From 3b35a390849dd9eacbea11d94f293ba5b64b4bac Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.dev>
Date: Wed, 31 Jul 2019 09:34:30 +0100
Subject: [PATCH] Make ClassForNameTransformer compatible with SimpleRemapper

SimpleRemapper returns null if a class should not be renamed.
---
 .../dev/openrs2/deob/transform/ClassForNameTransformer.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/deob/src/main/java/dev/openrs2/deob/transform/ClassForNameTransformer.java b/deob/src/main/java/dev/openrs2/deob/transform/ClassForNameTransformer.java
index 01ab20d6..9388bdb4 100644
--- a/deob/src/main/java/dev/openrs2/deob/transform/ClassForNameTransformer.java
+++ b/deob/src/main/java/dev/openrs2/deob/transform/ClassForNameTransformer.java
@@ -36,7 +36,10 @@ public final class ClassForNameTransformer extends Transformer {
 	public void transformCode(ClassNode clazz, MethodNode method) {
 		INVOKE_MATCHER.match(method).filter(ClassForNameTransformer::isClassForName).forEach(match -> {
 			var ldc = (LdcInsnNode) match.get(0);
-			ldc.cst = remapper.map((String) ldc.cst);
+			var name = remapper.map((String) ldc.cst);
+			if (name != null) {
+				ldc.cst = name;
+			}
 		});
 	}
 }