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VoxeLibre/mods/PLAYER/mcl_playerplus/init.lua
kno10 ebee85db7e Fix incorrect usages of math.random (#4621) 
random() does not support float arguments

Reviewed-on: https://git.minetest.land/VoxeLibre/VoxeLibre/pulls/4621
Reviewed-by: Mikita Wiśniewski <rudzik8@protonmail.com>
Co-authored-by: kno10 <erich.schubert@gmail.com>
Co-committed-by: kno10 <erich.schubert@gmail.com>
2024-09-07 14:58:12 +02:00

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mcl_playerplus = {
elytra = {},
is_pressing_jump = {},
}
local get_connected_players = minetest.get_connected_players
local dir_to_yaw = minetest.dir_to_yaw
local get_item_group = minetest.get_item_group
local check_player_privs = minetest.check_player_privs
local find_node_near = minetest.find_node_near
local get_name_from_content_id = minetest.get_name_from_content_id
local get_voxel_manip = minetest.get_voxel_manip
local add_particle = minetest.add_particle
local add_particlespawner = minetest.add_particlespawner
local is_sprinting = mcl_sprint.is_sprinting
local exhaust = mcl_hunger.exhaust
local playerphysics = playerphysics
local vector = vector
local math = math
-- Internal player state
local mcl_playerplus_internal = {}
-- Could occassionally hit about 4.6 but servers and high power machines struggle to keep up with this.
-- Until mapgen can keep up, it's best to limit for server performance etc.
local elytra_vars = {
slowdown_mult = 0.0, -- amount of vel to take per sec
fall_speed = 0.2, -- amount of vel to fall down per sec
speedup_mult = 2, -- amount of speed to add based on look dir
max_speed = tonumber(minetest.settings:get("mcl_elytra_max_speed")) or 4.0, -- was 6 max amount to multiply against look direction when flying
pitch_penalty = 1.3, -- if pitching up, slow down at this rate as a multiplier
rocket_speed = tonumber(minetest.settings:get("mcl_elytra_rocket_speed")) or 3.5, --was 5.5
}
--minetest.log("action", "elytra_vars.max_speed: " .. dump(elytra_vars.max_speed))
--minetest.log("action", "elytra_vars.rocket_speed: " .. dump(elytra_vars.rocket_speed))
local time = 0
local look_pitch = 0
local function player_collision(player)
local pos = player:get_pos()
--local vel = player:get_velocity()
local x = 0
local z = 0
local width = .75
for _,object in pairs(minetest.get_objects_inside_radius(pos, width)) do
local ent = object:get_luaentity()
if (object:is_player() or (ent and ent.is_mob and object ~= player)) then
local pos2 = object:get_pos()
local vec = {x = pos.x - pos2.x, z = pos.z - pos2.z}
local force = (width + 0.5) - vector.distance(
{x = pos.x, y = 0, z = pos.z},
{x = pos2.x, y = 0, z = pos2.z})
x = x + (vec.x * force)
z = z + (vec.z * force)
end
end
return {x,z}
end
local function walking_player(player, control)
if control.up or control.down or control.left or control.right then
return true
else
return false
end
end
-- converts yaw to degrees
local function degrees(rad)
return rad * 180.0 / math.pi
end
local function dir_to_pitch(dir)
--local dir2 = vector.normalize(dir)
local xz = math.abs(dir.x) + math.abs(dir.z)
return -math.atan2(-dir.y, xz)
end
local player_vel_yaws = {}
function limit_vel_yaw(player_vel_yaw, yaw)
if player_vel_yaw < 0 then
player_vel_yaw = player_vel_yaw + 360
end
if yaw < 0 then
yaw = yaw + 360
end
if math.abs(player_vel_yaw - yaw) > 40 then
local player_vel_yaw_nm, yaw_nm = player_vel_yaw, yaw
if player_vel_yaw > yaw then
player_vel_yaw_nm = player_vel_yaw - 360
else
