MineClone2/mods/mobs_mc/api-mm-mcmods.lua

3011 lines
62 KiB
Lua

--esmobs v1.3
--maikerumine
--made for Extreme Survival game
--License for code WTFPL
-- Mobs Api (12th May 2016)
--REVISED 20160516 maikerumine for esmobs
mobs = {}
mobs.mod = "redo"
-- Load settings
local damage_enabled = minetest.setting_getbool("enable_damage")
local peaceful_only = minetest.setting_getbool("only_peaceful_mobs")
local disable_blood = minetest.setting_getbool("mobs_disable_blood")
local creative = minetest.setting_getbool("creative_mode")
local spawn_protected = tonumber(minetest.setting_get("mobs_spawn_protected")) or 1
local remove_far = minetest.setting_getbool("remove_far_mobs")
-- pathfinding settings
local enable_pathfinding = false
local enable_pathfind_digging = false
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
--bones settings maikerumine bones code
local enable_mob_bones = true
local enable_mob_allbones = false
-- internal functions
local pi = math.pi
local square = math.sqrt
local atan = function(x)
if x ~= x then
--error("atan bassed NaN")
print ("atan based NaN")
return 0
else
return math.atan(x)
end
end
do_attack = function(self, player)
if self.state ~= "attack" then
if math.random(0,100) < 90
and self.sounds.war_cry then
minetest.sound_play(self.sounds.war_cry,{
object = self.object,
max_hear_distance = self.sounds.distance
})
end
self.state = "attack"
self.attack = player
end
end
set_velocity = function(self, v)
v = v or 0
local yaw = (self.object:getyaw() + self.rotate) or 0
self.object:setvelocity({
x = math.sin(yaw) * -v,
y = self.object:getvelocity().y,
z = math.cos(yaw) * v
})
end
get_velocity = function(self)
local v = self.object:getvelocity()
return (v.x * v.x + v.z * v.z) ^ 0.5
end
set_animation = function(self, type)
if not self.animation then
return
end
self.animation.current = self.animation.current or ""
self.animation.speed_normal = self.animation.speed_normal or 15
if type == "stand"
and self.animation.current ~= "stand" then
if self.animation.stand_start
and self.animation.stand_end then
self.object:set_animation({
x = self.animation.stand_start,
y = self.animation.stand_end},
(self.animation.speed_stand or self.animation.speed_normal), 0)
self.animation.current = "stand"
end
elseif type == "walk"
and self.animation.current ~= "walk" then
if self.animation.walk_start
and self.animation.walk_end then
self.object:set_animation({
x = self.animation.walk_start,
y = self.animation.walk_end},
(self.animation.speed_walk or self.animation.speed_normal), 0)
self.animation.current = "walk"
end
elseif type == "run"
and self.animation.current ~= "run" then
if self.animation.run_start
and self.animation.run_end then
self.object:set_animation({
x = self.animation.run_start,
y = self.animation.run_end},
(self.animation.speed_run or self.animation.speed_normal), 0)
self.animation.current = "run"
end
elseif type == "punch"
and self.animation.current ~= "punch" then
if self.animation.punch_start
and self.animation.punch_end then
self.object:set_animation({
x = self.animation.punch_start,
y = self.animation.punch_end},
(self.animation.speed_punch or self.animation.speed_normal), 0)
self.animation.current = "punch"
end
elseif type == "punch2"
and self.animation.current ~= "punch2" then
if self.animation.punch2_start
and self.animation.punch2_end then
self.object:set_animation({
x = self.animation.punch2_start,
y = self.animation.punch2_end},
(self.animation.speed_punch2 or self.animation.speed_normal), 0)
self.animation.current = "punch2"
end
elseif type == "shoot"
and self.animation.current ~= "shoot" then
if self.animation.shoot_start
and self.animation.shoot_end then
self.object:set_animation({
x = self.animation.shoot_start,
y = self.animation.shoot_end},
(self.animation.speed_shoot or self.animation.speed_normal), 0)
self.animation.current = "shoot"
end
end
end
-- check line of sight for walkers and swimmers alike
function line_of_sight_water(self, pos1, pos2, stepsize)
local s, pos_w = minetest.line_of_sight(pos1, pos2, stepsize)
-- normal walking and flying mobs can see you through air
if s == true then
return true
end
-- swimming mobs can see you through water
if s == false
and self.fly
and self.fly_in == "default:water_source" then
local nod = minetest.get_node(pos_w).name
if nod == "default:water_source"
or nod == "default:water_flowing" then
return true
end
end
return false
end
-- particle effects
function effect(pos, amount, texture, max_size, radius)
radius = radius or 2
minetest.add_particlespawner({
amount = amount,
time = 0.25,
minpos = pos,
maxpos = pos,
minvel = {x = -radius, y = -radius, z = -radius},
maxvel = {x = radius, y = radius, z = radius},
minacc = {x = -radius, y = -radius, z = -radius},
maxacc = {x = radius, y = radius, z = radius},
minexptime = 0.1,
maxexptime = 1,
minsize = 0.5,
maxsize = (max_size or 1),
texture = texture,
})
end
-- update nametag colour
function update_tag(self)
local col = "#00FF00"
local qua = self.hp_max / 4
if self.health <= math.floor(qua * 3) then
col = "#FFFF00"
end
if self.health <= math.floor(qua * 2) then
col = "#FF6600"
end
if self.health <= math.floor(qua) then
col = "#FF0000"
end
self.object:set_properties({
nametag = self.nametag,
nametag_color = col
})
end
-- check if mob is dead or only hurt
function check_for_death(self)
-- has health actually changed?
if self.health == self.old_health then
return
end
self.old_health = self.health
-- still got some health? play hurt sound
if self.health > 0 then
if self.sounds.damage then
minetest.sound_play(self.sounds.damage,{
object = self.object,
gain = 1.0,
max_hear_distance = self.sounds.distance
})
end
-- make sure health isn't higher than max
if self.health > self.hp_max then
self.health = self.hp_max
end
update_tag(self)
return false
end
-- drop items when dead
local obj
local pos = self.object:getpos()
for _,drop in pairs(self.drops) do
if math.random(1, drop.chance) == 1 then
obj = minetest.add_item(pos,
ItemStack(drop.name .. " "
.. math.random(drop.min, drop.max)))
if obj then
obj:setvelocity({
x = math.random(-1, 1),
y = 9,
z = math.random(-1, 1)
})
end
end
end
-- play death sound
if self.sounds.death then
minetest.sound_play(self.sounds.death,{
object = self.object,
gain = 1.0,
max_hear_distance = self.sounds.distance
})
end
-- execute custom death function
if self.on_die then
self.on_die(self, pos)
end
self.object:remove()
return true
end
-- check if within map limits (-30911 to 30927)
function within_limits(pos, radius)
if (pos.x - radius) > -30913
and (pos.x + radius) < 30928
and (pos.y - radius) > -30913
and (pos.y + radius) < 30928
and (pos.z - radius) > -30913
and (pos.z + radius) < 30928 then
return true -- within limits
end
return false -- beyond limits
end
-- is mob facing a cliff
local function is_at_cliff(self)
if self.fear_height == 0 then -- if 0, no falling protection!
