package net.minecraft.client.renderer.item.properties.conditional; import com.mojang.serialization.MapCodec; import net.fabricmc.api.EnvType; import net.fabricmc.api.Environment; import net.minecraft.client.multiplayer.ClientLevel; import net.minecraft.world.entity.LivingEntity; import net.minecraft.world.item.ItemDisplayContext; import net.minecraft.world.item.ItemStack; import org.jetbrains.annotations.Nullable; @Environment(EnvType.CLIENT) public record IsUsingItem() implements ConditionalItemModelProperty { public static final MapCodec MAP_CODEC = MapCodec.unit(new IsUsingItem()); @Override public boolean get(ItemStack stack, @Nullable ClientLevel level, @Nullable LivingEntity entity, int seed, ItemDisplayContext displayContext) { return entity == null ? false : entity.isUsingItem() && entity.getUseItem() == stack; } @Override public MapCodec type() { return MAP_CODEC; } }