MineClone2/mods/ENTITIES/mcl_mobs/api.lua

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-- API for Mobs Redo: MineClone 2 Edition (MRM)
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mobs = {}
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mobs.mod = "mrm"
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mobs.version = "20210106" -- don't rely too much on this, rarely updated, if ever
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local MAX_MOB_NAME_LENGTH = 30
local HORNY_TIME = 30
local HORNY_AGAIN_TIME = 300
local CHILD_GROW_TIME = 60*20
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local DEATH_DELAY = 0.5
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local DEFAULT_FALL_SPEED = -10
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local FLOP_HEIGHT = 5.0
local FLOP_HOR_SPEED = 1.5
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local MOB_CAP = {}
MOB_CAP.hostile = 70
MOB_CAP.passive = 10
MOB_CAP.ambient = 15
MOB_CAP.water = 15
-- Localize
local S = minetest.get_translator("mcl_mobs")
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-- CMI support check
local use_cmi = minetest.global_exists("cmi")
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-- Invisibility mod check
mobs.invis = {}
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if minetest.global_exists("invisibility") then
mobs.invis = invisibility
end
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-- creative check
function mobs.is_creative(name)
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return minetest.is_creative_enabled(name)
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end
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-- 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 atan = function(x)
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if not x or x ~= x then
return 0
else
return atann(x)
end
end
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-- Load settings
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local damage_enabled = minetest.settings:get_bool("enable_damage")
local mobs_spawn = minetest.settings:get_bool("mobs_spawn", true) ~= false
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local disable_blood = minetest.settings:get_bool("mobs_disable_blood")
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local mobs_drop_items = minetest.settings:get_bool("mobs_drop_items") ~= false
local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
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local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= false
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local remove_far = true
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local difficulty = tonumber(minetest.settings:get("mob_difficulty")) or 1.0
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local show_health = false
local max_per_block = tonumber(minetest.settings:get("max_objects_per_block") or 64)
local mobs_spawn_chance = tonumber(minetest.settings:get("mobs_spawn_chance") or 2.5)
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-- Shows helpful debug info above each mob
local mobs_debug = minetest.settings:get_bool("mobs_debug", false)
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-- Peaceful mode message so players will know there are no monsters
if minetest.settings:get_bool("only_peaceful_mobs", false) then
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minetest.register_on_joinplayer(function(player)
minetest.chat_send_player(player:get_player_name(),
S("Peaceful mode active! No monsters will spawn."))
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end)
end
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-- calculate aoc range for mob count
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local aosrb = tonumber(minetest.settings:get("active_object_send_range_blocks"))
local abr = tonumber(minetest.settings:get("active_block_range"))
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local aoc_range = max(aosrb, abr) * 16
-- 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
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-- default nodes
local node_ice = "mcl_core:ice"
local node_snowblock = "mcl_core:snowblock"
local node_snow = "mcl_core:snow"
mobs.fallback_node = minetest.registered_aliases["mapgen_dirt"] or "mcl_core:dirt"
local mod_weather = minetest.get_modpath("mcl_weather") ~= nil
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local mod_explosions = minetest.get_modpath("mcl_explosions") ~= nil
local mod_mobspawners = minetest.get_modpath("mcl_mobspawners") ~= nil
local mod_hunger = minetest.get_modpath("mcl_hunger") ~= nil
local mod_worlds = minetest.get_modpath("mcl_worlds") ~= nil
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local mod_armor = minetest.get_modpath("mcl_armor") ~= nil
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local mod_experience = minetest.get_modpath("mcl_experience") ~= nil
----For Water Flowing:
local enable_physics = function(object, luaentity, ignore_check)
if luaentity.physical_state == false or ignore_check == true then
luaentity.physical_state = true
object:set_properties({
physical = true
})
object:set_velocity({x=0,y=0,z=0})
object:set_acceleration({x=0,y=-9.81,z=0})
end
end
local disable_physics = function(object, luaentity, ignore_check, reset_movement)
if luaentity.physical_state == true or ignore_check == true then
luaentity.physical_state = false
object:set_properties({
physical = false
})
if reset_movement ~= false then
object:set_velocity({x=0,y=0,z=0})
object:set_acceleration({x=0,y=0,z=0})
end
end
end
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-- play sound
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local mob_sound = function(self, soundname, is_opinion, fixed_pitch)
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local soundinfo
if self.sounds_child and self.child then
soundinfo = self.sounds_child
elseif self.sounds then
soundinfo = self.sounds
end
if not soundinfo then
return
end
local sound = soundinfo[soundname]
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if sound then
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if is_opinion and self.opinion_sound_cooloff > 0 then
return
end
local pitch
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if not fixed_pitch then
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local base_pitch = soundinfo.base_pitch
if not base_pitch then
base_pitch = 1
end
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if self.child and (not self.sounds_child) then
-- Children have higher pitch
pitch = base_pitch * 1.5
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else
pitch = base_pitch
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end
-- randomize the pitch a bit
pitch = pitch + math.random(-10, 10) * 0.005
end
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minetest.sound_play(sound, {
object = self.object,
gain = 1.0,
max_hear_distance = self.sounds.distance,
pitch = pitch,
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}, true)
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self.opinion_sound_cooloff = 1
end
end
-- Return true if object is in view_range
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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() and mod_armor then
factor = armor:get_mob_view_range_factor(object, 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)
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end
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-- attack player/mob
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local do_attack = function(self, player)
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if self.state == "attack" or self.state == "die" then
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return
end
self.attack = player
self.state = "attack"
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-- TODO: Implement war_cry sound without being annoying
--if random(0, 100) < 90 then
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--mob_sound(self, "war_cry", true)
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--end
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end
-- collision function borrowed amended from jordan4ibanez open_ai mod
local collision = function(self)
local pos = self.object:get_pos()
local vel = self.object:get_velocity()
local x = 0
local z = 0
local width = -self.collisionbox[1] + self.collisionbox[4] + 0.5
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for _,object in ipairs(minetest.get_objects_inside_radius(pos, width)) do
if object:is_player()
or (object:get_luaentity()._cmi_is_mob == true and object ~= self.object) then
local pos2 = object:get_pos()
local vec = {x = pos.x - pos2.x, z = pos.z - pos2.z}
local force = (width + 0.5) - vector.distance(
{x = pos.x, y = 0, z = pos.z},
{x = pos2.x, y = 0, z = pos2.z})
x = x + (vec.x * force)
z = z + (vec.z * force)
end
end
return({x,z})
end
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-- move mob in facing direction
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local set_velocity = function(self, v)
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local c_x, c_y = 0, 0
-- can mob be pushed, if so calculate direction
if self.pushable then
c_x, c_y = unpack(collision(self))
end
-- halt mob if it has been ordered to stay
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if self.order == "stand" then
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self.object:set_velocity({x = 0, y = 0, z = 0})
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return
end
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local yaw = (self.object:get_yaw() or 0) + self.rotate
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self.object:set_velocity({
x = (sin(yaw) * -v) + c_x,
y = self.object:get_velocity().y,
z = (cos(yaw) * v) + c_y,
})
end
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-- calculate mob velocity
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local get_velocity = function(self)
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local v = self.object:get_velocity()
if v then
return (v.x * v.x + v.z * v.z) ^ 0.5
end
return 0
end
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-- set and return valid yaw
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local set_yaw = function(self, yaw, delay, dtime)
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if not yaw or yaw ~= yaw then
yaw = 0
end
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delay = delay or 0
if delay == 0 then
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if self.shaking and dtime then
yaw = yaw + (math.random() * 2 - 1) * 5 * dtime
end
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self.object:set_yaw(yaw)
return yaw
end
self.target_yaw = yaw
self.delay = delay
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return self.target_yaw
end
-- global function to set mob yaw
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function mobs:yaw(self, yaw, delay, dtime)
set_yaw(self, yaw, delay, dtime)
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end
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local add_texture_mod = function(self, mod)
local full_mod = ""
local already_added = false
for i=1, #self.texture_mods do
if mod == self.texture_mods[i] then
already_added = true
end
full_mod = full_mod .. self.texture_mods[i]
end
if not already_added then
full_mod = full_mod .. mod
table.insert(self.texture_mods, mod)
end
self.object:set_texture_mod(full_mod)
end
local remove_texture_mod = function(self, mod)
local full_mod = ""
local remove = {}
for i=1, #self.texture_mods do
if self.texture_mods[i] ~= mod then
full_mod = full_mod .. self.texture_mods[i]
else
table.insert(remove, i)
end
end
for i=#remove, 1 do
table.remove(self.texture_mods, remove[i])
end
self.object:set_texture_mod(full_mod)
end
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-- set defined animation
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local set_animation = function(self, anim, fixed_frame)
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if not self.animation or not anim then
return
end
if self.state == "die" and anim ~= "die" and anim ~= "stand" then
return
end
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self.animation.current = self.animation.current or ""
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if (anim == self.animation.current
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or not self.animation[anim .. "_start"]
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or not self.animation[anim .. "_end"]) and self.state ~= "die" then
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return
end
self.animation.current = anim
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local a_start = self.animation[anim .. "_start"]
local a_end
if fixed_frame then
a_end = a_start
else
a_end = self.animation[anim .. "_end"]
end
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self.object:set_animation({
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x = a_start,
y = a_end},
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self.animation[anim .. "_speed"] or self.animation.speed_normal or 15,
0, self.animation[anim .. "_loop"] ~= false)
end
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-- above function exported for mount.lua
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function mobs:set_animation(self, anim)
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set_animation(self, anim)
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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].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
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-- check line of sight (BrunoMine)
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local line_of_sight = function(self, pos1, pos2, stepsize)
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stepsize = stepsize or 1
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local s, pos = minetest.line_of_sight(pos1, pos2, stepsize)
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-- normal walking and flying mobs can see you through air
if s == true then
return true
end
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-- New pos1 to be analyzed
local npos1 = {x = pos1.x, y = pos1.y, z = pos1.z}
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local r, pos = minetest.line_of_sight(npos1, pos2, stepsize)
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-- Checks the return
if r == true then return true end
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-- Nodename found
local nn = minetest.get_node(pos).name
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-- Target Distance (td) to travel
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local td = vector.distance(pos1, pos2)
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-- Actual Distance (ad) traveled
local ad = 0
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-- 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
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-- Check if you can still move forward
if td < ad + stepsize then
return true -- Reached the target
end
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-- Moves the analyzed pos
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local d = vector.distance(pos1, pos2)
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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
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-- NaN checks
if d == 0
or npos1.x ~= npos1.x
or npos1.y ~= npos1.y
or npos1.z ~= npos1.z then
return false
end
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ad = ad + stepsize
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-- 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
