mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-22 18:07:25 +02:00
64 lines
2.2 KiB
Lua
64 lines
2.2 KiB
Lua
|
local pr = PseudoRandom(os.time()*5)
|
|||
|
|
|||
|
local offsets = {}
|
|||
|
for x=-2, 2 do
|
|||
|
for z=-2, 2 do
|
|||
|
table.insert(offsets, {x=x, y=0, z=z})
|
|||
|
end
|
|||
|
end
|
|||
|
|
|||
|
--[[ Periodically check and teleport mob to owner if not sitting (order ~= "sit") and
|
|||
|
the owner is too far away. To be used with do_custom. Note: Optimized for mobs smaller than 1×1×1.
|
|||
|
Larger mobs might have space problems after teleportation.
|
|||
|
|
|||
|
* dist: Minimum required distance from owner to teleport. Default: 12
|
|||
|
* teleport_check_interval: Optional. Interval in seconds to check the mob teleportation. Default: 4 ]]
|
|||
|
mobs_mc.make_owner_teleport_function = function(dist, teleport_check_interval)
|
|||
|
return function(self, dtime)
|
|||
|
-- No teleportation if no owner or if sitting
|
|||
|
if not self.owner or self.order == "sit" then
|
|||
|
return
|
|||
|
end
|
|||
|
if not teleport_check_interval then
|
|||
|
teleport_check_interval = 4
|
|||
|
end
|
|||
|
if not dist then
|
|||
|
dist = 12
|
|||
|
end
|
|||
|
if self._teleport_timer == nil then
|
|||
|
self._teleport_timer = teleport_check_interval
|
|||
|
return
|
|||
|
end
|
|||
|
self._teleport_timer = self._teleport_timer - dtime
|
|||
|
if self._teleport_timer <= 0 then
|
|||
|
self._teleport_timer = teleport_check_interval
|
|||
|
local mob_pos = self.object:getpos()
|
|||
|
local owner = minetest.get_player_by_name(self.owner)
|
|||
|
if not owner then
|
|||
|
-- No owner found, no teleportation
|
|||
|
return
|
|||
|
end
|
|||
|
local owner_pos = owner:getpos()
|
|||
|
local dist_from_owner = vector.distance(owner_pos, mob_pos)
|
|||
|
if dist_from_owner > dist then
|
|||
|
-- Check for nodes below air in a 5×1×5 area around the owner position
|
|||
|
local check_offsets = table.copy(offsets)
|
|||
|
-- Attempt to place mob near player. Must be placed on walkable node below a non-walkable one. Place inside that air node.
|
|||
|
while #check_offsets > 0 do
|
|||
|
local r = pr:next(1, #check_offsets)
|
|||
|
local telepos = vector.add(owner_pos, check_offsets[r])
|
|||
|
local telepos_below = {x=telepos.x, y=telepos.y-1, z=telepos.z}
|
|||
|
table.remove(check_offsets, r)
|
|||
|
-- Long story short, spawn on a platform
|
|||
|
if minetest.registered_nodes[minetest.get_node(telepos).name].walkable == false and
|
|||
|
minetest.registered_nodes[minetest.get_node(telepos_below).name].walkable == true then
|
|||
|
-- Correct position found! Let's teleport.
|
|||
|
self.object:setpos(telepos)
|
|||
|
return
|
|||
|
end
|
|||
|
end
|
|||
|
end
|
|||
|
end
|
|||
|
end
|
|||
|
end
|