ADD_SOURCE_FILES(WEAPONS_SRC_FILES BasicProjectile.cc BillboardProjectile.cc ParticleProjectile.cc Projectile.cc LightningGunProjectile.cc SplitGunProjectile.cc IceGunProjectile.cc Rocket.cc RocketOld.cc SimpleRocket.cc GravityBomb.cc GravityBombField.cc MineProjectile.cc )