advanced_npc/npc.lua

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local S = mobs.intllib
-- Advanced NPC by Zorman2000
-- Based on original NPC by Tenplus1
npc = {}
-- Constants
npc.FEMALE = "female"
npc.MALE = "male"
npc.ITEM_GIFT_EFFECT = 2.5
-- Expected values for these are 720 each respectively
npc.GIFT_TIMER_INTERVAL = 2
npc.RELATIONSHIP_DECREASE_TIMER_INTERVAL = 60
npc.RELATIONSHIP_PHASE = {}
-- Define phases
npc.RELATIONSHIP_PHASE["phase1"] = {limit = 10}
npc.RELATIONSHIP_PHASE["phase2"] = {limit = 25}
npc.RELATIONSHIP_PHASE["phase3"] = {limit = 45}
npc.RELATIONSHIP_PHASE["phase4"] = {limit = 70}
npc.RELATIONSHIP_PHASE["phase5"] = {limit = 100}
npc.FAVORITE_ITEMS = {
female = {},
male = {}
}
-- Define items by phase
-- Female
npc.FAVORITE_ITEMS.female["phase1"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.female["phase2"] = {
{item = "farming:cotton",
response = "This is going to be very helpful, thank you!"},
{item = "wool:wool",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.female["phase3"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.female["phase4"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.female["phase5"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.female["phase6"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
-- Male
npc.FAVORITE_ITEMS.male["phase1"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.male["phase2"] = {
{item = "farming:cotton",
response = "This is going to be very helpful, thank you!"},
{item = "wool:wool",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.male["phase3"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.male["phase4"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.male["phase5"] = {
{item = "default:apple",
response = "Hey, I really wanted an apple, thank you!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
npc.FAVORITE_ITEMS.male["phase6"] = {
{item = "default:apple",
response = "You always know what I want to eat honey... thanks!"},
{item = "farming:bread",
response = "Thanks, you didn't have to, but thanks..."}
}
-- Disliked items
npc.DISLIKED_ITEMS = {
female = {
{item = "default:stone",
response = "Stone, oh... why do you give me this?"},
{item = "default:cobble",
response = "Cobblestone? No, no, why?"}
},
male = {
{item = "default:stone",
response = "Bah! Stone? I don't need this thing!"},
{item = "default:cobble",
response = "Cobblestone!? Wow, you sure think a lot before giving a gift..."}
}
}
mobs.npc_drops = {
"default:pick_steel", "mobs:meat", "default:sword_steel",
"default:shovel_steel", "farming:bread", "bucket:bucket_water"
}
-- General functions
-- Gets name of player or NPC
function npc.get_entity_name(entity)
if entity:is_player() then
return entity:get_player_name()
else
return entity:get_luaentity().nametag
end
end
-- Returns the item "wielded" by player or NPC
-- TODO: Implement NPC
local function get_entity_wielded_item(entity)
if entity:is_player() then
return entity:get_wielded_item()
end
end
-- Function to get relationship phase
function npc.get_relationship_phase(points)
if points > npc.RELATIONSHIP_PHASE["phase5"].limit then
return "phase6"
elseif points > npc.RELATIONSHIP_PHASE["phase4"].limit then
return "phase5"
elseif points > npc.RELATIONSHIP_PHASE["phase3"].limit then
return "phase4"
elseif points > npc.RELATIONSHIP_PHASE["phase2"].limit then
return "phase3"
elseif points > npc.RELATIONSHIP_PHASE["phase1"].limit then
return "phase2"
else
return "phase1"
end
end
-- Returns the response message for a given item
function npc.get_response_for_favorite_item(item_name, sex, phase)
local items = npc.FAVORITE_ITEMS.female
if sex == npc.MALE then
items = npc.FAVORITE_ITEMS.male
end
for i = 1, #items[phase] do
if items[phase][i].item == item_name then
return items[phase][i].response
end
end
return nil
end
-- Returns the response message for a disliked item
function npc.get_response_for_disliked_item(item_name, sex)
local items = npc.DISLIKED_ITEMS.female
if sex == npc.MALE then
items = npc.DISLIKED_ITEMS.male
end
for i = 1, #items do
if items[i].item == item_name then
return items[i].response
end
end
return nil
end
-- Functions on right click
---------------------------------------------------------------------------------------
-- Gift and relationship system
---------------------------------------------------------------------------------------
-- Each NPCs has 2 favorite and 2 disliked items. These items are chosen at spawn
-- time and will be re-chosen when the age changes (from child to adult, for example).
