local pos1, pos2 = worldedit.sort_pos(pos1, pos2)\r
local env = minetest.env\r
\r
- if searchnode:find(":") == nil then\r
+ if minetest.registered_nodes[searchnode] == nil then\r
searchnode = "default:" .. searchnode\r
end\r
+ if minetest.registered_nodes[replacenode] == nil then\r
+ replacenode = "default:" .. replacenode\r
+ end\r
\r
local pos = {x=pos1.x, y=0, z=0}\r
local node = {name=replacenode}\r
return count\r
end\r
\r
+--adds a hollow sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added\r
+worldedit.hollow_sphere = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed\r
+ local node = {name=nodename}\r
+ local pos1 = {x=0, y=0, z=0}\r
+ local full_radius = radius * radius + radius\r
+ local env = minetest.env\r
+ for x = -radius, radius do\r
+ pos1.x = pos.x + x\r
+ for y = -radius, radius do\r
+ pos1.y = pos.y + y\r
+ for z = -radius, radius do\r
+ if x*x+y*y+z*z >= (radius-1) * (radius-1) + (radius-1) and x*x+y*y+z*z <= full_radius then\r
+ pos1.z = pos.z + z\r
+ env:add_node({x=pos.x+x,y=pos.y+y,z=pos.z+z}, node)\r
+ end\r
+ end\r
+ end\r
+ end\r
+end\r
+\r
+--adds a sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added\r
+worldedit.sphere = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed\r
+ local node = {name=nodename}\r
+ local pos1 = {x=0, y=0, z=0}\r
+ local full_radius = radius * radius + radius\r
+ local count = 0\r
+ local env = minetest.env\r
+ for x = -radius, radius do\r
+ pos1.x = pos.x + x\r
+ for y = -radius, radius do\r
+ pos1.y = pos.y + y\r
+ for z = -radius, radius do\r
+ if x*x+y*y+z*z <= full_radius then\r
+ pos1.z = pos.z + z\r
+ env:add_node(pos1, node)\r
+ count = count + 1\r
+ end\r
+ end\r
+ end\r
+ end\r
+ return count\r
+end\r
+\r
+--adds a hollow cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, composed of `nodename`, returning the number of nodes added\r
+worldedit.hollow_cylinder = function(pos, axis, length, radius, nodename)\r
+ local other1, other2\r
+ if axis == "x" then\r
+ other1, other2 = "y", "z"\r
+ elseif axis == "y" then\r
+ other1, other2 = "x", "z"\r
+ else --axis == "z"\r
+ other1, other2 = "x", "y"\r
+ end\r
+\r
+ local env = minetest.env\r
+ local currentpos = {x=pos.x, y=pos.y, z=pos.z}\r
+ local node = {name=nodename}\r
+ local count = 0\r
+ local step = 1\r
+ if length < 0 then\r
+ length = -length\r
+ step = -1\r
+ end\r
+ for i = 1, length do\r
+ local offset1, offset2 = 0, radius\r
+ local delta = -radius\r
+ while offset1 <= offset2 do\r
+ --add node at each octant\r
+ local first1, first2 = pos[other1] + offset1, pos[other1] - offset1\r
+ local second1, second2 = pos[other2] + offset2, pos[other2] - offset2\r
+ currentpos[other1], currentpos[other2] = first1, second1\r
+ env:add_node(currentpos, node) --octant 1\r
+ currentpos[other1] = first2\r
+ env:add_node(currentpos, node) --octant 4\r
+ currentpos[other2] = second2\r
+ env:add_node(currentpos, node) --octant 5\r
+ currentpos[other1] = first1\r
+ env:add_node(currentpos, node) --octant 8\r
+ local first1, first2 = pos[other1] + offset2, pos[other1] - offset2\r
+ local second1, second2 = pos[other2] + offset1, pos[other2] - offset1\r
+ currentpos[other1], currentpos[other2] = first1, second1\r
+ env:add_node(currentpos, node) --octant 2\r
+ currentpos[other1] = first2\r
+ env:add_node(currentpos, node) --octant 3\r
+ currentpos[other2] = second2\r
