mtcontrib/Minetest-WorldEdit
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Super-speed a few primitives and visualization functions, including hollowsphere, sphere, hollowdome, dome, and suppress.

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Anthony Zhang
2013-06-22 23:08:51 -04:00
parent 58970e7fab
commit 1e5f623cbb
3 changed files with 71 additions and 105 deletions
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102
worldedit/primitives.lua
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@ -1,101 +1,97 @@
worldedit = worldedit or {}
--adds a hollow sphere centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.hollow_sphere = function(pos, radius, nodename, env)
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
local min_radius = radius * (radius - 1)
local max_radius = radius * (radius + 1)
local count = 0
if env == nil then env = minetest.env end
worldedit.hollow_sphere = function(pos, radius, nodename)
local insert = table.insert
local node = {nodename, 0, 0}
local ignore = {"ignore", 0, 0}
local nodes = {}
local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
for x = -radius, radius do
pos1.x = pos.x + x
for y = -radius, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z >= min_radius and x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1
local squared = x * x + y * y + z * z
if squared >= min_radius and squared <= max_radius then
insert(nodes, node)
else
insert(nodes, ignore)
end
end
end
end
return count
minetest.place_schematic({x=pos.x - radius, y=pos.y - radius, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
end
--adds a sphere centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.sphere = function(pos, radius, nodename, env)
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
worldedit.sphere = function(pos, radius, nodename)
local insert = table.insert
local node = {nodename, 0, 0}
local ignore = {"ignore", 0, 0}
local nodes = {}
local max_radius = radius * (radius + 1)
local count = 0
if env == nil then env = minetest.env end
for x = -radius, radius do
pos1.x = pos.x + x
for y = -radius, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1
if x * x + y * y + z * z <= max_radius then
insert(nodes, node)
else
insert(nodes, ignore)
end
end
end
end
return count
minetest.place_schematic({x=pos.x - radius, y=pos.y - radius, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
end
--adds a hollow dome centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.hollow_dome = function(pos, radius, nodename, env) --wip: use bresenham sphere for maximum speed
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
local min_radius = radius * (radius - 1)
local max_radius = radius * (radius + 1)
local count = 0
if env == nil then env = minetest.env end
worldedit.hollow_dome = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
local insert = table.insert
local node = {nodename, 0, 0}
local ignore = {"ignore", 0, 0}
local nodes = {}
local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
for x = -radius, radius do
pos1.x = pos.x + x
for y = 0, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z >= min_radius and x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1
local squared = x * x + y * y + z * z
if squared >= min_radius and squared <= max_radius then
insert(nodes, node)
else
insert(nodes, ignore)
end
end
end
end
return count
minetest.place_schematic({x=pos.x - radius, y=pos.y, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
end
--adds a dome centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.dome = function(pos, radius, nodename, env) --wip: use bresenham sphere for maximum speed
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
worldedit.dome = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
local insert = table.insert
local node = {nodename, 0, 0}
local ignore = {"ignore", 0, 0}
local nodes = {}
local max_radius = radius * (radius + 1)
local count = 0
if env == nil then env = minetest.env end
for x = -radius, radius do
pos1.x = pos.x + x
for y = 0, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1
if x * x + y * y + z * z <= max_radius then
insert(nodes, node)
else
insert(nodes, ignore)
end
end
end
end
return count
minetest.place_schematic({x=pos.x - radius, y=pos.y, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
end
--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
worldedit.hollow_cylinder = function(pos, axis, length, radius, nodename, env)
worldedit.hollow_cylinder = function(pos, axis, length, radius, nodename)
local other1, other2
if axis == "x" then
other1, other2 = "y", "z"