--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Modules/BuffFrame.lua	Thu Jul 28 18:27:56 2016 -0400
@@ -0,0 +1,315 @@
+-- Veneer
+-- BuffFrame.lua
+-- Created: 7/27/2016 8:08 PM
+-- %file-revision%
+--
+local PLUGIN_NAME = 'BuffFrame'
+local plugin = {}
+local vn, print = LibStub("LibKraken").register(VeneerController, plugin)
+
+
+
+local buttons = {}
+local buffTypes = {
+  {
+    name = 'buff',
+    pattern = 'BuffButton(%d)',
+    filters = 'HELPFUL',
+  },
+  {
+    name = 'debuff',
+    pattern = 'DebuffButton(%d)',
+    filters = 'HARMFUL',
+  },
+  {
+    name = 'tempenchant',
+    pattern = 'TempEnchant(%d)',
+    filters = 'TEMPENCHANT'
+  }
+}
+
+local textureMapping = {
+  [1] = 16,	--Main hand
+  [2] = 17,	--Off-hand
+  [3] = 18,	--Ranged
+}
+
+local tickCounter = {}
+local aurasCache = {}
+local skinnedFrames = {}
+local pendingFrames = {}
+local anchors = {}
+local expirationCache = {}
+
+local VeneerButton_OnHide = function(self)
+  self:SetScript('OnDragStart', self.StartMoving)
+  self:SetScript('OnDragStop', self.StopMovingOrSizing)
+  self:SetMovable(true)
+  self:EnableMouse(true)
+  self:RegisterForDrag('LeftButton')
+end
+local VeneerButton_OnShow = function(self)
+  self:SetScript('OnDragStart', self.StartMoving)
+  self:SetScript('OnDragStop', self.StopMovingOrSizing)
+  self:SetMovable(true)
+  self:EnableMouse(true)
+  self:RegisterForDrag('LeftButton')
+end
+
+
+local GetVeneer = function(frame)
+  local name = frame:GetName()
+  if not _G[name..'Veneer'] then
+
+    local veneer = CreateFrame('Frame', name..'Veneer', UIParent)
+    veneer:SetAllPoints(frame)
+    veneer.bg = veneer:CreateTexture()
+    veneer.bg:SetColorTexture(0,1,0,0.5)
+    veneer.bg:SetAllPoints(veneer)
+    veneer.bg:Hide()
+    veneer:Hide()
+
+    veneer:SetScript('OnShow', VeneerButton_OnShow)
+    veneer:SetScript('OnHide', VeneerButton_OnHide)
+
+    local position = tonumber(name:match("%d"))
+    if position == 1 then
+      veneer:Show()
+    end
+
+    veneer.progress = CreateFrame('Frame', name .. 'VeneerProgress', veneer)
+    veneer.progress:Hide()
+    veneer.progress:SetPoint('BOTTOMLEFT', veneer, 'BOTTOMLEFT', 3, -6)
+    veneer.progress:SetPoint('TOPRIGHT', veneer, 'BOTTOMRIGHT', -3, -1)
+
+    veneer.progress.bg = veneer.progress:CreateTexture(nil, 'BACKGROUND')
+    veneer.progress.bg:SetColorTexture(0,0,0,0.5)
+    veneer.progress.bg:SetAllPoints(veneer.progress)
+
+    veneer.progress.fg = veneer.progress:CreateTexture(nil, 'ARTWORK')
+    veneer.progress.fg:SetColorTexture(0,1,0,1)
+    veneer.progress.fg:SetPoint('BOTTOMLEFT', 1,1)
+    veneer.progress.fg:SetPoint('TOP', 0, -1)
+
+    veneer.progress.status = veneer.progress:CreateFontString()
+    veneer.progress.status:SetFontObject(VeneerNumberFont)
+    veneer.progress.status:SetPoint('TOP')
+
+  end
+
+
+  return _G[name..'Veneer']
+end
+
+local UpdateVeneer = function (frame, duration, expires)
+  local veneer = GetVeneer(frame)
+
+  if expires and duration then
+    veneer.progress:Show()
+
+    local startTime = (expires - duration)
+    local endTime = expires or 0
+    print('|cFF0088FF'..frame:GetName()..'|r', 'has expiration', startTime, 'to', endTime, 'over', duration, 'frame', veneer.progress:GetWidth())
+    veneer.progress:SetScript('OnUpdate', function(self)
+      local w = floor(veneer.progress:GetWidth()+.5)
+      local t = GetTime()
+      local progress = (t - startTime) / duration
+      if t >= endTime or not frame:IsVisible() then
+        veneer.startTime = nil
+        self:SetScript('OnUpdate', nil)
+        self:Hide()
+      else
+        self.fg:SetWidth(w - ceil(w * progress) - 2)
+      end
+    end)
+  end
+
+
+
+  veneer:Show()
+end
+
+
+-- Associates skinning elements with said button
+local SkinFrame = function(name)
+  local frame = _G[name ]
+  if skinnedFrames[frame] then
+    print('|cFFFF4400Attempting to skin a frame that already went through.|r')
+    return
+  end
+
+  local icon = _G[name .. 'Icon']
+  local border = _G[name .. 'Border']
+  local duration = _G[name .. 'Duration']
+  local slot = frame:GetID() or 0
+
+  tickCounter[frame] = (tickCounter[frame] or 0) + 1
+
+
+  print(tickCounter[frame], frame:GetName(), '|cFFFFFF00'..slot..'|r')
+  skinnedFrames[frame] = frame
+  frame:SetSize(48,48)
+  icon:SetTexCoord(0,1,0,1)
+  if border then
+    border:SetSize(50,50)
+  end
+  if duration then
+    duration:ClearAllPoints()
+    duration:SetPoint('BOTTOM')
+    duration:SetFontObject(VeneerNumberFont)
+    duration:SetDrawLayer('OVERLAY')
+
+  end
+
+  GetVeneer(frame)
+
+  anchors[frame] = veneer
+  print('Initializing', name)
+end
+
+
+--- Provides the number of changed indices for use in deciding between partial and full veneer updates
+local CacheCheck = function(frame, ...)
