Wiley-World.of.Warcraft.Programming.A.Guide.and.Reference.for.Creating.WoW.Addons

1360 Index ■ B–BBagBuddy_Update()adding OnEvent handler, 249–250altering, 248–249tracking new inventory items, 246–248using items from inventory, 253–254writing new sorting function, 248BagBuddyItemTemplate, 175BagBuddy.lua codeframe templates, 184frames and graphics, 168tracking new inventory items, 246–251widgets, 233–237WoW API, 204–205BagBuddy.toc code, 168BagBuddy.xml codeframe templates, 184–186frames and graphics, 168–169widgets, 237–241bags"bag" attribute, 1325bag IDs, 193–194watching for changes in player’s, 354writing bag scanner, 198–201bank functions, 1031–1032BankButtonIDToInvSlotID, 563barbershop functions, 1032BarberShopReset, 563battefield functions, 1032–1035behavior, altering. See function hookingbeneficial spells, casting, 290–291, 298best practices, 1305–1327avoiding adding files while WOW is running,1325–1326avoiding entering | into chat edit box, 1326avoiding missing frames, 1326avoiding requesting data beforePLAYER_LOGIN, 1327breaking apart long functions, 1309checking expected conditions first, 1319–1320consistent programming style, 1309–1310failure to check API returns, 1326–1327failure to check Logs/FrameXML.log file, 1326failure to clear existing anchor points, 1327local variables, 1310–1311minimizing unnecessary garbage, 1311–1317named constants instead of literals, 1307–1308recycling objects, 1317–1318recycling tables, 1318–1319reworking repetitive code, 1308–1309shortcut evaluation, 1320–1322variable name exceptions, 1307variable names, meaningful, 1306–1307WoW environment, 1323–1325BindEnchant, 563–564binding, API meta-type, 545binding keys and clicks to addon code. See keybindingBindings.xml, 332–334BindingTest.lua, 332–334BindingTest.toc, 330BindingTest.xml, 330–331bitfieldAPI meta-type, 544–545combat logs, 389–390bits, combat logs and, 389BlessedMenus code, 496–499Blizzardaddons, 8–10disabled addons of, 6–7interface art, 85internal functions, 1035XML User Interface Customization tool, 85–86Blizzard_DebugTools addon, 254–255blocks, scope, 36BLP2 (.blp) graphics format, 86, 134, 373boolean values and operators, 33–35BossIDs library, 1336bracket ([[ ]]) quote marks, 30–31branchesGit and Mercurial terminology, 1344–1345Subversion, 1340–1341buff functions, 1035BUILDING_DAMAGE, combat events, 391BUILDING_HEAL, combat events, 392Burning Crusade expansion pack to WoW, 6button templatescreating for BagBuddy, 174–177TabButtonTemplate, 182UICheckButtonTemplate, 181UIPanelButtonTemplate, 180UIPanelCloseButton template, 180UIRadioButton template, 183Button widget. See buttonsbuttonsaction. See action buttonsadding to dropdown menus, 433–434adding toggle button to dropdown menus,432–433CombatTrackerFrame, 271creating clickable, 212–219navigation, multiple pages, 219–224reference guide, 1164–1170testing textures, 384as widget type, 227–228buttons, interactive, 207–212overview of, 207–208setting frame scripts via Lua, 209setting frame scripts via XML, 208showing item tooltips, 210–212using function attribute, 209BuybackItem, 564–565BuyGuildBankTab, 564BuyGuildCharter, 564BuyMerchantItem, 564