1685 lines
49 KiB
Lua
1685 lines
49 KiB
Lua
-- Mobs Api (9th August 2015)
|
|
mobs = {}
|
|
mobs.mod = "redo"
|
|
|
|
-- Initial settings check
|
|
local damage_enabled = minetest.setting_getbool("enable_damage") or false
|
|
local peaceful_only = minetest.setting_getbool("only_peaceful_mobs") or false
|
|
local enable_blood = minetest.setting_getbool("mobs_enable_blood") or false
|
|
|
|
mobs.protected = tonumber(minetest.setting_get("mobs_spawn_protected")) or 0
|
|
mobs.remove = minetest.setting_getbool("remove_far_mobs") or false
|
|
|
|
local function is_too_near_spawn(pos)
|
|
if minetest.is_singleplayer() or not minetest.setting_getbool("mobs_safe_spawn") then
|
|
return false
|
|
end
|
|
|
|
local sp = minetest.setting_get_pos("static_spawnpoint") or {x = 0, y = 0, z = 0}
|
|
local rad = minetest.setting_get("static_spawn_radius") or 256
|
|
|
|
return (vector.distance(pos, sp) < rad)
|
|
end
|
|
|
|
function mobs:register_mob(name, def)
|
|
minetest.register_entity(
|
|
name,
|
|
{
|
|
stepheight = def.stepheight or 0.6,
|
|
name = name,
|
|
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,
|
|
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,
|
|
collides_with_objects = def.collides_with_objects or true,
|
|
collisionbox = def.collisionbox,
|
|
visual = def.visual,
|
|
visual_size = def.visual_size or {x = 1, y = 1},
|
|
mesh = def.mesh,
|
|
makes_footstep_sound = def.makes_footstep_sound or false,
|
|
view_range = def.view_range or 5,
|
|
walk_velocity = def.walk_velocity or 1,
|
|
run_velocity = def.run_velocity or 2,
|
|
damage = def.damage,
|
|
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,
|
|
type = def.type,
|
|
explode_radius = def.explode_radius or 3,
|
|
attack_type = def.attack_type,
|
|
arrow = def.arrow,
|
|
shoot_interval = def.shoot_interval,
|
|
sounds = def.sounds or {},
|
|
animation = def.animation,
|
|
follow = def.follow or "",
|
|
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 if state = "attack"
|
|
attack = {player=nil, dist=nil},
|
|
state = "stand",
|
|
tamed = false,
|
|
pause_timer = 0,
|
|
horny = false,
|
|
hornytimer = 0,
|
|
child = false,
|
|
gotten = false,
|
|
health = 0,
|
|
on_replace = def.on_replace or nil,
|
|
on_spawn = def.on_spawn or nil,
|
|
check_fed = function(self, name, feed_count, breed) -- check if a mob is fed
|
|
self.food = (self.food or 0) + 1
|
|
|
|
-- make children grow quicker
|
|
if self.child == true then
|
|
self.hornytimer = self.hornytimer + 20
|
|
return true
|
|
end
|
|
|
|
-- feed and tame
|
|
if self.food >= feed_count then
|
|
self.food = 0
|
|
|
|
if breed and self.hornytimer == 0 then
|
|
self.horny = true
|
|
end
|
|
|
|
self.gotten = false
|
|
|
|
if (not self.tamed) and name ~= nil and (not self.owner) or self.owner == "" then
|
|
self.owner = name
|
|
self.tamed = true
|
|
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
|
|
end,
|
|
do_attack = function(self, player, dist)
|
|
if is_too_near_spawn(self.object:getpos()) then return end
|
|
|
|
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 = player
|
|
self.attack.dist = dist
|
|
end
|
|
end,
|
|
set_velocity = function(self, v)
|
|
v = (v or 0)
|
|
if def.drawtype
|
|
and def.drawtype == "side" then
|
|
self.rotate = math.rad(90)
|
|
end
|
|
|
|
local tmpyaw = self.object:getyaw()
|
|
local yaw = self.rotate
|
|
|
|
if tmpyaw ~= tmpyaw then -- It's a nan value
|
|
minetest.log("warning", "[mod:mobs] object:getyaw() nan shim used")
|
|
else
|
|
yaw = yaw + tmpyaw
|
|
end
|
|
|
|
local x = math.sin(yaw) * -v
|
|
local z = math.cos(yaw) * v
|
|
|
|
self.object:setvelocity({x = x, y = self.object:getvelocity().y, z = z})
|
|
end,
|
|
get_velocity = function(self)
|
|
local v = self.object:getvelocity()
|
|
return (v.x ^ 2 + v.z ^ 2) ^ (0.5)
|
|
end,
|
|
--[[
|
|
in_fov = function(self,pos)
|
|
-- checks if POS is in self's FOV
|
|
local yaw = self.object:getyaw() + self.rotate
|
|
local vx = math.sin(yaw)
|
|
local vz = math.cos(yaw)
|
|
local ds = math.sqrt(vx ^ 2 + vz ^ 2)
|
|
local ps = math.sqrt(pos.x ^ 2 + pos.z ^ 2)
|
|
local d = { x = vx / ds, z = vz / ds }
|
|
local p = { x = pos.x / ps, z = pos.z / ps }
|
|
local an = ( d.x * p.x ) + ( d.z * p.z )
|
|
|
|
a = math.deg( math.acos( an ) )
|
|
|
|
if a > ( self.fov / 2 ) then
|
|
return false
|
|
else
|
|
return true
|
|
end
|
|
end,--]]
|
|
set_animation = function(self, type)
|
|
if not self.animation then
|
|
return
|
|
end
|
|
|
|
if not self.animation.current then
|
|
