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init.lua
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init.lua
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-- twi_mods/formspec_key_workaround/init.lua
-- Fix ${key} in formspecs
--[[
Copyright © 2024 1F616EMO
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
]]
local RADIUS = 10
local INTERVAL = 0.5
local F = core.formspec_escape
local function replace_formspec(formspec, meta)
return string.gsub(formspec, "%${(%C+)}", function(key)
local value = meta:get_string(key)
if value == "${" .. key .. "}" then
return ""
end
return value
end)
end
local function fix_node(pos)
local meta = core.get_meta(pos)
local formspec = meta:get_string("formspec")
if formspec == "" then return end
local work_formspec
local old_formspec = meta:get_string("old_formspec")
if old_formspec == formspec then
-- Mod did not modify the formspec, work on the original formspec
work_formspec = meta:get_string("orig_formspec")
else
-- Mod modified the formspec, work on the normal fomrpsec
meta:set_string("orig_formspec", formspec)
work_formspec = formspec
end
local new_formspec = replace_formspec(work_formspec, meta)
meta:set_string("formspec", new_formspec)
meta:set_string("old_formspec", new_formspec)
end
local dtime_total = 0
core.register_globalstep(function(dtime)
dtime_total = dtime_total + dtime
if dtime_total < INTERVAL then
return
end
dtime_total = 0
local processed = {}
for _, player in ipairs(core.get_connected_players()) do
local pos = vector.round(player:get_pos())
for x = pos.x - RADIUS, pos.x + RADIUS do
for y = pos.y - RADIUS, pos.y + RADIUS do
for z = pos.z - RADIUS, pos.z + RADIUS do
local work_pos = vector.new(x,y,z)
local hash = core.hash_node_position(work_pos)
if not processed[hash] then
processed[hash] = true
fix_node(work_pos)
end
end
end
end
end
end)

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