VoxeLibre/mods/ENTITIES/mcl_mobs/api.lua

4226 lines
109 KiB
Lua

local mob_class = mcl_mobs.mob_class
local mob_class_meta = {__index = mcl_mobs.mob_class}
-- API for Mobs Redo: MineClone 2 Edition (MRM)
local MAX_MOB_NAME_LENGTH = 30
local HORNY_TIME = 30
local HORNY_AGAIN_TIME = 300
local CHILD_GROW_TIME = 60*20
local DEATH_DELAY = 0.5
local DEFAULT_FALL_SPEED = -9.81*1.5
local FLOP_HEIGHT = 6
local FLOP_HOR_SPEED = 1.5
local PATHFINDING = "gowp"
-- Localize
local S = minetest.get_translator("mcl_mobs")
local mob_active_range = tonumber(minetest.settings:get("mcl_mob_active_range")) or 48
local LOGGING_ON = minetest.settings:get_bool("mcl_logging_mobs_villager",false)
local function mcl_log (message)
if LOGGING_ON then
mcl_util.mcl_log (message, "[Mobs]", true)
end
end
-- Invisibility mod check
mcl_mobs.invis = {}
-- localize math functions
local pi = math.pi
local sin = math.sin
local cos = math.cos
local abs = math.abs
local min = math.min
local max = math.max
local atann = math.atan
local random = math.random
local floor = math.floor
local ceil = math.ceil
local atan = function(x)
if not x or x ~= x then
return 0
else
return atann(x)
end
end
-- Load settings
local damage_enabled = minetest.settings:get_bool("enable_damage")
local disable_blood = minetest.settings:get_bool("mobs_disable_blood")
local mobs_drop_items = minetest.settings:get_bool("mobs_drop_items") ~= false
local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= false
local player_transfer_distance = tonumber(minetest.settings:get("player_transfer_distance")) or 128
if player_transfer_distance == 0 then player_transfer_distance = math.huge end
local remove_far = true
local difficulty = tonumber(minetest.settings:get("mob_difficulty")) or 1.0
local show_health = false
local old_spawn_icons = minetest.settings:get_bool("mcl_old_spawn_icons",false)
-- Shows helpful debug info above each mob
local mobs_debug = minetest.settings:get_bool("mobs_debug", false)
local spawn_logging = minetest.settings:get_bool("mcl_logging_mobs_spawn",true)
-- Peaceful mode message so players will know there are no monsters
if minetest.settings:get_bool("only_peaceful_mobs", false) then
minetest.register_on_joinplayer(function(player)
minetest.chat_send_player(player:get_player_name(),
S("Peaceful mode active! No monsters will spawn."))
end)
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
-- pathfinding settings
local enable_pathfinding = true
local stuck_timeout = 3 -- how long before mob gets stuck in place and starts searching
local stuck_path_timeout = 10 -- how long will mob follow path before giving up
-- default nodes
local node_ice = "mcl_core:ice"
local node_snowblock = "mcl_core:snowblock"
local node_snow = "mcl_core:snow"
mcl_mobs.fallback_node = minetest.registered_aliases["mapgen_dirt"] or "mcl_core:dirt"
minetest.register_chatcommand("clearmobs",{
privs={maphack=true},
params = "<all>|<nametagged>|<range>",
description=S("Removes all spawned mobs except nametagged and tamed ones. all removes all mobs, nametagged only nametagged ones and with the range paramter all mobs in a distance of the current player are removed."),
func=function(n,param)
local p = minetest.get_player_by_name(n)
local num=tonumber(param)
for _,o in pairs(minetest.luaentities) do
if o.is_mob then
if param == "all" or
( param == "nametagged" and o.nametag ) or
( param == "" and ( not o.nametag or o.nametag == "" ) and not o.tamed ) or
( num and num > 0 and vector.distance(p:get_pos(),o.object:get_pos()) <= num ) then
o.object:remove()
end
end
end
end})
minetest.register_on_leaveplayer(function(player)
local pn = player:get_player_name()
if not active_particlespawners[pn] then return end
for _,m in pairs(active_particlespawners[pn]) do
for k,v in pairs(m) do
minetest.delete_particlespawner(v)
end
end
active_particlespawners[pn] = nil
end)
function mob_class:player_in_active_range()
for _,p in pairs(minetest.get_connected_players()) do
if vector.distance(self.object:get_pos(),p:get_pos()) <= mob_active_range then return true end
-- slightly larger than the mc 32 since mobs spawn on that circle and easily stand still immediately right after spawning.
end
end
-- blast damage to entities nearby
local function entity_physics(pos,radius)
radius = radius * 2
local objs = minetest.get_objects_inside_radius(pos, radius)
local obj_pos, dist
for n = 1, #objs do
obj_pos = objs[n]:get_pos()
dist = vector.distance(pos, obj_pos)
if dist < 1 then dist = 1 end
local damage = floor((4 / dist) * radius)
local ent = objs[n]:get_luaentity()
-- punches work on entities AND players
objs[n]:punch(objs[n], 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = damage},
}, pos)
end
end
-- Return true if object is in view_range
local function object_in_range(self, object)
if not object then
return false
end
local factor
-- Apply view range reduction for special player armor
if object:is_player() then
local factors = mcl_armor.player_view_range_factors[object]
factor = factors and factors[self.name]
end
-- Distance check
local dist
if factor and factor == 0 then
return false
elseif factor then
dist = self.view_range * factor
else
dist = self.view_range
end
local p1, p2 = self.object:get_pos(), object:get_pos()
return p1 and p2 and (vector.distance(p1, p2) <= dist)
end
-- attack player/mob
local do_attack = function(self, player)
if self.state == "attack" or self.state == "die" then
return
end
self.attack = player
self.state = "attack"
-- TODO: Implement war_cry sound without being annoying
--if random(0, 100) < 90 then
--self:mob_sound("war_cry", true)
--end
end
-- Returns true is node can deal damage to self
local is_node_dangerous = function(self, nodename)
local nn = nodename
if self.lava_damage > 0 then
if minetest.get_item_group(nn, "lava") ~= 0 then
return true
end
end
if self.fire_damage > 0 then
if minetest.get_item_group(nn, "fire") ~= 0 then
return true
end
end
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].damage_per_second and minetest.registered_nodes[nn].damage_per_second > 0 then
return true
end
return false
end
-- Returns true if node is a water hazard
local is_node_waterhazard = function(self, nodename)
local nn = nodename
if self.water_damage > 0 then
if minetest.get_item_group(nn, "water") ~= 0 then
return true
end
end
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].drowning and minetest.registered_nodes[nn].drowning > 0 then
if self.breath_max ~= -1 then
-- check if the mob is water-breathing _and_ the block is water; only return true if neither is the case
-- this will prevent water-breathing mobs to classify water or e.g. sand below them as dangerous
if not self.breathes_in_water and minetest.get_item_group(nn, "water") ~= 0 then
return true
end
end
end
return false
end
-- check line of sight (BrunoMine)
local line_of_sight = function(self, pos1, pos2, stepsize)
stepsize = stepsize or 1
local s, pos = minetest.line_of_sight(pos1, pos2, stepsize)
-- normal walking and flying mobs can see you through air
if s == true then
return true
end
-- New pos1 to be analyzed
local npos1 = {x = pos1.x, y = pos1.y, z = pos1.z}
local r, pos = minetest.line_of_sight(npos1, pos2, stepsize)
-- Checks the return
if r == true then return true end
-- Nodename found
local nn = minetest.get_node(pos).name
-- Target Distance (td) to travel
local td = vector.distance(pos1, pos2)
-- Actual Distance (ad) traveled
local ad = 0
-- It continues to advance in the line of sight in search of a real
-- obstruction which counts as 'normal' nodebox.
while minetest.registered_nodes[nn]
and minetest.registered_nodes[nn].walkable == false do
-- Check if you can still move forward
if td < ad + stepsize then
return true -- Reached the target
end
-- Moves the analyzed pos
local d = vector.distance(pos1, pos2)
npos1.x = ((pos2.x - pos1.x) / d * stepsize) + pos1.x
npos1.y = ((pos2.y - pos1.y) / d * stepsize) + pos1.y
npos1.z = ((pos2.z - pos1.z) / d * stepsize) + pos1.z
-- NaN checks
if d == 0
or npos1.x ~= npos1.x
or npos1.y ~= npos1.y
or npos1.z ~= npos1.z then
return false
end
ad = ad + stepsize
-- scan again
r, pos = minetest.line_of_sight(npos1, pos2, stepsize)
if r == true then return true end
-- New Nodename found
nn = minetest.get_node(pos).name
end
return false
end
-- check if within physical map limits (-30911 to 30927)
local function within_limits(pos, radius)
local wmin, wmax = -30912, 30928
if mcl_vars then
if mcl_vars.mapgen_edge_min and mcl_vars.mapgen_edge_max then
wmin, wmax = mcl_vars.mapgen_edge_min, mcl_vars.mapgen_edge_max
end
end
if radius then
wmin = wmin - radius
wmax = wmax + radius
end
for _,v in pairs(pos) do
if v < wmin or v > wmax then return false end
end
return true
end
-- get node but use fallback for nil or unknown
local node_ok = function(pos, fallback)
fallback = fallback or mcl_mobs.fallback_node
local node = minetest.get_node_or_nil(pos)
if node and minetest.registered_nodes[node.name] then
return node
end
return minetest.registered_nodes[fallback]
end
local can_jump_cliff = function(self)
local yaw = self.object:get_yaw()
local pos = self.object:get_pos()
local v = self.object:get_velocity()
local v2 = abs(v.x)+abs(v.z)*.833
local jump_c_multiplier = 1
if v2/self.walk_velocity/2>1 then
jump_c_multiplier = v2/self.walk_velocity/2
end
-- where is front
local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
--is there nothing under the block in front? if so jump the gap.
local nodLow = node_ok({
x = pos.x + dir_x-0.6,
y = pos.y - 0.5,
z = pos.z + dir_z-0.6
}, "air")
local nodFar = node_ok({
x = pos.x + dir_x*2,
y = pos.y - 0.5,
z = pos.z + dir_z*2
}, "air")
local nodFar2 = node_ok({
x = pos.x + dir_x*2.5,
y = pos.y - 0.5,
z = pos.z + dir_z*2.5
}, "air")
if minetest.registered_nodes[nodLow.name]
and minetest.registered_nodes[nodLow.name].walkable ~= true
and (minetest.registered_nodes[nodFar.name]
and minetest.registered_nodes[nodFar.name].walkable == true
or minetest.registered_nodes[nodFar2.name]
and minetest.registered_nodes[nodFar2.name].walkable == true)
then
--disable fear heigh while we make our jump
self._jumping_cliff = true
minetest.after(1, function()
if self and self.object then
self._jumping_cliff = false
end
end)
return true
else
return false
end
end
-- is mob facing a cliff or danger
local is_at_cliff_or_danger = function(self)
if self.fear_height == 0 or can_jump_cliff(self) or self._jumping_cliff or not self.object:get_luaentity() then -- 0 for no falling protection!
return false
end
local yaw = self.object:get_yaw()
local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:get_pos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
local free_fall, blocker = minetest.line_of_sight(
{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
{x = pos.x + dir_x, y = ypos - self.fear_height, z = pos.z + dir_z})
if free_fall then
return true
else
local bnode = minetest.get_node(blocker)
local danger = is_node_dangerous(self, bnode.name)
if danger then
return true
else
local def = minetest.registered_nodes[bnode.name]
if def and def.walkable then
return false
end
end
end
return false
end
-- copy the 'mob facing cliff_or_danger check' from above, and rework to avoid water
local is_at_water_danger = function(self)
if not self.object:get_luaentity() or can_jump_cliff(self) or self._jumping_cliff then
return false
end
local yaw = self.object:get_yaw()
local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:get_pos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
local free_fall, blocker = minetest.line_of_sight(
{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
{x = pos.x + dir_x, y = ypos - 3, z = pos.z + dir_z})
if free_fall then
return true
else
local bnode = minetest.get_node(blocker)
local waterdanger = is_node_waterhazard(self, bnode.name)
if
waterdanger and (is_node_waterhazard(self, self.standing_in) or is_node_waterhazard(self, self.standing_on)) then
return false
elseif waterdanger and (is_node_waterhazard(self, self.standing_in) or is_node_waterhazard(self, self.standing_on)) == false then
return true
else
local def = minetest.registered_nodes[bnode.name]
if def and def.walkable then
return false
end
end
end
return false
end
-- jump if facing a solid node (not fences or gates)
local do_jump = function(self)
if not self.jump
or self.jump_height == 0
or self.fly
or (self.child and self.type ~= "monster")
or self.order == "stand" then
return false
end
self.facing_fence = false
-- something stopping us while moving?
if self.state ~= "stand"
and self:get_velocity() > 0.5
and self.object:get_velocity().y ~= 0 then
return false
end
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
-- what is mob standing on?
pos.y = pos.y + self.collisionbox[2] - 0.2
local nod = node_ok(pos)
if minetest.registered_nodes[nod.name].walkable == false then
return false
end
local v = self.object:get_velocity()
local v2 = abs(v.x)+abs(v.z)*.833
local jump_c_multiplier = 1
if v2/self.walk_velocity/2>1 then
jump_c_multiplier = v2/self.walk_velocity/2
end
-- where is front
local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
-- what is in front of mob?
nod = node_ok({
x = pos.x + dir_x,
y = pos.y + 0.5,
z = pos.z + dir_z
})
-- this is used to detect if there's a block on top of the block in front of the mob.
