1 files changed, 87 insertions, 0 deletions
diff --git a/common/buffer/put.go b/common/buffer/put.go
new file mode 100644
index 0000000..8a5064e
--- /dev/null
+++ b/common/buffer/put.go
@@ -0,0 +1,87 @@
+package buffer
+
+import (
+	"encoding/binary"
+	"math"
+)
+
+func (b *Buffer) PutByte(v byte) {
+	b.off += 1
+	b.buf = append(b.buf, v)
+}
+
+func (b *Buffer) PutBytes(v []byte) {
+	b.off += len(v)
+	b.buf = append(b.buf, v...)
+}
+
+func (b *Buffer) PutInt8(v int8) {
+	b.PutUint8(uint8(v))
+}
+
+func (b *Buffer) PutUint8(v uint8) {
+	b.off++
+	b.buf = append(b.buf, v)
+}
+
+func (b *Buffer) PutInt16(v int16) {
+	b.PutUint16(uint16(v))
+}
+
+func (b *Buffer) PutUint16(v uint16) {
+	b.off += 2
+
+	tmp := make([]byte, 2)
+	binary.LittleEndian.PutUint16(tmp, v)
+	b.buf = append(b.buf, tmp...)
+}
+
+func (b *Buffer) PutInt32(v int32) {
+	b.PutUint32(uint32(v))
+}
+
+func (b *Buffer) PutUint32(v uint32) {
+	b.off += 4
+
+	tmp := make([]byte, 4)
+	binary.LittleEndian.PutUint32(tmp, v)
+	b.buf = append(b.buf, tmp...)
+}
+
+func (b *Buffer) PutFloat32(v float32) {
+	b.off += 4
+
+	tmp := make([]byte, 4)
+	binary.LittleEndian.PutUint32(tmp, math.Float32bits(v))
+	b.buf = append(b.buf, tmp...)
+}
+
+func (b *Buffer) PutString(v string) {
+	b.off += len(v) + 1
+
+	for i := 0; i < len(v); i++ {
+		b.PutByte(byte(v[i]))
+	}
+
+	b.PutByte(0)
+}
+
+func (b *Buffer) PutCoord16(v float32) {
+	b.PutUint16(uint16(v * 8.0))
+}
+
+func (b *Buffer) PutCoord32(v float32) {
+	b.PutFloat32(v)
+}
+
+func (b *Buffer) PutAngle8(v float32) {
+	b.PutByte(byte(v / (360.0 / 256)))
+}
+
+func (b *Buffer) PutAngle16(v float32) {
+	b.PutUint16(uint16(v / (360.0 / 65536)))
+}
+
+func (b *Buffer) PutAngle32(v float32) {
+	b.PutFloat32(v)
+}