minecraft-src/net/minecraft/nbt/SnbtOperations.java
2025-07-04 03:45:38 +03:00

97 lines
3.7 KiB
Java

package net.minecraft.nbt;
import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import com.mojang.serialization.DynamicOps;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import net.minecraft.core.UUIDUtil;
import net.minecraft.network.chat.Component;
import net.minecraft.util.parsing.packrat.DelayedException;
import net.minecraft.util.parsing.packrat.ParseState;
import net.minecraft.util.parsing.packrat.SuggestionSupplier;
import org.jetbrains.annotations.Nullable;
public class SnbtOperations {
static final DelayedException<CommandSyntaxException> ERROR_EXPECTED_STRING_UUID = DelayedException.create(
new SimpleCommandExceptionType(Component.translatable("snbt.parser.expected_string_uuid"))
);
static final DelayedException<CommandSyntaxException> ERROR_EXPECTED_NUMBER_OR_BOOLEAN = DelayedException.create(
new SimpleCommandExceptionType(Component.translatable("snbt.parser.expected_number_or_boolean"))
);
public static final String BUILTIN_TRUE = "true";
public static final String BUILTIN_FALSE = "false";
public static final Map<SnbtOperations.BuiltinKey, SnbtOperations.BuiltinOperation> BUILTIN_OPERATIONS = Map.of(
new SnbtOperations.BuiltinKey("bool", 1), new SnbtOperations.BuiltinOperation() {
@Override
public <T> T run(DynamicOps<T> ops, List<T> args, ParseState<StringReader> parseState) {
Boolean boolean_ = convert(ops, (T)args.getFirst());
if (boolean_ == null) {
parseState.errorCollector().store(parseState.mark(), SnbtOperations.ERROR_EXPECTED_NUMBER_OR_BOOLEAN);
return null;
} else {
return ops.createBoolean(boolean_);
}
}
@Nullable
private static <T> Boolean convert(DynamicOps<T> ops, T value) {
Optional<Boolean> optional = ops.getBooleanValue(value).result();
if (optional.isPresent()) {
return (Boolean)optional.get();
} else {
Optional<Number> optional2 = ops.getNumberValue(value).result();
return optional2.isPresent() ? ((Number)optional2.get()).doubleValue() != 0.0 : null;
}
}
}, new SnbtOperations.BuiltinKey("uuid", 1), new SnbtOperations.BuiltinOperation() {
@Override
public <T> T run(DynamicOps<T> ops, List<T> args, ParseState<StringReader> parseState) {
Optional<String> optional = ops.getStringValue((T)args.getFirst()).result();
if (optional.isEmpty()) {
parseState.errorCollector().store(parseState.mark(), SnbtOperations.ERROR_EXPECTED_STRING_UUID);
return null;
} else {
UUID uUID;
try {
uUID = UUID.fromString((String)optional.get());
} catch (IllegalArgumentException var7) {
parseState.errorCollector().store(parseState.mark(), SnbtOperations.ERROR_EXPECTED_STRING_UUID);
return null;
}
return ops.createIntList(IntStream.of(UUIDUtil.uuidToIntArray(uUID)));
}
}
}
);
public static final SuggestionSupplier<StringReader> BUILTIN_IDS = new SuggestionSupplier<StringReader>() {
private final Set<String> keys = (Set<String>)Stream.concat(
Stream.of("false", "true"), SnbtOperations.BUILTIN_OPERATIONS.keySet().stream().map(SnbtOperations.BuiltinKey::id)
)
.collect(Collectors.toSet());
@Override
public Stream<String> possibleValues(ParseState<StringReader> parseState) {
return this.keys.stream();
}
};
public record BuiltinKey(String id, int argCount) {
public String toString() {
return this.id + "/" + this.argCount;
}
}
public interface BuiltinOperation {
@Nullable
<T> T run(DynamicOps<T> ops, List<T> args, ParseState<StringReader> parseState);
}
}