An IIngredient is an ingredient for recipes.
This could be an item, an ore dictionary entry, a liquid and much more.

패키지 임포트하기

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It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import.
import crafttweaker.item.IIngredient;

Importing the IIngredient package

Link to importing-the-iingredient-package

Usually, you won't need this, but in some cases recipes won't work until you import the IIngredient package.
You can do this using the following import:

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import crafttweaker.item.IIngredient;

So, what can we do with this?

The command string is how you would call this item in ZS.
This can be a bracket handler or something similar.

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val item = <minecraft:iron_ingot>;

//prints "<minecraft:iron_ingot>"
print(item.commandString);

You can mark an IIngredient so you can later use it in crafting functions. You can also retrieve the mark applied earlier.

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//Marks the pick with the String Picky
//item.marked(name) <-- Name is a string!
val markedPick = <minecraft:diamond_pickaxe>.marked("Picky");

//prints "Picky"
print(markedPick.mark);

If you want to use more than one of a given item, you can set an amount to an IIngredient.
This is as easy as multiplying the IIngredient with an Integer.
Retrieveing the amount is also possible.

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val multipleApples = <minecraft:apple> * 3;

//prints 3
print(multipleApples.amount);

OR-ing an IIngredient

Link to or-ing-an-iingredient

Sometimes you want either IIngredient X or Y, but don't want to create a recipe for each possibility? That's why there's the OR Method for IIngredients:

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val item1 = <minecraft:apple>;
val item2 = <minecraft:carrot>;

val either = item1 | item2;
val either2 = item1.or(item2);

Get Possible Items or Liquids

Link to get-possible-items-or-liquids

Sometimes an IIngredient represents more than one item, for example if you are using an OreDictEntry or if you OR-ed two Ingredients.
You can get all possible items for this IIngredient as a List<IItemStack> List using the first function.
The second function does the same as the first function but returns a IItemStack[] instead of a list. Same goes for liquids in the third function, only they return an ILiquidStack List.

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//Returns an IItemStack List
//possible items: All iron ingots and the gold ingot from MC
val itemsIngredient = <ore:ingotIron> | <minecraft:gold_ingot>;


//Returns an ILiquidStack List|
//possible liquids: Lava and Water
val liquidsIngredient = <liquid:lava> | <liquid:water>;


for item in itemsIngredient.items{
    //Prints each possible item's Display name
    print(item.displayName);
}

for item in itemsIngredient.itemArray{
    //Prints each possible item's Display name
    print(item.displayName);
}

for liquid in liquidsIngredient.liquids{
    //Prints each possible liquid's Display name
    print(liquid.displayName);
}

for liquid in <minecraft:water_bucket>.liquids {
    //Prints the contained liquid, i.e. water.
    //May not work for every item, though.
    print(liquid.displayName);
}

Transform an IIngredient upon crafting

Link to transform-an-iingredient-upon-crafting

Sometimes you want an item not to be consumed upon crafting but instead receive damaged or give back a completely different item.
This is what item Transformers are there for.

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val item = <minecraft:apple>;

//Item won't be consumed and will stay in the grid
transformedItem = item.reuse();

//Item won't be consumed and the whole stack will be given back to you (does /give).
transformedItem = item.giveBack();

//item will be consumed but will give the specified stack to you (the crafting slot will be cleared!).
transformedItem = item.giveBack(<minecraft:potato>);

//item will be replaced with the specified item, which will instead go to the crafting slot
transformedItem = item.transformReplace(<minecraft:potato>);

//damages the item by 1
transformedItem = item.transformDamage();

//damages the item by the given value
transformedItem = item.transformDamage(3);

//item will be consumed, no matter what.
transformedItem = item.noReturn();

//Causes multiple items to be consumed.
transformedItem = item.transformConsume(3);

Ingredient Conditions

Link to ingredient-conditions

Sometimes you want your ingredient to have a specific tag or to only work if (not) damaged. These Conditions can be added to your Ingredients using the following:

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val item = <minecraft:apple>;

//Item will only be accepted with at least 1 point damage
var conditionedItem = item.onlyDamaged();

//Item will only be accepted with at least the specified damage points
conditionedItem = item.onlyDamageAtLeast(10);

//Item will only be accepted with at most the specified damage points
conditionedItem = item.onlyDamageAtMost(100);

//Item will only be accepted with damage points greater or equal as the first and lesser or equal as the 2nd Integer.
conditionedItem = item.onlyDamageBetween(10,100);

//Item will only be accepted with the specified Tag. The item may have more/other tags than specified, those are ignored when checked.
//If you want JEI to show the tag in the recipe screen, you'll need to add a tag using "withTag(tag)"
conditionedItem = item.onlyWithTag({display: {Name: "Tomato"}});

//Item will only be accepted with the specified Tag. The item may have more/other tags than specified, those are ignored when checked.
//Note: This may not work with all ingredients, but it will work for Items. Pro side to using this is that JEI will show the tags in the recipe!
conditionedItem = item.withTag({display: {Name: "Tomato"}});

//Item will only be accepted if in a Stack of at least the specified amount. Mostly used in combination with the consume transformer.
//Note that if you only add this, it will still consume only one item per craft.
conditionedItem = item.onlyStack(32);

블록 매칭하기

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If you want to check if an IItemStack matches your IIngredient you can use the match method. This will return a boolean. If the IIngredient represents a liquid, it will check if the item is a valid container for this liquid.

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print(<ore:ingotIron>.matches(<minecraft:iron_ingot>));
print(<ore:ingotIron>.matchesExact(<minecraft:iron_ingot>));

You can also match two IIngredient Objects, in which case you'd need to use the in operator:

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val ingots = <minecraft:iron_ingot> | <minecraft:gold_ingot>;
val oreIngot = <ore:ingotIron>;
val ingotGold = <minecraft:gold_ingot>;

//true as the ingots Ingredient has <minecraft:gold_ingot>
ingots has ingotGold;

//false as <minecraft:iron_ingot> cannot be found in <ore:ingotGold>
oreIngot has ingots;