fix: stop landings from wrecking vehicle weapons

src/main/java/net/tfminecraft/vehicleframework/weapons/Weapon.java

@@ -92,6 +92,8 @@ public Weapon(String key, ConfigurationSection config) {
 			projectileClusterAmount = config.getInt("projectile-cluster-amount");
 		}
 		damageData = new DamageData((List<String>) config.getList("damage", new ArrayList<String>()));
+		// Landing must not wreck guns; components already get FALL 0 from armour templates.
+		damageData.getModifiers().putIfAbsent("FALL", 0.0);
 		if(config.isConfigurationSection("animations")) {
 			animationHandler = new AnimationHandler(config.getConfigurationSection("animations"));
 		} else {

src/test/java/net/tfminecraft/vehicleframework/weapons/WeaponsCoverageTest.java

@@ -252,6 +252,18 @@ void configurationAndActiveCopiesPreserveAllWeaponFields() throws Exception {
     assertFalse(active.isControlled());
   }
 
+  @Test
+  void fallDamageSparesWeaponsUnlessConfigured() throws Exception {
+    Weapon stored = new Weapon("aa", new YamlConfiguration());
+    ActiveWeapon active = new ActiveWeapon(model, vehicle, stored, null);
+    active.damage("FALL", 40);
+    active.damage("PROJECTILE", 10);
+    assertEquals(10, active.getHealthData().getDamage());
+
+    Weapon fragile = new Weapon("fragile", Rig.yaml("damage: [fall(0.5)]\n"));
+    assertEquals(0.5, fragile.getDamageData().getModifier("FALL"));
+  }
+
   @Test
   void defaultsAndFallbacksSupportEveryProjectileType() throws Exception {
     Weapon stored = new Weapon("default", new YamlConfiguration());