1 files changed, 42 insertions, 0 deletions
diff --git a/paper-server/patches/unapplied/net/minecraft/network/chat/ComponentUtils.java.patch b/paper-server/patches/unapplied/net/minecraft/network/chat/ComponentUtils.java.patch
new file mode 100644
index 0000000000..c7b1b54e5a
--- /dev/null
+++ b/paper-server/patches/unapplied/net/minecraft/network/chat/ComponentUtils.java.patch
@@ -0,0 +1,42 @@
+--- a/net/minecraft/network/chat/ComponentUtils.java
++++ b/net/minecraft/network/chat/ComponentUtils.java
+@@ -33,14 +33,39 @@
+         }
+     }
+ 
++    @io.papermc.paper.annotation.DoNotUse // Paper - validate separators - right now this method is only used for separator evaluation. Error on build if this changes to re-evaluate.
+     public static Optional<MutableComponent> updateForEntity(@Nullable CommandSourceStack source, Optional<Component> text, @Nullable Entity sender, int depth) throws CommandSyntaxException {
+         return text.isPresent() ? Optional.of(updateForEntity(source, text.get(), sender, depth)) : Optional.empty();
+     }
+ 
++    // Paper start - validate separator
++    public static Optional<MutableComponent> updateSeparatorForEntity(@Nullable CommandSourceStack source, Optional<Component> text, @Nullable Entity sender, int depth) throws CommandSyntaxException {
++        if (text.isEmpty() || !isValidSelector(text.get())) return Optional.empty();
++        return Optional.of(updateForEntity(source, text.get(), sender, depth));
++    }
++    public static boolean isValidSelector(final Component component) {
++        final ComponentContents contents = component.getContents();
++
++        if (contents instanceof net.minecraft.network.chat.contents.NbtContents || contents instanceof net.minecraft.network.chat.contents.SelectorContents) return false;
++        if (contents instanceof final net.minecraft.network.chat.contents.TranslatableContents translatableContents) {
++            for (final Object arg : translatableContents.getArgs()) {
++                if (arg instanceof final Component argumentAsComponent && !isValidSelector(argumentAsComponent)) return false;
++            }
++        }
++
++        return true;
++    }
++    // Paper end - validate separator
++
+     public static MutableComponent updateForEntity(@Nullable CommandSourceStack source, Component text, @Nullable Entity sender, int depth) throws CommandSyntaxException {
+         if (depth > 100) {
+             return text.copy();
+         } else {
++            // Paper start - adventure; pass actual vanilla component
++            if (text instanceof io.papermc.paper.adventure.AdventureComponent adventureComponent) {
++                text = adventureComponent.deepConverted();
++            }
++            // Paper end - adventure; pass actual vanilla component
+             MutableComponent mutableComponent = text.getContents().resolve(source, sender, depth + 1);
+ 
+             for (Component component : text.getSiblings()) {