self.animation.current = ""
|
|
end
|
|
|
|
if type == "stand"
|
|
and self.animation.current ~= "stand" then
|
|
if self.animation.stand_start
|
|
and self.animation.stand_end
|
|
and self.animation.speed_normal then
|
|
self.object:set_animation({
|
|
x = self.animation.stand_start,
|
|
y = self.animation.stand_end},
|
|
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
|
|
and self.animation.speed_normal then
|
|
self.object:set_animation({
|
|
x = self.animation.walk_start,
|
|
y = self.animation.walk_end},
|
|
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
|
|
and self.animation.speed_run then
|
|
self.object:set_animation({
|
|
x = self.animation.run_start,
|
|
y = self.animation.run_end},
|
|
self.animation.speed_run, 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
|
|
and self.animation.speed_normal then
|
|
self.object:set_animation({
|
|
x = self.animation.punch_start,
|
|
y = self.animation.punch_end},
|
|
self.animation.speed_normal, 0)
|
|
self.animation.current = "punch"
|
|
end
|
|
end
|
|
end,
|
|
on_step = function(self, dtime)
|
|
|
|
if self.type == "monster"
|
|
and peaceful_only then
|
|
self.object:remove()
|
|
return
|
|
end
|
|
|
|
-- if lifetimer run out and not npc; tamed or attacking then remove mob
|
|
if self.type ~= "npc"
|
|
and not self.tamed then
|
|
self.lifetimer = self.lifetimer - dtime
|
|
if self.lifetimer <= 0
|
|
and self.state ~= "attack" then
|
|
minetest.log("action","lifetimer expired, removed "..self.name)
|
|
effect(self.object:getpos(), 15, "tnt_smoke.png")
|
|
self.object:remove()
|
|
return
|
|
end
|
|
end
|
|
|
|
-- check for mob drop/replace (used for chicken egg and sheep eating grass/wheat)
|
|
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.object:getvelocity().y == 0 and #minetest.find_nodes_in_area(pos, pos, self.replace_what) > 0 then
|
|
--and self.state == "stand" then
|
|
if self.on_replace ~= nil then
|
|
self.on_replace(self, pos)
|
|
else
|
|
minetest.set_node(pos, {name = self.replace_with})
|
|
end
|
|
end
|
|
end
|
|
|
|
local yaw = 0
|
|
|
|
if not self.fly then
|
|
-- floating in water (or falling)
|
|
local pos = self.object:getpos()
|
|
local nod = minetest.get_node_or_nil(pos)
|
|
if nod then nod = nod.name else nod = "default:dirt" end
|
|
local nodef = minetest.registered_nodes[nod]
|
|
|
|
local v = self.object:getvelocity()
|
|
if v.y > 0.1 then
|
|
self.object:setacceleration({
|
|
x = 0,
|
|
y= self.fall_speed,
|
|
z = 0
|
|
})
|
|
end
|
|
if nodef.groups.water 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
|
|
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 or 0) - self.object:getpos().y
|
|
if d > 5 then
|
|
self.object:set_hp(self.object:get_hp() - math.floor(d - 5))
|
|
effect(self.object:getpos(), 5, "tnt_smoke.png")
|
|
check_for_death(self)
|
|
end
|
|
self.old_y = self.object:getpos().y
|
|
end
|
|
end
|
|
end
|
|
|
|
-- 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
|
|
|
|
-- attack timer
|
|
self.timer = self.timer + dtime
|
|
if self.state ~= "attack" then
|
|
if self.timer < 1 then
|
|
return
|
|
end
|
|
self.timer = 0
|
|
end
|
|
|
|
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
|
|
|
|
local do_env_damage = function(self)
|
|
|
|
local pos = self.object:getpos()
|
|
local tod = minetest.get_timeofday()
|
|
|
|
-- daylight above ground
|
|
if self.light_damage ~= 0
|
|
and pos.y > 0
|
|
and tod > 0.2
|
|
and tod < 0.8
|
|
and (minetest.get_node_light(pos) or 0) > 12 then
|
|
self.object:set_hp(self.object:get_hp() - self.light_damage)
|
|
effect(pos, 5, "tnt_smoke.png")
|
|
if check_for_death(self) then return end
|
|
end
|
|
|
|
pos.y = pos.y + self.collisionbox[2] -- foot level
|
|
local nod = minetest.get_node_or_nil(pos)
|
|
if not nod then return end ; -- print ("standing in "..nod.name)
|
|
local nodef = minetest.registered_nodes[nod.name]
|
|
pos.y = pos.y + 1
|
|
|
|
-- water
|
|
if self.water_damage ~= 0
|
|
and nodef.groups.water then
|
|
self.object:set_hp(self.object:get_hp() - self.water_damage)
|
|
effect(pos, 5, "bubble.png")
|
|
if check_for_death(self) then return end
|
|
end
|
|
|
|
-- lava or fire
|
|
if self.lava_damage ~= 0
|
|
and nodef.groups.lava then
|
|
self.object:set_hp(self.object:get_hp() - self.lava_damage)
|
|
effect(pos, 5, "mobs_flame.png", 8)
|
|
if check_for_death(self) then return end
|
|
end
|
|
|
|
end
|
|
|
|
local do_jump = function(self)
|
|
if self.fly then
|
|
return
|
|
end
|
|
|
|
self.jumptimer = (self.jumptimer or 0) + 1
