Add clicked position to PlayerUseUnknownEntityEvent (#9604)

patches/server/0009-MC-Utils.patch

@@ -3480,24 +3480,28 @@ index 0000000000000000000000000000000000000000..cea9c098ade00ee87b8efc8164ab72f5
 +}
 diff --git a/src/main/java/io/papermc/paper/util/MCUtil.java b/src/main/java/io/papermc/paper/util/MCUtil.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..6779a0cc401231c53545dd22827b404be80b2ad0
+index 0000000000000000000000000000000000000000..9572294a50110f2452090da1f32e0a73edc3db05
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/util/MCUtil.java
-@@ -0,0 +1,522 @@
+@@ -0,0 +1,534 @@
 +package io.papermc.paper.util;
 +
 +import com.google.common.util.concurrent.ThreadFactoryBuilder;
++import io.papermc.paper.math.BlockPosition;
++import io.papermc.paper.math.FinePosition;
 +import io.papermc.paper.math.Position;
 +import it.unimi.dsi.fastutil.objects.ObjectRBTreeSet;
 +import java.lang.ref.Cleaner;
 +import net.minecraft.core.BlockPos;
 +import net.minecraft.core.Direction;
++import net.minecraft.core.Vec3i;
 +import net.minecraft.server.MinecraftServer;
 +import net.minecraft.server.level.ServerLevel;
 +import net.minecraft.world.entity.Entity;
 +import net.minecraft.world.level.ChunkPos;
 +import net.minecraft.world.level.ClipContext;
 +import net.minecraft.world.level.Level;
++import net.minecraft.world.phys.Vec3;
 +import org.apache.commons.lang.exception.ExceptionUtils;
 +import org.bukkit.Location;
 +import org.bukkit.block.BlockFace;
@@ -3960,6 +3964,14 @@ index 0000000000000000000000000000000000000000..6779a0cc401231c53545dd22827b404b
 +        return new BlockPos(vec.getBlockX(), vec.getBlockY(), vec.getBlockZ());
 +    }
 +
++    public static FinePosition toPosition(Vec3 vector) {
++        return Position.fine(vector.x, vector.y, vector.z);
++    }
++
++    public static BlockPosition toPosition(Vec3i vector) {
++        return Position.block(vector.getX(), vector.getY(), vector.getZ());
++    }
++
 +    public static boolean isEdgeOfChunk(BlockPos pos) {
 +        final int modX = pos.getX() & 15;
 +        final int modZ = pos.getZ() & 15;