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Dual-based cylinder
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@ -175,23 +175,35 @@ Add dome centered at WorldEdit position 1 with radius `<radius>`, composed of `<
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//dome -12 glass
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//dome 17 mesecons:wire_00000000_off
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### `//hollowcylinder x/y/z/? <length> <radius> <node>`
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### `//hollowcylinder x/y/z/? <length> <radius1> [radius2] <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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Add hollow cylinder at WorldEdit position 1 along the x/y/z/? axis with length `<length>`, base radius `<radius1>` (and top radius `[radius2]`), composed of `<node>`.
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Despite its name this command allows you to create cones (`radius2` = 0) as well as any shapes inbetween (0 < `radius2` < `radius1`).
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Swapping `radius1` and `radius2` will create the same object but upside-down.
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//hollowcylinder x +5 8 Bronze Block
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//hollowcylinder y 28 10 glass
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//hollowcylinder z -12 3 mesecons:wire_00000000_off
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//hollowcylinder ? 2 4 default:stone
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### `//cylinder x/y/z/? <length> <radius> <node>`
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//hollowcylinder y 10 10 0 walls:cobble
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//hollowcylinder x 6 0 5 Dirt
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//hollowcylinder z 20 10 20 default:desert_stone
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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/y/z/? <length> <radius1> [radius2] <node>`
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Add cylinder at WorldEdit position 1 along the x/y/z/? axis with length `<length>`, base radius `<radius1>` (and top radius `[radius2]`), composed of `<node>`.
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Can also create shapes other than cylinders, e.g. cones (see documentation above).
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//cylinder x +5 8 Bronze Block
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//cylinder y 28 10 glass
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//cylinder z -12 3 mesecons:wire_00000000_off
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//cylinder ? 2 4 default:stone
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//cylinder y 10 10 0 walls:cobble
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//cylinder x 6 0 5 Dirt
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//cylinder z 20 10 20 default:desert_stone
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### `//hollowpyramid x/y/z? <height> <node>`
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@ -432,4 +444,4 @@ or vertically in the y axis `[v]`.
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Contracts the selection in all directions by `<amount>`. If specified, the selection can be contracted horizontally in the x and z axes `[h]`
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or vertically in the y axis `[v]`.
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//outset v 5
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//outset v 5
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@ -127,9 +127,9 @@ Adds a dome centered at `pos` with radius `radius`, composed of `node_name`.
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Returns the number of nodes added.
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### count = worldedit.cylinder(pos, axis, length, radius, node_name, hollow)
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### count = worldedit.cylinder(pos, axis, length, radius1, radius2, node_name, hollow)
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Adds a cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, composed of `node_name`.
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Adds a cylinder-like at `pos` along the `axis` axis ("x" or "y" or "z") with length `length`, base radius `radius1` and top radius `radius2`, composed of `node_name`.
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Returns the number of nodes added.
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@ -92,49 +92,60 @@ end
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-- @param pos Position to center base of cylinder at.
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-- @param axis Axis ("x", "y", or "z")
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-- @param length Cylinder length.
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-- @param radius Cylinder radius.
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-- @param radius1 Cylinder base radius.
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-- @param radius2 Cylinder top radius.
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-- @param node_name Name of node to make cylinder of.
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-- @param hollow Whether the cylinder should be hollow.
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-- @return The number of nodes added.