-- If there is, there is no point in jumping as we won't manage.
local nodTop = node_ok({
x = pos.x + dir_x,
y = pos.y + 1.5,
z = pos.z + dir_z
}, "air")
-- we don't attempt to jump if there's a stack of blocks blocking
if minetest.registered_nodes[nodTop.name].walkable == true and not (self.attack and self.state == "attack") then
return false
end
-- thin blocks that do not need to be jumped
if nod.name == node_snow then
return false
end
local ndef = minetest.registered_nodes[nod.name]
if self.walk_chance == 0 or ndef and ndef.walkable or can_jump_cliff(self) then
if minetest.get_item_group(nod.name, "fence") == 0
and minetest.get_item_group(nod.name, "fence_gate") == 0
and minetest.get_item_group(nod.name, "wall") == 0 then
local v = self.object:get_velocity()
v.y = self.jump_height + 0.1 * 3
if can_jump_cliff(self) then
v=vector.multiply(v, vector.new(2.8,1,2.8))
end
self:set_animation( "jump") -- only when defined
self.object:set_velocity(v)
-- when in air move forward
minetest.after(0.3, function(self, v)
if (not self.object) or (not self.object:get_luaentity()) or (self.state == "die") then
return
end
self.object:set_acceleration({
x = v.x * 2,
y = DEFAULT_FALL_SPEED,
z = v.z * 2,
})
end, self, v)
if self.jump_sound_cooloff <= 0 then
self:mob_sound("jump")
self.jump_sound_cooloff = 0.5
end
else
self.facing_fence = true
end
-- if we jumped against a block/wall 4 times then turn
if self.object:get_velocity().x ~= 0
and self.object:get_velocity().z ~= 0 then
self.jump_count = (self.jump_count or 0) + 1
if self.jump_count == 4 then
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 1.35, 8)
self.jump_count = 0
end
end
return true
end
return false
end
-- should mob follow what I'm holding ?
local follow_holding = function(self, clicker)
if self.nofollow then return false end
if mcl_mobs.invis[clicker:get_player_name()] then
return false
end
local item = clicker:get_wielded_item()
local t = type(self.follow)
-- single item
if t == "string"
and item:get_name() == self.follow then
return true
-- multiple items
elseif t == "table" then
for no = 1, #self.follow do
if self.follow[no] == item:get_name() then
return true
end
end
end
return false
end
-- find two animals of same type and breed if nearby and horny
local breed = function(self)
--mcl_log("In breed function")
-- child takes a long time before growing into adult
if self.child == true then
-- When a child, hornytimer is used to count age until adulthood
self.hornytimer = self.hornytimer + 1
if self.hornytimer >= CHILD_GROW_TIME then
self.child = false
self.hornytimer = 0
self.object:set_properties({
textures = self.base_texture,
mesh = self.base_mesh,
visual_size = self.base_size,
collisionbox = self.base_colbox,
selectionbox = self.base_selbox,
})
-- custom function when child grows up
if self.on_grown then
self.on_grown(self)
else
-- jump when fully grown so as not to fall into ground
self.object:set_velocity({
x = 0,
y = self.jump_height*3,
z = 0
})
end
self.animation = nil
local anim = self._current_animation
self._current_animation = nil -- Mobs Redo does nothing otherwise
mcl_mobs.self:set_animation( anim)
end
return
end
-- horny animal can mate for HORNY_TIME seconds,
-- afterwards horny animal cannot mate again for HORNY_AGAIN_TIME seconds
if self.horny == true
and self.hornytimer < HORNY_TIME + HORNY_AGAIN_TIME then
self.hornytimer = self.hornytimer + 1
if self.hornytimer >= HORNY_TIME + HORNY_AGAIN_TIME then
self.hornytimer = 0
self.horny = false
end
end
-- find another same animal who is also horny and mate if nearby
if self.horny == true
and self.hornytimer <= HORNY_TIME then
mcl_log("In breed function. All good. Do the magic.")
local pos = self.object:get_pos()
mcl_mobs.effect({x = pos.x, y = pos.y + 1, z = pos.z}, 8, "heart.png", 3, 4, 1, 0.1)
local objs = minetest.get_objects_inside_radius(pos, 3)
local num = 0
local ent = nil
for n = 1, #objs do
ent = objs[n]:get_luaentity()
-- check for same animal with different colour
local canmate = false
if ent then
if ent.name == self.name then
canmate = true
else
local entname = string.split(ent.name,":")
local selfname = string.split(self.name,":")
if entname[1] == selfname[1] then
entname = string.split(entname[2],"_")
selfname = string.split(selfname[2],"_")
if entname[1] == selfname[1] then
canmate = true
end
end
end
end
if canmate then mcl_log("In breed function. Can mate.") end
if ent
and canmate == true
and ent.horny == true
and ent.hornytimer <= HORNY_TIME then
num = num + 1
end
-- found your mate? then have a baby
if num > 1 then
self.hornytimer = HORNY_TIME + 1
ent.hornytimer = HORNY_TIME + 1
-- spawn baby
minetest.after(5, function(parent1, parent2, pos)
if not parent1.object:get_luaentity() then
return
end
if not parent2.object:get_luaentity() then
return
end
mcl_experience.throw_xp(pos, random(1, 7))
-- custom breed function
if parent1.on_breed then
-- when false, skip going any further
if parent1.on_breed(parent1, parent2) == false then
return
end
end
local child = mcl_mobs:spawn_child(pos, parent1.name)
local ent_c = child:get_luaentity()
-- Use texture of one of the parents
local p = random(1, 2)
if p == 1 then
ent_c.base_texture = parent1.base_texture
else
ent_c.base_texture = parent2.base_texture
end
child:set_properties({
textures = ent_c.base_texture
})
-- tamed and owned by parents' owner
ent_c.tamed = true
ent_c.owner = parent1.owner
end, self, ent, pos)
num = 0
break
end
end
end
end
-- find and replace what mob is looking for (grass, wheat etc.)
local replace = function(self, pos)
if not self.replace_rate
or not self.replace_what
or self.child == true
or self.object:get_velocity().y ~= 0
or random(1, self.replace_rate) > 1 then
return
end
local what, with, y_offset
if type(self.replace_what[1]) == "table" then
local num = random(#self.replace_what)
what = self.replace_what[num][1] or ""
with = self.replace_what[num][2] or ""
y_offset = self.replace_what[num][3] or 0
else
what = self.replace_what
with = self.replace_with or ""
y_offset = self.replace_offset or 0
end
pos.y = pos.y + y_offset
local node = minetest.get_node(pos)
if node.name == what then
local oldnode = {name = what, param2 = node.param2}
local newnode = {name = with, param2 = node.param2}
local on_replace_return
if self.on_replace then
on_replace_return = self.on_replace(self, pos, oldnode, newnode)
end
if on_replace_return ~= false then
if mobs_griefing then
minetest.set_node(pos, newnode)
end
end
end
end
-- check if daytime and also if mob is docile during daylight hours
local day_docile = function(self)
if self.docile_by_day == false then
return false
elseif self.docile_by_day == true
and self.time_of_day > 0.2
and self.time_of_day < 0.8 then
return true
end
end
local los_switcher = false
local height_switcher = false
-- path finding and smart mob routine by rnd, line_of_sight and other edits by Elkien3
local smart_mobs = function(self, s, p, dist, dtime)
local s1 = self.path.lastpos
local target_pos = self.attack:get_pos()
-- is it becoming stuck?
if abs(s1.x - s.x) + abs(s1.z - s.z) < .5 then
self.path.stuck_timer = self.path.stuck_timer + dtime
else
self.path.stuck_timer = 0
end
self.path.lastpos = {x = s.x, y = s.y, z = s.z}
local use_pathfind = false
local has_lineofsight = minetest.line_of_sight(
{x = s.x, y = (s.y) + .5, z = s.z},
{x = target_pos.x, y = (target_pos.y) + 1.5, z = target_pos.z}, .2)
-- im stuck, search for path
if not has_lineofsight then
if los_switcher == true then
use_pathfind = true
los_switcher = false
end -- cannot see target!
else
if los_switcher == false then
los_switcher = true
use_pathfind = false
minetest.after(1, function(self)
if not self.object:get_luaentity() then
return
end
if has_lineofsight then self.path.following = false end
end, self)
end -- can see target!
end
if (self.path.stuck_timer > stuck_timeout and not self.path.following) then
use_pathfind = true
self.path.stuck_timer = 0
minetest.after(1, function(self)
if not self.object:get_luaentity() then
return
end
if has_lineofsight then self.path.following = false end
end, self)
end
if (self.path.stuck_timer > stuck_path_timeout and self.path.following) then
use_pathfind = true
self.path.stuck_timer = 0
minetest.after(1, function(self)
if not self.object:get_luaentity() then
return
end
if has_lineofsight then self.path.following = false end
end, self)
end
if abs(vector.subtract(s,target_pos).y) > self.stepheight then
if height_switcher then
use_pathfind = true
height_switcher = false
end
else
if not height_switcher then
use_pathfind = false
height_switcher = true
end
end
if use_pathfind then
-- lets try find a path, first take care of positions
-- since pathfinder is very sensitive
local sheight = self.collisionbox[5] - self.collisionbox[2]
-- round position to center of node to avoid stuck in walls
-- also adjust height for player models!
s.x = floor(s.x + 0.5)
s.z = floor(s.z + 0.5)
local ssight, sground = minetest.line_of_sight(s, {
x = s.x, y = s.y - 4, z = s.z}, 1)
-- determine node above ground
if not ssight then
s.y = sground.y + 1
end
local p1 = self.attack:get_pos()
p1.x = floor(p1.x + 0.5)
p1.y = floor(p1.y + 0.5)
p1.z = floor(p1.z + 0.5)
local dropheight = 12
if self.fear_height ~= 0 then dropheight = self.fear_height end
local jumpheight = 0
if self.jump and self.jump_height >= 4 then
jumpheight = min(ceil(self.jump_height / 4), 4)
elseif self.stepheight > 0.5 then
jumpheight = 1
end
self.path.way = minetest.find_path(s, p1, 16, jumpheight, dropheight, "A*_noprefetch")
self.state = ""
do_attack(self, self.attack)
-- no path found, try something else
if not self.path.way then
self.path.following = false
-- lets make way by digging/building if not accessible
if self.pathfinding == 2 and mobs_griefing then
-- is player higher than mob?
if s.y < p1.y then
-- build upwards
if not minetest.is_protected(s, "") then
local ndef1 = minetest.registered_nodes[self.standing_in]
if ndef1 and (ndef1.buildable_to or ndef1.groups.liquid) then
minetest.set_node(s, {name = mcl_mobs.fallback_node})
end
end
local sheight = ceil(self.collisionbox[5]) + 1
-- assume mob is 2 blocks high so it digs above its head
s.y = s.y + sheight
-- remove one block above to make room to jump
if not minetest.is_protected(s, "") then
local node1 = node_ok(s, "air").name
local ndef1 = minetest.registered_nodes[node1]
if node1 ~= "air"
and node1 ~= "ignore"
and ndef1
and not ndef1.groups.level
and not ndef1.groups.unbreakable
and not ndef1.groups.liquid then
minetest.set_node(s, {name = "air"})
minetest.add_item(s, ItemStack(node1))
end
end
s.y = s.y - sheight
self.object:set_pos({x = s.x, y = s.y + 2, z = s.z})
else -- dig 2 blocks to make door toward player direction
local yaw1 = self.object:get_yaw() + pi / 2
local p1 = {
x = s.x + cos(yaw1),
y = s.y,
z = s.z + sin(yaw1)
}
if not minetest.is_protected(p1, "") then
local node1 = node_ok(p1, "air").name
local ndef1 = minetest.registered_nodes[node1]
if node1 ~= "air"
and node1 ~= "ignore"
and ndef1
and not ndef1.groups.level
and not ndef1.groups.unbreakable
and not ndef1.groups.liquid then
minetest.add_item(p1, ItemStack(node1))
minetest.set_node(p1, {name = "air"})
end
p1.y = p1.y + 1
node1 = node_ok(p1, "air").name
ndef1 = minetest.registered_nodes[node1]
if node1 ~= "air"
and node1 ~= "ignore"
and ndef1
and not ndef1.groups.level
and not ndef1.groups.unbreakable
and not ndef1.groups.liquid then
minetest.add_item(p1, ItemStack(node1))
minetest.set_node(p1, {name = "air"})
end
end
end
end
-- will try again in 2 seconds
self.path.stuck_timer = stuck_timeout - 2
elseif s.y < p1.y and (not self.fly) then
do_jump(self) --add jump to pathfinding
self.path.following = true
-- Yay, I found path!
