224 lines
7.8 KiB
Lua
224 lines
7.8 KiB
Lua
local tower_stamina = {}
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STAMINA_TICK = 12.5 -- time in seconds after that 1 stamina point is taken
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STAMINA_TICK_MIN = 0 -- stamina ticks won't reduce stamina below this level
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STAMINA_HEALTH_TICK = 10 -- time in seconds after player gets healed/damaged
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STAMINA_MOVE_TICK = 1 -- time in seconds after the movement is checked
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STAMINA_VISUAL_MAX = 20 -- hud bar extends only to 20
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SPRINT_SPEED = 0.9 -- how much faster player can run if satiated
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SPRINT_JUMP = 0.1 -- how much higher player can jump if satiated
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local function get_int_attribute(player, key)
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local level_m = player:get_meta()
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if level_m and level_m:get_int(key) then
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return level_m:get_int(key)
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end
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end
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local function stamina_update_level(player, level)
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if not player:get_meta() then
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return
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end
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local old = get_int_attribute(player, "tower_stamina:level")
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if level == old then -- To suppress HUD update
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return
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end
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player:get_meta():set_int("tower_stamina:level", level)
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player:hud_change(player:get_meta():get_int("tower_stamina:hud_id"), "number", math.min(STAMINA_VISUAL_MAX, level))
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end
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-- global function for mods to amend stamina level
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tower_stamina.change = function(player, change)
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local name = player:get_player_name()
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if not name or not change or change == 0 then
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return false
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end
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local level = get_int_attribute(player, "tower_stamina:level") + change
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if level < 0 then level = 0 end
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if level > STAMINA_VISUAL_MAX then level = STAMINA_VISUAL_MAX end
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stamina_update_level(player, level)
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return true
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end
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-- Sprint settings and function
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local settings = minetest.settings
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local enable_sprint = settings:get_bool("sprint") ~= false
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local enable_sprint_particles = settings:get_bool("sprint_particles") ~= false
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local armor_mod = minetest.get_modpath("3d_armor")
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function set_sprinting(player, sprinting)
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local name = player:get_player_name()
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local def = {}
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-- Get player physics from 3d_armor mod
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if armor_mod and armor and armor.def then
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def.speed = armor.def[name].speed
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def.jump = armor.def[name].jump
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end
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def.speed = def.speed or 1
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def.jump = def.jump or 1
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if sprinting == true then
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def.speed = def.speed + SPRINT_SPEED
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def.jump = def.jump + SPRINT_JUMP
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player:set_fov(1.05, true, .1)
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player:get_meta():set_int("tower_stamina:sprinting", 1)
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else
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player:set_fov(1.0, true, .1)
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player:get_meta():set_int("tower_stamina:sprinting", 0)
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end
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player:set_physics_override({
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speed = def.speed,
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jump = def.jump,
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})
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end
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-- Time based stamina functions
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local stamina_timer = 0
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local health_timer = 0
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local action_timer = 0
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local function stamina_globaltimer(dtime)
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stamina_timer = stamina_timer + dtime*12
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health_timer = health_timer + dtime
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action_timer = action_timer + dtime
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if action_timer > STAMINA_MOVE_TICK then
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for _,player in ipairs(minetest.get_connected_players()) do
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local controls = player:get_player_control()
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local level = get_int_attribute(player, "tower_stamina:level")
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if controls.aux1 and controls.up
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and get_int_attribute(player, "tower_stamina:level") <= 0 then
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player:get_meta():set_int("tower_stamina:exhausted", 1)
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end
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--- START sprint
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if enable_sprint then
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-- check if player can sprint (stamina must be over 6 points)
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if controls.aux1 and controls.up
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and not minetest.check_player_privs(player, {fast = true})
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and get_int_attribute(player, "tower_stamina:level") > 0 and player:get_meta():get_int("tower_stamina:exhausted") == 0 then
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-- create particles behind player when sprinting
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if enable_sprint_particles then
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local pos = player:getpos()
