- use an inventory flag to decide what items are slipped by DF_NO_HEALTH and DF_NO_ARMOR. With all the changes over the last 10 years this had become too spotty.

- use an enum type for ItemFlags, just like it was done for actor flags. Since the flag word is almost full it may soon be necessary to add a second one and then this kind of security check may become necessary.

src/g_inventory/a_pickups.h

@@ -17,7 +17,7 @@ struct visstyle_t;
 
 // A pickup is anything the player can pickup (i.e. weapons, ammo, powerups, etc)
 
-enum
+enum ItemFlag
 {
 	IF_ACTIVATABLE		= 1<<0,		// can be activated
 	IF_ACTIVATED		= 1<<1,		// is currently activated
@@ -46,8 +46,14 @@ enum
 	IF_TRANSFER			= 1<<24,	// All inventory items that the inventory item contains is also transfered to the pickuper
 	IF_NOTELEPORTFREEZE	= 1<<25,	// does not 'freeze' the player right after teleporting.
 	IF_NOSCREENBLINK	= 1<<26,	// Does not blink the screen overlay when expiring.
+	IF_ISHEALTH			= 1<<27,	// for the DM flag so that it can recognize items that are not obviously health givers.
+	IF_ISARMOR			= 1<<28,	// for the DM flag so that it can recognize items that are not obviously armor givers.
 };
 
+typedef TFlags<ItemFlag> InvFlags;
+//typedef TFlags<ItemFlag2> ItemFlags2;
+DEFINE_TFLAGS_OPERATORS(InvFlags)
+//DEFINE_TFLAGS_OPERATORS(ItemFlags2)
 
 class AInventory : public AActor
 {
@@ -89,7 +95,7 @@ public:
 	PClassActor *SpawnPointClass;	// For respawning like Heretic's mace
 	FTextureID AltHUDIcon;
 
-	DWORD ItemFlags;
+	InvFlags ItemFlags;
 	PClassActor *PickupFlash;	// actor to spawn as pickup flash
 
 	FSoundIDNoInit PickupSound;

src/p_enemy.cpp

@@ -3217,13 +3217,13 @@ DEFINE_ACTION_FUNCTION(AActor, A_ActiveSound)
 //---------------------------------------------------------------------------
 void ModifyDropAmount(AInventory *inv, int dropamount)
 {
-	int flagmask = IF_IGNORESKILL;
+	auto flagmask = IF_IGNORESKILL;
 	double dropammofactor = G_SkillProperty(SKILLP_DropAmmoFactor);
 	// Default drop amount is half of regular amount * regular ammo multiplication
 	if (dropammofactor == -1) 
 	{
 		dropammofactor = 0.5;
-		flagmask = 0;
+		flagmask = ItemFlag(0);
 	}
 
 	if (dropamount > 0)

src/p_mobj.cpp

@@ -5821,15 +5821,13 @@ AActor *P_SpawnMapThing (FMapThing *mthing, int position)
 	// [RH] Other things that shouldn't be spawned depending on dmflags
 	if (deathmatch || alwaysapplydmflags)
 	{
-		// Fixme: This needs to be done differently, it's quite broken.
+		if (i->IsDescendantOf(RUNTIME_CLASS(AInventory)))
+		{
+			auto it = static_cast<AInventory*>(GetDefaultByType(i));
+
 			if (dmflags & DF_NO_HEALTH)
 			{
-			if (i->IsDescendantOf (PClass::FindActor(NAME_Health)))
+				if (it->ItemFlags & IF_ISHEALTH) return nullptr;
-				return NULL;
-			if (i->TypeName == NAME_Berserk)
-				return NULL;
-			if (i->TypeName == NAME_Megasphere)
-				return NULL;
 			}
 			if (dmflags & DF_NO_ITEMS)
 			{
@@ -5838,10 +5836,8 @@ AActor *P_SpawnMapThing (FMapThing *mthing, int position)
 			}
 			if (dmflags & DF_NO_ARMOR)
 			{
-			if (i->IsDescendantOf (PClass::FindActor(NAME_Armor)))
+				if (it->ItemFlags & IF_ISARMOR) return nullptr;
-				return NULL;
+			}
-			if (i->TypeName == NAME_Megasphere)
-				return NULL;
 		}
 	}
 

src/scripting/thingdef_data.cpp

@@ -430,6 +430,8 @@ static FFlagDef InventoryFlagDefs[] =
 	DEFINE_FLAG(IF, TRANSFER, AInventory, ItemFlags),
 	DEFINE_FLAG(IF, NOTELEPORTFREEZE, AInventory, ItemFlags),
 	DEFINE_FLAG(IF, NOSCREENBLINK, AInventory, ItemFlags),
+	DEFINE_FLAG(IF, ISARMOR, AInventory, ItemFlags),
+	DEFINE_FLAG(IF, ISHEALTH, AInventory, ItemFlags),
 
 	DEFINE_DUMMY_FLAG(FORCERESPAWNINSURVIVAL, false),
 

wadsrc/static/zscript/doom/doomartifacts.txt

@@ -72,6 +72,8 @@ class Megasphere : CustomInventory
 	{
 		+COUNTITEM
 		+INVENTORY.ALWAYSPICKUP
+		+INVENTORY.ISHEALTH
+		+INVENTORY.ISARMOR
 		Inventory.PickupMessage "$GOTMSPHERE";
 		Inventory.PickupSound "misc/p_pkup";
 	}
@@ -183,6 +185,7 @@ class Berserk : CustomInventory
 	{
 		+COUNTITEM
 		+INVENTORY.ALWAYSPICKUP
+		+INVENTORY.ISHEALTH
 		Inventory.PickupMessage "$GOTBERSERK";
 		Inventory.PickupSound "misc/p_pkup";
 	}

wadsrc/static/zscript/inventory/armor.txt

@@ -38,6 +38,7 @@ class Armor : Inventory
 	Default
 	{
 		Inventory.PickupSound "misc/armor_pkup";
+		+INVENTORY.ISARMOR
 	}
 }
 

wadsrc/static/zscript/inventory/health.txt

@@ -43,6 +43,7 @@ class Health : Inventory
 	
 	Default
 	{
+		+INVENTORY.ISHEALTH
 		Inventory.Amount 1;
 		Inventory.MaxAmount 0;
 		Inventory.PickupSound "misc/health_pkup";
@@ -99,6 +100,7 @@ class HealthPickup : Inventory
 	{
 		Inventory.DefMaxAmount;
 		+INVENTORY.INVBAR
+		+INVENTORY.ISHEALTH
 	}
 	
 	//===========================================================================