ItemBannerColorFix.java

net.minecraft.util.datafix.fixes.ItemBannerColorFix

信息

• 全限定名：net.minecraft.util.datafix.fixes.ItemBannerColorFix
• 类型：public class
• 包：net.minecraft.util.datafix.fixes
• 源码路径：src/main/java/net/minecraft/util/datafix/fixes/ItemBannerColorFix.java
• 起始行号：L18
• 继承：DataFix
• 职责：

  TODO

字段/常量

• 无

内部类/嵌套类型

• 无

构造器

public ItemBannerColorFix(Schema outputSchema, boolean changesType) @ L19

• 构造器名：ItemBannerColorFix
• 源码定位：L19
• 修饰符：public

参数:

• outputSchema: Schema
• changesType: boolean

说明:

TODO

方法

下面的方法块按源码顺序生成。

public TypeRewriteRule makeRule() @ L23

• 方法名：makeRule
• 源码定位：L23
• 返回类型：TypeRewriteRule
• 修饰符：public

参数:

• 无

说明:

TODO

代码

public class ItemBannerColorFix extends DataFix {
    public ItemBannerColorFix(Schema outputSchema, boolean changesType) {
        super(outputSchema, changesType);
    }
 
    @Override
    public TypeRewriteRule makeRule() {
        Type<?> itemStackType = this.getInputSchema().getType(References.ITEM_STACK);
        OpticFinder<Pair<String, String>> idF = DSL.fieldFinder("id", DSL.named(References.ITEM_NAME.typeName(), NamespacedSchema.namespacedString()));
        OpticFinder<?> tagF = itemStackType.findField("tag");
        OpticFinder<?> blockEntityF = tagF.type().findField("BlockEntityTag");
        return this.fixTypeEverywhereTyped(
            "ItemBannerColorFix",
            itemStackType,
            input -> {
                Optional<Pair<String, String>> id = input.getOptional(idF);
                if (id.isPresent() && Objects.equals(id.get().getSecond(), "minecraft:banner")) {
                    Dynamic<?> rest = input.get(DSL.remainderFinder());
                    Optional<? extends Typed<?>> tagOpt = input.getOptionalTyped(tagF);
                    if (tagOpt.isPresent()) {
                        Typed<?> tag = (Typed<?>)tagOpt.get();
                        Optional<? extends Typed<?>> blockEntityOpt = tag.getOptionalTyped(blockEntityF);
                        if (blockEntityOpt.isPresent()) {
                            Typed<?> blockEntity = (Typed<?>)blockEntityOpt.get();
                            Dynamic<?> tagRest = tag.get(DSL.remainderFinder());
                            Dynamic<?> blockEntityRest = blockEntity.getOrCreate(DSL.remainderFinder());
                            if (blockEntityRest.get("Base").asNumber().result().isPresent()) {
                                rest = rest.set("Damage", rest.createShort((short)(blockEntityRest.get("Base").asInt(0) & 15)));
                                Optional<? extends Dynamic<?>> displayOptional = tagRest.get("display").result();
                                if (displayOptional.isPresent()) {
                                    Dynamic<?> display = (Dynamic<?>)displayOptional.get();
                                    Dynamic<?> pickMarker = display.createMap(
                                        ImmutableMap.of(display.createString("Lore"), display.createList(Stream.of(display.createString("(+NBT"))))
                                    );
                                    if (Objects.equals(display, pickMarker)) {
                                        return input.set(DSL.remainderFinder(), rest);
                                    }
                                }
 
                                blockEntityRest.remove("Base");
                                return input.set(DSL.remainderFinder(), rest)
                                    .set(tagF, tag.set(blockEntityF, blockEntity.set(DSL.remainderFinder(), blockEntityRest)));
                            }
                        }
                    }
 
                    return input.set(DSL.remainderFinder(), rest);
                } else {
                    return input;
                }
            }
        );
    }
}

引用的其他类

• Schema

  • 引用位置: 参数

• NamespacedSchema

  • 引用位置: 方法调用
  • 关联成员: NamespacedSchema.namespacedString()