Add //hollowcylinder and //cylinder commands, add worldedit.hollow_cylinder and worldedit.cylinder API functions, document both, use better node validity check.
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Anthony Zhang
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28
README.md
28
README.md
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@ -83,6 +83,22 @@ Replace all instances of <search node> with <place node> in the current WorldEdi
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//replace dirt flowers:flower_waterlily
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//replace flowers:flower_rose flowers:flower_tulip
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### //hollowcylinder x/y/z <length> <radius> <node>
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Add hollow cylinder at WorldEdit position 1 along the x/y/z axis with length <length> and radius <radius>, composed of <node>.
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//hollowcylinder x +5 8 dirt
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//hollowcylinder y 28 10 default:glass
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//hollowcylinder z -12 3 mesecons:mesecon
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### //cylinder x/y/z <length> <radius> <node>
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Add cylinder at WorldEdit position 1 along the x/y/z axis with length <length> and radius <radius>, composed of <node>.
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//cylinder x +5 8 dirt
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//cylinder y 28 10 default:glass
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//cylinder z -12 3 mesecons:mesecon
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### //copy x/y/z <amount>
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Copy the current WorldEdit region along the x/y/z axis by <amount> nodes.
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@ -173,6 +189,18 @@ Replaces all instances of `searchnode` with `replacenode` in a region defined by
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Returns the number of nodes replaced.
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### worldedit.hollow_cylinder(pos, axis, length, radius, nodename)
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Adds a hollow cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`.
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Returns the number of nodes added.
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### worldedit.cylinder(pos, axis, length, radius, nodename)
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Adds a cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`.
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Returns the number of nodes added.
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### worldedit.copy(pos1, pos2, axis, amount)
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Copies the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") by `amount` nodes.
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110
functions.lua
110
functions.lua
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@ -72,6 +72,116 @@ worldedit.replace = function(pos1, pos2, searchnode, replacenode)
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return count
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end
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--adds a hollow cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, returning the number of nodes added
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worldedit.hollow_cylinder = function(pos, axis, length, radius, nodename)
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local other1, other2
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if axis == "x" then
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other1, other2 = "y", "z"
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elseif axis == "y" then
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other1, other2 = "x", "z"
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else --axis == "z"
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other1, other2 = "x", "y"
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end
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local env = minetest.env
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local currentpos = {x=pos.x, y=pos.y, z=pos.z}
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local node = {name=nodename}
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local count = 0
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for i = 1, length do
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local offset1, offset2 = 0, radius
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local delta = -radius
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while offset1 <= offset2 do
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--add node at each octant
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local first1, first2 = pos[other1] + offset1, pos[other1] - offset1
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local second1, second2 = pos[other2] + offset2, pos[other2] - offset2
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currentpos[other1], currentpos[other2] = first1, second1
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env:add_node(currentpos, node) --octant 1
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currentpos[other1] = first2
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env:add_node(currentpos, node) --octant 4
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currentpos[other2] = second2
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env:add_node(currentpos, node) --octant 5
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currentpos[other1] = first1
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env:add_node(currentpos, node) --octant 8
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local first1, first2 = pos[other1] + offset2, pos[other1] - offset2
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local second1, second2 = pos[other2] + offset1, pos[other2] - offset1
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currentpos[other1], currentpos[other2] = first1, second1
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env:add_node(currentpos, node) --octant 2
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currentpos[other1] = first2
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env:add_node(currentpos, node) --octant 3
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currentpos[other2] = second2
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env:add_node(currentpos, node) --octant 6
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currentpos[other1] = first1
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env:add_node(currentpos, node) --octant 7
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count = count + 8 --wip: broken
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--move to next location
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delta = delta + (offset1 * 2) + 1
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if delta >= 0 then
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offset2 = offset2 - 1
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delta = delta - (offset2 * 2)
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end
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offset1 = offset1 + 1
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end
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currentpos[axis] = currentpos[axis] + 1
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end
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return count
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end
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--adds a cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, returning the number of nodes added
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worldedit.cylinder = function(pos, axis, length, radius, nodename)
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local other1, other2
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if axis == "x" then
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other1, other2 = "y", "z"
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elseif axis == "y" then
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other1, other2 = "x", "z"
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else --axis == "z"
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other1, other2 = "x", "y"
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end
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local env = minetest.env
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local currentpos = {x=pos.x, y=pos.y, z=pos.z}
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local node = {name=nodename}
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local count = 0
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for i = 1, length do
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local offset1, offset2 = 0, radius
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local delta = -radius
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while offset1 <= offset2 do
