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252
LibTSM/Core.lua
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252
LibTSM/Core.lua
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-- ------------------------------------------------------------------------------ --
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-- TradeSkillMaster --
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-- https://tradeskillmaster.com --
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-- All Rights Reserved - Detailed license information included with addon. --
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-- ------------------------------------------------------------------------------ --
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-- This is loaded before anything else and simply sets up the addon table
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local ADDON_NAME, TSM = ...
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local VERSION_RAW = GetAddOnMetadata("TradeSkillMaster", "Version")
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local IS_DEV_VERSION = strmatch(VERSION_RAW, "^@tsm%-project%-version@$") and true or false
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local private = {
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context = {},
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initOrder = {},
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loadOrder = {},
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frame = nil,
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gotAddonLoaded = false,
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gotPlayerLogin = false,
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gotPlayerLogout = false,
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}
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-- ============================================================================
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-- Module Metatable
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-- ============================================================================
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local MODULE_METHODS = {
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OnModuleLoad = function(self, func)
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local context = private.context[self]
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assert(context and not context.moduleLoadFunc and not context.moduleLoadTime and type(func) == "function")
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context.moduleLoadFunc = func
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end,
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OnSettingsLoad = function(self, func)
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local context = private.context[self]
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assert(context and not context.settingsLoadFunc and not context.settingsLoadTime and type(func) == "function")
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context.settingsLoadFunc = func
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end,
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OnGameDataLoad = function(self, func)
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local context = private.context[self]
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assert(context and not context.gameDataLoadFunc and not context.gameDataLoadTime and type(func) == "function")
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context.gameDataLoadFunc = func
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end,
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OnModuleUnload = function(self, func)
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local context = private.context[self]
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assert(context and not context.moduleUnloadFunc and not context.moduleUnloadTime and type(func) == "function")
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context.moduleUnloadFunc = func
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end,
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}
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local MODULE_MT = {
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__index = MODULE_METHODS,
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__newindex = function(self, key, value)
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local context = private.context[self]
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assert(context and not MODULE_METHODS[key] and not context.moduleLoadTime)
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rawset(self, key, value)
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end,
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__metatable = false,
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}
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-- ============================================================================
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-- Addon Object Functions
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-- ============================================================================
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function TSM.Init(path)
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assert(type(path) == "string")
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if private.context[path] then
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error("Module already exists for path: "..tostring(path))
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end
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local module = setmetatable({}, MODULE_MT)
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private.context[path] = {
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path = path,
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module = module,
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moduleLoadFunc = nil,
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moduleLoadTime = nil,
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settingsLoadFunc = nil,
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settingsLoadTime = nil,
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gameDataLoadFunc = nil,
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gameDataLoadTime = nil,
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moduleUnloadFunc = nil,
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moduleUnloadTime = nil,
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}
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-- store a reference to the context by both the module object and the path
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private.context[module] = private.context[path]
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tinsert(private.initOrder, path)
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return module
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end
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function TSM.Include(path)
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local context = private.context[path]
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if not context then
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error("Module doesn't exist for path: "..tostring(path))
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end
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private.ProcessModuleLoad(path)
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return context.module
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end
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function TSM.IsDevVersion()
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return IS_DEV_VERSION
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end
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function TSM.GetVersion()
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return IS_DEV_VERSION and "Dev" or VERSION_RAW
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end
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function TSM.ModuleInfoIterator()
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return private.ModuleInfoIterator, nil, 0
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end
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function TSM.IsWowClassic()
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return WOW_PROJECT_ID == WOW_PROJECT_CLASSIC
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end
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function TSM.IsShadowlands()
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return select(4, GetBuildInfo()) >= 90000
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end
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function TSM.DebugLogout()
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private.UnloadAll()
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end
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-- ============================================================================
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-- Private Helper Functions
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-- ============================================================================
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function private.ModuleInfoIterator(_, index)
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index = index + 1
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local path = private.initOrder[index]
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if not path then
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return
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end
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local context = private.context[path]
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assert(context)
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return index, path, context.moduleLoadTime, context.settingsLoadTime, context.gameDataLoadTime, context.moduleUnloadTime
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end
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function private.ProcessModuleLoad(path)
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local context = private.context[path]
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assert(context)
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if context.moduleLoadTime then
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-- already loaded
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return
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end
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tinsert(private.loadOrder, path)
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context.moduleLoadTime = 0
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if context.moduleLoadFunc then
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local st = debugprofilestop()
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context.moduleLoadFunc()
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context.moduleLoadTime = debugprofilestop() - st
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end
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end
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function private.ProcessSettingsLoad(path)
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local context = private.context[path]
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assert(context)
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if context.settingsLoadTime then
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-- already loaded
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return
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end
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context.settingsLoadTime = 0
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if context.settingsLoadFunc then
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local st = debugprofilestop()
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context.settingsLoadFunc()
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context.settingsLoadTime = debugprofilestop() - st
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end
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end
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function private.ProcessGameDataLoad(path)
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local context = private.context[path]
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assert(context)
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if context.gameDataLoadTime then
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-- already loaded
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return
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end
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context.gameDataLoadTime = 0
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if context.gameDataLoadFunc then
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local st = debugprofilestop()
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context.gameDataLoadFunc()
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context.gameDataLoadTime = debugprofilestop() - st
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end
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end
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function private.ProcessModuleUnload(path)
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local context = private.context[path]
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assert(context)
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if context.moduleUnloadTime then
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-- already unloaded
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return
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end
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context.moduleUnloadTime = 0
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if context.moduleUnloadFunc then
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local st = debugprofilestop()
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context.moduleUnloadFunc()
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context.moduleUnloadTime = debugprofilestop() - st
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end
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end
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function private.UnloadAll()
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-- unload in the opposite order we loaded
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for i = #private.loadOrder, 1, -1 do
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private.ProcessModuleUnload(private.loadOrder[i])
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end
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end
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function private.OnEvent(_, event, arg)
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if event == "ADDON_LOADED" and arg == ADDON_NAME and not private.gotAddonLoaded then
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assert(not private.gotAddonLoaded and not private.gotPlayerLogin and not private.gotPlayerLogout)
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private.gotAddonLoaded = true
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-- load any module which haven't already
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for _, path in ipairs(private.initOrder) do
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private.ProcessModuleLoad(path)
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end
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-- settings are now available
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for _, path in ipairs(private.loadOrder) do
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private.ProcessSettingsLoad(path)
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end
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private.frame:UnregisterEvent("ADDON_LOADED")
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elseif event == "PLAYER_LOGIN" then
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assert(private.gotAddonLoaded and not private.gotPlayerLogin and not private.gotPlayerLogout)
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private.gotPlayerLogin = true
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-- game data is now available
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for _, path in ipairs(private.loadOrder) do
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private.ProcessGameDataLoad(path)
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end
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elseif event == "PLAYER_LOGOUT" then
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assert(private.gotAddonLoaded and not private.gotPlayerLogout)
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private.gotPlayerLogout = true
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if not private.gotPlayerLogin then
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-- this can happen if the player exists the game during the loading screen, in which case we just ignore it
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return
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end
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private.UnloadAll()
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end
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end
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-- ============================================================================
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-- Initialization Code
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-- ============================================================================
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do
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private.frame = CreateFrame("Frame")
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private.frame:RegisterEvent("ADDON_LOADED")
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private.frame:RegisterEvent("PLAYER_LOGIN")
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private.frame:RegisterEvent("PLAYER_LOGOUT")
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private.frame:SetScript("OnEvent", private.OnEvent)
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end
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