抄飞车奇匠，但是没成功（恼

src/main/java/com/atsuishio/superbwarfare/ModClient.java

@@ -0,0 +1,19 @@
+package com.atsuishio.superbwarfare;
+
+import com.atsuishio.superbwarfare.client.VehicleSoundInstance;
+import com.atsuishio.superbwarfare.entity.vehicle.base.MobileVehicleEntity;
+import net.minecraft.client.Minecraft;
+
+
+public class ModClient {
+    public static void init() {
+        initEntities();
+    }
+
+    public static void initEntities() {
+        MobileVehicleEntity.engineSound = mobileVehicle -> {
+            var client = Minecraft.getInstance();
+            client.getSoundManager().play(new VehicleSoundInstance.EngineSound(client, mobileVehicle));
+        };
+    }
+}

src/main/java/com/atsuishio/superbwarfare/client/ClientVehicleSoundsInstance.java

@@ -1,46 +0,0 @@
-package com.atsuishio.superbwarfare.client;
-
-import com.atsuishio.superbwarfare.entity.vehicle.Tom6Entity;
-import net.minecraft.client.resources.sounds.AbstractTickableSoundInstance;
-import net.minecraft.client.resources.sounds.SoundInstance;
-import net.minecraft.sounds.SoundEvents;
-import net.minecraft.sounds.SoundSource;
-import net.minecraft.util.Mth;
-import net.neoforged.api.distmarker.Dist;
-import net.neoforged.api.distmarker.OnlyIn;
-
-@OnlyIn(Dist.CLIENT)
-public class ClientVehicleSoundsInstance extends AbstractTickableSoundInstance {
-    private final Tom6Entity tom6Entity;
-
-    public ClientVehicleSoundsInstance(Tom6Entity pTom6Entity) {
-        super(SoundEvents.ELYTRA_FLYING, SoundSource.PLAYERS, SoundInstance.createUnseededRandom());
-        this.tom6Entity = pTom6Entity;
-        this.looping = true;
-        this.delay = 0;
-        this.volume = 0.0F;
-        this.x = pTom6Entity.getX();
-        this.y = pTom6Entity.getY();
-        this.z = pTom6Entity.getZ();
-    }
-
-    public void tick() {
-        if (this.tom6Entity.isRemoved()) {
-            this.stop();
-        } else {
-            this.x = tom6Entity.getX();
-            this.y = tom6Entity.getY();
-            this.z = tom6Entity.getZ();
-            float $$0 = (float) tom6Entity.getDeltaMovement().horizontalDistance();
-            if ($$0 >= 0.01F) {
-                this.pitch = Mth.clamp(this.pitch + 0.0025F, 0.0F, 1.0F);
-                this.volume = Mth.lerp(Mth.clamp($$0, 0.0F, 0.5F), 0.0F, 0.7F);
-            } else {
-                this.pitch = 0.0F;
-                this.volume = 0.0F;
-            }
-
-        }
-    }
-}
-

