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MineClone2/mods/PLAYER/mcl_playerplus/init.lua

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local S = minetest.get_translator("mcl_playerplus")
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 = {}
local def = {}
local time = 0
-- converts yaw to degrees
local function degrees(rad)
return rad * 180.0 / math.pi
end
local dir_to_pitch = function(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 pitch, name, node_stand, node_stand_below, node_head, node_feet, pos
minetest.register_globalstep(function(dtime)
time = time + dtime
-- 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.
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for _,player in pairs(get_connected_players()) do
local controls = player:get_player_control()
name = player:get_player_name()
local meta = player:get_meta()
local player_velocity = player:get_velocity() or player:get_player_velocity()
-- controls head bone
local pitch = - degrees(player:get_look_vertical())
local yaw = degrees(player:get_look_horizontal())
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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
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-- controls right and left arms pitch when shooting a bow or punching
if string.find(player:get_wielded_item():get_name(), "mcl_bows:bow") and controls.RMB and not controls.LMB and not controls.up and not controls.down and not controls.left and not controls.right then
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player:set_bone_position("Arm_Right_Pitch_Control", vector.new(-3,5.785,0), vector.new(pitch+90,-30,pitch * -1 * .35))
player:set_bone_position("Arm_Left_Pitch_Control", vector.new(3.5,5.785,0), vector.new(pitch+90,43,pitch * .35))
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elseif controls.LMB and player:get_attach() == nil then
player:set_bone_position("Arm_Right_Pitch_Control", vector.new(-3,5.785,0), vector.new(pitch,0,0))
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player:set_bone_position("Arm_Left_Pitch_Control", vector.new(3,5.785,0), vector.new(0,0,0))
else
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player:set_bone_position("Arm_Left_Pitch_Control", vector.new(3,5.785,0), vector.new(0,0,0))
player:set_bone_position("Arm_Right_Pitch_Control", vector.new(-3,5.785,0), vector.new(0,0,0))
end
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if controls.sneak and player:get_attach() == nil then
-- controls head pitch when sneaking
player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch+36,0,0))
-- sets eye height, and nametag color accordingly
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player:set_properties({collisionbox = {-0.35,0,-0.35,0.35,1.8,0.35}, eye_height = 1.35, nametag_color = { r = 225, b = 225, a = 0, g = 225 }})
-- sneaking body conrols
player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(0,0,0))
elseif get_item_group(mcl_playerinfo[name].node_head, "water") ~= 0 and player:get_attach() == nil and is_sprinting(name) == true then
-- set head pitch and yaw when swimming
player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch+90-degrees(dir_to_pitch(player_velocity)),player_vel_yaw - yaw,0))
-- sets eye height, and nametag color accordingly
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player:set_properties({collisionbox = {-0.35,0,-0.35,0.35,0.8,0.35}, eye_height = 0.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
-- control body bone when swimming
player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(degrees(dir_to_pitch(player_velocity)) - 90,-player_vel_yaw + yaw + 180,0))
elseif player:get_attach() == nil then
-- sets eye height, and nametag color accordingly
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player:set_properties({collisionbox = {-0.35,0,-0.35,0.35,1.8,0.35}, eye_height = 1.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
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player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch, player_vel_yaw - yaw, 0))
player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(0, -player_vel_yaw + yaw, 0))
else
local attached = player:get_attach(parent)
local attached_yaw = degrees(attached:get_yaw())
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player:set_properties({collisionbox = {-0.35,0,-0.35,0.35,1.8,0.35}, eye_height = 1.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch, -limit_vel_yaw(yaw, attached_yaw) + attached_yaw, 0))
player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(0,0,0))
end
if mcl_playerplus_internal[name].jump_cooldown > 0 then
mcl_playerplus_internal[name].jump_cooldown = mcl_playerplus_internal[name].jump_cooldown - dtime
end
if controls.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
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] 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
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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
if not node_stand or not node_stand_below or not node_head or not node_feet then
return
end
-- set defaults
def.speed = 1
-- 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:surface", 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:surface", 0.1)
else
playerphysics.add_physics_factor(player, "speed", "mcl_playerplus:surface", 0.4)
end
end
else
-- Reset speed decrease
playerphysics.remove_physics_factor(player, "speed", "mcl_playerplus:surface")
end
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-- Swimming? Check if boots are enchanted with depth strider
if get_item_group(node_feet, "liquid") ~= 0 and mcl_enchanting.get_enchantment(player:get_inventory():get_stack("armor", 5), "depth_strider") then
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local boots = player:get_inventory():get_stack("armor", 5)
local depth_strider = mcl_enchanting.get_enchantment(boots, "depth_strider")
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if depth_strider > 0 then
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playerphysics.add_physics_factor(player, "speed", "mcl_playerplus:surface", (depth_strider / 3) + 0.75)
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end
else
playerphysics.remove_physics_factor(player, "speed", "mcl_playerplus:surface")
end
-- Is player suffocating inside node? (Only for solid full opaque cube type nodes
-- without group disable_suffocation=1)
local ndef = minetest.registered_nodes[node_head]
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_death_messages.player_damage(player, S("@1 suffocated to death.", name))
player:set_hp(player:get_hp() - 1)
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_death_messages.player_damage(player, S("@1 was prickled to death by a cactus.", name))
player:set_hp(player:get_hp() - 1, { type = "punch", from = "mod" })
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" 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 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"
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()
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
}
end)
-- clear when player leaves
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
mcl_playerplus_internal[name] = nil
end)