优化AK中距瞄准镜效果，提高SVD爆头倍率

src/main/java/com/atsuishio/superbwarfare/client/model/item/AK47ItemModel.java

@@ -100,7 +100,7 @@ public class AK47ItemModel extends GeoModel<AK47Item> {
         };
         float posZ = switch (type) {
             case 0, 1 -> 2.8f;
-            case 2 -> 4.2f;
+            case 2 -> 4.74f;
             case 3 -> 3.9f;
             default -> 0f;
         };

src/main/java/com/atsuishio/superbwarfare/client/renderer/item/AK47ItemRenderer.java

@@ -114,8 +114,9 @@ public class AK47ItemRenderer extends GeoItemRenderer<AK47Item> {
             }
 
             if (GunsTool.getAttachmentType(itemStack, GunsTool.AttachmentType.SCOPE) == 2
-                    && (name.equals("Hidden") || name.equals("Barrel") || name.equals("humu") || name.equals("qiangguan") || name.equals("houzhunxing"))) {
-                bone.setHidden(!itemStack.getOrCreateTag().getBoolean("HoloHidden") && ClientEventHandler.zoom);
+                    && (name.equals("Hidden") || name.equals("gun") || name.equals("Lefthand")) && ClientEventHandler.zoom && !itemStack.getOrCreateTag().getBoolean("HoloHidden")) {
+                bone.setHidden(true);
+                renderingArms = false;
             }
 
             if (GunsTool.getAttachmentType(itemStack, GunsTool.AttachmentType.SCOPE) == 3

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

@@ -3,7 +3,7 @@
   "RecoilX": 0.004,
   "RecoilY": 0.009,
   "Damage": 18,
-  "Headshot": 2,
+  "Headshot": 3,
   "Velocity": 42,
   "Magazine": 10,
   "Weight": 5,