added metasave/metaload to api

This commit is contained in:
cornernote 2012-09-20 13:55:23 +09:30
parent 6f96131382
commit c8cfd524dd

View File

@ -566,3 +566,67 @@ worldedit.deserialize_old = function(originpos, value)
end
return count
end
--saves the nodes and meta defined by positions `pos1` and `pos2` into a file, returning the number of nodes saved
worldedit.metasave = function(pos1, pos2, file)
local path = minetest.get_worldpath() .. "/schems"
local filename = path .. "/" .. file .. ".wem"
os.execute("mkdir \"" .. path .. "\"") --create directory if it does not already exist
local rows = {}
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
local pos = {x=pos1.x, y=0, z=0}
local count = 0
local result = {}
local env = minetest.env
while pos.x <= pos2.x do
pos.y = pos1.y
while pos.y <= pos2.y do
pos.z = pos1.z
while pos.z <= pos2.z do
local node = env:get_node(pos)
if node.name ~= "air" and node.name ~= "ignore" then
count = count + 1
local row = {
x = pos.x-pos1.x,
y = pos.y-pos1.y,
z = pos.z-pos1.z,
name = node.name,
param1 = node.param1,
param2 = node.param2,
meta = env:get_meta(pos):to_table(),
}
table.insert(rows, row)
end
pos.z = pos.z + 1
end
pos.y = pos.y + 1
end
pos.x = pos.x + 1
end
local err = table.save(rows,filename)
if err then return _,err end
return count
end
--loads the nodes and meta from `file` to position `pos1`, returning the number of nodes loaded
worldedit.metaload = function(pos1, file)
local filename = minetest.get_worldpath() .. "/schems/" .. file .. ".wem"
local rows, err = table.load(filename)
if err then return _,err end
local pos = {x=0, y=0, z=0}
local node = {name="", param1=0, param2=0}
local count = 0
local env = minetest.env
for i,row in pairs(rows) do
pos.x = pos1.x + tonumber(row.x)
pos.y = pos1.y + tonumber(row.y)
pos.z = pos1.z + tonumber(row.z)
node.name = row.name
node.param1 = row.param1
node.param2 = row.param2
env:add_node(pos, node)
env:get_meta(pos):from_table(row.meta)
count = count + 1
end
return count
end