Replace worldedit.spiral with worldedit.pyramid, as well as related chat commands.

This commit is contained in:
Anthony Zhang 2012-09-26 18:02:42 -04:00
parent def676cd2d
commit 382c57d008
3 changed files with 40 additions and 84 deletions

View File

@ -125,13 +125,13 @@ Add cylinder at WorldEdit position 1 along the x/y/z/? axis with length <length>
//cylinder z -12 3 mesecons:mesecon //cylinder z -12 3 mesecons:mesecon
//cylinder ? 2 4 stone //cylinder ? 2 4 stone
### //spiral <size> <node> ### //pyramid <height> <node>
Add spiral at WorldEdit position 1 with size <size>, composed of <node>. Add pyramid at WorldEdit position 1 with height <height>, composed of <node>.
//spiral 8 dirt //pyramid 8 dirt
//spiral 5 default:glass //pyramid 5 default:glass
//spiral 2 stone //pyramid 2 stone
### //copy x/y/z/? <amount> ### //copy x/y/z/? <amount>
@ -268,11 +268,11 @@ Adds a cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `
Returns the number of nodes added. Returns the number of nodes added.
### worldedit.spiral(pos, size, nodename) ### worldedit.pyramid(pos, height, nodename)
Adds a spiral at `pos` with size `size`. Adds a pyramid at `pos` with height `height`.
Returns the number of nodes changed. Returns the number of nodes added.
### worldedit.copy(pos1, pos2, axis, amount) ### worldedit.copy(pos1, pos2, axis, amount)