-- TODO: Implement war_cry sound without being annoying
--self:mob_sound("war_cry", true)
else
self:set_velocity(self.walk_velocity)
-- follow path now that it has it
self.path.following = true
end
end
end
-- specific attacks
local specific_attack = function(list, what)
-- no list so attack default (player, animals etc.)
if list == nil then
return true
end
-- found entity on list to attack?
for no = 1, #list do
if list[no] == what then
return true
end
end
return false
end
-- find someone to attack
local monster_attack = function(self)
if not damage_enabled
or self.passive ~= false
or self.state == "attack"
or day_docile(self) then
return
end
local s = self.object:get_pos()
local p, sp, dist
local player, obj, min_player
local type, name = "", ""
local min_dist = self.view_range + 1
local objs = minetest.get_objects_inside_radius(s, self.view_range)
local blacklist_attack = {}
for n = 1, #objs do
if not objs[n]:is_player() then
obj = objs[n]:get_luaentity()
if obj then
player = obj.object
name = obj.name or ""
end
if obj and obj.type == self.type and obj.passive == false and obj.state == "attack" and obj.attack then
table.insert(blacklist_attack, obj.attack)
end
end
end
for n = 1, #objs do
if objs[n]:is_player() then
if mcl_mobs.invis[ objs[n]:get_player_name() ] or (not object_in_range(self, objs[n])) then
type = ""
elseif (self.type == "monster" or self._aggro) then
player = objs[n]
type = "player"
name = "player"
end
else
obj = objs[n]:get_luaentity()
if obj then
player = obj.object
type = obj.type
name = obj.name or ""
end
end
-- find specific mob to attack, failing that attack player/npc/animal
if specific_attack(self.specific_attack, name)
and (type == "player" or ( type == "npc" and self.attack_npcs )
or (type == "animal" and self.attack_animals == true)) then
p = player:get_pos()
sp = s
dist = vector.distance(p, s)
-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
local attacked_p = false
for c=1, #blacklist_attack do
if blacklist_attack[c] == player then
attacked_p = true
end
end
-- choose closest player to attack
if dist < min_dist
and not attacked_p
and line_of_sight(self, sp, p, 2) == true then
min_dist = dist
min_player = player
end
end
end
if not min_player and #blacklist_attack > 0 then
min_player=blacklist_attack[math.random(#blacklist_attack)]
end
-- attack player
if min_player then
do_attack(self, min_player)
end
end
-- npc, find closest monster to attack
local npc_attack = function(self)
if self.type ~= "npc"
or not self.attacks_monsters
or self.state == "attack" then
return
end
local p, sp, obj, min_player
local s = self.object:get_pos()
local min_dist = self.view_range + 1
local objs = minetest.get_objects_inside_radius(s, self.view_range)
for n = 1, #objs do
obj = objs[n]:get_luaentity()
if obj and obj.type == "monster" then
p = obj.object:get_pos()
sp = s
local dist = vector.distance(p, s)
-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
if dist < min_dist
and line_of_sight(self, sp, p, 2) == true then
min_dist = dist
min_player = obj.object
end
end
end
if min_player then
do_attack(self, min_player)
end
end
-- specific runaway
local specific_runaway = function(list, what)
-- no list so do not run
if list == nil then
return false
end
-- found entity on list to attack?
for no = 1, #list do
if list[no] == what then
return true
end
end
return false
end
-- find someone to runaway from
local runaway_from = function(self)
if not self.runaway_from and self.state ~= "flop" then
return
end
local s = self.object:get_pos()
local p, sp, dist
local player, obj, min_player
local type, name = "", ""
local min_dist = self.view_range + 1
local objs = minetest.get_objects_inside_radius(s, self.view_range)
for n = 1, #objs do
if objs[n]:is_player() then
if mcl_mobs.invis[ objs[n]:get_player_name() ]
or self.owner == objs[n]:get_player_name()
or (not object_in_range(self, objs[n])) then
type = ""
else
player = objs[n]
type = "player"
name = "player"
end
else
obj = objs[n]:get_luaentity()
if obj then
player = obj.object
type = obj.type
name = obj.name or ""
end
end
-- find specific mob to runaway from
if name ~= "" and name ~= self.name
and specific_runaway(self.runaway_from, name) then
p = player:get_pos()
sp = s
-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
dist = vector.distance(p, s)
-- choose closest player/mpb to runaway from
if dist < min_dist
and line_of_sight(self, sp, p, 2) == true then
min_dist = dist
min_player = player
end
end
end
if min_player then
local lp = player:get_pos()
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
local yaw = (atan(vec.z / vec.x) + 3 * pi / 2) - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
yaw = self:set_yaw( yaw, 4)
self.state = "runaway"
self.runaway_timer = 3
self.following = nil
end
end
-- follow player if owner or holding item, if fish outta water then flop
local follow_flop = function(self)
-- find player to follow
if (self.follow ~= ""
or self.order == "follow")
and not self.following
and self.state ~= "attack"
and self.order ~= "sit"
and self.state ~= "runaway" then
local s = self.object:get_pos()
local players = minetest.get_connected_players()
for n = 1, #players do
if (object_in_range(self, players[n]))
and not mcl_mobs.invis[ players[n]:get_player_name() ] then
self.following = players[n]
break
end
end
end
if self.type == "npc"
and self.order == "follow"
and self.state ~= "attack"
and self.order ~= "sit"
and self.owner ~= "" then
-- npc stop following player if not owner
if self.following
and self.owner
and self.owner ~= self.following:get_player_name() then
self.following = nil
end
else
-- stop following player if not holding specific item,
-- mob is horny, fleeing or attacking
if self.following
and self.following:is_player()
and (follow_holding(self, self.following) == false or
self.horny or self.state == "runaway") then
self.following = nil
end
end
-- follow that thing
if self.following then
local s = self.object:get_pos()
local p
if self.following:is_player() then
p = self.following:get_pos()
elseif self.following.object then
p = self.following.object:get_pos()
end
if p then
local dist = vector.distance(p, s)
-- dont follow if out of range
if (not object_in_range(self, self.following)) then
self.following = nil
else
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
local yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then yaw = yaw + pi end
self:set_yaw( yaw, 2.35)
-- anyone but standing npc's can move along
if dist > 3
and self.order ~= "stand" then
self:set_velocity(self.follow_velocity)
if self.walk_chance ~= 0 then
self:set_animation( "run")
end
else
self:set_velocity(0)
self:set_animation( "stand")
end
return
end
end
end
-- swimmers flop when out of their element, and swim again when back in
if self.fly then
local s = self.object:get_pos()
if self:flight_check( s) == false then
self.state = "flop"
self.object:set_acceleration({x = 0, y = DEFAULT_FALL_SPEED, z = 0})
local p = self.object:get_pos()
local sdef = minetest.registered_nodes[node_ok(vector.add(p, vector.new(0,self.collisionbox[2]-0.2,0))).name]
-- Flop on ground
if sdef and sdef.walkable then
if self.object:get_velocity().y < 0.1 then
self:mob_sound("flop")
self.object:set_velocity({
x = random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
y = FLOP_HEIGHT,
z = random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
})
end
end
self:set_animation( "stand", true)
return
elseif self.state == "flop" then
self.state = "stand"
self.object:set_acceleration({x = 0, y = 0, z = 0})
self:set_velocity(0)
end
end
end
-- dogshoot attack switch and counter function
local dogswitch = function(self, dtime)
-- switch mode not activated
if not self.dogshoot_switch
or not dtime then
return 0
end
self.dogshoot_count = self.dogshoot_count + dtime
if (self.dogshoot_switch == 1
and self.dogshoot_count > self.dogshoot_count_max)
or (self.dogshoot_switch == 2
and self.dogshoot_count > self.dogshoot_count2_max) then
self.dogshoot_count = 0
if self.dogshoot_switch == 1 then
self.dogshoot_switch = 2
else
self.dogshoot_switch = 1
end
end
return self.dogshoot_switch
end
local function go_to_pos(entity,b)
if not entity then return end
local s=entity.object:get_pos()
if not b then
--self.state = "stand"
return end
if vector.distance(b,s) < 1 then
--entity:set_velocity(0)
return true
end
local v = { x = b.x - s.x, z = b.z - s.z }
local yaw = (atann(v.z / v.x) + pi / 2) - entity.rotate
if b.x > s.x then yaw = yaw + pi end
entity.object:set_yaw(yaw)
entity:set_velocity(entity.follow_velocity)
mcl_mobs:set_animation(entity, "walk")
end
local function interact_with_door(self, action, target)
local p = self.object:get_pos()
--local t = minetest.get_timeofday()
--local dd = minetest.find_nodes_in_area(vector.offset(p,-1,-1,-1),vector.offset(p,1,1,1),{"group:door"})
--for _,d in pairs(dd) do
if target then
mcl_log("Door target is: ".. minetest.pos_to_string(target))
local n = minetest.get_node(target)
if n.name:find("_b_") or n.name:find("_t_") then
mcl_log("Door")
local def = minetest.registered_nodes[n.name]
local closed = n.name:find("_b_1") or n.name:find("_t_1")
--if self.state == PATHFINDING then
if closed and action == "open" and def.on_rightclick then
mcl_log("Open door")
def.on_rightclick(target,n,self)
end
if not closed and action == "close" and def.on_rightclick then
mcl_log("Close door")
def.on_rightclick(target,n,self)
end
--else
else
mcl_log("Not door")
end
else
mcl_log("no target. cannot try and open or close door")
end
--end
end
local function do_pathfind_action (self, action)
if action then
mcl_log("Action present")
local type = action["type"]
local action_val = action["action"]
local target = action["target"]
if target then
mcl_log("Target: ".. minetest.pos_to_string(target))
end
if type and type == "door" then
mcl_log("Type is door")
interact_with_door(self, action_val, target)
end
end
end
local gowp_etime = 0
local function check_gowp(self,dtime)
gowp_etime = gowp_etime + dtime
-- 0.1 is optimal.
--less frequently = villager will get sent back after passing a point.
--more frequently = villager will fail points they shouldn't they just didn't get there yet
--if gowp_etime < 0.05 then return end
--gowp_etime = 0
local p = self.object:get_pos()
-- no destination
if not p or not self._target then
mcl_log("p: ".. tostring(p))
mcl_log("self._target: ".. tostring(self._target))
return
end
-- arrived at location, finish gowp
local distance_to_targ = vector.distance(p,self._target)
--mcl_log("Distance to targ: ".. tostring(distance_to_targ))
if distance_to_targ < 2 then
mcl_log("Arrived at _target")
self.waypoints = nil
self._target = nil
self.current_target = nil
self.state = "stand"
self.order = "stand"
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = 0, z = 0})
if self.callback_arrived then return self.callback_arrived(self) end
return true
end
-- More pathing to be done
local distance_to_current_target = 50
if self.current_target and self.current_target["pos"] then
distance_to_current_target = vector.distance(p,self.current_target["pos"])
end
-- 0.6 is working but too sensitive. sends villager back too frequently. 0.7 is quite good, but not with heights
-- 0.8 is optimal for 0.025 frequency checks and also 1... Actually. 0.8 is winning
-- 0.9 and 1.0 is also good. Stick with unless door open or closing issues
if self.waypoints and #self.waypoints > 0 and ( not self.current_target or not self.current_target["pos"] or distance_to_current_target < 0.9 ) then
-- We have waypoints, and no current target, or we're at it. We need a new current_target.
do_pathfind_action (self, self.current_target["action"])
local failed_attempts = self.current_target["failed_attempts"]
mcl_log("There after " .. failed_attempts .. " failed attempts. current target:".. minetest.pos_to_string(self.current_target["pos"]) .. ". Distance: " .. distance_to_current_target)
self.current_target = table.remove(self.waypoints, 1)
go_to_pos(self, self.current_target["pos"])
return
elseif self.current_target and self.current_target["pos"] then
-- No waypoints left, but have current target. Potentially last waypoint to go to.
self.current_target["failed_attempts"] = self.current_target["failed_attempts"] + 1
local failed_attempts = self.current_target["failed_attempts"]
if failed_attempts >= 50 then
mcl_log("Failed to reach position (" .. minetest.pos_to_string(self.current_target["pos"]) .. ") too many times. Abandon route. Times tried: " .. failed_attempts)
self.state = "stand"
self.current_target = nil
self.waypoints = nil
self._target = nil
self._pf_last_failed = os.time()
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = 0, z = 0})
return
end
--mcl_log("Not at pos with failed attempts ".. failed_attempts ..": ".. minetest.pos_to_string(p) .. "self.current_target: ".. minetest.pos_to_string(self.current_target["pos"]) .. ". Distance: ".. distance_to_current_target)
go_to_pos(self, self.current_target["pos"])
-- Do i just delete current_target, and return so we can find final path.
else
-- Not at target, no current waypoints or current_target. Through the door and should be able to path to target.
-- Is a little sensitive and could take 1 - 7 times. A 10 fail count might be a good exit condition.
mcl_log("We don't have waypoints or a current target. Let's try to path to target")
local final_wp = minetest.find_path(p,self._target,150,1,4)
if final_wp then
mcl_log("We might be able to get to target here.")
-- self.waypoints = final_wp
--go_to_pos(self,self._target)
else
-- Abandon route?
mcl_log("Cannot plot final route to target")
end
end
-- I don't think we need the following anymore, but test first.