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local node = minetest.get_node({
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x = pos.x, y = pos.y - 1, z = pos.z})
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if node.name ~= "air" then
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minetest.add_particlespawner({
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amount = 5,
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time = 0.01,
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minpos = {x = pos.x - 0.25, y = pos.y + 0.1, z = pos.z - 0.25},
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maxpos = {x = pos.x + 0.25, y = pos.y + 0.1, z = pos.z + 0.25},
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minvel = {x = -0.5, y = 1, z = -0.5},
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maxvel = {x = 0.5, y = 2, z = 0.5},
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minacc = {x = 0, y = -5, z = 0},
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maxacc = {x = 0, y = -12, z = 0},
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minexptime = 0.25,
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maxexptime = 0.5,
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minsize = 0.5,
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maxsize = 1.0,
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vertical = false,
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collisiondetection = false,
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texture = "default_dirt.png",
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})
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end
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end
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stamina_update_level(player, level - 1)
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end
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end
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-- END sprint
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end
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action_timer = 0
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end
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for _,player in ipairs(minetest.get_connected_players()) do
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local controls = player:get_player_control()
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local level = get_int_attribute(player, "tower_stamina:level")
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if controls.aux1 and controls.up
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and get_int_attribute(player, "tower_stamina:level") <= 0 then
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player:get_meta():set_int("tower_stamina:exhausted", 1)
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end
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--- START sprint
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if enable_sprint then
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-- check if player can sprint (stamina must be over 6 points)
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if controls.aux1 and controls.up
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and not minetest.check_player_privs(player, {fast = true})
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and player:get_meta():get_int("tower_stamina:level") > 0 and player:get_meta():get_int("tower_stamina:exhausted") == 0 then
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set_sprinting(player, true)
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else
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set_sprinting(player, false)
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end
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end
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-- END sprint
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end
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-- lower saturation by 1 point after STAMINA_TICK second(s)
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if stamina_timer > STAMINA_TICK then
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for _,player in ipairs(minetest.get_connected_players()) do
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local h = get_int_attribute(player, "tower_stamina:level")
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if h < 20 then
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if player:get_meta():get_int("tower_stamina:sprinting") == 0 then
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stamina_update_level(player, h + 1)
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end
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else
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player:get_meta():set_int("tower_stamina:exhausted", 0);
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end
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end
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stamina_timer = 0
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end
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end
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-- stamina is disabled if damage is disabled
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if settings:get_bool("enable_damage") and minetest.is_yes(settings:get_bool("enable_stamina") or "1") then
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minetest.register_on_joinplayer(function(player)
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local level = STAMINA_VISUAL_MAX -- TODO
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if get_int_attribute(player, "tower_stamina:level") then
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level = math.min(get_int_attribute(player, "tower_stamina:level"), STAMINA_VISUAL_MAX)
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else
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player:get_meta():set_int("tower_stamina:level", level)
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end
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local id = player:hud_add({
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name = "stamina",
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hud_elem_type = "statbar",
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position = {x = 0.5, y = 1},
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size = {x = 24, y = 24},
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text = "fragments_hud_fg.png",
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number = level,
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alignment = {x = -1, y = -1},
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offset = {x = -266, y = -110},
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max = 0,
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})
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player:get_meta():set_int("tower_stamina:hud_id", id)
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if not get_int_attribute(player, "tower_stamina:exhausted") then
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player:get_meta():set_int("tower_stamina:exhausted", 0)
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end
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if not get_int_attribute(player, "tower_stamina:sprinting") then
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player:get_meta():set_int("tower_stamina:sprinting", 0)
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end
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end)
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minetest.register_globalstep(stamina_globaltimer)
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minetest.register_on_respawnplayer(function(player)
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stamina_update_level(player, STAMINA_VISUAL_MAX)
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end)
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end
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