View File

@ -76,7 +76,7 @@ worldedit.replace = function(pos1, pos2, searchnode, replacenode)
end end
--adds a hollow sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added --adds a hollow sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.hollow_sphere = function(pos, radius, nodename) worldedit.hollow_sphere = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
local node = {name=nodename} local node = {name=nodename}
local pos1 = {x=0, y=0, z=0} local pos1 = {x=0, y=0, z=0}
local full_radius = radius * radius + radius local full_radius = radius * radius + radius
@ -96,7 +96,7 @@ worldedit.hollow_sphere = function(pos, radius, nodename)
end end
--adds a sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added --adds a sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.sphere = function(pos, radius, nodename) worldedit.sphere = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
local node = {name=nodename} local node = {name=nodename}
local pos1 = {x=0, y=0, z=0} local pos1 = {x=0, y=0, z=0}
local full_radius = radius * radius + radius local full_radius = radius * radius + radius
@ -134,7 +134,7 @@ worldedit.hollow_cylinder = function(pos, axis, length, radius, nodename)
local node = {name=nodename} local node = {name=nodename}
local count = 0 local count = 0
local step = 1 local step = 1
if length < 0 if length < 0 then
length = -length length = -length
step = -1 step = -1
end end
@ -195,7 +195,7 @@ worldedit.cylinder = function(pos, axis, length, radius, nodename)
local node = {name=nodename} local node = {name=nodename}
local count = 0 local count = 0
local step = 1 local step = 1
if length < 0 if length < 0 then
length = -length length = -length
step = -1 step = -1
end end
@ -238,79 +238,35 @@ worldedit.cylinder = function(pos, axis, length, radius, nodename)
return count return count
end end
--adds a spiral at `pos` with size `size`, composed of `nodename`, returning the number of nodes changed --adds a pyramid at `pos` with height `height`, composed of `nodename`, returning the number of nodes added
worldedit.spiral = function(pos, size, nodename) worldedit.pyramid = function(pos, height, nodename)
local shift_x, shift_y local pos1x, pos1y, pos1z = pos.x - height, pos.y, pos.z - height
sa = spiralt(size) local pos2x, pos2y, pos2z = pos.x + height, pos.y + height, pos.z + height
shift_y = #sa -- "Height" of the Array local pos = {x=0, y=pos1y, z=0}
local fe = sa[1]
shift_x = #fe -- "Width" of the Array
fe = nil
local count = 0 local count = 0
local node = {name=nodename} local node = {name=nodename}
for x, v in ipairs(sa) do local env = minetest.env
for y, z in ipairs(v) do while pos.y <= pos2y do --each vertical level of the pyramid
minetest.env:add_node({x=pos.x - shift_x + x,y=pos.y - shift_y + y,z=pos.z + z}, node) pos.x = pos1x
count = count + 1 while pos.x <= pos2x do
pos.z = pos1z
while pos.z <= pos2z do
env:add_node(pos, node)
pos.z = pos.z + 1
end
pos.x = pos.x + 1
end end
count = count + ((pos2y - pos.y) * 2 + 1) ^ 2
pos.y = pos.y + 1
pos1x, pos2x = pos1x + 1, pos2x - 1
pos1z, pos2z = pos1z + 1, pos2z - 1
end end
return count return count
end end
--wip:
sign = function(s)
if s > 0 then
return 1
end
if s < 0 then
return -1
end
return 0
end
--wip: needs to be faster
function spiral_index(y, x) -- returns the value at (x, y) in a spiral that starts at 1 and goes outwards
if y == -x and y >= x then
return (2 * y + 1) ^ 2
end
local l = math.max(math.abs(y), math.abs(x))
local value
if math.abs(y) == l then
value = x
if y < 0 then
value = -value
end
else
value = y
if x < 0 then
value = -value
end
end
t1 = l * 2
if x + y < 0 then
t1 = -t1
end
t2 = y ^ 2 - x ^ 2
if t2 < 0 then
t2 = -t2
end
return ((2 * l - 1) ^ 2) + (l * 4) + t1 + (t2 * (l - value))
end
--wip: needs to be faster
function spiralt(side)
local spiral = {}
local start, stop = math.floor((-side+1)/2), math.floor((side-1)/2)
for i = 1, side do
spiral[i] = {}
for j = 1, side do
spiral[i][j] = side ^ 2 - spiral_index(stop - i + 1,start + j - 1) --moves the coordinates so (0,0) is at the center of the spiral
end
end
return spiral
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 --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) worldedit.copy = function(pos1, pos2, axis, amount)
local pos1, pos2 = worldedit.sort_pos(pos1, pos2) local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
@ -621,7 +577,7 @@ worldedit.deserialize_old = function(originpos, value)
end end
--saves the nodes and meta defined by positions `pos1` and `pos2` into a file, returning the number of nodes saved --saves the nodes and meta defined by positions `pos1` and `pos2` into a file, returning the number of nodes saved
worldedit.metasave = function(pos1, pos2, file) worldedit.metasave = function(pos1, pos2, file) --wip: simply work with strings instead of doing IO
local path = minetest.get_worldpath() .. "/schems" local path = minetest.get_worldpath() .. "/schems"
local filename = path .. "/" .. file .. ".wem" local filename = path .. "/" .. file .. ".wem"
os.execute("mkdir \"" .. path .. "\"") --create directory if it does not already exist os.execute("mkdir \"" .. path .. "\"") --create directory if it does not already exist
@ -662,7 +618,7 @@ worldedit.metasave = function(pos1, pos2, file)
end end
--loads the nodes and meta from `file` to position `pos1`, returning the number of nodes loaded --loads the nodes and meta from `file` to position `pos1`, returning the number of nodes loaded
worldedit.metaload = function(pos1, file) worldedit.metaload = function(pos1, file) --wip: simply work with strings instead of doing IO
local filename = minetest.get_worldpath() .. "/schems/" .. file .. ".wem" local filename = minetest.get_worldpath() .. "/schems/" .. file .. ".wem"
local rows, err = table.load(filename) local rows, err = table.load(filename)
if err then return _,err end if err then return _,err end

View File

@ -271,9 +271,9 @@ minetest.register_chatcommand("/hollowcylinder", {
end, end,
}) })
minetest.register_chatcommand("/spiral", { minetest.register_chatcommand("/pyramid", {
params = "<size> <node>", params = "<height> <node>",
description = "Add spiral at WorldEdit position 1 with size <size>, composed of <node>", description = "Add pyramid at WorldEdit position 1 with height <height>, composed of <node>",
privs = {worldedit=true}, privs = {worldedit=true},
func = function(name, param) func = function(name, param)
local pos = worldedit.pos1[name] local pos = worldedit.pos1[name]
@ -292,8 +292,8 @@ minetest.register_chatcommand("/spiral", {
return return
end end
local count = worldedit.spiral(pos, tonumber(size), nodename) local count = worldedit.pyramid(pos, tonumber(size), nodename)
minetest.chat_send_player(name, count .. " nodes changed") minetest.chat_send_player(name, count .. " nodes added")
end, end,
}) })