yaw_nm = yaw - 360
end
if math.abs(player_vel_yaw_nm - yaw_nm) > 40 then
local diff = math.abs(player_vel_yaw - yaw)
if diff > 180 and diff < 185 or diff < 180 and diff > 175 then
player_vel_yaw = yaw
elseif diff < 180 then
if player_vel_yaw < yaw then
player_vel_yaw = yaw - 40
else
player_vel_yaw = yaw + 40
end
else
if player_vel_yaw < yaw then
player_vel_yaw = yaw + 40
else
player_vel_yaw = yaw - 40
end
end
end
end
if player_vel_yaw < 0 then
player_vel_yaw = player_vel_yaw + 360
elseif player_vel_yaw > 360 then
player_vel_yaw = player_vel_yaw - 360
end
return player_vel_yaw
end
local node_stand, node_stand_below, node_head, node_feet, node_head_top
local is_swimming
local set_bone_pos = mcl_util.set_bone_position
local set_properties = mcl_util.set_properties
local function get_overall_velocity(vector)
local v = math.sqrt(vector.x^2 + vector.y^2 + vector.z^2)
return v
end
local function anglediff(a1, a2)
local a = a1 - a2
return math.abs((a + math.pi) % (math.pi*2) - math.pi)
end
local function clamp(num, min, max)
return math.min(max, math.max(num, min))
end
local player_props_elytra = {
collisionbox = { -0.35, 0, -0.35, 0.35, 0.8, 0.35 },
eye_height = 0.6,
nametag_color = { r = 225, b = 225, a = 225, g = 225 }
}
local player_props_riding = {
collisionbox = { -0.312, 0, -0.312, 0.312, 1.8, 0.312 },
eye_height = 1.6,
nametag_color = { r = 225, b = 225, a = 225, g = 225 }
}
local player_props_sneaking = {
collisionbox = { -0.312, 0, -0.312, 0.312, 1.8, 0.312 },
eye_height = 1.45,
nametag_color = { r = 225, b = 225, a = 0, g = 225 }
}
local player_props_swimming = {
collisionbox = { -0.312, 0, -0.312, 0.312, 0.8, 0.312 },
eye_height = 0.6,
nametag_color = { r = 225, b = 225, a = 225, g = 225 }
}
local player_props_normal = {
collisionbox = { -0.312, 0, -0.312, 0.312, 1.8, 0.312 },
eye_height = 1.6,
nametag_color = { r = 225, b = 225, a = 225, g = 225 }
}
minetest.register_globalstep(function(dtime)
time = time + dtime
for _,player in pairs(get_connected_players()) do
--[[
_ _ _
__ _ _ __ (_)_ __ ___ __ _| |_(_) ___ _ __ ___
/ _` | '_ \| | '_ ` _ \ / _` | __| |/ _ \| '_ \/ __|
| (_| | | | | | | | | | | (_| | |_| | (_) | | | \__ \
\__,_|_| |_|_|_| |_| |_|\__,_|\__|_|\___/|_| |_|___/
]]--
local control = player:get_player_control()
local name = player:get_player_name()
--local meta = player:get_meta()
local parent = player:get_attach()
local wielded = player:get_wielded_item()
local player_velocity = player:get_velocity() or player:get_player_velocity()
local wielded_def = wielded:get_definition()
local c_x, c_y = unpack(player_collision(player))
if player_velocity.x + player_velocity.y < .5 and c_x + c_y > 0 then
player:add_velocity({x = c_x, y = 0, z = c_y})
player_velocity = player:get_velocity() or player:get_player_velocity()
end
-- control head bone
local pitch = - degrees(player:get_look_vertical())
local yaw = degrees(player:get_look_horizontal())
local player_vel_yaw = degrees(dir_to_yaw(player_velocity))
if player_vel_yaw == 0 then
player_vel_yaw = player_vel_yaws[name] or yaw
end
player_vel_yaw = limit_vel_yaw(player_vel_yaw, yaw)
player_vel_yaws[name] = player_vel_yaw
local fly_pos = player:get_pos()
local fly_node = minetest.get_node({x = fly_pos.x, y = fly_pos.y - 0.1, z = fly_pos.z}).name
local elytra = mcl_playerplus.elytra[player]
if not elytra.active then
elytra.speed = 0
end
if not elytra.last_yaw then
elytra.last_yaw = player:get_look_horizontal()
end