-- The items are chosen from the npc.FAVORITE_ITEMS table, and depends on sex and age.
-- A player, via right-click, or another NPC, can gift an item to a NPC. In the case
-- of the player, the player will give one of the currently wielded item. Gifts can be
-- given only once per some time period, the NPC will reject the given item if still
-- the period isn't over.
-- If the NPC is neutral on the item (meanining it's neither favorite or disliked), it
-- is possible it will not accept it, and the relationship the giver has with the NPC
-- will be unchanged.
-- In the other hand, if the item given its a favorite, the relationship points the NPC
-- has with giver will increase by a given amount, depending on favoriteness. Favorite 1
-- will increase the relationship by 2 * npc.ITEM_GIFT_EFFECT, and favorite 2 only by
-- npc.ITEM_GIFT_EFFECT. Similarly, if the item given is a disliked item, the NPC will
-- not take it, and its relationship points with the giver will decrease by 2 or 1 times
-- npc.ITEM_GIFT_EFFECT.
-- Relationship functions
---------------------------------------------------------------------------------------
-- This function selects two random items from the npc.favorite_items table
-- It checks for sex and phase for choosing the items
local function select_random_favorite_items(sex, phase)
local result = {}
local items = {}
-- Filter sex
if sex == npc.FEMALE then
items = npc.FAVORITE_ITEMS.female
else
items = npc.FAVORITE_ITEMS.male
end
-- Select the phase
items = items[phase]
result.fav1 = items[math.random(1, #items)].item
result.fav2 = items[math.random(1, #items)].item
return result
end
-- This function selects two random items from the npc.disliked_items table
-- It checks for sex for choosing the items. They stay the same for all
-- phases
local function select_random_disliked_items(sex)
local result = {}
local items = {}
-- Filter sex
if sex == npc.FEMALE then
items = npc.DISLIKED_ITEMS.female
else
items = npc.DISLIKED_ITEMS.male
end
result.dis1 = items[math.random(1, #items)].item
result.dis2 = items[math.random(1, #items)].item
return result
end
-- Creates a relationship with a given player or NPC
local function create_relationship(self, clicker_name)
local count = #self.relationships
self.relationships[count + 1] = {
-- Player or NPC name with whom the relationship is with
name = clicker_name,
-- Relationship points
points = 0,
-- Relationship phase, used for items and for phrases
phase = "phase1",
-- How frequent can the NPC receive a gift
gift_interval = npc.GIFT_TIMER_INTERVAL,
-- Current timer count since last gift
gift_timer_value = 0,
-- The amount of time without providing gift or talking that will decrease relationship points
relationship_decrease_interval = npc.RELATIONSHIP_DECREASE_TIMER_INTERVAL,
-- Current timer count for relationship decrease
relationship_decrease_timer_value = 0,
-- Current timer count since last time player talked to NPC
talk_timer_value = 0
}
end
-- Returns a relationship points
local function get_relationship_points(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
return self.relationships[i].points
end
end
return nil
end
-- Updates relationship with given points
local function update_relationship(self, clicker_name, modifier)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
self.relationships[i].points = self.relationships[i].points + modifier
local current_phase = self.relationships[i].phase
self.relationships[i].phase = npc.get_relationship_phase(self.relationships[i].points)
if current_phase ~= self.relationships[i].phase then
self.gift_data.favorite_items =
select_random_favorite_items(self.sex, self.relationships[i].phase)
return true
end
return false
end
end
-- Relationship not found, huge error
return nil
end
-- Checks if a relationship with given player or NPC exists
local function check_relationship_exists(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
return true
end
end
return false
end
