Changing colour of health text when HP is low.

[13ulbasaur]

Hello! I'm making a new interface for myself, and one of the elements I had planned in it is that the health's text, you know the bit that displays the health's percentage, total, current etc., will change to a bright red colour when health is, say, 30% or less. The issue is that, I don't actually know how to do this. I'm planning on using WeakAuras and stuf to make this due to their customizability, so is there a way to make this when HP is <= 30%, the font turns red, otherwise it stays white, with either of those addons, or a separate one? I don't want it to fade into red, which is what happens when i set the colour on stuf to hpthreshold, I just want it to 'pop' become red.

On the topic of fading, does anyone know if its also possible to make it so that the health bar colour also just 'pops' turns into red, rather than fade into red?

I haven't really started making the UI yet (everything I've got so far are all concepts, planning, and an alt with a very messy test UI), so I'm happy to switch to a different unit frame addon if another does better than stuf.

Thank you very much.

[SDPhantom]

This is just raw Lua code you can run to accomplish this.

hooksecurefunc("UnitFrameHealthBar_Update",function(bar,unit)
    if bar and not bar.lockValues then
        local cur,_,max=bar:GetValue(),bar:GetMinMaxValues();
        local r,g,b=1,0,0;--    Default red for both bar and text
 
        if cur/max>0.3 then r,g,b=0,1,0; end--  Green bar if >30%
        if not bar.disconnected and not bar.lockColor then bar:SetStatusBarColor(r,g,b); end
 
        if cur/max>0.3 or bar.isZero then r,g,b=1,1,1; end--    White text if dead or >30%
        if bar.TextString then bar.TextString:SetTextColor(r,g,b); end
        if bar.LeftText then bar.LeftText:SetTextColor(r,g,b); end
        if bar.RightText then bar.RightText:SetTextColor(r,g,b); end
    end
end);

Originally Posted by 13ulbasaur (everything I've got so far are all concepts, planning, and an alt with a very messy test UI)

That's pretty much how mine looks all the time. I still use the default UI with Frankenstein bits and pieces of code I added.

[13ulbasaur]

Originally Posted by SDPhantom This is just raw Lua code you can run to accomplish this. hooksecurefunc("UnitFrameHealthBar_Update",function(bar,unit)     if bar and not bar.lockValues then         local cur,_,max=bar:GetValue,bar:GetMinMaxValues();         local r,g,b=1,0,0;--    Default red for both bar and text           if cur/max>0.3 then r,g,b=0,1,0; end--  Green bar if >30%         if not bar.disconnected and not bar.lockColor then bar:SetStatusBarColor(r,g,b); end           if cur/max>0.3 or bar.isZero then r,g,b=1,1,1; end--    White text if dead or >30%         if bar.TextString then bar.TextString:SetTextColor(r,g,b); end         if bar.LeftText then bar.LeftText:SetTextColor(r,g,b); end         if bar.RightText then bar.RightText:SetTextColor(r,g,b); end     end end); That's pretty much how mine looks all the time. I still use the default UI with Frankenstein bits and pieces of code I added.

Hey thanks for this! I appreciate it. However, in all of my noobity, I'm not completely sure how to use it. I tried sticking the code into a custom LUA box for text in stuf but nothing comes up, and I just am not sure where to put it for the bar. Do you think you could give me a little step-by-step?

Sorry! Thanks a lot. And yee frankenstein o/

[SDPhantom]

It's just pure Lua code, meaning it doesn't run through any other addon. It's addon code by itself. You can either create a folder and ToC file for it or copy/paste the code into http://addon.bool.no to have it done for you.

[13ulbasaur]

Originally Posted by SDPhantom It's just pure Lua code, meaning it doesn't run through any other addon. It's addon code by itself. You can either create a folder and ToC file for it or copy/paste the code into http://addon.bool.no to have it done for you.

I see! Thanks a lot. I tried using it with the help of that link, but when I start up the game all I get is this error:

Date: 2016-02-03 18:01:12
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\MyFirstAddOn\code.lua line 5:
   function arguments expected near ','
Debug:
   
Locals:

AddOns:
  Swatter, v5.0.0 (<%codename%>)
  WowheadLooter, v60009
  Auctionator, v3.2.6
  Babylonian, v5.1.DEV.332(/embedded)
  ColorPickerPlus, v
  Configator, v5.1.DEV.376(/embedded)
  DBMCore, v
  DBMDefaultSkin, v
  DBMStatusBarTimers, v
  eAlign, v
  Engraved, v1.6.1
  EnhancedFriendsList, v1.2
  Gatherer, v5.0.0
  Grid2, vr786
  Grid2AoeHeals, vr786
  Grid2LDB, vr786
  Grid2RaidDebuffs, vr786
  GTFO, v4.37.6
  kgPanels, v1.20
  KuiNameplates, v260
  KuiNameplatesAuras, v
  MasterPlanA, vA
  MikScrollingBattleText, v5.7.143
  MogIt, v3.5.7
  MogItAccessories, v
  mountainomountsmop, vv2.2
  MyFirstAddOn, v
  BlizRuntimeLib_enUS v6.2.3.60200 <none>
  (ck=28c)

and no red when low. Am I supposed to be changing something? I just put in exactly as your code was.

[SDPhantom]

I made a mistake and left out something. Open the .lua file with a text editor like Notepad and modify the following line:

local cur,_,max=bar:GetValue(),bar:GetMinMaxValues();

Add the parenthesis colored green.

This fix has been applied to the code posted above as well.

[13ulbasaur]

Originally Posted by SDPhantom I made a mistake and left out something. Open the .lua file with a text editor like Notepad and modify the following line: local cur,_,max=bar:GetValue(),bar:GetMinMaxValues(); Add the parenthesis colored green. This fix has been applied to the code posted above as well.

Thanks, no error pops up anymore. But text still remains a lovely white. Is it because I am using stuf? Do I need to change a setting in stuf or something?

Thanks again, and sorry for the hassle.

EDIT: I did manage to find a way to make it pop red. I kinda cheese it by just mimicking the health bar and text with WA and overlaying it on the original, make it red, and make it pop up when health is <=30%, and bam. The only issue is that WA refuses to let the text cover over perfectly so there's awkward little white bits.

[SDPhantom]

While conflicts with other addons can happen, it appears not all UnitFrames are running the event-based hook that I used. I changed the hook to come in from a different approach that should run more reliably.

hooksecurefunc("TextStatusBar_UpdateTextStringWithValues",function(bar,text,val,min,max)
    local name=bar:GetName();
    if name and name:find("HealthBar$") then
        local pcnt=val/max;
        local r,g,b=1,0,0;--    Default red for both bar and text
 
        if pcnt>0.3 then r,g,b=0,1,0; end--  Green bar if >30%
        if not bar.disconnected and not bar.lockColor then bar:SetStatusBarColor(r,g,b); end
 
        if pcnt>0.3 or pcnt<=0 then r,g,b=1,1,1; end--    White text if dead or >30%
        if bar.LeftText then bar.LeftText:SetTextColor(r,g,b); end
        if bar.RightText then bar.RightText:SetTextColor(r,g,b); end
        text:SetTextColor(r,g,b);
    end
end);