src/game/java/com/mojang/blaze3d/font/SpaceProvider.java

package com.mojang.blaze3d.font;

import com.mojang.datafixers.util.Either;
import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.ints.IntSet;
import it.unimi.dsi.fastutil.ints.IntSets;
import java.util.Map;
import javax.annotation.Nullable;
import net.minecraft.client.gui.font.providers.GlyphProviderDefinition;
import net.minecraft.client.gui.font.providers.GlyphProviderType;
import net.minecraft.server.packs.resources.ResourceManager;
import net.minecraft.util.ExtraCodecs;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class SpaceProvider implements GlyphProvider {
    private final Int2ObjectMap<GlyphInfo.SpaceGlyphInfo> glyphs;

    public SpaceProvider(Map<Integer, Float> p_286456_) {
        this.glyphs = new Int2ObjectOpenHashMap<>(p_286456_.size());
        p_286456_.forEach((p_286113_, p_286114_) -> this.glyphs.put(p_286113_.intValue(), () -> p_286114_));
    }

    @Nullable
    @Override
    public GlyphInfo getGlyph(int p_231105_) {
        return this.glyphs.get(p_231105_);
    }

    @Override
    public IntSet getSupportedGlyphs() {
        return IntSets.unmodifiable(this.glyphs.keySet());
    }

    @OnlyIn(Dist.CLIENT)
    public static record Definition(Map<Integer, Float> advances) implements GlyphProviderDefinition {
        public static final MapCodec<SpaceProvider.Definition> CODEC = RecordCodecBuilder.mapCodec(
            p_286766_ -> p_286766_.group(
                        Codec.unboundedMap(ExtraCodecs.CODEPOINT, Codec.FLOAT).fieldOf("advances").forGetter(SpaceProvider.Definition::advances)
                    )
                    .apply(p_286766_, SpaceProvider.Definition::new)
        );

        @Override
        public GlyphProviderType type() {
            return GlyphProviderType.SPACE;
        }

        @Override
        public Either<GlyphProviderDefinition.Loader, GlyphProviderDefinition.Reference> unpack() {
            GlyphProviderDefinition.Loader glyphproviderdefinition$loader = p_286243_ -> new SpaceProvider(this.advances);
            return Either.left(glyphproviderdefinition$loader);
        }
    }
}