setup link between frontend and client to send move actions

actions/actions.go

@@ -0,0 +1,17 @@
+package actions
+
+import (
+	"github.com/google/uuid"
+	"time"
+)
+
+type Action interface{}
+
+type Direction int
+
+type MoveAction struct {
+	Action
+	Direction Direction
+	ID        uuid.UUID
+	Created   time.Time
+}

client/client.go

@@ -2,6 +2,7 @@ package client
 
 import (
 	"context"
+	"gameclient/actions"
 	"gameclient/frontend"
 	"gameclient/proto"
 	"github.com/google/uuid"
@@ -13,10 +14,11 @@ type GameClient struct {
 	CurrentPlayer uuid.UUID
 	Stream        proto.GameBackend_StreamClient
 	View          *frontend.View
+	actionChannel chan actions.Action
 }
 
-func NewGameClient() *GameClient {
-	return &GameClient{}
+func NewGameClient(actionChannel chan actions.Action) *GameClient {
+	return &GameClient{actionChannel: actionChannel}
 }
 
 func (gc *GameClient) Connect(grpcClient proto.GameBackendClient, playerID uuid.UUID, password string, playerName string) error {
@@ -50,6 +52,7 @@ func (gc *GameClient) Connect(grpcClient proto.GameBackendClient, playerID uuid.
 func (gc *GameClient) Start() {
 	//write a loop to handle changes like moves, etc
 
+	//receiving from game server
 	go func() {
 		for {
 			resp, err := gc.Stream.Recv()
@@ -66,6 +69,21 @@ func (gc *GameClient) Start() {
 		}
 	}()
 
+	// little test func for sending to server to validate stream
+	go func() {
+		for {
+			action := <-gc.actionChannel
+			switch action.(type) {
+			case actions.MoveAction:
+				d := action.(actions.MoveAction).Direction
+				err := gc.Stream.Send(&proto.Request{Action: &proto.Request_Move{Move: &proto.Move{Direction: proto.Direction(d)}}})
+				if err != nil {
+					logrus.Error(err)
+				}
+			}
+		}
+	}()
+
 	//for {
 	//	logrus.Infof("Client: %s is Connected", gc.CurrentPlayer)
 	//	time.Sleep(10 * time.Second)

frontend/frontend.go

@@ -1,10 +1,10 @@
 package frontend
 
 import (
+	"gameclient/actions"
 	"github.com/gdamore/tcell/v2"
 	"github.com/google/uuid"
 	"github.com/rivo/tview"
-	"github.com/sirupsen/logrus"
 	"time"
 )
 
@@ -23,16 +23,18 @@ type View struct {
 	pages         *tview.Pages
 	drawCallbacks []func()
 	viewPort      tview.Primitive
+	actionChannel chan actions.Action
 	Done          chan error
 }
 
-func NewView() *View {
+func NewView(actionChannel chan actions.Action) *View {
 	app := tview.NewApplication()
 	pages := tview.NewPages()
 	view := &View{
 		App:           app,
 		pages:         pages,
 		drawCallbacks: make([]func(), 0),
+		actionChannel: actionChannel,
 		Done:          make(chan error),
 	}
 
@@ -96,13 +98,30 @@ func setupViewPort(view *View) {
 	box.SetInputCapture(func(e *tcell.EventKey) *tcell.EventKey {
 		switch e.Key() {
 		case tcell.KeyUp:
-			logrus.Info("Up key was pressed")
+			view.actionChannel <- actions.MoveAction{
+				Direction: 0,
+				ID:        view.CurrentPlayer,
+				Created:   time.Now(),
+			}
 		case tcell.KeyDown:
-			logrus.Info("Down key was pressed")
-		case tcell.KeyRight:
-			logrus.Info("Right key was pressed")
+			view.actionChannel <- actions.MoveAction{
+				Direction: 1,
+				ID:        view.CurrentPlayer,
+				Created:   time.Now(),
+			}
 		case tcell.KeyLeft:
-			logrus.Info("Left key was pressed")
+			view.actionChannel <- actions.MoveAction{
+				Direction: 2,
+				ID:        view.CurrentPlayer,
+				Created:   time.Now(),
+			}
+		case tcell.KeyRight:
+			view.actionChannel <- actions.MoveAction{
+				Direction: 3,
+				ID:        view.CurrentPlayer,
+				Created:   time.Now(),
+			}
+
 		}
 		return e
 	})

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"gameclient/actions"
 	"gameclient/client"
 	"gameclient/frontend"
 	"gameclient/proto"
@@ -82,7 +83,9 @@ func main() {
 	app := loginApp(&info)
 	app.Run()
 
-	view := frontend.NewView()
+	actionChannel := make(chan actions.Action, 1)
+
+	view := frontend.NewView(actionChannel)
 
 	var opts []grpc.DialOption
 	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
@@ -94,7 +97,7 @@ func main() {
 	defer conn.Close()
 
 	grpcClient := proto.NewGameBackendClient(conn)
-	c := client.NewGameClient()
+	c := client.NewGameClient(actionChannel)
 	playerID := uuid.New()
 	logrus.Info(playerID)