diff --git a/src/actor.h b/src/actor.h
index 6c07c99dc..03266f9bb 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -643,6 +643,11 @@ public:
 	// Removes the item from the inventory list.
 	virtual void RemoveInventory (AInventory *item);
 
+	// Take the amount value of an item from the inventory list.
+	// If nothing is left, the item may be destroyed.
+	// Returns true if the initial item count is positive.
+	virtual bool TakeInventory (PClassActor *itemclass, int amount, bool fromdecorate = false, bool notakeinfinite = false);
+
 	// Uses an item and removes it from the inventory.
 	virtual bool UseInventory (AInventory *item);
 
diff --git a/src/g_shared/a_morph.cpp b/src/g_shared/a_morph.cpp
index 14ead016e..14bc49007 100644
--- a/src/g_shared/a_morph.cpp
+++ b/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;
diff --git a/src/g_shared/a_pickups.cpp b/src/g_shared/a_pickups.cpp
index 892ea01e0..0019c8aca 100644
--- a/src/g_shared/a_pickups.cpp
+++ b/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
diff --git a/src/g_shared/a_pickups.h b/src/g_shared/a_pickups.h
index 1331151ff..7bd94f9fb 100644
--- a/src/g_shared/a_pickups.h
+++ b/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 ();
diff --git a/src/m_cheat.cpp b/src/m_cheat.cpp
index 60436719c..163757581 100644
--- a/src/m_cheat.cpp
+++ b/src/m_cheat.cpp
@@ -769,10 +769,7 @@ void cht_Give (player_t *player, const char *name, int amount)
 				 static_cast<PClassActor *>(type)->GetReplacement()->IsDescendantOf(RUNTIME_CLASS(ADehackedPickup))))
 			{
 				// Give the weapon only if it belongs to the current game or
-				// is in a weapon slot. 
-				if (static_cast<PClassActor *>(type)->GameFilter == GAME_Any || 
-					(static_cast<PClassActor *>(type)->GameFilter & gameinfo.gametype) ||	
-					player->weapons.LocateWeapon(static_cast<PClassWeapon *>(type), NULL, NULL))
+				if (player->weapons.LocateWeapon(static_cast<PClassWeapon*>(type), NULL, NULL))
 				{
 					AWeapon *def = (AWeapon*)GetDefaultByType (type);
 					if (giveall == ALL_YESYES || !(def->WeaponFlags & WIF_CHEATNOTWEAPON))
@@ -854,7 +851,7 @@ void cht_Give (player_t *player, const char *name, int amount)
 void cht_Take (player_t *player, const char *name, int amount)
 {
 	bool takeall;
-	PClass *type;
+	PClassActor *type;
 
 	if (player->mo == NULL || player->health <= 0)
 	{
@@ -1045,7 +1042,7 @@ void cht_Take (player_t *player, const char *name, int amount)
 	if (takeall)
 		return;
 
-	type = PClass::FindClass (name);
+	type = PClass::FindActor (name);
 	if (type == NULL || !type->IsDescendantOf (RUNTIME_CLASS (AInventory)))
 	{
 		if (player == &players[consoleplayer])
@@ -1053,24 +1050,7 @@ void cht_Take (player_t *player, const char *name, int amount)
 	}
 	else
 	{
-		AInventory *inventory = player->mo->FindInventory(static_cast<PClassActor *>(type));
-
-		if (inventory != NULL)
-		{
-			inventory->Amount -= amount ? amount : 1;
-
-			if (inventory->Amount <= 0)
-			{
-				if (inventory->ItemFlags & IF_KEEPDEPLETED)
-				{
-					inventory->Amount = 0;
-				}
-				else
-				{
-					inventory->Destroy ();
-				}
-			}
-		}
+		player->mo->TakeInventory(type, amount ? amount : 1);
 	}
 	return;
 }
diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 52bcda4d6..2b3923d34 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -1131,40 +1131,6 @@ static void GiveInventory (AActor *activator, const char *type, int amount)
 	}
 }
 
-//============================================================================
-//
-// DoTakeInv
-//
-// Takes an item from a single actor.
-//
-//============================================================================
-
-static void DoTakeInv (AActor *actor, PClassActor *info, int amount)
-{
-	AInventory *item = actor->FindInventory (info);
-	if (item != NULL)
-	{
-		item->Amount -= amount;
-		if (item->Amount <= 0)
-		{
-			// 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 (item->ItemFlags & IF_KEEPDEPLETED)
-			{
-				item->Amount = 0;
-			}
-			else
-			{
-				item->Destroy ();
-			}
-		}
-	}
-}
-
 //============================================================================
 //
 // TakeInventory
@@ -1199,12 +1165,12 @@ static void TakeInventory (AActor *activator, const char *type, int amount)
 		for (int i = 0; i < MAXPLAYERS; ++i)
 		{
 			if (playeringame[i])
-				DoTakeInv (players[i].mo, info, amount);
+				players[i].mo->TakeInventory(info, amount);
 		}
 	}
 	else
 	{
-		DoTakeInv (activator, info, amount);
+		activator->TakeInventory(info, amount);
 	}
 }
 
