Aaron Suen 90dbadb5bd Fix thrown item stack settling flicker
When a thrown item settles into a node space and
becomes a visinv node, reuse the existing entity instead
of deleting the old one and creating a new one, if
possible.
2021-07-06 07:14:14 -04:00

68 lines
2.1 KiB
Lua

-- LUALOCALS < ---------------------------------------------------------
local ItemStack, math, minetest, nodecore, pairs, vector
= ItemStack, math, minetest, nodecore, pairs, vector
local math_random
= math.random
-- LUALOCALS > ---------------------------------------------------------
local stackonly = {}
minetest.after(0, function()
for k, v in pairs(minetest.registered_items) do
if v.groups and v.groups.is_stack_only then
stackonly[k] = true
end
end
end)
nodecore.register_item_entity_on_settle(function(self, pos)
local node = minetest.get_node(pos)
if node.name == "ignore" then return end
if pos.y - 1 >= nodecore.map_limit_min then
node = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z})
if node.name == "ignore" then return end
end
if self.nextscan and nodecore.gametime < self.nextscan then return end
self.nextscan = (self.nextscan or nodecore.gametime) + 0.75 + 0.5 * math_random()
local boxes = {}
local item = ItemStack(self.itemstring)
for rel in nodecore.settlescan() do
local p = vector.add(pos, rel)
local n = minetest.get_node(p)
if stackonly[n.name] then
item = nodecore.stack_add(p, item)
if item:is_empty() then
self.itemstring = ""
self.object:remove()
return true
end
else
boxes[#boxes + 1] = p
end
if nodecore.buildable_to(p) and (p.y >= nodecore.map_limit_min)
and (rel.y <= 0 or (p.y - 1 < nodecore.map_limit_min)
or nodecore.walkable({x = p.x, y = p.y - 1, z = p.z})) then
nodecore.place_stack(p, item)
minetest.get_meta(p):set_string("tweenfrom",
minetest.serialize(self.object:get_pos()))
self.itemstring = ""
self.on_step = function()
self.on_step = function() self.object:remove() end
end
nodecore.visinv_reuse_ents[minetest.hash_node_position(
vector.round(p))] = self
return true
end
end
for _, p in pairs(boxes) do
item = nodecore.stack_add(p, item)
if item:is_empty() then
self.itemstring = ""
self.object:remove()
return true
end
end
self.itemstring = item:to_string()
end)