提取部分载具camera方法

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Lav150Entity.java

@@ -44,12 +44,14 @@ import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.Vec2;
 import net.minecraft.world.phys.Vec3;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.api.distmarker.OnlyIn;
 import net.neoforged.neoforge.event.EventHooks;
 import net.neoforged.neoforge.network.PacketDistributor;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.joml.Math;
 import org.joml.Matrix4f;
 import org.joml.Vector4f;
@@ -647,4 +649,36 @@ public class Lav150Entity extends ContainerMobileVehicleEntity implements GeoEnt
     public double getSensitivity(double original, boolean zoom, int seatIndex, boolean isOnGround) {
         return zoom ? 0.23 : 0.3;
     }
+
+    @OnlyIn(Dist.CLIENT)
+    @Override
+    public @Nullable Vec2 getCameraRotation(float partialTicks, Player player, boolean zoom, boolean isFirstPerson) {
+        if (zoom || isFirstPerson) {
+            if (this.getSeatIndex(player) == 0) {
+                return new Vec2((float) -getYRotFromVector(this.getBarrelVec(partialTicks)), (float) -getXRotFromVector(this.getBarrelVec(partialTicks)));
+            } else {
+                return new Vec2(Mth.lerp(partialTicks, player.yHeadRotO, player.getYHeadRot()), Mth.lerp(partialTicks, player.xRotO, player.getXRot()));
+            }
+        }
+        return super.getCameraRotation(partialTicks, player, false, false);
+    }
+
+    @OnlyIn(Dist.CLIENT)
+    @Override
+    public Vec3 getCameraPosition(float partialTicks, Player player, boolean zoom, boolean isFirstPerson) {
+        if (zoom || isFirstPerson) {
+            if (this.getSeatIndex(player) == 0) {
+                if (zoom) {
+                    return new Vec3(this.driverZoomPos(partialTicks).x, Mth.lerp(partialTicks, player.yo + player.getEyeHeight(), player.getEyeY()), this.driverZoomPos(partialTicks).z);
+                } else {
+                    return new Vec3(Mth.lerp(partialTicks, player.xo, player.getX()), Mth.lerp(partialTicks, player.yo + player.getEyeHeight(), player.getEyeY()), Mth.lerp(partialTicks, player.zo, player.getZ()));
+                }
+            } else {
+                return new Vec3(Mth.lerp(partialTicks, player.xo, player.getX()) - 6 * player.getViewVector(partialTicks).x,
+                        Mth.lerp(partialTicks, player.yo + player.getEyeHeight() + 1, player.getEyeY() + 1) - 6 * player.getViewVector(partialTicks).y,
+                        Mth.lerp(partialTicks, player.zo, player.getZ()) - 6 * player.getViewVector(partialTicks).z);
+            }
+        }
+        return super.getCameraPosition(partialTicks, player, false, false);
+    }
 }

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

@@ -33,10 +33,14 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.Vec2;
 import net.minecraft.world.phys.Vec3;
+import net.neoforged.api.distmarker.Dist;
+import net.neoforged.api.distmarker.OnlyIn;
 import net.neoforged.neoforge.event.EventHooks;
 import net.neoforged.neoforge.network.PacketDistributor;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.joml.Math;
 import org.joml.Matrix4f;
 import org.joml.Vector4f;
@@ -576,4 +580,22 @@ public class SpeedboatEntity extends ContainerMobileVehicleEntity implements Geo
     public Vec3 getGunVec(float ticks) {
         return getBarrelVector(ticks);
     }
+
+    @OnlyIn(Dist.CLIENT)
+    @Override
+    public @Nullable Vec2 getCameraRotation(float partialTicks, Player player, boolean zoom, boolean isFirstPerson) {
+        if (this.getSeatIndex(player) == 0 && zoom) {
+            return new Vec2((float) -getYRotFromVector(this.getBarrelVec(partialTicks)), (float) -getXRotFromVector(this.getBarrelVec(partialTicks)));
+        }
+        return super.getCameraRotation(partialTicks, player, zoom, isFirstPerson);
+    }
+
+    @OnlyIn(Dist.CLIENT)
+    @Override
+    public Vec3 getCameraPosition(float partialTicks, Player player, boolean zoom, boolean isFirstPerson) {
+        if (this.getSeatIndex(player) == 0 && zoom) {
+            return new Vec3(this.driverZoomPos(partialTicks).x, this.driverZoomPos(partialTicks).y, this.driverZoomPos(partialTicks).z);
+        }
+        return super.getCameraPosition(partialTicks, player, zoom, isFirstPerson);
+    }
 }

