package net.minecraft.util.datafix.fixes; import com.mojang.datafixers.DataFix; import com.mojang.datafixers.TypeRewriteRule; import com.mojang.datafixers.schemas.Schema; import com.mojang.serialization.Dynamic; import java.util.Map; public class MapIdFix extends DataFix { public MapIdFix(Schema p_16396_) { super(p_16396_, true); } @Override protected TypeRewriteRule makeRule() { return this.writeFixAndRead( "Map id fix", this.getInputSchema().getType(References.SAVED_DATA_MAP_DATA), this.getOutputSchema().getType(References.SAVED_DATA_MAP_DATA), p_390310_ -> p_390310_.createMap(Map.of(p_390310_.createString("data"), p_390310_)) ); } }