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return false
end
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-- are we flying in what we are suppose to? (taikedz)
local flight_check = function(self)
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local nod = self.standing_in
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local def = minetest.registered_nodes[nod]
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if not def then return false end -- nil check
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local fly_in
if type(self.fly_in) == "string" then
fly_in = { self.fly_in }
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elseif type(self.fly_in) == "table" then
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fly_in = self.fly_in
else
return false
end
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for _,checknode in pairs(fly_in) do
if nod == checknode then
return true
elseif checknode == "__airlike" and def.walkable == false and
(def.liquidtype == "none" or minetest.get_item_group(nod, "fake_liquid") == 1) then
return true
end
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end
return false
end
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-- custom particle effects
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local effect = function(pos, amount, texture, min_size, max_size, radius, gravity, glow, go_down)
radius = radius or 2
min_size = min_size or 0.5
max_size = max_size or 1
gravity = gravity or -10
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glow = glow or 0
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go_down = go_down or false
local ym
if go_down then
ym = 0
else
ym = -radius
end
minetest.add_particlespawner({
amount = amount,
time = 0.25,
minpos = pos,
maxpos = pos,
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minvel = {x = -radius, y = ym, z = -radius},
maxvel = {x = radius, y = radius, z = radius},
minacc = {x = 0, y = gravity, z = 0},
maxacc = {x = 0, y = gravity, z = 0},
minexptime = 0.1,
maxexptime = 1,
minsize = min_size,
maxsize = max_size,
texture = texture,
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glow = glow,
})
end
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local damage_effect = function(self, damage)
-- damage particles
if (not disable_blood) and damage > 0 then
local amount_large = math.floor(damage / 2)
local amount_small = damage % 2
local pos = self.object:get_pos()
pos.y = pos.y + (self.collisionbox[5] - self.collisionbox[2]) * .5
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local texture = "mobs_blood.png"
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-- full heart damage (one particle for each 2 HP damage)
if amount_large > 0 then
effect(pos, amount_large, texture, 2, 2, 1.75, 0, nil, true)
end
-- half heart damage (one additional particle if damage is an odd number)
if amount_small > 0 then
-- TODO: Use "half heart"
effect(pos, amount_small, texture, 1, 1, 1.75, 0, nil, true)
end
end
end
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mobs.death_effect = function(pos, yaw, collisionbox, rotate)
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local min, max
if collisionbox then
min = {x=collisionbox[1], y=collisionbox[2], z=collisionbox[3]}
max = {x=collisionbox[4], y=collisionbox[5], z=collisionbox[6]}
else
min = { x = -0.5, y = 0, z = -0.5 }
max = { x = 0.5, y = 0.5, z = 0.5 }
end
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if rotate then
min = vector.rotate(min, {x=0, y=yaw, z=pi/2})
max = vector.rotate(max, {x=0, y=yaw, z=pi/2})
min, max = vector.sort(min, max)
min = vector.multiply(min, 0.5)
max = vector.multiply(max, 0.5)
end
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minetest.add_particlespawner({
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amount = 50,
time = 0.001,
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minpos = vector.add(pos, min),
maxpos = vector.add(pos, max),
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minvel = vector.new(-5,-5,-5),
maxvel = vector.new(5,5,5),
minexptime = 1.1,
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maxexptime = 1.5,
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minsize = 1,
maxsize = 2,
collisiondetection = false,
vertical = false,
texture = "mcl_particles_mob_death.png^[colorize:#000000:255",
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})
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minetest.sound_play("mcl_mobs_mob_poof", {
pos = pos,
gain = 1.0,
max_hear_distance = 8,
}, true)
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end
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local update_tag = function(self)
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local tag
if mobs_debug then
tag = "nametag = '"..tostring(self.nametag).."'\n"..
"state = '"..tostring(self.state).."'\n"..
"order = '"..tostring(self.order).."'\n"..
"attack = "..tostring(self.attack).."\n"..
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"health = "..tostring(self.health).."\n"..
"breath = "..tostring(self.breath).."\n"..
"gotten = "..tostring(self.gotten).."\n"..
"tamed = "..tostring(self.tamed).."\n"..
"horny = "..tostring(self.horny).."\n"..
"hornytimer = "..tostring(self.hornytimer).."\n"..
"runaway_timer = "..tostring(self.runaway_timer).."\n"..
"following = "..tostring(self.following)
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else
tag = self.nametag
end
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self.object:set_properties({
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nametag = tag,
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})
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end
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-- drop items
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local item_drop = function(self, cooked, looting_level)
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-- no drops if disabled by setting
if not mobs_drop_items then return end
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looting_level = looting_level or 0
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-- no drops for child mobs (except monster)
if (self.child and self.type ~= "monster") then
return
end
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local obj, item, num
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local pos = self.object:get_pos()
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self.drops = self.drops or {} -- nil check
for n = 1, #self.drops do
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local dropdef = self.drops[n]
local chance = 1 / dropdef.chance
local looting_type = dropdef.looting
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if looting_level > 0 then
local chance_function = dropdef.looting_chance_function
if chance_function then
chance = chance_function(looting_level)
elseif looting_type == "rare" then
chance = chance + (dropdef.looting_factor or 0.01) * looting_level
end
end
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local num = 0
local do_common_looting = (looting_level > 0 and looting_type == "common")
if random() < chance then
num = random(dropdef.min or 1, dropdef.max or 1)
elseif not dropdef.looting_ignore_chance then
do_common_looting = false
end
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if do_common_looting then
num = num + math.floor(math.random(0, looting_level) + 0.5)
end
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if num > 0 then
item = dropdef.name
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-- cook items when true
if cooked then
local output = minetest.get_craft_result({
method = "cooking", width = 1, items = {item}})
if output and output.item and not output.item:is_empty() then
item = output.item:get_name()
end
end
-- add item if it exists
obj = minetest.add_item(pos, ItemStack(item .. " " .. num))
if obj and obj:get_luaentity() then
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obj:set_velocity({
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x = random(-10, 10) / 9,
y = 6,
z = random(-10, 10) / 9,
})
elseif obj then
obj:remove() -- item does not exist
end
end
end
self.drops = {}
end
-- check if mob is dead or only hurt
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local check_for_death = function(self, cause, cmi_cause)
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if self.state == "die" then
return true
end
-- has health actually changed?
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if self.health == self.old_health and self.health > 0 then
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return false
end
local damaged = self.health < self.old_health
self.old_health = self.health
-- still got some health?
if self.health > 0 then
-- make sure health isn't higher than max
if self.health > self.hp_max then
self.health = self.hp_max
end
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-- play damage sound if health was reduced and make mob flash red.
if damaged then
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add_texture_mod(self, "^[colorize:#FF000040")
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minetest.after(.2, function(self)
if self and self.object then
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remove_texture_mod(self, "^[colorize:#FF000040")
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end
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end, self)
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mob_sound(self, "damage")
end
-- backup nametag so we can show health stats
if not self.nametag2 then
self.nametag2 = self.nametag or ""
end
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if show_health
and (cmi_cause and cmi_cause.type == "punch") then
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self.htimer = 2
self.nametag = "" .. self.health .. " / " .. self.hp_max
update_tag(self)
end
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return false
end
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mob_sound(self, "death")
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local function death_handle(self)
-- dropped cooked item if mob died in fire or lava
if cause == "lava" or cause == "fire" then
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item_drop(self, true, 0)
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else
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local wielditem = ItemStack()
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if cause == "hit" then
local puncher = cmi_cause.puncher
if puncher then
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wielditem = puncher:get_wielded_item()
if mod_experience and ((not self.child) or self.type ~= "animal") then
mcl_experience.throw_experience(self.object:get_pos(), math.random(self.xp_min, self.xp_max))
end
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end
end
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local cooked = mcl_burning.is_burning(self.object) or mcl_enchanting.has_enchantment(wielditem, "fire_aspect")
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local looting = mcl_enchanting.get_enchantment(wielditem, "looting")
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item_drop(self, cooked, looting)
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end
end
-- execute custom death function
if self.on_die then
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local pos = self.object:get_pos()
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local on_die_exit = self.on_die(self, pos, cmi_cause)
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if on_die_exit ~= true then
death_handle(self)
end
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if use_cmi then
cmi.notify_die(self.object, cmi_cause)
end
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if on_die_exit == true then
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self.state = "die"
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mcl_burning.extinguish(self.object)
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self.object:remove()
return true
end
end
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local collisionbox
if self.collisionbox then
collisionbox = table.copy(self.collisionbox)
end
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self.state = "die"
self.attack = nil
self.v_start = false
self.fall_speed = DEFAULT_FALL_SPEED
self.timer = 0
self.blinktimer = 0
remove_texture_mod(self, "^[colorize:#FF000040")
remove_texture_mod(self, "^[brighten")
self.passive = true
self.object:set_properties({
pointable = false,
collide_with_objects = false,
})
set_velocity(self, 0)
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local acc = self.object:get_acceleration()
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acc.x, acc.y, acc.z = 0, DEFAULT_FALL_SPEED, 0
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self.object:set_acceleration(acc)
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local length
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-- default death function and die animation (if defined)
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if self.instant_death then
length = 0
elseif self.animation
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and self.animation.die_start
and self.animation.die_end then
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local frames = self.animation.die_end - self.animation.die_start
local speed = self.animation.die_speed or 15
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length = max(frames / speed, 0) + DEATH_DELAY
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set_animation(self, "die")
else
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local rot = self.object:get_rotation()
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rot.z = pi/2
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self.object:set_rotation(rot)
length = 1 + DEATH_DELAY
set_animation(self, "stand", true)
end
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-- Remove body after a few seconds and drop stuff
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local kill = function(self)
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if not self.object:get_luaentity() then
return
end
if use_cmi then
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cmi.notify_die(self.object, cmi_cause)
end
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death_handle(self)
local dpos = self.object:get_pos()
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local cbox = self.collisionbox
local yaw = self.object:get_rotation().y
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mcl_burning.extinguish(self.object)
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self.object:remove()
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mobs.death_effect(dpos, yaw, cbox, not self.instant_death)
end
if length <= 0 then
kill(self)
else
minetest.after(length, kill, self)
end
return true
end
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-- check if within physical map limits (-30911 to 30927)
local within_limits, wmin, wmax = nil, -30913, 30928
within_limits = function(pos, radius)
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
within_limits = function(pos, radius)
return pos
and (pos.x - radius) > wmin and (pos.x + radius) < wmax
and (pos.y - radius) > wmin and (pos.y + radius) < wmax
and (pos.z - radius) > wmin and (pos.z + radius) < wmax
end
end
end
return pos
and (pos.x - radius) > wmin and (pos.x + radius) < wmax
and (pos.y - radius) > wmin and (pos.y + radius) < wmax
and (pos.z - radius) > wmin and (pos.z + radius) < wmax
end
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-- is mob facing a cliff or danger
local is_at_cliff_or_danger = function(self)
if self.fear_height == 0 then -- 0 for no falling protection!
