--modifies positions `pos1` and `pos2` so that each component of `pos1` is less than or equal to its corresponding conent of `pos2`, returning two new positions worldedit.sort_pos = function(pos1, pos2) pos1 = {x=pos1.x, y=pos1.y, z=pos1.z} pos2 = {x=pos2.x, y=pos2.y, z=pos2.z} if pos1.x > pos2.x then pos2.x, pos1.x = pos1.x, pos2.x end if pos1.y > pos2.y then pos2.y, pos1.y = pos1.y, pos2.y end if pos1.z > pos2.z then pos2.z, pos1.z = pos1.z, pos2.z end return pos1, pos2 end --determines the volume of the region defined by positions `pos1` and `pos2`, returning the volume worldedit.volume = function(pos1, pos2) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1) end --sets a region defined by positions `pos1` and `pos2` to `nodename`, returning the number of nodes filled worldedit.set = function(pos1, pos2, nodename) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local env = minetest.env local node = {name=nodename} local pos = {x=pos1.x, y=0, z=0} 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 env:add_node(pos, node) pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end return worldedit.volume(pos1, pos2) end --replaces all instances of `searchnode` with `replacenode` in a region defined by positions `pos1` and `pos2`, returning the number of nodes replaced worldedit.replace = function(pos1, pos2, searchnode, replacenode) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local env = minetest.env if searchnode:find(":") == nil then searchnode = "default:" .. searchnode end local pos = {x=pos1.x, y=0, z=0} local node = {name=replacenode} local count = 0 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 if env:get_node(pos).name == searchnode then env:add_node(pos, node) count = count + 1 end pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end return count end --copies the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") by `amount` nodes, returning the number of nodes copied worldedit.copy = function(pos1, pos2, axis, amount) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local env = minetest.env if amount < 0 then local pos = {x=pos1.x, y=0, z=0} 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) local value = pos[axis] pos[axis] = value - amount env:add_node(pos, node) pos[axis] = value pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end else local pos = {x=pos2.x, y=0, z=0} while pos.x >= pos1.x do pos.y = pos2.y while pos.y >= pos1.y do pos.z = pos2.z while pos.z >= pos1.z do local node = minetest.env:get_node(pos) local value = pos[axis] pos[axis] = value + amount minetest.env:add_node(pos, node) pos[axis] = value pos.z = pos.z - 1 end pos.y = pos.y - 1 end pos.x = pos.x - 1 end end return worldedit.volume(pos1, pos2) end --moves the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") by `amount` nodes, returning the number of nodes moved worldedit.move = function(pos1, pos2, axis, amount) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local env = minetest.env if amount < 0 then local pos = {x=pos1.x, y=0, z=0} 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) env:remove_node(pos) local value = pos[axis] pos[axis] = value - amount env:add_node(pos, node) pos[axis] = value pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end else local pos = {x=pos2.x, y=0, z=0} while pos.x >= pos1.x do pos.y = pos2.y while pos.y >= pos1.y do pos.z = pos2.z while pos.z >= pos1.z do local node = minetest.env:get_node(pos) env:remove_node(pos) local value = pos[axis] pos[axis] = value + amount minetest.env:add_node(pos, node) pos[axis] = value pos.z = pos.z - 1 end pos.y = pos.y - 1 end pos.x = pos.x - 1 end end return worldedit.volume(pos1, pos2) end --duplicates the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") `count` times, returning the number of nodes stacked worldedit.stack = function(pos1, pos2, axis, count) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local length = pos2[axis] - pos1[axis] + 1 local amount = 0 local copy = worldedit.copy if count < 0 then count = -count length = -length end for i = 1, count do amount = amount + length copy(pos1, pos2, axis, amount) end return worldedit.volume(pos1, pos2) end --transposes a region defined by the positions `pos1` and `pos2` between the `axis1` and `axis2` axes, returning the number of nodes transposed worldedit.transpose = function(pos1, pos2, axis1, axis2) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local pos = {x=pos1.x, y=0, z=0} 