From 7384df27d6d376f3d7b8a257c5843e6e66ac11df Mon Sep 17 00:00:00 2001
From: shagu <ericmauser@googlemail.com>
Date: Sun, 20 Sep 2020 13:47:08 +0200
Subject: [PATCH] unitframes: cache playerbuff max durations

---
 api/unitframes.lua | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/api/unitframes.lua b/api/unitframes.lua
index f4c65b1d..95cd7763 100644
--- a/api/unitframes.lua
+++ b/api/unitframes.lua
@@ -25,10 +25,23 @@ local glow2 = {
   insets = {left = 0, right = 0, top = 0, bottom = 0},
 }
 
+local maxdurations = {}
 local function BuffOnUpdate()
   local timeleft = GetPlayerBuffTimeLeft(GetPlayerBuff(PLAYER_BUFF_START_ID+this.id,"HELPFUL"))
-  CooldownFrame_SetTimer(this.cd, GetTime(), timeleft, 1)
-  if not pfUI.bootup then this:SetScript("OnUpdate", nil) end
+  local texture = GetPlayerBuffTexture(GetPlayerBuff(PLAYER_BUFF_START_ID+this.id,"HELPFUL"))
+  local start = 0
+
+  if timeleft > 0 then
+    if not maxdurations[texture] then
+      maxdurations[texture] = timeleft
+    elseif maxdurations[texture] and maxdurations[texture] < timeleft then
+      maxdurations[texture] = timeleft
+    end
+
+    start = GetTime() - (maxdurations[texture] - timeleft)
+  end
+
+  CooldownFrame_SetTimer(this.cd, start, timeleft, timeleft > 0 and 1 or 0)
 end
 
 local function TargetBuffOnUpdate()