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-rw-r--r--worldedit/manipulations.lua43
1 files changed, 31 insertions, 12 deletions
diff --git a/worldedit/manipulations.lua b/worldedit/manipulations.lua
index ad64df6..02490ff 100644
--- a/worldedit/manipulations.lua
+++ b/worldedit/manipulations.lua
@@ -191,10 +191,28 @@ worldedit.stack = function(pos1, pos2, axis, count)
return worldedit.volume(pos1, pos2)
end
---transposes a region defined by the positions `pos1` and `pos2` between the `axis1` and `axis2` axes, returning the number of nodes transposed
+--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
worldedit.transpose = function(pos1, pos2, axis1, axis2)
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ local compare
+ local extent1, extent2 = pos2[axis1] - pos1[axis1], pos2[axis2] - pos1[axis2]
+
+ if extent1 > extent2 then
+ compare = function(extent1, extent2)
+ return extent1 > extent2
+ end
+ else
+ compare = function(extent1, extent2)
+ return extent1 < extent2
+ end
+ end
+
+ --calculate the new position 2 after transposition
+ local newpos2 = {x=pos1.x, y=pos1.y, z=pos1.z}
+ newpos2[axis1] = pos1[axis1] + extent2
+ newpos2[axis2] = pos1[axis2] + extent1
+
local pos = {x=pos1.x, y=0, z=0}
local env = minetest.env
while pos.x <= pos2.x do
@@ -203,16 +221,16 @@ worldedit.transpose = function(pos1, pos2, axis1, axis2)
pos.z = pos1.z
while pos.z <= pos2.z do
local extent1, extent2 = pos[axis1] - pos1[axis1], pos[axis2] - pos1[axis2]
- if extent1 < extent2 then
+ if compare(extent1, extent2) then --transpose only if below the diagonal
local node1 = env:get_node(pos)
local meta1 = env:get_meta(pos):to_table()
- local value1, value2 = pos[axis1], pos[axis2]
- pos[axis1], pos[axis2] = value1 + extent2, value2 + extent1
+ local value1, value2 = pos[axis1], pos[axis2] --save position values
+ pos[axis1], pos[axis2] = pos1[axis1] + extent2, pos1[axis2] + extent1 --swap axis extents
local node2 = env:get_node(pos)
local meta2 = env:get_meta(pos):to_table()
env:add_node(pos, node1)
env:get_meta(pos):from_table(meta1)
- pos[axis1], pos[axis2] = value1, value2
+ pos[axis1], pos[axis2] = value1, value2 --restore position values
env:add_node(pos, node2)
env:get_meta(pos):from_table(meta2)
end
@@ -222,7 +240,7 @@ worldedit.transpose = function(pos1, pos2, axis1, axis2)
end
pos.x = pos.x + 1
end
- return worldedit.volume(pos1, pos2)
+ return worldedit.volume(pos1, pos2), pos1, newpos2
end
--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
@@ -272,17 +290,18 @@ worldedit.rotate = function(pos1, pos2, axis, angle)
end
angle = angle % 360
+ local count
if angle == 90 then
- worldedit.transpose(pos1, pos2, axis1, axis2)
- worldedit.flip(pos1, pos2, axis2)
+ worldedit.flip(pos1, pos2, axis1)
+ count, pos1, pos2 = worldedit.transpose(pos1, pos2, axis1, axis2)
elseif angle == 180 then
worldedit.flip(pos1, pos2, axis1)
- worldedit.flip(pos1, pos2, axis2)
+ count = worldedit.flip(pos1, pos2, axis2)
elseif angle == 270 then
- worldedit.transpose(pos1, pos2, axis1, axis2)
- worldedit.flip(pos1, pos2, axis1)
+ worldedit.flip(pos1, pos2, axis2)
+ count, pos1, pos2 = worldedit.transpose(pos1, pos2, axis1, axis2)
end
- return worldedit.volume(pos1, pos2)
+ return count, pos1, pos2
end
--digs a region defined by positions `pos1` and `pos2`, returning the number of nodes dug