package net.minecraft.client.renderer.item.properties.conditional; import com.mojang.serialization.MapCodec; import com.mojang.serialization.codecs.RecordCodecBuilder; import net.minecraft.client.multiplayer.ClientLevel; import net.minecraft.core.component.DataComponents; import net.minecraft.util.ExtraCodecs; import net.minecraft.world.entity.LivingEntity; import net.minecraft.world.item.ItemDisplayContext; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.component.CustomModelData; import org.jspecify.annotations.Nullable; public record CustomModelDataProperty(int index) implements ConditionalItemModelProperty { public static final MapCodec MAP_CODEC = RecordCodecBuilder.mapCodec( i -> i.group(ExtraCodecs.NON_NEGATIVE_INT.optionalFieldOf("index", 0).forGetter(CustomModelDataProperty::index)).apply(i, CustomModelDataProperty::new) ); @Override public boolean get( final ItemStack itemStack, @Nullable final ClientLevel level, @Nullable final LivingEntity owner, final int seed, final ItemDisplayContext displayContext ) { CustomModelData customModelData = (CustomModelData)itemStack.get(DataComponents.CUSTOM_MODEL_DATA); return customModelData != null ? customModelData.getBoolean(this.index) == Boolean.TRUE : false; } @Override public MapCodec type() { return MAP_CODEC; } }