refactor: Clean up code for weapon-linked components

The new implementation iterates over weapons lazily, and combines the
code for both bay and non-bay weapons.

Author: Saklad5

megamek/src/megamek/common/actions/WeaponAttackAction.java

@@ -456,24 +456,19 @@ private static ToHitData toHitCalc(Game game, int attackerId, Targetable target,
                 && (munition.contains(AmmoType.Munitions.M_FOLLOW_THE_LEADER)
                 && !ComputeECM.isAffectedByECM(ae, ae.getPosition(), target.getPosition()));
 
-        Mounted mLinker = weapon.getLinkedBy();
+        Mounted mLinker;
 
-        boolean bApollo = ((mLinker != null) && (mLinker.getType() instanceof MiscType) && !mLinker.isDestroyed()
-                && !mLinker.isMissing() && !mLinker.isBreached() && mLinker.getType().hasFlag(MiscType.F_APOLLO))
-                && (atype != null) && (atype.getAmmoType() == AmmoType.T_MRM);
+        boolean bApollo;
 
-        boolean bArtemisV = ((mLinker != null) && (mLinker.getType() instanceof MiscType) && !mLinker.isDestroyed()
-                && !mLinker.isMissing() && !mLinker.isBreached() && mLinker.getType().hasFlag(MiscType.F_ARTEMIS_V)
-                && !isECMAffected && !bMekTankStealthActive && (atype != null)
-                && (munition.contains(AmmoType.Munitions.M_ARTEMIS_V_CAPABLE)));
+        boolean bArtemisV;
 
         if (ae.usesWeaponBays()) {
-            for (WeaponMounted bayW : weapon.getBayWeapons()) {
+            (ae.usesWeaponBays() ? weapon.streamBayWeapons() : Stream.of(weapon)).forEach (bayW ->
                 Mounted<?> bayWAmmo = bayW.getLinked();
 
                 if (bayWAmmo == null) {
                     //At present, all weapons below using mLinker use ammo, so this won't be a problem
-                    continue;
+                    return;
                 }
                 AmmoType bAmmo = (AmmoType) bayWAmmo.getType();
 
@@ -496,7 +491,7 @@ private static ToHitData toHitCalc(Game game, int attackerId, Targetable target,
                         && !mLinker.isMissing() && !mLinker.isBreached() && mLinker.getType().hasFlag(MiscType.F_ARTEMIS_V)
                         && !isECMAffected && !bMekTankStealthActive && (atype != null)
                         && (bAmmo != null) && (bAmmo.getMunitionType().contains(AmmoType.Munitions.M_ARTEMIS_V_CAPABLE)));
-            }
+            )
         }
 
         boolean inSameBuilding = Compute.isInSameBuilding(game, ae, te);