mirror of
https://github.com/Uberi/Minetest-WorldEdit.git
synced 2024-12-13 09:33:19 +01:00
632 lines
19 KiB
Lua
632 lines
19 KiB
Lua
--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
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worldedit.sort_pos = function(pos1, pos2)
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pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
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pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
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if pos1.x > pos2.x then
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pos2.x, pos1.x = pos1.x, pos2.x
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end
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if pos1.y > pos2.y then
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pos2.y, pos1.y = pos1.y, pos2.y
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end
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if pos1.z > pos2.z then
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pos2.z, pos1.z = pos1.z, pos2.z
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end
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return pos1, pos2
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end
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--determines the volume of the region defined by positions `pos1` and `pos2`, returning the volume
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worldedit.volume = function(pos1, pos2)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1)
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end
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--sets a region defined by positions `pos1` and `pos2` to `nodename`, returning the number of nodes filled
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worldedit.set = function(pos1, pos2, nodename)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local env = minetest.env
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local node = {name=nodename}
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local pos = {x=pos1.x, y=0, z=0}
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while pos.x <= pos2.x do
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pos.y = pos1.y
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while pos.y <= pos2.y do
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pos.z = pos1.z
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while pos.z <= pos2.z do
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env:add_node(pos, node)
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pos.z = pos.z + 1
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end
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pos.y = pos.y + 1
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end
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pos.x = pos.x + 1
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end
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return worldedit.volume(pos1, pos2)
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end
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--replaces all instances of `searchnode` with `replacenode` in a region defined by positions `pos1` and `pos2`, returning the number of nodes replaced
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worldedit.replace = function(pos1, pos2, searchnode, replacenode)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local env = minetest.env
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if minetest.registered_nodes[searchnode] == nil then
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searchnode = "default:" .. searchnode
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end
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if minetest.registered_nodes[replacenode] == nil then
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replacenode = "default:" .. replacenode
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end
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local pos = {x=pos1.x, y=0, z=0}
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local node = {name=replacenode}
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local count = 0
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while pos.x <= pos2.x do
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pos.y = pos1.y
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while pos.y <= pos2.y do
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pos.z = pos1.z
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while pos.z <= pos2.z do
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if env:get_node(pos).name == searchnode then
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env:add_node(pos, node)
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count = count + 1
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end
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pos.z = pos.z + 1
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end
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pos.y = pos.y + 1
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end
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pos.x = pos.x + 1
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end
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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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--adds a spiral at `pos` with size `size`, returning the number of nodes changed
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worldedit.spiral = function(pos, size, nodename)
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local shift_x, shift_y
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sa = spiralt(size)
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shift_y = #sa -- "Height" of the Array
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local fe = sa[1]
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shift_x = #fe -- "Width" of the Array
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fe = nil
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local count = 0
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local node = {name=nodename}
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for x, v in ipairs(sa) do
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for y, z in ipairs(v) do
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minetest.env:add_node({x=pos.x - shift_x + x,y=pos.y - shift_y + y,z=pos.z + z}, node)
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count = count + 1
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end
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end
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return count
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end
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--wip:
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sign = function(s)
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if s > 0 then
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return 1
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end
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if s < 0 then
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return -1
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end
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return 0
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end
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--wip: needs to be faster
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function spiral_index(y, x) -- returns the value at (x, y) in a spiral that starts at 1 and goes outwards
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if y == -x and y >= x then
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return (2 * y + 1) ^ 2
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end
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local l = math.max(math.abs(y), math.abs(x))
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local value
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if math.abs(y) == l then
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value = x
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if y < 0 then
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value = -value
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end
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else
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value = y
