mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-12-04 21:13:50 +01:00
142 lines
5.0 KiB
Lua
142 lines
5.0 KiB
Lua
|
|
local wea_c = worldeditadditions_core
|
|
local Vector3 = wea_c.Vector3
|
|
|
|
---
|
|
-- @module worldeditadditions
|
|
|
|
-- TODO add `minetest.find_nodes_with_meta(pos1, pos2)` support ref https://github.com/minetest/minetest/blob/5.9.1/doc/lua_api.md?plain=1#L6112 for locked chests, inventories etc. Perhaps for copy add a flag to allow for disabling such support?
|
|
|
|
-- ███ ███ ██████ ██ ██ ███████
|
|
-- ████ ████ ██ ██ ██ ██ ██
|
|
-- ██ ████ ██ ██ ██ ██ ██ █████
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ██ ██ ██████ ████ ███████
|
|
|
|
--- Moves a region to another location, overwriting any nodes at the target location.
|
|
-- @param source_pos1 Vector3 pos1 of the source region to move.
|
|
-- @param source_pos2 Vector3 pos2 of the source region to move.
|
|
-- @param target_pos1 Vector3 pos1 of the target region to move to.
|
|
-- @param target_pos2 Vector3 pos2 of the target region to move to.
|
|
-- @param airapply=false bool Whether to only replace target nodes that are air-like, leaving those that are not air-like. If false, then all target nodes are replaced regardless of whether they are air-like nodes or not.
|
|
-- **Caution:** If true, then **nodes in the source region will be removed and replaced with air, even if they are unable to be placed in the target location!**
|
|
-- @returns bool,numbers 1. Whether the move operation was successful or not
|
|
-- 2. The total number of nodes actually placed in the target region.
|
|
function worldeditadditions.move(source_pos1, source_pos2, target_pos1, target_pos2, airapply)
|
|
---
|
|
-- 0: Preamble
|
|
---
|
|
|
|
if airapply == nil then airapply = false end
|
|
source_pos1, source_pos2 = Vector3.sort(source_pos1, source_pos2)
|
|
target_pos1, target_pos2 = Vector3.sort(target_pos1, target_pos2)
|
|
|
|
local offset = source_pos1:subtract(target_pos1)
|
|
-- {source,target}_pos2 will always have the highest co-ordinates now
|
|
|
|
local node_id_air = minetest.get_content_id("air")
|
|
|
|
-- Fetch the nodes in the source area
|
|
local manip_source, area_source = worldedit.manip_helpers.init(source_pos1, source_pos2)
|
|
local data_source = manip_source:get_data()
|
|
local data_source_param2 = manip_source:get_param2_data()
|
|
|
|
-- Fetch a manip for the target area
|
|
local manip_target, area_target = worldedit.manip_helpers.init(target_pos1, target_pos2)
|
|
local data_target = manip_target:get_data()
|
|
local data_target_param2 = manip_target:get_param2_data()
|
|
|
|
|
|
---
|
|
-- 1: Perform Copy
|
|
---
|
|
|
|
-- z y x is the preferred loop order (because CPU cache, since then we're iterating linearly through the data array backwards. This only holds true for little-endian machines however)
|
|
local total_placed = 0
|
|
for z = source_pos2.z, source_pos1.z, -1 do
|
|
for y = source_pos2.y, source_pos1.y, -1 do
|
|
for x = source_pos2.x, source_pos1.x, -1 do
|
|
local source = Vector3.new(x, y, z)
|
|
local source_i = area_source:index(x, y, z)
|
|
local target = source:subtract(offset)
|
|
local target_i = area_target:index(target.x, target.y, target.z)
|
|
|
|
local should_replace = true
|
|
if airapply then
|
|
should_replace = wea_c.is_airlike(data_target[target_i])
|
|
end
|
|
if should_replace then
|
|
data_target[target_i] = data_source[source_i]
|
|
data_target_param2[target_i] = data_source_param2[source_i]
|
|
total_placed = total_placed + 1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Save the modified nodes back to disk & return
|
|
-- Note that we save the source region *first* to avoid issues with overlap
|
|
|
|
-- BUG: Voxel Manipulators cover a larger area than the source area if the target position is too close the to the source, then the source will be overwritten by the target by accident.
|
|
|
|
-- Potential solution:
|
|
-- 1. Grab source & target
|
|
-- 2. Perform copy → target
|
|
-- 3. Save target
|
|
-- 4. Re-grab source
|
|
-- 5. Zero out source, but avoiding touching any nodes that fall within target
|
|
-- 6. Save source
|
|
|
|
|
|
---
|
|
-- 2: Save target
|
|
---
|
|
manip_target:set_param2_data(data_target_param2)
|
|
worldedit.manip_helpers.finish(manip_target, data_target)
|
|
|
|
|
|
---
|
|
-- 3: Re-grab source
|
|
---
|
|
|
|
manip_source, area_source = worldedit.manip_helpers.init(source_pos1, source_pos2)
|
|
data_source = manip_source:get_data()
|
|
data_source_param2 = manip_source:get_param2_data()
|
|
|
|
|
|
---
|
|
-- 4: Zero out source, but avoiding touching any nodes that fall within target
|
|
---
|
|
|
|
for z = source_pos2.z, source_pos1.z, -1 do
|
|
for y = source_pos2.y, source_pos1.y, -1 do
|
|
for x = source_pos2.x, source_pos1.x, -1 do
|
|
local source = Vector3.new(x, y, z)
|
|
local source_i = area_source:index(x, y, z)
|
|
local target = source:subtract(offset)
|
|
|
|
if not source:is_contained(target_pos1, target_pos2) then
|
|
data_source[source_i] = node_id_air
|
|
data_source_param2[source_i] = 0
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
---
|
|
-- 5: Save source
|
|
---
|
|
|
|
manip_source:set_param2_data(data_source_param2)
|
|
worldedit.manip_helpers.finish(manip_source, data_source)
|
|
|
|
|
|
|
|
---
|
|
-- 6: Finish up and return
|
|
---
|
|
|
|
return true, total_placed
|
|
end
|