This is a fix for the flasks,elixirs and potions for ArcEmu.In the newer revs they were bugged,you couldn't use them.Just apply this patch and they will work again
Index: Spell.cpp
===================================================================
--- Spell.cpp (revision 2590)
+++ Spell.cpp (working copy)
@@ -2698,6 +2698,10 @@
{
powerField = UNIT_FIELD_POWER4;
} break;
+ case POWER_TYPE_HAPPINESS:
+ {
+ powerField = UNIT_FIELD_POWER5;
+ } break;
case POWER_TYPE_RUNES:
{
if(GetProto()->RuneCostID && p_caster)
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