techage_modpack_ru_upd/stamina/init.lua
2020-11-02 18:46:57 +01:00

556 lines
16 KiB
Lua

if not minetest.settings:get_bool("enable_damage") then
minetest.log("warning", "[stamina] Stamina will not load if damage is disabled (enable_damage=false)")
return
end
stamina = {}
local modname = minetest.get_current_modname()
local armor_mod = minetest.get_modpath("3d_armor") and minetest.global_exists("armor") and armor.def
local player_monoids_mod = minetest.get_modpath("player_monoids") and minetest.global_exists("player_monoids")
function stamina.log(level, message, ...)
return minetest.log(level, ("[%s] %s"):format(modname, message:format(...)))
end
local function get_setting(key, default)
local value = minetest.settings:get("stamina." .. key)
local num_value = tonumber(value)
if value and not num_value then
stamina.log("warning", "Invalid value for setting %s: %q. Using default %q.", key, value, default)
end
return num_value or default
end
stamina.settings = {
-- see settingtypes.txt for descriptions
eat_particles = minetest.settings:get_bool("stamina.eat_particles", true),
sprint = minetest.settings:get_bool("stamina.sprint", true),
sprint_particles = minetest.settings:get_bool("stamina.sprint_particles", true),
sprint_lvl = get_setting("sprint_lvl", 6),
sprint_speed = get_setting("sprint_speed", 0.8),
sprint_jump = get_setting("sprint_jump", 0.1),
sprint_with_fast = minetest.settings:get_bool("stamina.sprint_with_fast", false),
tick = get_setting("tick", 800),
tick_min = get_setting("tick_min", 4),
health_tick = get_setting("health_tick", 4),
move_tick = get_setting("move_tick", 0.5),
poison_tick = get_setting("poison_tick", 2.0),
exhaust_dig = get_setting("exhaust_dig", 3),
exhaust_place = get_setting("exhaust_place", 1),
exhaust_move = get_setting("exhaust_move", 1.5),
exhaust_jump = get_setting("exhaust_jump", 5),
exhaust_craft = get_setting("exhaust_craft", 20),
exhaust_punch = get_setting("exhaust_punch", 40),
exhaust_sprint = get_setting("exhaust_sprint", 28),
exhaust_lvl = get_setting("exhaust_lvl", 160),
heal = get_setting("heal", 1),
heal_lvl = get_setting("heal_lvl", 5),
starve = get_setting("starve", 1),
starve_lvl = get_setting("starve_lvl", 3),
visual_max = get_setting("visual_max", 20),
}
local settings = stamina.settings
local attribute = {
saturation = "stamina:level",
poisoned = "stamina:poisoned",
exhaustion = "stamina:exhaustion",
}
local function is_player(player)
return (
minetest.is_player(player) and
not player.is_fake_player
)
end
local function set_player_attribute(player, key, value)
if player.get_meta then
if value == nil then
player:get_meta():set_string(key, "")
else
player:get_meta():set_string(key, tostring(value))
end
else
player:set_attribute(key, value)
end
end
local function get_player_attribute(player, key)
if player.get_meta then
return player:get_meta():get_string(key)
else
return player:get_attribute(key)
end
end
local hud_ids_by_player_name = {}
local function get_hud_id(player)
return hud_ids_by_player_name[player:get_player_name()] or 0
end
local function set_hud_id(player, hud_id)
hud_ids_by_player_name[player:get_player_name()] = hud_id
end
--- SATURATION API ---
function stamina.get_saturation(player)
return tonumber(get_player_attribute(player, attribute.saturation))
end
function stamina.set_saturation(player, level)
set_player_attribute(player, attribute.saturation, level)
player:hud_change(
get_hud_id(player),
"number",
math.min(settings.visual_max, level)
)
end
stamina.registered_on_update_saturations = {}
function stamina.register_on_update_saturation(fun)
table.insert(stamina.registered_on_update_saturations, fun)
end
function stamina.update_saturation(player, level)
for _, callback in ipairs(stamina.registered_on_update_saturations) do
local result = callback(player, level)
if result then
return result
end
