minecraft-src/net/minecraft/util/datafix/fixes/RenameEnchantmentsFix.java
2025-07-04 01:41:11 +03:00

54 lines
1.8 KiB
Java

package net.minecraft.util.datafix.fixes;
import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.OpticFinder;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.serialization.Dynamic;
import java.util.Map;
import java.util.function.Function;
import net.minecraft.util.datafix.schemas.NamespacedSchema;
public class RenameEnchantmentsFix extends DataFix {
final String name;
final Map<String, String> renames;
public RenameEnchantmentsFix(Schema outputSchema, String name, Map<String, String> renames) {
super(outputSchema, false);
this.name = name;
this.renames = renames;
}
@Override
protected TypeRewriteRule makeRule() {
Type<?> type = this.getInputSchema().getType(References.ITEM_STACK);
OpticFinder<?> opticFinder = type.findField("tag");
return this.fixTypeEverywhereTyped(this.name, type, typed -> typed.updateTyped(opticFinder, typedx -> typedx.update(DSL.remainderFinder(), this::fixTag)));
}
private Dynamic<?> fixTag(Dynamic<?> tag) {
tag = this.fixEnchantmentList(tag, "Enchantments");
return this.fixEnchantmentList(tag, "StoredEnchantments");
}
private Dynamic<?> fixEnchantmentList(Dynamic<?> tag, String key) {
return tag.update(
key,
dynamic -> dynamic.asStreamOpt()
.map(
stream -> stream.map(
dynamicx -> dynamicx.update(
"id",
dynamic2 -> dynamic2.asString()
.map(string -> dynamicx.createString((String)this.renames.getOrDefault(NamespacedSchema.ensureNamespaced(string), string)))
.mapOrElse(Function.identity(), error -> dynamic2)
)
)
)
.map(dynamic::createList)
.mapOrElse(Function.identity(), error -> dynamic)
);
}
}