local is_just_jumped = control.jump and not mcl_playerplus.is_pressing_jump[name] and not elytra.active
mcl_playerplus.is_pressing_jump[name] = control.jump
if is_just_jumped and not elytra.active then
local direction = player:get_look_dir()
elytra.speed = 1 - (direction.y/2 + 0.5)
end
local fly_node_walkable = minetest.registered_nodes[fly_node] and minetest.registered_nodes[fly_node].walkable
elytra.active = minetest.get_item_group(player:get_inventory():get_stack("armor", 3):get_name(), "elytra") ~= 0
and not parent
and (elytra.active or (is_just_jumped and player_velocity.y < -0))
and ((not fly_node_walkable) or fly_node == "ignore")
if elytra.active then
if is_just_jumped then -- move the player up when they start flying to give some clearance
player:set_pos(vector.offset(player:get_pos(), 0, 0.8, 0))
end
mcl_player.player_set_animation(player, "fly")
local direction = player:get_look_dir()
local player_vel = player:get_velocity()
local turn_amount = anglediff(minetest.dir_to_yaw(direction), minetest.dir_to_yaw(player_vel))
local direction_mult = clamp(-(direction.y+0.1), -1, 1)
if direction_mult < 0 then direction_mult = direction_mult * elytra_vars.pitch_penalty end
local speed_mult = elytra.speed
local block_below = minetest.get_node(vector.offset(fly_pos, 0, -0.9, 0)).name
local reg_node_below = minetest.registered_nodes[block_below]
if (reg_node_below and not reg_node_below.walkable) and (player_vel.y ~= 0) then
speed_mult = speed_mult + direction_mult * elytra_vars.speedup_mult * dtime
end
speed_mult = speed_mult - elytra_vars.slowdown_mult * clamp(dtime, 0.09, 0.2) -- slow down but don't overdo it
speed_mult = clamp(speed_mult, -elytra_vars.max_speed, elytra_vars.max_speed)
if turn_amount > 0.3 and math.abs(direction.y) < 0.98 then -- don't do this if looking straight up / down
speed_mult = speed_mult - (speed_mult * (turn_amount / (math.pi*8)))
end
playerphysics.add_physics_factor(player, "gravity", "mcl_playerplus:elytra", elytra_vars.fall_speed)
if elytra.rocketing > 0 then
elytra.rocketing = elytra.rocketing - dtime
if vector.length(player_velocity) < 40 then
-- player:add_velocity(vector.multiply(player:get_look_dir(), 4))
speed_mult = elytra_vars.rocket_speed
if mcl_util.check_dtime_timer(name, dtime, "ely_rocket_particle_spawn", 0.3) then
add_particle({
pos = fly_pos,
velocity = vector.zero(),
acceleration = vector.zero(),
expirationtime = 0.3 + math.random() * 0.2,
size = math.random(1, 2),
collisiondetection = false,
vertical = false,
texture = "mcl_particles_bonemeal.png^[colorize:#bc7a57:127",
glow = 5,
})
end
end
end
elytra.speed = speed_mult -- set the speed so you can keep track of it and add to it
local new_vel = vector.multiply(direction, speed_mult * dtime * 30) -- use the look dir and speed as a mult
-- new_vel.y = new_vel.y - elytra_vars.fall_speed * dtime -- make the player fall a set amount
-- slow the player down so less spongy movement by applying some of the inverse velocity
-- NOTE: do not set this higher than about 0.2 or the game will get the wrong vel and it will be broken
-- this is far from ideal, but there's no good way to set_velocity or slow down the player
player_vel = vector.multiply(player_vel, -0.1)
-- if speed_mult < 1 then player_vel.y = player_vel.y * 0.1 end
new_vel = vector.add(new_vel, player_vel)
player:add_velocity(new_vel)
else -- reset things when you stop flying with elytra
elytra.rocketing = 0
playerphysics.remove_physics_factor(player, "gravity", "mcl_playerplus:elytra")
end
if wielded_def and wielded_def._mcl_toollike_wield then