return false
end
local yaw = self.object:getyaw()
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:getpos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
if 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}
, 1) then
return true
end
return false
end
-- get node but use fallback for nil or unknown
local function node_ok(pos, fallback)
fallback = fallback or "default:dirt"
local node = minetest.get_node_or_nil(pos)
if not node then
return minetest.registered_nodes[fallback]
end
if minetest.registered_nodes[node.name] then
return node
end
return minetest.registered_nodes[fallback]
end
-- environmental damage (water, lava, fire, light)
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
local pos = self.object:getpos()
self.time_of_day = minetest.get_timeofday()
-- remove mob if beyond map limits
if not within_limits(pos, 0) then
self.object:remove()
return
end
-- daylight above ground
if self.light_damage ~= 0
and pos.y > 0
and self.time_of_day > 0.2
and self.time_of_day < 0.8
and (minetest.get_node_light(pos) or 0) > 12 then
self.health = self.health - self.light_damage
effect(pos, 5, "tnt_smoke.png")
end
-- what is mob standing in?
pos.y = pos.y + self.collisionbox[2] + 0.1 -- foot level
self.standing_in = node_ok(pos, "air").name
--print ("standing in " .. self.standing_in)
if self.water_damage ~= 0
or self.lava_damage ~= 0 then
local nodef = minetest.registered_nodes[self.standing_in]
pos.y = pos.y + 1
-- water
if self.water_damage ~= 0
and nodef.groups.water then
self.health = self.health - self.water_damage
effect(pos, 5, "bubble.png")
end
-- lava or fire
if self.lava_damage ~= 0
and (nodef.groups.lava
or self.standing_in == "fire:basic_flame"
or self.standing_in == "fire:permanent_flame") then
self.health = self.health - self.lava_damage
effect(pos, 5, "fire_basic_flame.png")
end
end
check_for_death(self)
end
-- jump if facing a solid node (not fences or gates)
do_jump = function(self)
if self.fly
or self.child then
return
end
local pos = self.object:getpos()
-- what is mob standing on?
pos.y = pos.y + self.collisionbox[2] - 0.2
local nod = node_ok(pos)
--print ("standing on:", nod.name, pos.y)
if minetest.registered_nodes[nod.name].walkable == false then
return
end
-- where is front
local yaw = self.object:getyaw()
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
-- what is in front of mob?
local nod = node_ok({
x = pos.x + dir_x,
y = pos.y + 0.5,
z = pos.z + dir_z
})
-- thin blocks that do not need to be jumped
if nod.name == "default:snow" then
return
end
--print ("in front:", nod.name, pos.y + 0.5)
if (minetest.registered_items[nod.name].walkable
and not nod.name:find("fence")
and not nod.name:find("gate"))
or self.walk_chance == 0 then
local v = self.object:getvelocity()
v.y = self.jump_height + 1
v.x = v.x * 2.2
v.z = v.z * 2.2
self.object:setvelocity(v)
if self.sounds.jump then
minetest.sound_play(self.sounds.jump, {
object = self.object,
gain = 1.0,
max_hear_distance = self.sounds.distance
})
end
else
if self.state ~= "attack" then
self.state = "stand"
set_animation(self, "stand")
end
end
end
-- this is a faster way to calculate distance
local get_distance = function(a, b)
local x, y, z = a.x - b.x, a.y - b.y, a.z - b.z
return square(x * x + y * y + z * z)
end
-- blast damage to entities nearby (modified from TNT mod)
function entity_physics(pos, radius)
radius = radius * 2
local objs = minetest.get_objects_inside_radius(pos, radius)
local obj_pos, dist
for _, obj in pairs(objs) do
obj_pos = obj:getpos()
dist = math.max(1, get_distance(pos, obj_pos))
local damage = math.floor((4 / dist) * radius)
local ent = obj:get_luaentity()
if obj:is_player() then
obj:set_hp(obj:get_hp() - damage)
else --if ent.health then
obj:punch(obj, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = damage},
}, nil)
end
end
end
-- should mob follow what I'm holding ?
function follow_holding(self, clicker)
local item = clicker:get_wielded_item()
local t = type(self.follow)
-- single item
if t == "string"
and item:get_name() == self.follow then
return true
-- multiple items
elseif t == "table" then
for no = 1, #self.follow do
if self.follow[no] == item:get_name() then
return true
end
end
end
return false
end
-- find two animals of same type and breed if nearby and horny
local function breed(self)
-- child take 240 seconds before growing into adult
if self.child == true then
self.hornytimer = self.hornytimer + 1
if self.hornytimer > 240 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,
})
-- jump when fully grown so not to fall into ground
self.object:setvelocity({
x = 0,
y = self.jump_height,
z = 0
})
end
return
end
-- horny animal can mate for 40 seconds,
-- afterwards horny animal cannot mate again for 200 seconds
if self.horny == true
and self.hornytimer < 240 then
self.hornytimer = self.hornytimer + 1
if self.hornytimer >= 240 then
self.hornytimer = 0
self.horny = false
end
end
-- find another same animal who is also horny and mate if close enough
if self.horny == true
and self.hornytimer <= 40 then
local pos = self.object:getpos()
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 4, "heart.png")
local ents = minetest.get_objects_inside_radius(pos, 3)
local num = 0
local ent = nil
for i, obj in pairs(ents) do
ent = obj: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 <= 40 then
num = num + 1
end
-- found your mate? then have a baby
if num > 1 then
self.hornytimer = 41
ent.hornytimer = 41
-- spawn baby
minetest.after(5, function(dtime)
local mob = minetest.add_entity(pos, self.name)
local ent2 = mob:get_luaentity()
local textures = self.base_texture
if self.child_texture then
textures = self.child_texture[1]
end
mob:set_properties({
textures = textures,
visual_size = {
x = self.base_size.x / 2,
y = self.base_size.y / 2
},
collisionbox = {
self.base_colbox[1] / 2,
self.base_colbox[2] / 2,
self.base_colbox[3] / 2,
self.base_colbox[4] / 2,
self.base_colbox[5] / 2,
self.base_colbox[6] / 2
},
})
ent2.child = true
ent2.tamed = true
ent2.owner = self.owner
end)
num = 0
break
end
end
end
end
-- find and replace what mob is looking for (grass, wheat etc.)
