Lua Snippets

String manipulation

"Hello %s!":format("world") -- Hello world!

Blizzard API

Units

Function
UnitExists(sourceUnit)	Returns if the unit exists
UnitAffectingCombat(sourceUnit)	Are we in combat with the unit
UnitIsEnemy(sourceUnit, "player")	Is the unit hostile to the player (or specified unit)
UnitIsUnit("player", sourceUnit.."target")	Are these two unit names referring to the same unit
GetUnitName(sourceUnit)	Get the human-readable name for a unit

Events

Entering / Exiting Combat

PLAYER_REGEN_ENABLED fires when you leave combat, PLAYER_REGEN_DISABLED when you enter combat.

Stats updated

Events to monitor that can change player stats, so you can update displays reactively instead of updating every frame.

PLAYER_ENTERING_WORLD CHARACTER_POINTS_CHANGED UNIT_MODEL_CHANGED UNIT_LEVEL UNIT_STATS UNIT_RANGEDDAMAGE UNIT_ATTACK_POWER UNIT_RANGED_ATTACK_POWER UNIT_ATTACK UNIT_SPELL_HASTE UNIT_RESISTANCES PLAYER_GUILD_UPDATE SKILL_LINES_CHANGED COMBAT_RATING_UPDATE MASTERY_UPDATE SPEED_UPDATE LIFESTEAL_UPDATE AVOIDANCE_UPDATE PLAYER_TALENT_UPDATE PLAYER_EQUIPMENT_CHANGED PLAYER_AVG_ITEM_LEVEL_UPDATE PLAYER_DAMAGE_DONE_MODS ACTIVE_TALENT_GROUP_CHANGED UNIT_DAMAGE UNIT_ATTACK_SPEED UNIT_MAXHEALTH UNIT_AURA SPELL_POWER_CHANGED CHARACTER_ITEM_FIXUP_NOTIFICATION TRIAL_STATUS_UPDATE

Debugging Tools

Built-in Blizzard Debugging Tools

/eventtrace or /etrace to view the Event Tracing window

/framestack or /fstack to view all UX frames

/tableinspect <global> or /tinspect <global> to inspect a global table. If no table is specified, inspects the UI widget under the mouse cursor. Opens the table inspector.

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