forked from VoxeLibre/VoxeLibre
248 lines
8.7 KiB
Lua
248 lines
8.7 KiB
Lua
-- wrapper for minetest.item_eat (this way we make sure other mods can't break this one)
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local org_eat = core.do_item_eat
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core.do_item_eat = function(hp_change, replace_with_item, itemstack, user, pointed_thing)
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-- Call on_rightclick if the pointed node defines it
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if pointed_thing.type == "node" then
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local node = minetest.get_node(pointed_thing.under)
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if user and not user:get_player_control().sneak then
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if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
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return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, user, itemstack) or itemstack
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end
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end
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end
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local old_itemstack = itemstack
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local name = user:get_player_name()
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-- Allow eating only after a delay of 2 seconds.
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-- This prevents eating as an excessive speed.
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-- Yes, os.time() is not a precise timer but it is good enough for our purposes.
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-- FIXME: In singleplayer, there's a cheat to circumvent this, simply by pausing the game between eats.
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-- This is because os.time() obviously does not care about the pause. A fix needs a different timer mechanism.
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if (mcl_hunger.last_eat[name] < 0) or (os.difftime(os.time(), mcl_hunger.last_eat[name]) >= 2) then
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itemstack = mcl_hunger.eat(hp_change, replace_with_item, itemstack, user, pointed_thing)
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for _, callback in pairs(core.registered_on_item_eats) do
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local result = callback(hp_change, replace_with_item, itemstack, user, pointed_thing, old_itemstack)
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if result then
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return result
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end
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end
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mcl_hunger.last_eat[name] = os.time()
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end
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return itemstack
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end
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-- food functions
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local food = {}
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function mcl_hunger.register_food(name, hunger_change, replace_with_item, poisontime, poison, exhaust, poisonchance, sound)
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food[name] = {}
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food[name].saturation = hunger_change -- hunger points added
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food[name].replace = replace_with_item -- what item is given back after eating
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food[name].poisontime = poisontime -- time it is poisoning. If this is set, this item is considered poisonous,
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-- otherwise the following poison/exhaust fields are ignored
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food[name].poison = poison -- poison damage per tick for poisonous food
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food[name].exhaust = exhaust -- exhaustion per tick for poisonous food
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food[name].poisonchance = poisonchance -- chance percentage that this item poisons the player (default: 100% if poisoning is enabled)
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food[name].sound = sound -- special sound that is played when eating
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end
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function mcl_hunger.eat(hp_change, replace_with_item, itemstack, user, pointed_thing)
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local item = itemstack:get_name()
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local def = food[item]
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if not def then
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def = {}
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if type(hp_change) ~= "number" then
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hp_change = 1
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core.log("error", "Wrong on_use() definition for item '" .. item .. "'")
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end
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def.saturation = hp_change
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def.replace = replace_with_item
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end
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local func = mcl_hunger.item_eat(def.saturation, def.replace, def.poisontime, def.poison, def.exhaust, def.poisonchance, def.sound)
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return func(itemstack, user, pointed_thing)
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end
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-- Reset HUD bars after poisoning
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local function reset_bars(player)
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hb.change_hudbar(player, "health", nil, nil, "hudbars_icon_health.png", nil, "hudbars_bar_health.png")
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hb.change_hudbar(player, "hunger", nil, nil, "hbhunger_icon.png", nil, "hbhunger_bar.png")
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if mcl_hunger.debug then
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hb.change_hudbar(player, "exhaustion", nil, nil, nil, nil, "mcl_hunger_bar_exhaustion.png")
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end
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end
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-- Poison player
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local function poisonp(tick, time, time_left, damage, exhaustion, player)
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-- First check if player is still there
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if not player:is_player() then
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return
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end
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-- Abort if poisonings have been stopped
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if mcl_hunger.poisonings[player:get_player_name()] == 0 then
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return
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end
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time_left = time_left + tick
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if time_left < time then
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minetest.after(tick, poisonp, tick, time, time_left, damage, exhaustion, player)
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else
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mcl_hunger.poisonings[player:get_player_name()] = mcl_hunger.poisonings[player:get_player_name()] - 1
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if mcl_hunger.poisonings[player:get_player_name()] <= 0 then
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reset_bars(player)
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end
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end
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-- Deal damage and exhaust player
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if player:get_hp()-damage > 0 then
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player:set_hp(player:get_hp()-damage)
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end
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mcl_hunger.exhaust(player:get_player_name(), exhaustion)
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end
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-- Immediately stop all poisonings for this player
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function mcl_hunger.stop_poison(player)
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mcl_hunger.poisonings[player:get_player_name()] = 0
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reset_bars(player)
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end
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local poisonrandomizer = PseudoRandom(os.time())
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function mcl_hunger.item_eat(hunger_change, replace_with_item, poisontime, poison, exhaust, poisonchance, sound)
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return function(itemstack, user, pointed_thing)
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local itemname = itemstack:get_name()
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if itemstack:take_item() ~= nil and user ~= nil then
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local name = user:get_player_name()
