mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-22 07:23:00 +00:00
Start working on //scale, but it isn't finished yet.
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GPG key ID:
1BE5172E637709C2
6 changed files with 299 additions and 0 deletions
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@ -30,6 +30,9 @@ dofile(worldeditadditions.modpath.."/lib/replacemix.lua")
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dofile(worldeditadditions.modpath.."/lib/maze2d.lua")
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dofile(worldeditadditions.modpath.."/lib/maze3d.lua")
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dofile(worldeditadditions.modpath.."/lib/hollow.lua")
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dofile(worldeditadditions.modpath.."/lib/scale_up.lua")
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dofile(worldeditadditions.modpath.."/lib/scale_down.lua")
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dofile(worldeditadditions.modpath.."/lib/scale.lua")
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dofile(worldeditadditions.modpath.."/lib/conv/conv.lua")
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dofile(worldeditadditions.modpath.."/lib/erode/erode.lua")
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44
worldeditadditions/lib/scale.lua
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44
worldeditadditions/lib/scale.lua
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@ -0,0 +1,44 @@
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--- Scales the defined region by the given scale factor in the given directions.
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-- Scale factor vectors containing both scale up and scale down operations are
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-- split into 2 different scale operations automatically.
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-- @param pos1 Vector Position 1 of the defined region,
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-- @param pos2 Vector Position 2 of the defined region.
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-- @param scale Vector The scale factor - as a vector - by which to scale (values between -1 and 1 are considered a scale down operation).
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-- @param direction Vector The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
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-- @return boolean, string|table Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
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function worldeditadditions.scale(pos1, pos2, scale, direction)
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if scale.x == 0 or scale.y == 0 or scale.z == 0 then
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return false, "A component of the scale factoro was 0."
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end
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local scale_down = vector.new(1, 1, 1)
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local scale_up = vector.new(1, 1, 1)
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if scale.x > -1 and scale.x < 1 then scale_down.x = scale.x end
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if scale.y > -1 and scale.y < 1 then scale_down.y = scale.y end
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if scale.z > -1 and scale.z < 1 then scale_down.z = scale.z end
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if scale.x > 1 or scale.x < -1 then scale_up.x = scale.x end
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if scale.y > 1 or scale.y < -1 then scale_up.y = scale.y end
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if scale.z > 1 or scale.z < -1 then scale_up.z = scale.z end
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local stats_total = { updated = 0, operations = 0 }
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local success, stats
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if scale_up.x ~= 1 or scale_up.y ~= 1 or scale_up.z ~= 1 then
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success, stats = worldeditadditions.scale_up(pos1, pos2, scale_up, direction)
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if not success then return success, stats end
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stats_total.updated = stats.updated
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stats_total.operations = stats_total.operations + 1
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stats_total.scale_down = stats.scale
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end
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if scale_down.x ~= 1 or scale_down.y ~= 1 or scale_down.z ~= 1 then
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success, stats = worldeditadditions.scale_down(pos1, pos2, scale_down, direction)
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if not success then return success, stats end
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stats_total.updated = stats_total.updated + stats.updated
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stats_total.operations = stats_total.operations + 1
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end
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return true, stats_total
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end
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78
worldeditadditions/lib/scale_down.lua
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78
worldeditadditions/lib/scale_down.lua
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@ -0,0 +1,78 @@
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-- ███████ ██████ █████ ██ ███████ ██████ ██████ ██ ██ ███ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██
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-- ███████ ██ ███████ ██ █████ ██ ██ ██ ██ ██ █ ██ ██ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ███ ██ ██ ██ ██
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-- ███████ ██████ ██ ██ ███████ ███████ ███████ ██████ ██████ ███ ███ ██ ████
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--- Scales the defined region down by the given scale factor in the given directions.
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-- @param pos1 Vector Position 1 of the defined region,
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-- @param pos2 Vector Position 2 of the defined region.
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-- @param scale Vector The scale factor - as a vector - by which to scale down.
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-- @param direction Vector The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
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-- @return boolean, string|table Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
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function worldeditadditions.scale_down(pos1, pos2, scale, direction)
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pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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if scale.x > 1 or scale.y > 1 or scale.z > 1 or scale.x < -1 or scale.y < -1 or scale.z < -1 then
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return false, "Error: Scale factor vectors may not mix values -1 < factor < 1 and (1 < factor or factor < -1) - in other words, you can't scale both up and down at the same time (try worldeditadditions.scale, which automatically applies such scale factor vectors as 2 successive operations)"
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end
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if direction.x == 0 or direction.y == 0 or direction.z == 0 then
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return false, "Error: One of the components of the direction vector was 0 (direction components should either be greater than or less than 0 to indicate the direction to scale in.)"
