sbrl-github/Minetest-WorldEditAdditions
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//scale: scaling up works! Can't say the same about scaling down though, but that will come in time.

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Starbeamrainbowlabs 2021-02-18 01:24:53 +00:00
parent ed3adde56a
commit a63923fec9
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
2 changed files with 26 additions and 21 deletions
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43
worldeditadditions/lib/scale_up.lua
View file

@ -1,3 +1,4 @@
local wea = worldeditadditions
-- ███████ ██████ █████ ██ ███████ ██ ██ ██████
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
-- ███████ ██ ███████ ██ █████ ██ ██ ██████
@ -19,19 +20,21 @@ function worldeditadditions.scale_up(pos1, pos2, scale, anchor)
return false, "Error: One of the components of the anchor vector was 0 (anchor components should either be greater than or less than 0 to indicate the anchor to scale in.)"
end
local size = vector.subtract(pos2, pos1)
local size = vector.add(vector.subtract(pos2, pos1), 1)
local pos1_big = vector.new(pos1)
local pos2_big = vector.new(pos2)
if anchor.x < 1 then pos1_big.x = pos1_big.x - size.x
else pos2_big.x = pos2_big.x + size.x end
if anchor.y < 1 then pos1_big.y = pos1_big.y - size.y
else pos2_big.y = pos2_big.y + size.y end
if anchor.z < 1 then pos1_big.z = pos1_big.z - size.z
else pos2_big.z = pos2_big.z + size.z end
if anchor.x < 1 then pos1_big.x = pos1_big.x - (size.x * (scale.x - 1))
else pos2_big.x = pos2_big.x + (size.x * (scale.x - 1)) end
if anchor.y < 1 then pos1_big.y = pos1_big.y - (size.y * (scale.y - 1))
else pos2_big.y = pos2_big.y + (size.y * (scale.y - 1)) end
if anchor.z < 1 then pos1_big.z = pos1_big.z - (size.z * (scale.z - 1))
else pos2_big.z = pos2_big.z + (size.z * (scale.z - 1)) end
local size_big = vector.add(vector.subtract(pos2_big, pos1_big), 1)
print("scale_up: scaling "..wea.vector.tostring(pos1).." to "..wea.vector.tostring(pos2).." (volume "..worldedit.volume(pos1, pos2).."; size "..wea.vector.tostring(size)..") to "..wea.vector.tostring(pos1_big).." to "..wea.vector.tostring(pos2_big).." (volume "..worldedit.volume(pos1_big, pos2_big).."; size "..wea.vector.tostring(size_big)..")")
local manip_small, area_small = worldedit.manip_helpers.init(pos1, pos2)
local manip_big, area_big = worldedit.manip_helpers.init(pos1_big, pos2_big)
@ -40,33 +43,35 @@ function worldeditadditions.scale_up(pos1, pos2, scale, anchor)
local node_id_air = minetest.get_content_id("air")
local kern_volume = math.abs(scale.x) * math.abs(scale.y) * math.abs(scale.z)
local changes = { updated = 0, scale = "scale_up" }
for z = pos2.z, pos1.z, -1 do
for y = pos2.y, pos1.y, -1 do
for x = pos2.x, pos1.x, -1 do
local posi_rel = vector.subtract({ x = x, y = y, z = z }, pos1)
local kern_anchor = vector.add(
pos1_big,
vector.cross(
vector.add(posi_rel, 1),
scale
)
local kern_anchor = {
x = pos1_big.x + (posi_rel.x * scale.x) + (scale.x - 1),
y = pos1_big.y + (posi_rel.y * scale.y) + (scale.y - 1),
z = pos1_big.z + (posi_rel.z * scale.z) + (scale.z - 1)
}
print(
"posi", wea.vector.tostring(vector.new(x, y, z)),
"posi_rel", wea.vector.tostring(posi_rel),
"kern_anchor", wea.vector.tostring(kern_anchor)
)
local source_val = data_source[area_small:index(x, y, z)]
for kz = kern_anchor.z, kern_anchor.z - scale.z, -1 do
for ky = kern_anchor.y, kern_anchor.y - scale.y, -1 do
for kx = kern_anchor.x, kern_anchor.x - scale.x, -1 do
for kz = kern_anchor.z, kern_anchor.z - scale.z + 1, -1 do
for ky = kern_anchor.y, kern_anchor.y - scale.y + 1, -1 do
for kx = kern_anchor.x, kern_anchor.x - scale.x + 1, -1 do
data_target[area_big:index(kx, ky, kz)] = source_val
changes.updated = changes.updated + 1
end
end
end
changes.updated = changes.updated + kern_volume
end
end
end

4
worldeditadditions_commands/commands/scale.lua
View file

@ -17,8 +17,8 @@ worldedit.register_command("scale", {
local anchor = vector.new(1, 1, 1)
if #parts == 2 then
if parts[1] ~= "x" or parts[1] ~= "y" or parts[1] ~= "z"
or parts[1] ~= "-x" or parts[1] ~= "-y" or parts[1] ~= "-z" then
if not (parts[1] == "x" or parts[1] == "y" or parts[1] == "z"
or parts[1] == "-x" or parts[1] == "-y" or parts[1] == "-z") then
return false, "Error: Got 2 arguments, but the first doesn't look like the name of an axis."
end
local axis = parts[1]