-- Maybe just need something to path to target if no waypoints left
if self.current_target and self.current_target["pos"] and (self.waypoints and #self.waypoints == 0) then
local updated_p = self.object:get_pos()
local distance_to_cur_targ = vector.distance(updated_p,self.current_target["pos"])
mcl_log("Distance to current target: ".. tostring(distance_to_cur_targ))
mcl_log("Current p: ".. minetest.pos_to_string(updated_p))
-- 1.6 is good. is 1.9 better? It could fail less, but will it path to door when it isn't after door
if distance_to_cur_targ > 1.9 then
mcl_log("not close to current target: ".. minetest.pos_to_string(self.current_target["pos"]))
go_to_pos(self,self._current_target)
else
mcl_log("close to current target: ".. minetest.pos_to_string(self.current_target["pos"]))
self.current_target = nil
end
return
end
end
-- execute current state (stand, walk, run, attacks)
-- returns true if mob has died
local do_states = function(self, dtime)
--if self.can_open_doors then check_doors(self) end
local yaw = self.object:get_yaw() or 0
if self.state == "stand" then
if random(1, 4) == 1 then
local s = self.object:get_pos()
local objs = minetest.get_objects_inside_radius(s, 3)
local lp
for n = 1, #objs do
if objs[n]:is_player() then
lp = objs[n]:get_pos()
break
end
end
-- look at any players nearby, otherwise turn randomly
if lp and self.look_at_players then
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if lp.x > s.x then yaw = yaw + pi end
else
yaw = yaw + random(-0.5, 0.5)
end
yaw = self:set_yaw( yaw, 8)
end
if self.order == "sit" then
self:set_animation( "sit")
self:set_velocity(0)
else
self:set_animation( "stand")
self:set_velocity(0)
end
-- npc's ordered to stand stay standing
if self.order == "stand" or self.order == "sleep" or self.order == "work" then
else
if self.walk_chance ~= 0
and self.facing_fence ~= true
and random(1, 100) <= self.walk_chance
and is_at_cliff_or_danger(self) == false then
self:set_velocity(self.walk_velocity)
self.state = "walk"
self:set_animation( "walk")
end
end
elseif self.state == PATHFINDING then
check_gowp(self,dtime)
elseif self.state == "walk" then
local s = self.object:get_pos()
local lp = nil
-- is there something I need to avoid?
if (self.water_damage > 0
and self.lava_damage > 0)
or self.breath_max ~= -1 then
lp = minetest.find_node_near(s, 1, {"group:water", "group:lava"})
elseif self.water_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:water"})
elseif self.lava_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:lava"})
elseif self.fire_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:fire"})
end
local is_in_danger = false
if lp then
-- If mob in or on dangerous block, look for land
if (is_node_dangerous(self, self.standing_in) or
is_node_dangerous(self, self.standing_on)) or (is_node_waterhazard(self, self.standing_in) or is_node_waterhazard(self, self.standing_on)) and (not self.fly) then
is_in_danger = true
-- If mob in or on dangerous block, look for land
if is_in_danger then
-- Better way to find shore - copied from upstream
lp = minetest.find_nodes_in_area_under_air(
{x = s.x - 5, y = s.y - 0.5, z = s.z - 5},
{x = s.x + 5, y = s.y + 1, z = s.z + 5},
{"group:solid"})
lp = #lp > 0 and lp[random(#lp)]
-- did we find land?
if lp then
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if lp.x > s.x then yaw = yaw + pi end
-- look towards land and move in that direction
yaw = self:set_yaw( yaw, 6)
self:set_velocity(self.walk_velocity)
end
end
-- A danger is near but mob is not inside
else
-- Randomly turn
if random(1, 100) <= 30 then
yaw = yaw + random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8)
end
end
yaw = self:set_yaw( yaw, 8)
-- otherwise randomly turn
elseif random(1, 100) <= 30 then
yaw = yaw + random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8)
end
-- stand for great fall or danger or fence in front
local cliff_or_danger = false
if is_in_danger then
cliff_or_danger = is_at_cliff_or_danger(self)
end
if self.facing_fence == true
or cliff_or_danger
or random(1, 100) <= 30 then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
self:set_velocity(self.walk_velocity)
if self:flight_check()
and self.animation
and self.animation.fly_start
and self.animation.fly_end then
self:set_animation( "fly")
else
self:set_animation( "walk")
end
end
-- runaway when punched
elseif self.state == "runaway" then
self.runaway_timer = self.runaway_timer + 1
-- stop after 5 seconds or when at cliff
if self.runaway_timer > 5
or is_at_cliff_or_danger(self) then
self.runaway_timer = 0
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
self:set_velocity( self.run_velocity)
self:set_animation( "run")
end
-- attack routines (explode, dogfight, shoot, dogshoot)
elseif self.state == "attack" then
local s = self.object:get_pos()
local p = self.attack:get_pos() or s
-- stop attacking if player invisible or out of range
if not self.attack
or not self.attack:get_pos()
or not object_in_range(self, self.attack)
or self.attack:get_hp() <= 0
or (self.attack:is_player() and mcl_mobs.invis[ self.attack:get_player_name() ]) then
self.state = "stand"
self:set_velocity( 0)
self:set_animation( "stand")
self.attack = nil
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.path.way = nil
return
end
-- calculate distance from mob and enemy
local dist = vector.distance(p, s)
if self.attack_type == "explode" then
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then yaw = yaw + pi end
yaw = self:set_yaw( yaw, 0, dtime)
local node_break_radius = self.explosion_radius or 1
local entity_damage_radius = self.explosion_damage_radius
or (node_break_radius * 2)
-- start timer when in reach and line of sight
if not self.v_start
and dist <= self.reach
and line_of_sight(self, s, p, 2) then
self.v_start = true
self.timer = 0
self.blinktimer = 0
self:mob_sound("fuse", nil, false)
-- stop timer if out of reach or direct line of sight
elseif self.allow_fuse_reset
and self.v_start
and (dist >= self.explosiontimer_reset_radius
or not line_of_sight(self, s, p, 2)) then
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
self:remove_texture_mod("^[brighten")
end
-- walk right up to player unless the timer is active
if self.v_start and (self.stop_to_explode or dist < self.reach) then
self:set_velocity( 0)
else
self:set_velocity( self.run_velocity)
end
if self.animation and self.animation.run_start then
self:set_animation( "run")
else
self:set_animation( "walk")
end
if self.v_start then
self.timer = self.timer + dtime
self.blinktimer = (self.blinktimer or 0) + dtime
if self.blinktimer > 0.2 then
self.blinktimer = 0
if self.blinkstatus then
self:remove_texture_mod("^[brighten")
else
self:add_texture_mod("^[brighten")
end
self.blinkstatus = not self.blinkstatus
end
if self.timer > self.explosion_timer then
local pos = self.object:get_pos()
if mobs_griefing and not minetest.is_protected(pos, "") then
mcl_explosions.explode(mcl_util.get_object_center(self.object), self.explosion_strength, { drop_chance = 1.0 }, self.object)
else
minetest.sound_play(self.sounds.explode, {
pos = pos,
gain = 1.0,
max_hear_distance = self.sounds.distance or 32
}, true)
entity_physics(pos, entity_damage_radius)
mcl_mobs.effect(pos, 32, "mcl_particles_smoke.png", nil, nil, node_break_radius, 1, 0)
end
mcl_burning.extinguish(self.object)
self.object:remove()
return true
end
end
elseif self.attack_type == "dogfight"
or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 2) and (dist >= self.avoid_distance or not self.shooter_avoid_enemy)
or (self.attack_type == "dogshoot" and dist <= self.reach and dogswitch(self) == 0) then
if self.fly
and dist > self.reach then
local p1 = s
local me_y = floor(p1.y)
local p2 = p
local p_y = floor(p2.y + 1)
local v = self.object:get_velocity()
if self:flight_check( s) then
if me_y < p_y then
self.object:set_velocity({
x = v.x,
y = 1 * self.walk_velocity,
z = v.z
})
elseif me_y > p_y then
self.object:set_velocity({
x = v.x,
y = -1 * self.walk_velocity,
z = v.z
})
end
else
if me_y < p_y then
self.object:set_velocity({
x = v.x,
y = 0.01,
z = v.z
})
elseif me_y > p_y then
self.object:set_velocity({
x = v.x,
y = -0.01,
z = v.z
})
end
end
end
-- rnd: new movement direction
if self.path.following
and self.path.way
and self.attack_type ~= "dogshoot" then
-- no paths longer than 50
if #self.path.way > 50
or dist < self.reach then
self.path.following = false
return
end
local p1 = self.path.way[1]
if not p1 then
self.path.following = false
return
end
if abs(p1.x-s.x) + abs(p1.z - s.z) < 0.6 then
-- reached waypoint, remove it from queue
table.remove(self.path.way, 1)
end
-- set new temporary target
p = {x = p1.x, y = p1.y, z = p1.z}
end
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then yaw = yaw + pi end
yaw = self:set_yaw( yaw, 0, dtime)
-- move towards enemy if beyond mob reach
if dist > self.reach then
-- path finding by rnd
if self.pathfinding -- only if mob has pathfinding enabled
and enable_pathfinding then
smart_mobs(self, s, p, dist, dtime)
end
if is_at_cliff_or_danger(self) then
self:set_velocity( 0)
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
if self.path.stuck then
self:set_velocity( self.walk_velocity)
else
self:set_velocity( self.run_velocity)
end
if self.animation and self.animation.run_start then
self:set_animation( "run")
else
self:set_animation( "walk")
end
end
else -- rnd: if inside reach range
self.path.stuck = false
self.path.stuck_timer = 0
self.path.following = false -- not stuck anymore
self:set_velocity( 0)
if not self.custom_attack then
if self.timer > 1 then
self.timer = 0
if self.double_melee_attack
and random(1, 2) == 1 then
self:set_animation( "punch2")
else
self:set_animation( "punch")
end
local p2 = p
local s2 = s
p2.y = p2.y + .5
s2.y = s2.y + .5
if line_of_sight(self, p2, s2) == true then
-- play attack sound
self:mob_sound("attack")
-- punch player (or what player is attached to)
local attached = self.attack:get_attach()
if attached then
self.attack = attached
end
self.attack:punch(self.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = self.damage}
}, nil)
end
end
else -- call custom attack every second
if self.custom_attack
and self.timer > 1 then
self.timer = 0
self.custom_attack(self, p)
end
end
end
elseif self.attack_type == "shoot"
or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 1)
or (self.attack_type == "dogshoot" and (dist > self.reach or dist < self.avoid_distance and self.shooter_avoid_enemy) and dogswitch(self) == 0) then
p.y = p.y - .5
s.y = s.y + .5
local dist = vector.distance(p, s)
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then yaw = yaw + pi end
yaw = self:set_yaw( yaw, 0, dtime)
local stay_away_from_player = vector.new(0,0,0)
--strafe back and fourth
--stay away from player so as to shoot them
if dist < self.avoid_distance and self.shooter_avoid_enemy then
self:set_animation( "shoot")
stay_away_from_player=vector.multiply(vector.direction(p, s), 0.33)
end
if self.strafes then
if not self.strafe_direction then
self.strafe_direction = 1.57
end
if math.random(40) == 1 then
self.strafe_direction = self.strafe_direction*-1
end
self.acc = vector.add(vector.multiply(vector.rotate_around_axis(vector.direction(s, p), vector.new(0,1,0), self.strafe_direction), 0.3*self.walk_velocity), stay_away_from_player)
else
self:set_velocity( 0)
end
local p = self.object:get_pos()
p.y = p.y + (self.collisionbox[2] + self.collisionbox[5]) / 2
if self.shoot_interval
and self.timer > self.shoot_interval
and not minetest.raycast(vector.add(p, vector.new(0,self.shoot_offset,0)), vector.add(self.attack:get_pos(), vector.new(0,1.5,0)), false, false):next()
and random(1, 100) <= 60 then
self.timer = 0
self:set_animation( "shoot")
-- play shoot attack sound
self:mob_sound("shoot_attack")
-- Shoot arrow
if minetest.registered_entities[self.arrow] then
local arrow, ent
local v = 1
if not self.shoot_arrow then
self.firing = true
minetest.after(1, function()
self.firing = false
end)
arrow = minetest.add_entity(p, self.arrow)
ent = arrow:get_luaentity()
if ent.velocity then
v = ent.velocity
end
ent.switch = 1
ent.owner_id = tostring(self.object) -- add unique owner id to arrow
-- important for mcl_shields
ent._shooter = self.object
ent._saved_shooter_pos = self.object:get_pos()
end
local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5
-- offset makes shoot aim accurate
vec.y = vec.y + self.shoot_offset
vec.x = vec.x * (v / amount)
vec.y = vec.y * (v / amount)
vec.z = vec.z * (v / amount)
if self.shoot_arrow then
vec = vector.normalize(vec)
self:shoot_arrow(p, vec)
else
arrow:set_velocity(vec)
end
end
end
else
end
end
end
function output_table (wp)
if not wp then return end
mcl_log("wp items: ".. tostring(#wp))
for a,b in pairs(wp) do
mcl_log(a.. ": ".. tostring(b))
end
end
function append_paths (wp1, wp2)
mcl_log("Start append")
if not wp1 or not wp2 then
mcl_log("Cannot append wp's")
return
end
output_table(wp1)
output_table(wp2)
for _,a in pairs (wp2) do
table.insert(wp1, a)
end
mcl_log("End append")
end
local function output_enriched (wp_out)
mcl_log("Output enriched path")
local i = 0
for _,outy in pairs (wp_out) do
i = i + 1
mcl_log("Pos ".. i ..":" .. minetest.pos_to_string(outy["pos"]))
local action = outy["action"]
if action then
mcl_log("type: " .. action["type"])
mcl_log("action: " .. action["action"])
mcl_log("target: " .. minetest.pos_to_string(action["target"]))
end
mcl_log("failed attempts: " .. outy["failed_attempts"])
end
end
-- This function will take a list of paths, and enrich it with:
-- a var for failed attempts
-- an action, such as to open or close a door where we know that pos requires that action
local function generate_enriched_path(wp_in, door_open_pos, door_close_pos, cur_door_pos)
local wp_out = {}
for i, cur_pos in pairs(wp_in) do
local action = nil
local one_down = vector.new(0,-1,0)
local cur_pos_to_add = vector.add(cur_pos, one_down)
if door_open_pos and vector.equals (cur_pos, door_open_pos) then
mcl_log ("Door open match")
--action = {type = "door", action = "open"}
action = {}
action["type"] = "door"
action["action"] = "open"
action["target"] = cur_door_pos
cur_pos_to_add = vector.add(cur_pos, one_down)
elseif door_close_pos and vector.equals(cur_pos, door_close_pos) then
mcl_log ("Door close match")
--action = {type = "door", action = "closed"}
action = {}
action["type"] = "door"
action["action"] = "close"
action["target"] = cur_door_pos
cur_pos_to_add = vector.add(cur_pos, one_down)
elseif cur_door_pos and vector.equals(cur_pos, cur_door_pos) then
mcl_log("Current door pos")
cur_pos_to_add = vector.add(cur_pos, one_down)
action = {}
action["type"] = "door"
action["action"] = "open"
action["target"] = cur_door_pos
else
cur_pos_to_add = cur_pos
--mcl_log ("Pos doesn't match")
end
wp_out[i] = {}
wp_out[i]["pos"] = cur_pos_to_add
wp_out[i]["failed_attempts"] = 0
wp_out[i]["action"] = action
--wp_out[i] = {"pos" = cur_pos, "failed_attempts" = 0, "action" = action}
--output_pos(cur_pos, i)
end
output_enriched(wp_out)
return wp_out
end
local plane_adjacents = {
vector.new(1,0,0),
vector.new(-1,0,0),
vector.new(0,0,1),
vector.new(0,0,-1),
}
-- This function is used to see if we can path. We could use to check a route, rather than making people move.
