Compare commits
No commits in common. "develop" and "v0.1.2" have entirely different histories.
1
.gitignore
vendored
1
.gitignore
vendored
@ -2,4 +2,3 @@
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!assets/*.png
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.env
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*.sqlite3
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chessbot
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13
Makefile
13
Makefile
@ -1,13 +0,0 @@
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.PHONY: build test
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SOURCES := main.go $(shell find chess -name '*.go')
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build: chessbot
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chessbot: $(SOURCES)
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go build -o chessbot .
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test:
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## -count=1 is used to disable cache
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## use -run <regexp> to only run tests that match <regexp>
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go test ./chess -v -count=1
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@ -12,7 +12,6 @@ import (
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"golang.org/x/image/font"
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"golang.org/x/image/font/basicfont"
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"golang.org/x/image/font/opentype"
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"golang.org/x/image/math/fixed"
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)
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@ -20,11 +19,6 @@ type Board struct {
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tiles [8][8]*Piece
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turn Color
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Moves []string
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moveIndicators []Tile
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}
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type Tile struct {
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X, Y int
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}
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func NewBoard() *Board {
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@ -107,7 +101,7 @@ func (b *Board) Image() *image.RGBA {
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x := xi * 128
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y := yi * 128
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rect = image.Rect(x, y, x+128, y+128)
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bg = image.NewUniform(getTileColor(b, xi, yi))
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bg = image.NewUniform(getTileColor(xi, yi))
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draw.Draw(img, rect, bg, p, draw.Src)
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piece = b.tiles[xi][yi]
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@ -192,23 +186,17 @@ func drawCoordinate(img *image.RGBA, x, y int, flipped bool) {
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}
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drawString := func(s string, origin fixed.Point26_6) {
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color := getTileColor(nil, x, y)
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color := getTileColor(x, y)
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if !flipped && color == Light {
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color = Dark
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} else if !flipped {
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color = Light
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}
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face, err := loadFontFace("lightningvolt.ttf")
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if err != nil {
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log.Printf("error loading font: %v\n", err)
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face = basicfont.Face7x13
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}
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// TODO: use SN font and make it bold
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d := &font.Drawer{
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Dst: img,
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Src: image.NewUniform(color),
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Face: face,
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Face: basicfont.Face7x13,
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Dot: origin,
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}
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d.DrawString(s)
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@ -221,36 +209,11 @@ func drawCoordinate(img *image.RGBA, x, y int, flipped bool) {
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}
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if row != "" {
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origin = fixed.P((x+1)*128-20, y*128+23)
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origin = fixed.P((x+1)*128-12, y*128+15)
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drawString(row, origin)
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}
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}
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func loadFontFace(path string) (font.Face, error) {
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fontBytes, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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ttfFont, err := opentype.Parse(fontBytes)
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if err != nil {
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return nil, err
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}
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faceOptions := &opentype.FaceOptions{
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Size: 32,
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DPI: 72,
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Hinting: font.HintingNone,
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}
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fontFace, err := opentype.NewFace(ttfFont, faceOptions)
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if err != nil {
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return nil, err
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}
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return fontFace, nil
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}
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func (b *Board) SetPiece(name PieceName, color Color, position string) error {
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var (
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piece *Piece
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@ -397,7 +360,7 @@ func (b *Board) Move(move string) error {
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}
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// make sure the move is marked as a check if it was
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if b.InCheck() && !strings.HasSuffix(move, "+") && !strings.HasSuffix(move, "#") {
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if b.InCheck() && !strings.HasSuffix(move, "+") {
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move += "+"
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}
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@ -416,7 +379,6 @@ func parseMove(move string) (string, int, int, string, error) {
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)
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move = strings.TrimSuffix(move, "+")
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move = strings.TrimSuffix(move, "#")
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if move == "O-O" {
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return "K", 5, 7, "g1", nil
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@ -839,7 +801,6 @@ func (b *Board) movePawn(position string, fromX int, fromY int, promotion string
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if promotion != "" {
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return b.promotePawn(toX, toY, promotion)
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}
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b.moveIndicators = []Tile{{fromX, fromY}, {toX, toY}}
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return nil
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}
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@ -862,7 +823,6 @@ func (b *Board) movePawn(position string, fromX int, fromY int, promotion string
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if promotion != "" {
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return b.promotePawn(toX, toY, promotion)
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}
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b.moveIndicators = []Tile{{toX, yPrev}, {toX, toY}}
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return nil
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}
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@ -879,7 +839,6 @@ func (b *Board) movePawn(position string, fromX int, fromY int, promotion string
