sbrl-github/Minetest-WorldEditAdditions
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Make moar bugfixes. It works!

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Starbeamrainbowlabs 2018-05-20 13:05:03 +01:00
parent 0bb807ff86
commit 7288347479
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 45 additions and 13 deletions
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58
worldeditadditions/floodfill.lua
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@ -16,6 +16,15 @@ function Queue.enqueue(queue, value)
queue[new_last] = value
end
function Queue.contains(queue, value)
for i=queue.first,queue.last do
if queue[i] == value then
return true
end
end
return false
end
function Queue.is_empty(queue)
return queue.first > queue.last
end
@ -34,6 +43,17 @@ end
-------------------------------------------------------------------------------
-- These really should be in a utilities file, but Lua is being stupid and preventing access to it (and minetest is also being stupid, as we can't modularise our code the way you ought to be able to - or at least the documentation on dofile() is so poor I've no idea at this point)
local function vector2string(v)
return "(" .. v.x ..", " .. v.y ..", " .. v.z ..")"
end
local clock = os.clock
function sleep(n) -- seconds
local t0 = clock()
while clock() - t0 <= n do end
end
function worldedit.floodfill(start_pos, radius, replace_node)
-- Calculate the area we want to modify
@ -42,8 +62,8 @@ function worldedit.floodfill(start_pos, radius, replace_node)
pos1, pos2 = worldedit.sort_pos(pos1, pos2) -- Just in case
minetest.log("action", "radius: " .. radius)
minetest.log("action", "pos1: (" .. pos1.x .. ", " .. pos1.y .. ", " .. pos1.z .. ")")
minetest.log("action", "pos2: (" .. pos2.x .. ", " .. pos2.y .. ", " .. pos2.z .. ")")
minetest.log("action", "pos1: " .. vector2string(pos1))
minetest.log("action", "pos2: " .. vector2string(pos2))
-- Fetch the nodes in the specified area
local manip, area = worldedit.manip_helpers.init(pos1, pos2)
@ -70,24 +90,36 @@ function worldedit.floodfill(start_pos, radius, replace_node)
-- Replace this node
data[cur] = replace_id
count = count + 1
-- Check all the nearby nodes
-- We don't need to go upwards here, since we're filling in lake-style
if data[cur + 1] == search_id then -- +X
Queue.enqueue(remaining_nodes, cur + 1)
local xplus = cur + 1 -- +X
if data[xplus] == search_id and not Queue.contains(remaining_nodes, xplus) then
-- minetest.log("action", "[floodfill] [+X] index " .. xplus .. " is a " .. data[xplus] .. ", searching for a " .. search_id)
Queue.enqueue(remaining_nodes, xplus)
end
if data[cur - 1] == search_id then -- -X
Queue.enqueue(remaining_nodes, cur - 1)
local xminus = cur - 1 -- -X
if data[xminus] == search_id and not Queue.contains(remaining_nodes, xminus) then
-- minetest.log("action", "[floodfill] [-X] index " .. xminus .. " is a " .. data[xminus] .. ", searching for a " .. search_id)
Queue.enqueue(remaining_nodes, xminus)
end
if data[cur + area.zstride] == search_id then -- +Z
Queue.enqueue(remaining_nodes, cur + area.zstride)
local zplus = cur + area.zstride -- +Z
if data[zplus] == search_id and not Queue.contains(remaining_nodes, zplus) then
-- minetest.log("action", "[floodfill] [+Z] index " .. zplus .. " is a " .. data[zplus] .. ", searching for a " .. search_id)
Queue.enqueue(remaining_nodes, zplus)
end
if data[cur - area.zstride] == search_id then -- -Z
Queue.enqueue(remaining_nodes, cur - area.zstride)
local zminus = cur - area.zstride -- -Z
if data[zminus] == search_id and not Queue.contains(remaining_nodes, zminus) then
-- minetest.log("action", "[floodfill] [-Z] index " .. zminus .. " is a " .. data[zminus] .. ", searching for a " .. search_id)
Queue.enqueue(remaining_nodes, zminus)
end
if data[cur - area.ystride] == search_id then -- -Y
Queue.enqueue(remaining_nodes, cur - area.ystride)
local yminus = cur - area.ystride -- -Y
if data[yminus] == search_id and not Queue.contains(remaining_nodes, yminus) then
-- minetest.log("action", "[floodfill] [-Y] index " .. yminus .. " is a " .. data[yminus] .. ", searching for a " .. search_id)
Queue.enqueue(remaining_nodes, yminus)
end
count = count + 1
end
-- Save the modified nodes back to disk & return