Importing the class

Link to importing-the-class

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 at the very top of the file.

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import crafttweaker.neoforge.api.capability.IItemHandler;

Name: extractItem

Extract from the given slot.

Returns: The stack extracted from the slot.
Return Type: IItemStack

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// IItemHandler.extractItem(slot as int, amount as int, simulate as boolean) as IItemStack

myIItemHandler.extractItem(0, 5, false);
ParameterTypeDescription
Parameter
slot
Type
int
Description
The slot to extract from.
Parameter
amount
Type
int
Description
How much to extract from the slot.
Parameter
simulate
Type
boolean
Description
If the extraction should actually happen, if true, no changes will be made.

Name: getSlotLimit

Gets how much of a stack can fit into the given slot.

Returns: The max stack size of the given stack.
Return Type: int

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// IItemHandler.getSlotLimit(slot as int) as int

myIItemHandler.getSlotLimit(1);
ParameterTypeDescription
Parameter
slot
Type
int
Description
The slot to check.

Name: getStackInSlot

Gets the stack in the given slot.

Returns: The stack in the slot.
Return Type: IItemStack

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// IItemHandler.getStackInSlot(slot as int) as IItemStack

myIItemHandler.getStackInSlot(1);
ParameterTypeDescription
Parameter
slot
Type
int
Description
The slot to get the stack of.

Name: insertItem

Inserts the stack into the given slot and returns the remainder.

The remainder returned is how much was not inserted.

For example if slot 0 had 63 dirt, and you tried to insert 5 dirt, you will get a remainder of 4 dirt.

Returns: The remaining stack that was not inserted.
Return Type: IItemStack

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// IItemHandler.insertItem(slot as int, stack as IItemStack, simulate as boolean) as IItemStack

myIItemHandler.insertItem(1, <item:minecraft:dirt>, true);
ParameterTypeDescription
Parameter
slot
Type
int
Description
The slot to insert into.
Parameter
stack
Type
IItemStack
Description
The stack to insert.
Parameter
simulate
Type
boolean
Description
If the insert should actually happen, if true, will be made.

Name: isItemValid

Checks if the given stack is valid for the given slot.

Returns: true if the stack is valid, false otherwise.
Return Type: boolean

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IItemHandler.isItemValid(slot as int, stack as IItemStack) as boolean
ParameterTypeDescription
Parameter
slot
Type
int
Description
The slot to check.
Parameter
stack
Type
IItemStack
Description
The stack to check.
NameTypeHas GetterHas SetterDescription
Name
slots
Type
int
Has Getter
true
Has Setter
false
Description
Gets the amount of slots in the handler.