set_bone_pos(player, "Wield_Item", vector.new(0, 4.7, 3.1), vector.new(-90, 225, 90))
elseif string.find(wielded:get_name(), "mcl_bows:bow") then
set_bone_pos(player, "Wield_Item", vector.new(1, 4, 0), vector.new(90, 130, 115))
elseif string.find(wielded:get_name(), "mcl_bows:crossbow_loaded") then
set_bone_pos(player, "Wield_Item", vector.new(0, 5.2, 1.2), vector.new(0, 180, 73))
elseif string.find(wielded:get_name(), "mcl_bows:crossbow") then
set_bone_pos(player, "Wield_Item", vector.new(0, 5.2, 1.2), vector.new(0, 180, 45))
elseif wielded_def.inventory_image == "" then
set_bone_pos(player,"Wield_Item", vector.new(0, 6, 2), vector.new(180, -45, 0))
else
set_bone_pos(player, "Wield_Item", vector.new(0, 5.3, 2), vector.new(90, 0, 0))
end
-- controls right and left arms pitch when shooting a bow or blocking
if mcl_shields.is_blocking(player) == 2 then
set_bone_pos(player, "Arm_Right_Pitch_Control", nil, vector.new(20, -20, 0))
elseif mcl_shields.is_blocking(player) == 1 then
set_bone_pos(player, "Arm_Left_Pitch_Control", nil, vector.new(20, 20, 0))
elseif string.find(wielded:get_name(), "mcl_bows:bow") and control.RMB then
local right_arm_rot = vector.new(pitch + 90, -30, pitch * -1 * .35)
local left_arm_rot = vector.new(pitch + 90, 43, pitch * .35)
set_bone_pos(player, "Arm_Right_Pitch_Control", nil, right_arm_rot)
set_bone_pos(player, "Arm_Left_Pitch_Control", nil, left_arm_rot)
-- controls right and left arms pitch when holing a loaded crossbow
elseif string.find(wielded:get_name(), "mcl_bows:crossbow_loaded") then
local right_arm_rot = vector.new(pitch + 90, -30, pitch * -1 * .35)
local left_arm_rot = vector.new(pitch + 90, 43, pitch * .35)
set_bone_pos(player, "Arm_Right_Pitch_Control", nil, right_arm_rot)
set_bone_pos(player, "Arm_Left_Pitch_Control", nil, left_arm_rot)
-- controls right and left arms pitch when loading a crossbow
elseif string.find(wielded:get_name(), "mcl_bows:crossbow_") then
set_bone_pos(player, "Arm_Right_Pitch_Control", nil, vector.new(45, -20, 25))
set_bone_pos(player, "Arm_Left_Pitch_Control", nil, vector.new(55, 20, -45))
-- when punching
elseif control.LMB and not parent then
set_bone_pos(player,"Arm_Right_Pitch_Control", nil, vector.new(pitch, 0, 0))
set_bone_pos(player,"Arm_Left_Pitch_Control", nil, vector.zero())
-- when holding an item.
elseif wielded:get_name() ~= "" then
set_bone_pos(player, "Arm_Right_Pitch_Control", nil, vector.new(20, 0, 0))
set_bone_pos(player, "Arm_Left_Pitch_Control", nil, vector.zero())
-- resets arms pitch
else
set_bone_pos(player, "Arm_Left_Pitch_Control", nil, vector.zero())
set_bone_pos(player, "Arm_Right_Pitch_Control", nil, vector.zero())
end
if elytra.active then
-- set head pitch and yaw when flying
local head_rot = vector.new(pitch - degrees(dir_to_pitch(player_velocity)) + 50, player_vel_yaw - yaw, 0)
set_bone_pos(player,"Head_Control", nil, head_rot)
-- sets eye height, and nametag color accordingly
set_properties(player, player_props_elytra)
-- control body bone when flying
local body_rot = vector.new(degrees(dir_to_pitch(player_velocity)) + 110, -player_vel_yaw + yaw, 180)
set_bone_pos(player, "Body_Control", nil, body_rot)
elseif parent then
set_properties(player, player_props_riding)
local parent_yaw = degrees(parent:get_yaw())
local head_rot = vector.new(pitch, -limit_vel_yaw(yaw, parent_yaw) + parent_yaw, 0)
set_bone_pos(player, "Head_Control", nil, head_rot)
set_bone_pos(player,"Body_Control", nil, vector.zero())
