66 lines
3.0 KiB
Lua
66 lines
3.0 KiB
Lua
local wea_c = worldeditadditions_core
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local Vector3 = wea_c.Vector3
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-- ██████ ██████ ██████ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ██ ██████ ████
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-- ██ ██ ██ ██ ██
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-- ██████ ██████ ██ ██
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--- Copies a region to another location, potentially overwriting the exiting region.
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-- @param source_pos1 Vector3 pos1 of the source region to copy.
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-- @param source_pos2 Vector3 pos2 of the source region to copy.
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-- @param target_pos1 Vector3 pos1 of the target region to copy to.
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-- @param target_pos2 Vector3 pos2 of the target region to copy to.
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-- @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.
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-- @returns bool,numbers 1. Whether the copy operation was successful or not
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-- 2. The total number of nodes copied.
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function worldeditadditions.copy(source_pos1, source_pos2, target_pos1, target_pos2, airapply)
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if airapply == nil then airapply = false end
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source_pos1, source_pos2 = Vector3.sort(source_pos1, source_pos2)
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target_pos1, target_pos2 = Vector3.sort(target_pos1, target_pos2)
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local offset = source_pos1:subtract(target_pos1)
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-- {source,target}_pos2 will always have the highest co-ordinates now
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-- Fetch the nodes in the source area
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local manip_source, area_source = worldedit.manip_helpers.init(source_pos1, source_pos2)
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local data_source = manip_source:get_data()
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local data_source_param2 = manip_source:get_param2_data()
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-- Fetch a manip for the target area
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local manip_target, area_target = worldedit.manip_helpers.init(target_pos1, target_pos2)
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local data_target = manip_target:get_data()
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local data_target_param2 = manip_target:get_param2_data()
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-- 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)
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local total_replaced = 0
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for z = source_pos2.z, source_pos1.z, -1 do
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for y = source_pos2.y, source_pos1.y, -1 do
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for x = source_pos2.x, source_pos1.x, -1 do
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local source = Vector3.new(x, y, z)
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local source_i = area_source:index(x, y, z)
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local target = source - offset
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local target_i = area_target:index(target.x, target.y, target.z)
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local should_replace = true
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if airapply then
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should_replace = wea_c.is_airlike(data_target[target_i])
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end
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if should_replace then
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data_target[target_i] = data_source[source_i]
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data_target_param2[target_i] = data_source_param2[source_i]
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total_replaced = total_replaced + 1
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end
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end
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end
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end
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-- Save the modified nodes back to disk & return
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manip_target:set_param2_data(data_target_param2)
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worldedit.manip_helpers.finish(manip_target, data_target)
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return true, total_replaced
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end
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