diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/defs/tile/RenderTemplate.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/defs/tile/RenderTemplate.kt
index 7fbbffcc..4b3c680d 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/defs/tile/RenderTemplate.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/defs/tile/RenderTemplate.kt
@@ -38,21 +38,47 @@ data class RenderRuleList(
 		val matchHue: Boolean = false,
 		val inverse: Boolean = false,
 	) {
-		private fun doTest(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean {
-			return when (type) {
-				"EqualsSelf" -> equalityTester.test(getter.getTile(thisPos), getter.getTile(thisPos + offsetPos))
-				"Connects" -> getter.getTile(thisPos + offsetPos).material != null
+		private fun interface ActualTester {
+			fun doTest(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean
+		}
+
+		private object EqualsSelf : ActualTester {
+			override fun doTest(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean {
+				return equalityTester.test(getter.getTile(thisPos), getter.getTile(thisPos + offsetPos))
+			}
+		}
+
+		private object Conntects : ActualTester {
+			override fun doTest(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean {
+				return getter.getTile(thisPos + offsetPos).material != null
+			}
+		}
+
+		private object Never : ActualTester {
+			override fun doTest(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean {
+				return false
+			}
+		}
+
+		private val actualTester by lazy {
+			when (type) {
+				"EqualsSelf" -> EqualsSelf
+				"Connects" -> Conntects
 
 				else -> {
 					if (LOGGED.add(type)) {
 						LOGGER.error("Unknown render rule test $type!")
 					}
 
-					false
+					Never
 				}
 			}
 		}
 
+		private fun doTest(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean {
+			return actualTester.doTest(getter, equalityTester, thisPos, offsetPos)
+		}
+
 		fun test(getter: ITileAccess, equalityTester: EqualityRuleTester, thisPos: Vector2i, offsetPos: Vector2i): Boolean {
 			if (inverse) {
 				return !doTest(getter, equalityTester, thisPos, offsetPos)