src/game/java/net/minecraft/util/datafix/fixes/AttributeIdPrefixFix.java

package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.schemas.Schema;
import java.util.List;
import net.minecraft.util.datafix.schemas.NamespacedSchema;

public class AttributeIdPrefixFix extends AttributesRenameFix {
    private static final List<String> PREFIXES = List.of("generic.", "horse.", "player.", "zombie.");

    public AttributeIdPrefixFix(Schema p_365079_) {
        super(p_365079_, "AttributeIdPrefixFix", AttributeIdPrefixFix::replaceId);
    }

    private static String replaceId(String p_361180_) {
        String s = NamespacedSchema.ensureNamespaced(p_361180_);

        for (String s1 : PREFIXES) {
            String s2 = NamespacedSchema.ensureNamespaced(s1);
            if (s.startsWith(s2)) {
                return "minecraft:" + s.substring(s2.length());
            }
        }

        return p_361180_;
    }
}