102 lines
2.4 KiB
Lua
102 lines
2.4 KiB
Lua
-- Lua version check
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if _VERSION then
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if _VERSION < "Lua 5" then
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error("Outdated Lua version! modlib requires Lua 5 or greater.")
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end
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if _VERSION > "Lua 5.1" then
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-- not throwing error("Too new Lua version! modlib requires Lua 5.1 or smaller.") anymore
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unpack = unpack or table.unpack -- unpack was moved to table.unpack in Lua 5.2
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loadstring = load
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function setfenv(fn, env)
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local i = 1
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while true do
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name = debug.getupvalue(fn, i)
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if name == "_ENV" then
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debug.setupvalue(fn, i, env)
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break
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elseif not name then
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break
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end
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end
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return fn
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end
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function getfenv(fn)
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local i = 1
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local name, val
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repeat
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name, val = debug.getupvalue(fn, i)
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if name == "_ENV" then
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return val
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end
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i = i + 1
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until not name
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end
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end
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end
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modlib = {
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dir_delim = rawget(_G, "DIR_DELIM") or "/",
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_RG = setmetatable({}, {
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__index = function(_, index)
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return rawget(_G, index)
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end,
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__newindex = function(_, index, value)
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return rawset(_G, index, value)
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end
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})
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}
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local function get_resource(modname, resource, ...)
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if not resource then
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resource = modname
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modname = minetest.get_current_modname()
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end
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return table.concat({minetest.get_modpath(modname), resource, ...}, modlib.dir_delim)
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end
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local function loadfile_exports(filename)
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local env = setmetatable({}, {__index = _G})
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local file = assert(loadfile(filename))
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setfenv(file, env)
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file()
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return env
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end
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for _, component in ipairs{
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"mod",
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"conf",
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"schema",
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"data",
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"file",
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"func",
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"log",
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"math",
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"player",
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"table",
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"text",
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"vector",
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"quaternion",
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"minetest",
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"trie",
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"kdtree",
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"heap",
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"ranked_set",
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"b3d"
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} do
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modlib[component] = loadfile_exports(get_resource(component .. ".lua"))
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end
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-- Aliases
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modlib.string = modlib.text
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modlib.number = modlib.math
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modlib.conf.build_setting_tree()
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modlib.mod.get_resource = get_resource
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modlib.mod.loadfile_exports = loadfile_exports
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_ml = modlib
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--[[
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--modlib.mod.include("test.lua")
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]] |