|
|
if self.jumptimer < 3 then
|
|
local pos = self.object:getpos()
|
|
pos.y = (pos.y + self.collisionbox[2]) - 0.2
|
|
local nod = minetest.get_node(pos)
|
|
--print ("standing on:", nod.name, pos.y)
|
|
if not nod
|
|
or not minetest.registered_nodes[nod.name]
|
|
or minetest.registered_nodes[nod.name].walkable == false then
|
|
return
|
|
end
|
|
if self.direction then
|
|
pos.y = pos.y + 0.5
|
|
local nod = minetest.get_node_or_nil(
|
|
{
|
|
x = pos.x + self.direction.x,
|
|
y = pos.y,
|
|
z = pos.z + self.direction.z
|
|
})
|
|
--print ("in front:", nod.name, pos.y)
|
|
if nod and nod.name and
|
|
(nod.name ~= "air"
|
|
or self.walk_chance == 0) then
|
|
local def = minetest.registered_items[nod.name]
|
|
if (def
|
|
and def.walkable
|
|
and not nod.name:find("fence"))
|
|
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,
|
|
max_hear_distance = self.sounds.distance
|
|
})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
else
|
|
self.jumptimer = 0
|
|
end
|
|
end
|
|
|
|
-- environmental damage timer
|
|
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
|
|
|
|
-- find someone to attack
|
|
if self.type == "monster"
|
|
and damage_enabled
|
|
and self.state ~= "attack" then
|
|
|
|
local s = self.object:getpos()
|
|
local p, sp, dist
|
|
local player = nil
|
|
local type = nil
|
|
local obj = nil
|
|
local min_dist = self.view_range + 1
|
|
local min_player = nil
|
|
|
|
for _,oir in ipairs(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
|
|
p.y = p.y + 1
|
|
sp.y = sp.y + 1 -- aim higher to make looking up hills more realistic
|
|
dist = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
if dist < self.view_range then
|
|
-- and self.in_fov(self,p) then
|
|
-- choose closest player to attack
|
|
if minetest.line_of_sight(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
|
|
self.do_attack(self, min_player, min_dist)
|
|
end
|
|
end
|
|
|
|
-- npc, find closest monster to attack
|
|
local min_dist = self.view_range + 1
|
|
local min_player = nil
|
|
|
|
if self.type == "npc"
|
|
and self.attacks_monsters
|
|
and self.state ~= "attack" then
|
|
local s = self.object:getpos()
|
|
local obj = 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
|
|
-- attack monster
|
|
p = obj.object:getpos()
|
|
dist = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
if dist < min_dist then
|
|
min_dist = dist
|
|
min_player = obj.object
|
|
end
|
|
end
|
|
end
|
|
if min_player then
|
|
self.do_attack(self, min_player, min_dist)
|
|
end
|
|
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
|
|
and self.child == false then
|
|
self.hornytimer = self.hornytimer + 1
|
|
if self.hornytimer >= 240 then
|
|
self.hornytimer = 0
|
|
self.horny = false
|
|
end
|
|
end
|
|
|
|
-- if animal is 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,
|
|
})
|
|
end
|
|
end
|
|
|
|
-- if animal is horny, find another same animal who is horny and mate
|
|
if self.horny == true
|
|
and self.hornytimer <= 40 then
|
|
local pos = self.object:getpos()
|
|
effect({x = pos.x, y = pos.y + 0.5, z = pos.z}, 4, "heart.png")
|
|
local ents = minetest.get_objects_inside_radius(pos, self.view_range)
|
|
local num = 0
|
|
local ent = nil
|
|
for i,obj in ipairs(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
|
|
if num > 1 then
|
|
self.hornytimer = 41
|
|
ent.hornytimer = 41
|
|
minetest.after(
|
|
7,
|
|
function(dtime)
|
|
local mob = minetest.add_entity(pos, self.name)
|
|
local ent2 = mob:get_luaentity()
|
|
local textures = self.base_texture
|
|
if def.child_texture then
|
|
textures = def.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.following = ent -- follow mother
|
|
end)
|
|
num = 0
|
|
break
|
|
end
|
|
end
|
|
end
|
|
|
|
-- find player to follow
|
|
if (self.follow ~= "" or self.order == "follow") and not self.following and self.state ~= "attack" then
|
|
local s, p, dist
|
|
for _,player in pairs(minetest.get_connected_players()) do
|
|
s = self.object:getpos()
|
|
p = player:getpos()
|
|
dist = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
if dist < self.view_range then
|
|
self.following = player
|
|
break
|
|
end
|
|
end
|
|
end
|
|
|
|
-- custom function (defined in mob lua file)
|
|
if self.do_custom then
|
|
self.do_custom(self)
|
|
end
|
|
|
|
if self.type == "npc"
|
|
and self.order == "follow"
|
|
and self.state ~= "attack" then
|
|
-- npc stop following player if not owner
|
|
if self.following
|
|
and self.type == "npc"
|
|