end
local old = stamina.get_saturation(player)
if level == old then -- To suppress HUD update
return
end
-- players without interact priv cannot eat
if old < settings.heal_lvl and not minetest.check_player_privs(player, {interact=true}) then
return
end
stamina.set_saturation(player, level)
end
function stamina.change_saturation(player, change)
if not is_player(player) or not change or change == 0 then
return false
end
local level = stamina.get_saturation(player) + change
level = math.max(level, 0)
level = math.min(level, settings.visual_max)
stamina.update_saturation(player, level)
return true
end
stamina.change = stamina.change_saturation -- for backwards compatablity
--- END SATURATION API ---
--- POISON API ---
function stamina.is_poisoned(player)
return get_player_attribute(player, attribute.poisoned) == "yes"
end
function stamina.set_poisoned(player, poisoned)
local hud_id = get_hud_id(player)
if poisoned then
player:hud_change(hud_id, "text", "stamina_hud_poison.png")
set_player_attribute(player, attribute.poisoned, "yes")
else
player:hud_change(hud_id, "text", "stamina_hud_fg.png")
set_player_attribute(player, attribute.poisoned, "no")
end
end
local function poison_tick(player_name, ticks, interval, elapsed)
local player = minetest.get_player_by_name(player_name)
if not player or not stamina.is_poisoned(player) then
return
elseif elapsed > ticks then
stamina.set_poisoned(player, false)
else
local hp = player:get_hp() - 1
if hp > 0 then
player:set_hp(hp)
end
minetest.after(interval, poison_tick, player_name, ticks, interval, elapsed + 1)
end
end
stamina.registered_on_poisons = {}
function stamina.register_on_poison(fun)
table.insert(stamina.registered_on_poisons, fun)
end
function stamina.poison(player, ticks, interval)
for _, fun in ipairs(stamina.registered_on_poisons) do
local rv = fun(player, ticks, interval)
if rv == true then
return
end
end
if not is_player(player) then
return
end
stamina.set_poisoned(player, true)
local player_name = player:get_player_name()
poison_tick(player_name, ticks, interval, 0)
end
--- END POISON API ---
--- EXHAUSTION API ---
stamina.exhaustion_reasons = {
craft = "craft",
dig = "dig",
heal = "heal",
jump = "jump",
move = "move",
place = "place",
punch = "punch",
sprint = "sprint",
}
function stamina.get_exhaustion(player)
return tonumber(get_player_attribute(player, attribute.exhaustion))
end
function stamina.set_exhaustion(player, exhaustion)
set_player_attribute(player, attribute.exhaustion, exhaustion)
end
stamina.registered_on_exhaust_players = {}
function stamina.register_on_exhaust_player(fun)
table.insert(stamina.registered_on_exhaust_players, fun)
end
function stamina.exhaust_player(player, change, cause)
for _, callback in ipairs(stamina.registered_on_exhaust_players) do
local result = callback(player, change, cause)
if result then
return result
end
end
if not is_player(player) then
return
end
local exhaustion = stamina.get_exhaustion(player) or 0
exhaustion = exhaustion + change
if exhaustion >= settings.exhaust_lvl then
exhaustion = exhaustion - settings.exhaust_lvl
stamina.change(player, -1)
end
stamina.set_exhaustion(player, exhaustion)
end
--- END EXHAUSTION API ---
--- SPRINTING API ---
stamina.registered_on_sprintings = {}
function stamina.register_on_sprinting(fun)
table.insert(stamina.registered_on_sprintings, fun)
end
function stamina.set_sprinting(player, sprinting)
for _, fun in ipairs(stamina.registered_on_sprintings) do
local rv = fun(player, sprinting)
if rv == true then
return
end
end
if player and player:get_meta() and player:get_meta():get_int("player_physics_locked") ~= 0 then
return
end
if player_monoids_mod then
if sprinting then
player_monoids.speed:add_change(player, 1 + settings.sprint_speed, "stamina:physics")
player_monoids.jump:add_change(player, 1 + settings.sprint_jump, "stamina:physics")
