nameplates: add target indicator

modules/nameplates.lua

@@ -159,6 +159,15 @@ pfUI:RegisterModule("nameplates", function ()
       this.healthbar.bg:SetHeight(this.healthbar:GetHeight() + 3)
     end
 
+    if not this.healthbar.bgtarget then
+      this.healthbar.bgtarget = this.healthbar:CreateTexture(nil, "BACKGROUND")
+      this.healthbar.bgtarget:SetTexture(1,1,1,0.90)
+      this.healthbar.bgtarget:ClearAllPoints()
+      this.healthbar.bgtarget:SetPoint("CENTER", this.healthbar, "CENTER", 0, 0)
+      this.healthbar.bgtarget:SetWidth(this.healthbar:GetWidth() + 5)
+      this.healthbar.bgtarget:SetHeight(this.healthbar:GetHeight() + 5)
+    end
+
     this.healthbar.reaction = nil
 
     -- level
@@ -465,6 +474,13 @@ pfUI:RegisterModule("nameplates", function ()
       name:SetTextColor(1,1,1,0.85)
     end
 
+    -- target indicator
+    if UnitExists("target") and healthbar:GetAlpha() == 1 then
+      healthbar.bgtarget:Show()
+    else
+      healthbar.bgtarget:Hide()
+    end
+
     -- update combopoints
     if combopoints and C.nameplates.cpdisplay == "1" then
       for point=1, 5 do