Add callback to preserve node metadata as item metadata

This commit is contained in:
ashtrayoz 2017-11-09 23:29:04 +11:00 committed by Nils Dagsson Moskopp
parent 5cf31fb839
commit 24263ccbb0
Signed by: erle
GPG Key ID: A3BC671C35191080
2 changed files with 29 additions and 1 deletions

View File

@ -150,8 +150,22 @@ end
local function drop_attached_node(p)
local n = core.get_node(p)
local drops = core.get_node_drops(n, "")
local def = core.registered_items[n.name]
if def and def.preserve_metadata then
local oldmeta = core.get_meta(p):to_table().fields
-- Copy pos and node because the callback can modify them.
local pos_copy = {x=p.x, y=p.y, z=p.z}
local node_copy = {name=n.name, param1=n.param1, param2=n.param2}
local drop_stacks = {}
for k, v in pairs(drops) do
drop_stacks[k] = ItemStack(v)
end
drops = drop_stacks
def.preserve_metadata(pos_copy, node_copy, oldmeta, drops)
end
core.remove_node(p)
for _, item in pairs(core.get_node_drops(n, "")) do
for _, item in pairs(drops) do
local pos = {
x = p.x + math.random()/2 - 0.25,
y = p.y + math.random()/2 - 0.25,

View File

@ -579,6 +579,20 @@ function core.node_dig(pos, node, digger)
digger:set_wielded_item(wielded)
end
-- Check to see if metadata should be preserved.
if def and def.preserve_metadata then
local oldmeta = core.get_meta(pos):to_table().fields
-- Copy pos and node because the callback can modify them.
local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
local drop_stacks = {}
for k, v in pairs(drops) do
drop_stacks[k] = ItemStack(v)
end
drops = drop_stacks
def.preserve_metadata(pos_copy, node_copy, oldmeta, drops)
end
-- Handle drops
core.handle_node_drops(pos, drops, digger)