@@ -2302,8 +2268,8 @@ void FBehavior::LoadScriptsDirectory ()
 	}
 
 // [EP] Clang 3.5.0 optimizer miscompiles this function and causes random
-// crashes in the program. I hope that Clang 3.5.x will fix this.
-#if defined(__clang__) && __clang_major__ == 3 && __clang_minor__ >= 5
+// crashes in the program. This is fixed in 3.5.1 onwards.
+#if defined(__clang__) && __clang_major__ == 3 && __clang_minor__ == 5 && __clang_patchlevel__ == 0
 	asm("" : "+g" (NumScripts));
 #endif
 	for (i = 0; i < NumScripts; ++i)
@@ -4781,8 +4747,8 @@ static void SetActorTeleFog(AActor *activator, int tid, FString telefogsrc, FStr
 		FActorIterator iterator(tid);
 		AActor *actor;
 
-		PClassActor * src = telefogsrc.IsNotEmpty() ? PClass::FindActor(telefogsrc) : NULL;
-		PClassActor * dest = telefogdest.IsNotEmpty() ? PClass::FindActor(telefogdest) : NULL;
+		PClassActor * src = PClass::FindActor(telefogsrc);
+		PClassActor * dest = PClass::FindActor(telefogdest);
 		while ((actor = iterator.Next()))
 		{
 			if (telefogsrc.IsNotEmpty())
diff --git a/src/p_conversation.cpp b/src/p_conversation.cpp
index b8fa0c29f..a768c72b9 100644
--- a/src/p_conversation.cpp
+++ b/src/p_conversation.cpp
@@ -649,22 +649,7 @@ static void TakeStrifeItem (player_t *player, PClassActor *itemtype, int amount)
 	if (itemtype == RUNTIME_CLASS(ASigil))
 		return;
 
-	AInventory *item = player->mo->FindInventory (itemtype);
-	if (item != NULL)
-	{
-		item->Amount -= amount;
-		if (item->Amount <= 0)
-		{
-			if (item->ItemFlags & IF_KEEPDEPLETED)
-			{
-				item->Amount = 0;
-			}
-			else
-			{
-				item->Destroy ();
-			}
-		}
-	}
+	player->mo->TakeInventory(itemtype, amount);
 }
 
 CUSTOM_CVAR(Float, dlg_musicvolume, 1.0f, CVAR_ARCHIVE)
diff --git a/src/p_glnodes.cpp b/src/p_glnodes.cpp
index 547cecace..a85dc94d9 100644
--- a/src/p_glnodes.cpp
+++ b/src/p_glnodes.cpp
@@ -944,13 +944,13 @@ bool P_LoadGLNodes(MapData * map)
 			result=true;
 			for(unsigned i=0; i<4;i++)
 			{
-				if (strnicmp(f_gwa->GetLump(i+1)->Name, check[i], 8))
+				if (strnicmp(f_gwa->GetLump(li+i+1)->Name, check[i], 8))
 				{
 					result=false;
 					break;
 				}
 				else
-					gwalumps[i] = f_gwa->GetLump(i+1)->NewReader();
+					gwalumps[i] = f_gwa->GetLump(li+i+1)->NewReader();
 			}
 			if (result) result = DoLoadGLNodes(gwalumps);
 		}
diff --git a/src/p_interaction.cpp b/src/p_interaction.cpp
index a4b849cbc..b68c4601d 100644
--- a/src/p_interaction.cpp
+++ b/src/p_interaction.cpp
@@ -799,10 +799,7 @@ static int UseHealthItems(TArray<AInventory *> &Items, int &saveHealth)
 			saveHealth -= maxhealth;
 			if (--Items[index]->Amount == 0)
 			{
-				if (!(Items[index]->ItemFlags & IF_KEEPDEPLETED))
-				{
-					Items[index]->Destroy ();
-				}
+				Items[index]->DepleteOrDestroy ();
 				Items.Delete(index);
 				break;
 			}
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 2aff70798..a16b9a47d 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -685,6 +685,57 @@ void AActor::RemoveInventory(AInventory *item)
 	}
 }
 
