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Add one-player mode
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@Ruben9922
Ruben9922 committed Jun 2, 2023
1 parent f909efc commit cc58e9a
Showing 1 changed file with 107 additions and 29 deletions.
136 changes: 107 additions & 29 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ type vector2d struct {
y int
}

var blankVector2d vector2d = vector2d{-1, -1}

type player int

const (
Expand Down Expand Up @@ -53,13 +55,25 @@ type view int

const (
PointSelection view = iota
PointSelectionComputer
PointConfirmation
TitleView
QuitConfirmation
GameOverView
PassView
)

type playerMode int

const (
OnePlayer playerMode = iota
TwoPlayer
)

func (pm playerMode) String() string {
return [...]string{"1-Player", "2-Player"}[pm]
}

type model struct {
grid grid
selectedPoint vector2d
Expand All @@ -69,6 +83,7 @@ type model struct {
windowSize vector2d
availablePoints []vector2d
rules rules
playerMode playerMode
}

func newGrid(r rules) *grid {
Expand Down Expand Up @@ -102,6 +117,7 @@ func initialModelForRules(r rules) model {
disksFlipped: make([]vector2d, 0),
availablePoints: getAvailablePoints(g, initialPlayer, r),
rules: r,
playerMode: OnePlayer,
}
}

Expand All @@ -113,6 +129,30 @@ func (m model) Init() tea.Cmd {
return nil
}

func isComputerTurn(m model) bool {
if m.playerMode == OnePlayer && m.currentPlayer == LightPlayer {
return true
}

return false
}

func flipSelectedPoint(m *model) {
m.grid[m.selectedPoint.y][m.selectedPoint.x] = m.currentPlayer
}

func takeTurn(m *model) {
if slices.Contains(m.availablePoints, m.selectedPoint) {
flipSelectedPoint(m)

pointsToFlip := getPointsToFlip(m.grid, m.selectedPoint, m.currentPlayer)
flip(&m.grid, pointsToFlip, m.currentPlayer)
m.disksFlipped = pointsToFlip

m.view = PointConfirmation
}
}

func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyMsg:
Expand All @@ -134,16 +174,10 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.selectedPoint.x++
m.selectedPoint.x = (m.selectedPoint.x + gridWidth) % gridWidth
case "enter", " ":
if slices.Contains(m.availablePoints, m.selectedPoint) {
m.grid[m.selectedPoint.y][m.selectedPoint.x] = m.currentPlayer

pointsToFlip := getPointsToFlip(m.grid, m.selectedPoint, m.currentPlayer)
flip(&m.grid, pointsToFlip, m.currentPlayer)
m.disksFlipped = pointsToFlip

m.view = PointConfirmation
}
takeTurn(&m)
}
case PointSelectionComputer:
takeTurn(&m)
case PointConfirmation:
// Update current player *after* displaying PointConfirmation view
m.currentPlayer = toggleCurrentPlayer(m.currentPlayer)
Expand All @@ -170,13 +204,21 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.view = PassView
}
} else {
m.view = PointSelection
if isComputerTurn(m) {
m.view = PointSelectionComputer
m.selectedPoint = computeBestPoint(m)
flipSelectedPoint(&m)
} else {
m.view = PointSelection
}
}
case TitleView:
switch msg.String() {
case "r":
m.rules = toggleRules(m.rules)
return initialModelForRules(m.rules), nil
case "p":
m.playerMode = togglePlayerMode(m.playerMode)
default:
m.view = PointSelection
}
Expand Down Expand Up @@ -209,6 +251,21 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
return m, nil
}

func computeBestPoint(m model) vector2d {
var bestPoint vector2d
var maxFlippedPointsCount int

for _, p := range m.availablePoints {
flippedPointsCount := len(getPointsToFlip(m.grid, p, m.currentPlayer))
if flippedPointsCount > maxFlippedPointsCount {
bestPoint = p
maxFlippedPointsCount = flippedPointsCount
}
}

return bestPoint
}

func toggleCurrentPlayer(currentPlayer player) player {
if currentPlayer == DarkPlayer {
return LightPlayer
Expand All @@ -225,6 +282,14 @@ func toggleRules(r rules) rules {
return ReversiRules
}

func togglePlayerMode(pm playerMode) playerMode {
if pm == OnePlayer {
return TwoPlayer
}

return OnePlayer
}

func getNonBlankPoints(g grid) []vector2d {
nonBlankPoints := make([]vector2d, 0)
for i, row := range g {
Expand Down Expand Up @@ -405,17 +470,19 @@ func (m model) View() string {
maxTextWidth := m.windowSize.x - ((gridWidth * 2) - 1) - 14
switch m.view {
case TitleView:
text = createTitleView(maxTextWidth, m.rules)
text = createTitleView(maxTextWidth, m.rules, m.playerMode)
case QuitConfirmation:
text = createQuitConfirmationView(maxTextWidth)
case GameOverView:
text = createGameOverView(m, scores, maxTextWidth)
case PointSelection:
text = createPointSelectionView(m, scores, maxTextWidth)
text = createPointSelectionView(m, scores, maxTextWidth, false)
case PointConfirmation:
text = createPointConfirmationView(m, scores, maxTextWidth)
case PassView:
text = createPassView(m, maxTextWidth)
case PointSelectionComputer:
text = createPointSelectionView(m, scores, maxTextWidth, true)
}

