From a0ec60eca2bf687c4002e0e194f1339a5bd58efa Mon Sep 17 00:00:00 2001
From: Tnze <cjd001113@outlook.com>
Date: Thu, 25 Feb 2021 12:43:46 +0800
Subject: [PATCH] Implement PacketBuilder. close #46

---
 net/packet/builder.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 net/packet/builder.go

diff --git a/net/packet/builder.go b/net/packet/builder.go
new file mode 100644
index 0000000..57d767c
--- /dev/null
+++ b/net/packet/builder.go
@@ -0,0 +1,17 @@
+package packet
+
+import "bytes"
+
+type Builder struct {
+	buf bytes.Buffer
+}
+
+func (p *Builder) WriteField(fields ...FieldEncoder) {
+	for _, f := range fields {
+		p.buf.Write(f.Encode())
+	}
+}
+
+func (p *Builder) Packet(id int32) Packet {
+	return Packet{ID: id, Data: p.buf.Bytes()}
+}