function replace(self, pos)
if self.replace_rate
and self.child == false
and math.random(1, self.replace_rate) == 1 then
local pos = self.object:getpos()
pos.y = pos.y + self.replace_offset
-- print ("replace node = ".. minetest.get_node(pos).name, pos.y)
if self.replace_what
and self.replace_with
and self.object:getvelocity().y == 0
and #minetest.find_nodes_in_area(pos, pos, self.replace_what) > 0 then
minetest.set_node(pos, {name = self.replace_with})
-- when cow/sheep eats grass, replace wool and milk
if self.gotten == true then
self.gotten = false
self.object:set_properties(self)
end
end
end
end
-- check if daytime and also if mob is docile during daylight hours
function day_docile(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
-- path finding and smart mob routine by rnd
function smart_mobs(self, s, p, dist, dtime)
local s1 = self.path.lastpos
-- is it becoming stuck?
if math.abs(s1.x - s.x) + math.abs(s1.z - s.z) < 1.5 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}
-- im stuck, search for path
if (self.path.stuck_timer > stuck_timeout and not self.path.following)
or (self.path.stuck_timer > stuck_path_timeout
and self.path.following) then
self.path.stuck_timer = 0
-- 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 = math.floor(s.x + 0.5)
s.y = math.floor(s.y + 0.5) - sheight
s.z = math.floor(s.z + 0.5)
local ssight, sground
ssight, sground = minetest.line_of_sight(s, {
x = s.x, y = s.y - 4, z = s.z}, 1)
-- determine node above ground
if not ssight then
s.y = sground.y + 1
end
local p1 = self.attack:getpos()
p1.x = math.floor(p1.x + 0.5)
p1.y = math.floor(p1.y + 0.5)
p1.z = math.floor(p1.z + 0.5)
self.path.way = minetest.find_path(s, p1, 16, 2, 6, "Dijkstra") --"A*_noprefetch")
-- attempt to unstick mob that is "daydreaming"
self.object:setpos({
x = s.x + 0.1 * (math.random() * 2 - 1),
y = s.y + 1,
z = s.z + 0.1 * (math.random() * 2 - 1)
})
self.state = ""
do_attack(self, self.attack)
-- no path found, try something else
if not self.path.way then
self.path.following = false
-- self.path.stuck = true
-- lets make way by digging/building if not accessible
if enable_pathfind_digging then
-- add block and remove one block above so
-- there is room to jump if needed
if s.y < p1.y then
if not minetest.is_protected(s, "") then
minetest.set_node(s, {name = "default:dirt"})
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
if not minetest.is_protected(s, "") then
local node1 = minetest.get_node(s).name
if node1 ~= "air"
and node1 ~= "ignore" then
minetest.set_node(s, {name = "air"})
minetest.add_item(s, ItemStack(node1))
end
end
s.y = s.y - sheight
self.object:setpos({x = s.x, y = s.y + 2, z = s.z})
else -- dig 2 blocks to make door toward player direction
local yaw1 = self.object:getyaw() + pi / 2
local p1 = {
x = s.x + math.cos(yaw1),
y = s.y,
z = s.z + math.sin(yaw1)
}
if not minetest.is_protected(p1, "") then
local node1 = minetest.get_node(p1).name
if node1 ~= "air"
and node1 ~= "ignore" then
minetest.add_item(p1, ItemStack(node1))
minetest.set_node(p1, {name = "air"})
end
p1.y = p1.y + 1
node1 = minetest.get_node(p1).name
if node1 ~= "air"
and node1 ~= "ignore" then
minetest.add_item(p1, ItemStack(node1))
minetest.set_node(p1, {name = "air"})
end
end
end
end
-- will try again in 2 second
self.path.stuck_timer = stuck_timeout - 2
-- frustration! cant find the damn path :(
if self.sounds.random then
minetest.sound_play(self.sounds.random, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
else
-- yay i found path
if self.sounds.attack then
set_velocity(self, self.walk_velocity)
minetest.sound_play(self.sounds.attack, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
-- follow path now that it has it
self.path.following = true
end
end
end
-- monster find someone to attack
local monster_attack = function(self)
if self.type ~= "monster"
or not damage_enabled
or self.state == "attack"
or day_docile(self) then
return
end
local s = self.object:getpos()
local p, sp, dist
local player, type, obj, min_player = nil, nil, nil, nil
local min_dist = self.view_range + 1
for _,oir in pairs(minetest.get_objects_inside_radius(s, self.view_range)) do
if oir:is_player() then
player = oir
type = "player"
else
obj = oir:get_luaentity()
if obj then
player = obj.object
type = obj.type
end
end
if type == "player"
or type == "npc" then
s = self.object:getpos()
p = player:getpos()
sp = s
-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
dist = get_distance(p, s)
if dist < self.view_range then
-- field of view check goes here
-- choose closest player to attack
--if minetest.line_of_sight(sp, p, 2) == true
if line_of_sight_water(self, sp, p, 2) == true
and dist < min_dist then
min_dist = dist
min_player = player
end
end
end
end
-- attack player
if min_player then
do_attack(self, min_player)
end
end
-- npc, find closest monster to attack
local npc_attack = function(self)
if self.type ~= "npc"
or not self.attacks_monsters
or self.state == "attack" then
return
end
local s = self.object:getpos()
local min_dist = self.view_range + 1
local obj, min_player = nil, nil
for _, oir in pairs(minetest.get_objects_inside_radius(s, self.view_range)) do
obj = oir:get_luaentity()
if obj
and obj.type == "monster" then
p = obj.object:getpos()
dist = get_distance(p, s)
if dist < min_dist then
min_dist = dist
min_player = obj.object
end
end
end
if min_player then
do_attack(self, min_player)
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.state ~= "runaway" then
local s, p, dist
for _,player in pairs(minetest.get_connected_players()) do
s = self.object:getpos()
p = player:getpos()
dist = get_distance(p, s)
if dist < self.view_range then
self.following = player
break
end
end
end
if self.type == "npc"
and self.order == "follow"
and self.state ~= "attack"
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
if self.following
and self.following:is_player()
and follow_holding(self, self.following) == false then
self.following = nil
end
end
-- follow that thing
if self.following then
local s = self.object:getpos()
local p
if self.following:is_player() then
p = self.following:getpos()
elseif self.following.object then
p = self.following.object:getpos()
end
if p then
local dist = get_distance(p, s)
-- dont follow if out of range
if dist > self.view_range then
self.following = nil
else
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then
yaw = yaw + pi
end
self.object:setyaw(yaw)
end
-- anyone but standing npc's can move along
if dist > self.reach
and self.order ~= "stand" then