else
player_monoids.speed:del_change(player, "stamina:physics")
player_monoids.jump:del_change(player, "stamina:physics")
end
else
local def
if armor_mod then
-- Get player physics from 3d_armor mod
local name = player:get_player_name()
def = {
speed=armor.def[name].speed,
jump=armor.def[name].jump,
gravity=armor.def[name].gravity
}
else
def = {
speed=1,
jump=1,
gravity=1
}
end
if sprinting then
def.speed = def.speed + settings.sprint_speed
def.jump = def.jump + settings.sprint_jump
end
player:set_physics_override(def)
end
if settings.sprint_particles and sprinting then
local pos = player:getpos()
local node = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z})
local def = minetest.registered_nodes[node.name] or {}
local drawtype = def.drawtype
if drawtype ~= "airlike" and drawtype ~= "liquid" and drawtype ~= "flowingliquid" then
minetest.add_particlespawner({
amount = 5,
time = 0.01,
minpos = {x = pos.x - 0.25, y = pos.y + 0.1, z = pos.z - 0.25},
maxpos = {x = pos.x + 0.25, y = pos.y + 0.1, z = pos.z + 0.25},
minvel = {x = -0.5, y = 1, z = -0.5},
maxvel = {x = 0.5, y = 2, z = 0.5},
minacc = {x = 0, y = -5, z = 0},
maxacc = {x = 0, y = -12, z = 0},
minexptime = 0.25,
maxexptime = 0.5,
minsize = 0.5,
maxsize = 1.0,
vertical = false,
collisiondetection = false,
texture = "default_dirt.png",
})
end
end
end
--- END SPRINTING API ---
-- Time based stamina functions
local function move_tick()
for _,player in ipairs(minetest.get_connected_players()) do
local controls = player:get_player_control()
local is_moving = controls.up or controls.down or controls.left or controls.right
local velocity = player:get_player_velocity()
velocity.y = 0
local horizontal_speed = vector.length(velocity)
local has_velocity = horizontal_speed > 0.05
if controls.jump then
stamina.exhaust_player(player, settings.exhaust_jump, stamina.exhaustion_reasons.jump)
elseif is_moving and has_velocity then
stamina.exhaust_player(player, settings.exhaust_move, stamina.exhaustion_reasons.move)
end
if settings.sprint then
local can_sprint = (
controls.aux1 and
not player:get_attach() and
(settings.sprint_with_fast or not minetest.check_player_privs(player, {fast = true})) and
stamina.get_saturation(player) > settings.sprint_lvl
)
if can_sprint then
stamina.set_sprinting(player, true)
if is_moving and has_velocity then
stamina.exhaust_player(player, settings.exhaust_sprint, stamina.exhaustion_reasons.sprint)
end
else
stamina.set_sprinting(player, false)
end
end
end
end
local function stamina_tick()
-- lower saturation by 1 point after settings.tick second(s)
for _,player in ipairs(minetest.get_connected_players()) do
local saturation = stamina.get_saturation(player)
if saturation > settings.tick_min then
stamina.update_saturation(player, saturation - 1)
end
end
end
local function health_tick()
-- heal or damage player, depending on saturation
for _,player in ipairs(minetest.get_connected_players()) do
local air = player:get_breath() or 0
local hp = player:get_hp()
local saturation = stamina.get_saturation(player)
-- don't heal if dead, drowning, or poisoned
local should_heal = (
saturation >= settings.heal_lvl and
saturation >= hp and
hp > 0 and
air > 0
and not stamina.is_poisoned(player)
)
-- or damage player by 1 hp if saturation is < 2 (of 30)
local is_starving = (
saturation < settings.starve_lvl and
hp > 0
)
if should_heal then
player:set_hp(hp + settings.heal)
stamina.exhaust_player(player, settings.exhaust_lvl, stamina.exhaustion_reasons.heal)
elseif is_starving then
player:set_hp(hp - settings.starve)
end
end
end
local stamina_timer = 0
local health_timer = 0
local action_timer = 0
local function stamina_globaltimer(dtime)
stamina_timer = stamina_timer + dtime
health_timer = health_timer + dtime
action_timer = action_timer + dtime
if action_timer > settings.move_tick then