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if x < 0 then
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value = -value
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end
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end
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t1 = l * 2
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if x + y < 0 then
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t1 = -t1
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end
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t2 = y ^ 2 - x ^ 2
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if t2 < 0 then
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t2 = -t2
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end
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return ((2 * l - 1) ^ 2) + (l * 4) + t1 + (t2 * (l - value))
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end
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--wip: needs to be faster
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function spiralt(side)
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local spiral = {}
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local start, stop = math.floor((-side+1)/2), math.floor((side-1)/2)
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for i = 1, side do
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spiral[i] = {}
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for j = 1, side do
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spiral[i][j] = side ^ 2 - spiral_index(stop - i + 1,start + j - 1) --moves the coordinates so (0,0) is at the center of the spiral
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end
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end
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return spiral
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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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local env = minetest.env
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if amount < 0 then
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local pos = {x=pos1.x, y=0, z=0}
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while pos.x <= pos2.x do
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pos.y = pos1.y
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while pos.y <= pos2.y do
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pos.z = pos1.z
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while pos.z <= pos2.z do
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local node = env:get_node(pos) --obtain current node
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local meta = env:get_meta(pos):to_table() --get meta of current node
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local value = pos[axis] --store current position
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pos[axis] = value + amount --move along axis
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env:add_node(pos, node) --copy node to new position
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env:get_meta(pos):from_table(meta) --set metadata of new node
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pos[axis] = value --restore old position
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pos.z = pos.z + 1
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end
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pos.y = pos.y + 1
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end
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pos.x = pos.x + 1
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end
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else
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local pos = {x=pos2.x, y=0, z=0}
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while pos.x >= pos1.x do
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pos.y = pos2.y
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while pos.y >= pos1.y do
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pos.z = pos2.z
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while pos.z >= pos1.z do
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local node = minetest.env:get_node(pos) --obtain current node
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local meta = env:get_meta(pos):to_table() --get meta of current node
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local value = pos[axis] --store current position
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pos[axis] = value + amount --move along axis
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minetest.env:add_node(pos, node) --copy node to new position
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env:get_meta(pos):from_table(meta) --set metadata of new node
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pos[axis] = value --restore old position
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pos.z = pos.z - 1
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end
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pos.y = pos.y - 1
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end
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pos.x = pos.x - 1
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end
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end
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return worldedit.volume(pos1, pos2)
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end
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--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
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worldedit.move = function(pos1, pos2, axis, amount)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local env = minetest.env
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if amount < 0 then
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local pos = {x=pos1.x, y=0, z=0}
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while pos.x <= pos2.x do
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pos.y = pos1.y
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while pos.y <= pos2.y do
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pos.z = pos1.z
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while pos.z <= pos2.z do
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local node = env:get_node(pos) --obtain current node
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local meta = env:get_meta(pos):to_table() --get metadata of current node
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env:remove_node(pos)
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local value = pos[axis] --store current position
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pos[axis] = value + amount --move along axis
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env:add_node(pos, node) --move node to new position
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env:get_meta(pos):from_table(meta) --set metadata of new node
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pos[axis] = value --restore old position
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pos.z = pos.z + 1
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end
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pos.y = pos.y + 1
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end
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pos.x = pos.x + 1
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end
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else
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local pos = {x=pos2.x, y=0, z=0}
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while pos.x >= pos1.x do
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pos.y = pos2.y
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while pos.y >= pos1.y do
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pos.z = pos2.z
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while pos.z >= pos1.z do
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local node = env:get_node(pos) --obtain current node
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local meta = env:get_meta(pos):to_table() --get metadata of current node
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env:remove_node(pos)
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local value = pos[axis] --store current position
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pos[axis] = value + amount --move along axis
