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Fix duplicated book entities on the enchanting table (#155)

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Because of a race condition, the check for whether to regenerate a book entity can happen while the entity is unloaded, resulting in multiple entities per enchanting server.
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fluxionary 2022-07-27 11:51:21 -07:00 committed by GitHub
parent 3b5b3f0c11
commit 4305841cf2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 11 deletions
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29
src/enchanting.lua
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@ -186,11 +186,6 @@ function enchanting.destruct(pos)
end
function enchanting.timer(pos)
local num = #minetest.get_objects_inside_radius(pos, 0.9)
if num == 0 then
minetest.add_entity({x = pos.x, y = pos.y + 0.85, z = pos.z}, "xdecor:book_open")
end
local minp = {x = pos.x - 2, y = pos.y, z = pos.z - 2}
local maxp = {x = pos.x + 2, y = pos.y + 1, z = pos.z + 2}
@ -249,14 +244,26 @@ minetest.register_entity("xdecor:book_open", {
collisionbox = {0},
physical = false,
textures = {"xdecor_book_open.png"},
on_activate = function(self)
local pos = self.object:get_pos()
local pos_under = {x = pos.x, y = pos.y - 1, z = pos.z}
static_save = false,
})
if minetest.get_node(pos_under).name ~= "xdecor:enchantment_table" then
self.object:remove()
minetest.register_lbm({
label = "recreate book entity",
name = "xdecor:create_book_entity",
nodenames = {"xdecor:enchantment_table"},
run_at_every_load = true,
action = function(pos, node)
local objs = minetest.get_objects_inside_radius(pos, 0.9)
for _, obj in ipairs(objs) do
local e = obj:get_luaentity()
if e and e.name == "xdecor:book_open" then
return
end
end
end
minetest.add_entity({x = pos.x, y = pos.y + 0.85, z = pos.z}, "xdecor:book_open")
end,
})
function enchanting:register_tools(mod, def)