EntityTag.fake_move

DenizenScript · Jun 1, 2022 · 54f3a1e · 54f3a1e
1 parent f8f6dd0
commit 54f3a1e
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diff --git a/plugin/src/main/java/com/denizenscript/denizen/nms/interfaces/EntityHelper.java b/plugin/src/main/java/com/denizenscript/denizen/nms/interfaces/EntityHelper.java
@@ -292,6 +292,10 @@ else if (337.5 <= yaw && yaw < 360.0) {
 
     public abstract void move(Entity entity, Vector vector);
 
+    public void fakeMove(Entity entity, Vector vector) {
+        throw new UnsupportedOperationException();
+    }
+
     public abstract void teleport(Entity entity, Location loc);
 
     public abstract BoundingBox getBoundingBox(Entity entity);

diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/EntityTag.java b/plugin/src/main/java/com/denizenscript/denizen/objects/EntityTag.java
@@ -3462,6 +3462,18 @@ public void adjust(Mechanism mechanism) {
             NMSHandler.entityHelper.move(getBukkitEntity(), mechanism.valueAsType(LocationTag.class).toVector());
         }
 
+        // <--[mechanism]
+        // @object EntityTag
+        // @name fake_move
+        // @input LocationTag
+        // @description
+        // Causes an entity to broadcast a fake movement packet in the direction of the velocity vector specified.
+        // The vector value must be in the range [-8,8] on each of X, Y, and Z.
+        // -->
+        if (mechanism.matches("fake_move") && mechanism.requireObject(LocationTag.class)) {
+            NMSHandler.entityHelper.fakeMove(getBukkitEntity(), mechanism.valueAsType(LocationTag.class).toVector());
+        }
+
         // <--[mechanism]
         // @object EntityTag
         // @name interact_with

diff --git a/v1_18/src/main/java/com/denizenscript/denizen/nms/v1_18/helpers/EntityHelperImpl.java b/v1_18/src/main/java/com/denizenscript/denizen/nms/v1_18/helpers/EntityHelperImpl.java
@@ -2,6 +2,7 @@
 
 import com.denizenscript.denizen.Denizen;
 import com.denizenscript.denizen.nms.NMSHandler;
+import com.denizenscript.denizen.nms.interfaces.PacketHelper;
 import com.denizenscript.denizen.nms.v1_18.ReflectionMappingsInfo;
 import com.denizenscript.denizen.objects.EntityTag;
 import com.denizenscript.denizencore.utilities.ReflectionHelper;
@@ -12,6 +13,7 @@
 import com.denizenscript.denizen.utilities.Utilities;
 import com.denizenscript.denizen.utilities.debugging.Debug;
 import net.minecraft.core.BlockPos;
+import net.minecraft.network.protocol.game.ClientboundMoveEntityPacket;
 import net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket;
 import net.minecraft.network.syncher.EntityDataAccessor;
 import net.minecraft.resources.ResourceLocation;
@@ -612,6 +614,17 @@ public void move(Entity entity, Vector vector) {
         ((CraftEntity) entity).getHandle().move(MoverType.SELF, new Vec3(vector.getX(), vector.getY(), vector.getZ()));
     }
 
+    @Override
+    public void fakeMove(Entity entity, Vector vector) {
+        long x = ClientboundMoveEntityPacket.entityToPacket(vector.getX());
+        long y = ClientboundMoveEntityPacket.entityToPacket(vector.getY());
+        long z = ClientboundMoveEntityPacket.entityToPacket(vector.getZ());
+        ClientboundMoveEntityPacket packet = new ClientboundMoveEntityPacket.Pos(entity.getEntityId(), (short) x, (short) y, (short) z, entity.isOnGround());
+        for (Player player : getPlayersThatSee(entity)) {
+            PacketHelperImpl.send(player, packet);
+        }
+    }
+
     @Override
     public void teleport(Entity entity, Location loc) {
         net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();