diff options
| author | Anthony Zhang <azhang9@gmail.com> | 2012-10-13 21:45:50 -0400 |
|---|---|---|
| committer | Anthony Zhang <azhang9@gmail.com> | 2012-10-13 21:45:50 -0400 |
| commit | 1c31bd7f0d78447ea35e195b59fc1b2577ebaf18 (patch) | |
| tree | 812a403a693caf557da16404d560afa8d3cd366b /worldedit/manipulations.lua | |
| parent | 12dfbd198d117b9d76e86a056f79b7276e8db0a6 (diff) | |
Separate components into separate mods, add visualization API with hide(), suppress(), find(), and restore() for nondestructive node visualization. Corresponding chat commands are //hide, //suppress, //find, and //restore. Commands and functions documented.
Diffstat (limited to 'worldedit/manipulations.lua')
| -rw-r--r-- | worldedit/manipulations.lua | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/worldedit/manipulations.lua b/worldedit/manipulations.lua new file mode 100644 index 0000000..ad64df6 --- /dev/null +++ b/worldedit/manipulations.lua @@ -0,0 +1,307 @@ +worldedit = worldedit or {}
+
+--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
+worldedit.sort_pos = function(pos1, pos2)
+ pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
+ pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
+ if pos1.x > pos2.x then
+ pos2.x, pos1.x = pos1.x, pos2.x
+ end
+ if pos1.y > pos2.y then
+ pos2.y, pos1.y = pos1.y, pos2.y
+ end
+ if pos1.z > pos2.z then
+ pos2.z, pos1.z = pos1.z, pos2.z
+ end
+ return pos1, pos2
+end
+
+--determines the volume of the region defined by positions `pos1` and `pos2`, returning the volume
+worldedit.volume = function(pos1, pos2)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1)
+end
+
+--sets a region defined by positions `pos1` and `pos2` to `nodename`, returning the number of nodes filled
+worldedit.set = function(pos1, pos2, nodename)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ local env = minetest.env
+
+ local node = {name=nodename}
+ 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:add_node(pos, node)
+ pos.z = pos.z + 1
+ end
+ pos.y = pos.y + 1
+ end
+ pos.x = pos.x + 1
+ end
+ return worldedit.volume(pos1, pos2)
+end
+
+--replaces all instances of `searchnode` with `replacenode` in a region defined by positions `pos1` and `pos2`, returning the number of nodes replaced
+worldedit.replace = function(pos1, pos2, searchnode, replacenode)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ local env = minetest.env
+
+ if minetest.registered_nodes[searchnode] == nil then
+ searchnode = "default:" .. searchnode
+ end
+
+ local pos = {x=pos1.x, y=0, z=0}
+ local node = {name=replacenode}
+ local count = 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
+ if env:get_node(pos).name == searchnode then
+ env:add_node(pos, node)
+ count = count + 1
+ end
+ pos.z = pos.z + 1
+ end
+ pos.y = pos.y + 1
+ end
+ pos.x = pos.x + 1
+ end
+ return count
+end
+
+--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
+worldedit.copy = function(pos1, pos2, axis, amount)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ local env = minetest.env
+
+ if amount < 0 then
+ 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
+ local node = env:get_node(pos) --obtain current node
+ local meta = env:get_meta(pos):to_table() --get meta of current node
+ local value = pos[axis] --store current position
+ pos[axis] = value + amount --move along axis
+ env:add_node(pos, node) --copy node to new position
+ env:get_meta(pos):from_table(meta) --set metadata of new node
+ pos[axis] = value --restore old position
+ pos.z = pos.z + 1
+ end
+ pos.y = pos.y + 1
+ end
+ pos.x = pos.x + 1
+ end
+ else
+ local pos = {x=pos2.x, y=0, z=0}
+ while pos.x >= pos1.x do
+ pos.y = pos2.y
+ while pos.y >= pos1.y do
+ pos.z = pos2.z
+ while pos.z >= pos1.z do
+ local node = minetest.env:get_node(pos) --obtain current node
+ local meta = env:get_meta(pos):to_table() --get meta of current node
+ local value = pos[axis] --store current position
+ pos[axis] = value + amount --move along axis
