leef-math-cd2025/init.lua

131 lines
4.5 KiB
Lua

--[[
-------------------------------------------------------------------------------
-- @author Colby Klein
-- @author Landon Manning
-- @copyright 2016
-- @license MIT/X11
-------------------------------------------------------------------------------
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@@ `@@@@@ Perfect @@@@@ @@+
@@+ ;@@@@+ Math +@@@@+ @@
@@ `@@@@@ Library @@@@@@ #@'
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--]]
local cpml = {
_LICENSE = "CPML is distributed under the terms of the MIT license. See LICENSE.md.",
_URL = "https://github.com/excessive/cpml",
_VERSION = "1.2.9",
_DESCRIPTION = "Cirno's Perfect Math Library: Just about everything you need for 3D games. Hopefully."
}
local files = {
"bvh",
"color",
"constants",
"intersect",
"mat4",
"mesh",
"octree",
"quat",
"simplex",
"utils",
"vec2",
"vec3",
"bound2",
"bound3",
}
--initialize some variables
mtul = mtul or {
loaded_modules = {}
}
mtul.math = mtul.math or {} --other modules (probably) have not initialized this.
mtul.loaded_modules.cpml = true
local modpath = minetest.get_modpath("mtul_cpml")
local loaded_modules = {}
local old_require = require --just in case require is present (aka it's an insecure environment)
local ie = minetest.request_insecure_environment()
--if require isn't present, allow us to load the modules through hackish means
--there's like 100s of require calls, it'd be insane to replace them. If you're farmiliar with require, the goal should be obvious.
modules = "" --this is just for Busted support, as it'll bitch about "attempt to concat a nil value" otherwise.
--modules is the path to modules
local old_package_path
if not ie then
--if an insecure environment cannot be loaded, then we basically change how require works temporarily, so modules (which is referenced in all CPML files on require() has to be changed)
modules = modpath.."/modules/"
else
old_package_path = package.path
--get the real modpath and add it to the package.path string so we can find our modules in require()
ie.package.path = ie.package.path .. ";"..string.gsub(modpath, "\\bin\\%.%.", "").."?.lua" --add our path
modules = ".modules."
end
if not ie then
function require(path)
if loaded_modules[path] then return loaded_modules[path] end
local ending = string.gsub(path:sub(#modules+1), "%.", "/")..".lua"
--[[if ending[1] ~= "/" then
ending = "/"..ending
end]]
path = modules..ending
loaded_modules[path] = dofile(path)
return loaded_modules[path]
end
else
require = ie.require
end
--print(require, ie.require)
if type(jit) == "table" and jit.status() then
if ie then
if pcall(require, "ffi") then
minetest.log("verbose", "MTUL-CPML: loaded JIT FFI library. Memory efficiency with FFI enabled.")
print("mtul-cpml: JIT FFI loaded successfully.")
else
minetest.log("error", "MTUL-CPML: Failure to load JIT FFI library.")
end
else
minetest.log("error", "MTUL-CPML: insecure environment denied for MTUL-CPML. Add mtul-cpml to your trusted mods for JIT FFI support (memory efficiency & speed boost)")
end
else
minetest.log("verbose", "MTUL-CPML: JIT not present, skipped attempt to load JIT FFI library for acceleration and memory efficiency")
end
--load the files
for _, file in ipairs(files) do
mtul.math[file] = require(modules .. file)
end
--unset all the global shit we had to change for CPML to work properly.
if old_package_path then
ie.package.path = old_package_path
end
modules = nil
require = old_require