-- Checks if NPC can receive gifts
local function check_npc_can_receive_gift(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
-- Checks avoid married NPC to receive from others
if self.is_married_to == nil
or (self.is_married ~= nil and self.is_married_to == clicker_name) then
return self.relationships[i].gift_timer_value >= self.relationships[i].gift_interval
else
return false
end
end
end
-- Not found
return nil
end
-- Checks if relationship can be updated by talking
local function check_relationship_by_talk_timer_ready(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
return self.relationships[i].talk_timer_value >= self.relationships[i].gift_interval
end
end
-- Not found
return nil
end
-- Resets the gift timer
local function reset_gift_timer(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
self.relationships[i].gift_timer_value = 0
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self.relationships[i].relationship_decrease_timer_value = 0
return
end
end
end
-- Resets the talk timer
local function reset_talk_timer(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
self.relationships[i].talk_timer_value = 0
return
end
end
end
-- Resets the relationshop decrease timer
local function reset_relationship_decrease_timer(self, clicker_name)
for i = 1, #self.relationships do
if self.relationships[i].name == clicker_name then
self.relationships[i].relationship_decrease_timer_value = 0
return
end
end
end
-- Gifts functions
---------------------------------------------------------------------------------------
-- Displays message and hearts depending on relationship level
local function show_receive_gift_reaction(self, item_name, modifier, clicker_name, phase_change)
local points = get_relationship_points(self, clicker_name)
local pos = self.object:getpos()
-- Positive modifier (favorite items) reactions
if modifier >= 0 then
local phase = npc.get_relationship_phase(points)
if phase == "phase3" then
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 2, "heart.png")
elseif phase == "phase4" then
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 4, "heart.png")
elseif phase == "phase5" then
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 6, "heart.png")
elseif phase == "phase6" then
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 8, "heart.png")
end
if phase_change then
local number_code = phase:byte(phase:len()) - 1
phase = "phase"..string.char(number_code)
end
-- Send message
-- TODO: There might be an error with getting the message...
minetest.log("Item_name: "..dump(item_name)..", sex: "..dump(self.sex)..", phase: "..dump(phase))
local message_to_send = npc.get_response_for_favorite_item(item_name, self.sex, phase)
minetest.chat_send_player(clicker_name, message_to_send)
-- Disliked items reactions
elseif modifier < 0 then
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 8, "smoke.png")
local message_to_send = npc.get_response_for_disliked_item(item_name, self.sex)
minetest.chat_send_player(clicker_name, message_to_send)
end
end
-- Receive gift function; applies relationship points as explained above
-- Also, creates a relationship object if not present
local function receive_gift(self, clicker)
-- Return if clicker is not offering an item
local item = get_entity_wielded_item(clicker)
if item:get_name() == "" then return false end
-- Get clicker name
local clicker_name = npc.get_entity_name(clicker)
-- Create relationship if it doesn't exists
if check_relationship_exists(self, clicker_name) == false then
create_relationship(self, clicker_name)
end
-- If NPC received a gift from this person, then reject any more gifts for now
if check_npc_can_receive_gift(self, clicker_name) == false then
minetest.chat_send_player(clicker_name, "Thanks, but I don't need anything for now")
return false
end
-- If NPC is ready for marriage, do no accept anything else but the ring,
-- and that with only a certain chance. The self.owner is to whom is married
-- this NPC... he he.