+ minetest.env:add_node(pos, node) --copy node to new position
+ env:get_meta(pos):from_table(meta) --set metadata of new node
+ pos[axis] = value --restore old position
+ pos.z = pos.z - 1
+ end
+ pos.y = pos.y - 1
+ end
+ pos.x = pos.x - 1
+ end
+ end
+ return worldedit.volume(pos1, pos2)
+end
+
+--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
+worldedit.move = function(pos1, pos2, axis, amount)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ local env = minetest.env
+
+ if amount < 0 then
+ 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
+ local node = env:get_node(pos) --obtain current node
+ local meta = env:get_meta(pos):to_table() --get metadata of current node
+ env:remove_node(pos)
+ local value = pos[axis] --store current position
+ pos[axis] = value + amount --move along axis
+ env:add_node(pos, node) --move node to new position
+ env:get_meta(pos):from_table(meta) --set metadata of new node
+ pos[axis] = value --restore old position
+ pos.z = pos.z + 1
+ end
+ pos.y = pos.y + 1
+ end
+ pos.x = pos.x + 1
+ end
+ else
+ local pos = {x=pos2.x, y=0, z=0}
+ while pos.x >= pos1.x do
+ pos.y = pos2.y
+ while pos.y >= pos1.y do
+ pos.z = pos2.z
+ while pos.z >= pos1.z do
+ local node = env:get_node(pos) --obtain current node
+ local meta = env:get_meta(pos):to_table() --get metadata of current node
+ env:remove_node(pos)
+ local value = pos[axis] --store current position
+ pos[axis] = value + amount --move along axis
+ env:add_node(pos, node) --move node to new position
+ env:get_meta(pos):from_table(meta) --set metadata of new node
+ pos[axis] = value --restore old position
+ pos.z = pos.z - 1
+ end
+ pos.y = pos.y - 1
+ end
+ pos.x = pos.x - 1
+ end
+ end
+ return worldedit.volume(pos1, pos2)
+end
+
+--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
+worldedit.stack = function(pos1, pos2, axis, count)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+ local length = pos2[axis] - pos1[axis] + 1
+ if count < 0 then
+ count = -count
+ length = -length
+ end
+ local amount = 0
+ local copy = worldedit.copy
+ for i = 1, count do
+ amount = amount + length
+ copy(pos1, pos2, axis, amount)
+ end
+ 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
+worldedit.transpose = function(pos1, pos2, axis1, axis2)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+
+ local pos = {x=pos1.x, y=0, z=0}
+ 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 extent1, extent2 = pos[axis1] - pos1[axis1], pos[axis2] - pos1[axis2]
+ if extent1 < extent2 then
+ 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 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
+ env:add_node(pos, node2)
+ env:get_meta(pos):from_table(meta2)
+ end
+ pos.z = pos.z + 1
+ end
+ pos.y = pos.y + 1
+ end
+ pos.x = pos.x + 1
+ end
+ return worldedit.volume(pos1, pos2)
+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
+worldedit.flip = function(pos1, pos2, axis)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+
+ local pos = {x=pos1.x, y=0, z=0}
+ local start = pos1[axis] + pos2[axis]
+ pos2[axis] = pos1[axis] + math.floor((pos2[axis] - pos1[axis]) / 2)
+ 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 node1 = env:get_node(pos)
+ local meta1 = env:get_meta(pos):to_table()
+ local value = pos[axis]
+ pos[axis] = start - value
+ 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[axis] = value
+ env:add_node(pos, node2)
+ env:get_meta(pos):from_table(meta2)
+ pos.z = pos.z + 1
+ end
+ pos.y = pos.y + 1
+ end
+ pos.x = pos.x + 1
+ end
+ return worldedit.volume(pos1, pos2)
+end
+
+--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
+worldedit.rotate = function(pos1, pos2, axis, angle)
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+
+ local axis1, axis2
+ if axis == "x" then
+ axis1, axis2 = "z", "y"
+ elseif axis == "y" then
+ axis1, axis2 = "x", "z"
+ else --axis == "z"
+ axis1, axis2 = "y", "x"
+ 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
\ No newline at end of file |