120 lines
3.0 KiB
Lua
120 lines
3.0 KiB
Lua
BNP = BNP or {}
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BNP.libnameplate = BNP.libnameplate or {
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OnInit = {},
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OnShow = {},
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OnUpdate = {},
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}
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local lib = BNP.libnameplate
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local known = {}
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local initializedChildren = 0
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local function IsNamePlate(frame)
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if not frame or not frame.GetObjectType then return false end
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if frame:GetObjectType() ~= "Button" then return false end
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local firstRegion = frame:GetRegions()
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if not firstRegion or not firstRegion.GetObjectType or not firstRegion.GetTexture then
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return false
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end
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if firstRegion:GetObjectType() ~= "Texture" then return false end
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return firstRegion:GetTexture() == "Interface\\Tooltips\\Nameplate-Border"
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end
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local function AttachPlateShortcuts(plate)
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if plate.BNPShortcutsReady then return end
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-- Vanilla Blizzard nameplates expose the health StatusBar as their first child.
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local healthbar = plate:GetChildren()
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plate.healthbar = healthbar
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-- Vanilla region order:
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-- 1 border, 2 glow, 3 name, 4 level, 5 level icon, 6 raid icon.
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local regions = { plate:GetRegions() }
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plate.border = regions[1]
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plate.glow = regions[2]
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plate.name = regions[3]
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plate.level = regions[4]
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plate.levelicon = regions[5]
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plate.raidicon = regions[6]
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plate.BNPShortcutsReady = true
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end
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local function Fire(list, plate)
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plate = plate or this
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if not plate then return end
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local i
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for i = 1, table.getn(list) do
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if list[i] then
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pcall(list[i], plate)
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end
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end
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end
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local function RegisterPlate(plate)
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plate = plate or this
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if not plate then return end
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if known[plate] then return end
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known[plate] = true
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AttachPlateShortcuts(plate)
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if BNP.RegisterPlate then
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BNP:RegisterPlate(plate)
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end
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Fire(lib.OnInit, plate)
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if plate:IsShown() then
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Fire(lib.OnShow, plate)
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end
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-- Run OnShow callbacks when Blizzard reuses the same plate.
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local oldOnShow = plate:GetScript("OnShow")
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plate:SetScript("OnShow", function(self)
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local current = self or this or plate
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if not current then return end
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if oldOnShow then oldOnShow(current) end
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AttachPlateShortcuts(current)
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Fire(lib.OnShow, current)
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end)
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end
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local scanner = CreateFrame("Frame")
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local scanElapsed = 0
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scanner:SetScript("OnUpdate", function()
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scanElapsed = scanElapsed + arg1
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if scanElapsed < 0.10 then return end
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scanElapsed = 0
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local count = WorldFrame:GetNumChildren()
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-- Full scan only when WorldFrame gained children. This mirrors the lightweight
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-- discovery strategy used by Shagu's Vanilla nameplate code.
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if count > initializedChildren then
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local children = { WorldFrame:GetChildren() }
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local i
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for i = 1, table.getn(children) do
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local frame = children[i]
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if not known[frame] and IsNamePlate(frame) then
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RegisterPlate(frame)
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end
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end
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initializedChildren = count
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end
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-- Compatibility callback list for modules that want a throttled plate update.
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if table.getn(lib.OnUpdate) > 0 then
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local plate
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for plate in pairs(known) do
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if plate:IsShown() then
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Fire(lib.OnUpdate, plate)
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end
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end
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end
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end)
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