local function calculate_path_through_door (p, t, target)
-- target is the same as t, just 1 square difference. Maybe we don't need target
mcl_log("Plot route from mob: " .. minetest.pos_to_string(p) .. ", to target: " .. minetest.pos_to_string(t))
local enriched_path = nil
local cur_door_pos = nil
local pos_closest_to_door = nil
local other_side_of_door = nil
--Path to door first
local wp = minetest.find_path(p,t,150,1,4)
if not wp then
mcl_log("No direct path. Path through door")
-- This could improve. There could be multiple doors. Check you can path from door to target first.
local cur_door_pos = minetest.find_node_near(target,16,{"group:door"})
if cur_door_pos then
mcl_log("Found a door near: " .. minetest.pos_to_string(cur_door_pos))
for _,v in pairs(plane_adjacents) do
pos_closest_to_door = vector.add(cur_door_pos,v)
local n = minetest.get_node(pos_closest_to_door)
if n.name == "air" then
wp = minetest.find_path(p,pos_closest_to_door,150,1,4)
if wp then
mcl_log("Found a path to next to door".. minetest.pos_to_string(pos_closest_to_door))
other_side_of_door = vector.add(cur_door_pos,-v)
mcl_log("Opposite is: ".. minetest.pos_to_string(other_side_of_door))
local wp_otherside_door_to_target = minetest.find_path(other_side_of_door,t,150,1,4)
if wp_otherside_door_to_target and #wp_otherside_door_to_target > 0 then
table.insert(wp, cur_door_pos)
append_paths (wp, wp_otherside_door_to_target)
enriched_path = generate_enriched_path(wp, pos_closest_to_door, other_side_of_door, cur_door_pos)
mcl_log("We have a path from outside door to target")
else
mcl_log("We cannot path from outside door to target")
end
break
else
mcl_log("This block next to door doesn't work.")
end
else
mcl_log("Block is not air, it is: ".. n.name)
end
end
else
mcl_log("No door found")
end
else
mcl_log("We have a direct route")
end
if wp and not enriched_path then
enriched_path = generate_enriched_path(wp)
end
return enriched_path
end
local gopath_last = os.time()
function mcl_mobs:gopath(self,target,callback_arrived)
if self.state == PATHFINDING then mcl_log("Already pathfinding, don't set another until done.") return end
if self._pf_last_failed and (os.time() - self._pf_last_failed) < 30 then
mcl_log("We are not ready to path as last fail is less than threshold: " .. (os.time() - self._pf_last_failed))
return
else
mcl_log("We are ready to pathfind, no previous fail or we are past threshold")
end
--if os.time() - gopath_last < 5 then
-- mcl_log("Not ready to path yet")
-- return
--end
--gopath_last = os.time()
self.order = nil
local p = self.object:get_pos()
local t = vector.offset(target,0,1,0)
local wp = calculate_path_through_door(p, t, target)
if not wp then
mcl_log("Could not calculate path")
self._pf_last_failed = os.time()
-- Cover for a flaw in pathfind where it chooses the wrong door and gets stuck. Take a break, allow others.
end
--output_table(wp)
if wp and #wp > 0 then
self._target = t
self.callback_arrived = callback_arrived
local current_location = table.remove(wp,1)
if current_location and current_location["pos"] then
mcl_log("Removing first co-ord? " .. tostring(current_location["pos"]))
else
mcl_log("Nil pos")
end
self.current_target = current_location
self.waypoints = wp
self.state = PATHFINDING
return true
else
self.state = "walk"
self.waypoints = nil
self.current_target = nil
-- minetest.log("no path found")
end
end
local function player_near(pos)
for _,o in pairs(minetest.get_objects_inside_radius(pos,2)) do
if o:is_player() then return true end
end
end
local function get_armor_texture(armor_name)
if armor_name == "" then
return ""
end
if armor_name=="blank.png" then
return "blank.png"
end
local seperator = string.find(armor_name, ":")
return "mcl_armor_"..string.sub(armor_name, seperator+1, -1)..".png^"
end
local function set_armor_texture(self)
if self.armor_list then
local chestplate=minetest.registered_items[self.armor_list.chestplate] or {name=""}
local boots=minetest.registered_items[self.armor_list.boots] or {name=""}
local leggings=minetest.registered_items[self.armor_list.leggings] or {name=""}
local helmet=minetest.registered_items[self.armor_list.helmet] or {name=""}
if helmet.name=="" and chestplate.name=="" and leggings.name=="" and boots.name=="" then
helmet={name="blank.png"}
end
local texture = get_armor_texture(chestplate.name)..get_armor_texture(helmet.name)..get_armor_texture(boots.name)..get_armor_texture(leggings.name)
if string.sub(texture, -1,-1) == "^" then
texture=string.sub(texture,1,-2)
end
if self.textures[self.wears_armor] then
self.textures[self.wears_armor]=texture
end
self.object:set_properties({textures=self.textures})
local armor_
if type(self.armor) == "table" then
armor_ = table.copy(self.armor)
armor_.immortal = 1
else
armor_ = {immortal=1, fleshy = self.armor}
end
for _,item in pairs(self.armor_list) do
if not item then return end
if type(minetest.get_item_group(item, "mcl_armor_points")) == "number" then
armor_.fleshy=armor_.fleshy-(minetest.get_item_group(item, "mcl_armor_points")*3.5)
end
end
self.object:set_armor_groups(armor_)
end
end
local function check_item_pickup(self)
if self.pick_up and #self.pick_up > 0 or self.wears_armor then
local p = self.object:get_pos()
for _,o in pairs(minetest.get_objects_inside_radius(p,2)) do
local l=o:get_luaentity()
if l and l.name == "__builtin:item" then
if not player_near(p) and l.itemstring:find("mcl_armor") and self.wears_armor then
local armor_type
if l.itemstring:find("chestplate") then
armor_type = "chestplate"
elseif l.itemstring:find("boots") then
armor_type = "boots"
elseif l.itemstring:find("leggings") then
armor_type = "leggings"
elseif l.itemstring:find("helmet") then
armor_type = "helmet"
end
if not armor_type then
return
end
if not self.armor_list then
self.armor_list={helmet="",chestplate="",boots="",leggings=""}
elseif self.armor_list[armor_type] and self.armor_list[armor_type] ~= "" then
return
end
self.armor_list[armor_type]=ItemStack(l.itemstring):get_name()
o:remove()
end
if self.pick_up then
for k,v in pairs(self.pick_up) do
if not player_near(p) and self.on_pick_up and l.itemstring:find(v) then
local r = self.on_pick_up(self,l)
if r and r.is_empty and not r:is_empty() then
l.itemstring = r:to_string()
elseif r and r.is_empty and r:is_empty() then
o:remove()
end
end
end
end
end
end
end
end
local check_herd_timer = 0
local function check_herd(self,dtime)
local pos = self.object:get_pos()
if not pos then return end
check_herd_timer = check_herd_timer + dtime
if check_herd_timer < 4 then return end
check_herd_timer = 0
for _,o in pairs(minetest.get_objects_inside_radius(pos,self.view_range)) do
local l = o:get_luaentity()
local p,y
if l and l.is_mob and l.name == self.name then
if self.horny and l.horny then
p = l.object:get_pos()
else
y = o:get_yaw()
end
if p then
go_to_pos(self,p)
elseif y then
self:set_yaw(y)
end
end
end
end
local teleport = function(self, target)
if self.do_teleport then
if self.do_teleport(self, target) == false then
return
end
end
end
-- deal damage and effects when mob punched
local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
-- custom punch function
if self.do_punch then
-- when false skip going any further
if self.do_punch(self, hitter, tflp, tool_capabilities, dir) == false then
return
end
end
-- error checking when mod profiling is enabled
if not tool_capabilities then
minetest.log("warning", "[mobs] Mod profiling enabled, damage not enabled")
return
end
local is_player = hitter:is_player()
if is_player then
-- is mob protected?
if self.protected and minetest.is_protected(self.object:get_pos(), hitter:get_player_name()) then
return
end
if minetest.is_creative_enabled(hitter:get_player_name()) then
self.health = 0
end
-- set/update 'drop xp' timestamp if hitted by player
self.xp_timestamp = minetest.get_us_time()
end
-- punch interval
local weapon = hitter:get_wielded_item()
local punch_interval = 1.4
-- exhaust attacker
if is_player then
mcl_hunger.exhaust(hitter:get_player_name(), mcl_hunger.EXHAUST_ATTACK)
end
-- calculate mob damage
local damage = 0
local armor = self.object:get_armor_groups() or {}
local tmp
-- quick error check incase it ends up 0 (serialize.h check test)
if tflp == 0 then
tflp = 0.2
end
for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do
tmp = tflp / (tool_capabilities.full_punch_interval or 1.4)
if tmp < 0 then
tmp = 0.0
elseif tmp > 1 then
tmp = 1.0
end
damage = damage + (tool_capabilities.damage_groups[group] or 0)
* tmp * ((armor[group] or 0) / 100.0)
end
if weapon then
local fire_aspect_level = mcl_enchanting.get_enchantment(weapon, "fire_aspect")
if fire_aspect_level > 0 then
mcl_burning.set_on_fire(self.object, fire_aspect_level * 4)
end
end
-- check for tool immunity or special damage
for n = 1, #self.immune_to do
if self.immune_to[n][1] == weapon:get_name() then
damage = self.immune_to[n][2] or 0
break
end
end
-- healing
if damage <= -1 then
self.health = self.health - floor(damage)
return
end
if tool_capabilities then
punch_interval = tool_capabilities.full_punch_interval or 1.4
end
-- add weapon wear manually
-- Required because we have custom health handling ("health" property)
if minetest.is_creative_enabled("") ~= true
and tool_capabilities then
if tool_capabilities.punch_attack_uses then
-- Without this delay, the wear does not work. Quite hacky ...
minetest.after(0, function(name)
local player = minetest.get_player_by_name(name)
if not player then return end
local weapon = hitter:get_wielded_item(player)
local def = weapon:get_definition()
if def.tool_capabilities and def.tool_capabilities.punch_attack_uses then
local wear = floor(65535/tool_capabilities.punch_attack_uses)
weapon:add_wear(wear)
hitter:set_wielded_item(weapon)
end
end, hitter:get_player_name())
end
end
local die = false
if damage >= 0 then
-- only play hit sound and show blood effects if damage is 1 or over; lower to 0.1 to ensure armor works appropriately.
