From cb43fade3e78b1eeee92b03acfc84fcad6a0fb5c Mon Sep 17 00:00:00 2001
From: Atsuishio <842960157@qq.com>
Date: Tue, 8 Jul 2025 22:24:46 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=82=AE=E5=87=BB=E6=8C=87?=
 =?UTF-8?q?=E7=A4=BA=E5=99=A8=E7=BC=A9=E6=94=BE=E5=8A=9F=E8=83=BD?=
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---
 .../superbwarfare/client/ClickHandler.java    |  6 ++++++
 .../event/ClientEventHandler.java             | 19 +++++++++++++++++++
 .../item/ArtilleryIndicator.java              |  1 -
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java b/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java
index d1f84da12..80e452516 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java
@@ -219,6 +219,12 @@ public class ClickHandler {
             PacketDistributor.sendToServer(new AdjustMortarAngleMessage(scroll));
             event.setCanceled(true);
         }
+
+        //TODO 为啥还能滚轮换物品？
+        if (player.isUsingItem() && player.getUseItem().is(ModItems.ARTILLERY_INDICATOR.get())) {
+            artilleryIndicatorCustomZoom = Mth.clamp(artilleryIndicatorCustomZoom + 0.4 * scroll, 0, 9);
+            event.setCanceled(true);
+        }
     }
 
     @SubscribeEvent
diff --git a/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java
index f80363046..eaf31e529 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java
@@ -113,6 +113,9 @@ public class ClientEventHandler {
     public static double[] randomShell = {0, 0, 0};
 
     public static double customZoom = 0;
+
+    public static double artilleryIndicatorZoom = 1;
+    public static double artilleryIndicatorCustomZoom = 0;
     public static MillisTimer clientTimer = new MillisTimer();
     public static MillisTimer clientTimerVehicle = new MillisTimer();
 
@@ -1460,6 +1463,22 @@ public class ClientEventHandler {
             return;
         }
 
+        double factor;
+
+        if (stack.is(ModItems.ARTILLERY_INDICATOR.get())) {
+            if (player.isUsingItem() && player.getUseItem().is(ModItems.ARTILLERY_INDICATOR.get())) {
+                factor = 2 + artilleryIndicatorCustomZoom;
+            } else {
+                factor = 1;
+            }
+        } else {
+            factor = 1;
+        }
+
+        artilleryIndicatorZoom = Mth.lerp(0.6 * times, artilleryIndicatorZoom, factor);
+
+        event.setFOV(event.getFOV() / artilleryIndicatorZoom);
+
         if (stack.getItem() instanceof GunItem) {
             if (!event.usedConfiguredFov()) {
                 return;
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/ArtilleryIndicator.java b/src/main/java/com/atsuishio/superbwarfare/item/ArtilleryIndicator.java
index 20fe64dfc..149c8c288 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/ArtilleryIndicator.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/ArtilleryIndicator.java
@@ -34,7 +34,6 @@ public class ArtilleryIndicator extends Item {
     @Override
     @ParametersAreNonnullByDefault
     public @NotNull InteractionResultHolder<ItemStack> use(Level worldIn, Player playerIn, InteractionHand handIn) {
-        ItemStack stack = playerIn.getItemInHand(handIn);
         playerIn.playSound(SoundEvents.SPYGLASS_USE, 1.0F, 1.0F);
         return ItemUtils.startUsingInstantly(worldIn, playerIn, handIn);
     }