if (self.jump
and get_velocity(self) <= 0.5
and self.object:getvelocity().y == 0)
or (self.object:getvelocity().y == 0
and self.jump_chance > 0) then
do_jump(self)
end
set_velocity(self, self.walk_velocity)
if self.walk_chance ~= 0 then
set_animation(self, "walk")
end
else
set_velocity(self, 0)
set_animation(self, "stand")
end
return
end
end
end
-- water swimmers flop when on land
if self.fly
and self.fly_in == "default:water_source"
and self.standing_in ~= self.fly_in then
self.state = "flop"
self.object:setvelocity({x = 0, y = -5, z = 0})
set_animation(self, "stand")
return
end
end
-- dogshoot attack switch and counter function
local dogswitch = function(self, dtime)
-- switch mode not activated
if not self.dogshoot_switch
or not dtime then
return 0
end
self.dogshoot_count = self.dogshoot_count + dtime
if self.dogshoot_count > self.dogshoot_count_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)
local do_states = function(self, dtime)
local yaw = 0
if self.state == "stand" then
if math.random(1, 4) == 1 then
local lp = nil
local s = self.object:getpos()
if self.type == "npc" then
local o = minetest.get_objects_inside_radius(self.object:getpos(), 3)
for _,o in pairs(o) do
if o:is_player() then
lp = o:getpos()
break
end
end
end
-- look at any players nearby, otherwise turn randomly
if lp then
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
end
else
yaw = (math.random(0, 360) - 180) / 180 * pi
end
self.object:setyaw(yaw)
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
and math.random(1, 100) <= self.walk_chance
and is_at_cliff(self) == false then
set_velocity(self, self.walk_velocity)
self.state = "walk"
set_animation(self, "walk")
end
end
elseif self.state == "walk" then
local s = self.object:getpos()
local lp = minetest.find_node_near(s, 1, {"group:water"})
-- if water nearby then turn away
if lp then
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
yaw = atan(vec.z / vec.x) + 3 * pi / 2 - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
self.object:setyaw(yaw)
end
-- otherwise randomly turn
elseif math.random(1, 100) <= 30 then
local yaw = (math.random(0, 360) - 180) / 180 * pi
self.object:setyaw(yaw)
end
-- stand for great fall in front
local temp_is_cliff = is_at_cliff(self)
-- jump when walking comes to a halt
if temp_is_cliff == false
and self.jump
and get_velocity(self) <= 0.5
and self.object:getvelocity().y == 0 then
do_jump(self)
end
if temp_is_cliff
or math.random(1, 100) <= 30 then
set_velocity(self, 0)
self.state = "stand"
set_animation(self, "stand")
else
set_velocity(self, self.walk_velocity)
set_animation(self, "walk")
end
-- runaway when punched
elseif self.state == "runaway" then
self.runaway_timer = self.runaway_timer + 1
-- stop after 3 seconds or when at cliff
if self.runaway_timer > 3
or is_at_cliff(self) then
self.runaway_timer = 0
set_velocity(self, 0)
self.state = "stand"
set_animation(self, "stand")
else
set_velocity(self, self.run_velocity)
set_animation(self, "walk")
end
-- jump when walking comes to a halt
if self.jump
and get_velocity(self) <= 0.5
and self.object:getvelocity().y == 0 then
do_jump(self)
end
-- attack routines (explode, dogfight, shoot, dogshoot)
elseif self.state == "attack" then
-- calculate distance from mob and enemy
local s = self.object:getpos()
local p = self.attack:getpos() or s
local dist = get_distance(p, s)
-- stop attacking if player or out of range
if dist > self.view_range
or not self.attack
or not self.attack:getpos()
or self.attack:get_hp() <= 0 then
--print(" ** stop attacking **", dist, self.view_range)
self.state = "stand"
set_velocity(self, 0)
set_animation(self, "stand")
self.attack = nil
self.v_start = false
self.timer = 0
self.blinktimer = 0
return
end
if self.attack_type == "explode" then
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
yaw = atan(vec.z / vec.x) + pi / 2 - self.rotate
if p.x > s.x then
yaw = yaw + pi
end
self.object:setyaw(yaw)
end
if dist > self.reach then
if not self.v_start then
self.v_start = true
set_velocity(self, self.run_velocity)
self.timer = 0
self.blinktimer = 0
else
self.timer = 0
self.blinktimer = 0
if get_velocity(self) <= 0.5
and self.object:getvelocity().y == 0 then
local v = self.object:getvelocity()
v.y = 5
self.object:setvelocity(v)
end
set_velocity(self, self.run_velocity)
end
set_animation(self, "run")
else
set_velocity(self, 0)
set_animation(self, "punch")
self.timer = self.timer + dtime
self.blinktimer = (self.blinktimer or 0) + dtime
if self.blinktimer > 0.2 then
self.blinktimer = 0
if self.blinkstatus then
self.object:settexturemod("")
else
self.object:settexturemod("^[brighten")
end
self.blinkstatus = not self.blinkstatus
end
if self.timer > 3 then
local pos = self.object:getpos()
local radius = self.explosion_radius or 1
-- hurt player/mobs caught in blast area
entity_physics(pos, radius)
-- dont damage anything if area protected or next to water
if minetest.find_node_near(pos, 1, {"group:water"})
or minetest.is_protected(pos, "") then
if self.sounds.explode then
minetest.sound_play(self.sounds.explode, {
object = self.object,
gain = 1.0,
max_hear_distance = 16
})
end
self.object:remove()
effect(pos, 15, "tnt_smoke.png", 5)
return
end
pos.y = pos.y - 1
mobs:explosion(pos, radius, 0, 1, self.sounds.explode)
self.object:remove()
return
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 nod = node_ok(s)
local p1 = s
local me_y = math.floor(p1.y)
local p2 = p
local p_y = math.floor(p2.y + 1)
local v = self.object:getvelocity()
if nod.name == self.fly_in then
if me_y < p_y then
self.object:setvelocity({
x = v.x,
y = 1 * self.walk_velocity,
z = v.z
})
elseif me_y > p_y then
self.object:setvelocity({
x = v.x,
y = -1 * self.walk_velocity,
z = v.z
})
end
else
if me_y < p_y then
self.object:setvelocity({
x = v.x,
y = 0.01,
z = v.z
})
elseif me_y > p_y then
self.object:setvelocity({
x = v.x,
y = -0.01,
z = v.z
})
end
end
end
-- rnd: new movement direction
if self.path.following
and self.path.way
and self.attack_type ~= "dogshoot" then
-- no paths longer than 50
if #self.path.way > 50
or dist < self.reach then
self.path.following = false
return
end
local p1 = self.path.way[1]
if not p1 then
self.path.following = false
return
end
if math.abs(p1.x-s.x) + math.abs(p1.z - s.z) < 0.6 then
-- reached waypoint, remove it from queue
table.remove(self.path.way, 1)
end
-- set new temporary target
p = {x = p1.x, y = p1.y, z = p1.z}
end
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then
yaw = yaw + pi
end
