libdebuff: use proper invocation of UnitDebuff

api/tbc.lua

@@ -47,7 +47,11 @@ function pfUI.api.UnitDebuff(unitstr, i)
 end
 
 -- use native UnitDebuff instead of libdebuff emulation
-pfUI.api.libdebuff = { ["UnitDebuff"] = _G.UnitDebuff }
+pfUI.api.libdebuff = {
+  ["UnitDebuff"] = function(self, unit, i)
+    return _G.UnitDebuff(unit, i)
+  end
+}
 
 -- blacklist unrequired modules
 pfUI.module.autoshift = true

libs/libdebuff.lua

@@ -145,16 +145,16 @@ libdebuff:SetScript("OnEvent", function()
     for unit, effect in gfind(arg1, libdebuff.combatlog) do
       local unitlevel = UnitName("target") == unit and UnitLevel("target") or 0
       if not libdebuff.objects[unit] or not libdebuff.objects[unit][unitlevel] or not libdebuff.objects[unit][unitlevel][effect] then
-        this:AddEffect(unit, unitlevel, effect)
+        libdebuff:AddEffect(unit, unitlevel, effect)
       end
     end
 
   -- Add Missing Buffs by Iteration
   elseif ( event == "UNIT_AURA" and arg1 == "target" ) or event == "PLAYER_TARGET_CHANGED" then
     for i=1, 16 do
-      effect, rank, texture, stacks, dtype, duration, timeleft = this:UnitDebuff("target", i)
+      effect, rank, texture, stacks, dtype, duration, timeleft = libdebuff:UnitDebuff("target", i)
       if texture and effect and duration then
-        this:AddEffect(UnitName("target"), UnitLevel("target"), effect)
+        libdebuff:AddEffect(UnitName("target"), UnitLevel("target"), effect)
       end
     end
 

modules/nameplates.lua

@@ -627,12 +627,15 @@ pfUI:RegisterModule("nameplates", function ()
           this.debuffs[j].icon:SetTexture(icon)
           this.debuffs[j].icon:SetTexCoord(.078, .92, .079, .937)
 
-          if libdebuff and name then
+          if name and libdebuff then
             this.debuffs[j].cd = this.debuffs[j].cd or CreateFrame("Model", nil, this.debuffs[j], "CooldownFrameTemplate")
             this.debuffs[j].cd.pfCooldownType = "ALL"
-            local start, duration, timeleft = libdebuff:GetDebuffInfo("target", name)
-            this.debuffs[j].cd:SetAlpha(0)
-            CooldownFrame_SetTimer(this.debuffs[j].cd, start, duration, 1)
+
+            local name, rank, texture, stacks, dtype, duration, timeleft = libdebuff:UnitDebuff("target", i)
+            if duration and timeleft then
+              this.debuffs[j].cd:SetAlpha(0)
+              CooldownFrame_SetTimer(this.debuffs[i].cd, GetTime() + timeleft - duration, duration, 1)
+            end
           end
 
           k = k + 1