+ env:add_node(currentpos, node) --octant 6\r
+ currentpos[other1] = first1\r
+ env:add_node(currentpos, node) --octant 7\r
+\r
+ count = count + 8 --wip: broken\r
+\r
+ --move to next location\r
+ delta = delta + (offset1 * 2) + 1\r
+ if delta >= 0 then\r
+ offset2 = offset2 - 1\r
+ delta = delta - (offset2 * 2)\r
+ end\r
+ offset1 = offset1 + 1\r
+ end\r
+ currentpos[axis] = currentpos[axis] + step\r
+ end\r
+ return count\r
+end\r
+\r
+--adds a cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, composed of `nodename`, returning the number of nodes added\r
+worldedit.cylinder = function(pos, axis, length, radius, nodename)\r
+ local other1, other2\r
+ if axis == "x" then\r
+ other1, other2 = "y", "z"\r
+ elseif axis == "y" then\r
+ other1, other2 = "x", "z"\r
+ else --axis == "z"\r
+ other1, other2 = "x", "y"\r
+ end\r
+\r
+ local env = minetest.env\r
+ local currentpos = {x=pos.x, y=pos.y, z=pos.z}\r
+ local node = {name=nodename}\r
+ local count = 0\r
+ local step = 1\r
+ if length < 0 then\r
+ length = -length\r
+ step = -1\r
+ end\r
+ for i = 1, length do\r
+ local offset1, offset2 = 0, radius\r
+ local delta = -radius\r
+ while offset1 <= offset2 do\r
+ --connect each pair of octants\r
+ currentpos[other1] = pos[other1] - offset1\r
+ local second1, second2 = pos[other2] + offset2, pos[other2] - offset2\r
+ for i = 0, offset1 * 2 do\r
+ currentpos[other2] = second1\r
+ env:add_node(currentpos, node) --octant 1 to 4\r
+ currentpos[other2] = second2\r
+ env:add_node(currentpos, node) --octant 5 to 8\r
+ currentpos[other1] = currentpos[other1] + 1\r
+ end\r
+ currentpos[other1] = pos[other1] - offset2\r
+ local second1, second2 = pos[other2] + offset1, pos[other2] - offset1\r
+ for i = 0, offset2 * 2 do\r
+ currentpos[other2] = second1\r
+ env:add_node(currentpos, node) --octant 2 to 3\r
+ currentpos[other2] = second2\r
+ env:add_node(currentpos, node) --octant 6 to 7\r
+ currentpos[other1] = currentpos[other1] + 1\r
+ end\r
+\r
+ count = count + (offset1 * 4) + (offset2 * 4) + 4 --wip: broken\r
+\r
+ --move to next location\r
+ delta = delta + (offset1 * 2) + 1\r
+ offset1 = offset1 + 1\r
+ if delta >= 0 then\r
+ offset2 = offset2 - 1\r
+ delta = delta - (offset2 * 2)\r
+ end\r
+ end\r
+ currentpos[axis] = currentpos[axis] + step\r
+ end\r
+ return count\r
+end\r
+\r
+--adds a pyramid at `pos` with height `height`, composed of `nodename`, returning the number of nodes added\r
+worldedit.pyramid = function(pos, height, nodename)\r
+ local pos1x, pos1y, pos1z = pos.x - height, pos.y, pos.z - height\r
+ local pos2x, pos2y, pos2z = pos.x + height, pos.y + height, pos.z + height\r
+ local pos = {x=0, y=pos1y, z=0}\r
+\r
+ local count = 0\r
+ local node = {name=nodename}\r
+ local env = minetest.env\r
+ while pos.y <= pos2y do --each vertical level of the pyramid\r
+ pos.x = pos1x\r
+ while pos.x <= pos2x do\r
+ pos.z = pos1z\r
+ while pos.z <= pos2z do\r
+ env:add_node(pos, node)\r
+ pos.z = pos.z + 1\r
+ end\r
+ pos.x = pos.x + 1\r
+ end\r
+ count = count + ((pos2y - pos.y) * 2 + 1) ^ 2\r
+ pos.y = pos.y + 1\r
+\r
+ pos1x, pos2x = pos1x + 1, pos2x - 1\r
+ pos1z, pos2z = pos1z + 1, pos2z - 1\r
+\r
+ end\r
+ return count\r
+end\r
+\r
+--adds a spiral at `pos` with width `width`, height `height`, space between walls `spacer`, composed of `nodename`, returning the number of nodes added\r
