正确缓存getAllWeapons

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Ah6Entity.java

@@ -90,7 +90,7 @@ public class Ah6Entity extends ContainerMobileVehicleEntity implements GeoEntity
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new ProjectileWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/AnnihilatorEntity.java

@@ -87,7 +87,7 @@ public class AnnihilatorEntity extends EnergyVehicleEntity implements GeoEntity,
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new LaserWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java

@@ -77,7 +77,7 @@ public class Bmp2Entity extends ContainerMobileVehicleEntity implements GeoEntit
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new SmallCannonShellWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Lav150Entity.java

@@ -71,7 +71,7 @@ public class Lav150Entity extends ContainerMobileVehicleEntity implements GeoEnt
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new SmallCannonShellWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Mk42Entity.java

@@ -79,7 +79,7 @@ public class Mk42Entity extends VehicleEntity implements GeoEntity, CannonEntity
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new CannonShellWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Mle1934Entity.java

@@ -72,7 +72,7 @@ public class Mle1934Entity extends VehicleEntity implements GeoEntity, CannonEnt
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new CannonShellWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/SpeedboatEntity.java

@@ -66,7 +66,7 @@ public class SpeedboatEntity extends ContainerMobileVehicleEntity implements Geo
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         new ProjectileWeapon()

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java

@@ -86,7 +86,7 @@ public class Yx100Entity extends ContainerMobileVehicleEntity implements GeoEnti
     }
 
     @Override
-    public VehicleWeapon[][] getAllWeapons() {
+    public VehicleWeapon[][] initWeapons() {
         return new VehicleWeapon[][]{
                 new VehicleWeapon[]{
                         // AP

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/VehicleEntity.java

@@ -252,12 +252,8 @@ public abstract class VehicleEntity extends Entity {
     }
 
     private int[] initSelectedWeaponArray(WeaponVehicleEntity weaponVehicle) {
-        this.availableWeapons = new VehicleWeapon[this.getMaxPassengers()][];
-
-        var weapons = weaponVehicle.getAllWeapons();
-        for (int i = 0; i < weapons.length && i < this.getMaxPassengers(); i++) {
-            this.availableWeapons[i] = weapons[i];
-        }
+        // 初始化武器数组
+        weaponVehicle.getAllWeapons();
 
         var selected = new int[this.getMaxPassengers()];
         for (int i = 0; i < this.getMaxPassengers(); i++) {
@@ -277,6 +273,7 @@ public abstract class VehicleEntity extends Entity {
             var selected = compound.getIntArray("SelectedWeapon");
 
             if (selected.length != this.getMaxPassengers()) {
+                // 数量不符时（可能是更新或遇到损坏数据），重新初始化已选择武器
                 this.entityData.set(SELECTED_WEAPON, IntList.of(initSelectedWeaponArray(weaponVehicle)));
             } else {
                 this.entityData.set(SELECTED_WEAPON, IntList.of(selected));

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/WeaponVehicleEntity.java

@@ -54,7 +54,25 @@ public interface WeaponVehicleEntity extends ArmedVehicleEntity {
     /**
      * 获取所有可用武器列表
      */
-    VehicleWeapon[][] getAllWeapons();
+    default VehicleWeapon[][] getAllWeapons() {
+        if (!(this instanceof VehicleEntity vehicle)) return new VehicleWeapon[][]{};
+
+        if (vehicle.availableWeapons == null) {
+            vehicle.availableWeapons = new VehicleWeapon[vehicle.getMaxPassengers()][];
+
+            var weapons = this.initWeapons();
+            for (int i = 0; i < weapons.length && i < vehicle.getMaxPassengers(); i++) {
+                vehicle.availableWeapons[i] = weapons[i];
+            }
+        }
+
+        return vehicle.availableWeapons;
+    }
+
+    /**
+     * 初始化所有可用武器列表
+     */
+    VehicleWeapon[][] initWeapons();
 
     /**
      * 获取该槽位可用的武器列表