replaced int by int8

Author: RubikNube

cmd/engine/random_engine.go

@@ -12,8 +12,8 @@ type RandomEngine struct{}
 
 func (e *RandomEngine) Move(board game.Board, player game.FieldState, ko *game.Point) *game.Point {
 	empty := []game.Point{}
-	for i := 0; i < 9; i++ {
-		for j := 0; j < 9; j++ {
+	for i := int8(0); i < 9; i++ {
+		for j := int8(0); j < 9; j++ {
 			if board[i][j] == game.Empty {
 				empty = append(empty, game.Point{Row: int8(i), Col: int8(j)})
 			}

cmd/game/gui.go

@@ -52,18 +52,19 @@ func (g *Gui) Refresh() {
 	print("\033[?25h") // Show cursor
 }
 
-func (g *Gui) DrawGridToWriter(w io.Writer, cursorRow, cursorCol int) {
+func (g *Gui) DrawGridToWriter(w io.Writer, cursorRow, cursorCol int8) {
 	// Column labels
 	fmt.Fprint(w, "   ")
-	for j := range g.Grid[0] {
+	for j := int8(0); j < int8(len(g.Grid[0])); j++ {
 		fmt.Fprintf(w, " %c  ", 'A'+j)
 	}
 	fmt.Fprintln(w)
 
-	for i, row := range g.Grid {
-		// Row label
+	for i := int8(0); i < int8(len(g.Grid)); i++ {
+		row := g.Grid[i]
 		fmt.Fprintf(w, "%2d ", i+1)
-		for j, cellVal := range row {
+		for j := int8(0); j < int8(len(row)); j++ {
+			cellVal := row[j]
 			stone := cellVal.String()
 			if g.Grid[i][j] != Empty {
 				stone = g.Grid[i][j].String()

main.go

@@ -18,13 +18,13 @@ type Config struct {
 }
 
 var (
-	cursorRow, cursorCol int
+	cursorRow, cursorCol int8
 	gui                  game.Gui
 	keybindings          map[string]string
 	prevBoard            *game.Board       // Track previous board for Ko rule
-	currentPlayer        int           = 1 // Track current player (1 or 2), start with Black
+	currentPlayer        int8          = 1 // Track current player (1 or 2), start with Black
 	koPoint              *game.Point       // Track Ko point (nil if no Ko)
-	passCount            int               // Track consecutive passes
+	passCount            int8              // Track consecutive passes
 	gameOver             bool              // Track if the game is over
 	engineEnabled        bool              // Play against engine if true
 	selectedEngine       engine.Engine     // The engine instance
@@ -70,7 +70,7 @@ func layout(g *gocui.Gui) error {
 	return nil
 }
 
-func moveCursor(dRow, dCol int, jumpOverOccupied bool) func(*gocui.Gui, *gocui.View) error {
+func moveCursor(dRow, dCol int8, jumpOverOccupied bool) func(*gocui.Gui, *gocui.View) error {
 	return func(g *gocui.Gui, v *gocui.View) error {
 		nextRow, nextCol := cursorRow, cursorCol
 		for {
@@ -191,7 +191,7 @@ func placeStone(g *gocui.Gui, v *gocui.View) error {
 	// Ko rule and legality check: resulting board must not match prevBoard
 	if prevBoard != nil {
 		same := true
-		for i := range nextBoard {
+		for i := int8(0); i < int8(len(nextBoard)); i++ {
 			if nextBoard[i] != (*prevBoard)[i] {
 				same = false
 				break