red color overlay for unusable item
This commit is contained in:
Salikh Gurgenidze
+190
-10
@@ -1,11 +1,10 @@
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-- Local alias to the addon root table (must be defined before any usages below)
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local addon = Guda
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-- Item button pool
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local buttonPool = {}
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local nextButtonID = 1
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-- Hidden tooltip for scanning quest items
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local scanTooltip = CreateFrame("GameTooltip", "Guda_QuestScanTooltip", nil, "GameTooltipTemplate")
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scanTooltip:SetOwner(WorldFrame, "ANCHOR_NONE")
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@@ -35,6 +34,179 @@ local function IsQuestItem(bagID, slotID)
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return false
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end
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--=====================================================
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-- Unusable item detection (pfUI-inspired implementation)
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-- Adds a red tint overlay to items that your character
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-- cannot use (class/race/skill restrictions), excluding
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-- purely broken durability cases.
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--=====================================================
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local function Guda_GetUnusableColor()
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if pfUI and C and C.appearance and C.appearance.bags and C.appearance.bags.unusable_color then
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local cr, cg, cb, ca = strsplit(",", C.appearance.bags.unusable_color)
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local r = tonumber(cr) or 0.9
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local g = tonumber(cg) or 0.2
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local b = tonumber(cb) or 0.2
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local a = tonumber(ca) or 1.0
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return r, g, b, a
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end
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-- Then Blizzard's RED_FONT_COLOR if present
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if RED_FONT_COLOR then
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return RED_FONT_COLOR.r, RED_FONT_COLOR.g, RED_FONT_COLOR.b, 1.0
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end
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-- Default pfUI-like
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return 0.9, 0.2, 0.2, 1.0
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end
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-- Build durability match pattern based on the client template
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local durabilityPattern
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if DURABILITY_TEMPLATE then
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-- e.g. "Durability %d / %d" -> "Durability (.+)"
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durabilityPattern = string.gsub(DURABILITY_TEMPLATE, "%%[^%s]+", "(.+)")
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end
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-- Tiny helper to compare font color to Blizzard's RED_FONT_COLOR
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local function IsRedColor(r, g, b)
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if not r or not g or not b or not RED_FONT_COLOR then return false end
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local dr = math.abs(r - RED_FONT_COLOR.r)
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local dg = math.abs(g - RED_FONT_COLOR.g)
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local db = math.abs(b - RED_FONT_COLOR.b)
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return (dr < 0.08 and dg < 0.08 and db < 0.08)
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end
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-- Scan tooltip for red text that is NOT a durability line
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local function IsItemUnusable(bagID, slotID, isBank)
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if not bagID or not slotID then return false end
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-- Some clients require SetOwner before every SetBagItem/SetInventoryItem to populate lines
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if scanTooltip.SetOwner then
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scanTooltip:SetOwner(UIParent or WorldFrame, "ANCHOR_NONE")
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end
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scanTooltip:ClearLines()
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if isBank and bagID == -1 then
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-- Bank frame item buttons map slots 1.. to inventory slots 40.. (39 + slot)
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if scanTooltip.SetInventoryItem then
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scanTooltip:SetInventoryItem("player", 39 + slotID)
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else
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-- Fallback to bag scan if API missing
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scanTooltip:SetBagItem(bagID, slotID)
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end
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else
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scanTooltip:SetBagItem(bagID, slotID)
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end
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if scanTooltip.Show then scanTooltip:Show() end
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local num = scanTooltip:NumLines() or 0
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for i = 1, num do
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-- Scan LEFT column
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local left = getglobal("Guda_QuestScanTooltipTextLeft" .. i)
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if left and left:IsShown() then
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local text = left:GetText()
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local r, g, b = left:GetTextColor()
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-- Be tolerant with red detection in case client colors differ slightly
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local isRed = IsRedColor(r, g, b) or (r and g and b and r > 0.85 and g < 0.3 and b < 0.3)
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if text and isRed then
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-- Ignore red durability (broken) lines
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if durabilityPattern and string.find(text, durabilityPattern, 1) then
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-- skip durability
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else