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 self.following:get_wielded_item():get_name() ~= self.follow then
|
|
self.following = nil
|
|
end
|
|
end
|
|
|
|
-- follow player or mob
|
|
if self.following then
|
|
local s = self.object:getpos()
|
|
local p
|
|
|
|
if self.following.is_player
|
|
and 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 = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
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}
|
|
yaw = (math.atan(vec.z / vec.x) + math.pi / 2) - self.rotate
|
|
if p.x > s.x then
|
|
yaw = yaw + math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
|
|
-- anyone but standing npc's can move along
|
|
if dist > 2 and self.order ~= "stand" then
|
|
if (self.jump and self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0) or (self.object:getvelocity().y == 0 and self.jump_chance > 0) then
|
|
self.direction = {
|
|
x = math.sin(yaw) * -1,
|
|
y = -20,
|
|
z = math.cos(yaw)
|
|
}
|
|
do_jump(self)
|
|
end
|
|
self.set_velocity(self, self.walk_velocity)
|
|
if self.walk_chance ~= 0 then
|
|
self:set_animation("walk")
|
|
end
|
|
else
|
|
self.set_velocity(self, 0)
|
|
self:set_animation("stand")
|
|
end
|
|
return
|
|
end
|
|
end
|
|
else
|
|
self:set_animation("stand")
|
|
end
|
|
|
|
if self.state == "stand" then
|
|
-- randomly turn
|
|
if math.random(1, 4) == 1 then
|
|
-- if there is a player nearby look at them
|
|
local lp = nil
|
|
local s = self.object:getpos()
|
|
|
|
if self.type == "npc" then
|
|
local o = minetest.get_objects_inside_radius(self.object:getpos(), 3)
|
|
|
|
local yaw = 0
|
|
for _,o in ipairs(o) do
|
|
if o:is_player() then
|
|
lp = o:getpos()
|
|
break
|
|
end
|
|
end
|
|
end
|
|
|
|
if lp ~= nil then
|
|
local vec = {x = lp.x - s.x, y = lp.y - s.y, z = lp.z - s.z}
|
|
yaw = (math.atan(vec.z / vec.x) + math.pi / 2) - self.rotate
|
|
if lp.x > s.x then
|
|
yaw = yaw + math.pi
|
|
end
|
|
else
|
|
yaw = self.object:getyaw() + ((math.random(0, 360) - 180) / 180 * math.pi)
|
|
end
|
|
self.object:setyaw(yaw)
|
|
end
|
|
|
|
self.set_velocity(self, 0)
|
|
self.set_animation(self, "stand")
|
|
|
|
-- npc's ordered to stand stay standing
|
|
if self.type == "npc"
|
|
and self.order == "stand" then
|
|
self.set_velocity(self, 0)
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
else
|
|
if self.walk_chance ~= 0 and math.random(1, 100) <= self.walk_chance then
|
|
self.set_velocity(self, self.walk_velocity)
|
|
self.state = "walk"
|
|
self.set_animation(self, "walk")
|
|
end
|
|
|
|
-- jumping mobs only
|
|
-- if self.jump and math.random(1, 100) <= self.jump_chance then
|
|
-- self.direction = {x = 0, y = 0, z = 0}
|
|
-- do_jump(self)
|
|
-- self.set_velocity(self, self.walk_velocity)
|
|
-- end
|
|
end
|
|
|
|
elseif self.state == "walk" then
|
|
local s = self.object:getpos()
|
|
local lp = minetest.find_node_near(s, 1, {"group:water"})
|
|
|
|
-- water swimmers cannot move out of water
|
|
if self.fly and self.fly_in == "default:water_source" and not lp then
|
|
print ("out of water")
|
|
self.set_velocity(self, 0)
|
|
self.state = "flop" -- change to undefined state so nothing more happens
|
|
self:set_animation("stand")
|
|
return
|
|
end
|
|
-- 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}
|
|
yaw = math.atan(vec.z / vec.x) + 3 * math.pi / 2 - self.rotate
|
|
if lp.x > s.x then
|
|
yaw = yaw + math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
|
|
-- otherwise randomly turn
|
|
elseif math.random(1, 100) <= 30 then
|
|
self.object:setyaw(self.object:getyaw() + ((math.random(0, 360) - 180) / 180 * math.pi))
|
|
end
|
|
if self.jump and self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
|
|
self.direction = {
|
|
x = math.sin(yaw) * -1,
|
|
y = -20,
|
|
z = math.cos(yaw)
|
|
}
|
|
do_jump(self)
|
|
end
|
|
|
|
self:set_animation("walk")
|
|
self.set_velocity(self, self.walk_velocity)
|
|
if math.random(1, 100) <= 30 then
|
|
self.set_velocity(self, 0)
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
end
|
|
|
|
-- exploding mobs
|
|
elseif self.state == "attack" and self.attack_type == "explode" then
|
|
if not self.attack.player
|
|
or not self.attack.player:is_player() then
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
self.timer = 0
|
|
self.blinktimer = 0
|
|
return
|
|
end
|
|
local s = self.object:getpos()
|
|
local p = self.attack.player:getpos()
|
|
local dist = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
if dist > self.view_range or self.attack.player:get_hp() <= 0 then
|
|
