添加真实后坐力（

src/main/java/com/atsuishio/superbwarfare/data/gun/DefaultGunData.java

@@ -20,6 +20,8 @@ public class DefaultGunData implements IDBasedData {
     public double recoilX;
     @SerializedName("RecoilY")
     public double recoilY;
+    @SerializedName("Recoil")
+    public double recoil;
 
     @SerializedName("DefaultZoom")
     public double defaultZoom = 1.25;

src/main/java/com/atsuishio/superbwarfare/data/gun/GunData.java

@@ -301,6 +301,9 @@ public class GunData {
     public double recoilY() {
         return defaultGunData().recoilY;
     }
+    public double recoil() {
+        return defaultGunData().recoil;
+    }
 
     public double weight() {
         return defaultGunData().weight + customWeight();

src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java

@@ -728,6 +728,11 @@ public class ClientEventHandler {
         PacketDistributor.sendToServer(new ShootMessage(gunSpread, zoom, entity != null ? entity.getUUID() : UUID.randomUUID()));
         fireRecoilTime = 10;
 
+        // 真实后座（
+        if (data.recoil() != 0) {
+            player.setDeltaMovement(player.getDeltaMovement().add(player.getViewVector(1).scale(-data.recoil())));
+        }
+
         var gunRecoilY = data.recoilY() * 10;
 
         recoilY = (float) (2 * Math.random() - 1) * gunRecoilY;

src/main/resources/data/superbwarfare/guns/m_2_hb.json

@@ -3,6 +3,7 @@
   "Spread": 5,
   "RecoilX": 0.015,
   "RecoilY": 0.02,
+  "Recoil": 0.15,
   "Damage": 40,
   "Headshot": 2.0,
   "Velocity": 43,