ui/init.lua at main · johnnyjoy/ui · GitHub

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local log = function(msg, ...)
  minetest.log("action", "[ui] " .. msg:format(...))
end

modname = minetest.get_current_modname()
modpath = minetest.get_modpath(modname)

_G.ui = {} -- global, if you want

-- log
ui.log = log

-- Load utils first
ui.util = dofile(modpath .. "/util.lua")

-- Session
ui.session     = ui.util.doModfile("session.lua")

-- Widgets
ui.widgets     = ui.util.doModfile("widgets/init.lua")

-- Style
ui.get_style   = ui.util.doModfile("style/get_style.lua")
ui.merge_theme = ui.util.doModfile("style/merge_theme.lua")
ui.stylegen    = ui.util.doModfile("style/stylegen.lua")
ui.themes      = ui.util.doModfile("style/themes.lua")

-- Engine

local Hooks    = ui.util.doModfile("engine/hooks.lua")
local hooks    = Hooks:new(function(user) render:renderRoot(user) end)
ui.hooks       = hooks

local vnode    = ui.util.doModfile("engine/vnode.lua")
local flatten  = ui.util.doModfile("engine/flatten.lua")
local Events   = ui.util.doModfile("engine/events.lua")
ui.events      = Events:new()

-- Coordination layer
engine = {
  flatten = function() return flatten end,
  hooks   = function() return hooks end,
  widgets = ui.widgets,
}

local Render   = ui.util.doModfile("engine/render.lua")
local render   = Render:new(engine)
ui.render      = render

-- NOW wire hooks to renderRoot
hooks.renderRoot = function(user) render:renderRoot(user) end

ui.createElement = vnode.createElement
ui.useState      = function(...) return hooks:useState(...) end
ui.useEffect     = function(...) return hooks:useEffect(...) end
ui.flatten       = flatten

-- Register with in-game events
ui.util.doModfile("game_events.lua")

-- Elements

-- List all .lua files in /elements (except elements.lua)
local elements_path = modpath .. "/elements"

for _, file in ipairs(minetest.get_dir_list(elements_path, false)) do
  if file:match("%.lua$") then
    local name = file:sub(1, -5)
    if ui[name] then
      error("Element collision: ui." .. name .. " already exists")
    end

    local fn = dofile(elements_path .. "/" .. file)
    if type(fn) ~= "function" then
      error("Element file '" .. file .. "' did not return a function")
    end
    ui[name] = fn

    ui.log("Loaded element: " .. name)
  end
end

-- === Examples ===
local examples_path = modpath .. "/examples"
for _, fname in ipairs(minetest.get_dir_list(examples_path, false)) do
  if fname:match("%.lua$") then
    dofile(examples_path .. "/" .. fname)
    minetest.log("action", "[ui.loader] Loaded example: " .. fname)
  end
end