Add vendor (steam)

vendor/github.com/Philipp15b/go-steam/tf2/tf2.go

@@ -0,0 +1,75 @@
+/*
+Provides access to TF2 Game Coordinator functionality.
+*/
+package tf2
+
+import (
+	"github.com/Philipp15b/go-steam"
+	. "github.com/Philipp15b/go-steam/protocol/gamecoordinator"
+	. "github.com/Philipp15b/go-steam/tf2/protocol"
+	"github.com/Philipp15b/go-steam/tf2/protocol/protobuf"
+)
+
+const AppId = 440
+
+// To use any methods of this, you'll need to SetPlaying(true) and wait for
+// the GCReadyEvent.
+type TF2 struct {
+	client *steam.Client
+}
+
+// Creates a new TF2 instance and registers it as a packet handler
+func New(client *steam.Client) *TF2 {
+	t := &TF2{client}
+	client.GC.RegisterPacketHandler(t)
+	return t
+}
+
+func (t *TF2) SetPlaying(playing bool) {
+	if playing {
+		t.client.GC.SetGamesPlayed(AppId)
+	} else {
+		t.client.GC.SetGamesPlayed()
+	}
+}
+
+func (t *TF2) SetItemPosition(itemId, position uint64) {
+	t.client.GC.Write(NewGCMsg(AppId, uint32(protobuf.EGCItemMsg_k_EMsgGCSetSingleItemPosition), &MsgGCSetItemPosition{
+		itemId, position,
+	}))
+}
+
+// recipe -2 = wildcard
+func (t *TF2) CraftItems(items []uint64, recipe int16) {
+	t.client.GC.Write(NewGCMsg(AppId, uint32(protobuf.EGCItemMsg_k_EMsgGCCraft), &MsgGCCraft{
+		Recipe: recipe,
+		Items:  items,
+	}))
+}
+
+func (t *TF2) DeleteItem(itemId uint64) {
+	t.client.GC.Write(NewGCMsg(AppId, uint32(protobuf.EGCItemMsg_k_EMsgGCDelete), &MsgGCDeleteItem{itemId}))
+}
+
+func (t *TF2) NameItem(toolId, target uint64, name string) {
+	t.client.GC.Write(NewGCMsg(AppId, uint32(protobuf.EGCItemMsg_k_EMsgGCNameItem), &MsgGCNameItem{
+		toolId, target, name,
+	}))
+}
+
+type GCReadyEvent struct{}
+
+func (t *TF2) HandleGCPacket(packet *GCPacket) {
+	if packet.AppId != AppId {
+		return
+	}
+	switch protobuf.EGCBaseClientMsg(packet.MsgType) {
+	case protobuf.EGCBaseClientMsg_k_EMsgGCClientWelcome:
+		t.handleWelcome(packet)
+	}
+}
+
+func (t *TF2) handleWelcome(packet *GCPacket) {
+	// the packet's body is pretty useless
+	t.client.Emit(&GCReadyEvent{})
+}