sbrl-github/Minetest-WorldEditAdditions
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terrain: pick the node to replace with from higher up in the column in question

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....unless we hit the ignore node, in which case we default to air.
This commit is contained in:
Starbeamrainbowlabs 2021-02-23 01:31:24 +00:00
parent 4ba59a6ec3
commit f2aa87b396
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 16 additions and 2 deletions
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18
worldeditadditions/utils/terrain.lua
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@ -82,6 +82,7 @@ end
function worldeditadditions.apply_heightmap_changes(pos1, pos2, area, data, heightmap_old, heightmap_new, heightmap_size)
local stats = { added = 0, removed = 0 }
local node_id_air = minetest.get_content_id("air")
local node_id_ignore = minetest.get_content_id("ignore")
for z = heightmap_size[0], 0, -1 do
for x = heightmap_size[1], 0, -1 do
@ -95,12 +96,23 @@ function worldeditadditions.apply_heightmap_changes(pos1, pos2, area, data, heig
if height_old == height_new then
-- noop
elseif height_new < height_old then
local node_id_replace = data[area:index(
pos1.x + x,
pos1.y + height_old + 1,
pos1.z + z
)]
-- Unlikely, but if it can happen, it *will* happen.....
if node_id_replace == node_id_ignore then
node_id_replace = node_id_air
end
stats.removed = stats.removed + (height_old - height_new)
local y = height_new
while y < height_old do
local ci = area:index(pos1.x + x, pos1.y + y, pos1.z + z)
-- print("[conv/save] remove at y", y, "→", pos1.y + y, "current:", minetest.get_name_from_content_id(data[ci]))
data[ci] = node_id_air
if data[ci] ~= node_id_ignore then
data[ci] = node_id_replace
end
y = y + 1
end
else -- height_new > height_old
@ -113,7 +125,9 @@ function worldeditadditions.apply_heightmap_changes(pos1, pos2, area, data, heig
while y < height_new do
local ci = area:index(pos1.x + x, pos1.y + y, pos1.z + z)
-- print("[conv/save] add at y", y, "→", pos1.y + y, "current:", minetest.get_name_from_content_id(data[ci]))
data[ci] = node_id
if data[ci] ~= node_id_ignore then
data[ci] = node_id
end
y = y + 1
end
end