elseif control.sneak then
-- controls head pitch when sneaking
local head_rot = vector.new(pitch, player_vel_yaw - yaw, player_vel_yaw - yaw)
set_bone_pos(player, "Head_Control", nil, head_rot)
-- sets eye height, and nametag color accordingly
set_properties(player, player_props_sneaking)
-- sneaking body conrols
set_bone_pos(player, "Body_Control", nil, vector.new(0, -player_vel_yaw + yaw, 0))
elseif get_item_group(mcl_playerinfo[name].node_head, "water") ~= 0 and is_sprinting(name) == true then
-- set head pitch and yaw when swimming
is_swimming = true
local head_rot = vector.new(pitch - degrees(dir_to_pitch(player_velocity)) + 20, player_vel_yaw - yaw, 0)
set_bone_pos(player, "Head_Control", nil, head_rot)
-- sets eye height, and nametag color accordingly
set_properties(player, player_props_swimming)
-- control body bone when swimming
local body_rot = vector.new((75 + degrees(dir_to_pitch(player_velocity))), player_vel_yaw - yaw, 180)
set_bone_pos(player,"Body_Control", nil, body_rot)
elseif get_item_group(mcl_playerinfo[name].node_head, "solid") == 0
and get_item_group(mcl_playerinfo[name].node_head_top, "solid") == 0 then
-- sets eye height, and nametag color accordingly
is_swimming = false
set_properties(player, player_props_normal)
set_bone_pos(player,"Head_Control", nil, vector.new(pitch, player_vel_yaw - yaw, 0))
set_bone_pos(player,"Body_Control", nil, vector.new(0, -player_vel_yaw + yaw, 0))
end
local playerinfo = mcl_playerinfo[name] or {}
local plusinfo = playerinfo.mcl_playerplus
if not plusinfo then
plusinfo = {}
playerinfo.mcl_playerplus = plusinfo
end
-- Only process if node_head changed
if plusinfo.old_node_head ~= playerinfo.node_head then
local node_head = playerinfo.node_head or ""
local old_node_head = plusinfo.old_node_head or ""
plusinfo.old_node_head = playerinfo.node_head
-- Update skycolor if moving in or out of water
if (get_item_group(node_head, "water") == 0) ~= (get_item_group(old_node_head, "water") == 0) then
mcl_weather.skycolor.update_sky_color()
end
end
elytra.last_yaw = player:get_look_horizontal()
-- Update jump status immediately since we need this info in real time.
-- WARNING: This section is HACKY as hell since it is all just based on heuristics.
if mcl_playerplus_internal[name].jump_cooldown > 0 then
mcl_playerplus_internal[name].jump_cooldown = mcl_playerplus_internal[name].jump_cooldown - dtime
end
if control.jump and mcl_playerplus_internal[name].jump_cooldown <= 0 then
--pos = player:get_pos()
node_stand = mcl_playerinfo[name].node_stand
node_stand_below = mcl_playerinfo[name].node_stand_below
node_head = mcl_playerinfo[name].node_head
node_feet = mcl_playerinfo[name].node_feet
node_head_top = mcl_playerinfo[name].node_head_top
if not node_stand or not node_stand_below or not node_head or not node_feet then
return
end
if (not minetest.registered_nodes[node_stand]
or not minetest.registered_nodes[node_stand_below]
or not minetest.registered_nodes[node_head]
or not minetest.registered_nodes[node_feet]
or not minetest.registered_nodes[node_head_top]) then
return
end
-- Cause buggy exhaustion for jumping
--[[ Checklist we check to know the player *actually* jumped:
* Not on or in liquid
* Not on or at climbable
* On walkable
* Not on disable_jump
FIXME: This code is pretty hacky and it is possible to miss some jumps or detect false
jumps because of delays, rounding errors, etc.
What this code *really* needs is some kind of jumping “callback” which this engine lacks
as of 0.4.15.
