up3

server/item/ender_pearl.go

@@ -0,0 +1,36 @@
+package item
+
+import (
+	"github.com/df-mc/dragonfly/server/world"
+	"github.com/df-mc/dragonfly/server/world/sound"
+	"time"
+)
+
+// EnderPearl is a smooth, greenish-blue item used to teleport and to make an eye of ender.
+type EnderPearl struct{}
+
+// Use ...
+func (e EnderPearl) Use(tx *world.Tx, user User, ctx *UseContext) bool {
+	create := tx.World().EntityRegistry().Config().EnderPearl
+	opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Mul(1.5)}
+	tx.AddEntity(create(opts, user))
+	tx.PlaySound(user.Position(), sound.ItemThrow{})
+
+	ctx.SubtractFromCount(1)
+	return true
+}
+
+// Cooldown ...
+func (EnderPearl) Cooldown() time.Duration {
+	return time.Second
+}
+
+// MaxCount ...
+func (EnderPearl) MaxCount() int {
+	return 16
+}
+
+// EncodeItem ...
+func (EnderPearl) EncodeItem() (name string, meta int16) {
+	return "minecraft:ender_pearl", 0
+}