Scissors/patches/server/0053-Don-t-return-null-Components-in-the-Component-codec.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Fri, 28 Jul 2023 19:33:23 -0300
Subject: [PATCH] Don't return null Components in the Component codec

Found by Sk8kman

diff --git a/src/main/java/net/minecraft/util/ExtraCodecs.java b/src/main/java/net/minecraft/util/ExtraCodecs.java
index 066d423dc908080157586555ba01053a2477d570..aa6e5de37ce69c9bc6b8e1e0b5ab0ee918fc27e2 100644
--- a/src/main/java/net/minecraft/util/ExtraCodecs.java
+++ b/src/main/java/net/minecraft/util/ExtraCodecs.java
@@ -62,7 +62,10 @@ public class ExtraCodecs {
     });
     public static final Codec<Component> COMPONENT = JSON.flatXmap((element) -> {
         try {
-            return DataResult.success(Component.Serializer.fromJson(element));
+            // Scissors start
+            final Component component = Component.Serializer.fromJson(element);
+            return DataResult.success(component != null ? component : Component.empty());
+            // Scissors end
         } catch (JsonParseException var2) {
             return DataResult.error(var2::getMessage);
         }
@@ -75,7 +78,10 @@ public class ExtraCodecs {
     });
     public static final Codec<Component> FLAT_COMPONENT = Codec.STRING.flatXmap((json) -> {
         try {
-            return DataResult.success(Component.Serializer.fromJson(json));
+            // Scissors start
+            final Component component = Component.Serializer.fromJson(json);
+            return DataResult.success(component != null ? component : Component.empty());
+            // Scissors end
         } catch (JsonParseException var2) {
             return DataResult.error(var2::getMessage);
         }
@@ -246,7 +252,7 @@ public class ExtraCodecs {
         }, (pair) -> {
             return ImmutableList.of(leftFunction.apply(pair), rightFunction.apply(pair));
         });
-        Codec<I> codec3 = RecordCodecBuilder.<Pair>create((instance) -> {
+        Codec<I> codec3 = RecordCodecBuilder.<Pair<P,P>>create((instance) -> { // Scissors - Decompile error
             return instance.group(codec.fieldOf(leftFieldName).forGetter(Pair::getFirst), codec.fieldOf(rightFieldName).forGetter(Pair::getSecond)).apply(instance, Pair::of);
         }).comapFlatMap((pair) -> {
             return combineFunction.apply((P)pair.getFirst(), (P)pair.getSecond());
@@ -278,7 +284,7 @@ public class ExtraCodecs {
                 Optional<Pair<A, T>> optional = dataResult.resultOrPartial(mutableObject::setValue);
                 return optional.isPresent() ? dataResult : DataResult.error(() -> {
                     return "(" + (String)mutableObject.getValue() + " -> using default)";
-                }, Pair.of(object, object));
+                }, (Pair<A, T>) Pair.of(object, object)); // Scissors - Decompile error
             }
 
             public <T> DataResult<T> coApply(DynamicOps<T> dynamicOps, A objectx, DataResult<T> dataResult) {
@@ -565,7 +571,7 @@ public class ExtraCodecs {
 
     static record LazyInitializedCodec<A>(Supplier<Codec<A>> delegate) implements Codec<A> {
         LazyInitializedCodec {
-            supplier = Suppliers.memoize(supplier::get);
+            delegate = Suppliers.memoize(delegate::get); // Scissors - Decompile error
         }
 
         public <T> DataResult<Pair<A, T>> decode(DynamicOps<T> dynamicOps, T object) {