worldedit = worldedit or {} worldedit.queue = {} worldedit.ENABLE_QUEUE = true --enable the WorldEdit block queue worldedit.MAXIMUM_TIME = 0.08 --maximum time each step alloted for WorldEdit operations minetest.register_globalstep(function(dtime) local i = 1 local elapsed = 0 local env = minetest.env while i <= #worldedit.queue and elapsed <= worldedit.MAXIMUM_TIME do local idx = (#worldedit.queue + 1) - i local entry = worldedit.queue[idx] --we use the last entry, so we don't spend days moving stuff in the table because we removed the first entry if entry.t == "set_node" then env:set_node(entry.pos, entry.node) elapsed = elapsed + 0.0002 elseif entry.t == "remove_node" then env:remove_node(entry.pos) elapsed = elapsed + 0.0002 elseif entry.t == "place_node" then env:place_node(entry.pos, entry.node) elapsed = elapsed + 0.001 elseif entry.t == "dig_node" then env:dig_node(entry.pos) elapsed = elapsed + 0.001 elseif entry.t == "add_entity" then env:add_entity(entry.pos, entry.name) elapsed = elapsed + 0.005 elseif entry.t == "add_item" then env:add_item(entry.pos, entry.item) elapsed = elapsed + 0.005 elseif entry.t == "meta_from_table" then env:get_meta(entry.pos):from_table(entry.table) elapsed = elapsed + 0.0002 else print("Unknown queue event type: " .. entry.t) end table.remove(worldedit.queue, idx) i = i + 1 end end) function table.copy(t, seen) seen = seen or {} if t == nil then return nil end if seen[t] then return seen[t] end local nt = {} for k, v in pairs(t) do if type(v) == 'table' then nt[k] = table.copy(v, seen) else nt[k] = v end end seen[t] = nt return nt end local quene_setnode = function(self, pos_, node_) table.insert(worldedit.queue, {pos=table.copy(pos_), node=table.copy(node_), t="set_node"}) end local quene_removenode = function(self, pos_) table.insert(worldedit.queue, {pos=table.copy(pos_), t="remove_node"}) end local quene_placenode = function(self, pos_, node_) table.insert(worldedit.queue, {pos=table.copy(pos_), node=table.copy(node_), t="place_node"}) end local quene_dignode = function(self, pos_) table.insert(worldedit.queue, {pos=table.copy(pos_), t="dig_node"}) end local quene_addentity = function(self, pos_, name_) table.insert(worldedit.queue, {pos=table.copy(pos_), name=name_.."", t="add_entity"}) end local quene_additem = function(self, pos_, item_) table.insert(worldedit.queue, {pos=table.copy(pos_), item=item_.."", t="add_item"}) end local quene_setmeta = function(self, pos_, table_) table.insert(worldedit.queue, {pos=table.copy(pos_), table=table.copy(table_), t="meta_from_table"}) end local aliasmeta = { -- the other functions are left out because they are not used in worldedit to_table = function(self) return minetest.env:get_meta(self._pos):to_table() end, set_string = function(self, name_, value_) minetest.env:get_meta(self._pos):set_string(name_, value_) end, from_table = function(self, tbl) quene_setmeta(nil, self._pos, tbl) end, } local get_meta_alias = function(self, pos) local am = table.copy(aliasmeta) am._pos = pos return am end worldedit.quene_aliasenv = { -- ALL functions that are not just piped to the real minetest.env function must copy the arguments, not just reference them set_node = quene_setnode, add_node = quene_setnode, remove_node = quene_removenode, get_node = function(self, pos) return minetest.env:get_node(pos) end, get_node_or_nil = function(self, pos) return minetest.env:get_node_or_nil(pos) end, get_node_light = function(self, pos, timeofday) return minetest.env:get_node_light(pos, timeofday) end, place_node = quene_placenode, dig_node = quene_dignode, punch_node = function(self, pos) return minetest.env:punch_node(pos) end, get_meta = get_meta_alias, get_node_timer = function(self, pos) return minetest.env:get_node_timer(pos) end, add_entity = quene_addentity, add_item = quene_additem, }