From 82871ba1bac1d62f69e1933b66659e62d2e5e063 Mon Sep 17 00:00:00 2001
From: Arda Serdar Pektezol <1669855+pektezol@users.noreply.github.com>
Date: Tue, 12 Sep 2023 20:53:09 +0300
Subject: another rewrite, v1.0.0

---
 pkg/classes/sendTable.go | 106 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 pkg/classes/sendTable.go

(limited to 'pkg/classes/sendTable.go')

diff --git a/pkg/classes/sendTable.go b/pkg/classes/sendTable.go
new file mode 100644
index 0000000..4521464
--- /dev/null
+++ b/pkg/classes/sendTable.go
@@ -0,0 +1,106 @@
+package classes
+
+import (
+	"github.com/pektezol/bitreader"
+)
+
+type SendTable struct {
+	NeedsDecoder bool
+	NetTableName string
+	NumOfProps   int16
+	Props        []prop
+}
+
+type prop struct {
+	SendPropType  int8
+	SendPropName  string
+	SendPropFlags int32
+	Priority      int8
+	ExcludeDtName string
+	LowValue      float32
+	HighValue     float32
+	NumBits       int32
+	NumElements   int32
+}
+
+type sendPropFlag int
+
+const (
+	Unsigned sendPropFlag = iota
+	Coord
+	NoScale
+	RoundDown
+	RoundUp
+	Normal
+	Exclude
+	Xyze
+	InsideArray
+	ProxyAlwaysYes
+	IsVectorElem
+	Collapsible
+	CoordMp
+	CoordMpLp // low precision
+	CoordMpInt
+	CellCoord
+	CellCoordLp
+	CellCoordInt
+	ChangesOften
+)
+
+type sendPropType int
+
+const (
+	Int sendPropType = iota
+	Float
+	Vector3
+	Vector2
+	String
+	Array
+	DataTable
+)
+
+func ParseSendTable(reader *bitreader.ReaderType) SendTable {
+	sendTable := SendTable{
+		NeedsDecoder: reader.TryReadBool(),
+		NetTableName: reader.TryReadString(),
+		NumOfProps:   int16(reader.TryReadBits(10)),
+		// SendPropType:  int8(reader.TryReadBits(5)),
+		// SendPropName:  reader.TryReadString(),
+		// SendPropFlags: int16(reader.TryReadBits(16)),
+	}
+	if sendTable.NumOfProps < 0 {
+		return sendTable
+	}
+	for count := 0; count < int(sendTable.NumOfProps); count++ {
+		propType := int8(reader.TryReadBits(5))
+		if propType >= int8(7) {
+			return sendTable
+		}
+		prop := prop{
+			SendPropType:  propType,
+			SendPropName:  reader.TryReadString(),
+			SendPropFlags: int32(reader.TryReadBits(19)),
+			Priority:      int8(reader.TryReadBits(8)),
+		}
+		if propType == int8(DataTable) || CheckBit(int64(prop.SendPropFlags), int(Exclude)) {
+			prop.ExcludeDtName = reader.TryReadString()
+		} else {
+			switch propType {
+			case int8(String), int8(Int), int8(Float), int8(Vector3), int8(Vector2):
+				prop.LowValue = reader.TryReadFloat32()
+				prop.HighValue = reader.TryReadFloat32()
+				prop.NumBits = int32(reader.TryReadBits(7))
+			case int8(Array):
+				prop.NumElements = int32(reader.TryReadBits(10))
+			default:
+				return sendTable
+			}
+		}
+		sendTable.Props = append(sendTable.Props, prop)
+	}
+	return sendTable
+}
+
+func CheckBit(val int64, bit int) bool {
+	return (val & (int64(1) << bit)) != 0
+}
-- 
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