return false
end
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if not self.object:get_luaentity() then
return false
end
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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)
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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
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-- 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() 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
-- get node but use fallback for nil or unknown
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local node_ok = function(pos, fallback)
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fallback = fallback or mobs.fallback_node
local node = minetest.get_node_or_nil(pos)
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if node and minetest.registered_nodes[node.name] then
return node
end
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return minetest.registered_nodes[fallback]
end
2017-05-25 10:33:19 +02:00
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-- environmental damage (water, lava, fire, light etc.)
local do_env_damage = function(self)
-- feed/tame text timer (so mob 'full' messages dont spam chat)
if self.htimer > 0 then
self.htimer = self.htimer - 1
end
-- reset nametag after showing health stats
if self.htimer < 1 and self.nametag2 then
self.nametag = self.nametag2
self.nametag2 = nil
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update_tag(self)
end
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local pos = self.object:get_pos()
self.time_of_day = minetest.get_timeofday()
-- remove mob if beyond map limits
if not within_limits(pos, 0) then
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mcl_burning.extinguish(self.object)
self.object:remove()
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return true
end
-- Deal light damage to mob, returns true if mob died
local deal_light_damage = function(self, pos, damage)
if not (mod_weather and (mcl_weather.rain.raining or mcl_weather.state == "snow") and mcl_weather.is_outdoor(pos)) then
self.health = self.health - damage
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effect(pos, 5, "mcl_particles_smoke.png")
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2020-03-29 23:24:04 +02:00
if check_for_death(self, "light", {type = "light"}) then
return true
end
end
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end
-- bright light harms mob
if self.light_damage ~= 0 and (minetest.get_node_light(pos) or 0) > 12 then
if deal_light_damage(self, pos, self.light_damage) then
return true
end
end
local _, dim = nil, "overworld"
if mod_worlds then
_, dim = mcl_worlds.y_to_layer(pos.y)
end
if (self.sunlight_damage ~= 0 or self.ignited_by_sunlight) and (minetest.get_node_light(pos) or 0) >= minetest.LIGHT_MAX and dim == "overworld" then
if self.ignited_by_sunlight then
mcl_burning.set_on_fire(self.object, 10, self.sunlight_damage or 1)
else
deal_light_damage(self, pos, self.sunlight_damage)
return true
end
end
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local y_level = self.collisionbox[2]
if self.child then
y_level = self.collisionbox[2] * 0.5
end
-- what is mob standing in?
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pos.y = pos.y + y_level + 0.25 -- foot level
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local pos2 = {x=pos.x, y=pos.y-1, z=pos.z}
self.standing_in = node_ok(pos, "air").name
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self.standing_on = node_ok(pos2, "air").name
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-- don't fall when on ignore, just stand still
if self.standing_in == "ignore" then
2019-03-06 04:38:57 +01:00
self.object:set_velocity({x = 0, y = 0, z = 0})
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end
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local nodef = minetest.registered_nodes[self.standing_in]
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-- rain
if self.rain_damage > 0 and mod_weather then
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if mcl_weather.rain.raining and mcl_weather.is_outdoor(pos) then
self.health = self.health - self.rain_damage
if check_for_death(self, "rain", {type = "environment",
2020-03-29 23:24:04 +02:00
pos = pos, node = self.standing_in}) then
return true
end
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end
end
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pos.y = pos.y + 1 -- for particle effect position
-- water damage
if self.water_damage > 0
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and nodef.groups.water then
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if self.water_damage ~= 0 then
self.health = self.health - self.water_damage
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effect(pos, 5, "mcl_particles_smoke.png", nil, nil, 1, nil)
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if check_for_death(self, "water", {type = "environment",
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pos = pos, node = self.standing_in}) then
return true
end
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end
-- lava damage
elseif self.lava_damage > 0
2019-10-02 18:28:28 +02:00
and (nodef.groups.lava) then
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if self.lava_damage ~= 0 then
self.health = self.health - self.lava_damage
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effect(pos, 5, "fire_basic_flame.png", nil, nil, 1, nil)
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if check_for_death(self, "lava", {type = "environment",
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pos = pos, node = self.standing_in}) then
return true
end
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end
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-- fire damage
elseif self.fire_damage > 0
and (nodef.groups.fire) then
if self.fire_damage ~= 0 then
self.health = self.health - self.fire_damage
effect(pos, 5, "fire_basic_flame.png", nil, nil, 1, nil)
if check_for_death(self, "fire", {type = "environment",
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pos = pos, node = self.standing_in}) then
return true
end
end
2017-07-05 01:52:39 +02:00
-- damage_per_second node check
elseif nodef.damage_per_second ~= 0 and not nodef.groups.lava and not nodef.groups.fire then
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self.health = self.health - nodef.damage_per_second
2017-05-25 10:33:19 +02:00
2020-08-19 18:47:58 +02:00
effect(pos, 5, "mcl_particles_smoke.png")
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if check_for_death(self, "dps", {type = "environment",
2020-03-29 23:24:04 +02:00
pos = pos, node = self.standing_in}) then
return true
end
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end
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-- Drowning damage
if self.breath_max ~= -1 then
local drowning = false
if self.breathes_in_water then
if minetest.get_item_group(self.standing_in, "water") == 0 then
drowning = true
end
elseif nodef.drowning > 0 then
drowning = true
end
if drowning then
self.breath = math.max(0, self.breath - 1)
effect(pos, 2, "bubble.png", nil, nil, 1, nil)
if self.breath <= 0 then
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local dmg
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if nodef.drowning > 0 then
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dmg = nodef.drowning
2019-10-02 18:28:28 +02:00
else
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dmg = 4
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end
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damage_effect(self, dmg)
self.health = self.health - dmg
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end
if check_for_death(self, "drowning", {type = "environment",
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pos = pos, node = self.standing_in}) then
return true
end
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else
self.breath = math.min(self.breath_max, self.breath + 1)
end
end
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--- suffocation inside solid node
-- FIXME: Redundant with mcl_playerplus
if (self.suffocation == true)
and (nodef.walkable == nil or nodef.walkable == true)
and (nodef.collision_box == nil or nodef.collision_box.type == "regular")
and (nodef.node_box == nil or nodef.node_box.type == "regular")
and (nodef.groups.disable_suffocation ~= 1)
and (nodef.groups.opaque == 1) then
-- Short grace period before starting to take suffocation damage.
-- This is different from players, who take damage instantly.
-- This has been done because mobs might briefly be inside solid nodes
-- when e.g. climbing up stairs.
-- This is a bit hacky because it assumes that do_env_damage
-- is called roughly every second only.
self.suffocation_timer = self.suffocation_timer + 1
if self.suffocation_timer >= 3 then
-- 2 damage per second
-- TODO: Deal this damage once every 1/2 second
self.health = self.health - 2
if check_for_death(self, "suffocation", {type = "environment",
pos = pos, node = self.standing_in}) then
return true
end
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end
else
self.suffocation_timer = 0
end
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return check_for_death(self, "", {type = "unknown"})
end
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-- jump if facing a solid node (not fences or gates)
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local do_jump = function(self)
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if not self.jump
or self.jump_height == 0
or self.fly
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or (self.child and self.type ~= "monster")
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or self.order == "stand" then
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return false
end
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self.facing_fence = false
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-- something stopping us while moving?
if self.state ~= "stand"
and get_velocity(self) > 0.5
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and self.object:get_velocity().y ~= 0 then
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return false
end
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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
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return false
end
-- where is front
local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)
-- 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
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}, "air")
-- we don't attempt to jump if there's a stack of blocks blocking
if minetest.registered_nodes[nodTop.name].walkable == true then
return false
end
-- thin blocks that do not need to be jumped
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if nod.name == node_snow then
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return false
end
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if self.walk_chance == 0
or minetest.registered_items[nod.name].walkable then
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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
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local v = self.object:get_velocity()
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v.y = self.jump_height
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set_animation(self, "jump") -- only when defined
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self.object:set_velocity(v)
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-- when in air move forward
minetest.after(0.3, function(self, v)
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if (not self.object) or (not self.object:get_luaentity()) or (self.state == "die") then
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return
end
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self.object:set_acceleration({
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x = v.x * 2,
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y = -10,
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z = v.z * 2,
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})
end, self, v)
if self.jump_sound_cooloff <= 0 then
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mob_sound(self, "jump")
self.jump_sound_cooloff = 0.5
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end
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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 = set_yaw(self, yaw + 1.35, 8)
self.jump_count = 0
end
end
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return true
end
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return false
end
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-- blast damage to entities nearby
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local entity_physics = function(pos, radius)
radius = radius * 2
local objs = minetest.get_objects_inside_radius(pos, radius)
local obj_pos, dist
for n = 1, #objs do
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obj_pos = objs[n]:get_pos()
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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()
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-- punches work on entities AND players
objs[n]:punch(objs[n], 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = damage},
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}, pos)
end
end
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-- should mob follow what I'm holding ?
