panel: add bagspace calculation

modules/panel.lua

@@ -25,7 +25,7 @@ pfUI:RegisterModule("panel", function ()
 
   -- list of available panel fields
   pfUI.panel.options = { "time", "fps", "exp", "gold", "friends",
-                         "guild", "durability", "zone", "ammo" }
+                         "guild", "durability", "zone", "ammo", "bagspace" }
 
   pfUI.panel:SetScript("OnEvent", function()
     if event == "PLAYER_ENTERING_WORLD" then
@@ -38,11 +38,13 @@ pfUI:RegisterModule("panel", function ()
       pfUI.panel:UpdateZone()
       pfUI.panel:UpdateAmmo()
       pfUI.panel:UpdateSoulshard()
+      pfUI.panel:UpdateBagspace()
     elseif event == "PLAYER_MONEY" then
       pfUI.panel:UpdateGold()
       pfUI.panel:UpdateRepair()
     elseif event == "BAG_UPDATE" then
       pfUI.panel:UpdateSoulshard()
+      pfUI.panel:UpdateBagspace()
     elseif event == "UNIT_INVENTORY_CHANGED" then
       pfUI.panel:UpdateAmmo()
     elseif event == "PLAYER_XP_UPDATE" then
@@ -229,6 +231,25 @@ pfUI:RegisterModule("panel", function ()
     end
   end
 
+  -- Update "bagspace"
+  function pfUI.panel:UpdateBagspace ()
+    local maxslots = 0
+    local usedslots = 0
+
+    for bag = 0,4 do
+      local bagsize = GetContainerNumSlots(bag)
+      maxslots = maxslots + bagsize
+      for j = 1,bagsize do
+        link = GetContainerItemLink(bag,j)
+        if link then
+          usedslots = usedslots + 1
+        end
+      end
+    end
+    local freeslots = maxslots - usedslots
+    pfUI.panel:OutputPanel("bagspace", freeslots .. " (" .. usedslots .. "/" .. maxslots .. ")")
+  end
+
   -- Update "gold"
   function pfUI.panel:UpdateGold ()
     local gold = floor(GetMoney()/ 100 / 100)