if get_relationship_points(self, clicker_name) >= npc.RELATIONSHIP_PHASE["phase5"].limit
and self.owner ~= clicker_name
and item:get_name() ~= "advanced_npc:marriage_ring" then
minetest.chat_send_player(clicker_name,
"Thank you my love, but I think that you have given me")
minetest.chat_send_player(clicker_name,
"enough gifts for now. Maybe we should go a step further")
-- Reset gift timer
reset_gift_timer(self, clicker_name)
return true
elseif get_relationship_points(self, clicker_name) >= npc.RELATIONSHIP_PHASE["phase5"].limit
and item:get_name() == "advanced_npc:marriage_ring" then
-- If the player/entity is offering a marriage ring, then NPC will accept with a 50%
-- chance to marry the clicker
local receive_chance = math.random(1, 10)
-- Receive ring and get married
if receive_chance < 6 then
minetest.chat_send_player(clicker_name,
"Oh, oh you make me so happy! Yes! I will marry you!")
-- Get ring
item:take_item()
clicker:set_wielded_item(item)
-- TODO: Implement marriage event
-- Show marriage reaction
local pos = self.object:getpos()
effect({x = pos.x, y = pos.y + 1, z = pos.z}, 20, "heart.png", 4)
-- Give 100 points, so NPC is really happy on marriage
update_relationship(self, clicker_name, 100)
-- This sets the married state, for now. Hehe
self.owner = clicker_name
-- Reject ring for now
else
minetest.chat_send_player(clicker_name,
"Dear, I feel the same as you. But maybe not yet...")
end
-- Reset gift timer
reset_gift_timer(self, clicker_name)
return true
end
-- Marriage gifts: except for disliked items, all product a 0.5 * npc.ITEM_GIFT_EFFECT
-- Disliked items cause only a -1 point effect
if get_relationship_points(self, clicker_name) >= npc.RELATIONSHIP_PHASE["phase5"].limit then
local modifier = 0.5 * npc.ITEM_GIFT_EFFECT
-- Check for disliked items
if item:get_name() == self.gift_data.disliked_items.dis1
or item:get_name() == self.gift_data.disliked_items.dis2 then
modifier = -1
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show_receive_gift_reaction(self, item:get_name(), modifier, clicker_name, false)
elseif item:get_name() == self.gift_data.favorite_items.fav1
or item:get_name() == self.gift_data.favorite_items.fav2 then
-- Favorite item reaction
show_receive_gift_reaction(self, item:get_name(), modifier, clicker_name, false)
else
-- Neutral item reaction
minetest.chat_send_player(clicker_name, "Thank you honey!")
end
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-- Take item
item:take_item()
clicker:set_wielded_item(item)
-- Update relationship
update_relationship(self, clicker_name, modifier)
-- Reset gift timer
reset_gift_timer(self, clicker_name)
return true
end
-- Modifies relationship depending on given item
local modifier = 0
local take = true
local show_reaction = false
if item:get_name() == self.gift_data.favorite_items.fav1 then
modifier = 2 * npc.ITEM_GIFT_EFFECT
show_reaction = true
elseif item:get_name() == self.gift_data.favorite_items.fav2 then
modifier = npc.ITEM_GIFT_EFFECT
show_reaction = true
elseif item:get_name() == self.gift_data.disliked_items.dis1 then
modifier = (-2) * npc.ITEM_GIFT_EFFECT
show_reaction = true
elseif item:get_name() == self.gift_data.disliked_items.dis2 then
modifier = (-1) * npc.ITEM_GIFT_EFFECT
show_reaction = true
else
-- If item is not a favorite or a dislike, then receive chance
-- if 70%
local receive_chance = math.random(1,10)
if receive_chance < 7 then
minetest.chat_send_player(clicker_name, "Thanks. I will find some use for this.")
else
minetest.chat_send_player(clicker_name, "Thank you, but no, I have no use for this.")
take = false
end
show_reaction = false
end
-- Take item if NPC accepted it
if take == true then
item:take_item()
clicker:set_wielded_item(item)
end
-- Update relationship status
local is_phase_changed = update_relationship(self, clicker_name, modifier)
-- Show NPC reaction to gift
if show_reaction == true then
show_receive_gift_reaction(self, item:get_name(), modifier, clicker_name, is_phase_changed)
end
minetest.log(dump(self))
-- Reset gift timer
reset_gift_timer(self, clicker_name)
return true
end
-- Relationships are slowly increased by talking, increases by +0.2.
