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OpenMW is an open implementation of the Morrowind engine
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local menuModeName = 'Lua[Menu]'
local function printHelp() local msg = [[This is the built-in Lua interpreter.help() - print this messageexit() - exit Lua modeview(_G) - print content of the table `_G` (current environment) standard libraries (math, string, etc.) are loaded by default but not visible in `_G`view(menu, 2) - print table `menu` (i.e. `openmw.menu`) and its subtables (2 - traversal depth)]] ui.printToConsole(msg, ui.CONSOLE_COLOR.Info)end
local function printToConsole(...) local strs = {} for i = 1, select('#', ...) do strs[i] = tostring(select(i, ...)) end return ui.printToConsole(table.concat(strs, '\t'), ui.CONSOLE_COLOR.Info)end
local function printRes(...) if select('#', ...) >= 0 then printToConsole(...) endend
local function exitLuaMenuMode() ui.setConsoleMode('') ui.printToConsole('Lua mode OFF', ui.CONSOLE_COLOR.Success)end
local function enterLuaMenuMode() ui.printToConsole('Lua mode ON, use exit() to return, help() for more info', ui.CONSOLE_COLOR.Success) ui.printToConsole('Context: Menu', ui.CONSOLE_COLOR.Success) ui.setConsoleMode(menuModeName)end
local env = { I = require('openmw.interfaces'), menu = require('openmw.menu'), util = require('openmw.util'), core = require('openmw.core'), storage = require('openmw.storage'), vfs = require('openmw.vfs'), markup = require('openmw.markup'), ambient = require('openmw.ambient'), async = require('openmw.async'), ui = require('openmw.ui'), input = require('openmw.input'), aux_util = require('openmw_aux.util'), calendar = require('openmw_aux.calendar'), time = require('openmw_aux.time'), view = require('openmw_aux.util').deepToString, print = printToConsole, exit = exitLuaMenuMode, help = printHelp,}env._G = envsetmetatable(env, {__index = _G, __metatable = false})_G = nil
local function executeLuaCode(code) local fn local ok, err = pcall(function() fn = util.loadCode('return ' .. code, env) end) if ok then ok, err = pcall(function() printRes(fn()) end) else ok, err = pcall(function() util.loadCode(code, env)() end) end if not ok then ui.printToConsole(err, ui.CONSOLE_COLOR.Error) endend
local usageInfo = [[Usage: 'lua menu' or 'luam' - enter menu contextOther contexts are available only when the game is started: 'lua player' or 'luap' - enter player context 'lua global' or 'luag' - enter global context 'lua selected' or 'luas' - enter local context on the selected object]]
local function onConsoleCommand(mode, cmd) if mode == '' then cmd, arg = cmd:lower():match('(%w+) *(%w*)') if (cmd == 'lua' and arg == 'menu') or cmd == 'luam' then enterLuaMenuMode() elseif menu.getState() == menu.STATE.NoGame and (cmd == 'lua' or cmd == 'luap' or cmd == 'luas' or cmd == 'luag') then ui.printToConsole(usageInfo, ui.CONSOLE_COLOR.Info) end elseif mode == menuModeName then if cmd == 'exit()' then exitLuaMenuMode() else executeLuaCode(cmd) end endend
local function onStateChanged() local mode = ui.getConsoleMode() if menu.getState() ~= menu.STATE.Ended and mode ~= menuModeName then -- When a new game started or loaded reset console mode (except of `luam`) because -- other modes become invalid after restarting Lua scripts. ui.setConsoleMode('') endend
return { engineHandlers = { onConsoleCommand = onConsoleCommand, onStateChanged = onStateChanged, },}