improve rendering

api/src/main/java/net/momirealms/customnameplates/api/Platform.java

@@ -18,6 +18,7 @@
 package net.momirealms.customnameplates.api;
 
 import net.momirealms.customnameplates.api.feature.bossbar.BossBar;
+import net.momirealms.customnameplates.api.feature.tag.NameTagConfig;
 import net.momirealms.customnameplates.api.network.PacketEvent;
 import net.momirealms.customnameplates.api.placeholder.Placeholder;
 import net.momirealms.customnameplates.api.util.Alignment;
@@ -189,13 +190,7 @@ public interface Platform {
      */
     Consumer<List<Object>> createTranslationModifier(Vector3 translation);
 
-    /**
+    Consumer<List<Object>> createSneakModifier(boolean isSneaking, NameTagConfig config);
-     * Creates a modifier to change the opacity of a text display.
-     *
-     * @param opacity the new opacity
-     * @return a consumer that applies the modifier to a list of packets
-     */
-    Consumer<List<Object>> createOpacityModifier(byte opacity);
 
     /**
      * Updates an existing text display entity with modifiers.

api/src/main/java/net/momirealms/customnameplates/api/feature/tag/AbstractTag.java

@@ -162,13 +162,6 @@ public abstract class AbstractTag implements Tag {
         }
     }
 
-    @Override
-    public void darkTag(CNPlayer viewer, boolean dark) {
-        Consumer<List<Object>> modifiers = CustomNameplates.getInstance().getPlatform().createOpacityModifier(dark ? 64 : opacity());
-        Object packet = CustomNameplates.getInstance().getPlatform().updateTextDisplayPacket(entityID, List.of(modifiers));
-        CustomNameplates.getInstance().getPacketSender().sendPacket(viewer, packet);
-    }
-
     @Override
     public void onPlayerScaleUpdate(double scale) {
         for (CNPlayer viewer : viewerArray) {

api/src/main/java/net/momirealms/customnameplates/api/feature/tag/NameTagConfig.java

@@ -81,6 +81,7 @@ public interface NameTagConfig {
      *
      * @return true if the name tag is see-through, false otherwise
      */
+    @Deprecated
     boolean isSeeThrough();
 
     /**

backend/src/main/java/net/momirealms/customnameplates/backend/feature/tag/NameTag.java

@@ -34,6 +34,7 @@ import net.momirealms.customnameplates.api.util.Vector3;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
+import java.util.function.Consumer;
 
 public class NameTag extends AbstractTag implements RelationalFeature {
 
@@ -74,6 +75,13 @@ public class NameTag extends AbstractTag implements RelationalFeature {
         );
     }
 
+    @Override
+    public void darkTag(CNPlayer viewer, boolean dark) {
+        Consumer<List<Object>> modifiers = CustomNameplates.getInstance().getPlatform().createSneakModifier(dark, this.config);
+        Object packet = CustomNameplates.getInstance().getPlatform().updateTextDisplayPacket(entityID, List.of(modifiers));
+        CustomNameplates.getInstance().getPacketSender().sendPacket(viewer, packet);
+    }
+
     @Override
     public void tick() {
         if (timeLeft > 0)

platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/BukkitPlatform.java

@@ -24,6 +24,7 @@ import net.momirealms.customnameplates.api.ConfigManager;
 import net.momirealms.customnameplates.api.CustomNameplates;
 import net.momirealms.customnameplates.api.Platform;
 import net.momirealms.customnameplates.api.feature.bossbar.BossBar;
+import net.momirealms.customnameplates.api.feature.tag.NameTagConfig;
 import net.momirealms.customnameplates.api.helper.AdventureHelper;
 import net.momirealms.customnameplates.api.helper.VersionHelper;
 import net.momirealms.customnameplates.api.network.PacketEvent;
@@ -638,7 +639,7 @@ public class BukkitPlatform implements Platform {
             EntityData.LineWidth.addEntityDataIfNotDefaultValue(           lineWidth,                    values);
             EntityData.Scale.addEntityDataIfNotDefaultValue(               scale.toVec3(),               values);
             EntityData.Translation.addEntityDataIfNotDefaultValue(         translation.toVec3(),         values);
-            EntityData.TextDisplayMasks.addEntityDataIfNotDefaultValue(EntityData.encodeMask(hasShadow, isSeeThrough, useDefaultBackgroundColor, alignment.getId()), values);
+            EntityData.TextDisplayMasks.addEntityDataIfNotDefaultValue(EntityData.encodeMask(hasShadow, !isCrouching, useDefaultBackgroundColor, alignment.getId()), values);
 
             Object setDataPacket = Reflections.constructor$ClientboundSetEntityDataPacket.newInstance(entityID, values);
 
@@ -678,8 +679,11 @@ public class BukkitPlatform implements Platform {
     }
 
     @Override
-    public Consumer<List<Object>> createOpacityModifier(byte opacity) {
+    public Consumer<List<Object>> createSneakModifier(boolean sneak, NameTagConfig config) {
-        return (values) -> EntityData.TextOpacity.addEntityData(opacity, values);
+        return (values) -> {
+            EntityData.TextOpacity.addEntityData(sneak ? 64 : config.opacity(), values);
+            EntityData.TextDisplayMasks.addEntityData(EntityData.encodeMask(config.hasShadow(), !sneak, config.useDefaultBackgroundColor(), config.alignment().getId()), values);
+        };
     }
 
     @Override