From a61bdb248a74fa46aa9f53fd1a6ccafd51018d27 Mon Sep 17 00:00:00 2001
From: Arbousier1 <elderli@foxmail.com>
Date: Thu, 16 Jul 2026 13:53:47 +0800
Subject: [PATCH] perf(render): specialize singleton display spawns

---
 .../top/ellan/mahjong/render/display/DisplayEntities.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/top/ellan/mahjong/render/display/DisplayEntities.java b/src/main/java/top/ellan/mahjong/render/display/DisplayEntities.java
index a9fce053..c40c9e65 100644
--- a/src/main/java/top/ellan/mahjong/render/display/DisplayEntities.java
+++ b/src/main/java/top/ellan/mahjong/render/display/DisplayEntities.java
@@ -126,6 +126,10 @@ public static List<Entity> spawnAll(DisplayEntityRuntime runtime, List<EntitySpe
             return List.of();
         }
         DisplayEntityRuntime scopedRuntime = visibilitySnapshotRuntime(runtime);
+        if (specs.size() == 1) {
+            Entity entity = specs.get(0).spawn(scopedRuntime);
+            return entity == null ? List.of() : List.of(entity);
+        }
         List<Entity> spawned = new java.util.ArrayList<>(specs.size());
         for (EntitySpec spec : specs) {
             Entity entity = spec.spawn(scopedRuntime);