Add BuffStacksOnAny() condition for total stacks across all units.

diff --git a/OvaleAura.lua b/OvaleAura.lua
index 74ad0c6..15077ce 100644
--- a/OvaleAura.lua
+++ b/OvaleAura.lua
@@ -1153,6 +1153,8 @@ end
 do
 	-- The total count of the matched aura.
 	local count
+	-- The total number of stacks of the matched aura.
+	local stacks
 	-- The start and ending times of the first aura to expire that will change the total count.
 	local startChangeCount, endingChangeCount
 	-- The time interval over which count > 0.
@@ -1160,6 +1162,7 @@ do

 	local function CountMatchingActiveAura(aura)
 		count = count + 1
+		stacks = stacks + aura.stacks
 		if aura.ending < endingChangeCount then
 			startChangeCount, endingChangeCount = aura.gain, aura.ending
 		end
@@ -1172,14 +1175,15 @@ do
 	end

 	--[[
-		Return the total count of the given aura across all units, the start/end times of
-		the first aura to expire that will change the total count, and the time interval
-		over which the count is more than 0.
+		Return the total count and stacks of the given aura across all units, the start/end times of
+		the first aura to expire that will change the total count, and the time interval over which
+		the count is more than 0.
 	--]]
 	statePrototype.AuraCount = function(state, auraId, filter, mine, minStacks)
 		-- Initialize.
 		minStacks = minStacks or 0
 		count = 0
+		stacks = 0
 		startChangeCount, endingChangeCount = math.huge, math.huge
 		startFirst, endingLast = math.huge, 0

@@ -1221,8 +1225,8 @@ do
 			end
 		end

-		Ovale:Logf("AuraCount(%d) is %s, %s, %s, %s, %s", auraId, count, startChangeCount, endingChangeCount, startFirst, endingLast)
-		return count, startChangeCount, endingChangeCount, startFirst, endingLast
+		Ovale:Logf("AuraCount(%d) is %s, %s, %s, %s, %s, %s", auraId, count, stacks, startChangeCount, endingChangeCount, startFirst, endingLast)
+		return count, stacks, startChangeCount, endingChangeCount, startFirst, endingLast
 	end
 end
 --</state-methods>
diff --git a/conditions/BuffCountOnAny.lua b/conditions/BuffCountOnAny.lua
index bee5e35..ec58267 100644
--- a/conditions/BuffCountOnAny.lua
+++ b/conditions/BuffCountOnAny.lua
@@ -38,7 +38,7 @@ do
 		local auraId, comparator, limit = condition[1], condition[2], condition[3]
 		local _, filter, mine = ParseCondition(condition)

-		local count, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine, condition.stacks)
+		local count, stacks, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine, condition.stacks)
 		if count > 0 and startChangeCount < math.huge then
 			local origin = startChangeCount
 			local rate = -1 / (endingChangeCount - startChangeCount)
diff --git a/conditions/BuffRemainsOnAny.lua b/conditions/BuffRemainsOnAny.lua
index 6de1b6b..d50d5dc 100644
--- a/conditions/BuffRemainsOnAny.lua
+++ b/conditions/BuffRemainsOnAny.lua
@@ -38,7 +38,7 @@ do
 		local auraId, comparator, limit = condition[1], condition[2], condition[3]
 		local _, filter, mine = ParseCondition(condition)

-		local count, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine, condition.stacks)
+		local count, stacks, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine, condition.stacks)
 		if count > 0 then
 			local start, ending = startFirst, endingLast
 			return TestValue(start, math.huge, 0, ending, -1, comparator, limit)
diff --git a/conditions/BuffStacksOnAny.lua b/conditions/BuffStacksOnAny.lua
new file mode 100644
index 0000000..b6da3ae
--- /dev/null
+++ b/conditions/BuffStacksOnAny.lua
@@ -0,0 +1,48 @@
+--[[--------------------------------------------------------------------
+    Ovale Spell Priority
+    Copyright (C) 2013, 2014 Johnny C. Lam
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License in the LICENSE
+    file accompanying this program.
+--]]--------------------------------------------------------------------
+
+local _, Ovale = ...
+
+do
+	local OvaleCondition = Ovale.OvaleCondition
+	local OvaleState = Ovale.OvaleState
+
+	local Compare = OvaleCondition.Compare
+	local ParseCondition = OvaleCondition.ParseCondition
+	local TestValue = OvaleCondition.TestValue
+	local state = OvaleState.state
+
+	--- Get the total number of stacks of the given aura across all targets.
+	-- @name BuffStacksOnAny
+	-- @paramsig number or boolean
+	-- @param id The spell ID of the aura or the name of a spell list.
+	-- @param operator Optional. Comparison operator: less, atMost, equal, atLeast, more.
+	-- @param number Optional. The number to compare against.
+	-- @param any Optional. Sets by whom the aura was applied. If the aura can be applied by anyone, then set any=1.
+	--     Defaults to any=0.
+	--     Valid values: 0, 1.
+	-- @return The total number of stacks.
+	-- @return A boolean value for the result of the comparison.
+	-- @see DebuffStacksOnAny
+
+	local function BuffStacksOnAny(condition)
+		local auraId, comparator, limit = condition[1], condition[2], condition[3]
+		local _, filter, mine = ParseCondition(condition)
+
+		local count, stacks, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine)
+		if count > 0 then
+			local start, ending = startFirst, endingChangeCount
+			return TestValue(start, ending, stacks, start, 0, comparator, limit)
+		end
+		return Compare(count, comparator, limit)
+	end
+
+	OvaleCondition:RegisterCondition("buffstacksonany", false, BuffStacksOnAny)
+	OvaleCondition:RegisterCondition("debuffstacksonany", false, BuffStacksOnAny)
+end
diff --git a/conditions/files.xml b/conditions/files.xml
index b6aadcb..59d627c 100644
--- a/conditions/files.xml
+++ b/conditions/files.xml
@@ -13,6 +13,7 @@
 	<Script file="BuffRemainsOnAny.lua" />
 	<Script file="BuffSnapshot.lua" />
 	<Script file="BuffStacks.lua" />
+	<Script file="BuffStacksOnAny.lua" />
 	<Script file="BuffStealable.lua" />
 	<Script file="CanCast.lua" />
 	<Script file="CastTime.lua" />