+worldedit.spiral = function(pos, width, height, spacer, nodename) --wip: clean this up\r
+ -- spiral matrix - http://rosettacode.org/wiki/Spiral_matrix#Lua\r
+ av, sn = math.abs, function(s) return s~=0 and s/av(s) or 0 end\r
+ local function sindex(z, x) -- returns the value at (x, z) in a spiral that starts at 1 and goes outwards\r
+ if z == -x and z >= x then return (2*z+1)^2 end\r
+ local l = math.max(av(z), av(x))\r
+ return (2*l-1)^2+4*l+2*l*sn(x+z)+sn(z^2-x^2)*(l-(av(z)==l and sn(z)*x or sn(x)*z)) -- OH GOD WHAT\r
+ end\r
+ local function spiralt(side)\r
+ local ret, id, start, stop = {}, 0, math.floor((-side+1)/2), math.floor((side-1)/2)\r
+ for i = 1, side do\r
+ for j = 1, side do\r
+ local id = side^2 - sindex(stop - i + 1,start + j - 1)\r
+ ret[id] = {x=i,z=j}\r
+ end\r
+ end\r
+ return ret\r
+ end\r
+ -- connect the joined parts\r
+ local spiral = spiralt(width)\r
+ height = tonumber(height)\r
+ if height < 1 then height = 1 end\r
+ spacer = tonumber(spacer)-1\r
+ if spacer < 1 then spacer = 1 end\r
+ local count = 0\r
+ local node = {name=nodename}\r
+ local np,lp\r
+ for y=0,height do\r
+ lp = nil\r
+ for _,v in ipairs(spiral) do\r
+ np = {x=pos.x+v.x*spacer, y=pos.y+y, z=pos.z+v.z*spacer}\r
+ if lp~=nil then\r
+ if lp.x~=np.x then \r
+ if lp.x<np.x then \r
+ for i=lp.x+1,np.x do\r
+ minetest.env:add_node({x=i, y=np.y, z=np.z}, node)\r
+ count = count + 1\r
+ end\r
+ else\r
+ for i=np.x,lp.x-1 do\r
+ minetest.env:add_node({x=i, y=np.y, z=np.z}, node)\r
+ count = count + 1\r
+ end\r
+ end\r
+ end\r
+ if lp.z~=np.z then \r
+ if lp.z<np.z then \r
+ for i=lp.z+1,np.z do\r
+ minetest.env:add_node({x=np.x, y=np.y, z=i}, node)\r
+ count = count + 1\r
+ end\r
+ else\r
+ for i=np.z,lp.z-1 do\r
+ minetest.env:add_node({x=np.x, y=np.y, z=i}, node)\r
+ count = count + 1\r
+ end\r
+ end\r
+ end\r
+ end\r
+ lp = np\r
+ end\r
+ end\r
+ return count\r
+end\r
+\r
--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\r
worldedit.copy = function(pos1, pos2, axis, amount)\r
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)\r
while pos.y <= pos2.y do\r
pos.z = pos1.z\r
while pos.z <= pos2.z do\r
- local node = env:get_node(pos)\r
- local value = pos[axis]\r
- pos[axis] = value - amount\r
- env:add_node(pos, node)\r
- pos[axis] = value\r
+ local node = env:get_node(pos) --obtain current node\r
+ local meta = env:get_meta(pos):to_table() --get meta of current node\r
+ local value = pos[axis] --store current position\r
+ pos[axis] = value + amount --move along axis\r
+ env:add_node(pos, node) --copy node to new position\r
+ env:get_meta(pos):from_table(meta) --set metadata of new node\r
+ pos[axis] = value --restore old position\r
pos.z = pos.z + 1\r
end\r
pos.y = pos.y + 1\r
while pos.y >= pos1.y do\r
pos.z = pos2.z\r
while pos.z >= pos1.z do\r
- local node = minetest.env:get_node(pos)\r
- local value = pos[axis]\r
- pos[axis] = value + amount\r
- minetest.env:add_node(pos, node)\r
- pos[axis] = value\r
+ local node = minetest.env:get_node(pos) --obtain current node\r
+ local meta = env:get_meta(pos):to_table() --get meta of current node\r
+ local value = pos[axis] --store current position\r
+ pos[axis] = value + amount --move along axis\r
+ minetest.env:add_node(pos, node) --copy node to new position\r
+ env:get_meta(pos):from_table(meta) --set metadata of new node\r
+ pos[axis] = value --restore old position\r
pos.z = pos.z - 1\r
end\r
