minecraft-src/net/minecraft/world/item/component/WritableBookContent.java
2025-07-04 03:15:13 +03:00

40 lines
1.8 KiB
Java

package net.minecraft.world.item.component;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import io.netty.buffer.ByteBuf;
import java.util.List;
import java.util.stream.Stream;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.server.network.Filterable;
public record WritableBookContent(List<Filterable<String>> pages) implements BookContent<String, WritableBookContent> {
public static final WritableBookContent EMPTY = new WritableBookContent(List.of());
public static final int PAGE_EDIT_LENGTH = 1024;
public static final int MAX_PAGES = 100;
private static final Codec<Filterable<String>> PAGE_CODEC = Filterable.codec(Codec.string(0, 1024));
public static final Codec<List<Filterable<String>>> PAGES_CODEC = PAGE_CODEC.sizeLimitedListOf(100);
public static final Codec<WritableBookContent> CODEC = RecordCodecBuilder.create(
instance -> instance.group(PAGES_CODEC.optionalFieldOf("pages", List.of()).forGetter(WritableBookContent::pages)).apply(instance, WritableBookContent::new)
);
public static final StreamCodec<ByteBuf, WritableBookContent> STREAM_CODEC = Filterable.streamCodec(ByteBufCodecs.stringUtf8(1024))
.apply(ByteBufCodecs.list(100))
.map(WritableBookContent::new, WritableBookContent::pages);
public WritableBookContent(List<Filterable<String>> pages) {
if (pages.size() > 100) {
throw new IllegalArgumentException("Got " + pages.size() + " pages, but maximum is 100");
} else {
this.pages = pages;
}
}
public Stream<String> getPages(boolean filtered) {
return this.pages.stream().map(filterable -> (String)filterable.get(filtered));
}
public WritableBookContent withReplacedPages(List<Filterable<String>> list) {
return new WritableBookContent(list);
}
}