From fa5142290ce21250179d86ccf502c936906af26d Mon Sep 17 00:00:00 2001
From: Hare <kei.hiracchi.0928@gmail.com>
Date: Wed, 8 Apr 2026 01:26:18 +0900
Subject: [PATCH] =?UTF-8?q?glow=E3=82=B5=E3=83=9D=E3=83=BC=E3=83=88?=
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---
 .../ghostdisplays/internal/fake/FakeEntity.kt       |  4 +++-
 .../internal/nms/DisplayPacketFactory.kt            |  3 +++
 .../ghostdisplays/internal/nms/EntityDataFields.kt  | 13 +++++++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/net/hareworks/ghostdisplays/internal/fake/FakeEntity.kt b/src/main/kotlin/net/hareworks/ghostdisplays/internal/fake/FakeEntity.kt
index f3656d3..f6a5e88 100644
--- a/src/main/kotlin/net/hareworks/ghostdisplays/internal/fake/FakeEntity.kt
+++ b/src/main/kotlin/net/hareworks/ghostdisplays/internal/fake/FakeEntity.kt
@@ -7,4 +7,6 @@ open class FakeEntity(
     val entityId: Int,
     val uuid: UUID,
     var location: Location
-)
+) {
+    var isGlowing: Boolean = false
+}
diff --git a/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/DisplayPacketFactory.kt b/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/DisplayPacketFactory.kt
index b5f70bf..10edf55 100644
--- a/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/DisplayPacketFactory.kt
+++ b/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/DisplayPacketFactory.kt
@@ -121,6 +121,9 @@ internal object DisplayPacketFactory {
 
     private fun buildDisplayMetadata(fake: FakeDisplay): MutableList<SynchedEntityData.DataValue<*>> {
         val values = mutableListOf<SynchedEntityData.DataValue<*>>()
+        var sharedFlags: Byte = 0
+        if (fake.isGlowing) sharedFlags = (sharedFlags.toInt() or 0x40).toByte()
+        values.add(SynchedEntityData.DataValue.create(EntityDataFields.SHARED_FLAGS, sharedFlags))
         values.add(SynchedEntityData.DataValue.create(EntityDataFields.TRANSLATION, fake.translation))
         values.add(SynchedEntityData.DataValue.create(EntityDataFields.SCALE, fake.scale))
         values.add(SynchedEntityData.DataValue.create(EntityDataFields.LEFT_ROTATION, fake.leftRotation))
diff --git a/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/EntityDataFields.kt b/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/EntityDataFields.kt
index 40d8657..96db3e5 100644
--- a/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/EntityDataFields.kt
+++ b/src/main/kotlin/net/hareworks/ghostdisplays/internal/nms/EntityDataFields.kt
@@ -13,6 +13,19 @@ import org.joml.Vector3f
 @Suppress("UNCHECKED_CAST")
 internal object EntityDataFields {
 
+    // --- Entity (common) ---
+
+    private val entityLookup = MethodHandles.privateLookupIn(
+        net.minecraft.world.entity.Entity::class.java, MethodHandles.lookup()
+    )
+
+    val SHARED_FLAGS: EntityDataAccessor<Byte> =
+        entityLookup.findStaticGetter(
+            net.minecraft.world.entity.Entity::class.java,
+            "DATA_SHARED_FLAGS_ID",
+            EntityDataAccessor::class.java
+        ).invoke() as EntityDataAccessor<Byte>
+
     // --- Display (common) ---
 
     private val displayLookup = MethodHandles.privateLookupIn(