62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
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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/block/cube/trace"
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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/df-mc/dragonfly/server/world/sound"
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"github.com/go-gl/mathgl/mgl64"
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)
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// NewEnderPearl creates an EnderPearl entity. EnderPearl is a smooth, greenish-
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// blue item used to teleport.
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func NewEnderPearl(opts world.EntitySpawnOpts, owner world.Entity) *world.EntityHandle {
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conf := enderPearlConf
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conf.Owner = owner.H()
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return opts.New(EnderPearlType, conf)
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}
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var enderPearlConf = ProjectileBehaviourConfig{
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Gravity: 0.03,
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Drag: 0.01,
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Particle: particle.EndermanTeleport{},
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Sound: sound.Teleport{},
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Hit: teleport,
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}
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// teleporter represents a living entity that can teleport.
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type teleporter interface {
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// Teleport teleports the entity to the position given.
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Teleport(pos mgl64.Vec3)
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Living
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}
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// teleport teleports the owner of an Ent to a trace.Result's position.
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func teleport(e *Ent, tx *world.Tx, target trace.Result) {
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owner, _ := e.Behaviour().(*ProjectileBehaviour).Owner().Entity(tx)
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if user, ok := owner.(teleporter); ok {
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tx.PlaySound(user.Position(), sound.Teleport{})
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user.Teleport(target.Position())
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user.Hurt(5, FallDamageSource{})
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}
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}
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// EnderPearlType is a world.EntityType implementation for EnderPearl.
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var EnderPearlType enderPearlType
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type enderPearlType struct{}
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func (t enderPearlType) 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 (enderPearlType) EncodeEntity() string { return "minecraft:ender_pearl" }
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func (enderPearlType) BBox(world.Entity) cube.BBox {
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return cube.Box(-0.125, 0, -0.125, 0.125, 0.25, 0.125)
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}
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func (enderPearlType) DecodeNBT(_ map[string]any, data *world.EntityData) {
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data.Data = enderPearlConf.New()
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}
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func (enderPearlType) EncodeNBT(*world.EntityData) map[string]any { return nil }
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