127 lines
3.8 KiB
Java
127 lines
3.8 KiB
Java
/*
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* This file is part of the public ComputerCraft API - http://www.computercraft.info
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* Copyright Daniel Ratcliffe, 2011-2021. This API may be redistributed unmodified and in full only.
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* For help using the API, and posting your mods, visit the forums at computercraft.info.
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*/
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package dan200.computercraft.api.turtle;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.util.IItemProvider;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.util.Util;
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import net.minecraftforge.common.util.NonNullSupplier;
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import javax.annotation.Nonnull;
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import java.util.function.Supplier;
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/**
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* A base class for {@link ITurtleUpgrade}s.
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*
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* One does not have to use this, but it does provide a convenient template.
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*/
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public abstract class AbstractTurtleUpgrade implements ITurtleUpgrade
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{
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private final ResourceLocation id;
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private final TurtleUpgradeType type;
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private final String adjective;
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private final NonNullSupplier<ItemStack> stack;
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, String adjective, NonNullSupplier<ItemStack> stack )
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{
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this.id = id;
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this.type = type;
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this.adjective = adjective;
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this.stack = stack;
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, NonNullSupplier<ItemStack> stack )
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{
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this( id, type, Util.makeTranslationKey( "upgrade", id ) + ".adjective", stack );
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, String adjective, ItemStack stack )
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{
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this( id, type, adjective, () -> stack );
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, ItemStack stack )
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{
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this( id, type, () -> stack );
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, String adjective, IItemProvider item )
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{
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this( id, type, adjective, new CachedStack( () -> item ) );
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, IItemProvider item )
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{
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this( id, type, new CachedStack( () -> item ) );
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, String adjective, Supplier<? extends IItemProvider> item )
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{
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this( id, type, adjective, new CachedStack( item ) );
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}
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protected AbstractTurtleUpgrade( ResourceLocation id, TurtleUpgradeType type, Supplier<? extends IItemProvider> item )
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{
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this( id, type, new CachedStack( item ) );
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}
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@Nonnull
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@Override
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public final ResourceLocation getUpgradeID()
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{
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return id;
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}
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@Nonnull
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@Override
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public final String getUnlocalisedAdjective()
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{
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return adjective;
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}
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@Nonnull
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@Override
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public final TurtleUpgradeType getType()
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{
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return type;
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}
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@Nonnull
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@Override
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public final ItemStack getCraftingItem()
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{
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return stack.get();
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}
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/**
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* A supplier which converts an item into an item stack.
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*
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* Constructing item stacks is somewhat expensive due to attaching capabilities. We cache it if given a consistent item.
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*/
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private static final class CachedStack implements NonNullSupplier<ItemStack>
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{
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private final Supplier<? extends IItemProvider> provider;
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private Item item;
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private ItemStack stack;
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CachedStack( Supplier<? extends IItemProvider> provider )
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{
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this.provider = provider;
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}
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@Nonnull
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@Override
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public ItemStack get()
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{
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Item item = provider.get().asItem();
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if( item == this.item && stack != null ) return stack;
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return stack = new ItemStack( this.item = item );
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}
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}
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}
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