starting fresh for the third time

3 files changed, 121 insertions, 12 deletions

diff --git a/packets/header.go b/packets/header.go
new file mode 100644
index 0000000..60cd146
--- /dev/null
+++ b/packets/header.go
@@ -0,0 +1,33 @@
+package packets
+
+import (
+        "fmt"
+
+        "github.com/pektezol/bitreader"
+)
+
+func ParseHeader(reader *bitreader.ReaderType) {
+        header := Header{
+                DemoFileStamp:   reader.TryReadStringLen(8),
+                DemoProtocol:    uint(reader.TryReadInt32()),
+                NetworkProtocol: uint(reader.TryReadInt32()),
+                ServerName:      reader.TryReadStringLen(260),
+                ClientName:      reader.TryReadStringLen(260),
+                MapName:         reader.TryReadStringLen(260),
+                GameDirectory:   reader.TryReadStringLen(260),
+                PlaybackTime:    reader.TryReadFloat32(),
+                PlaybackTicks:   int(reader.TryReadInt32()),
+                PlaybackFrames:  int(reader.TryReadInt32()),
+                SignOnLength:    uint(reader.TryReadInt32()),
+        }
+        if header.DemoFileStamp != "HL2DEMO" {
+                panic("Invalid demo file stamp. Make sure a valid demo file is given.")
+        }
+        if header.DemoProtocol != 4 {
+                panic("Given demo is from old engine. This parser is only supported for new engine.")
+        }
+        if header.NetworkProtocol != 2001 {
+                panic("Given demo is not from Portal2. This parser currently only supports Portal 2.")
+        }
+        fmt.Println(header)
+}
diff --git a/packets/message.go b/packets/message.go
new file mode 100644
index 0000000..a8e830d
--- /dev/null
+++ b/packets/message.go
@@ -0,0 +1,64 @@
+package packets
+
+import (
+        "fmt"
+
+        "github.com/pektezol/bitreader"
+)
+
+func ParseMessage(reader *bitreader.ReaderType) (status int) {
+        messageType := reader.TryReadInt8()
+        messageTick := reader.TryReadInt32()
+        messageSlot := reader.TryReadInt8()
+        //fmt.Println(messageType, messageTick, messageSlot)
+        switch messageType {
+        case 0x01:
+                //signOn := SignOn{}
+                reader.SkipBytes(76*2 + 8)
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                fmt.Printf("[%d] (%d) {%d} SignOn: \n", messageTick, messageType, messageSlot)
+                return 1
+        case 0x02:
+                reader.SkipBytes(76*2 + 8)
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                // fmt.Printf("[%d] (%d) Packet: \n", messageTick, messageType)
+                return 2
+        case 0x03:
+                fmt.Printf("[%d] (%d) SyncTick: \n", messageTick, messageType)
+                return 3
+        case 0x04:
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                // fmt.Printf("[%d] (%d) ConsoleCmd: \n", messageTick, messageType)
+                return 4
+        case 0x05:
+                reader.SkipBytes(4)
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                // fmt.Printf("[%d] (%d) UserCmd: \n", messageTick, messageType)
+                return 5
+        case 0x06:
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                // fmt.Printf("[%d] (%d) DataTables: \n", messageTick, messageType)
+                return 6
+        case 0x07:
+                fmt.Printf("[%d] (%d) Stop: \n", messageTick, messageType)
+                return 7
+        case 0x08:
+                reader.SkipBytes(4)
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                // fmt.Printf("[%d] (%d) CustomData: \n", messageTick, messageType)
+                return 8
+        case 0x09:
+                val := reader.TryReadInt32()
+                reader.SkipBytes(int(val))
+                // fmt.Printf("[%d] (%d) StringTables: \n", messageTick, messageType)
+                return 9
+        default:
+                return 0
+        }
+}
diff --git a/messages/types.go b/packets/types.go
index 9c92c54..5f7a29b 100644
--- a/messages/types.go
+++ b/packets/types.go
@@ -1,29 +1,37 @@
-package messages
-
-import "github.com/pektezol/demoparser/classes"
+package packets
 
 type Header struct {
         DemoFileStamp   string
-        DemoProtocol    int32
-        NetworkProtocol int32
+        DemoProtocol    uint
+        NetworkProtocol uint
         ServerName      string
         ClientName      string
         MapName         string
         GameDirectory   string
         PlaybackTime    float32
-        PlaybackTicks   int32
-        PlaybackFrames  int32
-        SignOnLength    int32
+        PlaybackTicks   int
+        PlaybackFrames  int
+        SignOnLength    uint
+}
+
+type SignOn struct {
+        PacketInfo  []byte
+        InSequence  int32
+        OutSequence int32
+        Size        int32
+        Data        []byte
 }
 
 type Packet struct {
-        PacketInfo  []classes.CmdInfo
+        PacketInfo  []byte
         InSequence  int32
         OutSequence int32
         Size        int32
         Data        []byte
 }
 
+type SyncTick struct{}
+
 type ConsoleCmd struct {
         Size int32
         Data string
@@ -32,12 +40,16 @@ type ConsoleCmd struct {
 type UserCmd struct {
         Cmd  int32
         Size int32
-        Data classes.UserCmdInfo
+        Data []byte
 }
 
 type DataTables struct {
         Size int32
-        Data classes.DataTables
+        Data []byte
+}
+
+type Stop struct {
+        RemainingData []byte
 }
 
 type CustomData struct {
@@ -48,5 +60,5 @@ type CustomData struct {
 
 type StringTables struct {
         Size int32
-        Data []classes.StringTable
+        Data []byte
 }