self.state = "stand"
|
|
self.v_start = false
|
|
self.set_velocity(self, 0)
|
|
self.timer = 0
|
|
self.blinktimer = 0
|
|
self.attack = {player = nil, dist = nil}
|
|
self:set_animation("stand")
|
|
return
|
|
else
|
|
self:set_animation("walk")
|
|
self.attack.dist = dist
|
|
end
|
|
|
|
local vec = {x = p.x - s.x, y = p.y - s.y, z = p.z - s.z}
|
|
yaw = math.atan(vec.z / vec.x) + math.pi / 2 - self.rotate
|
|
if p.x > s.x then
|
|
yaw = yaw+math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
if self.attack.dist > 3 then
|
|
if not self.v_start then
|
|
self.v_start = true
|
|
self.set_velocity(self, self.run_velocity)
|
|
self.timer = 0
|
|
self.blinktimer = 0
|
|
else
|
|
self.timer = 0
|
|
self.blinktimer = 0
|
|
if self.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
|
|
self.set_velocity(self, self.run_velocity)
|
|
end
|
|
self:set_animation("run")
|
|
else
|
|
self.set_velocity(self, 0)
|
|
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 = vector.round(self.object:getpos())
|
|
entity_physics(pos, 3) -- hurt player/mobs caught in blast area
|
|
if minetest.find_node_near(pos, 1, {"group:water"}) or minetest.is_protected(pos, "") then
|
|
self.object:remove()
|
|
if self.sounds.explode ~= "" then
|
|
minetest.sound_play(self.sounds.explode, {
|
|
pos = pos,
|
|
gain = 1.0,
|
|
max_hear_distance = 16
|
|
})
|
|
end
|
|
effect(pos, 15, "tnt_smoke.png", 5)
|
|
return
|
|
end
|
|
self.object:remove()
|
|
pos.y = pos.y - 1
|
|
mobs:explosion(pos, self.explode_radius, 0, 1, self.sounds.explode)
|
|
end
|
|
end
|
|
-- end of exploding mobs
|
|
|
|
elseif self.state == "attack"
|
|
and self.attack_type == "dogfight" then
|
|
if not self.attack.player or not self.attack.player:getpos() then
|
|
print("stop attacking")
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
return
|
|
end
|
|
local s = self.object:getpos()
|
|
local p = self.attack.player:getpos()
|
|
local dist = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
|
|
-- fly bit modified from BlockMens creatures mod
|
|
if self.fly
|
|
and dist > 2 then
|
|
|
|
local nod = minetest.get_node_or_nil(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
|
|
and 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
|
|
-- end fly bit
|
|
|
|
if dist > self.view_range or self.attack.player:get_hp() <= 0 then
|
|
self.state = "stand"
|
|
self.set_velocity(self, 0)
|
|
self.attack = {player = nil, dist = nil}
|
|
self:set_animation("stand")
|
|
return
|
|
else
|
|
self.attack.dist = dist
|
|
end
|
|
|
|
local vec = {x = p.x - s.x, y = p.y - s.y, z = p.z - s.z}
|
|
yaw = (math.atan(vec.z / vec.x) + math.pi / 2) - self.rotate
|
|
if p.x > s.x then
|
|
yaw = yaw + math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
-- attack distance is 2 + half of mob width so the bigger mobs can attack (like slimes)
|
|
if self.attack.dist > ((-self.collisionbox[1] + self.collisionbox[4]) / 2) + 2 then
|
|
-- jump attack
|
|
if (self.jump and self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0) or (self.object:getvelocity().y == 0 and self.jump_chance > 0) then
|
|
self.direction = {
|
|
x = math.sin(yaw) * -1,
|
|
y = -20,
|
|
z = math.cos(yaw)
|
|
}
|
|
do_jump(self)
|
|
end
|
|
self.set_velocity(self, self.run_velocity)
|
|
self:set_animation("run")
|
|
else
|
|
self.set_velocity(self, 0)
|
|
self:set_animation("punch")
|
|
if self.timer > 1 then
|
|
self.timer = 0
|
|
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 self.sounds.attack then
|
|
minetest.sound_play(
|
|
self.sounds.attack,
|
|
{
|
|
object = self.object,
|
|
max_hear_distance = self.sounds.distance
|
|
})
|
|
end
|
|
self.attack.player:punch(
|
|
self.object,
|
|
1.0,
|
|
{
|
|
full_punch_interval=1.0,
|
|
damage_groups = {fleshy=self.damage}
|
|
}, vec)
|
|
if self.attack.player:get_hp() <= 0 then
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
elseif self.state == "attack"
|
|
and self.attack_type == "shoot" then
|
|
|
|
local s = self.object:getpos()
|
|
local p = self.attack.player:getpos()
|
|
if not p then
|
|
self.state = "stand"
|
|
return
|
|
end
|
|
p.y = p.y - .5
|
|
s.y = s.y + .5
|
|
local dist = ((p.x - s.x) ^ 2 + (p.y - s.y) ^ 2 + (p.z - s.z) ^ 2) ^ 0.5
|
|
if dist > self.view_range or self.attack.player:get_hp() <= 0 then
|
|
self.state = "stand"
|
|
self.set_velocity(self, 0)
|
|
self:set_animation("stand")
|
|
return
|
|
else
|
|
self.attack.dist = dist
|
|
end
|
|
|
|
local vec = {x = p.x - s.x, y = p.y - s.y, z = p.z - s.z}
|
|