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local follow_holding = function(self, clicker)
if 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
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-- find two animals of same type and breed if nearby and horny
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local breed = function(self)
-- 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,
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selectionbox = self.base_selbox,
})
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-- 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
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self.object:set_velocity({
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x = 0,
y = self.jump_height,
z = 0
})
end
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
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-- find another same animal who is also horny and mate if nearby
if self.horny == true
and self.hornytimer <= HORNY_TIME then
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local pos = self.object:get_pos()
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 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
2018-06-03 16:13:46 +02:00
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
2020-12-05 01:49:15 +01:00
-- Give XP
if mod_experience then
mcl_experience.throw_experience(pos, math.random(1, 7))
end
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-- custom breed function
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if parent1.on_breed then
-- when false, skip going any further
if parent1.on_breed(parent1, parent2) == false then
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return
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end
end
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local child = mobs:spawn_child(pos, parent1.name)
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local ent_c = child:get_luaentity()
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-- Use texture of one of the parents
local p = math.random(1, 2)
if p == 1 then
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ent_c.base_texture = parent1.base_texture
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else
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ent_c.base_texture = parent2.base_texture
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end
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child:set_properties({
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textures = ent_c.base_texture
})
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2017-11-04 00:22:43 +01:00
-- tamed and owned by parents' owner
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ent_c.tamed = true
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ent_c.owner = parent1.owner
end, self, ent, pos)
num = 0
break
end
end
end
end
2017-05-25 10:33:19 +02:00
-- find and replace what mob is looking for (grass, wheat etc.)
2017-07-05 01:52:39 +02:00
local replace = function(self, pos)
if not self.replace_rate
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or not self.replace_what
or self.child == true
2019-03-06 04:38:57 +01:00
or self.object:get_velocity().y ~= 0
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or random(1, self.replace_rate) > 1 then
return
end
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local what, with, y_offset
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if type(self.replace_what[1]) == "table" then
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local num = random(#self.replace_what)
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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
2017-05-25 10:33:19 +02:00
pos.y = pos.y + y_offset
local node = minetest.get_node(pos)
if node.name == what then
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local oldnode = {name = what, param2 = node.param2}
local newnode = {name = with, param2 = node.param2}
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local on_replace_return
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2017-07-05 01:52:39 +02:00
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
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end
end
end
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-- check if daytime and also if mob is docile during daylight hours
2017-07-05 01:52:39 +02:00
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
2017-05-25 10:33:19 +02:00
2018-05-29 17:00:30 +02:00
local los_switcher = false
local height_switcher = false
-- path finding and smart mob routine by rnd, line_of_sight and other edits by Elkien3
2017-07-05 01:52:39 +02:00
local smart_mobs = function(self, s, p, dist, dtime)
local s1 = self.path.lastpos
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local target_pos = self.attack:get_pos()
-- is it becoming stuck?
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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}
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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
2018-05-29 17:00:30 +02:00
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)
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if not self.object:get_luaentity() then
return
end
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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)
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if not self.object:get_luaentity() then
return
end
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if has_lineofsight then self.path.following = false end
end, self)
end
2018-05-29 17:00:30 +02:00
if (self.path.stuck_timer > stuck_path_timeout and self.path.following) then
use_pathfind = true
self.path.stuck_timer = 0
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minetest.after(1, function(self)
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if not self.object:get_luaentity() then
return
end
2018-05-29 17:00:30 +02:00
if has_lineofsight then self.path.following = false end
end, self)
end
if math.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
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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
2017-07-05 01:52:39 +02:00
if self.fear_height ~= 0 then dropheight = self.fear_height end
local jumpheight = 0
if self.jump and self.jump_height >= 4 then
jumpheight = math.min(math.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
2018-01-26 18:06:32 +01:00
if self.pathfinding == 2 and mobs_griefing then
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-- is player higher than mob?
if s.y < p1.y then
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-- build upwards
if not minetest.is_protected(s, "") then
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local ndef1 = minetest.registered_nodes[self.standing_in]
if ndef1 and (ndef1.buildable_to or ndef1.groups.liquid) then
2017-07-25 04:30:23 +02:00
minetest.set_node(s, {name = mobs.fallback_node})
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end
end
local sheight = math.ceil(self.collisionbox[5]) + 1
-- assume mob is 2 blocks high so it digs above its head
s.y = s.y + sheight
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-- remove one block above to make room to jump
if not minetest.is_protected(s, "") then
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local node1 = node_ok(s, "air").name
local ndef1 = minetest.registered_nodes[node1]
if node1 ~= "air"
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and node1 ~= "ignore"
and ndef1
and not ndef1.groups.level
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and not ndef1.groups.unbreakable
and not ndef1.groups.liquid then
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minetest.set_node(s, {name = "air"})
minetest.add_item(s, ItemStack(node1))
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end
end
s.y = s.y - sheight
2019-03-06 04:38:57 +01:00
self.object:set_pos({x = s.x, y = s.y + 2, z = s.z})
else -- dig 2 blocks to make door toward player direction
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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
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local node1 = node_ok(p1, "air").name
local ndef1 = minetest.registered_nodes[node1]
if node1 ~= "air"
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and node1 ~= "ignore"
and ndef1
and not ndef1.groups.level
and not ndef1.groups.unbreakable
and not ndef1.groups.liquid then
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minetest.add_item(p1, ItemStack(node1))
minetest.set_node(p1, {name = "air"})
end
p1.y = p1.y + 1
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node1 = node_ok(p1, "air").name
ndef1 = minetest.registered_nodes[node1]
if node1 ~= "air"
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and node1 ~= "ignore"
and ndef1
and not ndef1.groups.level
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and not ndef1.groups.unbreakable
and not ndef1.groups.liquid then
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minetest.add_item(p1, ItemStack(node1))
minetest.set_node(p1, {name = "air"})
end
2015-06-29 19:55:56 +02:00
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!
2019-01-31 07:57:03 +01:00
-- TODO: Implement war_cry sound without being annoying
2019-12-09 12:17:51 +01:00
--mob_sound(self, "war_cry", true)
else
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set_velocity(self, self.walk_velocity)
-- follow path now that it has it
self.path.following = true
end
end
end
2017-05-25 10:33:19 +02:00
-- specific attacks
local specific_attack = function(list, what)
-- no list so attack default (player, animals etc.)
if list == nil then
return true
end
2017-07-05 01:52:39 +02:00
-- found entity on list to attack?
for no = 1, #list do
if list[no] == what then
return true
end
end
return false
end
-- monster find someone to attack
local monster_attack = function(self)
if self.type ~= "monster"
or not damage_enabled
2020-07-10 16:08:40 +02:00
or minetest.is_creative_enabled("")
or self.passive
or self.state == "attack"
or day_docile(self) then
return
end
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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
2020-02-18 18:12:51 +01:00
if mobs.invis[ objs[n]:get_player_name() ] or (not object_in_range(self, objs[n])) then
type = ""
2015-06-29 19:55:56 +02:00
else
player = objs[n]
type = "player"
name = "player"
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end
else
obj = objs[n]:get_luaentity()
if obj then
player = obj.object
type = obj.type
name = obj.name or ""
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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"
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or (type == "animal" and self.attack_animals == true)) then
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p = player:get_pos()
sp = s
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dist = vector.distance(p, s)
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-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
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-- choose closest player to attack
if dist < min_dist
and line_of_sight(self, sp, p, 2) == true then
min_dist = dist
min_player = player
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end
end
end
-- attack player
if min_player then
do_attack(self, min_player)
end
end
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-- 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
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local p, sp, obj, min_player
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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()
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if obj and obj.type == "monster" then
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p = obj.object:get_pos()
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sp = s
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local dist = vector.distance(p, s)
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-- 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
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2018-01-26 18:06:32 +01:00
-- 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
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if list[no] == what then
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return true
end
end
return false
end
-- find someone to runaway from
local runaway_from = function(self)
2020-12-05 14:16:07 +01:00
if not self.runaway_from and self.state ~= "flop" then
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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
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if mobs.invis[ objs[n]:get_player_name() ]
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or self.owner == objs[n]:get_player_name()
or (not object_in_range(self, objs[n])) then
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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
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dist = vector.distance(p, s)
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2018-05-29 17:00:30 +02:00
-- 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
2018-01-26 18:06:32 +01:00
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
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yaw = set_yaw(self, yaw, 4)
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self.state = "runaway"
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self.runaway_timer = 3
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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
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local s = self.object:get_pos()
local players = minetest.get_connected_players()
for n = 1, #players do
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if (object_in_range(self, players[n]))
and not 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
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local s = self.object:get_pos()
local p
if self.following:is_player() then
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p = self.following:get_pos()
elseif self.following.object then
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p = self.following.object:get_pos()
end
if p then
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local dist = vector.distance(p, s)
-- dont follow if out of range
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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
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if p.x > s.x then yaw = yaw + pi end
set_yaw(self, yaw, 2.35)
-- anyone but standing npc's can move along
if dist > 3
and self.order ~= "stand" then
set_velocity(self, self.follow_velocity)
if self.walk_chance ~= 0 then
set_animation(self, "run")
end
else
set_velocity(self, 0)
set_animation(self, "stand")
end
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return
end
end
end
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-- swimmers flop when out of their element, and swim again when back in
if self.fly then
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local s = self.object:get_pos()
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if not flight_check(self, s) then
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self.state = "flop"
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self.object:set_acceleration({x = 0, y = DEFAULT_FALL_SPEED, z = 0})
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local sdef = minetest.registered_nodes[self.standing_on]
-- Flop on ground
2020-12-05 14:14:16 +01:00
if sdef and sdef.walkable then
mob_sound(self, "flop")
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self.object:set_velocity({
x = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
y = FLOP_HEIGHT,
z = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
})
end
set_animation(self, "stand", true)
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return
elseif self.state == "flop" then
self.state = "stand"
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self.object:set_acceleration({x = 0, y = 0, z = 0})
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set_velocity(self, 0)
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end
end
end
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-- 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
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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
-- execute current state (stand, walk, run, attacks)
2020-04-08 15:03:03 +02:00
-- returns true if mob has died
local do_states = function(self, dtime)
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local yaw = self.object:get_yaw() or 0
if self.state == "stand" then
if random(1, 4) == 1 then
local lp = nil
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local s = self.object:get_pos()
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local objs = minetest.get_objects_inside_radius(s, 3)
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for n = 1, #objs do
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if objs[n]:is_player() then
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lp = objs[n]:get_pos()
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break
end
end
-- look at any players nearby, otherwise turn randomly
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
2017-05-25 10:33:19 +02:00
if lp.x > s.x then yaw = yaw + pi end
else
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yaw = yaw + random(-0.5, 0.5)
end
2018-05-29 17:00:30 +02:00
yaw = set_yaw(self, yaw, 8)
end
set_velocity(self, 0)
set_animation(self, "stand")
-- npc's ordered to stand stay standing
if self.type ~= "npc"
or self.order ~= "stand" then
if self.walk_chance ~= 0
2017-11-04 00:22:43 +01:00
and self.facing_fence ~= true
and random(1, 100) <= self.walk_chance
and is_at_cliff_or_danger(self) == false then
set_velocity(self, self.walk_velocity)
self.state = "walk"
set_animation(self, "walk")
end
end
elseif self.state == "walk" then
2017-11-04 00:22:43 +01:00
local s = self.object:get_pos()
local lp = nil
-- is there something I need to avoid?
