VoxeLibre/mods/ENTITIES/mcl_mobs/api/mob_functions/breeding.lua
2021-05-25 10:56:06 +02:00

179 lines
5.0 KiB
Lua

local minetest_get_objects_inside_radius = minetest.get_objects_inside_radius
local vector = vector
--check to see if someone nearby has some tasty food
mobs.check_following = function(self) -- returns true or false
--ignore
if not self.follow then
self.following_person = nil
return false
end
--hey look, this thing works for passive mobs too!
local follower = mobs.detect_closest_player_within_radius(self,true,self.view_range,self.eye_height)
--check if the follower is a player incase they log out
if follower and follower:is_player() then
local stack = follower:get_wielded_item()
--safety check
if not stack then
self.following_person = nil
return false
end
local item_name = stack:get_name()
--all checks have passed, that guy has some good looking food
if item_name == self.follow then
self.following_person = follower
return true
end
end
--everything failed
self.following_person = nil
return false
end
--a function which attempts to make mobs enter
--the breeding state
mobs.enter_breed_state = function(self,clicker)
--do not breed if baby
if self.baby then
return false
end
--do not do anything if looking for mate or
--if cooling off from breeding
if self.breed_lookout_timer > 0 or self.breed_timer > 0 then
return false
end
--if this is caught, that means something has gone
--seriously wrong
if not clicker or not clicker:is_player() then
return false
end
local stack = clicker:get_wielded_item()
--safety check
if not stack then
return false
end
local item_name = stack:get_name()
--all checks have passed, that guy has some good looking food
if item_name == self.follow then
if not minetest.is_creative_enabled(clicker:get_player_name()) then
stack:take_item()
clicker:set_wielded_item(stack)
end
self.breed_lookout_timer = self.breed_lookout_timer_goal
self.bred = true
mobs.play_sound_specific(self,"mobs_mc_animal_eat_generic")
return true
end
--everything failed
return false
end
--find the closest mate in the area
mobs.look_for_mate = function(self)
local pos1 = self.object:get_pos()
pos1.y = pos1.y + self.eye_height
local mates_in_area = {}
local winner_mate = nil
local mates_detected = 0
local radius = self.view_range
--get mates in radius
for _,mate in pairs(minetest_get_objects_inside_radius(pos1, radius)) do
--look for a breeding mate
if mate and mate:get_luaentity()
and mate:get_luaentity()._cmi_is_mob
and mate:get_luaentity().name == self.name
and mate:get_luaentity().breed_lookout_timer > 0
and mate:get_luaentity() ~= self then
local pos2 = mate:get_pos()
local distance = vector.distance(pos1,pos2)
if distance <= radius then
if minetest.line_of_sight then
--must add eye height or stuff breaks randomly because of
--seethrough nodes being a blocker (like grass)
if minetest.line_of_sight(
vector.new(pos1.x, pos1.y, pos1.z),
vector.new(pos2.x, pos2.y + mate:get_properties().eye_height, pos2.z)
) then
mates_detected = mates_detected + 1
mates_in_area[mate] = distance
end
else
mates_detected = mates_detected + 1
mates_in_area[mate] = distance
end
end
end
end
--return if there's no one near by
if mates_detected <= 0 then --handle negative numbers for some crazy error that could possibly happen
return nil
end
--do a default radius max
local shortest_distance = radius + 1
--sort through mates and find the closest mate
for mate,distance in pairs(mates_in_area) do
if distance < shortest_distance then
shortest_distance = distance
winner_mate = mate
end
end
return winner_mate
end
--make the baby grow up
mobs.baby_grow_up = function(self)
self.baby = nil
self.visual_size = self.backup_visual_size
self.collisionbox = self.backup_collisionbox
self.selectionbox = self.backup_selectionbox
self.object:set_properties(self)
end
--makes the baby grow up faster with diminishing returns
mobs.make_baby_grow_faster = function(self,clicker)
if clicker and clicker:is_player() then
local stack = clicker:get_wielded_item()
--safety check
if not stack then
return false
end
local item_name = stack:get_name()
--all checks have passed, that guy has some good looking food
if item_name == self.follow then
self.grow_up_timer = self.grow_up_timer - (self.grow_up_timer * 0.10) --take 10 percent off - diminishing returns
if not minetest.is_creative_enabled(clicker:get_player_name()) then
stack:take_item()
clicker:set_wielded_item(stack)
end
mobs.play_sound_specific(self,"mobs_mc_animal_eat_generic")
return true
end
end
return false
end