From 4754ac30407149d5d8c86b16fc7e39124a2a2e67 Mon Sep 17 00:00:00 2001
From: yairm210 <yairm210@hotmail.com>
Date: Sun, 7 Sep 2025 22:29:59 +0300
Subject: [PATCH] perf(cpu): Optimized Terrain.matchesSingleFilter

---
 core/src/com/unciv/models/ruleset/tile/Terrain.kt | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/core/src/com/unciv/models/ruleset/tile/Terrain.kt b/core/src/com/unciv/models/ruleset/tile/Terrain.kt
index 2a05f980da..c328ceace7 100644
--- a/core/src/com/unciv/models/ruleset/tile/Terrain.kt
+++ b/core/src/com/unciv/models/ruleset/tile/Terrain.kt
@@ -179,16 +179,17 @@ class Terrain : RulesetStatsObject() {
     @Readonly
     fun matchesSingleFilter(filter: String): Boolean {
         return when (filter) {
-            in Constants.all -> true
-            name -> true
+            "all", "All" -> true
             "Terrain" -> true
             "Open terrain" -> !isRough()
             "Rough terrain" -> isRough()
-            type.name -> true
             "Natural Wonder" -> type == TerrainType.NaturalWonder
             "Terrain Feature" -> type == TerrainType.TerrainFeature
-
-            else -> false
+            else -> when(filter){ // non-constants
+                name -> true
+                type.name -> true
+                else -> false
+            }
         }
     }