Fix Human Grunts dropping weapons again if the game is saved and loaded while the grunt is dying

Same as bc7d6e3c07

dlls/hgrunt.cpp

@@ -849,27 +849,30 @@ void CHGrunt::HandleAnimEvent( MonsterEvent_t *pEvent )
 	{
 		case HGRUNT_AE_DROP_GUN:
 		{
-			Vector vecGunPos;
-			Vector vecGunAngles;
+			if ( GetBodygroup( GUN_GROUP ) != GUN_NONE )
+			{
+				Vector vecGunPos;
+				Vector vecGunAngles;
 
-			GetAttachment( 0, vecGunPos, vecGunAngles );
+				GetAttachment( 0, vecGunPos, vecGunAngles );
 
-			// switch to body group with no gun.
-			SetBodygroup( GUN_GROUP, GUN_NONE );
+				// switch to body group with no gun.
+				SetBodygroup( GUN_GROUP, GUN_NONE );
 
-			// now spawn a gun.
-			if( FBitSet( pev->weapons, HGRUNT_SHOTGUN ) )
-			{
-				 DropItem( "weapon_shotgun", vecGunPos, vecGunAngles );
-			}
-			else
-			{
-				 DropItem( "weapon_9mmAR", vecGunPos, vecGunAngles );
-			}
+				// now spawn a gun.
+				if( FBitSet( pev->weapons, HGRUNT_SHOTGUN ) )
+				{
+					 DropItem( "weapon_shotgun", vecGunPos, vecGunAngles );
+				}
+				else
+				{
+					 DropItem( "weapon_9mmAR", vecGunPos, vecGunAngles );
+				}
 
-			if( FBitSet( pev->weapons, HGRUNT_GRENADELAUNCHER ) )
-			{
-				DropItem( "ammo_ARgrenades", BodyTarget( pev->origin ), vecGunAngles );
+				if( FBitSet( pev->weapons, HGRUNT_GRENADELAUNCHER ) )
+				{
+					DropItem( "ammo_ARgrenades", BodyTarget( pev->origin ), vecGunAngles );
+				}
 			}
 		}
 			break;