self.object:setyaw(yaw)
end
-- move towards enemy if beyond mob reach
if dist > self.reach then
-- path finding by rnd
if self.pathfinding -- only if mob has pathfinding enabled
and enable_pathfinding then
smart_mobs(self, s, p, dist, dtime)
end
-- jump attack
if (self.jump
and get_velocity(self) <= 0.5
and self.object:getvelocity().y == 0)
or (self.object:getvelocity().y == 0
and self.jump_chance > 0) then
do_jump(self)
end
if is_at_cliff(self) then
set_velocity(self, 0)
set_animation(self, "stand")
else
if self.path.stuck then
set_velocity(self, self.walk_velocity)
else
set_velocity(self, self.run_velocity)
end
set_animation(self, "run")
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 math.random(1, 2) == 1 then
set_animation(self, "punch2")
else
set_animation(self, "punch")
end
local p2 = p
local s2 = s
p2.y = p2.y + 1.5
s2.y = s2.y + 1.5
--if minetest.line_of_sight(p2, s2) == true then
if line_of_sight_water(self, p2, s2) == true then
-- play attack sound
if self.sounds.attack then
minetest.sound_play(self.sounds.attack, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
-- punch player
self.attack:punch(self.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = self.damage}
}, nil)
end
end
else -- call custom attack every second
if self.custom_attack
and self.timer > 1 then
self.timer = 0
self.custom_attack(self, p)
end
end
end
elseif self.attack_type == "shoot"
or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 1)
or (self.attack_type == "dogshoot" and dist > self.reach and dogswitch(self) == 0) then
p.y = p.y - .5
s.y = s.y + .5
local dist = get_distance(p, s)
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
if p.x > s.x then
yaw = yaw + pi
end
self.object:setyaw(yaw)
end
set_velocity(self, 0)
if self.shoot_interval
and self.timer > self.shoot_interval
and math.random(1, 100) <= 60 then
self.timer = 0
set_animation(self, "shoot")
-- play shoot attack sound
if self.sounds.shoot_attack then
minetest.sound_play(self.sounds.shoot_attack, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
local p = self.object:getpos()
p.y = p.y + (self.collisionbox[2] + self.collisionbox[5]) / 2
local obj = minetest.add_entity(p, self.arrow)
local ent = obj:get_luaentity()
local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5
local v = ent.velocity or 1 -- or set to default --seems to be buggy mc
ent.switch = 1
-- offset makes shoot aim accurate
vec.y = vec.y + self.shoot_offset
vec.x = vec.x * (v / amount)
vec.y = vec.y * (v / amount)
vec.z = vec.z * (v / amount)
obj:setvelocity(vec)
end
end
end
end
-- falling and fall damage
local falling = function(self, pos)
if self.fly then
return
end
-- floating in water (or falling)
local v = self.object:getvelocity()
-- going up then apply gravity
if v.y > 0.1 then
self.object:setacceleration({
x = 0,
y = self.fall_speed,
z = 0
})
end
-- in water then float up
if minetest.registered_nodes[node_ok(pos).name].groups.liquid then
if self.floats == 1 then
self.object:setacceleration({
x = 0,
y = -self.fall_speed / (math.max(1, v.y) ^ 2),
z = 0
})
end
else
-- fall downwards
self.object:setacceleration({
x = 0,
y = self.fall_speed,
z = 0
})
-- fall damage
if self.fall_damage == 1
and self.object:getvelocity().y == 0 then
local d = self.old_y - self.object:getpos().y
if d > 5 then
self.health = self.health - math.floor(d - 5)
effect(pos, 5, "tnt_smoke.png")
if check_for_death(self) then
return
end
end
self.old_y = self.object:getpos().y
end
end
end
local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
-- direction error check
dir = dir or {x = 0, y = 0, z = 0}
-- weapon wear
local weapon = hitter:get_wielded_item()
local punch_interval = 1.4
-- calculate mob damage
local damage = 0
local armor = self.object:get_armor_groups() or {}
local tmp
-- quick error check incase it ends up 0 (serialize.h check test)
if tflp == 0 then
tflp = 0.2
end
for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do
tmp = tflp / (tool_capabilities.full_punch_interval or 1.4)
if tmp < 0 then
tmp = 0.0
elseif tmp > 1 then
tmp = 1.0
end
damage = damage + (tool_capabilities.damage_groups[group] or 0)
* tmp * ((armor[group] or 0) / 100.0)
end
-- check for tool immunity or special damage
for _, no in pairs(self.immune_to) do
if no[1] == weapon:get_name() then
damage = no[2] or 0
break
end
end
-- print ("Mob Damage is", damage)
-- add weapon wear
if tool_capabilities then
punch_interval = tool_capabilities.full_punch_interval or 1.4
end
if weapon:get_definition()
and weapon:get_definition().tool_capabilities then
weapon:add_wear(math.floor((punch_interval / 75) * 9000))
hitter:set_wielded_item(weapon)
end
-- weapon sounds
if weapon:get_definition().sounds ~= nil then
local s = math.random(0, #weapon:get_definition().sounds)
minetest.sound_play(weapon:get_definition().sounds[s], {
object = hitter,
max_hear_distance = 8
})
else
minetest.sound_play("default_punch", {
object = hitter,
max_hear_distance = 5
})
end
-- do damage
self.health = self.health - math.floor(damage)
-- exit here if dead
if check_for_death(self) then
return
end
-- add healthy afterglow when hit
core.after(0.1, function()
self.object:settexturemod("^[colorize:#c9900070")
core.after(0.3, function()
self.object:settexturemod("")
end)
end)
-- blood_particles
if self.blood_amount > 0
and not disable_blood then
local pos = self.object:getpos()
pos.y = pos.y + (-self.collisionbox[2] + self.collisionbox[5]) / 2
effect(pos, self.blood_amount, self.blood_texture)
end
-- knock back effect (only on full punch)
if self.knock_back > 0
and tflp > punch_interval then
local v = self.object:getvelocity()
local r = 1.4 - math.min(punch_interval, 1.4)
local kb = r * 5
local up = 2
-- if already in air then dont go up anymore when hit
if v.y > 0
or self.fly then
up = 0
end
self.object:setvelocity({
x = dir.x * kb,
y = up,
z = dir.z * kb
})
self.pause_timer = r
end
-- if skittish then run away
if self.runaway == true then
local lp = hitter:getpos()
local s = self.object:getpos()
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
if vec.x ~= 0
and vec.z ~= 0 then
local yaw = atan(vec.z / vec.x) + 3 * pi / 2 - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
self.object:setyaw(yaw)
end
self.state = "runaway"
self.runaway_timer = 0
self.following = nil
end
-- attack puncher and call other mobs for help
if self.passive == false
and self.state ~= "flop"
and self.child == false
and hitter:get_player_name() ~= self.owner then
-- attack whoever punched mob
self.state = ""
do_attack(self, hitter)
