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