teknomunk
/
MineClone2
forked from VoxeLibre/VoxeLibre
1
0
Fork 0
Code Pull Requests Activity

Remove memory leak for cart data, check distance to players before respawning distant carts to prevent adding entities that are immediately inactivated

This commit is contained in:
teknomunk 2024-04-09 22:32:58 +00:00
parent 035a1b2401
commit 291bbfb1f4
1 changed files with 25 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
mods/ENTITIES/mcl_minecarts/carts.lua
View File

@ -119,20 +119,15 @@ function DEFAULT_CART_DEF:on_activate(staticdata, dtime_s)
data = cd
end
-- Initialize
if type(data) == "table" then
-- Fix up types
data.dir = vector.new(data.dir)
-- Fix up types
data.dir = vector.new(data.dir)
-- Fix mass
data.mass = data.mass or 1
-- Fix mass
data.mass = data.mass or 1
-- Make sure all carts have an ID to isolate them
self._uuid = data.uuid
data.uuid = mcl_util.get_uuid(self.object)
self._staticdata = data
end
-- Make sure all carts have an ID to isolate them
self._uuid = data.uuid
self._staticdata = data
-- Activate cart if on powered activator rail
if self.on_activate_by_rail then
@ -311,9 +306,6 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
end
local entity_id = entity_mapping[itemstack:get_name()]
local cart = minetest.add_entity(spawn_pos, entity_id)
cart:set_yaw(minetest.dir_to_yaw(cart_dir))
-- Setup cart data
local uuid = mcl_util.get_uuid(cart)
@ -323,6 +315,12 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
update_cart_data(data)
save_cart_data(uuid)
-- Create the entity with the staticdata already setup
local sd = minetest.serialize({ uuid=uuid, seq=1 })
local cart = minetest.add_entity(spawn_pos, entity_id, sd)
cart:set_yaw(minetest.dir_to_yaw(cart_dir))
-- Update static data
local le = cart:get_luaentity()
if le then
@ -465,14 +463,24 @@ end
local function respawn_cart(cart)
local cart_type = cart.cart_type or "mcl_minecarts:minecart"
local pos = mod.get_cart_position(cart)
print("Respawning cart #"..cart.uuid.." at "..tostring(pos))
local players = minetest.get_connected_players()
local distance = nil
for _,player in pairs(players) do
local d = vector.distance(player:get_pos(), pos)
if not distance or d < distance then distance = d end
end
if not distance or distance > 115 then return end
print("Respawning cart #"..cart.uuid.." at "..tostring(pos)..",distance="..distance)
-- Update sequence so that old cart entities get removed
cart.seq = (cart.seq or 1) + 1
save_cart_data(cart.uuid)
-- Create the new entity
local entity = minetest.add_entity(pos, cart_type)
local sd = minetest.serialize({ uuid=cart.uuid, seq=cart.seq })
local entity = minetest.add_entity(pos, cart_type, sd)
local le = entity:get_luaentity()
le._seq = cart.seq
le._uuid = cart.uuid