return lipgloss.NewStyle().
Expand All @@ -428,7 +495,7 @@ func createGridView(m model) string {
for i, row := range m.grid {
for j, cell := range row {
point := vector2d{j, i}
if m.view == PointSelection && point == m.selectedPoint {
if (m.view == PointSelection || m.view == PointSelectionComputer) && point == m.selectedPoint {
switch cell {
case DarkPlayer:
gridStringBuilder.WriteString(selectedDarkPlayerStyle.Render("X"))
Expand All @@ -437,7 +504,8 @@ func createGridView(m model) string {
default:
gridStringBuilder.WriteString(selectedBlankStyle.Render(" "))
}
} else if m.view == PointConfirmation && m.grid[point.y][point.x] != Blank && !slices.Contains(m.disksFlipped, point) {
} else if (m.view == PointConfirmation && m.grid[point.y][point.x] != Blank && !slices.Contains(m.disksFlipped, point)) ||
(m.view == PointSelectionComputer && m.grid[point.y][point.x] != Blank && point != m.selectedPoint) {
switch cell {
case DarkPlayer:
gridStringBuilder.WriteString(highlightedDarkPlayerStyle.Render("X"))
Expand Down Expand Up @@ -478,7 +546,7 @@ func createGridView(m model) string {
Render(gridStringBuilder.String())
}

func createTitleView(maxWidth int, r rules) string {
func createTitleView(maxWidth int, r rules, pm playerMode) string {
title := fmt.Sprintf(` ____ _
| _ \ _____ _____ _ __ ___(_)
| |_) / _ \ \ / / _ \ '__/ __| |
Expand All @@ -490,13 +558,14 @@ func createTitleView(maxWidth int, r rules) string {

textStrings := []string{
"",
fmt.Sprintf("Press P to toggle between 1-player and 2-player modes \n(currently %s)", pm),
fmt.Sprintf("Press R to toggle between Othello and Reversi rules\n(currently %s)", r),
"",
"Press any other key to start...",
"",
lipgloss.NewStyle().
Foreground(lipgloss.Color("241")).
Render("r: toggle rules • any other key: continue"),
Render("r: toggle rules • p: toggle player mode • any other key: continue"),
}
text := lipgloss.NewStyle().
Width(maxWidth).
Expand Down Expand Up @@ -562,27 +631,36 @@ func createGameOverView(m model, scores map[player]int, maxWidth int) string {
Render(lipgloss.JoinVertical(lipgloss.Left, textStrings...))
}

func createPointSelectionView(m model, scores map[player]int, maxWidth int) string {
func createPointSelectionView(m model, scores map[player]int, maxWidth int, isComputerTurn bool) string {
textStrings := make([]string, 0, 7)

textStrings = append(textStrings, createTurnText(m.currentPlayer))
textStrings = append(textStrings, createGameStatusText(scores))
textStrings = append(textStrings, "", "Choose where to place your disk")
textStrings = append(textStrings, "")

if slices.Contains(m.availablePoints, m.selectedPoint) {
textStrings = append(textStrings, lipgloss.NewStyle().
Foreground(lipgloss.Color("#00cc00")).
Render("Can place disk here"))
if isComputerTurn {
textStrings = append(textStrings, "Computer places disk here")
textStrings = append(textStrings, "", lipgloss.NewStyle().
Foreground(lipgloss.Color("241")).
Render("arrow keys: move • enter: place tile • q: exit"))
Render("any key: continue"))
} else {
textStrings = append(textStrings, lipgloss.NewStyle().
Foreground(lipgloss.Color("#cc0000")).
Render("Cannot place disk here"))
textStrings = append(textStrings, "", lipgloss.NewStyle().
Foreground(lipgloss.Color("241")).
Render("arrow keys: move • q: exit"))
textStrings = append(textStrings, "Choose where to place your disk")

if slices.Contains(m.availablePoints, m.selectedPoint) {
textStrings = append(textStrings, lipgloss.NewStyle().
Foreground(lipgloss.Color("#00cc00")).
Render("Can place disk here"))
textStrings = append(textStrings, "", lipgloss.NewStyle().
Foreground(lipgloss.Color("241")).
Render("arrow keys: move • enter: place tile • q: exit"))
} else {
textStrings = append(textStrings, lipgloss.NewStyle().
Foreground(lipgloss.Color("#cc0000")).
Render("Cannot place disk here"))
textStrings = append(textStrings, "", lipgloss.NewStyle().
Foreground(lipgloss.Color("241")).
Render("arrow keys: move • q: exit"))
}
}

return lipgloss.NewStyle().
Expand Down

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