TarnaWijaya
26ed99fda6
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61 lines
2.2 KiB
Go
61 lines
2.2 KiB
Go
package entity
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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/internal/nbtconv"
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"github.com/df-mc/dragonfly/server/item"
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"github.com/df-mc/dragonfly/server/world"
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)
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// NewFirework creates a firework entity. Firework is an item (and entity) used
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// for creating decorative explosions, boosting when flying with elytra, and
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// loading into a crossbow as ammunition.
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func NewFirework(opts world.EntitySpawnOpts, firework item.Firework) *world.EntityHandle {
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return newFirework(opts, firework, nil, 1.15, 0.04, false)
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}
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// NewFireworkAttached creates a firework entity with an owner that the firework
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// may be attached to.
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func NewFireworkAttached(opts world.EntitySpawnOpts, firework item.Firework, owner world.Entity) *world.EntityHandle {
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return newFirework(opts, firework, owner, 0, 0, true)
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}
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func newFirework(opts world.EntitySpawnOpts, firework item.Firework, owner world.Entity, sidewaysVelocityMultiplier, upwardsAcceleration float64, attached bool) *world.EntityHandle {
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conf := fireworkConf
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conf.SidewaysVelocityMultiplier = sidewaysVelocityMultiplier
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conf.UpwardsAcceleration = upwardsAcceleration
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conf.Firework = firework
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conf.ExistenceDuration = firework.RandomisedDuration()
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conf.Attached = attached
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if attached {
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conf.Owner = owner.H()
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}
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return opts.New(FireworkType, conf)
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}
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var fireworkConf = FireworkBehaviourConfig{}
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// FireworkType is a world.EntityType implementation for Firework.
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var FireworkType fireworkType
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type fireworkType struct{}
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func (t fireworkType) Open(tx *world.Tx, handle *world.EntityHandle, data *world.EntityData) world.Entity {
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return &Ent{tx: tx, handle: handle, data: data}
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}
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func (fireworkType) EncodeEntity() string { return "minecraft:fireworks_rocket" }
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func (fireworkType) BBox(world.Entity) cube.BBox { return cube.BBox{} }
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func (fireworkType) DecodeNBT(m map[string]any, data *world.EntityData) {
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conf := fireworkConf
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conf.Firework = nbtconv.MapItem(m, "Item").Item().(item.Firework)
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conf.ExistenceDuration = conf.Firework.RandomisedDuration()
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data.Data = conf.New()
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}
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func (fireworkType) EncodeNBT(data *world.EntityData) map[string]any {
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return map[string]any{"Item": nbtconv.WriteItem(item.NewStack(data.Data.(*FireworkBehaviour).Firework(), 1), true)}
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}
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