2020-01-29 23:11:20 +01:00
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"})
2020-01-29 23:11:20 +01:00
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
2017-05-25 10:33:19 +02:00
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
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yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
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if lp.x > s.x then yaw = yaw + pi end
2017-05-25 10:33:19 +02:00
-- look towards land and move in that direction
yaw = set_yaw(self, yaw, 6)
set_velocity(self, self.walk_velocity)
2017-05-25 10:33:19 +02:00
end
end
2017-05-25 10:33:19 +02:00
2020-01-29 23:11:20 +01:00
-- A danger is near but mob is not inside
2017-05-25 10:33:19 +02:00
else
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-- Randomly turn
if random(1, 100) <= 30 then
yaw = yaw + random(-0.5, 0.5)
yaw = set_yaw(self, yaw, 8)
end
end
2018-05-29 17:00:30 +02:00
yaw = set_yaw(self, yaw, 8)
-- otherwise randomly turn
elseif random(1, 100) <= 30 then
2017-08-06 12:49:13 +02:00
yaw = yaw + random(-0.5, 0.5)
2018-05-29 17:00:30 +02:00
yaw = set_yaw(self, 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
2017-11-04 00:22:43 +01:00
if self.facing_fence == true
or cliff_or_danger
or random(1, 100) <= 30 then
set_velocity(self, 0)
self.state = "stand"
set_animation(self, "stand")
local yaw = self.object:get_yaw() or 0
yaw = set_yaw(self, yaw + 0.78, 8)
else
2020-01-29 23:11:20 +01:00
set_velocity(self, self.walk_velocity)
2017-05-25 10:33:19 +02:00
if flight_check(self)
and self.animation
and self.animation.fly_start
and self.animation.fly_end then
set_animation(self, "fly")
else
set_animation(self, "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
set_velocity(self, 0)
self.state = "stand"
set_animation(self, "stand")
local yaw = self.object:get_yaw() or 0
yaw = set_yaw(self, yaw + 0.78, 8)
else
set_velocity(self, self.run_velocity)
set_animation(self, "run")
end
-- attack routines (explode, dogfight, shoot, dogshoot)
elseif self.state == "attack" then
2017-11-04 00:22:43 +01:00
local s = self.object:get_pos()
local p = self.attack:get_pos() or s
2018-03-31 00:18:40 +02:00
-- stop attacking if player invisible or out of range
2020-02-25 16:09:26 +01:00
if not self.attack
2017-11-04 00:22:43 +01:00
or not self.attack:get_pos()
2020-02-25 16:09:26 +01:00
or not object_in_range(self, self.attack)
or self.attack:get_hp() <= 0
or (self.attack:is_player() and mobs.invis[ self.attack:get_player_name() ]) then
self.state = "stand"
set_velocity(self, 0)
set_animation(self, "stand")
self.attack = nil
self.v_start = false
self.timer = 0
self.blinktimer = 0
2018-05-29 17:00:30 +02:00
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
}
2017-05-25 10:33:19 +02:00
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
2017-05-25 10:33:19 +02:00
if p.x > s.x then yaw = yaw + pi end
2021-01-23 15:40:12 +01:00
yaw = set_yaw(self, yaw, 0, dtime)
2018-03-31 00:18:40 +02:00
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
2017-11-04 00:22:43 +01:00
self.v_start = true
self.timer = 0
self.blinktimer = 0
2019-12-09 12:17:51 +01:00
mob_sound(self, "fuse", nil, false)
2018-03-31 00:18:40 +02:00
-- stop timer if out of reach or direct line of sight
2018-03-31 00:18:40 +02:00
elseif self.allow_fuse_reset
and self.v_start
and (dist > self.reach
2018-03-31 00:18:40 +02:00
or not line_of_sight(self, s, p, 2)) then
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
2019-09-10 16:00:41 +02:00
remove_texture_mod(self, "^[brighten")
2017-11-04 00:22:43 +01:00
end
2018-03-31 00:18:40 +02:00
-- walk right up to player unless the timer is active
if self.v_start and (self.stop_to_explode or dist < 1.5) then
2017-11-04 00:22:43 +01:00
set_velocity(self, 0)
else
set_velocity(self, self.run_velocity)
end
2017-11-04 00:22:43 +01:00
if self.animation and self.animation.run_start then
set_animation(self, "run")
else
2017-11-04 00:22:43 +01:00
set_animation(self, "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
2019-09-10 16:00:41 +02:00
remove_texture_mod(self, "^[brighten")
2015-06-29 19:55:56 +02:00
else
2019-09-10 16:00:41 +02:00
add_texture_mod(self, "^[brighten")
2015-06-29 19:55:56 +02:00
end
self.blinkstatus = not self.blinkstatus
2015-06-29 19:55:56 +02:00
end
2017-11-04 00:22:43 +01:00
if self.timer > self.explosion_timer then
2017-11-04 00:22:43 +01:00
local pos = self.object:get_pos()
2020-05-02 18:50:25 +02:00
if mod_explosions then
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)
2017-07-25 04:30:23 +02:00
else
minetest.sound_play(self.sounds.explode, {
pos = pos,
gain = 1.0,
max_hear_distance = self.sounds.distance or 32
2020-04-07 00:55:45 +02:00
}, true)
2017-07-25 04:30:23 +02:00
2018-03-31 00:18:40 +02:00
entity_physics(pos, entity_damage_radius)
2020-08-19 18:47:58 +02:00
effect(pos, 32, "mcl_particles_smoke.png", nil, nil, node_break_radius, 1, 0)
2017-07-25 04:30:23 +02:00
end
2020-05-02 18:50:25 +02:00
end
2021-01-02 10:56:40 +01:00
mcl_burning.extinguish(self.object)
2020-05-02 18:50:25 +02:00
self.object:remove()
2017-05-25 10:33:19 +02:00
2020-04-08 15:03:03 +02:00
return true
2015-06-29 19:55:56 +02:00
end
end
elseif self.attack_type == "dogfight"
or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 2)
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)
2019-03-06 04:38:57 +01:00
local v = self.object:get_velocity()
2017-05-25 10:33:19 +02:00
if flight_check(self, s) then
if me_y < p_y then
2019-03-06 04:38:57 +01:00
self.object:set_velocity({
x = v.x,
y = 1 * self.walk_velocity,
z = v.z
})
elseif me_y > p_y then
2019-03-06 04:38:57 +01:00
self.object:set_velocity({
x = v.x,
y = -1 * self.walk_velocity,
z = v.z
})
end
2015-06-29 19:55:56 +02:00
else
if me_y < p_y then
2019-03-06 04:38:57 +01:00
self.object:set_velocity({
x = v.x,
y = 0.01,
z = v.z
})
elseif me_y > p_y then
2019-03-06 04:38:57 +01:00
self.object:set_velocity({
x = v.x,
y = -0.01,
z = v.z
})
end
2015-06-29 19:55:56 +02:00
end
2015-06-29 19:55:56 +02:00
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}
2015-06-29 19:55:56 +02:00
end
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
2017-05-25 10:33:19 +02:00
if p.x > s.x then yaw = yaw + pi end
2021-01-23 15:40:12 +01:00
yaw = set_yaw(self, 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)
2015-06-29 19:55:56 +02:00
end
if is_at_cliff_or_danger(self) then
set_velocity(self, 0)
set_animation(self, "stand")
local yaw = self.object:get_yaw() or 0
yaw = set_yaw(self, yaw + 0.78, 8)
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else
if self.path.stuck then
set_velocity(self, self.walk_velocity)
else
set_velocity(self, self.run_velocity)
end
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if self.animation and self.animation.run_start then
set_animation(self, "run")
else
set_animation(self, "walk")
end
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end
else -- rnd: if inside reach range
self.path.stuck = false
self.path.stuck_timer = 0
self.path.following = false -- not stuck anymore
set_velocity(self, 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
set_animation(self, "punch2")
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else
set_animation(self, "punch")
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end
local p2 = p
local s2 = s
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p2.y = p2.y + .5
s2.y = s2.y + .5
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if line_of_sight(self, p2, s2) == true then
-- play attack sound
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mob_sound(self, "attack")
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-- punch player (or what player is attached to)
local attached = self.attack:get_attach()
if attached then
self.attack = attached
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end
self.attack:punch(self.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = self.damage}
}, nil)
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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)
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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 and dogswitch(self) == 0) then
p.y = p.y - .5
s.y = s.y + .5
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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
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if p.x > s.x then yaw = yaw + pi end
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yaw = set_yaw(self, yaw, 0, dtime)
set_velocity(self, 0)
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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
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and not minetest.raycast(p, self.attack:get_pos(), false, false):next()
and random(1, 100) <= 60 then
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self.timer = 0
set_animation(self, "shoot")
-- play shoot attack sound
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mob_sound(self, "shoot_attack")
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-- Shoot arrow
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if minetest.registered_entities[self.arrow] then
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local arrow, ent
local v = 1
if not self.shoot_arrow then
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
end
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local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5
-- offset makes shoot aim accurate
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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)
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if self.shoot_arrow then
vec = vector.normalize(vec)
self:shoot_arrow(p, vec)
else
arrow:set_velocity(vec)
end
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end
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end
end
end
end
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-- falling and fall damage
-- returns true if mob died
local falling = function(self, pos)
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if self.fly and self.state ~= "die" then
return
end
if mcl_portals ~= nil then
if mcl_portals.nether_portal_cooloff[self.object] then
return false -- mob has teleported through Nether portal - it's 99% not falling
end
end
-- floating in water (or falling)
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local v = self.object:get_velocity()
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if v.y > 0 then
-- apply gravity when moving up
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self.object:set_acceleration({
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x = 0,
y = -10,
z = 0
})
elseif v.y <= 0 and v.y > self.fall_speed then
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-- fall downwards at set speed
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self.object:set_acceleration({
x = 0,
y = self.fall_speed,
z = 0
})
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else
-- stop accelerating once max fall speed hit
2019-03-06 04:38:57 +01:00
self.object:set_acceleration({x = 0, y = 0, z = 0})
end
-- in water then float up
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if minetest.registered_nodes[node_ok(pos).name].groups.water then
if self.floats == 1 then
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self.object:set_acceleration({
x = 0,
y = -self.fall_speed / (max(1, v.y) ^ 2),
z = 0
})
end
else
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-- fall damage onto solid ground
if self.fall_damage == 1
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and self.object:get_velocity().y == 0 then
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local d = (self.old_y or 0) - self.object:get_pos().y
if d > 5 then
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local add = minetest.get_item_group(self.standing_on, "fall_damage_add_percent")
local damage = d - 5
if add ~= 0 then
damage = damage + damage * (add/100)
end
damage = floor(damage)
if damage > 0 then
self.health = self.health - damage
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effect(pos, 5, "mcl_particles_smoke.png", 1, 2, 2, nil)
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if check_for_death(self, "fall", {type = "fall"}) then
return true
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end
end
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end
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self.old_y = self.object:get_pos().y
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
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-- deal damage and effects when mob punched
local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
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-- custom punch function
if self.do_punch then
-- when false skip going any further
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if self.do_punch(self, hitter, tflp, tool_capabilities, dir) == false then
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return
end
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end
-- error checking when mod profiling is enabled
if not tool_capabilities then
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minetest.log("warning", "[mobs] Mod profiling enabled, damage not enabled")
return
end
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-- is mob protected?