-- alert others to the attack
local obj = nil
for _, oir in pairs(minetest.get_objects_inside_radius(hitter:getpos(), 5)) do
obj = oir:get_luaentity()
if obj then
if obj.group_attack == true
and obj.state ~= "attack" then
do_attack(obj, hitter)
end
end
end
end
end
local mob_activate = function(self, staticdata, dtime_s, def)
-- remove monsters in peaceful mode, or when no data
if (self.type == "monster" and peaceful_only)
or not staticdata then
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
self.base_texture = def.textures[math.random(1, #def.textures)]
self.base_mesh = def.mesh
self.base_size = self.visual_size
self.base_colbox = self.collisionbox
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
-- 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 / 2,
y = self.base_size.y / 2
}
if def.child_texture then
textures = def.child_texture[1]
end
colbox = {
self.base_colbox[1] / 2,
self.base_colbox[2] / 2,
self.base_colbox[3] / 2,
self.base_colbox[4] / 2,
self.base_colbox[5] / 2,
self.base_colbox[6] / 2
}
end
if self.health == 0 then
self.health = math.random (self.hp_min, self.hp_max)
end
-- rnd: 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
-- end init
self.object:set_armor_groups({immortal = 1, fleshy = self.armor})
self.old_y = self.object:getpos().y
self.old_health = self.health
self.object:setyaw((math.random(0, 360) - 180) / 180 * pi)
self.sounds.distance = self.sounds.distance or 10
self.textures = textures
self.mesh = mesh
self.collisionbox = colbox
self.visual_size = vis_size
self.standing_in = ""
-- set anything changed above
self.object:set_properties(self)
update_tag(self)
end
local mob_step = function(self, dtime)
local pos = self.object:getpos()
local yaw = self.object:getyaw() or 0
-- when lifetimer expires remove mob (except npc and tamed)
if self.type ~= "npc"
and not self.tamed
and self.state ~= "attack"
and remove_far ~= true then
self.lifetimer = self.lifetimer - dtime
if self.lifetimer <= 0 then
-- only despawn away from player
local objs = minetest.get_objects_inside_radius(pos, 15)
for _,oir in pairs(objs) do
if oir:is_player() then
self.lifetimer = 20
return
end
end
minetest.log("action",
"lifetimer expired, removed " .. self.name)
effect(pos, 15, "tnt_smoke.png")
self.object:remove()
return
end
end
falling(self, pos)
-- knockback timer
if self.pause_timer > 0 then
self.pause_timer = self.pause_timer - dtime
if self.pause_timer < 1 then
self.pause_timer = 0
end
return
end
-- run custom function (defined in mob lua file)
if self.do_custom then
self.do_custom(self, dtime)
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
-- node replace check (cow eats grass etc.)
replace(self, pos)
-- mob plays random sound at times
if self.sounds.random
and math.random(1, 100) == 1 then
minetest.sound_play(self.sounds.random, {
object = self.object,
max_hear_distance = self.sounds.distance
})
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
do_env_damage(self)
end
monster_attack(self)
npc_attack(self)
breed(self)
follow_flop(self)
do_states(self, dtime)
--BREAK
-- ridable pigs
if self.name == "mobs:pig" and self.saddle == "yes" and self.driver then
local item = self.driver:get_wielded_item()
if item:get_name() == "mobs:carrotstick" then
local yaw = self.driver:get_look_yaw() - math.pi / 2
local velo = self.object:getvelocity()
local v = 1.5
if math.abs(velo.x) + math.abs(velo.z) < .6 then velo.y = 5 end
self.state = "walk"
self.object:setyaw(yaw)
self.object:setvelocity({x = -math.sin(yaw) * v, y = velo.y, z = math.cos(yaw) * v})
local inv = self.driver:get_inventory()
local stack = inv:get_stack("main", self.driver:get_wield_index())
stack:add_wear(100)
if stack:get_wear() > 65400 then
stack = {name = "fishing:pole_wood", count = 1}
end
inv:set_stack("main", self.driver:get_wield_index(), stack)
return
end
end
self.env_damage_timer = self.env_damage_timer + dtime
if self.state == "attack" and self.env_damage_timer > 1 then
self.env_damage_timer = 0
do_env_damage(self)
elseif self.state ~= "attack" then
do_env_damage(self)
end
--BREAK
end
-- default function when mobs are blown up with TNT
local do_tnt = function(obj, damage)
--print ("----- Damage", damage)
obj.object:punch(obj.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = damage},
}, nil)
return false, true, {}
end
mobs.spawning_mobs = {}
-- register mob function
function mobs:register_mob(name, def)
mobs.spawning_mobs[name] = true
minetest.register_entity(name, {
stepheight = def.stepheight or 0.6,
name = name,
type = def.type,
attack_type = def.attack_type,
fly = def.fly,
fly_in = def.fly_in or "air",
owner = def.owner or "",
order = def.order or "",
on_die = def.on_die,
do_custom = def.do_custom,
jump_height = def.jump_height or 6,
jump_chance = def.jump_chance or 0,
drawtype = def.drawtype, -- DEPRECATED, use rotate instead
rotate = math.rad(def.rotate or 0), -- 0=front, 90=side, 180=back, 270=side2
lifetimer = def.lifetimer or 180, -- 3 minutes
hp_min = def.hp_min or 5,
hp_max = def.hp_max or 10,
physical = true,
collisionbox = def.collisionbox,
visual = def.visual,
visual_size = def.visual_size or {x = 1, y = 1},
mesh = def.mesh,
textures = def.textures, -- maikerumine texture code
makes_footstep_sound = def.makes_footstep_sound or false,
view_range = def.view_range or 5,
walk_velocity = def.walk_velocity or 1,
run_velocity = def.run_velocity or 2,
damage = def.damage or 0,
light_damage = def.light_damage or 0,
water_damage = def.water_damage or 0,
lava_damage = def.lava_damage or 0,
fall_damage = def.fall_damage or 1,
fall_speed = def.fall_speed or -10, -- must be lower than -2 (default: -10)
drops = def.drops or {},
armor = def.armor,
on_rightclick = def.on_rightclick,
arrow = def.arrow,
shoot_interval = def.shoot_interval,
sounds = def.sounds or {},
animation = def.animation,
follow = def.follow,
jump = def.jump or true,
walk_chance = def.walk_chance or 50,
attacks_monsters = def.attacks_monsters or false,
group_attack = def.group_attack or false,
--fov = def.fov or 120,
passive = def.passive or false,
recovery_time = def.recovery_time or 0.5,
knock_back = def.knock_back or 3,
blood_amount = def.blood_amount or 5,
blood_texture = def.blood_texture or "mobs_blood.png",
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,
timer = 0,
env_damage_timer = 0, -- only used when state = "attack"
tamed = false,
pause_timer = 0,
horny = false,
hornytimer = 0,
child = false,
gotten = false,
health = 0,
reach = def.reach or 3,
htimer = 0,