if damage >= 0.1 then
-- weapon sounds
if weapon:get_definition().sounds ~= nil then
local s = random(0, #weapon:get_definition().sounds)
minetest.sound_play(weapon:get_definition().sounds[s], {
object = self.object, --hitter,
max_hear_distance = 8
}, true)
else
minetest.sound_play("default_punch", {
object = self.object,
max_hear_distance = 5
}, true)
end
self:damage_effect(damage)
-- do damage
self.health = self.health - damage
-- skip future functions if dead, except alerting others
if self:check_for_death( "hit", {type = "punch", puncher = hitter}) then
die = true
end
end
-- knock back effect (only on full punch)
if self.knock_back
and tflp >= punch_interval then
-- direction error check
dir = dir or {x = 0, y = 0, z = 0}
local v = self.object:get_velocity()
if not v then return end
local r = 1.4 - min(punch_interval, 1.4)
local kb = r * (abs(v.x)+abs(v.z))
local up = 2
if die==true then
kb=kb*2
end
-- if already in air then dont go up anymore when hit
if abs(v.y) > 0.1
or self.fly then
up = 0
end
-- check if tool already has specific knockback value
if tool_capabilities.damage_groups["knockback"] then
kb = tool_capabilities.damage_groups["knockback"]
else
kb = kb * 1.5
end
local luaentity
if hitter then
luaentity = hitter:get_luaentity()
end
if hitter and is_player then
local wielditem = hitter:get_wielded_item()
kb = kb + 3 * mcl_enchanting.get_enchantment(wielditem, "knockback")
elseif luaentity and luaentity._knockback then
kb = kb + luaentity._knockback
end
self._kb_turn = true
self._turn_to=self.object:get_yaw()-1.57
self.frame_speed_multiplier=2.3
if self.animation.run_end then
self:set_animation( "run")
elseif self.animation.walk_end then
self:set_animation( "walk")
end
minetest.after(0.2, function()
if self and self.object then
self.frame_speed_multiplier=1
self._kb_turn = false
end
end)
self.object:add_velocity({
x = dir.x * kb,
y = up*2,
z = dir.z * kb
})
self.pause_timer = 0.25
end
end -- END if damage
-- if skittish then run away
if hitter and is_player and hitter:get_pos() and not die and self.runaway == true and self.state ~= "flop" then
local yaw = self:set_yaw( minetest.dir_to_yaw(vector.direction(hitter:get_pos(), self.object:get_pos())))
minetest.after(0.2,function()
if self and self.object and self.object:get_pos() and hitter and is_player and hitter:get_pos() then
yaw = self:set_yaw( minetest.dir_to_yaw(vector.direction(hitter:get_pos(), self.object:get_pos())))
self:set_velocity( self.run_velocity)
end
end)
self.state = "runaway"
self.runaway_timer = 0
self.following = nil
end
local name = hitter:get_player_name() or ""
-- attack puncher and call other mobs for help
if self.passive == false
and self.state ~= "flop"
and (self.child == false or self.type == "monster")
and hitter:get_player_name() ~= self.owner
and not mcl_mobs.invis[ name ] then
if not die then
-- attack whoever punched mob
self.state = ""
do_attack(self, hitter)
self._aggro= true
end
-- alert others to the attack
local objs = minetest.get_objects_inside_radius(hitter:get_pos(), self.view_range)
local obj = nil
for n = 1, #objs do
obj = objs[n]:get_luaentity()
if obj then
-- only alert members of same mob or friends
if obj.group_attack
and obj.state ~= "attack"
and obj.owner ~= name then
if obj.name == self.name then
do_attack(obj, hitter)
elseif type(obj.group_attack) == "table" then
for i=1, #obj.group_attack do
if obj.name == obj.group_attack[i] then
obj._aggro = true
do_attack(obj, hitter)
break
end
end
end
end
-- have owned mobs attack player threat
if obj.owner == name and obj.owner_loyal then
do_attack(obj, self.object)
end
end
end
end
end
local mob_detach_child = function(self, child)
if self.detach_child then
if self.detach_child(self, child) then
return
end
end
if self.driver == child then
self.driver = nil
end
end
-- get entity staticdata
local mob_staticdata = function(self)
for _,p in pairs(minetest.get_connected_players()) do
self:remove_particlespawners(p:get_player_name())
end
-- remove mob when out of range unless tamed
if remove_far
and self.can_despawn
and self.remove_ok
and ((not self.nametag) or (self.nametag == ""))
and self.lifetimer <= 20 then
if spawn_logging then
minetest.log("action", "[mcl_mobs] Mob "..tostring(self.name).." despawns at "..minetest.pos_to_string(vector.round(self.object:get_pos())) .. " - out of range")
end
return "remove"-- nil
end
self.remove_ok = true
self.attack = nil
self.following = nil
self.state = "stand"
local tmp = {}
for _,stat in pairs(self) do
local t = type(stat)
if t ~= "function"
and t ~= "nil"
and t ~= "userdata"
and _ ~= "_cmi_components" then
tmp[_] = self[_]
end
end
return minetest.serialize(tmp)
end
-- activate mob and reload settings
local mob_activate = function(self, staticdata, def, dtime)
if not self.object:get_pos() or staticdata == "remove" then
mcl_burning.extinguish(self.object)
self.object:remove()
return
end
-- remove monsters in peaceful mode
if self.type == "monster"
and minetest.settings:get_bool("only_peaceful_mobs", false) then
mcl_burning.extinguish(self.object)
self.object:remove()
return
end
-- load entity variables
local tmp = minetest.deserialize(staticdata)
if tmp then
for _,stat in pairs(tmp) do
self[_] = stat
end
end
-- select random texture, set model and size
if not self.base_texture then
-- compatiblity with old simple mobs textures
if type(def.textures[1]) == "string" then
def.textures = {def.textures}
end
local c = 1
if #def.textures > c then c = #def.textures end
self.base_texture = def.textures[random(c)]
self.base_mesh = def.mesh
self.base_size = self.visual_size
self.base_colbox = self.collisionbox
self.base_selbox = self.selectionbox
end
-- for current mobs that dont have this set
if not self.base_selbox then
self.base_selbox = self.selectionbox or self.base_colbox
end
-- set texture, model and size
local textures = self.base_texture
local mesh = self.base_mesh
local vis_size = self.base_size
local colbox = self.base_colbox
local selbox = self.base_selbox
-- specific texture if gotten
if self.gotten == true
and def.gotten_texture then
textures = def.gotten_texture
end
-- specific mesh if gotten
if self.gotten == true
and def.gotten_mesh then
mesh = def.gotten_mesh
end
-- set child objects to half size
if self.child == true then
vis_size = {
x = self.base_size.x * .5,
y = self.base_size.y * .5,
}
if def.child_texture then
textures = def.child_texture[1]
end
colbox = {
self.base_colbox[1] * .5,
self.base_colbox[2] * .5,
self.base_colbox[3] * .5,
self.base_colbox[4] * .5,
self.base_colbox[5] * .5,
self.base_colbox[6] * .5
}
selbox = {
self.base_selbox[1] * .5,
self.base_selbox[2] * .5,
self.base_selbox[3] * .5,
self.base_selbox[4] * .5,
self.base_selbox[5] * .5,
self.base_selbox[6] * .5
}
end
if self.health == 0 then
self.health = random (self.hp_min, self.hp_max)
end
if self.breath == nil then
self.breath = self.breath_max
end
-- pathfinding init
self.path = {}
self.path.way = {} -- path to follow, table of positions
self.path.lastpos = {x = 0, y = 0, z = 0}
self.path.stuck = false
self.path.following = false -- currently following path?
self.path.stuck_timer = 0 -- if stuck for too long search for path
-- Armor groups
-- immortal=1 because we use custom health
-- handling (using "health" property)
local armor
if type(self.armor) == "table" then
armor = table.copy(self.armor)
armor.immortal = 1
else
armor = {immortal=1, fleshy = self.armor}
end
self.object:set_armor_groups(armor)
self.old_y = self.object:get_pos().y
self.old_health = self.health
self.sounds.distance = self.sounds.distance or 10
self.textures = textures
self.mesh = mesh
self.collisionbox = colbox
self.selectionbox = selbox
self.visual_size = vis_size
self.standing_in = "ignore"
self.standing_on = "ignore"
self.jump_sound_cooloff = 0 -- used to prevent jump sound from being played too often in short time
self.opinion_sound_cooloff = 0 -- used to prevent sound spam of particular sound types
self.texture_mods = {}
self.object:set_texture_mod("")
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
-- check existing nametag
if not self.nametag then
self.nametag = def.nametag
end
if not self.custom_visual_size then
-- Remove saved visual_size on old existing entites.
self.visual_size = nil
self.base_size = self.visual_size
if self.child then
self.visual_size = {
x = self.visual_size.x * 0.5,
y = self.visual_size.y * 0.5,
}
end
end
-- set anything changed above
self.object:set_properties(self)
self:set_yaw( (random(0, 360) - 180) / 180 * pi, 6)
self:update_tag()
self._current_animation = nil
self:set_animation( "stand")
-- run on_spawn function if found
if self.on_spawn and not self.on_spawn_run then
if self.on_spawn(self) then
self.on_spawn_run = true -- if true, set flag to run once only
end
end
if not self.wears_armor and self.armor_list then
self.armor_list = nil
end
if not self._run_armor_init and self.wears_armor then
self.armor_list={helmet="",chestplate="",boots="",leggings=""}
set_armor_texture(self)
self._run_armor_init = true
end
-- run after_activate
if def.after_activate then
def.after_activate(self, staticdata, def, dtime)
end
end
local function check_aggro(self,dtime)
if not self._aggro or not self.attack then return end
if not self._check_aggro_timer or self._check_aggro_timer > 5 then
self._check_aggro_timer = 0
if not self.attack:get_pos() or vector.distance(self.attack:get_pos(),self.object:get_pos()) > 128 then
self._aggro = nil
self.attack = nil
self.state = "stand"
end
end
self._check_aggro_timer = self._check_aggro_timer + dtime
end
-- main mob function
local mob_step = function(self, dtime)
self.lifetimer = self.lifetimer - dtime
local pos = self.object:get_pos()
-- Despawning: when lifetimer expires, remove mob
if remove_far
and self.can_despawn == true
and ((not self.nametag) or (self.nametag == ""))
and self.state ~= "attack"
and self.following == nil then
if self.despawn_immediately or self.lifetimer <= 0 then
if spawn_logging then
minetest.log("action", "[mcl_mobs] Mob "..self.name.." despawns at "..minetest.pos_to_string(pos, 1) .. " lifetimer ran out")
end
mcl_burning.extinguish(self.object)
self.object:remove()
return
elseif self.lifetimer <= 10 then
if random(10) < 4 then
self.despawn_immediately = true
else
self.lifetimer = 20
end
end
end
local v = self.object:get_velocity()
local d = 0.85
if (self.state and self.state=="die" or self:check_for_death()) and not self.animation.die_end then
d = 0.92
local rot = self.object:get_rotation()
rot.z = ((pi/2-rot.z)*.2)+rot.z
self.object:set_rotation(rot)
end
if not self:player_in_active_range() then
self:set_animation( "stand", true)
local node_under = node_ok(vector.offset(pos,0,-1,0)).name
local acc = self.object:get_acceleration()
if acc.y > 0 or node_under ~= "air" then
self.object:set_acceleration(vector.new(0,0,0))
self.object:set_velocity(vector.new(0,0,0))
end
if acc.y == 0 and node_under == "air" then
self:falling(pos)
end
return
end
if v then
--diffuse object velocity
self.object:set_velocity({x = v.x*d, y = v.y, z = v.z*d})
end
check_item_pickup(self)
check_aggro(self,dtime)
self:check_particlespawners(dtime)
if not self.fire_resistant then
mcl_burning.tick(self.object, dtime, self)
-- mcl_burning.tick may remove object immediately
if not self.object:get_pos() then return end
end
local yaw = 0
if mobs_debug then
self:update_tag()
end
if self.state == "die" then
return
end
if self.jump_sound_cooloff > 0 then
self.jump_sound_cooloff = self.jump_sound_cooloff - dtime
end
if self.opinion_sound_cooloff > 0 then
self.opinion_sound_cooloff = self.opinion_sound_cooloff - dtime
end
if self:falling(pos) then
-- Return if mob died after falling
return
end
--Mob following code.