]]
if get_item_group(node_feet, "liquid") == 0 and
get_item_group(node_stand, "liquid") == 0 and
not minetest.registered_nodes[node_feet].climbable and
not minetest.registered_nodes[node_stand].climbable and
(minetest.registered_nodes[node_stand].walkable or minetest.registered_nodes[node_stand_below].walkable)
and get_item_group(node_stand, "disable_jump") == 0
and get_item_group(node_stand_below, "disable_jump") == 0 then
-- Cause exhaustion for jumping
if is_sprinting(name) then
exhaust(name, mcl_hunger.EXHAUST_SPRINT_JUMP)
else
exhaust(name, mcl_hunger.EXHAUST_JUMP)
end
-- Reset cooldown timer
mcl_playerplus_internal[name].jump_cooldown = 0.45
end
end
end
-- Run the rest of the code every 0.5 seconds
if time < 0.5 then
return
end
-- reset time for next check
-- FIXME: Make sure a regular check interval applies
time = 0
-- check players
for _,player in pairs(get_connected_players()) do
-- who am I?
local name = player:get_player_name()
-- where am I?
local pos = player:get_pos()
-- what is around me?
local node_stand = mcl_playerinfo[name].node_stand
local node_stand_below = mcl_playerinfo[name].node_stand_below
local node_head = mcl_playerinfo[name].node_head
local node_feet = mcl_playerinfo[name].node_feet
local node_head_top = mcl_playerinfo[name].node_head_top
if not node_stand or not node_stand_below or not node_head or not node_feet or not node_head_top then
return
end
-- Standing on soul sand? If so, walk slower (unless player wears Soul Speed boots)
if node_stand == "mcl_nether:soul_sand" then
-- TODO: Tweak walk speed
-- TODO: Also slow down mobs
-- Slow down even more when soul sand is above certain block
local boots = player:get_inventory():get_stack("armor", 5)
local soul_speed = mcl_enchanting.get_enchantment(boots, "soul_speed")
if soul_speed > 0 then
playerphysics.add_physics_factor(player, "speed", "mcl_playerplus:soul_speed", soul_speed * 0.105 + 1.3)
else
if node_stand_below == "mcl_core:ice" or node_stand_below == "mcl_core:packed_ice" or node_stand_below == "mcl_core:slimeblock" or node_stand_below == "mcl_core:water_source" then
playerphysics.add_physics_factor(player, "speed", "mcl_playerplus:soul_speed", 0.1)
else
playerphysics.add_physics_factor(player, "speed", "mcl_playerplus:soul_speed", 0.4)
end
end
else
playerphysics.remove_physics_factor(player, "speed", "mcl_playerplus:soul_speed")
end
if get_item_group(node_feet, "liquid") ~= 0 and mcl_enchanting.get_enchantment(player:get_inventory():get_stack("armor", 5), "depth_strider") then
local boots = player:get_inventory():get_stack("armor", 5)
local depth_strider = mcl_enchanting.get_enchantment(boots, "depth_strider")
if depth_strider > 0 then
playerphysics.add_physics_factor(player, "speed", "mcl_playerplus:depth_strider", (depth_strider / 3) + 0.75)
else
playerphysics.remove_physics_factor(player, "speed", "mcl_playerplus:depth_strider")
end
else
playerphysics.remove_physics_factor(player, "speed", "mcl_playerplus:depth_strider")
end
-- Is player suffocating inside node? (Only for solid full opaque cube type nodes
-- without group disable_suffocation=1)
-- if swimming, check the feet node instead, because the head node will be above the player when swimming
local ndef = minetest.registered_nodes[node_head]
if is_swimming then
ndef = minetest.registered_nodes[node_feet]
end
if (ndef.walkable == nil or ndef.walkable == true)
and (ndef.collision_box == nil or ndef.collision_box.type == "regular")
and (ndef.node_box == nil or ndef.node_box.type == "regular")
and (ndef.groups.disable_suffocation ~= 1)
and (ndef.groups.opaque == 1)
and (node_head ~= "ignore")
-- Check privilege, too
and (not check_player_privs(name, {noclip = true})) then
if player:get_hp() > 0 then
mcl_util.deal_damage(player, 1, {type = "in_wall"})
end
end
-- Am I near a cactus?
local near = find_node_near(pos, 1, "mcl_core:cactus")
if not near then
near = find_node_near({x=pos.x, y=pos.y-1, z=pos.z}, 1, "mcl_core:cactus")
end
if near then
-- Am I touching the cactus? If so, it hurts
local dist = vector.distance(pos, near)
local dist_feet = vector.distance({x=pos.x, y=pos.y-1, z=pos.z}, near)
if dist < 1.1 or dist_feet < 1.1 then
if player:get_hp() > 0 then
mcl_util.deal_damage(player, 1, {type = "cactus"})
end
end
end
--[[ Swimming: Cause exhaustion.