if self.protected and hitter:is_player()
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and minetest.is_protected(self.object:get_pos(), hitter:get_player_name()) then
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return
end
-- punch interval
local weapon = hitter:get_wielded_item()
local punch_interval = 1.4
-- exhaust attacker
if mod_hunger and hitter: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
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if use_cmi then
damage = cmi.calculate_damage(self.object, hitter, tflp, tool_capabilities, dir)
else
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for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do
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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
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damage = damage + (tool_capabilities.damage_groups[group] or 0)
* tmp * ((armor[group] or 0) / 100.0)
end
end
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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, 4, fire_aspect_level * 2)
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
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if use_cmi then
local cancel = cmi.notify_punch(self.object, hitter, tflp, tool_capabilities, dir, damage)
if cancel then return end
end
if tool_capabilities then
punch_interval = tool_capabilities.full_punch_interval or 1.4
end
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-- add weapon wear manually
-- Required because we have custom health handling ("health" property)
2020-07-10 16:08:40 +02:00
if minetest.is_creative_enabled("") ~= true
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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
-- 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
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-- weapon sounds
if weapon:get_definition().sounds ~= nil then
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local s = random(0, #weapon:get_definition().sounds)
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minetest.sound_play(weapon:get_definition().sounds[s], {
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object = self.object, --hitter,
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max_hear_distance = 8
2020-04-07 00:55:45 +02:00
}, true)
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else
minetest.sound_play("default_punch", {
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object = self.object,
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max_hear_distance = 5
2020-04-07 00:55:45 +02:00
}, true)
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end
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damage_effect(self, damage)
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-- do damage
self.health = self.health - damage
-- skip future functions if dead, except alerting others
if check_for_death(self, "hit", {type = "punch", puncher = hitter}) then
die = true
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end
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-- knock back effect (only on full punch)
if not die
and self.knock_back
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and tflp >= punch_interval then
2019-03-06 04:38:57 +01:00
local v = self.object:get_velocity()
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local r = 1.4 - min(punch_interval, 1.4)
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local kb = r * 2.0
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local up = 2
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-- if already in air then dont go up anymore when hit
if v.y > 0
or self.fly then
up = 0
end
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-- direction error check
dir = dir or {x = 0, y = 0, z = 0}
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-- 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
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local luaentity
if hitter then
luaentity = hitter:get_luaentity()
end
if hitter and hitter: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
2019-03-06 04:38:57 +01:00
self.object:set_velocity({
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x = dir.x * kb,
y = dir.y * kb + up,
2017-05-25 10:33:19 +02:00
z = dir.z * kb
})
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self.pause_timer = 0.25
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end
end -- END if damage
-- if skittish then run away
2020-12-05 14:16:07 +01:00
if not die and self.runaway == true and self.state ~= "flop" then
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local lp = hitter:get_pos()
local s = self.object:get_pos()
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
2017-07-05 01:52:39 +02:00
local yaw = (atan(vec.z / vec.x) + 3 * pi / 2) - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
2018-05-29 17:00:30 +02:00
yaw = set_yaw(self, yaw, 6)
self.state = "runaway"
self.runaway_timer = 0
self.following = nil
end
2017-05-25 10:33:19 +02:00
local name = hitter:get_player_name() or ""
-- attack puncher and call other mobs for help
if self.passive == false
and self.state ~= "flop"
2019-03-08 23:52:41 +01:00
and (self.child == false or self.type == "monster")
and hitter:get_player_name() ~= self.owner
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and not mobs.invis[ name ] then
if not die then
-- attack whoever punched mob
self.state = ""
do_attack(self, hitter)
end
-- alert others to the attack
2017-11-04 00:22:43 +01:00
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
2017-05-25 10:33:19 +02:00
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
do_attack(obj, hitter)
break
end
end
end
2015-06-29 19:55:56 +02:00
end
2017-05-25 10:33:19 +02:00
-- have owned mobs attack player threat
if obj.owner == name and obj.owner_loyal then
do_attack(obj, self.object)
end
2015-06-29 19:55:56 +02:00
end
end
end
end
2020-02-22 20:47:25 +01:00
local mob_detach_child = function(self, child)
if self.driver == child then
self.driver = nil
end
end
2017-05-25 10:33:19 +02:00
-- get entity staticdata
local mob_staticdata = function(self)
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--[[
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-- remove mob when out of range unless tamed
if remove_far
and self.can_despawn
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and self.remove_ok
and ((not self.nametag) or (self.nametag == ""))
and self.lifetimer <= 20 then
2017-05-25 10:33:19 +02:00
2021-01-06 10:36:57 +01:00
minetest.log("action", "Mob "..name.." despawns in mob_staticdata at "..minetest.pos_to_string(self.object.get_pos(), 1))
2021-01-02 10:56:40 +01:00
mcl_burning.extinguish(self.object)
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self.object:remove()
return ""-- nil
end
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--]]
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self.remove_ok = true
self.attack = nil
self.following = nil
self.state = "stand"
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if use_cmi then
self.serialized_cmi_components = cmi.serialize_components(self._cmi_components)
end
2017-05-25 10:33:19 +02:00
local tmp = {}
for _,stat in pairs(self) do
local t = type(stat)
if t ~= "function"
and t ~= "nil"
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and t ~= "userdata"
and _ ~= "_cmi_components" then
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tmp[_] = self[_]
end
end
return minetest.serialize(tmp)
end
-- activate mob and reload settings
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local mob_activate = function(self, staticdata, def, dtime)
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-- remove monsters in peaceful mode
if self.type == "monster"
and minetest.settings:get_bool("only_peaceful_mobs", false) then
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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
2017-05-25 10:33:19 +02:00
-- compatiblity with old simple mobs textures
if type(def.textures[1]) == "string" then
def.textures = {def.textures}
end
self.base_texture = def.textures[random(1, #def.textures)]
self.base_mesh = def.mesh
self.base_size = self.visual_size
self.base_colbox = self.collisionbox
2018-01-08 02:03:31 +01:00
self.base_selbox = self.selectionbox
end
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-- 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
2018-01-08 02:03:31 +01:00
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
}
2018-01-08 02:03:31 +01:00
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
2019-10-02 18:28:28 +02:00
if self.breath == nil then
self.breath = self.breath_max
end
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-- 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
2020-02-19 16:47:57 +01:00
-- 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)
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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
2018-01-08 02:03:31 +01:00
self.selectionbox = selbox
self.visual_size = vis_size
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self.standing_in = "ignore"
self.standing_on = "ignore"
2019-01-31 02:44:05 +01:00
self.jump_sound_cooloff = 0 -- used to prevent jump sound from being played too often in short time
2019-01-31 06:31:04 +01:00
self.opinion_sound_cooloff = 0 -- used to prevent sound spam of particular sound types
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self.texture_mods = {}
2020-01-06 17:28:08 +01:00
self.object:set_texture_mod("")
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
2019-09-10 16:00:41 +02:00
2017-11-04 00:22:43 +01:00
-- check existing nametag
if not self.nametag then
self.nametag = def.nametag
end
-- set anything changed above
self.object:set_properties(self)
2018-05-29 17:00:30 +02:00
set_yaw(self, (random(0, 360) - 180) / 180 * pi, 6)
2017-02-19 21:39:51 +01:00
update_tag(self)
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set_animation(self, "stand")
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-- 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
-- run after_activate
if def.after_activate then
def.after_activate(self, staticdata, def, dtime)
end
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if use_cmi then
self._cmi_components = cmi.activate_components(self.serialized_cmi_components)
cmi.notify_activate(self.object, dtime)
end
end
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-- main mob function
local mob_step = function(self, dtime)
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if not self.fire_resistant then
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mcl_burning.tick(self.object, dtime)
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end
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if use_cmi then
cmi.notify_step(self.object, dtime)
end
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local pos = self.object:get_pos()
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local yaw = 0
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if mobs_debug then
update_tag(self)
end
if self.state == "die" then
return
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end
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if self.jump_sound_cooloff > 0 then
self.jump_sound_cooloff = self.jump_sound_cooloff - dtime
end
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if self.opinion_sound_cooloff > 0 then
self.opinion_sound_cooloff = self.opinion_sound_cooloff - dtime
end
if falling(self, pos) then
-- Return if mob died after falling
return
end
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-- smooth rotation by ThomasMonroe314
if self.delay and self.delay > 0 then
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local yaw = self.object:get_yaw() or 0
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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
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if self.shaking then
yaw = yaw + (math.random() * 2 - 1) * 5 * dtime
end
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self.object:set_yaw(yaw)
end
-- end rotation
-- knockback timer
if self.pause_timer > 0 then
self.pause_timer = self.pause_timer - dtime
return
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
-- attack timer
self.timer = self.timer + dtime
if self.state ~= "attack" 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
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if random(1, 100) == 1 then
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mob_sound(self, "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.env_damage_timer = 0
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-- check for environmental damage (water, fire, lava etc.)