+  aurasCache[frame] = aurasCache[frame] or {}
+  local hasChange = 0
+  local numVals = select('#',...)
+  for i = 1,   numVals do
+    local arg = select(i, ...)
+    if aurasCache[frame][i] ~= arg then
+      hasChange = hasChange + 1
+    end
+    aurasCache[frame][i] = arg
+  end
+  return hasChange
+end
+
+local AuraButton_Update = function(name, index, filter)
+  local bName = name..index
+  local frame = _G[bName]
+  if frame and frame:IsVisible() then
+    tickCounter[frame] = (tickCounter[frame] or 0) + 1
+    local cacheDiff = CacheCheck(frame, UnitAura(frame.unit, frame:GetID(), frame.filter))
+    -- did something change?
+    if (cacheDiff >= 1) or not skinnedFrames[frame] then
+      print(frame:GetName(), 'diff:', cacheDiff)
+      tinsert(pendingFrames, frame)
+    end
+
+
+    if frame.expirationTime ~= expirationCache[name] then
+      print('|cFFBBFF00expirationTime|r', name, frame.expirationTime)
+      expirationCache[name] = frame.expirationTime
+      print(unpack(aurasCache[frame]))
+      UpdateVeneer(frame, aurasCache[frame][6], aurasCache[frame][7])
+    end
+
+    -- is it a new button?
+    if not skinnedFrames[frame] then
+      SkinFrame(bName)
+    end
+  end
+end
+
+local BuffFrame_UpdateAllBuffAnchors = function()
+  local todo = {}
+  if #pendingFrames >= 1 then
+
+    print('|cFFBBFF00AllBuffAnchors|r', #pendingFrames)
+    while pendingFrames[1] do
+      local frame = tremove(pendingFrames)
+      tinsert(todo, frame:GetName())
+
+      UpdateVeneer(frame)
+
+
+    end
+    print(table.concat(todo, ', '))
+  end
+  --BuffButton1
+  --DebuffButton1
+  TempEnchant1:SetPoint('TOPRIGHT', BuffButton1, 'TOPRIGHT', BuffButton1:GetWidth()+4, 0)
+end
+
+local AuraButton_UpdateDuration = function(frame, timeLeft)
+  local ts = ''
+  if timeLeft > 3600 then
+    ts = ts .. floor(timeLeft/3600) .. ':'
+    timeLeft = mod(timeLeft, 3600)
+  end
+  if timeLeft > 60 then
+    ts = ts .. floor(timeLeft/60) .. '\''
+    timeLeft = mod(timeLeft, 60)
+  end
+  ts = ts .. floor(timeLeft)..'"'
+
+  frame.duration:SetText(ts)
+  frame.duration:SetVertexColor(1,1,1)
+
+end
+
+local visibility = {}
+local TempEnchantButton_OnHide = function(self)
+  local isVisible = self:IsVisible()
+  if isVisible ~= visibility[self] then
+    print('|cFFFFFF00HIDE|r', self:GetName())
+    visibility[self] = isVisible
+  end
+end
+
+-- Obtains the first instance of Tenchant use
+
+local TemporaryEnchantFrame_Update = function(...)
+  local numVals = select('#', ...)
+  local numItems = numVals / 4
+  if numItems >= 1 then
+    for itemIndex = numItems, 1, -1 do
+      local frame = _G['TempEnchant'..itemIndex]
+      local hasEnchant, timeRemaining, enchantCharges = select((4 * (itemIndex -1)) + 1, ...)
+
+
+      if hasEnchant then
+        local endTime = floor(GetTime()*1000) + timeRemaining
+
+
+        --print(endTime)
+        if endTime ~= expirationCache[frame] then
+          if expirationCache[frame] then
+            print(endTime, expirationCache[frame], endTime - expirationCache[frame])
+          end
+          expirationCache[frame] = endTime
+          print('push tempenchant timer update', timeRemaining / 1000, GetTime()+(timeRemaining/1000))
+          UpdateVeneer(frame, timeRemaining/1000, GetTime()+(timeRemaining/1000))
+        end
+      else
+        GetVeneer(frame):Hide()
+      end
+
+    end
+
+  end
+
+end
+
+local BuffFrame_Update = function(...)
+  --print('Time for udpate!', ...)
+end
+
+
+hooksecurefunc("BuffFrame_Update", BuffFrame_Update)
+hooksecurefunc("AuraButton_UpdateDuration", AuraButton_UpdateDuration)
+hooksecurefunc("AuraButton_Update", AuraButton_Update)
+hooksecurefunc("BuffFrame_UpdateAllBuffAnchors", BuffFrame_UpdateAllBuffAnchors)
+hooksecurefunc("TemporaryEnchantFrame_Update", TemporaryEnchantFrame_Update)
+
+-- The TempEnchant frames are hardcoded in the base FrameXML, so get them now
+for i = 1, 3 do
+
+  SkinFrame('TempEnchant'..i)
+  hooksecurefunc(_G['TempEnchant'..i], "Hide", TempEnchantButton_OnHide)
+
+
+end
+
+plugin.init = function ()
+  plugin.db = vn.db[PLUGIN_NAME]
+end
\ No newline at end of file