NOTE: As of 0.4.15, it only counts as swimming when you are with the feet inside the liquid!
Head alone does not count. We respect that for now. ]]
if not player:get_attach() and (get_item_group(node_feet, "liquid") ~= 0 or
get_item_group(node_stand, "liquid") ~= 0) then
local lastPos = mcl_playerplus_internal[name].lastPos
if lastPos then
local dist = vector.distance(lastPos, pos)
mcl_playerplus_internal[name].swimDistance = mcl_playerplus_internal[name].swimDistance + dist
if mcl_playerplus_internal[name].swimDistance >= 1 then
local superficial = math.floor(mcl_playerplus_internal[name].swimDistance)
exhaust(name, mcl_hunger.EXHAUST_SWIM * superficial)
mcl_playerplus_internal[name].swimDistance = mcl_playerplus_internal[name].swimDistance - superficial
end
end
end
-- Underwater: Spawn bubble particles
if get_item_group(node_head, "water") ~= 0 then
add_particlespawner({
amount = 10,
time = 0.15,
minpos = { x = -0.25, y = 0.3, z = -0.25 },
maxpos = { x = 0.25, y = 0.7, z = 0.75 },
attached = player,
minvel = {x = -0.2, y = 0, z = -0.2},
maxvel = {x = 0.5, y = 0, z = 0.5},
minacc = {x = -0.4, y = 4, z = -0.4},
maxacc = {x = 0.5, y = 1, z = 0.5},
minexptime = 0.3,
maxexptime = 0.8,
minsize = 0.7,
maxsize = 2.4,
texture = "mcl_particles_bubble.png"
})
end
-- Show positions of barriers when player is wielding a barrier
local wi = player:get_wielded_item():get_name()
if wi == "mcl_core:barrier" or wi == "mcl_core:realm_barrier" or minetest.get_item_group(wi, "light_block") ~= 0 then
local pos = vector.round(player:get_pos())
local r = 8
local vm = get_voxel_manip()
local emin, emax = vm:read_from_map({x=pos.x-r, y=pos.y-r, z=pos.z-r}, {x=pos.x+r, y=pos.y+r, z=pos.z+r})
local area = VoxelArea:new{
MinEdge = emin,
MaxEdge = emax,
}
local data = vm:get_data()
for x=pos.x-r, pos.x+r do
for y=pos.y-r, pos.y+r do
for z=pos.z-r, pos.z+r do
local vi = area:indexp({x=x, y=y, z=z})
local nodename = get_name_from_content_id(data[vi])
local light_block_group = minetest.get_item_group(nodename, "light_block")
local tex
if nodename == "mcl_core:barrier" then
tex = "mcl_core_barrier.png"
elseif nodename == "mcl_core:realm_barrier" then
tex = "mcl_core_barrier.png^[colorize:#FF00FF:127^[transformFX"
elseif light_block_group ~= 0 then
tex = "mcl_core_light_" .. (light_block_group - 1) .. ".png"
end
if tex then
add_particle({
pos = {x=x, y=y, z=z},
expirationtime = 1,
size = 8,
texture = tex,
glow = 14,
playername = name
})
end
end
end
end
end
-- Update internal values
mcl_playerplus_internal[name].lastPos = pos
end
end)
-- set to blank on join (for 3rd party mods)
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
local hp = player:get_hp()
mcl_playerplus_internal[name] = {
lastPos = nil,
swimDistance = 0,
jump_cooldown = -1, -- Cooldown timer for jumping, we need this to prevent the jump exhaustion to increase rapidly
last_damage = 0,
invul_timestamp = 0,
}
mcl_playerplus.elytra[player] = {active = false, rocketing = 0, speed = 0}
-- Minetest bug: get_bone_position() returns all zeros vectors.