-- Talking to married NPC increases relationship by +1
-- TODO: This needs a timer as the gift timer. NPC will talk anyways
-- but relationship will not increase.
local function dialogue_relationship_update(self, clicker)
-- Get clicker name
local clicker_name = npc.get_entity_name(clicker)
-- Check if relationship can be updated via talk
if check_relationship_by_talk_timer_ready(self, clicker_name) == false then
return
end
-- Create relationship if it doesn't exists
if check_relationship_exists(self, clicker_name) == false then
create_relationship(self, clicker_name)
end
local modifier = 0.2
if self.is_married_to ~= nil and clicker_name == self.is_married_to then
modifier = 1
end
-- Update relationship
update_relationship(self, clicker_name, modifier)
-- Resert timers
reset_talk_timer(self, clicker_name)
reset_relationship_decrease_timer(self, clicker_name)
end
-- Chat functions
local function start_dialogue(self, clicker)
-- Call chat function as normal
npc.dialogue.start_dialogue(self, clicker)
-- Check and update relationship if needed
dialogue_relationship_update(self, clicker)
-- Married player can tell NPC to follow or to stay at a given place
-- TODO: Improve this. There should be a dialogue box for this
-- if self.owner and self.owner == name then
-- if self.order == "follow" then
-- self.order = "stand"
-- minetest.chat_send_player(name, S("Ok dear, I will wait here for you."))
-- else
-- self.order = "follow"
-- minetest.chat_send_player(name, S("Let's go honey!"))
-- end
-- end
end
mobs:register_mob("advanced_npc:npc", {
type = "npc",
passive = false,
damage = 3,
attack_type = "dogfight",
attacks_monsters = true,
-- Added group attack
group_attack = true,
--pathfinding = true,
pathfinding = 1,
hp_min = 10,
hp_max = 20,
armor = 100,
collisionbox = {-0.35,-1.0,-0.35, 0.35,0.8,0.35},
visual = "mesh",
mesh = "character.b3d",
drawtype = "front",
textures = {
{"mobs_npc_male1.png"},
{"mobs_npc_female1.png"}, -- female by nuttmeg20
},
child_texture = {
{"mobs_npc_baby_male1.png"}, -- derpy baby by AmirDerAssassine
},
makes_footstep_sound = true,
sounds = {},
-- Added walk chance
walk_chance = 30,
-- Added stepheight
stepheight = 1,
walk_velocity = 2,
run_velocity = 3,
jump = true,
drops = {
{name = "default:wood", chance = 1, min = 1, max = 3},
{name = "default:apple", chance = 2, min = 1, max = 2},
{name = "default:axe_stone", chance = 5, min = 1, max = 1},
},
water_damage = 0,
lava_damage = 2,
light_damage = 0,
--follow = {"farming:bread", "mobs:meat", "default:diamond"},
view_range = 15,
owner = "",
order = "follow",
--order = "stand",
fear_height = 3,
animation = {
speed_normal = 30,
speed_run = 30,
stand_start = 0,
stand_end = 79,
walk_start = 168,
walk_end = 187,
run_start = 168,
run_end = 187,
punch_start = 200,
punch_end = 219,
},
on_rightclick = function(self, clicker)
local item = clicker:get_wielded_item()
local name = clicker:get_player_name()
minetest.log(dump(self))
-- Receive gift or start chat. If player has no item in hand
-- then it is going to start chat directly
if self.can_have_relationship and item:to_table() ~= nil then
-- Get item name
local item = minetest.registered_items[item:get_name()]
local item_name = item.description
-- Show dialogue to confirm that player is giving item as gift
npc.dialogue.show_yes_no_dialogue(
"Do you want to give "..item_name.." to "..self.nametag.."?",
npc.dialogue.POSITIVE_GIFT_ANSWER_PREFIX..item_name,
