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

73 lines
3 KiB
Java

package net.minecraft.util.datafix.fixes;
import com.google.common.collect.ImmutableMap;
import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.OpticFinder;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.serialization.Dynamic;
import java.util.function.Function;
import net.minecraft.Util;
import net.minecraft.util.datafix.ExtraDataFixUtils;
public class FixProjectileStoredItem extends DataFix {
private static final String EMPTY_POTION = "minecraft:empty";
public FixProjectileStoredItem(Schema outputSchema) {
super(outputSchema, true);
}
@Override
protected TypeRewriteRule makeRule() {
Type<?> type = this.getInputSchema().getType(References.ENTITY);
Type<?> type2 = this.getOutputSchema().getType(References.ENTITY);
return this.fixTypeEverywhereTyped(
"Fix AbstractArrow item type",
type,
type2,
ExtraDataFixUtils.chainAllFilters(
this.fixChoice("minecraft:trident", FixProjectileStoredItem::castUnchecked),
this.fixChoice("minecraft:arrow", FixProjectileStoredItem::fixArrow),
this.fixChoice("minecraft:spectral_arrow", FixProjectileStoredItem::fixSpectralArrow)
)
);
}
private Function<Typed<?>, Typed<?>> fixChoice(String itemId, FixProjectileStoredItem.SubFixer<?> fixer) {
Type<?> type = this.getInputSchema().getChoiceType(References.ENTITY, itemId);
Type<?> type2 = this.getOutputSchema().getChoiceType(References.ENTITY, itemId);
return fixChoiceCap(itemId, fixer, type, type2);
}
private static <T> Function<Typed<?>, Typed<?>> fixChoiceCap(String itemId, FixProjectileStoredItem.SubFixer<?> fixer, Type<?> oldType, Type<T> newType) {
OpticFinder<?> opticFinder = DSL.namedChoice(itemId, oldType);
return typed -> typed.updateTyped(opticFinder, newType, typedx -> fixer.fix(typedx, newType));
}
private static <T> Typed<T> fixArrow(Typed<?> typed, Type<T> newType) {
return Util.writeAndReadTypedOrThrow(typed, newType, dynamic -> dynamic.set("item", createItemStack(dynamic, getArrowType(dynamic))));
}
private static String getArrowType(Dynamic<?> arrowTag) {
return arrowTag.get("Potion").asString("minecraft:empty").equals("minecraft:empty") ? "minecraft:arrow" : "minecraft:tipped_arrow";
}
private static <T> Typed<T> fixSpectralArrow(Typed<?> typed, Type<T> newType) {
return Util.writeAndReadTypedOrThrow(typed, newType, dynamic -> dynamic.set("item", createItemStack(dynamic, "minecraft:spectral_arrow")));
}
private static Dynamic<?> createItemStack(Dynamic<?> dynamic, String itemId) {
return dynamic.createMap(ImmutableMap.of(dynamic.createString("id"), dynamic.createString(itemId), dynamic.createString("Count"), dynamic.createInt(1)));
}
private static <T> Typed<T> castUnchecked(Typed<?> typed, Type<T> newType) {
return new Typed<>(newType, typed.getOps(), (T)typed.getValue());
}
interface SubFixer<F> {
Typed<F> fix(Typed<?> typed, Type<F> type);
}
}