yaw = (math.atan(vec.z / vec.x) + math.pi / 2) - self.rotate
|
|
if p.x > s.x then
|
|
yaw = yaw + math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
self.set_velocity(self, 0)
|
|
|
|
if self.shoot_interval and self.timer > self.shoot_interval and math.random(1, 100) <= 60 then
|
|
self.timer = 0
|
|
|
|
self:set_animation("punch")
|
|
|
|
if self.sounds.attack then
|
|
minetest.sound_play(
|
|
self.sounds.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 amount = (vec.x ^ 2 + vec.y ^ 2 + vec.z ^ 2) ^ 0.5
|
|
local v = obj:get_luaentity().velocity
|
|
vec.y = vec.y + self.shoot_offset -- this makes shoot aim accurate
|
|
vec.x = vec.x *v / amount
|
|
vec.y = vec.y *v / amount
|
|
vec.z = vec.z *v / amount
|
|
obj:setvelocity(vec)
|
|
end
|
|
end
|
|
end,
|
|
|
|
on_activate = function(self, staticdata, dtime_s)
|
|
|
|
if self.type == "monster"
|
|
and peaceful_only then
|
|
self.object:remove()
|
|
end
|
|
|
|
-- load entity variables
|
|
if staticdata then
|
|
local tmp = minetest.deserialize(staticdata)
|
|
if tmp then
|
|
for _,stat in pairs(tmp) do
|
|
self[_] = stat
|
|
end
|
|
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
|
|
|
|
-- if object is child then set 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
|
|
|
|
self.object:set_hp( self.health )
|
|
self.object:set_armor_groups({fleshy = self.armor})
|
|
self.state = "stand"
|
|
self.order = "stand"
|
|
self.following = nil
|
|
self.old_y = self.object:getpos().y
|
|
self.object:setyaw(math.random(1, 360) / 180 * math.pi)
|
|
self.sounds.distance = (self.sounds.distance or 10)
|
|
self.textures = textures
|
|
self.mesh = mesh
|
|
self.collisionbox = colbox
|
|
self.visual_size = vis_size
|
|
-- set anything changed above
|
|
self.object:set_properties(self)
|
|
|
|
if self.on_spawn then
|
|
self:on_spawn()
|
|
end
|
|
|
|
end,
|
|
|
|
get_staticdata = function(self)
|
|
|
|
-- remove mob when out of range unless tamed
|
|
if mobs.remove == true and self.remove_ok and not self.tamed then
|
|
print ("REMOVED", self.remove_ok, self.name)
|
|
self.object:remove()
|
|
end
|
|
self.remove_ok = true
|
|
self.attack = nil
|
|
|
|
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,
|
|
|
|
on_punch = function(self, hitter, tflp, tool_capabilities, dir)
|
|
-- weapon wear
|
|
local weapon = hitter:get_wielded_item()
|
|
if weapon:get_definition().tool_capabilities ~= nil then
|
|
local wear = ( (weapon:get_definition().tool_capabilities.full_punch_interval or 1.4) / 75 ) * 9000
|
|
weapon:add_wear(wear)
|
|
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
|
|
|
|
-- exit here if dead
|
|
if check_for_death(self) then
|
|
return
|
|
end
|
|
|
|
-- blood_particles
|
|
if self.blood_amount > 0 then
|
|
local pos = self.object:getpos()
|
|
pos.y = pos.y + (-self.collisionbox[2] + self.collisionbox[5]) / 3
|
|
if enable_blood then
|
|
effect(pos, self.blood_amount, self.blood_texture)
|
|
else
|
|
effect(pos, self.blood_amount, "default_grass_clump_tall.png")
|
|
end
|
|
end
|
|
|
|
-- knock back effect
|
|
if self.knock_back > 0 then
|
|
local kb = self.knock_back
|
|
local r = self.recovery_time
|
|
local v = self.object:getvelocity()
|
|
if tflp < tool_capabilities.full_punch_interval then
|
|
if kb > 0 then
|
|
kb = kb * ( tflp / tool_capabilities.full_punch_interval )
|
|
end
|
|
r = r * ( tflp / tool_capabilities.full_punch_interval )
|
|
end
|
|
self.object:setvelocity({x = dir.x * kb,y = 0,z = dir.z * kb})
|
|
self.pause_timer = r
|
|
end
|
|
|
|
-- attack puncher and call other mobs for help
|
|
if self.passive == false
|
|
and not self.tamed then
|
|
if self.state ~= "attack" then
|
|
self.do_attack(self, hitter, 1)
|
|
end
|
|
-- 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
|
|
obj.do_attack(obj, hitter, 1)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
end
|
|
|
|
mobs.spawning_mobs = {}
|
|
|
|
function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light, interval, chance, active_object_count, min_height, max_height)
|
|
mobs.spawning_mobs[name] = true
|
|
minetest.register_abm(
|
|
{
|
|
nodenames = nodes,
|
|
neighbors = neighbors,
|
|
interval = interval,
|
|
chance = chance,
|
|
action = function(pos, node, _, 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
|
|
--or not pos then
|
|
return
|
|
end
|
|
|
|
-- spawn above node
|
|
pos.y = pos.y + 1
|
|
|
|
-- mobs cannot spawn inside protected areas if enabled
|
|
if mobs.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 a solid node?