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if scanTooltip.Hide then scanTooltip:Hide() end
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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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-- Scan RIGHT column as well (required level etc can appear here on some clients)
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local right = getglobal("Guda_QuestScanTooltipTextRight" .. i)
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if right and right:IsShown() then
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local text = right:GetText()
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local r, g, b = right:GetTextColor()
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local isRed = IsRedColor(r, g, b) or (r and g and b and r > 0.85 and g < 0.3 and b < 0.3)
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if text and isRed then
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if durabilityPattern and string.find(text, durabilityPattern, 1) then
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-- skip durability
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else
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if scanTooltip.Hide then scanTooltip:Hide() end
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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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end
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if scanTooltip.Hide then scanTooltip:Hide() end
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return false
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end
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-- Apply/remove red tint on item texture for unusable items
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local function Guda_ItemButton_UpdateUsableTint(self)
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-- Only evaluate for live (player) items; DB cached items from other chars cannot be scanned
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if not self or not self.hasItem or not self.bagID or not self.slotID or self.isReadOnly then
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-- Clear any tint/overlay on non-live/empty slots
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if self.unusableOverlay and self.unusableOverlay.Hide then self.unusableOverlay:Hide() end
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if SetItemButtonTextureVertexColor then SetItemButtonTextureVertexColor(self, 1.0, 1.0, 1.0) end
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return
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end
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local unusable = IsItemUnusable(self.bagID, self.slotID, self.isBank)
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-- Ensure overlay exists (created in OnLoad, but be defensive)
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if not self.unusableOverlay then
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local icon = getglobal(self:GetName().."IconTexture") or getglobal(self:GetName().."Icon") or self.icon or self.Icon
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local overlay = (icon and icon:GetParent() or self):CreateTexture(nil, "OVERLAY")
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overlay:SetAllPoints(icon or self)
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overlay:SetTexture("Interface\\ChatFrame\\ChatFrameBackground")
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overlay:Hide()
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self.unusableOverlay = overlay
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end
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-- Always reset base icon vertex color to white; we drive the red via overlay to avoid external resets
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if SetItemButtonTextureVertexColor then SetItemButtonTextureVertexColor(self, 1.0, 1.0, 1.0) end
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if unusable then
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local r, g, b, a = Guda_GetUnusableColor()
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-- Slightly reduce alpha to avoid over-darkening the icon
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local alpha = (a or 1.0) * 0.45
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self.unusableOverlay:SetVertexColor(r or 0.9, g or 0.2, b or 0.2, alpha)
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self.unusableOverlay:Show()
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else
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if self.unusableOverlay and self.unusableOverlay.Hide then self.unusableOverlay:Hide() end
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end
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end
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--=====================================================
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-- Global rescanner to keep unusable tint in sync
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--=====================================================
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local function Guda_ItemButton_RescanAllUsableTint()
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if not buttonPool then return end
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for _, btn in pairs(buttonPool) do
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if btn and btn:IsShown() and btn.hasItem and not btn.isReadOnly then
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if Guda_ItemButton_UpdateUsableTint then
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Guda_ItemButton_UpdateUsableTint(btn)
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end
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end
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end
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end
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-- Event frame to refresh overlays when usability can change
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if not Guda_UnusableTintEventFrame then
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Guda_UnusableTintEventFrame = CreateFrame("Frame", "Guda_UnusableTintEventFrame")
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Guda_UnusableTintEventFrame:RegisterEvent("BAG_UPDATE")
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Guda_UnusableTintEventFrame:RegisterEvent("UNIT_INVENTORY_CHANGED")
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Guda_UnusableTintEventFrame:RegisterEvent("PLAYER_LEVEL_UP")
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if GetBuildInfo then
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-- Some clients expose skill update via this event name
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Guda_UnusableTintEventFrame:RegisterEvent("SKILL_LINES_CHANGED")
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end
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-- Bank related
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Guda_UnusableTintEventFrame:RegisterEvent("PLAYERBANKSLOTS_CHANGED")
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Guda_UnusableTintEventFrame:RegisterEvent("PLAYERBANKBAGSLOTS_CHANGED")
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Guda_UnusableTintEventFrame:SetScript("OnEvent", function()
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Guda_ItemButton_RescanAllUsableTint()