function()
receive_gift(self, clicker)
end,
npc.dialogue.NEGATIVE_ANSWER_LABEL,
function()
start_dialogue(self, clicker)
end,
name
)
else
start_dialogue(self, clicker)
end
end,
do_custom = function(self, dtime)
-- Timer function for gifts
for i = 1, #self.relationships do
local relationship = self.relationships[i]
-- Gift timer check
if relationship.gift_timer_value < relationship.gift_interval then
relationship.gift_timer_value = relationship.gift_timer_value + dtime
elseif relationship.talk_timer_value < relationship.gift_interval then
-- Relationship talk timer - only allows players to increase relationship
-- by talking on the same intervals as gifts
relationship.talk_timer_value = relationship.talk_timer_value + dtime
else
-- Relationship decrease timer
if relationship.relationship_decrease_timer_value
< relationship.relationship_decrease_interval then
relationship.relationship_decrease_timer_value =
relationship.relationship_decrease_timer_value + dtime
else
-- Check if married to decrease half
if relationship.phase == "phase6" then
-- Avoid going below the marriage phase limit
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if (relationship.points - 0.5) >= npc.RELATIONSHIP_PHASE["phase5"].limit then
relationship.points = relationship.points - 0.5
end
else
relationship.points = relationship.points - 1
end
relationship.relationship_decrease_timer_value = 0
minetest.log(dump(self))
end
end
end
end
})
-- This function checks for "female" text on the texture name
local function is_female_texture(textures)
for i = 1, #textures do
if string.find(textures[i], "female") ~= nil then
return true
end
end
return false
end
-- Choose whether NPC can have relationships. Only 30% of NPCs cannot have relationships
local function can_have_relationships()
local chance = math.random(1,10)
return chance > 3
end
local function npc_spawn(self, pos)
minetest.log("Spawning new NPC:")
local ent = self:get_luaentity()
ent.nametag = "Kio"
-- Determine sex based on textures
if (is_female_texture(ent.base_texture)) then
ent.sex = npc.FEMALE
else
ent.sex = npc.MALE
end
-- Initialize all gift data
ent.gift_data = {
-- Choose favorite items. Choose phase1 per default
favorite_items = select_random_favorite_items(ent.sex, "phase1"),
-- Choose disliked items. Choose phase1 per default
disliked_items = select_random_disliked_items(ent.sex),
}
-- Flag that determines if NPC can have a relationship
ent.can_have_relationship = can_have_relationships()
-- Initialize relationships object
ent.relationships = {}
-- Determines if NPC is married or not
ent.is_married_to = nil
-- Initialize dialogues
ent.dialogues = npc.dialogue.select_random_dialogues_for_npc(ent.sex, "phase1")
minetest.log(dump(ent))
-- Refreshes entity
ent.object:set_properties(ent)
end
-- Spawn
mobs:spawn({
name = "advanced_npc:npc",
nodes = {"default:stone"},
min_light = 3,
active_object_count = 1,
interval = 5,
chance = 1,
--max_height = 0,
on_spawn = npc_spawn,
})
mobs:register_egg("advanced_npc:npc", S("Npc"), "default_brick.png", 1)
-- compatibility
mobs:alias_mob("mobs:npc", "advanced_npc:npc")
-- Marriage ring
minetest.register_craftitem("advanced_npc:marriage_ring", {
description = S("Marriage Ring"),
inventory_image = "diamond_ring.png",
})
-- Marriage ring craft recipe
minetest.register_craft({
output = "advanced_npc:marriage_ring",
recipe = { {"", "", ""},
{"", "default:diamond", ""},
{"", "default:gold_ingot", ""} },
})