src/main/java/com/atsuishio/superbwarfare/client/VehicleSoundInstance.java

@@ -0,0 +1,89 @@
+package com.atsuishio.superbwarfare.client;
+
+import com.atsuishio.superbwarfare.entity.vehicle.base.MobileVehicleEntity;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.resources.sounds.AbstractTickableSoundInstance;
+import net.minecraft.sounds.SoundEvent;
+import net.minecraft.sounds.SoundSource;
+
+public abstract class VehicleSoundInstance extends AbstractTickableSoundInstance {
+    private final Minecraft client;
+    private final MobileVehicleEntity mobileVehicle;
+
+    private double lastDistance;
+
+    private int fade = 0;
+    private boolean die = false;
+
+    public VehicleSoundInstance(SoundEvent sound, Minecraft client, MobileVehicleEntity mobileVehicle) {
+        super(sound, SoundSource.AMBIENT, mobileVehicle.getCommandSenderWorld().getRandom());
+        this.client = client;
+        this.mobileVehicle = mobileVehicle;
+        this.looping = true;
+        this.delay = 0;
+    }
+
+    protected abstract boolean canPlay(MobileVehicleEntity mobileVehicle);
+
+    protected abstract float getPitch(MobileVehicleEntity mobileVehicle);
+
+    protected abstract float getVolume(MobileVehicleEntity mobileVehicle);
+
+    @Override
+    public void tick() {
+        var player = this.client.player;
+        if (mobileVehicle.isRemoved() || player == null) {
+            this.stop();
+            return;
+        } else if (!this.canPlay(mobileVehicle)) {
+            this.die = true;
+        }
+
+        if (this.die) {
+            if (this.fade > 0) this.fade--;
+            else if (this.fade == 0) {
+                this.stop();
+                return;
+            }
+        } else if (this.fade < 3) {
+            this.fade++;
+        }
+        this.volume = this.getVolume(this.mobileVehicle) * (float)fade / 3;
+
+        this.x = this.mobileVehicle.getX();
+        this.y = this.mobileVehicle.getY();
+        this.z = this.mobileVehicle.getZ();
+
+        this.pitch = this.getPitch(this.mobileVehicle);
+
+        if (player.getVehicle() != this.mobileVehicle) {
+            double distance = this.mobileVehicle.position().subtract(player.position()).length();
+            this.pitch += (float) (0.36 * Math.atan(lastDistance - distance));
+
+            this.lastDistance = distance;
+        } else {
+            this.lastDistance = 0;
+        }
+    }
+
+    public static class EngineSound extends VehicleSoundInstance {
+        public EngineSound(Minecraft client, MobileVehicleEntity mobileVehicle) {
+            super(mobileVehicle.getEngineSound(), client, mobileVehicle);
+        }
+
+        @Override
+        protected boolean canPlay(MobileVehicleEntity mobileVehicle) {
+            return true;
+        }
+
+        @Override
+        protected float getPitch(MobileVehicleEntity mobileVehicle) {
+            return 1;
+        }
+
+        @Override
+        protected float getVolume(MobileVehicleEntity mobileVehicle) {
+            return 1;
+        }
+    }
+}

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Tom6Entity.java

@@ -234,7 +234,7 @@ public class Tom6Entity extends MobileVehicleEntity implements GeoEntity {
 
     @Override
     public SoundEvent getEngineSound() {
-        return ModSounds.WHEEL_CHAIR_ENGINE.get();
+        return SoundEvents.ELYTRA_FLYING;
     }
 
     protected void clampRotation(Entity entity) {

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

@@ -47,9 +47,11 @@ import org.joml.Vector3f;
 import org.joml.Vector4f;
 
 import java.util.List;
+import java.util.function.Consumer;
 import java.util.stream.StreamSupport;
 
 public abstract class MobileVehicleEntity extends EnergyVehicleEntity implements ControllableVehicle {
+    public static Consumer<MobileVehicleEntity> engineSound = e -> {};
     public static final EntityDataAccessor<Integer> CANNON_RECOIL_TIME = SynchedEntityData.defineId(MobileVehicleEntity.class, EntityDataSerializers.INT);
 
     public static final EntityDataAccessor<Float> POWER = SynchedEntityData.defineId(MobileVehicleEntity.class, EntityDataSerializers.FLOAT);
@@ -192,6 +194,8 @@ public abstract class MobileVehicleEntity extends EnergyVehicleEntity implements
 
         super.baseTick();
 
+        engineSound.accept(this);
+
         double direct = (90 - calculateAngle(this.getDeltaMovement(), this.getViewVector(1))) / 90;
         setVelocity(Mth.lerp(0.4, getVelocity(), getDeltaMovement().horizontalDistance() * direct * 20));
 

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

@@ -1,5 +1,6 @@
 package com.atsuishio.superbwarfare.event;
 
+import com.atsuishio.superbwarfare.ModClient;
 import com.atsuishio.superbwarfare.entity.projectile.SwarmDroneEntity;
 import com.atsuishio.superbwarfare.entity.vehicle.*;
 import com.atsuishio.superbwarfare.entity.vehicle.base.MobileVehicleEntity;
@@ -18,6 +19,7 @@ import net.minecraft.world.phys.Vec3;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.bus.api.SubscribeEvent;
 import net.neoforged.fml.common.EventBusSubscriber;
+import net.neoforged.fml.event.lifecycle.FMLClientSetupEvent;
 import net.neoforged.neoforge.client.event.ClientTickEvent;
 import org.joml.Math;
 
@@ -29,6 +31,12 @@ import static com.atsuishio.superbwarfare.entity.vehicle.base.MobileVehicleEntit
 
 @EventBusSubscriber(bus = EventBusSubscriber.Bus.GAME, value = Dist.CLIENT)
 public class ClientSoundHandler {
+
+    @SubscribeEvent
+    public static void initClient(FMLClientSetupEvent setup) {
+        ModClient.init();
+    }
+
     @SubscribeEvent
     public static void handleClientTick(ClientTickEvent.Pre event) {
         LocalPlayer player = Minecraft.getInstance().player;