Item detection issues
This commit is contained in:
Salikh Gurgenidze
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-- Guda Item Detection
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-- Centralized item property detection with caching
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-- Used by: CategoryManager, SortEngine, QuestItemBar, ItemButton, BagFrame, BankFrame
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local addon = Guda
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local ItemDetection = {}
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addon.Modules.ItemDetection = ItemDetection
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--=====================================================
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-- Detection Result Caching
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-- Caches tooltip scan results to avoid repeated scans
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--=====================================================
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local detectionCache = {}
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local cacheHits = 0
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local cacheMisses = 0
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-- Clear the detection cache
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function ItemDetection:ClearCache()
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detectionCache = {}
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cacheHits = 0
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cacheMisses = 0
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end
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-- Get cache statistics
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function ItemDetection:GetCacheStats()
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local total = cacheHits + cacheMisses
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local hitRate = total > 0 and (cacheHits / total * 100) or 0
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local size = 0
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for _ in pairs(detectionCache) do size = size + 1 end
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return {
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hits = cacheHits,
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misses = cacheMisses,
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total = total,
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hitRate = hitRate,
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size = size,
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}
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end
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-- Generate cache key for an item
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local function GetCacheKey(itemLink)
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if not itemLink then return nil end
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return itemLink
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end
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--=====================================================
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-- Tooltip Scanning Helpers
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--=====================================================
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-- Get or create the scanning tooltip
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local scanTooltip = nil
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local function GetScanTooltip()
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if not scanTooltip then
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scanTooltip = CreateFrame("GameTooltip", "GudaItemDetectionTooltip", nil, "GameTooltipTemplate")
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scanTooltip:SetOwner(WorldFrame, "ANCHOR_NONE")
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end
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return scanTooltip
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end
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-- Scan tooltip and return all text lines
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local function ScanTooltipLines(bagID, slotID, itemLink)
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local tooltip = GetScanTooltip()
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local tooltipName = "GudaItemDetectionTooltip"
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-- Ensure tooltip owner is set before each scan
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tooltip:SetOwner(WorldFrame, "ANCHOR_NONE")
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tooltip:ClearLines()
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-- Set tooltip based on what we have
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if bagID and slotID then
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if bagID == -1 then
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-- Bank main bag: use SetInventoryItem (slot 39 + slotID)
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if tooltip.SetInventoryItem then
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tooltip:SetInventoryItem("player", 39 + slotID)
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else
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-- Fallback to hyperlink if SetInventoryItem not available
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if itemLink then
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tooltip:SetHyperlink(itemLink)
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else
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return {}
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end
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end
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else
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-- Regular bags and bank bags (5-11)
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tooltip:SetBagItem(bagID, slotID)
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end
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elseif itemLink then
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tooltip:SetHyperlink(itemLink)
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else
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return {}
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end
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local lines = {}
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local numLines = tooltip:NumLines() or 0
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for i = 1, numLines do
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local leftLine = getglobal(tooltipName .. "TextLeft" .. i)
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local rightLine = getglobal(tooltipName .. "TextRight" .. i)
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local leftText = leftLine and leftLine:GetText() or ""
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local rightText = rightLine and rightLine:GetText() or ""
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-- Get text colors (for detecting yellow/green text)
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local lr, lg, lb, la = 1, 1, 1, 1
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if leftLine and leftLine.GetTextColor then
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lr, lg, lb, la = leftLine:GetTextColor()
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end
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table.insert(lines, {
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left = leftText,
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right = rightText,
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leftLower = leftText and string.lower(leftText) or "",
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rightLower = rightText and string.lower(rightText) or "",
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r = lr, g = lg, b = lb,
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})
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end
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return lines
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end
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--=====================================================
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-- Core Detection Functions
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--=====================================================
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-- Check if item is a permanent enchant (enchanting scroll/vellum)
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local function DetectPermanentEnchant(lines)
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for _, line in ipairs(lines) do
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if string.find(line.leftLower, "permanently") then
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return true
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end
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end
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return false
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end
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-- Check if item is a quest item and/or quest starter
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local function DetectQuestItem(lines, itemData)
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local isQuestItem = false
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local isQuestStarter = false
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-- Check item category first
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if itemData and itemData.class == "Quest" then
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isQuestItem = true
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end
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-- Scan tooltip for quest-related text
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for _, line in ipairs(lines) do
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local text = line.leftLower
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-- Quest starter patterns (highest priority)
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if string.find(text, "quest starter") or
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string.find(text, "this item begins a quest") or
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string.find(text, "begins a quest") or
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string.find(text, "starts a quest") then
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isQuestItem = true
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isQuestStarter = true
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end
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-- Quest item patterns
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if string.find(text, "quest item") then
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isQuestItem = true
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end
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end
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return isQuestItem, isQuestStarter
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end
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-- Check if item is junk (gray or white equippable without special properties)
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local function DetectJunk(lines, itemData)
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if not itemData then return false end
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-- Ensure quality is a number
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local quality = tonumber(itemData.quality)
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local itemClass = itemData.class or ""
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local itemSubclass = itemData.subclass or ""
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local itemName = itemData.name or ""
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local itemLink = itemData.link or ""
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-- Gray items are always junk
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-- Check quality value OR link color (gray = |cff9d9d9d)
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if quality == 0 then
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return true
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end
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-- Fallback: check link color for gray items
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if itemLink and string.find(itemLink, "|cff9d9d9d") then
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return true
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end
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-- If quality is still nil, try to determine from link color
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if quality == nil then
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if string.find(itemLink, "|cffffffff") then
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quality = 1 -- White
