minecraft-src/net/minecraft/network/protocol/status/ServerStatus.java
2025-07-04 01:41:11 +03:00

81 lines
3.6 KiB
Java

package net.minecraft.network.protocol.status;
import com.mojang.authlib.GameProfile;
import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.List;
import java.util.Optional;
import net.minecraft.SharedConstants;
import net.minecraft.WorldVersion;
import net.minecraft.core.UUIDUtil;
import net.minecraft.network.chat.CommonComponents;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.ComponentSerialization;
public record ServerStatus(
Component description,
Optional<ServerStatus.Players> players,
Optional<ServerStatus.Version> version,
Optional<ServerStatus.Favicon> favicon,
boolean enforcesSecureChat
) {
public static final Codec<ServerStatus> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
ComponentSerialization.CODEC.lenientOptionalFieldOf("description", CommonComponents.EMPTY).forGetter(ServerStatus::description),
ServerStatus.Players.CODEC.lenientOptionalFieldOf("players").forGetter(ServerStatus::players),
ServerStatus.Version.CODEC.lenientOptionalFieldOf("version").forGetter(ServerStatus::version),
ServerStatus.Favicon.CODEC.lenientOptionalFieldOf("favicon").forGetter(ServerStatus::favicon),
Codec.BOOL.lenientOptionalFieldOf("enforcesSecureChat", false).forGetter(ServerStatus::enforcesSecureChat)
)
.apply(instance, ServerStatus::new)
);
public record Favicon(byte[] iconBytes) {
private static final String PREFIX = "data:image/png;base64,";
public static final Codec<ServerStatus.Favicon> CODEC = Codec.STRING.comapFlatMap(string -> {
if (!string.startsWith("data:image/png;base64,")) {
return DataResult.error(() -> "Unknown format");
} else {
try {
String string2 = string.substring("data:image/png;base64,".length()).replaceAll("\n", "");
byte[] bs = Base64.getDecoder().decode(string2.getBytes(StandardCharsets.UTF_8));
return DataResult.success(new ServerStatus.Favicon(bs));
} catch (IllegalArgumentException var3) {
return DataResult.error(() -> "Malformed base64 server icon");
}
}
}, favicon -> "data:image/png;base64," + new String(Base64.getEncoder().encode(favicon.iconBytes), StandardCharsets.UTF_8));
}
public record Players(int max, int online, List<GameProfile> sample) {
private static final Codec<GameProfile> PROFILE_CODEC = RecordCodecBuilder.create(
instance -> instance.group(UUIDUtil.STRING_CODEC.fieldOf("id").forGetter(GameProfile::getId), Codec.STRING.fieldOf("name").forGetter(GameProfile::getName))
.apply(instance, GameProfile::new)
);
public static final Codec<ServerStatus.Players> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
Codec.INT.fieldOf("max").forGetter(ServerStatus.Players::max),
Codec.INT.fieldOf("online").forGetter(ServerStatus.Players::online),
PROFILE_CODEC.listOf().lenientOptionalFieldOf("sample", List.of()).forGetter(ServerStatus.Players::sample)
)
.apply(instance, ServerStatus.Players::new)
);
}
public record Version(String name, int protocol) {
public static final Codec<ServerStatus.Version> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
Codec.STRING.fieldOf("name").forGetter(ServerStatus.Version::name), Codec.INT.fieldOf("protocol").forGetter(ServerStatus.Version::protocol)
)
.apply(instance, ServerStatus.Version::new)
);
public static ServerStatus.Version current() {
WorldVersion worldVersion = SharedConstants.getCurrentVersion();
return new ServerStatus.Version(worldVersion.getName(), worldVersion.getProtocolVersion());
}
}
}