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