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else
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return false -- Unknown quality, don't mark as junk
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end
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end
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-- White equippable items might be junk
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if quality == 1 and (itemClass == "Weapon" or itemClass == "Armor") then
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-- Exclusions: trinkets, rings, necklaces, tabards, shirts
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local subLower = string.lower(itemSubclass)
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if string.find(subLower, "trinket") or
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string.find(subLower, "ring") or
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string.find(subLower, "neck") or
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string.find(subLower, "tabard") or
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string.find(subLower, "shirt") then
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return false
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end
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-- Check for profession tools by common names
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local nameLower = string.lower(itemName)
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if string.find(nameLower, "mining pick") or
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string.find(nameLower, "skinning knife") or
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string.find(nameLower, "blacksmith hammer") or
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string.find(nameLower, "fishing pole") or
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string.find(nameLower, "gnomish army knife") then
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return false
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end
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-- Check for profession tool subtype
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if string.find(subLower, "fishing pole") or
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string.find(subLower, "mining pick") or
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string.find(subLower, "skinning knife") then
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return false
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end
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-- Check tooltip for special text (Use:, Equip:, green text)
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for _, line in ipairs(lines) do
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local text = line.leftLower
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-- Yellow text (Use:, Equip:)
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if line.r and line.g and line.b then
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local isYellow = (line.r > 0.9 and line.g > 0.75 and line.b < 0.2)
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local isGreen = (line.r < 0.2 and line.g > 0.9 and line.b < 0.2)
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if isYellow and (string.find(text, "use:") or string.find(text, "equip:")) then
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return false
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end
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if isGreen then
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return false
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end
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end
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end
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-- White equippable without special properties = junk
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return true
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end
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return false
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end
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-- Check if item is usable for a quest (has yellow "Use:" text related to quest)
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local function DetectQuestUsable(lines)
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for _, line in ipairs(lines) do
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-- Check for yellow "Use:" text
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if line.r and line.g and line.b then
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local isYellow = (line.r > 0.9 and line.g > 0.75 and line.b < 0.2)
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if isYellow and string.find(line.leftLower, "use:") then
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return true
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end
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end
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end
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return false
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end
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--=====================================================
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-- Public API - Cached Detection
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--=====================================================
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-- Get all item properties at once (cached)
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-- Returns: { isQuestItem, isQuestStarter, isQuestUsable, isJunk, isPermanentEnchant }
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function ItemDetection:GetItemProperties(itemData, bagID, slotID)
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if not itemData then
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return {
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isQuestItem = false,
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isQuestStarter = false,
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isQuestUsable = false,
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isJunk = false,
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isPermanentEnchant = false,
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}
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end
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local itemLink = itemData.link
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local cacheKey = GetCacheKey(itemLink)
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-- Check cache
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if cacheKey and detectionCache[cacheKey] then
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cacheHits = cacheHits + 1
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return detectionCache[cacheKey]
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end
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cacheMisses = cacheMisses + 1
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-- Scan tooltip once
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local lines = ScanTooltipLines(bagID, slotID, itemLink)
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-- Debug: log if tooltip scan failed
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if table.getn(lines) == 0 and addon.DEBUG then
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addon:Debug("ItemDetection: No tooltip lines for %s (bag=%s, slot=%s)",
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tostring(itemData.name or itemLink), tostring(bagID), tostring(slotID))
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end
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-- Detect all properties
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local isPermanentEnchant = DetectPermanentEnchant(lines)
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local isQuestItem, isQuestStarter = DetectQuestItem(lines, itemData)
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local isQuestUsable = DetectQuestUsable(lines)
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local isJunk = DetectJunk(lines, itemData)
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-- Debug: log junk detection for gray items
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if addon.DEBUG then
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local quality = tonumber(itemData.quality)
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local linkHasGray = itemLink and string.find(itemLink, "|cff9d9d9d")
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if quality == 0 or linkHasGray then
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addon:Debug("ItemDetection JUNK: %s quality=%s linkGray=%s isJunk=%s",
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tostring(itemData.name), tostring(quality), tostring(linkHasGray), tostring(isJunk))
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end
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end
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-- Permanent enchants are NOT quest items (even if categorized as Quest)
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if isPermanentEnchant then
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isQuestItem = false
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isQuestStarter = false
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isQuestUsable = false
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end
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local result = {
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isQuestItem = isQuestItem,
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isQuestStarter = isQuestStarter,
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isQuestUsable = isQuestUsable,
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isJunk = isJunk,
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isPermanentEnchant = isPermanentEnchant,
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}
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-- Cache result
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if cacheKey then
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detectionCache[cacheKey] = result
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end
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return result
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end
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-- Convenience functions for single property checks
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function ItemDetection:IsQuestItem(itemData, bagID, slotID)
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local props = self:GetItemProperties(itemData, bagID, slotID)
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return props.isQuestItem, props.isQuestStarter
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end
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function ItemDetection:IsQuestStarter(itemData, bagID, slotID)
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local props = self:GetItemProperties(itemData, bagID, slotID)
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return props.isQuestStarter
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end
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function ItemDetection:IsQuestUsable(itemData, bagID, slotID)
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local props = self:GetItemProperties(itemData, bagID, slotID)
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return props.isQuestUsable
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end
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function ItemDetection:IsJunk(itemData, bagID, slotID)
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local props = self:GetItemProperties(itemData, bagID, slotID)
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return props.isJunk
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end
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function ItemDetection:IsPermanentEnchant(itemData, bagID, slotID)
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local props = self:GetItemProperties(itemData, bagID, slotID)
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return props.isPermanentEnchant
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end
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--=====================================================
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-- Initialization
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--=====================================================
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function ItemDetection:Initialize()
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-- Clear cache when entering world (character switch)
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addon.Modules.Events:Register("PLAYER_ENTERING_WORLD", function()
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self:ClearCache()
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end, "ItemDetection")
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addon:Debug("ItemDetection module initialized")
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end
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