pos.y = pos.y - 1\r
while pos.y <= pos2.y do\r
pos.z = pos1.z\r
while pos.z <= pos2.z do\r
- local node = env:get_node(pos)\r
+ local node = env:get_node(pos) --obtain current node\r
+ local meta = env:get_meta(pos):to_table() --get metadata of current node\r
env:remove_node(pos)\r
- local value = pos[axis]\r
- pos[axis] = value - amount\r
- env:add_node(pos, node)\r
- pos[axis] = value\r
+ local value = pos[axis] --store current position\r
+ pos[axis] = value + amount --move along axis\r
+ env:add_node(pos, node) --move node to new position\r
+ env:get_meta(pos):from_table(meta) --set metadata of new node\r
+ pos[axis] = value --restore old position\r
pos.z = pos.z + 1\r
end\r
pos.y = pos.y + 1\r
while pos.y >= pos1.y do\r
pos.z = pos2.z\r
while pos.z >= pos1.z do\r
- local node = minetest.env:get_node(pos)\r
+ local node = env:get_node(pos) --obtain current node\r
+ local meta = env:get_meta(pos):to_table() --get metadata of current node\r
env:remove_node(pos)\r
- local value = pos[axis]\r
- pos[axis] = value + amount\r
- minetest.env:add_node(pos, node)\r
- pos[axis] = value\r
+ local value = pos[axis] --store current position\r
+ pos[axis] = value + amount --move along axis\r
+ env:add_node(pos, node) --move node to new position\r
+ env:get_meta(pos):from_table(meta) --set metadata of new node\r
+ pos[axis] = value --restore old position\r
pos.z = pos.z - 1\r
end\r
pos.y = pos.y - 1\r
worldedit.stack = function(pos1, pos2, axis, count)\r
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)\r
local length = pos2[axis] - pos1[axis] + 1\r
- local amount = 0\r
- local copy = worldedit.copy\r
if count < 0 then\r
count = -count\r
length = -length\r
end\r
+ local amount = 0\r
+ local copy = worldedit.copy\r
for i = 1, count do\r
amount = amount + length\r
copy(pos1, pos2, axis, amount)\r
local extent1, extent2 = pos[axis1] - pos1[axis1], pos[axis2] - pos1[axis2]\r
if extent1 < extent2 then\r
local node1 = env:get_node(pos)\r
+ local meta1 = env:get_meta(pos):to_table()\r
local value1, value2 = pos[axis1], pos[axis2]\r
- pos[axis1], pos[axis2] = pos1[axis1] + extent1, pos1[axis2] + extent2\r
+ pos[axis1], pos[axis2] = value1 + extent2, value2 + extent1\r
local node2 = env:get_node(pos)\r
+ local meta2 = env:get_meta(pos):to_table()\r
env:add_node(pos, node1)\r
+ env:get_meta(pos):from_table(meta1)\r
pos[axis1], pos[axis2] = value1, value2\r
env:add_node(pos, node2)\r
+ env:get_meta(pos):from_table(meta2)\r
end\r
pos.z = pos.z + 1\r
end\r
pos.z = pos1.z\r
while pos.z <= pos2.z do\r
local node1 = env:get_node(pos)\r
+ local meta1 = env:get_meta(pos):to_table()\r
local value = pos[axis]\r
pos[axis] = start - value\r
local node2 = env:get_node(pos)\r
+ local meta2 = env:get_meta(pos):to_table()\r
env:add_node(pos, node1)\r
+ env:get_meta(pos):from_table(meta1)\r
pos[axis] = value\r
env:add_node(pos, node2)\r
+ env:get_meta(pos):from_table(meta2)\r
pos.z = pos.z + 1\r
end\r
pos.y = pos.y + 1\r
return worldedit.volume(pos1, pos2)\r
end\r
\r
---rotates a region defined by the positions `pos1` and `pos2` by `angle` degrees clockwise around the y axis (supporting 90 degree increments only), returning the number of nodes rotated\r
-worldedit.rotate = function(pos1, pos2, angle)\r
+--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\r
+worldedit.rotate = function(pos1, pos2, axis, angle)\r
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)\r