child_texture = def.child_texture,
docile_by_day = def.docile_by_day or false,
time_of_day = 0.5,
fear_height = def.fear_height or 0,
runaway = def.runaway,
runaway_timer = 0,
pathfinding = def.pathfinding,
immune_to = def.immune_to or {},
explosion_radius = def.explosion_radius,
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,
on_blast = def.on_blast or do_tnt,
on_step = mob_step,
on_punch = mob_punch,
on_activate = function(self, staticdata, dtime_s)
mob_activate(self, staticdata, dtime_s, def)
end,
get_staticdata = function(self)
-- remove mob when out of range unless tamed
if remove_far
and self.remove_ok
and not self.tamed then
--print ("REMOVED " .. self.name)
self.object:remove()
return nil
end
self.remove_ok = true
self.attack = nil
self.following = nil
self.state = "stand"
-- used to rotate older mobs
if self.drawtype
and self.drawtype == "side" then
self.rotate = math.rad(90)
end
local tmp = {}
for _,stat in pairs(self) do
local t = type(stat)
if t ~= 'function'
and t ~= 'nil'
and t ~= 'userdata' then
tmp[_] = self[_]
end
end
-- print('===== '..self.name..'\n'.. dump(tmp)..'\n=====\n')
return minetest.serialize(tmp)
end,
})
end -- END mobs:register_mob function
-- global functions
function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light,
interval, chance, active_object_count, min_height, max_height, day_toggle)
-- chance override in minetest.conf for registered mob
local new_chance = tonumber(minetest.setting_get(name .. "_chance"))
if new_chance ~= nil then
if new_chance == 0 then
print("[Mobs Redo] " .. name .. " has spawning disabled")
return
end
chance = new_chance
print ("[Mobs Redo] Chance setting for " .. name .. " changed to " .. chance)
end
minetest.register_abm({
nodenames = nodes,
neighbors = neighbors,
interval = interval,
chance = chance,
catch_up = false,
action = function(pos, node, aoc, active_object_count_wider)
-- do not spawn if too many active entities in area
if active_object_count_wider > active_object_count
or not mobs.spawning_mobs[name] then
return
end
-- if toggle set to nil then ignore day/night check
if day_toggle ~= nil then
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
return
end
else
-- night time but mob wants day
if day_toggle == true then
return
end
end
end
-- spawn above node
pos.y = pos.y + 1
-- only spawn away from player
local objs = minetest.get_objects_inside_radius(pos, 10)
for _,oir in pairs(objs) do
if oir:is_player() then
return
end
end
-- mobs cannot spawn in protected areas when enabled
if spawn_protected == 1
and minetest.is_protected(pos, "") then
return
end
-- check if light and height levels are ok to spawn
local light = minetest.get_node_light(pos)
if not light
or light > max_light
or light < min_light
or pos.y > max_height
or pos.y < min_height then
return
end
-- are we spawning inside solid nodes?
if minetest.registered_nodes[node_ok(pos).name].walkable == true then
return
end
pos.y = pos.y + 1
if minetest.registered_nodes[node_ok(pos).name].walkable == true then
return
end
-- spawn mob half block higher than ground
pos.y = pos.y - 0.5
local mob = minetest.add_entity(pos, name)
if mob and mob:get_luaentity() then
-- print ("[mobs] Spawned " .. name .. " at "
-- .. minetest.pos_to_string(pos) .. " on "
-- .. node.name .. " near " .. neighbors[1])
else
print ("[mobs]" .. name .. " failed to spawn at "
.. minetest.pos_to_string(pos))
end
end
})
end
-- 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
-- set content id's
local c_air = minetest.get_content_id("air")
local c_ignore = minetest.get_content_id("ignore")
local c_obsidian = minetest.get_content_id("default:obsidian")
local c_brick = minetest.get_content_id("default:obsidianbrick")
local c_chest = minetest.get_content_id("default:chest_locked")
-- explosion (cannot break protected or unbreakable nodes)
function mobs:explosion(pos, radius, fire, smoke, sound)
radius = radius or 0
fire = fire or 0
smoke = smoke or 0
-- if area protected or near map limits then no blast damage
if minetest.is_protected(pos, "")
or not within_limits(pos, radius) then
return
end
-- explosion sound
if sound
and sound ~= "" then
minetest.sound_play(sound, {
pos = pos,
gain = 1.0,
max_hear_distance = 16
})
end
pos = vector.round(pos) -- voxelmanip doesn't work properly unless pos is rounded ?!?!
local vm = VoxelManip()
local minp, maxp = vm:read_from_map(vector.subtract(pos, radius), vector.add(pos, radius))
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
local p = {}
local pr = PseudoRandom(os.time())
for z = -radius, radius do
for y = -radius, radius do
local vi = a:index(pos.x + (-radius), pos.y + y, pos.z + z)
for x = -radius, radius do
p.x = pos.x + x
p.y = pos.y + y
p.z = pos.z + z
if (x * x) + (y * y) + (z * z) <= (radius * radius) + pr:next(-radius, radius)
and data[vi] ~= c_air
and data[vi] ~= c_ignore
and data[vi] ~= c_obsidian
and data[vi] ~= c_brick
and data[vi] ~= c_chest then
local n = node_ok(p).name
local on_blast = minetest.registered_nodes[n].on_blast
if on_blast then
return on_blast(p)
else
-- after effects
if fire > 0
and (minetest.registered_nodes[n].groups.flammable
or math.random(1, 100) <= 30) then
minetest.set_node(p, {name = "fire:basic_flame"})
else
minetest.set_node(p, {name = "air"})
if smoke > 0 then
effect(p, 2, "tnt_smoke.png", 5)
end
end
end
end
vi = vi + 1
end
end
end
end
-- register arrow for shoot attack
function mobs:register_arrow(name, def)
if not name or not def then return end -- errorcheck
minetest.register_entity(name, {
physical = false,
visual = def.visual,
visual_size = def.visual_size,
textures = def.textures,
velocity = def.velocity,
hit_player = def.hit_player,
hit_node = def.hit_node,
hit_mob = def.hit_mob,
drop = def.drop or false,
collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows
timer = 0,
switch = 0,
on_step = def.on_step or function(self, dtime)
self.timer = self.timer + 1
local pos = self.object:getpos()
if self.switch == 0
or self.timer > 150
or not within_limits(pos, 0) then
self.object:remove() ; -- print ("removed arrow")
return
end
-- does arrow have a tail (fireball)
if def.tail
and def.tail == 1
and def.tail_texture then
effect(pos, 1, def.tail_texture, 10, 0)
end
if self.hit_node then
local node = node_ok(pos).name
--if minetest.registered_nodes[node].walkable then
if node ~= "air" then
self.hit_node(self, pos, node)
if self.drop == true then
pos.y = pos.y + 1
self.lastpos = (self.lastpos or pos)
minetest.add_item(self.lastpos, self.object:get_luaentity().name)
