9cd093046d
* schematic rotation * fixes * remove auto-rotation code * schematic encoding v2 * testing * working encode/decode * rotate schematic * spec * rotate dialog * skip if rotation == 0 * wip * wip * wip * fix order * fix metadata rotation --------- Co-authored-by: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>
102 lines
2.8 KiB
Lua
102 lines
2.8 KiB
Lua
local air_cid = minetest.get_content_id("air")
|
|
|
|
function pick_and_place.serialize(pos1, pos2)
|
|
local manip = minetest.get_voxel_manip()
|
|
local e1, e2 = manip:read_from_map(pos1, pos2)
|
|
local area = VoxelArea:new({MinEdge=e1, MaxEdge=e2})
|
|
|
|
local node_data = manip:get_data()
|
|
local param2 = manip:get_param2_data()
|
|
|
|
local node_id_data = {}
|
|
local param2_data = {}
|
|
local metadata = {}
|
|
|
|
for z=pos1.z,pos2.z do
|
|
for y=pos1.y,pos2.y do
|
|
for x=pos1.x,pos2.x do
|
|
local i = area:index(x,y,z)
|
|
table.insert(node_id_data, node_data[i])
|
|
table.insert(param2_data, param2[i])
|
|
end
|
|
end
|
|
end
|
|
|
|
-- store metadata
|
|
local nodes_with_meta = minetest.find_nodes_with_meta(pos1, pos2)
|
|
for _, pos in ipairs(nodes_with_meta) do
|
|
local rel_pos = vector.subtract(pos, pos1)
|
|
local meta = minetest.get_meta(pos)
|
|
local meta_table = meta:to_table()
|
|
|
|
-- Convert metadata item stacks to item strings
|
|
for _, invlist in pairs(meta_table.inventory) do
|
|
for index = 1, #invlist do
|
|
local itemstack = invlist[index]
|
|
if itemstack.to_string then
|
|
invlist[index] = itemstack:to_string()
|
|
end
|
|
end
|
|
end
|
|
|
|
metadata[minetest.pos_to_string(rel_pos)] = meta_table
|
|
end
|
|
|
|
local schematic = {
|
|
node_id_data = node_id_data,
|
|
param2_data = param2_data,
|
|
metadata = metadata,
|
|
size = vector.add(vector.subtract(pos2, pos1), 1)
|
|
}
|
|
|
|
return pick_and_place.encode_schematic(schematic)
|
|
end
|
|
|
|
|
|
function pick_and_place.deserialize(pos1, encoded_data)
|
|
local schematic, err = pick_and_place.decode_schematic(encoded_data)
|
|
if err then
|
|
return false, "Decode error: " .. err
|
|
end
|
|
|
|
local pos2 = vector.add(pos1, vector.subtract(schematic.size, 1))
|
|
|
|
local manip = minetest.get_voxel_manip()
|
|
local e1, e2 = manip:read_from_map(pos1, pos2)
|
|
local area = VoxelArea:new({MinEdge=e1, MaxEdge=e2})
|
|
|
|
local node_data = manip:get_data()
|
|
local param2 = manip:get_param2_data()
|
|
|
|
local j = 1
|
|
for z=pos1.z,pos2.z do
|
|
for y=pos1.y,pos2.y do
|
|
for x=pos1.x,pos2.x do
|
|
local i = area:index(x,y,z)
|
|
local nodeid = schematic.node_id_data[j]
|
|
|
|
if nodeid ~= air_cid then
|
|
node_data[i] = nodeid
|
|
param2[i] = schematic.param2_data[j]
|
|
end
|
|
j = j + 1
|
|
end
|
|
end
|
|
end
|
|
|
|
-- set metadata
|
|
for pos_str, meta_table in pairs(schematic.metadata) do
|
|
local pos = minetest.string_to_pos(pos_str)
|
|
local abs_pos = vector.add(pos1, pos)
|
|
local meta = minetest.get_meta(abs_pos)
|
|
meta:from_table(meta_table)
|
|
end
|
|
|
|
-- set nodeid's and param2
|
|
manip:set_data(node_data)
|
|
manip:set_param2_data(param2)
|
|
manip:write_to_map()
|
|
|
|
return true
|
|
end
|