public static EntityMinecart undoReplacement(MinecartMember mm) { replacedCarts.remove(mm); if (!mm.dead) { denyConversion = true; mm.died = true; EntityMinecart em = new EntityMinecart(mm.world, mm.lastX, mm.lastY, mm.lastZ, mm.type); replaceMinecarts(mm, em); denyConversion = false; return em; } return null; }