-- Workaround: call set_bone_position() one time first.
player:set_bone_position("Head_Control", vector.new(0, 6.75, 0))
player:set_bone_position("Arm_Right_Pitch_Control", vector.new(-3, 5.785, 0))
player:set_bone_position("Arm_Left_Pitch_Control", vector.new(3, 5.785, 0))
player:set_bone_position("Body_Control", vector.new(0, 6.75, 0))
-- Respawn dead players on joining
if hp <= 0 then
player:respawn()
minetest.log("warning", name .. " joined the game with 0 hp and has been forced to respawn")
end
playerphysics.remove_physics_factor(player, "speed", "mcl_playerplus:surface")
end)
-- clear when player leaves
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
mcl_playerplus_internal[name] = nil
mcl_playerplus.elytra[player] = nil
end)
-- Don't change HP if the player falls in the water or through End Portal:
mcl_damage.register_modifier(function(obj, damage, reason)
if reason.type == "fall" then
local pos = obj:get_pos()
local node = minetest.get_node(pos)
local velocity = obj:get_velocity() or obj:get_player_velocity() or {x=0,y=-10,z=0}
local v_axis_max = math.max(math.abs(velocity.x), math.abs(velocity.y), math.abs(velocity.z))
local step = {x = velocity.x / v_axis_max, y = velocity.y / v_axis_max, z = velocity.z / v_axis_max}
for i = 1, math.ceil(v_axis_max/5)+1 do -- trace at least 1/5 of the way per second
if not node or node.name == "ignore" then
minetest.get_voxel_manip():read_from_map(pos, pos)
node = minetest.get_node(pos)
end
if node then
local def = minetest.registered_nodes[node.name]
if not def or def.walkable then
return
end
if minetest.get_item_group(node.name, "water") ~= 0 then
return 0
end
if node.name == "mcl_portals:portal_end" then
if mcl_portals and mcl_portals.end_teleport then
mcl_portals.end_teleport(obj)
end
return 0
end
if node.name == "mcl_core:cobweb" then
return 0
end
if node.name == "mcl_core:vine" then
return 0
end
end
pos = vector.add(pos, step)
node = minetest.get_node(pos)
end
end
end, -200)
minetest.register_on_punchplayer(function(player, hitter, time_from_last_punch, tool_capabilities, dir, damage)
-- attack reach limit
if hitter and hitter:is_player() then
local player_pos = player:get_pos()
local hitter_pos = hitter:get_pos()
if vector.distance(player_pos, hitter_pos) > 3 then
damage = 0
return damage
end
end
-- damage invulnerability
if hitter then
local name = player:get_player_name()
local time_now = minetest.get_us_time()
local invul_timestamp = mcl_playerplus_internal[name].invul_timestamp
local time_diff = time_now - invul_timestamp
-- check for invulnerability time in microseconds (0.5 second)
if time_diff <= 500000 and time_diff >= 0 then
player:get_meta():set_int("mcl_damage:invulnerable", 1)
minetest.after(0.5, function()
local player = minetest.get_player_by_name(name)
if not player then return end
player:get_meta():set_int("mcl_damage:invulnerable", 0)
end)
damage = damage - mcl_playerplus_internal[name].last_damage
if damage < 0 then
damage = 0
end
return damage
else
mcl_playerplus_internal[name].last_damage = damage
mcl_playerplus_internal[name].invul_timestamp = time_now
player:get_meta():set_int("mcl_damage:damage_animation", 1)
minetest.after(0.5, function()
local player = minetest.get_player_by_name(name)
if not player then return end
player:get_meta():set_int("mcl_damage:damage_animation", 0)
end)
end
end
end)
minetest.register_on_respawnplayer(function(player)
local pos = player:get_pos()
minetest.add_particlespawner({
amount = 50,
time = 0.001,
minpos = vector.add(pos, 0),
maxpos = vector.add(pos, 0),
minvel = vector.new(-5,-5,-5),
maxvel = vector.new(5,5,5),
minexptime = 1.1,
maxexptime = 1.5,
minsize = 1,
maxsize = 2,
collisiondetection = false,
vertical = false,
texture = "mcl_particles_mob_death.png^[colorize:#000000:255",
})
minetest.sound_play("mcl_mobs_mob_poof", {
pos = pos,
gain = 1.0,
max_hear_distance = 8,
}, true)
end)
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