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end)
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end
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-- Create or get a button from the pool
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function Guda_GetItemButton(parent)
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-- Try to reuse existing button
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@@ -251,6 +423,10 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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if not self.isReadOnly and Guda_ItemButton_UpdateCooldown then
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Guda_ItemButton_UpdateCooldown(self)
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end
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-- Update unusable red overlay tint
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if Guda_ItemButton_UpdateUsableTint then
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Guda_ItemButton_UpdateUsableTint(self)
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end
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else
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-- Fully clear all item button state for empty slots
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if SetItemButtonTexture then SetItemButtonTexture(self, nil) end
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@@ -272,6 +448,11 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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end
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if emptySlotBg then emptySlotBg:Show() end
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-- Ensure any unusable tint is cleared on empty
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if SetItemButtonTextureVertexColor then
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SetItemButtonTextureVertexColor(self, 1.0, 1.0, 1.0)
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end
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end
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-- Resize empty slot background to match icon size (slightly larger to ensure coverage)
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@@ -375,7 +556,7 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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SetItemButtonDesaturated(self, isLocked, 0.5, 0.5, 0.5)
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end
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-- Hide NormalTexture for filled slots (pfUI style)
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-- Hide NormalTexture for filled slots
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self:SetNormalTexture("")
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local normalBorder = getglobal(self:GetName().."NormalTexture")
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if normalBorder then
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@@ -388,7 +569,7 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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emptySlotBg:SetAlpha(0.3) -- More subtle for filled slots
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end
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-- Search filtering (pfUI style - ONLY use alpha, no other effects)
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-- Search filtering
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if matchesFilter then
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-- Matching items: full opacity (1.0)
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self:SetAlpha(1.0)
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@@ -405,7 +586,7 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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countText:Hide()
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end
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-- Set quality border (pfUI style using backdrop border)
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-- Set quality border
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if self.qualityBorder then
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if bagID == -2 then
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-- Special border for keyring items (cyan/blue)
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@@ -498,18 +679,18 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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emptySlotBg:SetAlpha(0.5) -- Slightly more visible
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end
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-- Dim empty slots when searching (pfUI style)
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-- Dim empty slots when searching
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if matchesFilter then
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-- No search active or passes filter: normal opacity
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self:SetAlpha(1.0)
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else
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-- Search active and doesn't match: very dim (25% like pfUI)
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-- Search active and doesn't match: very dim
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self:SetAlpha(0.25)
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end
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countText:Hide()
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-- Show border for empty keyring slots (pfUI style)
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-- Show border for empty keyring slots
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if self.qualityBorder then
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if bagID == -2 then
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self.qualityBorder:SetBackdropBorderColor(0.2, 0.8, 1.0, 0.5) -- Dimmer cyan for empty slots
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@@ -530,7 +711,6 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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self:Show()
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end
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-- Setup icon texture using pfUI's approach (anchor to fill button)
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-- In 1.12.1, ItemButtonTemplate creates an icon named "$parentIconTexture"
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local iconTexture = getglobal(self:GetName().."IconTexture")
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if not iconTexture then
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@@ -555,7 +735,7 @@ function Guda_ItemButton_SetItem(self, bagID, slotID, itemData, isBank, otherCha
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iconTexture:SetPoint("CENTER", self, "CENTER", -0.5, 0.5)
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iconTexture:SetWidth(iconDisplaySize)
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iconTexture:SetHeight(iconDisplaySize)
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-- Crop icon edges slightly (pfUI uses .08 to .92)
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-- Crop icon edges slightly
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iconTexture:SetTexCoord(0.08, 0.92, 0.08, 0.92)
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iconTexture:Show()
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