end
self.object:remove() ; -- print ("hit node")
return
end
end
if (self.hit_player or self.hit_mob)
-- clear mob entity before arrow becomes active
and self.timer > (10 - (self.velocity / 2)) 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)
self.object:remove() ; -- print ("hit player")
return
end
if self.hit_mob
and player:get_luaentity()
and player:get_luaentity().name ~= self.object:get_luaentity().name
and player:get_luaentity().name ~= "__builtin:item"
and player:get_luaentity().name ~= "gauges:hp_bar"
and player:get_luaentity().name ~= "signs:text"
and player:get_luaentity().name ~= "itemframes:item" then
self.hit_mob(self, player)
self.object:remove() ; -- print ("hit mob")
return
end
end
end
self.lastpos = pos
end
})
end
-- Spawn Egg
function mobs:register_egg(mob, desc, background, addegg, no_creative)
local grp = {}
-- do NOT add this egg to creative inventory (e.g. dungeon master)
if creative and no_creative == true then
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
minetest.register_craftitem(mob, {
description = desc,
inventory_image = invimg,
groups = grp,
on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above
if pos
and within_limits(pos, 0)
and not minetest.is_protected(pos, placer:get_player_name()) then
pos.y = pos.y + 1
local mob = minetest.add_entity(pos, mob)
local ent = mob:get_luaentity()
if not ent then
mob:remove()
return
end
if ent.type ~= "monster" then
-- set owner and tame if not monster
ent.owner = placer:get_player_name()
ent.tamed = true
end
-- if not in creative then take item
if not creative then
itemstack:take_item()
end
end
return itemstack
end,
})
end
-- capture critter (thanks to blert2112 for idea)
function mobs:capture_mob(self, clicker, chance_hand, chance_net, chance_lasso, force_take, replacewith)
if not self.child
and clicker:is_player()
and clicker:get_inventory() then
-- get name of clicked mob
local mobname = self.name
-- if not nil change what will be added to inventory
if replacewith then
mobname = replacewith
end
local name = clicker:get_player_name()
-- is mob tamed?
if self.tamed == false
and force_take == false then
minetest.chat_send_player(name, "Not tamed!")
return
end
-- cannot pick up if not owner
if self.owner ~= name
and force_take == false then
minetest.chat_send_player(name, self.owner.." is owner!")
return
end
if clicker:get_inventory():room_for_item("main", mobname) then
-- was mob clicked with hand, net, or lasso?
local tool = clicker:get_wielded_item()
local chance = 0
if tool:is_empty() then
chance = chance_hand
elseif tool:get_name() == "mobs:net" then
chance = chance_net
tool:add_wear(4000) -- 17 uses
clicker:set_wielded_item(tool)
elseif tool:get_name() == "mobs:magic_lasso" then
chance = chance_lasso
tool:add_wear(650) -- 100 uses
clicker:set_wielded_item(tool)
end
-- return if no chance
if chance == 0 then return end
-- calculate chance.. add to inventory if successful?
if math.random(1, 100) <= chance then
clicker:get_inventory():add_item("main", mobname)
self.object:remove()
else
minetest.chat_send_player(name, "Missed!")
end
end
end
end
local mob_obj = {}
local mob_sta = {}
-- feeding, taming and breeding (thanks blert2112)
function mobs:feed_tame(self, clicker, feed_count, breed, tame)
if not self.follow then
return false
end
-- can eat/tame with item in hand
if follow_holding(self, clicker) then
-- if not in creative then take item
if not creative then
local item = clicker:get_wielded_item()
item:take_item()
clicker:set_wielded_item(item)
end
-- increase health
self.health = self.health + 4
if self.health >= self.hp_max then
self.health = self.hp_max
if self.htimer < 1 then
minetest.chat_send_player(clicker:get_player_name(),
self.name:split(":")[2]
.. " at full health (" .. tostring(self.health) .. ")")
self.htimer = 5
end
end
self.object:set_hp(self.health)
update_tag(self)
-- make children grow quicker
if self.child == true then
self.hornytimer = self.hornytimer + 20
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
self.gotten = false
if tame then
if self.tamed == false then
minetest.chat_send_player(clicker:get_player_name(),
self.name:split(":")[2]
.. " has been tamed!")
end
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
if self.sounds.random then
minetest.sound_play(self.sounds.random, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
end
return true
end
local item = clicker:get_wielded_item()
-- if mob has been tamed you can name it with a nametag
if item:get_name() == "mobs:nametag"
and clicker:get_player_name() == self.owner then
local name = clicker:get_player_name()
-- store mob and nametag stack in external variables
mob_obj[name] = self
mob_sta[name] = item
local tag = self.nametag or ""
local formspec = "size[8,4]"
.. default.gui_bg
.. default.gui_bg_img
.. "field[0.5,1;7.5,0;name;Enter name:;" .. tag .. "]"
.. "button_exit[2.5,3.5;3,1;mob_rename;Rename]"
minetest.show_formspec(name, "mobs_nametag", formspec)
end
return false
end
-- inspired by blockmen's nametag mod
minetest.register_on_player_receive_fields(function(player, formname, fields)
-- right-clicked with nametag and name entered?
if formname == "mobs_nametag"
and fields.name
and fields.name ~= "" then
local name = player:get_player_name()
if not mob_obj[name]
or not mob_obj[name].object then
return
end
-- update nametag
mob_obj[name].nametag = fields.name
update_tag(mob_obj[name])
-- if not in creative then take item
if not creative then
mob_sta[name]:take_item()
player:set_wielded_item(mob_sta[name])
end
-- reset external variables
mob_obj[name] = nil
mob_sta[name] = nil
end
end)
-- 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)
local pos = self.object:getpos()
minetest.add_entity(pos, new_name)
self.object:remove()
end
})
end
--Brandon Reese code to face pos
function mobs:face_pos(self,pos)
local s = self.object:getpos()
local vec = {x=pos.x-s.x, y=pos.y-s.y, z=pos.z-s.z}
local yaw = math.atan(vec.z/vec.x)+math.pi/2
if self.drawtype == "side" then
yaw = yaw+(math.pi/2)
end
if pos.x > s.x then
yaw = yaw+math.pi
end
self.object:setyaw(yaw)
return yaw
end
--Reese chat
local_chat = function(pos,text,radius)
if radius == nil then
radius = 25
end
if pos ~= nil then
local oir = minetest.get_objects_inside_radius(pos, radius)
for _,p in pairs(oir) do
if p:is_player() then
minetest.chat_send_player(p:get_player_name(),text)
end
end
end
end
--maikeruminefollow
function mobs:team_player(self,pos)
if tamed == true or
self.tamed == true then
self.order = "follow"
end
end