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local hp = user:get_hp()
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local pos = user:getpos()
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-- player height
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pos.y = pos.y + 1.5
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local foodtype = minetest.get_item_group(itemname, "food")
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if foodtype == 3 then
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-- Item is a drink, only play drinking sound (no particle)
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minetest.sound_play("survival_thirst_drink", {
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pos = pos,
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max_hear_distance = 12,
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gain = 1.0,
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})
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else
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-- Assume the item is a food
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-- Add eat particle effect and sound
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local def = minetest.registered_items[itemname]
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local texture = def.inventory_image
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if not texture or texture == "" then
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texture = def.wield_image
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end
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-- Special item definition field: _food_particles
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-- If false, force item to not spawn any food partiles when eaten
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if def._food_particles ~= false and texture and texture ~= "" then
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local v = user:get_player_velocity()
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local minvel = vector.add(v, {x=-1, y=1, z=-1})
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local maxvel = vector.add(v, {x=1, y=2, z=1})
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minetest.add_particlespawner({
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amount = math.min(math.max(8, hunger_change*2), 25),
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time = 0.1,
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minpos = {x=pos.x, y=pos.y, z=pos.z},
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maxpos = {x=pos.x, y=pos.y, z=pos.z},
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minvel = minvel,
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maxvel = maxvel,
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minacc = {x=0, y=-5, z=0},
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maxacc = {x=0, y=-9, z=0},
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minexptime = 1,
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maxexptime = 1,
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minsize = 1,
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maxsize = 2,
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collisiondetection = true,
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vertical = false,
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texture = texture,
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})
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end
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minetest.sound_play("mcl_hunger_bite", {
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pos = pos,
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max_hear_distance = 12,
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gain = 1.0,
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})
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end
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if hunger_change then
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-- Add saturation (must be defined in item table)
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local _mcl_saturation = minetest.registered_items[itemname]._mcl_saturation
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local saturation
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if not _mcl_saturation then
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saturation = 0
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else
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saturation = math.floor(minetest.registered_items[itemname]._mcl_saturation * 10)
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end
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mcl_hunger.saturate(name, saturation, false)
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-- Add food points
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local h = mcl_hunger.get_hunger(user)
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if h < 20 and hunger_change then
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h = h + hunger_change
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if h > 20 then h = 20 end
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mcl_hunger.set_hunger(user, h, false)
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end
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hb.change_hudbar(user, "hunger", h)
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mcl_hunger.update_saturation_hud(user, mcl_hunger.get_saturation(user), h)
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end
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-- Poison
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if poisontime then
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local do_poison = false
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if poisonchance then
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if poisonrandomizer:next(0,100) < poisonchance then
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do_poison = true
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end
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else
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do_poison = true
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end
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if do_poison then
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-- Set poison bars
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if poison and poison > 0 then
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hb.change_hudbar(user, "health", nil, nil, "hbhunger_icon_health_poison.png", nil, "hbhunger_bar_health_poison.png")
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end
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if exhaust and exhaust > 0 then
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hb.change_hudbar(user, "hunger", nil, nil, "mcl_hunger_icon_foodpoison.png", nil, "mcl_hunger_bar_foodpoison.png")
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if mcl_hunger.debug then
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hb.change_hudbar(user, "exhaustion", nil, nil, nil, nil, "mcl_hunger_bar_foodpoison.png")
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end
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end
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mcl_hunger.poisonings[name] = mcl_hunger.poisonings[name] + 1
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poisonp(1, poisontime, 0, poison, exhaust, user)
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end
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end
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--sound:eat
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itemstack:add_item(replace_with_item)
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end
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return itemstack
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end
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end
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-- player-action based hunger changes
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minetest.register_on_dignode(function(pos, oldnode, player)
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-- is_fake_player comes from the pipeworks, we are not interested in those
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if not player or not player:is_player() or player.is_fake_player == true then
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return
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end
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local name = player:get_player_name()
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-- dig event
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mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_DIG)
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end)
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-- Apply simple poison effect as long there are no real status effect
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-- TODO: Remove this when status effects are in place
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mcl_hunger.register_food("mcl_farming:potato_item_poison", 2, "", 4, 1, 0, 60)
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mcl_hunger.register_food("mcl_mobitems:rotten_flesh", 4, "", 30, 0, 100, 80)
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mcl_hunger.register_food("mcl_mobitems:chicken", 2, "", 30, 0, 100, 30)
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mcl_hunger.register_food("mcl_mobitems:spider_eye", 2, "", 4, 1, 0)
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mcl_hunger.register_food("mcl_fishing:pufferfish_raw", 1, "", 60, 1, 300)
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