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 extent1, extent2 = pos[axis1] - pos1[axis1], pos[axis2] - pos1[axis2] if extent1 < extent2 then local node1 = env:get_node(pos) local value1, value2 = pos[axis1], pos[axis2] pos[axis1], pos[axis2] = pos1[axis1] + extent1, pos1[axis2] + extent2 local node2 = env:get_node(pos) env:add_node(pos, node1) pos[axis1], pos[axis2] = value1, value2 env:add_node(pos, node2) end pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end return worldedit.volume(pos1, pos2) end --flips a region defined by the positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z"), returning the number of nodes flipped worldedit.flip = function(pos1, pos2, axis) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local pos = {x=pos1.x, y=0, z=0} local start = pos1[axis] + pos2[axis] pos2[axis] = pos1[axis] + math.floor((pos2[axis] - pos1[axis]) / 2) 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 node1 = env:get_node(pos) local value = pos[axis] pos[axis] = start - value local node2 = env:get_node(pos) env:add_node(pos, node1) pos[axis] = value env:add_node(pos, node2) pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end return worldedit.volume(pos1, pos2) end --rotates a region defined by the positions `pos1` and `pos2` by `angle` degrees clockwise around the y axis (supporting 90 degree increments only), returning the number of nodes rotated worldedit.rotate = function(pos1, pos2, angle) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) angle = angle % 360 local pos = {x=pos1.x, y=0, z=0} local newpos = {x=0, y=0, z=0} local offsetx, offsetz local env = minetest.env if angle == 90 then worldedit.transpose(pos1, pos2, "x", "z") pos1.x, pos1.z = pos1.z, pos1.x pos2.x, pos2.z = pos2.z, pos2.x worldedit.flip(pos1, pos2, "z") elseif angle == 180 then worldedit.flip(pos1, pos2, "x") worldedit.flip(pos1, pos2, "z") elseif angle == 270 then worldedit.transpose(pos1, pos2, "x", "z") pos1.x, pos1.z = pos1.z, pos1.x pos2.x, pos2.z = pos2.z, pos2.x worldedit.flip(pos1, pos2, "x") else return 0 end return worldedit.volume(pos1, pos2) end --digs a region defined by positions `pos1` and `pos2`, returning the number of nodes dug worldedit.dig = function(pos1, pos2) local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local env = minetest.env local pos = {x=pos1.x, y=0, z=0} 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 env:dig_node(pos) pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end return worldedit.volume(pos1, pos2) end --converts the region defined by positions `pos1` and `pos2` into a single string, returning the serialized data and the number of nodes serialized worldedit.serialize = function(pos1, pos2) 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 result[count] = pos.x - pos1.x .. " " .. pos.y - pos1.y .. " " .. pos.z - pos1.z .. " " .. node.name .. " " .. node.param1 .. " " .. node.param2 end pos.z = pos.z + 1 end pos.y = pos.y + 1 end pos.x = pos.x + 1 end result = table.concat(result, "\n") return result, count end --loads the nodes represented by string `value` at position `originpos`, returning the number of nodes deserialized worldedit.deserialize = function(originpos, value) local pos = {x=0, y=0, z=0} local node = {name="", param1=0, param2=0} local count = 0 local env = minetest.env for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do pos.x = originpos.x + tonumber(x) pos.y = originpos.y + tonumber(y) pos.z = originpos.z + tonumber(z) node.name = name node.param1 = param1 node.param2 = param2 env:add_node(pos, node) count = count + 1 end return count end --loads the nodes represented by string `value` at position `originpos`, returning the number of nodes deserialized --based on [table.save/table.load](http://lua-users.org/wiki/SaveTableToFile) by ChillCode, available under the MIT license (GPL compatible) worldedit.deserialize_old = function(originpos, value) --obtain the node table local count = 0 local get_tables = loadstring(value) if get_tables == nil then --error loading value return count end local tables = get_tables() --transform the node table into an array of nodes for i = 1, #tables do for j, v in pairs(tables[i]) do if type(v) == "table" then tables[i][j] = tables[v[1]] end end end --load the node array local env = minetest.env for i, v in ipairs(tables[1]) do local pos = v[1] pos.x, pos.y, pos.z = originpos.x + pos.x, originpos.y + pos.y, originpos.z + pos.z env:add_node(pos, v[2]) count = count + 1 end return count end