34 lines
1.3 KiB
Go
34 lines
1.3 KiB
Go
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package inventory
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import (
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"github.com/df-mc/dragonfly/server/event"
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"github.com/df-mc/dragonfly/server/item"
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)
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type Holder interface{}
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type Context = event.Context[Holder]
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// Handler is a type that may be used to handle actions performed on an inventory by a player.
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type Handler interface {
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// HandleTake handles an item.Stack being taken from a slot in the inventory. This item might be the whole stack or
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// part of the stack currently present in that slot.
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HandleTake(ctx *Context, slot int, it item.Stack)
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// HandlePlace handles an item.Stack being placed in a slot of the inventory. It might either be added to an empty
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// slot or a slot that contains an item of the same type.
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HandlePlace(ctx *Context, slot int, it item.Stack)
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// HandleDrop handles the dropping of an item.Stack in a slot out of the inventory.
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HandleDrop(ctx *Context, slot int, it item.Stack)
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}
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// Check to make sure NopHandler implements Handler.
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var _ Handler = NopHandler{}
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// NopHandler is an implementation of Handler that does not run any code in any of its methods. It is the default
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// Handler of an Inventory.
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type NopHandler struct{}
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func (NopHandler) HandleTake(*Context, int, item.Stack) {}
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func (NopHandler) HandlePlace(*Context, int, item.Stack) {}
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func (NopHandler) HandleDrop(*Context, int, item.Stack) {}
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