TNT barrels are no longer enemies, but still aimable for Fang

src/info.c

@@ -11742,7 +11742,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		100,            // mass
 		0,              // damage
 		sfx_None,       // activesound
-		MF_SOLID|MF_SHOOTABLE|MF_ENEMY|MF_PUSHABLE, // flags
+		MF_SOLID|MF_SHOOTABLE|MF_PUSHABLE, // flags
 		S_NULL          // raisestate
 	},
 

src/p_mobj.c

@@ -9321,6 +9321,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 			}
 		case MT_TNTBARREL:
 			mobj->momx = 1; //stack hack
+			mobj->flags2 |= MF2_INVERTAIMABLE;
 			break;
 		case MT_MINECARTEND:
 			mobj->tracer = P_SpawnMobjFromMobj(mobj, 0, 0, 0, MT_MINECARTENDSOLID);