follow_flop(self)
--set animation speed relitive to velocity
local v = self.object:get_velocity()
if v then
if self.frame_speed_multiplier then
local v2 = abs(v.x)+abs(v.z)*.833
if not self.animation.walk_speed then
self.animation.walk_speed = 25
end
if abs(v.x)+abs(v.z) > 0.5 then
self.object:set_animation_frame_speed((v2/math.max(1,self.run_velocity))*self.animation.walk_speed*self.frame_speed_multiplier)
else
self.object:set_animation_frame_speed(25)
end
end
--set_speed
if self.acc then
self.object:add_velocity(self.acc)
end
end
-- smooth rotation by ThomasMonroe314
if self._turn_to then
self:set_yaw( self._turn_to, .1)
end
if self.delay and self.delay > 0 then
local yaw = self.object:get_yaw() or 0
if self.delay == 1 then
yaw = self.target_yaw
else
local dif = abs(yaw - self.target_yaw)
if yaw > self.target_yaw then
if dif > pi then
dif = 2 * pi - dif -- need to add
yaw = yaw + dif / self.delay
else
yaw = yaw - dif / self.delay -- need to subtract
end
elseif yaw < self.target_yaw then
if dif > pi then
dif = 2 * pi - dif
yaw = yaw - dif / self.delay -- need to subtract
else
yaw = yaw + dif / self.delay -- need to add
end
end
if yaw > (pi * 2) then yaw = yaw - (pi * 2) end
if yaw < 0 then yaw = yaw + (pi * 2) end
end
self.delay = self.delay - 1
if self.shaking then
yaw = yaw + (random() * 2 - 1) * 5 * dtime
end
self.object:set_yaw(yaw)
self:update_roll()
end
-- end rotation
if self.head_swivel and type(self.head_swivel) == "string" then
local final_rotation = vector.new(0,0,0)
local oldp,oldr = self.object:get_bone_position(self.head_swivel)
for _, obj in pairs(minetest.get_objects_inside_radius(pos, 10)) do
if obj:is_player() and not self.attack or obj:get_luaentity() and obj:get_luaentity().name == self.name and self ~= obj:get_luaentity() then
if not self._locked_object then
if math.random(5000/self.curiosity) == 1 or vector.distance(pos,obj:get_pos())<4 and obj:is_player() then
self._locked_object = obj
end
else
if math.random(10000/self.curiosity) == 1 then
self._locked_object = nil
end
end
end
end
if self.attack or self.following then
self._locked_object = self.attack or self.following
end
if self._locked_object and (self._locked_object:is_player() or self._locked_object:get_luaentity()) and self._locked_object:get_hp() > 0 then
local _locked_object_eye_height = 1.5
if self._locked_object:get_luaentity() then
_locked_object_eye_height = self._locked_object:get_luaentity().head_eye_height
end
if self._locked_object:is_player() then
_locked_object_eye_height = self._locked_object:get_properties().eye_height
end
if _locked_object_eye_height then
local self_rot = self.object:get_rotation()
if self.object:get_attach() then
self_rot = self.object:get_attach():get_rotation()
end
if self.rot then
local player_pos = self._locked_object:get_pos()
local direction_player = vector.direction(vector.add(self.object:get_pos(), vector.new(0, self.head_eye_height*.7, 0)), vector.add(player_pos, vector.new(0, _locked_object_eye_height, 0)))
local mob_yaw = math.deg(-(-(self_rot.y)-(-minetest.dir_to_yaw(direction_player))))+self.head_yaw_offset
local mob_pitch = math.deg(-dir_to_pitch(direction_player))*self.head_pitch_multiplier
if (mob_yaw < -60 or mob_yaw > 60) and not (self.attack and self.state == "attack" and not self.runaway) then
final_rotation = vector.multiply(oldr, 0.9)
elseif self.attack and self.state == "attack" and not self.runaway then
if self.head_yaw == "y" then
final_rotation = vector.new(mob_pitch, mob_yaw, 0)
elseif self.head_yaw == "z" then
final_rotation = vector.new(mob_pitch, 0, -mob_yaw)
end
else
if self.head_yaw == "y" then
final_rotation = vector.new(((mob_pitch-oldr.x)*.3)+oldr.x, ((mob_yaw-oldr.y)*.3)+oldr.y, 0)
elseif self.head_yaw == "z" then
final_rotation = vector.new(((mob_pitch-oldr.x)*.3)+oldr.x, 0, -(((mob_yaw-oldr.y)*.3)+oldr.y)*3)
end
end
end
end
elseif not self._locked_object and math.abs(oldr.y) > 3 and math.abs(oldr.x) < 3 then
final_rotation = vector.multiply(oldr, 0.9)
else
final_rotation = vector.new(0,0,0)
end
mcl_util.set_bone_position(self.object,self.head_swivel, vector.new(0,self.bone_eye_height,self.horrizonatal_head_height), final_rotation)
end
-- run custom function (defined in mob lua file)
if self.do_custom then
-- when false skip going any further
if self.do_custom(self, dtime) == false then
return
end
end
-- knockback timer
if self.pause_timer > 0 then
self.pause_timer = self.pause_timer - dtime
return
end
-- attack timer
self.timer = self.timer + dtime
if self.state ~= "attack" and self.state ~= PATHFINDING then
if self.timer < 1 then
return
end
self.timer = 0
end
-- never go over 100
if self.timer > 100 then
self.timer = 1
end
-- mob plays random sound at times
if random(1, 70) == 1 then
self:mob_sound("random", true)
end
-- environmental damage timer (every 1 second)
self.env_damage_timer = self.env_damage_timer + dtime
if (self.state == "attack" and self.env_damage_timer > 1)
or self.state ~= "attack" then
self:check_entity_cramming()
self.env_damage_timer = 0
-- check for environmental damage (water, fire, lava etc.)
if self:do_env_damage() then
return
end
-- node replace check (cow eats grass etc.)
replace(self, pos)
end
monster_attack(self)
npc_attack(self)
breed(self)
if do_states(self, dtime) then
return
end
if not self.object:get_luaentity() then
return false
end
do_jump(self)
set_armor_texture(self)
runaway_from(self)
if is_at_water_danger(self) and self.state ~= "attack" then
if random(1, 10) <= 6 then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
yaw = yaw + random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8)
end
else
if self.move_in_group ~= false then
check_herd(self,dtime)
end
end
-- Add water flowing for mobs from mcl_item_entity
local p, node, nn, def
p = self.object:get_pos()
node = minetest.get_node_or_nil(p)
if node then
nn = node.name
def = minetest.registered_nodes[nn]
end
-- Move item around on flowing liquids
if def and def.liquidtype == "flowing" then
--[[ Get flowing direction (function call from flowlib), if there's a liquid.
NOTE: According to Qwertymine, flowlib.quickflow is only reliable for liquids with a flowing distance of 7.
Luckily, this is exactly what we need if we only care about water, which has this flowing distance. ]]
local vec = flowlib.quick_flow(p, node)
-- Just to make sure we don't manipulate the speed for no reason
if vec.x ~= 0 or vec.y ~= 0 or vec.z ~= 0 then
-- Minecraft Wiki: Flowing speed is "about 1.39 meters per second"
local f = 1.39
-- Set new item moving speed into the direciton of the liquid
local newv = vector.multiply(vec, f)
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.object:set_velocity({x = newv.x, y = -0.22, z = newv.z})
self.physical_state = true
self._flowing = true
self.object:set_properties({
physical = true
})
return
end
elseif self._flowing == true then
-- Disable flowing physics if not on/in flowing liquid
self._flowing = false
return
end
if is_at_cliff_or_danger(self) then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
end
end
-- default function when mobs are blown up with TNT
local do_tnt = function(obj, damage)
obj.object:punch(obj.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = damage},
}, nil)
return false, true, {}
end
mcl_mobs.spawning_mobs = {}
-- Code to execute before custom on_rightclick handling
local on_rightclick_prefix = function(self, clicker)
local item = clicker:get_wielded_item()
-- Name mob with nametag
if not self.ignores_nametag and item:get_name() == "mcl_mobs:nametag" then
local tag = item:get_meta():get_string("name")
if tag ~= "" then
if string.len(tag) > MAX_MOB_NAME_LENGTH then
tag = string.sub(tag, 1, MAX_MOB_NAME_LENGTH)
end
self.nametag = tag
self:update_tag()
if not minetest.is_creative_enabled(clicker:get_player_name()) then
item:take_item()
clicker:set_wielded_item(item)
end
return true
end
end
return false
end
local create_mob_on_rightclick = function(on_rightclick)
return function(self, clicker)
local stop = on_rightclick_prefix(self, clicker)
if (not stop) and (on_rightclick) then
on_rightclick(self, clicker)
end
end
end
-- register mob entity
function mcl_mobs:register_mob(name, def)
mcl_mobs.spawning_mobs[name] = true
local can_despawn
if def.can_despawn ~= nil then
can_despawn = def.can_despawn
elseif def.spawn_class == "passive" then
can_despawn = false
else
can_despawn = true
end
local function scale_difficulty(value, default, min, special)
if (not value) or (value == default) or (value == special) then
return default
else
return max(min, value * difficulty)
end
end
local collisionbox = def.collisionbox or {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25}
-- Workaround for <https://github.com/minetest/minetest/issues/5966>:
-- Increase upper Y limit to avoid mobs glitching through solid nodes.
-- FIXME: Remove workaround if it's no longer needed.
if collisionbox[5] < 0.79 then
collisionbox[5] = 0.79
end
minetest.register_entity(name, setmetatable({
use_texture_alpha = def.use_texture_alpha,
head_swivel = def.head_swivel or nil, -- bool to activate this function
head_yaw_offset = def.head_yaw_offset or 0, -- for wonkey model bones
head_pitch_multiplier = def.head_pitch_multiplier or 1, --for inverted pitch
bone_eye_height = def.bone_eye_height or 1.4, -- head bone offset
head_eye_height = def.head_eye_height or def.bone_eye_height or 0, -- how hight aproximatly the mobs head is fromm the ground to tell the mob how high to look up at the player
curiosity = def.curiosity or 1, -- how often mob will look at player on idle
head_yaw = def.head_yaw or "y", -- axis to rotate head on
horrizonatal_head_height = def.horrizonatal_head_height or 0,
wears_armor = def.wears_armor, -- a number value used to index texture slot for armor
stepheight = def.stepheight or 0.6,
name = name,
description = def.description,
type = def.type,
attack_type = def.attack_type,
fly = def.fly,
fly_in = def.fly_in or {"air", "__airlike"},
owner = def.owner or "",
order = def.order or "",
on_die = def.on_die,
spawn_small_alternative = def.spawn_small_alternative,
do_custom = def.do_custom,
detach_child = def.detach_child,
jump_height = def.jump_height or 4, -- was 6
rotate = math.rad(def.rotate or 0), -- 0=front, 90=side, 180=back, 270=side2
lifetimer = def.lifetimer or 57.73,
hp_min = scale_difficulty(def.hp_min, 5, 1),
hp_max = scale_difficulty(def.hp_max, 10, 1),
xp_min = def.xp_min or 0,
xp_max = def.xp_max or 0,
xp_timestamp = 0,
breath_max = def.breath_max or 15,
breathes_in_water = def.breathes_in_water or false,
physical = true,
collisionbox = collisionbox,
selectionbox = def.selectionbox or def.collisionbox,
visual = def.visual,
visual_size = def.visual_size or {x = 1, y = 1},
mesh = def.mesh,
makes_footstep_sound = def.makes_footstep_sound or false,
view_range = def.view_range or 16,
walk_velocity = def.walk_velocity or 1,
run_velocity = def.run_velocity or 2,
damage = scale_difficulty(def.damage, 0, 0),
light_damage = def.light_damage or 0,
sunlight_damage = def.sunlight_damage or 0,
water_damage = def.water_damage or 0,
lava_damage = def.lava_damage or 8,
fire_damage = def.fire_damage or 1,
suffocation = def.suffocation or true,
fall_damage = def.fall_damage or 1,
fall_speed = def.fall_speed or DEFAULT_FALL_SPEED, -- must be lower than -2
drops = def.drops or {},
armor = def.armor or 100,
on_rightclick = create_mob_on_rightclick(def.on_rightclick),
arrow = def.arrow,
shoot_interval = def.shoot_interval,
sounds = def.sounds or {},
animation = def.animation or {},
follow = def.follow,
nofollow = def.nofollow,
can_open_doors = def.can_open_doors,
jump = def.jump ~= false,
automatic_face_movement_max_rotation_per_sec = 300,
walk_chance = def.walk_chance or 50,
attacks_monsters = def.attacks_monsters or false,
group_attack = def.group_attack or false,
passive = def.passive or false,
knock_back = def.knock_back ~= false,
shoot_offset = def.shoot_offset or 0,
floats = def.floats or 1, -- floats in water by default
floats_on_lava = def.floats_on_lava or 0,
replace_rate = def.replace_rate,
replace_what = def.replace_what,
replace_with = def.replace_with,
replace_offset = def.replace_offset or 0,
on_replace = def.on_replace,
timer = 0,
env_damage_timer = 0,
tamed = false,
pause_timer = 0,
horny = false,
hornytimer = 0,
gotten = false,
health = 0,
frame_speed_multiplier = 1,
reach = def.reach or 3,
htimer = 0,
texture_list = def.textures,
child_texture = def.child_texture,
docile_by_day = def.docile_by_day or false,
time_of_day = 0.5,
fear_height = def.fear_height or 0,
runaway = def.runaway,
runaway_timer = 0,
pathfinding = def.pathfinding,
immune_to = def.immune_to or {},
explosion_radius = def.explosion_radius, -- LEGACY
explosion_damage_radius = def.explosion_damage_radius, -- LEGACY
explosiontimer_reset_radius = def.explosiontimer_reset_radius,
