53 lines
1.6 KiB
Go
53 lines
1.6 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/df-mc/dragonfly/server/world/particle"
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"github.com/go-gl/mathgl/mgl64"
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)
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// BoneMealResult represents the outcome of a bone meal interaction with a block,
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// determining the intensity of the particle effect displayed.
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type BoneMealResult int
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const (
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// BoneMealResultNone indicates that the bone meal had no effect on the block.
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BoneMealResultNone BoneMealResult = iota
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// BoneMealResultSmall indicates a minor growth effect, produces a small particle burst.
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BoneMealResultSmall
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// BoneMealResultArea indicates a significant growth effect over an area, produces a large particle burst.
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BoneMealResultArea
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)
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// BoneMeal is an item used to force growth in plants & crops.
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type BoneMeal struct{}
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// BoneMealAffected represents a block that is affected when bone meal is used on it.
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type BoneMealAffected interface {
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// BoneMeal attempts to affect the block using a bone meal item.
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BoneMeal(pos cube.Pos, tx *world.Tx) BoneMealResult
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}
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// UseOnBlock ...
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func (b BoneMeal) UseOnBlock(pos cube.Pos, _ cube.Face, _ mgl64.Vec3, tx *world.Tx, _ User, ctx *UseContext) bool {
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if bm, ok := tx.Block(pos).(BoneMealAffected); ok {
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result := bm.BoneMeal(pos, tx)
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if result == BoneMealResultNone {
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return false
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}
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ctx.SubtractFromCount(1)
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tx.AddParticle(pos.Vec3(), particle.BoneMeal{
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Area: result == BoneMealResultArea,
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})
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return true
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}
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return false
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}
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// EncodeItem ...
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func (b BoneMeal) EncodeItem() (name string, meta int16) {
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return "minecraft:bone_meal", 0
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}
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