Fixed Pre(Un)Morph being called out of order.

- This had broken several mods that relied on the inventory being in place before the switch, which was the intended way to begin with.

src/playsim/p_mobj.cpp

@@ -5345,6 +5345,42 @@ int MorphPointerSubstitution(AActor* from, AActor* to)
 		return false;
 	}
 
+	// [MC] Had to move this here since ObtainInventory was also moved as well. Should be called
+	// before any transference of items since that's what was intended when introduced.
+	if (!from->alternative) // Morphing into
+	{
+		{
+			IFVIRTUALPTR(from, AActor, PreMorph)
+			{
+				VMValue params[] = { from, to, false };
+				VMCall(func, params, 3, nullptr, 0);
+			}
+		}
+		{
+			IFVIRTUALPTR(to, AActor, PreMorph)
+			{
+				VMValue params[] = { to, from, true };
+				VMCall(func, params, 3, nullptr, 0);
+			}
+		}
+	}
+	else // Unmorphing back
+	{
+		{
+			IFVIRTUALPTR(from, AActor, PreUnmorph)
+			{
+				VMValue params[] = { from, to, false };
+				VMCall(func, params, 3, nullptr, 0);
+			}
+		}
+		{
+			IFVIRTUALPTR(to, AActor, PreUnmorph)
+			{
+				VMValue params[] = { to, from, true };
+				VMCall(func, params, 3, nullptr, 0);
+			}
+		}
+	}
 	// Since the check is good, move the inventory items over. This should always be done when
 	// morphing to emulate Heretic/Hexen's behavior since those stored the inventory in their
 	// player structs.