explosion_timer = def.explosion_timer or 3,
allow_fuse_reset = def.allow_fuse_reset ~= false,
stop_to_explode = def.stop_to_explode ~= false,
custom_attack = def.custom_attack,
double_melee_attack = def.double_melee_attack,
dogshoot_switch = def.dogshoot_switch,
dogshoot_count = 0,
dogshoot_count_max = def.dogshoot_count_max or 5,
dogshoot_count2_max = def.dogshoot_count2_max or (def.dogshoot_count_max or 5),
attack_animals = def.attack_animals or false,
attack_npcs = def.attack_npcs or false,
specific_attack = def.specific_attack,
runaway_from = def.runaway_from,
owner_loyal = def.owner_loyal,
facing_fence = false,
is_mob = true,
pushable = def.pushable or true,
-- MCL2 extensions
shooter_avoid_enemy = def.shooter_avoid_enemy,
strafes = def.strafes,
avoid_distance = def.avoid_distance or 9,
teleport = teleport,
do_teleport = def.do_teleport,
spawn_class = def.spawn_class,
can_spawn = def.can_spawn,
ignores_nametag = def.ignores_nametag or false,
rain_damage = def.rain_damage or 0,
glow = def.glow,
can_despawn = can_despawn,
child = def.child or false,
texture_mods = {},
shoot_arrow = def.shoot_arrow,
sounds_child = def.sounds_child,
_child_animations = def.child_animations,
pick_up = def.pick_up,
explosion_strength = def.explosion_strength,
suffocation_timer = 0,
follow_velocity = def.follow_velocity or 2.4,
instant_death = def.instant_death or false,
fire_resistant = def.fire_resistant or false,
fire_damage_resistant = def.fire_damage_resistant or false,
ignited_by_sunlight = def.ignited_by_sunlight or false,
spawn_in_group = def.spawn_in_group,
spawn_in_group_min = def.spawn_in_group_min,
noyaw = def.noyaw or false,
particlespawners = def.particlespawners,
-- End of MCL2 extensions
on_spawn = def.on_spawn,
on_blast = def.on_blast or do_tnt,
on_step = mob_step,
do_punch = def.do_punch,
on_punch = mob_punch,
on_breed = def.on_breed,
on_grown = def.on_grown,
on_pick_up = def.on_pick_up,
on_detach_child = mob_detach_child,
on_activate = function(self, staticdata, dtime)
--this is a temporary hack so mobs stop
--glitching and acting really weird with the
--default built in engine collision detection
self.is_mob = true
self.object:set_properties({
collide_with_objects = false,
})
return mob_activate(self, staticdata, def, dtime)
end,
get_staticdata = function(self)
return mob_staticdata(self)
end,
harmed_by_heal = def.harmed_by_heal,
on_lightning_strike = def.on_lightning_strike
},mob_class_meta))
if minetest.get_modpath("doc_identifier") ~= nil then
doc.sub.identifier.register_object(name, "basics", "mobs")
end
end -- END mcl_mobs:register_mob function
-- register arrow for shoot attack
function mcl_mobs:register_arrow(name, def)
if not name or not def then return end -- errorcheck
minetest.register_entity(name, {
physical = false,
visual = def.visual,
visual_size = def.visual_size,
textures = def.textures,
velocity = def.velocity,
hit_player = def.hit_player,
hit_node = def.hit_node,
hit_mob = def.hit_mob,
hit_object = def.hit_object,
drop = def.drop or false, -- drops arrow as registered item when true
collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows
timer = 0,
switch = 0,
owner_id = def.owner_id,
rotate = def.rotate,
on_punch = function(self)
local vel = self.object:get_velocity()
self.object:set_velocity({x=vel.x * -1, y=vel.y * -1, z=vel.z * -1})
end,
collisionbox = def.collisionbox or {0, 0, 0, 0, 0, 0},
automatic_face_movement_dir = def.rotate
and (def.rotate - (pi / 180)) or false,
on_activate = def.on_activate,
on_step = def.on_step or function(self, dtime)
self.timer = self.timer + 1
local pos = self.object:get_pos()
if self.switch == 0
or self.timer > 150
or not within_limits(pos, 0) then
mcl_burning.extinguish(self.object)
self.object:remove();
return
end
-- does arrow have a tail (fireball)
if def.tail
and def.tail == 1
and def.tail_texture then
minetest.add_particle({
pos = pos,
velocity = {x = 0, y = 0, z = 0},
acceleration = {x = 0, y = 0, z = 0},
expirationtime = def.expire or 0.25,
collisiondetection = false,
texture = def.tail_texture,
size = def.tail_size or 5,
glow = def.glow or 0,
})
end
if self.hit_node then
local node = node_ok(pos).name
if minetest.registered_nodes[node].walkable then
self.hit_node(self, pos, node)
if self.drop == true then
pos.y = pos.y + 1
self.lastpos = (self.lastpos or pos)
minetest.add_item(self.lastpos, self.object:get_luaentity().name)
end
self.object:remove();
return
end
end
if self.hit_player or self.hit_mob or self.hit_object then
for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.5)) do
if self.hit_player
and player:is_player() then
self.hit_player(self, player)
self.object:remove();
return
end
local entity = player:get_luaentity()
if entity
and self.hit_mob
and entity.is_mob == true
and tostring(player) ~= self.owner_id
and entity.name ~= self.object:get_luaentity().name then
self.hit_mob(self, player)
self.object:remove();
return
end
if entity
and self.hit_object
and (not entity.is_mob)
and tostring(player) ~= self.owner_id
and entity.name ~= self.object:get_luaentity().name then
self.hit_object(self, player)
self.object:remove();
return
end
end
end
self.lastpos = pos
end
})
end
-- no damage to nodes explosion
function mcl_mobs:safe_boom(self, pos, strength)
minetest.sound_play(self.sounds and self.sounds.explode or "tnt_explode", {
pos = pos,
gain = 1.0,
max_hear_distance = self.sounds and self.sounds.distance or 32
}, true)
local radius = strength
entity_physics(pos, radius)
mcl_mobs.effect(pos, 32, "mcl_particles_smoke.png", radius * 3, radius * 5, radius, 1, 0)
end
-- make explosion with protection and tnt mod check
function mcl_mobs:boom(self, pos, strength, fire)
if mobs_griefing and not minetest.is_protected(pos, "") then
mcl_explosions.explode(pos, strength, { drop_chance = 1.0, fire = fire }, self.object)
else
mcl_mobs:safe_boom(self, pos, strength)
end
-- delete the object after it punched the player to avoid nil entities in e.g. mcl_shields!!
self.object:remove()
end
-- Register spawn eggs
-- Note: This also introduces the “spawn_egg” group:
-- * spawn_egg=1: Spawn egg (generic mob, no metadata)
-- * spawn_egg=2: Spawn egg (captured/tamed mob, metadata)
function mcl_mobs:register_egg(mob, desc, background_color, overlay_color, addegg, no_creative)
local grp = {spawn_egg = 1}
-- do NOT add this egg to creative inventory (e.g. dungeon master)
if no_creative == true then
grp.not_in_creative_inventory = 1
end
local invimg = "(spawn_egg.png^[multiply:" .. background_color ..")^(spawn_egg_overlay.png^[multiply:" .. overlay_color .. ")"
if old_spawn_icons then
local mobname = mob:gsub("mobs_mc:","")
local fn = "mobs_mc_spawn_icon_"..mobname..".png"
if mcl_util.file_exists(minetest.get_modpath("mobs_mc").."/textures/"..fn) then
invimg = fn
end
end
if addegg == 1 then
invimg = "mobs_chicken_egg.png^(" .. invimg ..
"^[mask:mobs_chicken_egg_overlay.png)"
end
-- register old stackable mob egg
minetest.register_craftitem(mob, {
description = desc,
inventory_image = invimg,
groups = grp,
_doc_items_longdesc = S("This allows you to place a single mob."),
_doc_items_usagehelp = S("Just place it where you want the mob to appear. Animals will spawn tamed, unless you hold down the sneak key while placing. If you place this on a mob spawner, you change the mob it spawns."),
on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above
-- am I clicking on something with existing on_rightclick function?
local under = minetest.get_node(pointed_thing.under)
local def = minetest.registered_nodes[under.name]
if def and def.on_rightclick then
return def.on_rightclick(pointed_thing.under, under, placer, itemstack)
end
if pos
and within_limits(pos, 0)
and not minetest.is_protected(pos, placer:get_player_name()) then
local name = placer:get_player_name()
local privs = minetest.get_player_privs(name)
if under.name == "mcl_mobspawners:spawner" then
if minetest.is_protected(pointed_thing.under, name) then
minetest.record_protection_violation(pointed_thing.under, name)
return itemstack
end
if not privs.maphack then
minetest.chat_send_player(name, S("You need the “maphack” privilege to change the mob spawner."))
return itemstack
end
mcl_mobspawners.setup_spawner(pointed_thing.under, itemstack:get_name())
if not minetest.is_creative_enabled(name) then
itemstack:take_item()
end
return itemstack
end
if not minetest.registered_entities[mob] then
return itemstack
end
if minetest.settings:get_bool("only_peaceful_mobs", false)
and minetest.registered_entities[mob].type == "monster" then
minetest.chat_send_player(name, S("Only peaceful mobs allowed!"))
return itemstack
end
pos.y = pos.y - 0.5
local mob = minetest.add_entity(pos, mob)
local entityname = itemstack:get_name()
minetest.log("action", "Player " ..name.." spawned "..entityname.." at "..minetest.pos_to_string(pos))
local ent = mob:get_luaentity()
-- don't set owner if monster or sneak pressed
if ent.type ~= "monster"
and not placer:get_player_control().sneak then
ent.owner = placer:get_player_name()
ent.tamed = true
end
-- set nametag
local nametag = itemstack:get_meta():get_string("name")
if nametag ~= "" then
if string.len(nametag) > MAX_MOB_NAME_LENGTH then
nametag = string.sub(nametag, 1, MAX_MOB_NAME_LENGTH)
end
ent.nametag = nametag
update_tag(ent)
end
-- if not in creative then take item
if not minetest.is_creative_enabled(placer:get_player_name()) then
itemstack:take_item()
end
end
return itemstack
end,
})
end
-- No-op in MCL2 (capturing mobs is not possible).
-- Provided for compability with Mobs Redo
function mcl_mobs:capture_mob(self, clicker, chance_hand, chance_net, chance_lasso, force_take, replacewith)
return false
end
-- No-op in MCL2 (protecting mobs is not possible).
function mcl_mobs:protect(self, clicker)
return false
end
-- feeding, taming and breeding (thanks blert2112)
function mcl_mobs:feed_tame(self, clicker, feed_count, breed, tame, notake)
if not self.follow then
return false
end
-- can eat/tame with item in hand
if self.nofollow or follow_holding(self, clicker) then
local consume_food = false
-- tame if not still a baby
if tame and not self.child then
if not self.owner or self.owner == "" then
self.tamed = true
self.owner = clicker:get_player_name()
consume_food = true
end
end
-- increase health
if self.health < self.hp_max and not consume_food then
consume_food = true
self.health = min(self.health + 4, self.hp_max)
if self.htimer < 1 then
self.htimer = 5
end
self.object:set_hp(self.health)
end
-- make children grow quicker
if not consume_food and self.child == true then
consume_food = true
-- deduct 10% of the time to adulthood
self.hornytimer = self.hornytimer + ((CHILD_GROW_TIME - self.hornytimer) * 0.1)
end
-- breed animals
if breed and not consume_food and self.hornytimer == 0 and not self.horny then
self.food = (self.food or 0) + 1
consume_food = true
if self.food >= feed_count then
self.food = 0
self.horny = true
end
end
self:update_tag()
-- play a sound if the animal used the item and take the item if not in creative
if consume_food then
-- don't consume food if clicker is in creative
if not minetest.is_creative_enabled(clicker:get_player_name()) and not notake then
local item = clicker:get_wielded_item()
item:take_item()
clicker:set_wielded_item(item)
end
-- always play the eat sound if food is used, even in creative
self:mob_sound("eat", nil, true)
else
-- make sound when the mob doesn't want food
self:mob_sound("random", true)
end
return true
end
return false
end
-- Spawn a child
function mcl_mobs:spawn_child(pos, mob_type)
local child = minetest.add_entity(pos, mob_type)
if not child then
return
end
local ent = child:get_luaentity()
mcl_mobs.effect(pos, 15, "mcl_particles_smoke.png", 1, 2, 2, 15, 5)
ent.child = true
local textures
-- using specific child texture (if found)
if ent.child_texture then
textures = ent.child_texture[1]
end
-- and resize to half height
child:set_properties({
textures = textures,
visual_size = {
x = ent.base_size.x * .5,
y = ent.base_size.y * .5,
},
collisionbox = {
ent.base_colbox[1] * .5,
ent.base_colbox[2] * .5,
ent.base_colbox[3] * .5,
ent.base_colbox[4] * .5,
ent.base_colbox[5] * .5,
ent.base_colbox[6] * .5,
},
selectionbox = {
ent.base_selbox[1] * .5,
ent.base_selbox[2] * .5,
ent.base_selbox[3] * .5,
ent.base_selbox[4] * .5,
ent.base_selbox[5] * .5,
ent.base_selbox[6] * .5,
},
})
ent.animation = ent._child_animations
ent._current_animation = nil
set_animation(ent, "stand")
return child
end
local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
if timer < 1 then return end
for _, player in pairs(minetest.get_connected_players()) do
local pos = player:get_pos()
for _, obj in pairs(minetest.get_objects_inside_radius(pos, 47)) do
local lua = obj:get_luaentity()
if lua and lua.is_mob then
lua.lifetimer = max(20, lua.lifetimer)
lua.despawn_immediately = false
end
end
end
timer = 0
end)