62 lines
2.6 KiB
Java
62 lines
2.6 KiB
Java
package net.minecraft.world.item.component;
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import com.mojang.serialization.Codec;
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import io.netty.buffer.ByteBuf;
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import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
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import java.util.Map;
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import java.util.Map.Entry;
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import net.minecraft.Util;
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import net.minecraft.network.codec.ByteBufCodecs;
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import net.minecraft.network.codec.StreamCodec;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.StateDefinition;
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import net.minecraft.world.level.block.state.properties.Property;
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import org.jetbrains.annotations.Nullable;
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public record BlockItemStateProperties(Map<String, String> properties) {
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public static final BlockItemStateProperties EMPTY = new BlockItemStateProperties(Map.of());
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public static final Codec<BlockItemStateProperties> CODEC = Codec.unboundedMap(Codec.STRING, Codec.STRING)
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.xmap(BlockItemStateProperties::new, BlockItemStateProperties::properties);
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private static final StreamCodec<ByteBuf, Map<String, String>> PROPERTIES_STREAM_CODEC = ByteBufCodecs.map(
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Object2ObjectOpenHashMap::new, ByteBufCodecs.STRING_UTF8, ByteBufCodecs.STRING_UTF8
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);
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public static final StreamCodec<ByteBuf, BlockItemStateProperties> STREAM_CODEC = PROPERTIES_STREAM_CODEC.map(
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BlockItemStateProperties::new, BlockItemStateProperties::properties
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);
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public <T extends Comparable<T>> BlockItemStateProperties with(Property<T> property, T value) {
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return new BlockItemStateProperties(Util.copyAndPut(this.properties, property.getName(), property.getName(value)));
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}
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public <T extends Comparable<T>> BlockItemStateProperties with(Property<T> property, BlockState state) {
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return this.with(property, state.getValue(property));
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}
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@Nullable
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public <T extends Comparable<T>> T get(Property<T> property) {
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String string = (String)this.properties.get(property.getName());
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return (T)(string == null ? null : property.getValue(string).orElse(null));
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}
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public BlockState apply(BlockState state) {
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StateDefinition<Block, BlockState> stateDefinition = state.getBlock().getStateDefinition();
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for (Entry<String, String> entry : this.properties.entrySet()) {
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Property<?> property = stateDefinition.getProperty((String)entry.getKey());
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if (property != null) {
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state = updateState(state, property, (String)entry.getValue());
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}
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}
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return state;
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}
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private static <T extends Comparable<T>> BlockState updateState(BlockState state, Property<T> property, String propertyName) {
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return (BlockState)property.getValue(propertyName).map(comparable -> state.setValue(property, comparable)).orElse(state);
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}
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public boolean isEmpty() {
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return this.properties.isEmpty();
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}
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}
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