mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-12-04 13:03:59 +01:00
88 lines
3.4 KiB
Lua
88 lines
3.4 KiB
Lua
local core = worldeditadditions_core
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local Vector3 = core.Vector3
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---
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-- @module worldeditadditions
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-- ██████ ██████ ██ ███████ ███ ██ ████████
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-- ██ ██ ██ ██ ██ ██ ████ ██ ██
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-- ██ ██ ██████ ██ █████ ██ ██ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██████ ██ ██ ██ ███████ ██ ████ ██
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--- Re-orients the nodes in the given region around a given origin point using a set of rotations.
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-- TODO Learn quaternions and make this more effiient.
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-- @param pos1 Vector3 Position 1 of the region to orient nodes in.
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-- @param pos2 Vector3 Position 2 of the region to orient nodes in.
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-- @param rotlist table<{axis: string, rad: number}> The list of rotations. Rotations will be processed in order. Each rotation is a table with a SINGLE axis as a string (x, y, z, -x, -y, or -z; the axis parameter), and an amount in radians to rotate by (the rad parameter).
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-- @returns bool,string|table<{changed: number}> A success boolean (true == success; false == failure), followed by either an error message as a string if success == false or a table of statistics if success == true.
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--
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-- Currently the only parameter in the statistics table is changed, which is a number representing the number of nodes that were rotated.
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--
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-- This is NOT NECESSARILY the number of nodes in the target region..... since not every node in the target region will support reorientation.
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function worldeditadditions.orient(pos1, pos2, rotlist)
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pos1, pos2 = Vector3.sort(pos1, pos2)
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--- 1: Compile the rotation list
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local rotlist_c = core.rotation.rotlist_compile(rotlist)
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--- 2: Fetch the nodes in the specified area
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local manip, area = worldedit.manip_helpers.init(pos1, pos2)
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local data = manip:get_data()
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local data_param2 = manip:get_param2_data()
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local stats = {
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count = 0
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}
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local cache_nodeid_2_param2_type = {}
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local cache_orient = {}
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local param2_cache = {}
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-- TODO rewrite with ref https://github.com/12Me21/screwdriver2/blob/master/init.lua#L75-L79 'cause this doesn't account for rotation properly
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for i in area:iterp(pos1, pos2) do
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-- nodeid = data[i]
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local param2_type = "none"
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if cache_nodeid_2_param2_type[data[i]] == nil then
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local node_name = minetest.get_name_from_content_id(data[i])
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local ndef = minetest.registered_nodes[node_name]
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if type(ndef.paramtype2) ~= nil then
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param2_type = ndef.paramtype2
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end
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cache_nodeid_2_param2_type[data[i]] = param2_type
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print("DEBUG orient CACHE:PARAM2 MISS node", node_name, "param2_type", param2_type)
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else
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param2_type = cache_nodeid_2_param2_type[data[i]]
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end
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print("DEBUG orient NODEID", data[i], "PARAM2_TYPE", param2_type)
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if param2_type ~= "none" then
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local key = param2_type.."|"..data_param2[i]
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if cache_orient[key] == nil then
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cache_orient[key] = core.param2.orient(
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data_param2[i],
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param2_type,
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rotlist_c
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)
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end
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print("DEBUG orient KEY", key, "BEFORE", data_param2[i], "AFTER", cache_orient[key])
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data_param2[i] = cache_orient[key]
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stats.count = stats.count + 1
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end
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end
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manip:set_param2_data(data_param2)
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manip:write_to_map(false)
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manip:update_map()
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--- 8: Return
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return true, stats
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end
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