\r
+ local axis1, axis2\r
+ if axis == "x" then\r
+ axis1, axis2 = "z", "y"\r
+ elseif axis == "y" then\r
+ axis1, axis2 = "x", "z"\r
+ else --axis == "z"\r
+ axis1, axis2 = "y", "x"\r
+ end\r
angle = angle % 360\r
\r
- local pos = {x=pos1.x, y=0, z=0}\r
- local newpos = {x=0, y=0, z=0}\r
- local offsetx, offsetz\r
- local env = minetest.env\r
-\r
if angle == 90 then\r
- worldedit.transpose(pos1, pos2, "x", "z")\r
- pos1.x, pos1.z = pos1.z, pos1.x\r
- pos2.x, pos2.z = pos2.z, pos2.x\r
- worldedit.flip(pos1, pos2, "z")\r
+ worldedit.transpose(pos1, pos2, axis1, axis2)\r
+ worldedit.flip(pos1, pos2, axis2)\r
elseif angle == 180 then\r
- worldedit.flip(pos1, pos2, "x")\r
- worldedit.flip(pos1, pos2, "z")\r
+ worldedit.flip(pos1, pos2, axis1)\r
+ worldedit.flip(pos1, pos2, axis2)\r
elseif angle == 270 then\r
- worldedit.transpose(pos1, pos2, "x", "z")\r
- pos1.x, pos1.z = pos1.z, pos1.x\r
- pos2.x, pos2.z = pos2.z, pos2.x\r
- worldedit.flip(pos1, pos2, "x")\r
- else\r
- return 0\r
+ worldedit.transpose(pos1, pos2, axis1, axis2)\r
+ worldedit.flip(pos1, pos2, axis1)\r
end\r
return worldedit.volume(pos1, pos2)\r
end\r
count = count + 1\r
end\r
return count\r
+end\r
+\r
+--saves the nodes and meta defined by positions `pos1` and `pos2` into a file, returning the number of nodes saved\r
+worldedit.metasave = function(pos1, pos2, file) --wip: simply work with strings instead of doing IO\r
+ local path = minetest.get_worldpath() .. "/schems"\r
+ local filename = path .. "/" .. file .. ".wem"\r
+ os.execute("mkdir \"" .. path .. "\"") --create directory if it does not already exist\r
+ local rows = {}\r
+ local pos1, pos2 = worldedit.sort_pos(pos1, pos2)\r
+ local pos = {x=pos1.x, y=0, z=0}\r
+ local count = 0\r
+ local result = {}\r
+ local env = minetest.env\r
+ while pos.x <= pos2.x do\r
+ pos.y = pos1.y\r
+ while pos.y <= pos2.y do\r
+ pos.z = pos1.z\r
+ while pos.z <= pos2.z do\r
+ local node = env:get_node(pos)\r
+ if node.name ~= "air" and node.name ~= "ignore" then\r
+ count = count + 1\r
+ local row = {\r
+ x = pos.x-pos1.x,\r
+ y = pos.y-pos1.y,\r
+ z = pos.z-pos1.z,\r
+ name = node.name,\r
+ param1 = node.param1,\r
+ param2 = node.param2,\r
+ meta = env:get_meta(pos):to_table(),\r
+ }\r
+ table.insert(rows, row)\r
+ end\r
+ pos.z = pos.z + 1\r
+ end\r
+ pos.y = pos.y + 1\r
+ end\r
+ pos.x = pos.x + 1\r
+ end\r
+ local err = table.save(rows,filename)\r
+ if err then return _,err end\r
+ return count\r
+end\r
+\r
+--loads the nodes and meta from `file` to position `pos1`, returning the number of nodes loaded\r
+worldedit.metaload = function(pos1, file) --wip: simply work with strings instead of doing IO\r
+ local filename = minetest.get_worldpath() .. "/schems/" .. file .. ".wem"\r
+ local rows, err = table.load(filename)\r
+ if err then return _,err end\r
+ local pos = {x=0, y=0, z=0}\r
+ local node = {name="", param1=0, param2=0}\r
+ local count = 0\r
+ local env = minetest.env\r
+ for i,row in pairs(rows) do\r
+ pos.x = pos1.x + tonumber(row.x)\r
+ pos.y = pos1.y + tonumber(row.y)\r
+ pos.z = pos1.z + tonumber(row.z)\r
+ node.name = row.name\r
+ node.param1 = row.param1\r
+ node.param2 = row.param2\r
+ env:add_node(pos, node)\r
+ env:get_meta(pos):from_table(row.meta)\r
+ count = count + 1\r
+ end\r
+ return count\r
end
\ No newline at end of file
projects / worldedit.git / blobdiff