Merge branch 'master' into scripting

Conflicts:
	src/m_cheat.cpp
	src/p_acs.cpp
	src/thingdef/thingdef_codeptr.cpp
	src/thingdef/thingdef_properties.cpp

src/g_shared/a_morph.cpp

@@ -137,14 +137,9 @@ bool P_MorphPlayer (player_t *activator, player_t *p, PClassPlayerPawn *spawntyp
 				hxarmor->Slots[3] = 0;
 				hxarmor->Slots[4] = spawntype->HexenArmor[0];
 			}
-			else if (item->ItemFlags & IF_KEEPDEPLETED)
-			{
-				// Set depletable armor to 0 (this includes BasicArmor).
-				item->Amount = 0;
-			}
 			else
 			{
-				item->Destroy ();
+				item->DepleteOrDestroy();
 			}
 		}
 		item = next;

src/g_shared/a_pickups.cpp

@@ -1177,6 +1177,32 @@ void AInventory::Destroy ()
 	if (SendItemDrop == this) SendItemDrop = NULL;
 }
 
+//===========================================================================
+//
+// AInventory :: DepleteOrDestroy
+//
+// If the item is depleted, just change its amount to 0, otherwise it's destroyed.
+//
+//===========================================================================
+
+void AInventory::DepleteOrDestroy ()
+{
+	// If it's not ammo or an internal armor, destroy it.
+	// Ammo needs to stick around, even when it's zero for the benefit
+	// of the weapons that use it and to maintain the maximum ammo
+	// amounts a backpack might have given.
+	// Armor shouldn't be removed because they only work properly when
+	// they are the last items in the inventory.
+	if (ItemFlags & IF_KEEPDEPLETED)
+	{
+		Amount = 0;
+	}
+	else
+	{
+		Destroy();
+	}
+}
+
 //===========================================================================
 //
 // AInventory :: GetBlend

src/g_shared/a_pickups.h

@@ -155,6 +155,7 @@ public:
 	virtual void MarkPrecacheSounds() const;
 	virtual void BeginPlay ();
 	virtual void Destroy ();
+	virtual void DepleteOrDestroy ();
 	virtual void Tick ();
 	virtual bool ShouldRespawn ();
 	virtual bool ShouldStay ();