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/*
* Roughly Enough Items by Danielshe.
* Licensed under the MIT License.
*/
package me.shedaniel.rei.api;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import java.util.List;
public interface ItemRegistry {
/**
* Gets the current unmodifiable item list
*
* @return an unmodifiable item list
*/
List<ItemStack> getItemList();
/**
* Gets the current modifiable item list
*
* @return an modifiable item list
*/
@Deprecated
List<ItemStack> getModifiableItemList();
/**
* Gets all possible stacks from an item
*
* @param item the item to find
* @return the array of possible stacks
*/
ItemStack[] getAllStacksFromItem(Item item);
/**
* Registers an new stack to the item list
*
* @param afterItem the stack to put after
* @param stack the stack to register
*/
void registerItemStack(Item afterItem, ItemStack stack);
/**
* Registers multiple stacks to the item list
*
* @param afterItem the stack to put after
* @param stacks the stacks to register
*/
default void registerItemStack(Item afterItem, ItemStack... stacks) {
for (int i = stacks.length - 1; i >= 0; i--) {
ItemStack stack = stacks[i];
if (stack != null && !stack.isEmpty())
registerItemStack(afterItem, stack);
}
}
/**
* Registers multiple stacks to the item list
*
* @param stacks the stacks to register
*/
default void registerItemStack(ItemStack... stacks) {
registerItemStack(null, stacks);
}
/**
* Checks if a stack is already registered
*
* @param stack the stack to check
* @return whether the stack has been registered
*/
default boolean alreadyContain(ItemStack stack) {
return getItemList().stream().anyMatch(stack1 -> ItemStack.areEqualIgnoreDamage(stack, stack1));
}
}
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