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end
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local scale_down = {
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x = math.floor(1 / scale.x),
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y = math.floor(1 / scale.y),
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z = math.floor(1 / scale.z)
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}
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print("[DEBUG] scale_down", worldeditadditions.vector.tostring(scale_down))
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local size = vector.subtract(pos2, pos1)
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local data = manip:get_data()
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local data_copy = worldeditadditions.shallowcopy(data)
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local node_id_air = minetest.get_content_id("air")
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local count = 0 -- The number of nodes replaced
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local stats = { updated = 0, scale = scale_down }
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-- Zero out the area we're scaling down into
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for i in area:iterp(pos1, pos2) do
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data_copy[i] = node_id_air
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-- We update the entire area, even though we're scaling down
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-- ....because we fill in the area we left behind with air
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stats.updated = stats.updated + 1
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end
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for z = pos2.z, pos1.z, -1 do
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for y = pos2.y, pos1.y, -1 do
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for x = pos2.x, pos1.x, -1 do
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local posi_rel = vector.subtract({ x = x, y = y, z = z }, pos1)
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local posi_copy = worldeditadditions.shallowcopy(posi_rel)
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posi_copy = vector.floor(vector.divide(scale_down))
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if direction.x < 0 then posi_copy.x = size.x - posi_copy.x end
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if direction.y < 0 then posi_copy.y = size.y - posi_copy.y end
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if direction.z < 0 then posi_copy.z = size.z - posi_copy.z end
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local posi_copy = vector.add(pos1, posi_copy)
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local i_source = area:index(x, y, z)
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local i_target = area:index(posi_copy.x, posi_copy.y, posi_copy.z)
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-- Technically we could save some operations here by not setting
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-- the target multiple times per copy, but the calculations
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-- above are probably a lot more taxing
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-- TODO Be more intelligent about deciding what node to replace with here
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data_copy[i_target] = data[i_source]
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end
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end
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end
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-- Save the modified nodes back to disk & return
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worldedit.manip_helpers.finish(manip, data_copy)
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return true, changes
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end
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75
worldeditadditions/lib/scale_up.lua
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75
worldeditadditions/lib/scale_up.lua
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@ -0,0 +1,75 @@
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-- ███████ ██████ █████ ██ ███████ ██ ██ ██████
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ██ ███████ ██ █████ ██ ██ ██████
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ██████ ██ ██ ███████ ███████ ███████ ██████ ██
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--- Scales the defined region down by the given scale factor in the given directions.
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-- @param pos1 Vector Position 1 of the defined region,
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-- @param pos2 Vector Position 2 of the defined region.
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-- @param scale Vector The scale factor - as a vector - by which to scale down.
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-- @param direction Vector The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
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-- @return boolean, string|table Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
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function worldeditadditions.scale_up(pos1, pos2, scale, direction)
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return false, "Error: Scaling up isn't implemented yet."
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-- pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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-- if scale.x > 1 or scale.y > 1 or scale.z > 1 or scale.x < -1 or scale.y < -1 or scale.z < -1 then
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-- return false, "Error: Scale factor vectors may not mix values -1 < factor < 1 and (1 < factor or factor < -1) - in other words, you can't scale both up and down at the same time (try worldeditadditions.scale, which automatically applies such scale factor vectors as 2 successive operations)"
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-- end
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-- if direction.x == 0 or direction.y == 0 or direction.z == 0 then
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-- return false, "Error: One of the components of the direction vector was 0 (direction components should either be greater than or less than 0 to indicate the direction to scale in.)"
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-- end
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--
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-- local scale_down = {
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-- x = math.floor(1 / scale.x),
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-- y = math.floor(1 / scale.y),
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-- z = math.floor(1 / scale.z)
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-- }
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-- local size = vector.subtract(pos2, pos1)
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--
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-- local data = manip:get_data()
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-- local data_copy = worldeditadditions.shallowcopy(data)
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--
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-- local node_id_air = minetest.get_content_id("air")
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--
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--
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-- local count = 0 -- The number of nodes replaced
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--
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-- -- Zero out the area we're scaling down into
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-- for i in area:iterp(pos1, pos2) do
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-- data_copy[i] = node_id_air
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-- end
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--
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-- local changes = { replaced = 0 }
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-- for z = pos2.z, pos1.z, -1 do
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-- for y = pos2.y, pos1.y, -1 do
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-- for x = pos2.x, pos1.x, -1 do
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-- local posi_rel = vector.subtract({ x = x, y = y, z = z }, pos1)
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--
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-- local posi_copy = worldeditadditions.shallowcopy(posi_rel)
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-- posi_copy = vector.floor(vector.divide(scale_down))
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--
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-- if direction.x < 0 then posi_copy.x = size.x - posi_copy.x end
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-- if direction.y < 0 then posi_copy.y = size.y - posi_copy.y end
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-- if direction.z < 0 then posi_copy.z = size.z - posi_copy.z end
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--
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-- local posi_copy = vector.add(pos1, posi_copy)
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--
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-- local i_source = area:index(x, y, z)
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-- local i_target = area:index(posi_copy.x, posi_copy.y, posi_copy.z)
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--
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-- -- Technically we could save some operations here by not setting