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if do_env_damage(self) then
return
end
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-- node replace check (cow eats grass etc.)
replace(self, pos)
end
monster_attack(self)
npc_attack(self)
breed(self)
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if do_states(self, dtime) then
return
end
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do_jump(self)
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runaway_from(self)
if is_at_water_danger(self) and self.state ~= "attack" then
if random(1, 10) <= 6 then
set_velocity(self, 0)
self.state = "stand"
set_animation(self, "stand")
yaw = yaw + random(-0.5, 0.5)
yaw = set_yaw(self, yaw, 8)
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
enable_physics(self.object, self, true)
return
end
--Mob following code.
follow_flop(self)
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if is_at_cliff_or_danger(self) then
set_velocity(self, 0)
self.state = "stand"
set_animation(self, "stand")
local yaw = self.object:get_yaw() or 0
yaw = set_yaw(self, yaw + 0.78, 8)
end
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-- 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
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self.lifetimer = self.lifetimer - dtime
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if self.despawn_immediately or self.lifetimer <= 0 then
minetest.log("action", "Mob "..self.name.." despawns in mob_step at "..minetest.pos_to_string(pos, 1))
mcl_burning.extinguish(self.object)
self.object:remove()
elseif self.lifetimer <= 10 then
if math.random(10) < 4 then
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self.despawn_immediately = true
else
self.lifetimer = 20
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end
end
end
end
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-- 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
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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
2018-05-31 18:32:26 +02:00
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
update_tag(self)
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if not mobs.is_creative(clicker:get_player_name()) then
item:take_item()
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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
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-- register mob entity
function mobs:register_mob(name, def)
mobs.spawning_mobs[name] = true
local can_despawn
if def.can_despawn ~= nil then
can_despawn = def.can_despawn
else
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can_despawn = true
end
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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)
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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, {
stepheight = def.stepheight or 0.6,
name = name,
type = def.type,
attack_type = def.attack_type,
fly = def.fly,
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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,
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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,
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hp_min = scale_difficulty(def.hp_min, 5, 1),
hp_max = scale_difficulty(def.hp_max, 10, 1),
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xp_min = def.xp_min or 0,
xp_max = def.xp_max or 0,
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breath_max = def.breath_max or 15,
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breathes_in_water = def.breathes_in_water or false,
physical = true,
collisionbox = collisionbox,
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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,
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view_range = def.view_range or 16,
walk_velocity = def.walk_velocity or 1,
run_velocity = def.run_velocity or 2,
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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,
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lava_damage = def.lava_damage or 8,
fire_damage = def.fire_damage or 1,
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suffocation = def.suffocation or true,
fall_damage = def.fall_damage or 1,
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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,
follow = def.follow,
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jump = def.jump ~= false,
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,
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knock_back = def.knock_back ~= false,
shoot_offset = def.shoot_offset or 0,
floats = def.floats or 1, -- floats in water by default
replace_rate = def.replace_rate,
replace_what = def.replace_what,
replace_with = def.replace_with,
replace_offset = def.replace_offset or 0,
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on_replace = def.on_replace,
timer = 0,
env_damage_timer = 0,
tamed = false,
pause_timer = 0,
horny = false,
hornytimer = 0,
gotten = false,
health = 0,
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 {},
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explosion_radius = def.explosion_radius, -- LEGACY
explosion_damage_radius = def.explosion_damage_radius, -- LEGACY
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explosion_timer = def.explosion_timer or 3,
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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,
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dogshoot_count2_max = def.dogshoot_count2_max or (def.dogshoot_count_max or 5),
attack_animals = def.attack_animals or false,
specific_attack = def.specific_attack,
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runaway_from = def.runaway_from,
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owner_loyal = def.owner_loyal,
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facing_fence = false,
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_cmi_is_mob = true,
pushable = def.pushable or true,
-- MCL2 extensions
teleport = teleport,
do_teleport = def.do_teleport,
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spawn_class = def.spawn_class,
ignores_nametag = def.ignores_nametag or false,
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rain_damage = def.rain_damage or 0,
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glow = def.glow,
can_despawn = can_despawn,
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child = def.child or false,
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texture_mods = {},
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shoot_arrow = def.shoot_arrow,
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sounds_child = def.sounds_child,
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explosion_strength = def.explosion_strength,
suffocation_timer = 0,
follow_velocity = def.follow_velocity or 2.4,
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instant_death = def.instant_death or false,
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fire_resistant = def.fire_resistant or false,
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fire_damage_resistant = def.fire_damage_resistant or false,
ignited_by_sunlight = def.ignited_by_sunlight or false,
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-- End of MCL2 extensions
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on_spawn = def.on_spawn,
on_blast = def.on_blast or do_tnt,
on_step = mob_step,
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do_punch = def.do_punch,
on_punch = mob_punch,
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on_breed = def.on_breed,
on_grown = def.on_grown,
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on_detach_child = mob_detach_child,
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on_activate = function(self, staticdata, dtime)
return mob_activate(self, staticdata, def, dtime)
end,
get_staticdata = function(self)
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return mob_staticdata(self)
end,
harmed_by_heal = def.harmed_by_heal,
})
if minetest.get_modpath("doc_identifier") ~= nil then
doc.sub.identifier.register_object(name, "basics", "mobs")
end
end -- END mobs:register_mob function
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-- count how many mobs of one type are inside an area
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local count_mobs = function(pos, mobtype)
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local num = 0
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local objs = minetest.get_objects_inside_radius(pos, aoc_range)
for n = 1, #objs do
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local obj = objs[n]:get_luaentity()
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if obj and obj.name and obj._cmi_is_mob then
2017-05-25 10:33:19 +02:00
2020-04-11 02:46:03 +02:00
-- count passive mobs only
if mobtype == "!passive" then
if obj.spawn_class == "passive" then
num = num + 1
end
-- count hostile mobs only
elseif mobtype == "!hostile" then
if obj.spawn_class == "hostile" then
num = num + 1
end
-- count ambient mobs only
elseif mobtype == "!ambient" then
if obj.spawn_class == "ambient" then
num = num + 1
end
-- count water mobs only
elseif mobtype == "!water" then
if obj.spawn_class == "water" then
num = num + 1
end
-- count mob type
elseif mobtype and obj.name == mobtype then
num = num + 1
-- count total mobs
elseif not mobtype then
num = num + 1
2015-06-29 19:55:56 +02:00
end
end
end
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return num
end
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-- global functions
2018-03-31 00:18:40 +02:00
function mobs:spawn_abm_check(pos, node, name)
-- global function to add additional spawn checks
-- return true to stop spawning mob
end
function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light,
interval, chance, aoc, min_height, max_height, day_toggle, on_spawn)
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-- Do mobs spawn at all?
if not mobs_spawn then
return
end
-- chance/spawn number override in minetest.conf for registered mob
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local numbers = minetest.settings:get(name)
if numbers then
numbers = numbers:split(",")
chance = tonumber(numbers[1]) or chance
aoc = tonumber(numbers[2]) or aoc
if chance == 0 then
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minetest.log("warning", string.format("[mobs] %s has spawning disabled", name))
return
end
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minetest.log("action",
string.format("[mobs] Chance setting for %s changed to %s (total: %s)", name, chance, aoc))
end
local spawn_action
spawn_action = function(pos, node, active_object_count, active_object_count_wider, name)
local orig_pos = table.copy(pos)
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-- is mob actually registered?
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if not mobs.spawning_mobs[name]
or not minetest.registered_entities[name] then
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minetest.log("warning", "Mob spawn of "..name.." failed, unknown entity or mob is not registered for spawning!")
return
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end
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-- additional custom checks for spawning mob
if mobs:spawn_abm_check(pos, node, name) == true then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, ABM check rejected!")
2018-03-31 00:18:40 +02:00
return
end
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-- count nearby mobs in same spawn class
local entdef = minetest.registered_entities[name]
local spawn_class = entdef and entdef.spawn_class
if not spawn_class then
if entdef.type == "monster" then
spawn_class = "hostile"
else
spawn_class = "passive"
end
end
local in_class_cap = count_mobs(pos, "!"..spawn_class) < MOB_CAP[spawn_class]
-- do not spawn if too many of same mob in area
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if active_object_count_wider >= max_per_block -- large-range mob cap
or (not in_class_cap) -- spawn class mob cap
or count_mobs(pos, name) >= aoc then -- per-mob mob cap
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-- too many entities
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, too crowded!")
return
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end
-- if toggle set to nil then ignore day/night check
if day_toggle ~= nil then
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local tod = (minetest.get_timeofday() or 0) * 24000
if tod > 4500 and tod < 19500 then
-- daylight, but mob wants night
if day_toggle == false then
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-- mob needs night
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, mob needs light!")
return
end
else
-- night time but mob wants day
if day_toggle == true then
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-- mob needs day
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, mob needs daylight!")
return
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end
end
end
-- spawn above node
pos.y = pos.y + 1
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-- only spawn away from player
local objs = minetest.get_objects_inside_radius(pos, 24)
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for n = 1, #objs do
if objs[n]:is_player() then
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-- player too close
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, player too close!")
return
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end
end
-- mobs cannot spawn in protected areas when enabled
2017-07-25 04:30:23 +02:00
if not spawn_protected
and minetest.is_protected(pos, "") then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, position is protected!")
return
end
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-- are we spawning within height limits?
if pos.y > max_height
or pos.y < min_height then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, out of height limit!")
