = food_tick_timer -- update food_tick_timer table
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-- Eating delay code
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if mcl_hunger.eat_internal[player_name] and mcl_hunger.eat_internal[player_name].is_eating or mcl_hunger.eat_internal[player_name]._custom_do_delayed then
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mcl_hunger.eat_internal[player_name].is_eating = true
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mcl_hunger.eat_internal[player_name].is_eating_no_padding = true
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local control = player:get_player_control()
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local inv = player:get_inventory()
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local current_itemstack = player:get_wielded_item()
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if not eat_start_timers[player] then
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eat_start_timers[player] = 0
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end
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eat_start_timers[player] = eat_start_timers[player] + dtime
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if not eat_tick_timers[player] then
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eat_tick_timers[player] = 0
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end
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if not eat_effects_cooldown[player] then
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eat_effects_cooldown[player] = 0
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end
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if not mcl_hunger.eat_internal[player_name].pitch then
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mcl_hunger.eat_internal[player_name].pitch = 1 + math.random(-10, 10)*0.005
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end
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-- check if holding RMB (or LMB as workaround for touchscreen)
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if (current_itemstack == mcl_hunger.eat_internal[player_name].itemstack or current_itemstack == mcl_hunger.eat_internal[player_name]._custom_itemstack) and (control.RMB or control.LMB) then
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eat_tick_timers[player] = eat_tick_timers[player] + dtime
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eat_effects_cooldown[player] = eat_effects_cooldown[player] + dtime
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playerphysics.add_physics_factor(player, "speed", "mcl_hunger:eating_speed", mcl_hunger.EATING_WALK_SPEED)
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player:hud_set_flags({wielditem = false})
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local itemstackdef = current_itemstack:get_definition()
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local wield_image = itemstackdef.wield_image
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if not wield_image or wield_image == "" then wield_image = itemstackdef.inventory_image end
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player:hud_change(mcl_hunger.eat_anim_hud[player_name], "text", wield_image)
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player:hud_change(mcl_hunger.eat_anim_hud[player_name], "offset", {x = 0, y = 50*math.sin(10*eat_tick_timers[player]+math.random())-50})
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if eat_effects_cooldown[player] > 0.2 then
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eat_effects_cooldown[player] = 0
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if not mcl_hunger.eat_internal[player_name].user then
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mcl_hunger.eat_internal[player_name].user = player
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end
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if not mcl_hunger.eat_internal[player_name].itemname then
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mcl_hunger.eat_internal[player_name].itemname = current_itemstack:get_name()
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end
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if not mcl_hunger.eat_internal[player_name].hp_change then
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mcl_hunger.eat_internal[player_name].hp_change = 0
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end
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local pos = player:get_pos()
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local itemname = mcl_hunger.eat_internal[player_name].itemname
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local def = minetest.registered_items[itemname]
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mcl_hunger.eat_effects(
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mcl_hunger.eat_internal[player_name].user,
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mcl_hunger.eat_internal[player_name].itemname,
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pos,
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mcl_hunger.eat_internal[player_name].hp_change,
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def,
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mcl_hunger.eat_internal[player_name].pitch
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)
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end
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-- check if eating delay is over
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if eat_tick_timers[player] >= mcl_hunger.EATING_DELAY then
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if not mcl_hunger.eat_internal[player_name]._custom_do_delayed then
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mcl_hunger.eat_internal[player_name].do_item_eat = true
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minetest.do_item_eat(
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mcl_hunger.eat_internal[player_name].hp_change,
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mcl_hunger.eat_internal[player_name].replace_with_item,
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mcl_hunger.eat_internal[player_name].itemstack,
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mcl_hunger.eat_internal[player_name].user,
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mcl_hunger.eat_internal[player_name].pointed_thing
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)
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-- bypass minetest.do_item_eat and only execute _custom_wrapper
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elseif mcl_hunger.eat_internal[player_name]._custom_itemstack and
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mcl_hunger.eat_internal[player_name]._custom_wrapper and
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mcl_hunger.eat_internal[player_name]._custom_itemstack == current_itemstack then
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mcl_hunger.eat_internal[player_name]._custom_wrapper(player_name)
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player:get_inventory():set_stack("main", player:get_wield_index(), itemstack)
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end
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clear_eat_internal_and_timers(player, player_name)
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end
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elseif eat_start_timers[player] and eat_start_timers[player] > 0.2 then
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playerphysics.remove_physics_factor(player, "speed", "mcl_hunger:eating_speed")
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player:hud_set_flags({wielditem = true})
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player:hud_change(mcl_hunger.eat_anim_hud[player_name], "text", "blank.png")
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mcl_hunger.eat_internal[player_name].is_eating_no_padding = false
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elseif eat_start_timers[player] and eat_start_timers[player] > mcl_hunger.EATING_TOUCHSCREEN_DELAY_PADDING then
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clear_eat_internal_and_timers(player, player_name)
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end
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end
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if eat_start_timers[player] and eat_start_timers[player] > mcl_hunger.EATING_DELAY + mcl_hunger.EATING_TOUCHSCREEN_DELAY_PADDING then
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clear_eat_internal_and_timers(player, player_name)
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end
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end
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end)
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--[[ IF HUNGER IS NOT ENABLED ]]
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else
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minetest.register_on_joinplayer(function(player)
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mcl_hunger.init_player(player)
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mcl_hunger.last_eat[player:get_player_name()] = -1
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end)
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end
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