+//============================================================================
+//
+// AActor :: TakeInventory
+//
+//============================================================================
+
+bool AActor::TakeInventory(PClassActor *itemclass, int amount, bool fromdecorate, bool notakeinfinite)
+{
+	AInventory *item = FindInventory(itemclass);
+
+	if (item == NULL)
+		return false;
+
+	if (!fromdecorate)
+	{
+		item->Amount -= amount;
+		if (item->Amount <= 0)
+		{
+			item->DepleteOrDestroy();
+		}
+		// It won't be used in non-decorate context, so return false here
+		return false;
+	}
+
+	bool result = false;
+	if (item->Amount > 0)
+	{
+		result = true;
+	}
+
+	if (item->IsKindOf(RUNTIME_CLASS(AHexenArmor)))
+		return false;
+
+	// Do not take ammo if the "no take infinite/take as ammo depletion" flag is set
+	// and infinite ammo is on
+	if (notakeinfinite &&
+	((dmflags & DF_INFINITE_AMMO) || (player && player->cheats & CF_INFINITEAMMO)) &&
+		item->IsKindOf(RUNTIME_CLASS(AAmmo)))
+	{
+		// Nothing to do here, except maybe res = false;? Would it make sense?
+	}
+	else if (!amount || amount>=item->Amount)
+	{
+		item->DepleteOrDestroy();
+	}
+	else item->Amount-=amount;
+
+	return result;
+}
+
+
 //============================================================================
 //
 // AActor :: DestroyAllInventory
@@ -752,9 +803,9 @@ bool AActor::UseInventory (AInventory *item)
 	if (dmflags2 & DF2_INFINITE_INVENTORY)
 		return true;
 
-	if (--item->Amount <= 0 && !(item->ItemFlags & IF_KEEPDEPLETED))
+	if (--item->Amount <= 0)
 	{
-		item->Destroy ();
+		item->DepleteOrDestroy ();
 	}
 	return true;
 }
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index dc2cbc418..aaaf2d4f4 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -1996,34 +1996,8 @@ int DoTakeInventory(AActor *receiver, bool orresult, VM_ARGS)
 		return numret;
 	}
 
-	bool res = false;
-
-	AInventory *inv = receiver->FindInventory(itemtype);
-
-	if (inv && !inv->IsKindOf(RUNTIME_CLASS(AHexenArmor)))
-	{
-		if (inv->Amount > 0)
-		{
-			res = true;
-		}
-		// Do not take ammo if the "no take infinite/take as ammo depletion" flag is set
-		// and infinite ammo is on
-		if (flags & TIF_NOTAKEINFINITE &&
-			((dmflags & DF_INFINITE_AMMO) || (receiver->player->cheats & CF_INFINITEAMMO)) &&
-			inv->IsKindOf(RUNTIME_CLASS(AAmmo)))
-		{
-			// Nothing to do here, except maybe res = false;? Would it make sense?
-		}
-		else if (!amount || amount>=inv->Amount) 
-		{
-			if (inv->ItemFlags&IF_KEEPDEPLETED) inv->Amount=0;
-			else inv->Destroy();
-		}
-		else
-		{
-			inv->Amount -= amount;
-		}
-	}
+	bool res = receiver->TakeInventory(itemtype, amount, true, (flags & TIF_NOTAKEINFINITE) != 0);
+	
 	if (!orresult)
 	{
 		ACTION_SET_RESULT(res);
diff --git a/src/thingdef/thingdef_properties.cpp b/src/thingdef/thingdef_properties.cpp
index 17d080090..c60977b27 100644
--- a/src/thingdef/thingdef_properties.cpp
+++ b/src/thingdef/thingdef_properties.cpp
@@ -1448,8 +1448,8 @@ DEFINE_PROPERTY(stamina, I, Actor)
 DEFINE_PROPERTY(telefogsourcetype, S, Actor)
 {
 	PROP_STRING_PARM(str, 0);
-	if (!stricmp(str, "") || !stricmp(str, "none")) defaults->TeleFogSourceType = NULL;
-	else defaults->TeleFogSourceType = FindClassTentative(str, RUNTIME_CLASS(AActor));
+
+	defaults->TeleFogSourceType = FindClassTentative(str, RUNTIME_CLASS(AActor));
 }
 
 //==========================================================================
@@ -1458,8 +1458,8 @@ DEFINE_PROPERTY(telefogsourcetype, S, Actor)
 DEFINE_PROPERTY(telefogdesttype, S, Actor)
 {
 	PROP_STRING_PARM(str, 0);
-	if (!stricmp(str, "") || !stricmp(str, "none")) defaults->TeleFogDestType = NULL;
-	else defaults->TeleFogDestType = FindClassTentative(str, RUNTIME_CLASS(AActor));
+
+	defaults->TeleFogDestType = FindClassTentative(str, RUNTIME_CLASS(AActor));
 }
 
 //==========================================================================