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return
end
-- are light levels ok?
local light = minetest.get_node_light(pos)
if not light
or light > max_light
or light < min_light then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, bad light!")
return
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end
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-- do we have enough space to spawn mob?
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local ent = minetest.registered_entities[name]
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local width_x = max(1, math.ceil(ent.collisionbox[4] - ent.collisionbox[1]))
local min_x, max_x
if width_x % 2 == 0 then
max_x = math.floor(width_x/2)
min_x = -(max_x-1)
else
max_x = math.floor(width_x/2)
min_x = -max_x
end
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local width_z = max(1, math.ceil(ent.collisionbox[6] - ent.collisionbox[3]))
local min_z, max_z
if width_z % 2 == 0 then
max_z = math.floor(width_z/2)
min_z = -(max_z-1)
else
max_z = math.floor(width_z/2)
min_z = -max_z
end
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local max_y = max(0, math.ceil(ent.collisionbox[5] - ent.collisionbox[2]) - 1)
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for y = 0, max_y do
for x = min_x, max_x do
for z = min_z, max_z do
local pos2 = {x = pos.x+x, y = pos.y+y, z = pos.z+z}
if minetest.registered_nodes[node_ok(pos2).name].walkable == true then
-- inside block
minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, too little space!")
if ent.spawn_small_alternative ~= nil and (not minetest.registered_nodes[node_ok(pos).name].walkable) then
minetest.log("info", "Trying to spawn smaller alternative mob: "..ent.spawn_small_alternative)
spawn_action(orig_pos, node, active_object_count, active_object_count_wider, ent.spawn_small_alternative)
end
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return
end
end
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end
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end
-- tweak X/Y/Z spawn pos
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if width_x % 2 == 0 then
pos.x = pos.x + 0.5
end
if width_z % 2 == 0 then
pos.z = pos.z + 0.5
end
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pos.y = pos.y - 0.5
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local mob = minetest.add_entity(pos, name)
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minetest.log("action", "Mob spawned: "..name.." at "..minetest.pos_to_string(pos))
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if on_spawn then
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local ent = mob:get_luaentity()
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on_spawn(ent, pos)
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end
end
local function spawn_abm_action(pos, node, active_object_count, active_object_count_wider)
spawn_action(pos, node, active_object_count, active_object_count_wider, name)
end
minetest.register_abm({
label = name .. " spawning",
nodenames = nodes,
neighbors = neighbors,
interval = interval,
chance = floor(max(1, chance * mobs_spawn_chance)),
catch_up = false,
action = spawn_abm_action,
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})
end
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-- compatibility with older mob registration
function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height, day_toggle)
mobs:spawn_specific(name, nodes, {"air"}, min_light, max_light, 30,
chance, active_object_count, -31000, max_height, day_toggle)
end
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-- MarkBu's spawn function
function mobs:spawn(def)
local name = def.name
local nodes = def.nodes or {"group:soil", "group:stone"}
local neighbors = def.neighbors or {"air"}
local min_light = def.min_light or 0
local max_light = def.max_light or 15
local interval = def.interval or 30
local chance = def.chance or 5000
local active_object_count = def.active_object_count or 1
local min_height = def.min_height or -31000
local max_height = def.max_height or 31000
local day_toggle = def.day_toggle
local on_spawn = def.on_spawn
mobs:spawn_specific(name, nodes, neighbors, min_light, max_light, interval,
chance, active_object_count, min_height, max_height, day_toggle, on_spawn)
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end
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-- register arrow for shoot attack
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function mobs:register_arrow(name, def)
if not name or not def then return end -- errorcheck
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minetest.register_entity(name, {
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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,
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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,
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rotate = def.rotate,
automatic_face_movement_dir = def.rotate
and (def.rotate - (pi / 180)) or false,
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on_activate = def.on_activate,
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on_step = def.on_step or function(self, dtime)
self.timer = self.timer + 1
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local pos = self.object:get_pos()
if self.switch == 0
or self.timer > 150
or not within_limits(pos, 0) then
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mcl_burning.extinguish(self.object)
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self.object:remove();
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return
end
-- does arrow have a tail (fireball)
if def.tail
and def.tail == 1
and def.tail_texture then
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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,
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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
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self.object:remove();
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return
end
end
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if self.hit_player or self.hit_mob or self.hit_object then
for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.0)) do
if self.hit_player
and player:is_player() then
self.hit_player(self, player)
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self.object:remove();
return
end
local entity = player:get_luaentity()
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if entity
and self.hit_mob
and entity._cmi_is_mob == true
and tostring(player) ~= self.owner_id
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and entity.name ~= self.object:get_luaentity().name then
self.hit_mob(self, player)
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self.object:remove();
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return
end
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if entity
and self.hit_object
and (not entity._cmi_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
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end
})
end
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-- no damage to nodes explosion
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function mobs:safe_boom(self, pos, strength)
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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
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}, true)
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local radius = strength
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entity_physics(pos, radius)
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effect(pos, 32, "mcl_particles_smoke.png", radius * 3, radius * 5, radius, 1, 0)
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end
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-- make explosion with protection and tnt mod check
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function mobs:boom(self, pos, strength, fire)
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if mod_explosions then
if mobs_griefing and not minetest.is_protected(pos, "") then
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mcl_explosions.explode(pos, strength, { drop_chance = 1.0, fire = fire }, self.object)
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else
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mobs:safe_boom(self, pos, strength)
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end
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else
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mobs:safe_boom(self, pos, strength)
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end
end
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-- 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 mobs:register_egg(mob, desc, background, addegg, no_creative)
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local grp = {spawn_egg = 1}
-- do NOT add this egg to creative inventory (e.g. dungeon master)
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if no_creative == true then
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grp.not_in_creative_inventory = 1
end
local invimg = background
if addegg == 1 then
invimg = "mobs_chicken_egg.png^(" .. invimg ..
"^[mask:mobs_chicken_egg_overlay.png)"
end
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-- register old stackable mob egg
minetest.register_craftitem(mob, {
description = desc,
inventory_image = invimg,
groups = grp,
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_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."),
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on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above
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-- 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]
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if def and def.on_rightclick then
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return def.on_rightclick(pointed_thing.under, under, placer, itemstack)
end
if pos
and within_limits(pos, 0)
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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 mod_mobspawners and 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())
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if not mobs.is_creative(name) then
itemstack:take_item()
end
return itemstack
end
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if not minetest.registered_entities[mob] then
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return itemstack
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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
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pos.y = pos.y - 0.5
local mob = minetest.add_entity(pos, mob)
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minetest.log("action", "Mob spawned: "..name.." at "..minetest.pos_to_string(pos))
local ent = mob:get_luaentity()
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-- don't set owner if monster or sneak pressed
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if ent.type ~= "monster"
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and not placer:get_player_control().sneak then
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ent.owner = placer:get_player_name()
ent.tamed = true
end
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2018-02-04 07:11:44 +01:00
-- 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
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if not mobs.is_creative(placer:get_player_name()) then
itemstack:take_item()
end
end
return itemstack
end,
})
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end
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-- No-op in MCL2 (capturing mobs is not possible).
-- Provided for compability with Mobs Redo
function mobs:capture_mob(self, clicker, chance_hand, chance_net, chance_lasso, force_take, replacewith)
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return false
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end
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-- No-op in MCL2 (protecting mobs is not possible).
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function mobs:protect(self, clicker)
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return false
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end
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-- feeding, taming and breeding (thanks blert2112)
function mobs:feed_tame(self, clicker, feed_count, breed, tame)
if not self.follow then
return false
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end
-- can eat/tame with item in hand
if follow_holding(self, clicker) then
-- if not in creative then take item
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if not mobs.is_creative(clicker:get_player_name()) then
local item = clicker:get_wielded_item()
item:take_item()
clicker:set_wielded_item(item)
end
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mob_sound(self, "eat", nil, true)
-- increase health
self.health = self.health + 4
if self.health >= self.hp_max then
self.health = self.hp_max
if self.htimer < 1 then
self.htimer = 5
end
end
self.object:set_hp(self.health)
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update_tag(self)
-- make children grow quicker
if self.child == true then
-- deduct 10% of the time to adulthood
self.hornytimer = self.hornytimer + ((CHILD_GROW_TIME - self.hornytimer) * 0.1)
return true
end
-- feed and tame
self.food = (self.food or 0) + 1
if self.food >= feed_count then
self.food = 0
if breed and self.hornytimer == 0 then
self.horny = true
end
if tame then
self.tamed = true
if not self.owner or self.owner == "" then
self.owner = clicker:get_player_name()
end
end
-- make sound when fed so many times
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mob_sound(self, "random", true)
end
return true
end
return false
end
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-- Spawn a child
function 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()
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effect(pos, 15, "mcl_particles_smoke.png", 1, 2, 2, 15, 5)
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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,
},
})
return child
end
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-- compatibility function for old entities to new modpack entities
function mobs:alias_mob(old_name, new_name)
-- spawn egg
minetest.register_alias(old_name, new_name)
-- entity
minetest.register_entity(":" .. old_name, {
physical = false,
on_step = function(self)
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if minetest.registered_entities[new_name] then
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minetest.add_entity(self.object:get_pos(), new_name)
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end
self.object:remove()
end
})
end
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local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
if timer < 1 then return end
for _, player in ipairs(minetest.get_connected_players()) do
local pos = player:get_pos()
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for _, obj in ipairs(minetest.get_objects_inside_radius(pos, 47)) do
local lua = obj:get_luaentity()
if lua and lua._cmi_is_mob then
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lua.lifetimer = math.max(20, lua.lifetimer)
lua.despawn_immediately = false
end
end
end
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timer = 0
end)