|
|
local nod = minetest.get_node_or_nil(pos)
|
|
if not nod
|
|
or not nod.name
|
|
or not minetest.registered_nodes[nod.name]
|
|
or minetest.registered_nodes[nod.name].walkable == true then
|
|
return
|
|
end
|
|
|
|
pos.y = pos.y + 1
|
|
|
|
nod = minetest.get_node_or_nil(pos)
|
|
if not nod
|
|
or not nod.name
|
|
or not minetest.registered_nodes[nod.name]
|
|
or minetest.registered_nodes[nod.name].walkable == true then
|
|
return
|
|
end
|
|
|
|
if minetest.setting_getbool("display_mob_spawn") then
|
|
minetest.chat_send_all("[mobs] Add "..name.." at "..minetest.pos_to_string(pos))
|
|
end
|
|
|
|
-- spawn mob half block higher
|
|
pos.y = pos.y - 0.5
|
|
minetest.add_entity(pos, name)
|
|
--print ("Spawned "..name.." at "..minetest.pos_to_string(pos).." on "..node.name.." near "..neighbors[1])
|
|
|
|
end
|
|
})
|
|
end
|
|
|
|
-- compatibility with older mob registration
|
|
function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height)
|
|
mobs:spawn_specific(name, nodes, {"air"}, min_light, max_light, 30, chance, active_object_count, -31000, max_height)
|
|
end
|
|
|
|
-- particle effects
|
|
function effect(pos, amount, texture, max_size)
|
|
minetest.add_particlespawner(
|
|
{
|
|
amount = amount,
|
|
time = 0.25,
|
|
minpos = pos,
|
|
maxpos = pos,
|
|
minvel = {x = -0, y = 2, z = -0},
|
|
maxvel = {x = 2, y = 6, z = 2},
|
|
minacc = {x = -4, y = -16, z = -4},
|
|
maxacc = {x = 4, y = -4, z = 4},
|
|
minexptime = 0.1,
|
|
maxexptime = 1,
|
|
minsize = 1,
|
|
maxsize = (max_size or 2),
|
|
texture = texture,
|
|
})
|
|
end
|
|
|
|
-- explosion
|
|
function mobs:explosion(pos, radius, fire, smoke, sound)
|
|
-- node hit, bursts into flame (cannot blast through obsidian or protection redo mod items)
|
|
if not fire then fire = 0 end
|
|
if not smoke then smoke = 0 end
|
|
local pos = vector.round(pos)
|
|
local radius = 1
|
|
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 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")
|
|
if sound
|
|
and sound ~= "" then
|
|
minetest.sound_play(sound, {
|
|
pos = pos,
|
|
gain = 1.0,
|
|
max_hear_distance = 16
|
|
})
|
|
end
|
|
-- if area protected then no blast damage
|
|
if minetest.is_protected(pos, "") then
|
|
return
|
|
end
|
|
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 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 = minetest.get_node(p).name
|
|
if minetest.get_item_group(n, "unbreakable") ~= 1 then
|
|
-- if chest then drop items inside
|
|
if n == "default:chest" then
|
|
local meta = minetest.get_meta(p)
|
|
local inv = meta:get_inventory()
|
|
for i = 1,32 do
|
|
local m_stack = inv:get_stack("main", i)
|
|
local obj = minetest.add_item(pos, m_stack)
|
|
if obj then
|
|
obj:setvelocity({x = math.random(-2, 2), y = 7, z = math.random(-2, 2)})
|
|
end
|
|
end
|
|
end
|
|
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"}) fire mod is disabled
|
|
else
|
|
minetest.remove_node(p)
|
|
end
|
|
if smoke > 0 then
|
|
effect(p, 2, "tnt_smoke.png", 5)
|
|
end
|
|
end
|
|
end
|
|
vi = vi + 1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- on mob death drop items
|
|
function check_for_death(self)
|
|
local hp = self.object:get_hp()
|
|
if hp > 0 then
|
|
self.health = hp
|
|
if self.sounds.damage ~= nil then
|
|
minetest.sound_play(
|
|
self.sounds.damage,
|
|
{
|
|
object = self.object,
|
|
max_hear_distance = self.sounds.distance
|
|
})
|
|
end
|
|
return false
|
|
end
|
|
local pos = self.object:getpos()
|
|
self.object:remove()
|
|
local obj = nil
|
|
for _,drop in ipairs(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 = 5,
|
|
z = math.random(-1, 1)
|
|
})
|
|
end
|
|
end
|
|
end
|
|
if self.sounds.death ~= nil then
|
|
minetest.sound_play(
|
|
self.sounds.death,
|
|
{
|
|
object = self.object,
|
|
max_hear_distance = self.sounds.distance
|
|
})
|
|
end
|
|
if self.on_die then
|
|
self.on_die(self, pos)
|
|
end
|
|
return true
|
|
end
|
|
|
|
-- from TNT mod
|
|