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--connect each pair of octants
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currentpos[other1] = pos[other1] - offset1
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local second1, second2 = pos[other2] + offset2, pos[other2] - offset2
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for i = 0, offset1 * 2 do
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currentpos[other2] = second1
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env:add_node(currentpos, node) --octant 1 to 4
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currentpos[other2] = second2
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env:add_node(currentpos, node) --octant 5 to 8
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currentpos[other1] = currentpos[other1] + 1
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end
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currentpos[other1] = pos[other1] - offset2
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local second1, second2 = pos[other2] + offset1, pos[other2] - offset1
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for i = 0, offset2 * 2 do
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currentpos[other2] = second1
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env:add_node(currentpos, node) --octant 2 to 3
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currentpos[other2] = second2
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env:add_node(currentpos, node) --octant 6 to 7
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currentpos[other1] = currentpos[other1] + 1
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end
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count = count + (offset1 * 4) + (offset2 * 4) + 4 --wip: broken
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--move to next location
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delta = delta + (offset1 * 2) + 1
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offset1 = offset1 + 1
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if delta >= 0 then
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offset2 = offset2 - 1
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delta = delta - (offset2 * 2)
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end
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end
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currentpos[axis] = currentpos[axis] + 1
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end
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return count
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end
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--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
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worldedit.copy = function(pos1, pos2, axis, amount)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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62
init.lua
62
init.lua
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@ -12,14 +12,8 @@ dofile(minetest.get_modpath("worldedit") .. "/mark.lua")
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--determines whether `nodename` is a valid node name, returning a boolean
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worldedit.node_is_valid = function(temp_pos, nodename)
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local originalnode = minetest.env:get_node(temp_pos) --save the original node to restore later
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minetest.env:add_node(temp_pos, {name=nodename}) --attempt to add the node
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local value = minetest.env:get_node(temp_pos).name --obtain the name of the newly added node
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if value == nodename or value == "default:" .. nodename then --successfully added node
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minetest.env:add_node(temp_pos, originalnode) --restore the original node
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return true --node is valid
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end
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return false --node is not valid
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return minetest.registered_nodes[nodename] ~= nil
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or minetest.registered_nodes["default:" .. nodename] ~= nil
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end
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minetest.register_chatcommand("/reset", {
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@ -181,6 +175,58 @@ minetest.register_chatcommand("/replace", {
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end,
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})
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minetest.register_chatcommand("/hollowcylinder", {
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params = "x/y/z <length> <radius> <node>",
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description = "Add hollow cylinder at WorldEdit position 1 along the x/y/z axis with length <length> and radius <radius>, composed of <node>",
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privs = {worldedit=true},
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func = function(name, param)
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local pos = worldedit.pos1[name]
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if pos == nil then
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minetest.chat_send_player(name, "No WorldEdit region selected")
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return
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end
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local found, _, axis, length, radius, nodename = param:find("^([xyz])%s+([+-]?%d+)%s+(%d+)%s+([^%s]+)$")
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if found == nil then
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minetest.chat_send_player(name, "Invalid usage: " .. param)
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return
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end
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if not worldedit.node_is_valid(pos, nodename) then
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minetest.chat_send_player(name, "Invalid node name: " .. param)
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return
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end
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local count = worldedit.hollow_cylinder(pos, axis, tonumber(length), tonumber(radius), nodename)
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minetest.chat_send_player(name, count .. " nodes added")
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end,
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})
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minetest.register_chatcommand("/cylinder", {
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params = "x/y/z <length> <radius> <node>",
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description = "Add cylinder at WorldEdit position 1 along the x/y/z axis with length <length> and radius <radius>, composed of <node>",
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privs = {worldedit=true},
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func = function(name, param)
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local pos = worldedit.pos1[name]
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if pos == nil then
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minetest.chat_send_player(name, "No WorldEdit region selected")
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return
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end
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local found, _, axis, length, radius, nodename = param:find("^([xyz])%s+([+-]?%d+)%s+(%d+)%s+([^%s]+)$")
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if found == nil then
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minetest.chat_send_player(name, "Invalid usage: " .. param)
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return
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end
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if not worldedit.node_is_valid(pos, nodename) then
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minetest.chat_send_player(name, "Invalid node name: " .. param)
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return
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end
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local count = worldedit.cylinder(pos, axis, tonumber(length), tonumber(radius), nodename)
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minetest.chat_send_player(name, count .. " nodes added")
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end,
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})
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minetest.register_chatcommand("/copy", {
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params = "x/y/z <amount>",
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description = "Copy the current WorldEdit region along the x/y/z axis by <amount> nodes",
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