sbrl-github/Minetest-WorldEditAdditions
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Code Issues Releases Wiki Activity

//subdivide: fix crash

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Starbeamrainbowlabs 2023-07-15 21:59:24 +01:00
parent ee4b3e09bb
commit fd3ee43728
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
2 changed files with 18 additions and 12 deletions
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5
CHANGELOG.md
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@ -3,6 +3,11 @@ It's about time I started a changelog! This will serve from now on as the main c
Note to self: See the bottom of this file for the release template text.
## v1.14.2: The multipoint update, hotfix 2 (15th July 2023)
- Fix crash in `//subdivide`, again due to the new position system
## v1.14.1: The multipoint update, hotfix 1 (12th July 2023)
- Fix issue #100, which caused a crash as `//pos1` and `//pos2` allowed non-integer positions to be set

25
worldeditadditions/lib/subdivide.lua
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@ -5,17 +5,18 @@
-- ███████ ██████ ██████ ██████ ██ ████ ██ ██████ ███████
local wea_c = worldeditadditions_core
local wea = worldeditadditions
local Vector3 = wea_c.Vector3
-- Counts the number of chunks in the given area.
-- Maths is now done properly. Values from this new implementation were tested
-- with 1000 random pos1, pos2, and chunk_size combinations and found to be identical.
local function count_chunks(pos1, pos2, chunk_size)
-- Assume pos1 & pos2 are sorted
local dimensions = {
x = pos2.x - pos1.x + 1,
y = pos2.y - pos1.y + 1,
z = pos2.z - pos1.z + 1,
}
local dimensions = Vector3.new(
pos2.x - pos1.x + 1,
pos2.y - pos1.y + 1,
pos2.z - pos1.z + 1
)
-- print("[new] dimensions", dimensions.x, dimensions.y, dimensions.z)
return math.ceil(dimensions.x / chunk_size.x)
* math.ceil(dimensions.y / chunk_size.y)
@ -68,12 +69,12 @@ local function subdivide_step_beforeload(state)
end
end
state.cpos2 = { x = state.cpos.x, y = state.cpos.y, z = state.cpos.z }
state.cpos1 = {
x = state.cpos.x - state.chunk_size.x,
y = state.cpos.y - state.chunk_size.y,
z = state.cpos.z - state.chunk_size.z
}
state.cpos2 = Vector3.new(state.cpos.x, state.cpos.y, state.cpos.z)
state.cpos1 = Vector3.new(
state.cpos.x - state.chunk_size.x,
state.cpos.y - state.chunk_size.y,
state.cpos.z - state.chunk_size.z
)
if state.cpos1.x < state.pos1.x then state.cpos1.x = state.pos1.x end
if state.cpos1.y < state.pos1.y then state.cpos1.y = state.pos1.y end
if state.cpos1.z < state.pos1.z then state.cpos1.z = state.pos1.z end
@ -151,7 +152,7 @@ function worldeditadditions.subdivide(pos1, pos2, chunk_size, callback_subblock,
local state = {
pos1 = pos1, pos2 = pos2,
-- Note that we start 1 over on the Z axis because we increment *before* calling the callback, so if we don't fiddle it here, we'll miss the first chunk
cpos = { x = pos2.x, y = pos2.y, z = pos2.z + chunk_size.z + 1 },
cpos = Vector3.new(pos2.x, pos2.y, pos2.z + chunk_size.z + 1),
-- The size of a single subblock
chunk_size = chunk_size,
-- The total number of nodes in the defined region