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114 lines
2.7 KiB
114 lines
2.7 KiB
2 years ago
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local _, addon = ...
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-- game version API
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local _, _, _, interfaceVersion = GetBuildInfo()
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function addon:IsRetail()
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return interfaceVersion >= 100000
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end
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function addon:IsClassic()
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return interfaceVersion >= 20000 and interfaceVersion < 100000
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end
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function addon:IsClassicEra()
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return interfaceVersion < 20000
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end
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-- easy frame "removal"
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local hidden = CreateFrame('Frame')
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hidden:Hide()
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function addon:Hide(object, ...)
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if type(object) == 'string' then
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object = _G[object]
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end
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if ... then
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-- iterate through arguments, they're children referenced by key
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for index = 1, select('#', ...) do
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object = object[select(index, ...)]
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end
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end
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if object then
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object:SetParent(hidden)
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object.SetParent = nop
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if object.UnregisterAllEvents then
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object:UnregisterAllEvents()
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end
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end
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end
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-- random utilities
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do
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local GUID_PATTERN = '%w+%-.-%-.-%-.-%-.-%-(.-)%-'
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function addon:ExtractIDFromGUID(guid)
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return tonumber(guid:match(GUID_PATTERN))
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end
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end
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function addon:GetNPCID(unit)
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if unit then
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local npcGUID = UnitGUID(unit)
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return npcGUID and addon:ExtractIDFromGUID(npcGUID), npcGUID
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end
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end
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do
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local ITEM_LINK_FORMAT = '|Hitem:%d|h'
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function addon:GetItemLinkFromID(itemID)
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return ITEM_LINK_FORMAT:format(itemID)
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end
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end
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function addon:GetPlayerMapID()
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-- TODO: maybe use HBD data if it's available
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return C_Map.GetBestMapForUnit('player') or -1
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end
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function addon:tsize(tbl)
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-- would really like Lua 5.2 for this
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local size = 0
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for _ in next, tbl do
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size = size + 1
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end
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return size
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end
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do
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local function auraSlotsWrapper(unit, spellID, token, ...)
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local slot, data
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for index = 1, select('#', ...) do
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slot = select(index, ...)
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data = C_UnitAuras.GetAuraDataBySlot(unit, slot)
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if spellID == data.spellId and data.sourceUnit and (UnitIsUnit('player', data.sourceUnit) or UnitIsOwnerOrControllerOfUnit('player', data.sourceUnit)) then
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return nil, data
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end
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end
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return token
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end
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--[[ addon:GetUnitAura(_unitID_, _spellID_, _filter_)
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Returns the aura by spellID on the unit, if it exists.
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* [`unitID`](https://wowpedia.fandom.com/wiki/UnitId)
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* `spellID` - spell ID to check for
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* `filter` - aura filter, see [UnitAura](https://warcraft.wiki.gg/wiki/API_UnitAura#Filters)
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--]]
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function addon:GetUnitAura(unit, spellID, filter)
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local token, data
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repeat
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token, data = auraSlotsWrapper(unit, spellID, UnitAuraSlots(unit, filter, nil, token))
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until token == nil
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return data
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end
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end
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function addon:GetPlayerPosition(mapID)
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local pos = C_Map.GetPlayerMapPosition(mapID, 'player')
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return pos and pos:GetXY()
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end
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