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function worldedit.cylinder(pos, axis, length, radius, node_name, hollow)
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function worldedit.cylinder(pos, axis, length, radius1, radius2, node_name, hollow)
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local other1, other2 = worldedit.get_axis_others(axis)
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-- Backwards compatibility
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if type(radius2) == "string" then
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hollow = node_name
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node_name = radius2
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radius2 = radius1 -- straight cylinder
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end
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-- Handle negative lengths
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local current_pos = {x=pos.x, y=pos.y, z=pos.z}
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if length < 0 then
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length = -length
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current_pos[axis] = current_pos[axis] - length
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radius1, radius2 = radius2, radius1
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end
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-- Set up voxel manipulator
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local manip, area = mh.init_axis_radius_length(current_pos, axis, radius, length)
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local manip, area = mh.init_axis_radius_length(current_pos, axis, math.max(radius1, radius2), length)
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local data = mh.get_empty_data(area)
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-- Add cylinder
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-- Add desired shape (anything inbetween cylinder & cone)
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local node_id = minetest.get_content_id(node_name)
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local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
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local stride = {x=1, y=area.ystride, z=area.zstride}
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local offset = {
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x = current_pos.x - area.MinEdge.x,
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y = current_pos.y - area.MinEdge.y,
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z = current_pos.z - area.MinEdge.z,
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}
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local min_slice, max_slice = offset[axis], offset[axis] + length - 1
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local count = 0
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for index2 = -radius, radius do
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-- Offset contributed by other axis 1 plus 1 to make it 1-indexed
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local new_index2 = (index2 + offset[other1]) * stride[other1] + 1
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for index3 = -radius, radius do
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local new_index3 = new_index2 + (index3 + offset[other2]) * stride[other2]
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local squared = index2 * index2 + index3 * index3
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if squared <= max_radius and (not hollow or squared >= min_radius) then
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-- Position is in cylinder
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-- Add column along axis
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for index1 = min_slice, max_slice do
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local vi = new_index3 + index1 * stride[axis]
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for i = 0, length - 1 do
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-- Calulate radius for this "height" in the cylinder
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local radius = radius1 + (radius2 - radius1) * (i - 1) / (length - 1)
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radius = math.floor(radius + 0.5) -- round
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local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
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for index2 = -radius, radius do
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-- Offset contributed by other axis 1 plus 1 to make it 1-indexed
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local new_index2 = (index2 + offset[other1]) * stride[other1] + 1
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for index3 = -radius, radius do
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local new_index3 = new_index2 + (index3 + offset[other2]) * stride[other2]
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local squared = index2 * index2 + index3 * index3
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if squared <= max_radius and (not hollow or squared >= min_radius) then
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-- Position is in cylinder, add node here
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local vi = new_index3 + (offset[axis] + i) * stride[axis]
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data[vi] = node_id
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count = count + 1
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end
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count = count + length
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end
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end
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end
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@ -538,46 +538,65 @@ local check_cylinder = function(name, param)
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worldedit.player_notify(name, "no position 1 selected")
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return nil
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end
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local found, _, axis, length, radius, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(.+)$")
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-- two radii
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local found, _, axis, length, radius1, radius2, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(%d+)%s+(.+)$")
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if found == nil then
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-- single radius
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found, _, axis, length, radius1, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(.+)$")
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radius2 = radius1
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end
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if found == nil then
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worldedit.player_notify(name, "invalid usage: " .. param)
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return nil
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end
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local node = get_node(name, nodename)
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if not node then return nil end
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return math.ceil(math.pi * (tonumber(radius) ^ 2) * tonumber(length))
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local radius = math.max(tonumber(radius1), tonumber(radius2))
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return math.ceil(math.pi * (radius ^ 2) * tonumber(length))
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end
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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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params = "x/y/z/? <length> <radius1> [radius2] <node>",
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description = "Add hollow cylinder at WorldEdit position 1 along the x/y/z/? axis with length <length>, base radius <radius1> (and top radius [radius2]), composed of <node>",
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privs = {worldedit=true},
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func = safe_region(function(name, param)
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local found, _, axis, length, radius, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(.+)$")
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-- two radii
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local found, _, axis, length, radius1, radius2, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(%d+)%s+(.+)$")
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if found == nil then
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-- single radius
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found, _, axis, length, radius1, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(.+)$")
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radius2 = radius1
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end
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length = tonumber(length)
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if axis == "?" then
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axis, sign = worldedit.player_axis(name)
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length = length * sign
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end
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local node = get_node(name, nodename)
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local count = worldedit.cylinder(worldedit.pos1[name], axis, length, tonumber(radius), node, true)
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local count = worldedit.cylinder(worldedit.pos1[name], axis, length, tonumber(radius1), tonumber(radius2), node, true)
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worldedit.player_notify(name, count .. " nodes added")
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end, check_cylinder),
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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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params = "x/y/z/? <length> <radius1> [radius2] <node>",
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description = "Add cylinder at WorldEdit position 1 along the x/y/z/? axis with length <length>, base radius <radius1> (and top radius [radius2]), composed of <node>",
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privs = {worldedit=true},
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func = safe_region(function(name, param)
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local found, _, axis, length, radius, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(.+)$")
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-- two radii
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local found, _, axis, length, radius1, radius2, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(%d+)%s+(.+)$")
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if found == nil then
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-- single radius
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found, _, axis, length, radius1, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(%d+)%s+(.+)$")
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radius2 = radius1
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end
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length = tonumber(length)
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if axis == "?" then
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axis, sign = worldedit.player_axis(name)
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length = length * sign
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end
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local node = get_node(name, nodename)
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local count = worldedit.cylinder(worldedit.pos1[name], axis, length, tonumber(radius), node)
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local count = worldedit.cylinder(worldedit.pos1[name], axis, length, tonumber(radius1), tonumber(radius2), node)
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worldedit.player_notify(name, count .. " nodes added")
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end, check_cylinder),
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})
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