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env:add_node(pos, node) --move node to new position
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env:get_meta(pos):from_table(meta) --set metadata of new node
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pos[axis] = value --restore old position
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pos.z = pos.z - 1
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end
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pos.y = pos.y - 1
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end
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pos.x = pos.x - 1
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end
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end
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return worldedit.volume(pos1, pos2)
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end
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--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
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worldedit.stack = function(pos1, pos2, axis, count)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local length = pos2[axis] - pos1[axis] + 1
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if count < 0 then
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count = -count
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length = -length
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end
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local amount = 0
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local copy = worldedit.copy
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for i = 1, count do
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amount = amount + length
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copy(pos1, pos2, axis, amount)
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end
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return worldedit.volume(pos1, pos2)
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end
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--transposes a region defined by the positions `pos1` and `pos2` between the `axis1` and `axis2` axes, returning the number of nodes transposed
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worldedit.transpose = function(pos1, pos2, axis1, axis2)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local pos = {x=pos1.x, y=0, z=0}
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local env = minetest.env
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while pos.x <= pos2.x do
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pos.y = pos1.y
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while pos.y <= pos2.y do
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pos.z = pos1.z
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while pos.z <= pos2.z do
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local extent1, extent2 = pos[axis1] - pos1[axis1], pos[axis2] - pos1[axis2]
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if extent1 < extent2 then
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local node1 = env:get_node(pos)
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local meta1 = env:get_meta(pos):to_table()
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local value1, value2 = pos[axis1], pos[axis2]
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pos[axis1], pos[axis2] = value1 + extent2, value2 + extent1
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local node2 = env:get_node(pos)
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local meta2 = env:get_meta(pos):to_table()
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env:add_node(pos, node1)
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env:get_meta(pos):from_table(meta1)
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pos[axis1], pos[axis2] = value1, value2
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env:add_node(pos, node2)
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env:get_meta(pos):from_table(meta2)
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end
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pos.z = pos.z + 1
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end
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pos.y = pos.y + 1
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end
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pos.x = pos.x + 1
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end
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return worldedit.volume(pos1, pos2)
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end
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--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
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worldedit.flip = function(pos1, pos2, axis)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local pos = {x=pos1.x, y=0, z=0}
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local start = pos1[axis] + pos2[axis]
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pos2[axis] = pos1[axis] + math.floor((pos2[axis] - pos1[axis]) / 2)
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local env = minetest.env
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while pos.x <= pos2.x do
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pos.y = pos1.y
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while pos.y <= pos2.y do
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pos.z = pos1.z
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while pos.z <= pos2.z do
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local node1 = env:get_node(pos)
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local meta1 = env:get_meta(pos):to_table()
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local value = pos[axis]
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pos[axis] = start - value
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local node2 = env:get_node(pos)
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local meta2 = env:get_meta(pos):to_table()
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env:add_node(pos, node1)
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env:get_meta(pos):from_table(meta1)
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pos[axis] = value
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env:add_node(pos, node2)
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env:get_meta(pos):from_table(meta2)
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pos.z = pos.z + 1
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end
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pos.y = pos.y + 1
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end
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pos.x = pos.x + 1
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end
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return worldedit.volume(pos1, pos2)
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end
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--rotates a region defined by the positions `pos1` and `pos2` by `angle` degrees clockwise around axis `axis` (90 degree increment), returning the number of nodes rotated
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worldedit.rotate = function(pos1, pos2, axis, angle)
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local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local axis1, axis2
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if axis == "x" then
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axis1, axis2 = "z", "y"
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elseif axis == "y" then
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axis1, axis2 = "x", "z"
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else --axis == "z"
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axis1, axis2 = "y", "x"
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end
|
|
angle = angle % 360
|
|
|
|
if angle == 90 then
|
|
worldedit.transpose(pos1, pos2, axis1, axis2)
|
|
worldedit.flip(pos1, pos2, axis2)
|
|
elseif angle == 180 then
|
|
worldedit.flip(pos1, pos2, axis1)
|
|
worldedit.flip(pos1, pos2, axis2)
|
|
elseif angle == 270 then
|
|
worldedit.transpose(pos1, pos2, axis1, axis2)
|
|
worldedit.flip(pos1, pos2, axis1)
|
|
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
|
|
|
|
--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 |