action_timer = 0
move_tick()
end
if stamina_timer > settings.tick then
stamina_timer = 0
stamina_tick()
end
if health_timer > settings.health_tick then
health_timer = 0
health_tick()
end
end
-- override minetest.do_item_eat() so we can redirect hp_change to stamina
stamina.core_item_eat = minetest.do_item_eat
function minetest.do_item_eat(hp_change, replace_with_item, itemstack, player, pointed_thing)
for _, callback in ipairs(minetest.registered_on_item_eats) do
local result = callback(hp_change, replace_with_item, itemstack, player, pointed_thing)
if result then
return result
end
end
if not is_player(player) or not itemstack then
return itemstack
end
local level = stamina.get_saturation(player) or 0
if level >= settings.visual_max then
-- don't eat if player is full
return itemstack
end
local itemname = itemstack:get_name()
if replace_with_item then
stamina.log("action", "%s eats %s for %s stamina, replace with %s",
player:get_player_name(), itemname, hp_change, replace_with_item)
else
stamina.log("action", "%s eats %s for %s stamina",
player:get_player_name(), itemname, hp_change)
end
minetest.sound_play("stamina_eat", {to_player = player:get_player_name(), gain = 0.7})
if hp_change > 0 then
stamina.change_saturation(player, hp_change)
stamina.set_exhaustion(player, 0)
else
-- assume hp_change < 0.
stamina.poison(player, -hp_change, settings.poison_tick)
end
if settings.eat_particles then
-- particle effect when eating
local pos = player:getpos()
pos.y = pos.y + 1.5 -- mouth level
local texture = minetest.registered_items[itemname].inventory_image
local dir = player:get_look_dir()
minetest.add_particlespawner({
amount = 5,
time = 0.1,
minpos = pos,
maxpos = pos,
minvel = {x = dir.x - 1, y = dir.y, z = dir.z - 1},
maxvel = {x = dir.x + 1, y = dir.y, z = dir.z + 1},
minacc = {x = 0, y = -5, z = 0},
maxacc = {x = 0, y = -9, z = 0},
minexptime = 1,
maxexptime = 1,
minsize = 1,
maxsize = 2,
texture = texture,
})
end
itemstack:take_item()
if replace_with_item then
if itemstack:is_empty() then
itemstack:add_item(replace_with_item)
else
local inv = player:get_inventory()
if inv:room_for_item("main", {name=replace_with_item}) then
inv:add_item("main", replace_with_item)
else
local pos = player:getpos()
pos.y = math.floor(pos.y - 1.0)
minetest.add_item(pos, replace_with_item)
end
end
end
return itemstack
end
minetest.register_on_joinplayer(function(player)
local level = stamina.get_saturation(player) or settings.visual_max
local id = player:hud_add({
name = "stamina",
hud_elem_type = "statbar",
position = {x = 0.5, y = 1},
size = {x = 24, y = 24},
text = "stamina_hud_fg.png",
number = level,
alignment = {x = -1, y = -1},
offset = {x = -266, y = -110},
max = 0,
})
stamina.set_saturation(player, level)
set_hud_id(player, id)
-- reset poisoned
stamina.set_poisoned(player, false)
-- remove legacy hud_id from player metadata
set_player_attribute(player, "stamina:hud_id", nil)
end)
minetest.register_on_leaveplayer(function(player)
set_hud_id(player, nil)
end)
minetest.register_globalstep(stamina_globaltimer)
minetest.register_on_placenode(function(pos, oldnode, player, ext)
stamina.exhaust_player(player, settings.exhaust_place, stamina.exhaustion_reasons.place)
end)
minetest.register_on_dignode(function(pos, oldnode, player, ext)
stamina.exhaust_player(player, settings.exhaust_dig, stamina.exhaustion_reasons.dig)
end)
minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
stamina.exhaust_player(player, settings.exhaust_craft, stamina.exhaustion_reasons.craft)
end)
minetest.register_on_punchplayer(function(player, hitter, time_from_last_punch, tool_capabilities, dir, damage)
stamina.exhaust_player(hitter, settings.exhaust_punch, stamina.exhaustion_reasons.punch)
end)
minetest.register_on_respawnplayer(function(player)
stamina.update_saturation(player, settings.visual_max)
end)