添加MK42读取射击诸元的功能

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

@@ -1,6 +1,7 @@
 package com.atsuishio.superbwarfare.entity.vehicle;
 
 import com.atsuishio.superbwarfare.ModUtils;
+import com.atsuishio.superbwarfare.client.gui.RangeHelper;
 import com.atsuishio.superbwarfare.config.server.ExplosionDestroyConfig;
 import com.atsuishio.superbwarfare.config.server.VehicleConfig;
 import com.atsuishio.superbwarfare.entity.projectile.CannonShellEntity;
@@ -11,6 +12,8 @@ import com.atsuishio.superbwarfare.tools.CustomExplosion;
 import com.atsuishio.superbwarfare.tools.EntityFindUtil;
 import com.atsuishio.superbwarfare.tools.ParticleTool;
 import com.atsuishio.superbwarfare.tools.SoundTool;
+import net.minecraft.commands.arguments.EntityAnchorArgument;
+import net.minecraft.core.BlockPos;
 import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.protocol.Packet;
@@ -50,6 +53,8 @@ public class Mk42Entity extends VehicleEntity implements GeoEntity, ICannonEntit
     public static final EntityDataAccessor<Integer> COOL_DOWN = SynchedEntityData.defineId(Mk42Entity.class, EntityDataSerializers.INT);
     private final AnimatableInstanceCache cache = GeckoLibUtil.createInstanceCache(this);
     public static final float MAX_HEALTH = VehicleConfig.MK42_HP.get();
+    public static final EntityDataAccessor<Float> PITCH = SynchedEntityData.defineId(Mk42Entity.class, EntityDataSerializers.FLOAT);
+    public static final EntityDataAccessor<Float> YAW = SynchedEntityData.defineId(Mk42Entity.class, EntityDataSerializers.FLOAT);
 
     public Mk42Entity(PlayMessages.SpawnEntity packet, Level world) {
         this(ModEntities.MK_42.get(), world);
@@ -63,6 +68,8 @@ public class Mk42Entity extends VehicleEntity implements GeoEntity, ICannonEntit
     protected void defineSynchedData() {
         super.defineSynchedData();
         this.entityData.define(COOL_DOWN, 0);
+        this.entityData.define(PITCH, 0f);
+        this.entityData.define(YAW, 0f);
     }
 
     @Override
@@ -275,17 +282,55 @@ public class Mk42Entity extends VehicleEntity implements GeoEntity, ICannonEntit
     @Override
     public void travel() {
         Entity passenger = this.getPassengers().isEmpty() ? null : this.getPassengers().get(0);
+        float diffY = 0;
+        float diffX = 0;
 
-        if (!(passenger instanceof LivingEntity entity)) return;
+        if (passenger instanceof Player player) {
-
+            if (player.getOffhandItem().getItem() == ModItems.FIRING_PARAMETERS.get()) {
-        float diffY = Math.clamp(-90f, 90f, Mth.wrapDegrees(entity.getYHeadRot() - this.getYRot()));
+               if (setTarget(player.getOffhandItem())) {
-
+                   diffY = Math.clamp(-90f, 90f, Mth.wrapDegrees(entityData.get(YAW) - this.getYRot()));
-        float diffX = entity.getXRot() - 1.3f - this.getXRot();
+                   diffX = Mth.wrapDegrees(entityData.get(PITCH) - this.getXRot());
+                   this.setYRot(this.getYRot() + Mth.clamp(0.5f * diffY, -1.75f, 1.75f));
+                   this.setXRot(Mth.clamp(this.getXRot() + Mth.clamp(0.95f * diffX, -5, 5), -85, 15));
+               }
+            } else {
+                diffY = Math.clamp(-90f, 90f, Mth.wrapDegrees(passenger.getYHeadRot() - this.getYRot()));
+                diffX = passenger.getXRot() - 1.3f - this.getXRot();
                 diffX = diffX * 0.15f;
-
                 this.setYRot(this.getYRot() + Mth.clamp(0.5f * diffY, -1.75f, 1.75f));
                 this.setXRot(Mth.clamp(this.getXRot() + Mth.clamp(diffX, -3f, 3f), -85, 16.3f));
             }
+        }
+
+
+    }
+
+    public boolean setTarget(ItemStack stack) {
+        int targetX = stack.getOrCreateTag().getInt("TargetX");
+        int targetY = stack.getOrCreateTag().getInt("TargetY");
+        int targetZ = stack.getOrCreateTag().getInt("TargetZ");
+
+        this.look(EntityAnchorArgument.Anchor.EYES, new Vec3(targetX, targetY, targetZ));
+
+        double[] angles = new double[2];
+        boolean flag = RangeHelper.canReachTarget(15, 0.05, 0.99,
+                new BlockPos((int) this.getX(), (int) this.getEyeY(), (int) this.getZ()),
+                new BlockPos(targetX, targetY, targetZ),
+                angles);
+
+        if (flag) {
+            this.entityData.set(PITCH, -(float) angles[1]);
+        }
+
+        return flag;
+    }
+
+    private void look(EntityAnchorArgument.Anchor pAnchor, Vec3 pTarget) {
+        Vec3 vec3 = pAnchor.apply(this);
+        double d0 = (pTarget.x - vec3.x) * 0.2;
+        double d2 = (pTarget.z - vec3.z) * 0.2;
+        this.entityData.set(YAW, Mth.wrapDegrees((float) (Mth.atan2(d2, d0) * 57.2957763671875) - 90.0F));
+    }
 
     protected void clampRotation(Entity entity) {
         float f = Mth.wrapDegrees(entity.getXRot());