function calc_velocity(pos1, pos2, old_vel, power)
|
|
local vel = vector.direction(pos1, pos2)
|
|
vel = vector.normalize(vel)
|
|
vel = vector.multiply(vel, power)
|
|
local dist = vector.distance(pos1, pos2)
|
|
dist = math.max(dist, 1)
|
|
vel = vector.divide(vel, dist)
|
|
vel = vector.add(vel, old_vel)
|
|
return vel
|
|
end
|
|
|
|
-- modified from TNT mod
|
|
function entity_physics(pos, radius)
|
|
radius = radius * 2
|
|
local objs = minetest.get_objects_inside_radius(pos, radius)
|
|
local obj_pos, obj_vel, dist
|
|
for _, obj in pairs(objs) do
|
|
obj_pos = obj:getpos()
|
|
obj_vel = obj:getvelocity()
|
|
dist = math.max(1, vector.distance(pos, obj_pos))
|
|
if obj_vel ~= nil then
|
|
obj:setvelocity(calc_velocity(pos, obj_pos, obj_vel, radius * 10))
|
|
end
|
|
local damage = (4 / dist) * radius
|
|
obj:set_hp(obj:get_hp() - damage)
|
|
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
|
|
|
|
on_step = function(self, dtime)
|
|
self.timer = (self.timer or 0) + 1
|
|
if self.timer > 150 then self.object:remove() return end
|
|
|
|
local engage = 10 - (self.velocity / 2) -- clear entity before arrow becomes active
|
|
local pos = self.object:getpos()
|
|
local node = minetest.get_node_or_nil(self.object:getpos())
|
|
if node then node = node.name else node = "air" end
|
|
|
|
if self.hit_node
|
|
and minetest.registered_nodes[node]
|
|
and minetest.registered_nodes[node].walkable then
|
|
self.hit_node(self, pos, node)
|
|
if self.drop == true then
|
|
pos.y = pos.y + 1
|
|
self.lastpos = (self.lastpos or pos)
|
|
minetest.add_item(self.lastpos, self.object:get_luaentity().name)
|
|
end
|
|
self.object:remove() ; -- print ("hit node")
|
|
return
|
|
end
|
|
|
|
if (self.hit_player or self.hit_mob)
|
|
and self.timer > engage 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().name ~= self.object:get_luaentity().name
|
|
and player:get_luaentity().name ~= "__builtin: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)
|
|
local invimg = background
|
|
minetest.register_craftitem(
|
|
mob,
|
|
{
|
|
description = desc,
|
|
inventory_image = invimg,
|
|
on_place = function(itemstack, placer, pointed_thing)
|
|
local pos = pointed_thing.above
|
|
if pointed_thing.above
|
|
and not minetest.is_protected(pos, placer:get_player_name()) then
|
|
pos.y = pos.y + 0.5
|
|
local mob = minetest.add_entity(pos, mob)
|
|
local ent = mob:get_luaentity()
|
|
if ent.type ~= "monster" then
|
|
-- set owner
|
|
ent.owner = placer:get_player_name()
|
|
ent.tamed = true
|
|
end
|
|
itemstack:take_item()
|
|
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 clicker:is_player() and clicker:get_inventory() and not self.child 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:lasso" then
|
|
chance = chance_lasso
|
|
tool:add_wear(1500) -- 43 uses
|
|
clicker:set_wielded_item(tool)
|
|
end
|
|
-- return if no chance
|
|
if chance == 0 then return end
|
|
-- calculate chance.. was capture successful?
|
|
if math.random(100) <= chance then
|
|
-- successful capture.. add to inventory
|
|
clicker:get_inventory():add_item("main", mobname)
|
|
self.object:remove()
|
|
else
|
|
minetest.chat_send_player(name, "Missed!")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- feeding, taming and breeding (thanks blert2112)
|
|
function mobs:feed_tame(self, clicker, feed_count, breed)
|
|
-- feed a mob(mostly a wrapper to handle self.check_fed)
|
|
local item = nil
|
|
local itemstring = clicker
|
|
local name = nil
|
|
|
|
if type(clicker) ~= "string" then
|
|
item = clicker:get_wielded_item()
|
|
itemstring = item:get_name()
|
|
name = clicker:get_player_name()
|
|
end
|
|
|
|
if itemstring == self.follow then
|
|
if name ~= nil then
|
|
-- take item
|
|
if not minetest.setting_getbool("creative_mode") then
|
|
item:take_item()
|
|
clicker:set_wielded_item(item)
|
|
end
|
|
end
|
|
|
|
self:check_fed(name, feed_count, breed)
|
|
|
|
return true
|
|
else
|
|
return false
|
|
end
|
|
end
|