Change guide message on win

backend/grid/grid.go

@@ -108,7 +108,7 @@ func (g *Grid) Outcome() Outcome {
 	switch {
 	case g.isLoss():
 		return Lose
-	case g.highestTile() >= 2048:
+	case g.HighestTile() >= 2048:
 		return Win
 	default:
 		return None
@@ -266,8 +266,8 @@ func (g *Grid) isLoss() bool {
 	return true
 }
 
-// highestTile returns the value of the highest tile on the grid.
-func (g *Grid) highestTile() int {
+// HighestTile returns the value of the highest tile on the grid.
+func (g *Grid) HighestTile() int {
 	highest := 0
 	for a := range gridHeight {
 		for b := range gridWidth {

common/arena.go

@@ -114,8 +114,7 @@ func NewArena(pos turdgl.Vec) *Arena {
 }
 
 // Destroy tears down the arena.
-func (a *Arena) Destroy() {
-}
+func (a *Arena) Destroy() {}
 
 // Draw draws the arena.
 func (a *Arena) Draw(buf *turdgl.FrameBuffer) {

screen/multiplayer.go

@@ -36,8 +36,7 @@ type MultiplayerScreen struct {
 	opponentArena   *common.Arena
 	opponentBackend *backend.Game
 
-	// TODO: find a neater way of doing client/server polymorphism
-	// but don't forget to account for 1 server -> multiple clients
+	// EITHER server or client will exist
 	server *turdserve.Server
 	client *turdserve.Client
 }

screen/singleplayer.go

@@ -210,12 +210,12 @@ func (s *SingleplayerScreen) Update() {
 
 	// Check for win or lose
 	switch game.Grid.Outcome() {
-	case grid.None:
-		s.updateNormal(game)
 	case grid.Win:
 		s.updateWin(game)
 	case grid.Lose:
 		s.updateLose(game)
+	default:
+		s.updateNormal(game)
 	}
 
 	// Draw temporary debug grid
@@ -255,7 +255,9 @@ func (s *SingleplayerScreen) updateNormal(game backend.Game) {
 
 // updateWin updates and draws the singleplayer screen in a winning state.
 func (s *SingleplayerScreen) updateWin(game backend.Game) {
-	// No special win screen for now
+	s.guide.SetText(
+		fmt.Sprintf("Your next goal is to get to the %d tile!", game.Grid.HighestTile()*2),
+	)
 	s.updateNormal(game)
 }