42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
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package item
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import (
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"github.com/df-mc/dragonfly/server/block/cube"
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"github.com/df-mc/dragonfly/server/world"
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"github.com/go-gl/mathgl/mgl64"
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)
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// GlassBottle is an item that can hold various liquids.
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type GlassBottle struct{}
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// bottleFiller is implemented by blocks that can fill bottles by clicking on them.
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type bottleFiller interface {
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// FillBottle fills a GlassBottle by interacting with a block. Blocks that implement this interface return both the
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// block that should be placed in the world after filling the bottle, and the item that was produced as a result of
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// the filling.
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// If the bool returned is false, nothing will happen when using a GlassBottle on the block.
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FillBottle() (world.Block, Stack, bool)
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}
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// UseOnBlock ...
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func (g GlassBottle) UseOnBlock(pos cube.Pos, _ cube.Face, _ mgl64.Vec3, tx *world.Tx, _ User, ctx *UseContext) bool {
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bl := tx.Block(pos)
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if b, ok := bl.(bottleFiller); ok {
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var res world.Block
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if res, ctx.NewItem, ok = b.FillBottle(); ok {
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ctx.SubtractFromCount(1)
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if res != bl {
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// Some blocks (think a cauldron) change when using a bottle on it.
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tx.SetBlock(pos, res, nil)
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}
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return true
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}
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}
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return false
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}
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// EncodeItem ...
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func (g GlassBottle) EncodeItem() (name string, meta int16) {
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return "minecraft:glass_bottle", 0
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}
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