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OpenMW is an open implementation of the Morrowind engine
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local function printHelp() local msg = [[This is the built-in Lua interpreter.help() - print this messageexit() - exit Lua modeselected - currently selected object (click on any object to change)view(_G) - print content of the table `_G` (current environment) standard libraries (math, string, etc.) are loaded by default but not visible in `_G`view(types, 2) - print table `types` (i.e. `openmw.types`) 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 currentSelf = nillocal currentMode = ''
local function exitLuaMode() currentSelf = nil currentMode = '' ui.setConsoleMode('') ui.printToConsole('Lua mode OFF', ui.CONSOLE_COLOR.Success)end
local function setContext(obj) ui.printToConsole('Lua mode ON, use exit() to return, help() for more info', ui.CONSOLE_COLOR.Success) if obj == self then currentMode = 'Lua[Player]' ui.printToConsole('Context: Player', ui.CONSOLE_COLOR.Success) elseif obj then if not obj:isValid() then error('Object not available') end currentMode = 'Lua['..obj.recordId..']' ui.printToConsole('Context: Local['..tostring(obj)..']', ui.CONSOLE_COLOR.Success) else currentMode = 'Lua[Global]' ui.printToConsole('Context: Global', ui.CONSOLE_COLOR.Success) end currentSelf = obj ui.setConsoleMode(currentMode)end
local function setSelected(obj) local ok, err = pcall(function() ui.setConsoleSelectedObject(obj) end) if ok then ui.printToConsole('Selected object changed', ui.CONSOLE_COLOR.Success) else ui.printToConsole(err, ui.CONSOLE_COLOR.Error) endend
local env = { I = require('openmw.interfaces'), util = require('openmw.util'), storage = require('openmw.storage'), core = require('openmw.core'), types = require('openmw.types'), vfs = require('openmw.vfs'), markup = require('openmw.markup'), ambient = require('openmw.ambient'), async = require('openmw.async'), nearby = require('openmw.nearby'), self = require('openmw.self'), input = require('openmw.input'), postprocessing = require('openmw.postprocessing'), anim = require('openmw.animation'), ui = require('openmw.ui'), camera = require('openmw.camera'), aux_util = require('openmw_aux.util'), debug = require('openmw.debug'), calendar = require('openmw_aux.calendar'), time = require('openmw_aux.time'), view = require('openmw_aux.util').deepToString, print = printToConsole, exit = exitLuaMode, 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 function onConsoleCommand(mode, cmd, selectedObject) env.selected = selectedObject if mode == '' then cmd, arg = cmd:lower():match('(%w+) *(%w*)') if cmd == 'lua' then if arg == 'player' then cmd = 'luap' elseif arg == 'global' then cmd = 'luag' elseif arg == 'selected' then cmd = 'luas' elseif arg == 'menu' then -- handled in menu.lua else local msg = [[Usage: 'lua menu' or 'luam' - enter menu context '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]] ui.printToConsole(msg, ui.CONSOLE_COLOR.Info) end end if cmd == 'luap' or (cmd == 'luas' and selectedObject == self.object) then setContext(self) elseif cmd == 'luag' then setContext() elseif cmd == 'luas' then if selectedObject then core.sendGlobalEvent('OMWConsoleStartLocal', {player=self.object, selected=selectedObject}) else ui.printToConsole('No selected object', ui.CONSOLE_COLOR.Error) end end elseif mode == currentMode then if cmd == 'exit()' then exitLuaMode() elseif currentSelf == self then executeLuaCode(cmd) if env.selected ~= selectedObject then setSelected(env.selected) end elseif currentSelf then currentSelf:sendEvent('OMWConsoleEval', {player=self.object, code=cmd, selected=selectedObject}) else core.sendGlobalEvent('OMWConsoleEval', {player=self.object, code=cmd, selected=selectedObject}) end endend
return { engineHandlers = {onConsoleCommand = onConsoleCommand}, eventHandlers = { OMWConsolePrint = function(msg) ui.printToConsole(tostring(msg), ui.CONSOLE_COLOR.Info) end, OMWConsoleError = function(msg) ui.printToConsole(tostring(msg), ui.CONSOLE_COLOR.Error) end, OMWConsoleSetContext = setContext, OMWConsoleSetSelected = setSelected, OMWConsoleExit = exitLuaMode, OMWConsoleHelp = printHelp, }}