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

@@ -51,6 +51,7 @@ import net.minecraft.world.item.Items;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.gameevent.GameEvent;
 import net.minecraft.world.level.material.Fluid;
+import net.minecraft.world.phys.Vec2;
 import net.minecraft.world.phys.Vec3;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.api.distmarker.OnlyIn;
@@ -1024,4 +1025,15 @@ public abstract class VehicleEntity extends Entity {
     @OnlyIn(Dist.CLIENT)
     public void renderThirdPersonOverlay(GuiGraphics guiGraphics, Font font, Player player, int screenWidth, int screenHeight, float scale) {
     }
+
+    @OnlyIn(Dist.CLIENT)
+    @Nullable
+    public Vec2 getCameraRotation(float partialTicks, Player player, boolean zoom, boolean isFirstPerson) {
+        return null;
+    }
+
+    @OnlyIn(Dist.CLIENT)
+    public Vec3 getCameraPosition(float partialTicks, Player player, boolean zoom, boolean isFirstPerson) {
+        return null;
+    }
 }

src/main/java/com/atsuishio/superbwarfare/mixins/CameraMixin.java

@@ -66,33 +66,21 @@ public abstract class CameraMixin {
             return;
         }
 
-        if ((player.getVehicle() != null && player.getVehicle() instanceof SpeedboatEntity boat && boat.getFirstPassenger() == player) && ClientEventHandler.zoomVehicle) {
+        if (player.getVehicle() instanceof VehicleEntity vehicle) {
-            setRotation((float) -VehicleEntity.getYRotFromVector(boat.getBarrelVec(partialTicks)), (float) -VehicleEntity.getXRotFromVector(boat.getBarrelVec(partialTicks)));
+            var rotation = vehicle.getCameraRotation(partialTicks, player, ClientEventHandler.zoomVehicle, Minecraft.getInstance().options.getCameraType() == CameraType.FIRST_PERSON);
-            if (ClientEventHandler.zoomVehicle) {
+            if (rotation != null) {
-                setPosition(boat.driverZoomPos(partialTicks).x, boat.driverZoomPos(partialTicks).y, boat.driverZoomPos(partialTicks).z);
+                setRotation(rotation.x, rotation.y);
-            } else {
-                setPosition(Mth.lerp(partialTicks, player.xo, player.getX()), Mth.lerp(partialTicks, player.yo + player.getEyeHeight(), player.getEyeY()), Mth.lerp(partialTicks, player.zo, player.getZ()));
             }
-            info.cancel();
+            var position = vehicle.getCameraPosition(partialTicks, player, ClientEventHandler.zoomVehicle, Minecraft.getInstance().options.getCameraType() == CameraType.FIRST_PERSON);
-            return;
+            if (position != null) {
+                setPosition(position.x, position.y, position.z);
             }
 
-        if (player.getVehicle() instanceof Lav150Entity lav150 && (Minecraft.getInstance().options.getCameraType() == CameraType.FIRST_PERSON || ClientEventHandler.zoomVehicle)) {
+            if (rotation != null || position != null) {
-            if (lav150.getFirstPassenger() == player) {
-                setRotation((float) -VehicleEntity.getYRotFromVector(lav150.getBarrelVec(partialTicks)), (float) -VehicleEntity.getXRotFromVector(lav150.getBarrelVec(partialTicks)));
-                if (ClientEventHandler.zoomVehicle) {
-                    setPosition(lav150.driverZoomPos(partialTicks).x, Mth.lerp(partialTicks, player.yo + player.getEyeHeight(), player.getEyeY()), lav150.driverZoomPos(partialTicks).z);
-                } else {
-                    setPosition(Mth.lerp(partialTicks, player.xo, player.getX()), Mth.lerp(partialTicks, player.yo + player.getEyeHeight(), player.getEyeY()), Mth.lerp(partialTicks, player.zo, player.getZ()));
-                }
                 info.cancel();
-            } else {
-                setRotation(Mth.lerp(partialTicks, player.yHeadRotO, player.getYHeadRot()), Mth.lerp(partialTicks, player.xRotO, player.getXRot()));
-                setPosition(Mth.lerp(partialTicks, player.xo, player.getX()) - 6 * player.getViewVector(partialTicks).x, Mth.lerp(partialTicks, player.yo + player.getEyeHeight() + 1, player.getEyeY() + 1) - 6 * player.getViewVector(partialTicks).y, Mth.lerp(partialTicks, player.zo, player.getZ()) - 6 * player.getViewVector(partialTicks).z);
-                info.cancel();
-            }
                 return;
             }
+        }
 
         if (player.getVehicle() instanceof Bmp2Entity bmp2 && (Minecraft.getInstance().options.getCameraType() == CameraType.FIRST_PERSON || ClientEventHandler.zoomVehicle)) {
             if (bmp2.getFirstPassenger() == player) {