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

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This commit is contained in:
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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2
worldedit/manipulations.lua
View File

@ -67,7 +67,7 @@ worldedit.replaceinverse = function(pos1, pos2, searchnode, replacenode, env)
local pos = {x=pos1.x, y=0, z=0}
local node = {name=replacenode}
local count = 0
while pos.x <= pos2.x do --wip: see if this can be sped up like worldedit.replace
while pos.x <= pos2.x do --wip: see if this can be sped up like worldedit.replace, except with hashed found node positions and testing against the set
pos.y = pos1.y
while pos.y <= pos2.y do
pos.z = pos1.z

102
worldedit/primitives.lua
View File

@ -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"

72
worldedit/visualization.lua
View File

@ -63,35 +63,18 @@ worldedit.suppress = function(pos1, pos2, nodename, tenv)
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
if env == nil then env = minetest.env end
if minetest.registered_nodes[nodename] == nil then
nodename = "default:" .. nodename
end
local pos = {x=pos1.x, y=0, z=0}
local placeholder = {name="worldedit:placeholder", param1=0, param2=0}
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
local node = env:get_node(pos)
if node.name == nodename then
placeholder.param1, placeholder.param2 = node.param1, node.param2 --copy node's param1 and param2
local data = env:get_meta(pos):to_table() --obtain metadata of original node
env:add_node(pos, placeholder) --add placeholder node
local meta = env:get_meta(pos) --obtain placeholder meta
meta:from_table(data) --set placeholder metadata to the original node's metadata
meta:set_string("worldedit_placeholder", nodename) --add the node's name
count = count + 1
end
pos.z = pos.z + 1
end
pos.y = pos.y + 1
end
pos.x = pos.x + 1
local nodes = minetest.find_nodes_in_area(pos1, pos2, nodename)
for _, pos in ipairs(nodes) do
local node = env:get_node(pos)
placeholder.param1, placeholder.param2 = node.param1, node.param2 --copy node's param1 and param2
local data = env:get_meta(pos):to_table() --obtain metadata of original node
env:add_node(pos, placeholder) --add placeholder node
local meta = env:get_meta(pos) --obtain placeholder meta
meta:from_table(data) --set placeholder metadata to the original node's metadata
meta:set_string("worldedit_placeholder", nodename) --add the node's name
end
return count
return #nodes
end
--highlights all instances of `nodename` in a region defined by positions `pos1` and `pos2` by non-destructively hiding all other nodes, returning the number of nodes found
@ -106,7 +89,7 @@ worldedit.highlight = function(pos1, pos2, nodename, tenv)
local pos = {x=pos1.x, y=0, z=0}
local placeholder = {name="worldedit:placeholder", param1=0, param2=0}
local count = 0
while pos.x <= pos2.x do
while pos.x <= pos2.x do --wip: see if this can be sped up like worldedit.suppress, except with hashed found node positions and testing against the set
pos.y = pos1.y
while pos.y <= pos2.y do
pos.z = pos1.z
@ -136,29 +119,16 @@ worldedit.restore = function(pos1, pos2, tenv)
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
if env == nil then env = minetest.env end
local pos = {x=pos1.x, y=0, z=0}
local node = {name="", param1=0, param2=0}
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
local currentnode = env:get_node(pos)
if currentnode.name == "worldedit:placeholder" then
node.param1, node.param2 = currentnode.param1, currentnode.param2 --copy node's param1 and param2
local data = env:get_meta(pos):to_table() --obtain node metadata
node.name = data.fields.worldedit_placeholder --set node name
data.fields.worldedit_placeholder = nil --delete old nodename
env:add_node(pos, node) --add original node
env:get_meta(pos):from_table(data) --set original node metadata
count = count + 1
end
pos.z = pos.z + 1
end
pos.y = pos.y + 1
end
pos.x = pos.x + 1
local nodes = minetest.find_nodes_in_area(pos1, pos2, nodename)
for _, pos in ipairs(nodes) do
local currentnode = env:get_node(pos)
node.param1, node.param2 = currentnode.param1, currentnode.param2 --copy node's param1 and param2
local data = env:get_meta(pos):to_table() --obtain node metadata
node.name = data.fields.worldedit_placeholder --set node name
data.fields.worldedit_placeholder = nil --delete old nodename
env:add_node(pos, placeholder) --add original node
env:get_meta(pos):from_table(data) --set original node metadata
end
return count
return #nodes
end