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-- -- the target multiple times per copy, but the calculations
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-- -- above are probably a lot more taxing
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-- -- TODO Be more intelligent about deciding what node to replace with here
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-- data_copy[i_target] = data[i_source]
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-- end
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-- end
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-- end
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--
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--
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-- -- Save the modified nodes back to disk & return
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-- worldedit.manip_helpers.finish(manip, data_copy)
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--
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-- return true, changes
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end
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98
worldeditadditions_commands/commands/scale.lua
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98
worldeditadditions_commands/commands/scale.lua
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@ -0,0 +1,98 @@
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-- ███████ ██████ █████ ██ ███████
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-- ██ ██ ██ ██ ██ ██
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-- ███████ ██ ███████ ██ █████
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-- ██ ██ ██ ██ ██ ██
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-- ███████ ██████ ██ ██ ███████ ███████
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worldedit.register_command("scale", {
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params = "<axis> <scale_factor> | <factor_x> [<factor_y> <factor_z> [<anchor_x> <anchor_y> <anchor_z>]]",
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description = "Combined scale up / down. Takes either an axis name + a scale factor (e.g. y 3 or -z 2; negative values swap the anchor point for the scale operation), or 3 scale factor values for x, y, and z respectively. In the latter mode, a set of anchors can also be specified, which indicate which size the scale operation should be anchored to.",
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privs = { worldedit = true },
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require_pos = 2,
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parse = function(params_text)
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if not params_text then params_text = "" end
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local parts = worldeditadditions.split(params_text, "%s+", false)
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local scale = vector.new(1, 1, 1)
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local direction = vector.new(1, 1, 1)
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if #parts == 2 then
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if parts[1] ~= "x" or parts[1] ~= "y" or parts[1] ~= "z"
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or parts[1] ~= "-x" or parts[1] ~= "-y" or parts[1] ~= "-z" then
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return false, "Error: Got 2 arguments, but the first doesn't look like the name of an axis."
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end
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local axis = parts[1]
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local factor = tonumber(parts[2])
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if not factor then return false, "Error: Invalid scale factor." end
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if axis:sub(1, 1) == "-" then
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axis = axis:sub(2, 2)
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direction[axis] = -1
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end
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scale[axis] = factor
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elseif #parts >= 3 then
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local val = tonumber(parts[1])
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if not val then return false, "Error: x axis scale factor wasn't a number." end
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scale.x = val
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val = tonumber(parts[2])
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if not val then return false, "Error: y axis scale factor wasn't a number." end
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scale.y = val
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val = tonumber(parts[3])
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if not val then return false, "Error: z axis scale factor wasn't a number." end
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scale.z = val
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else
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local val = tonumber(parts[1])
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if not val then
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return false, "Error: scale factor wasn't a number."
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end
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scale.x = val
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scale.y = val
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scale.z = val
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end
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if #parts == 6 then
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local val = tonumber(parts[4])
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if not val then return false, "Error: x axis anchor wasn't a number." end
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direction.x = val
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val = tonumber(parts[5])
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if not val then return false, "Error: y axis anchor wasn't a number." end
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direction.y = val
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val = tonumber(parts[6])
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if not val then return false, "Error: z axis anchor wasn't a number." end
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direction.z = val
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end
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if scale.x == 0 then return false, "Error: x scale factor was 0" end
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if scale.y == 0 then return false, "Error: y scale factor was 0" end
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if scale.z == 0 then return false, "Error: z scale factor was 0" end
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if direction.x == 0 then return false, "Error: x axis anchor was 0" end
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if direction.y == 0 then return false, "Error: y axis anchor was 0" end
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if direction.z == 0 then return false, "Error: z axis anchor was 0" end
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return true, scale, direction
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end,
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nodes_needed = function(name, scale, direction)
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local volume = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
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local factor = math.ceil(math.abs(scale.x))
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* math.ceil(math.abs(scale.y))
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* math.ceil(math.abs(scale.z))
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return volume * factor
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end,
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func = function(name, scale, direction)
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local start_time = worldeditadditions.get_ms_time()
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local success, stats = worldeditadditions.scale(pos1, pos2, scale, direction)
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if not success then return success, stats end
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-- TODO read stats here
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local time_taken = worldeditadditions.get_ms_time() - start_time
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minetest.log("action", name.." used //scale at "..worldeditadditions.vector.tostring(worldedit.pos1[name]).." - "..worldeditadditions.vector.tostring(worldedit.pos2[name])..", updating "..stats.updated.." nodes in "..time_taken.."s")
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return true, stats.updated.." nodes updated in " .. worldeditadditions.human_time(time_taken)
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end
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})
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@ -32,6 +32,7 @@ dofile(we_c.modpath.."/commands/replacemix.lua")
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dofile(we_c.modpath.."/commands/convolve.lua")
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dofile(we_c.modpath.."/commands/erode.lua")
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dofile(we_c.modpath.."/commands/hollow.lua")
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dofile(we_c.modpath.."/commands/scale.lua")
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dofile(we_c.modpath.."/commands/count.lua")
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dofile(we_c.modpath.."/commands/saplingaliases.lua")
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