forked from mtcontrib/Minetest-WorldEdit
332 lines
10 KiB
Lua
332 lines
10 KiB
Lua
worldedit = worldedit or {}
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--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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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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--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, the new position 1, and the new position 2
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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 compare
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local extent1, extent2 = pos2[axis1] - pos1[axis1], pos2[axis2] - pos1[axis2]
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if extent1 > extent2 then
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compare = function(extent1, extent2)
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return extent1 > extent2
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end
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else
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compare = function(extent1, extent2)
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return extent1 < extent2
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end
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end
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--calculate the new position 2 after transposition
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local newpos2 = {x=pos1.x, y=pos1.y, z=pos1.z}
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newpos2[axis1] = pos1[axis1] + extent2
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newpos2[axis2] = pos1[axis2] + extent1
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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 compare(extent1, extent2) then --transpose only if below the diagonal
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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] --save position values
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pos[axis1], pos[axis2] = pos1[axis1] + extent2, pos1[axis2] + extent1 --swap axis extents
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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 --restore position values
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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), pos1, newpos2
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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
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angle = angle % 360
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local count
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if angle == 90 then
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worldedit.flip(pos1, pos2, axis1)
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count, pos1, pos2 = worldedit.transpose(pos1, pos2, axis1, axis2)
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elseif angle == 180 then
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worldedit.flip(pos1, pos2, axis1)
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count = worldedit.flip(pos1, pos2, axis2)
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elseif angle == 270 then
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worldedit.flip(pos1, pos2, axis2)
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count, pos1, pos2 = worldedit.transpose(pos1, pos2, axis1, axis2)
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end
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return count, pos1, pos2
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end
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--Fixes the Lightning in a region defined by positions `pos1` and `pos2`, returning the number of nodes dug
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worldedit.fixlight = function(pos1, pos2)
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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 d = 0
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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)
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if node.name == "air" then
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env:dig_node(pos)
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d = d + 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 d
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end
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