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if promotion != "" {
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return b.promotePawn(toX, toY, promotion)
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}
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b.moveIndicators = []Tile{{toX, yPrev}, {toX, toY}}
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return nil
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}
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@ -989,7 +948,6 @@ func (b *Board) moveRook(position string, queen bool, fromX int, fromY int) erro
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p = b.getPiece(xPrev, yPrev)
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b.tiles[x][y] = p
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b.tiles[xPrev][yPrev] = nil
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1020,7 +978,6 @@ func (b *Board) moveBishop(position string, queen bool) error {
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if ((!queen && piece.Name == Bishop) || (queen && piece.Name == Queen)) && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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} else {
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// direction blocked by other piece
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@ -1039,7 +996,6 @@ func (b *Board) moveBishop(position string, queen bool) error {
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if ((!queen && piece.Name == Bishop) || (queen && piece.Name == Queen)) && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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} else {
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break
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@ -1057,7 +1013,6 @@ func (b *Board) moveBishop(position string, queen bool) error {
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if ((!queen && piece.Name == Bishop) || (queen && piece.Name == Queen)) && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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} else {
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break
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@ -1075,7 +1030,6 @@ func (b *Board) moveBishop(position string, queen bool) error {
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if ((!queen && piece.Name == Bishop) || (queen && piece.Name == Queen)) && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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} else {
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break
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@ -1169,7 +1123,6 @@ func (b *Board) moveKnight(position string, fromX int, fromY int) error {
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p = b.getPiece(xPrev, yPrev)
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b.tiles[x][y] = p
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b.tiles[xPrev][yPrev] = nil
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1241,8 +1194,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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b.tiles[5][y] = rook
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b.tiles[7][y] = nil
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b.moveIndicators = []Tile{{4, y}, {x, y}, {5, y}, {7, y}}
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return nil
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}
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@ -1276,8 +1227,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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b.tiles[3][y] = rook
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b.tiles[0][y] = nil
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b.moveIndicators = []Tile{{2, y}, {4, y}, {3, y}, {0, y}}
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return nil
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}
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}
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@ -1289,7 +1238,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1300,7 +1248,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1311,7 +1258,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1322,7 +1268,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1333,7 +1278,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1344,7 +1288,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1355,7 +1298,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1366,7 +1308,6 @@ func (b *Board) moveKing(position string, castle bool) error {
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if piece != nil && piece.Name == King && piece.Color == b.turn {
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b.tiles[xPrev][yPrev] = nil
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b.tiles[x][y] = piece
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b.moveIndicators = []Tile{{xPrev, yPrev}, {x, y}}
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return nil
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}
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@ -1451,25 +1392,8 @@ func (b *Board) getCollision(position string) (*Piece, error) {
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return nil, nil
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}
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func getTileColor(b *Board, x, y int) Color {
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lightTile := x%2 == y%2
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if b != nil {
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// highlight move
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// TODO: refactor using alpha channels
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for _, t := range b.moveIndicators {
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if t.X == x && t.Y == y {
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if lightTile {
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return LightGreen
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} else {
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return DarkGreen
|
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}
|
||||
}
|
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}
|
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}
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|
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if lightTile {
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func getTileColor(x, y int) Color {
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if x%2 == y%2 {
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return Light
|
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} else {
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return Dark
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@ -472,22 +472,6 @@ func TestBoardCheck(t *testing.T) {
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assertParse(t, b, "Kxf7")
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}
|
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func TestBoardCheckmate(t *testing.T) {
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t.Parallel()
|
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|
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b := chess.NewBoard()
|
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assert.False(t, b.InCheck())
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|
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// fool's mate
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assertParse(t, b, "f3 e6 g4 Qh4#")
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assert.True(t, b.InCheck())
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assert.True(t, strings.HasSuffix(b.Moves[len(b.Moves)-1], "#"), "checkmate move should end with #")
|
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|
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assertMoveError(t, b, "a3", "invalid move a3: king is in check")
|
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}
|
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|
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func TestBoardPin(t *testing.T) {
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t.Parallel()
|
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|
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|
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@ -60,8 +60,6 @@ type Color color.Color
|
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var (
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Light Color = color.RGBA{240, 217, 181, 255}
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Dark Color = color.RGBA{181, 136, 99, 255}
|
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LightGreen Color = color.RGBA{205, 210, 106, 255}
|
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DarkGreen Color = color.RGBA{170, 162, 58, 255}
|
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)
|
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|
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func NewPiece(name PieceName, color Color) (*Piece, error) {
|
||||
|
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3
go.mod
3
go.mod
@ -3,7 +3,7 @@ module github.com/ekzyis/chessbot
|
||||
go 1.23.0
|
||||
|
||||
require (
|
||||
github.com/ekzyis/snappy v0.7.0
|
||||
github.com/ekzyis/snappy v0.6.2
|
||||
github.com/mattn/go-sqlite3 v1.14.23
|
||||
github.com/stretchr/testify v1.9.0
|
||||
golang.org/x/image v0.20.0
|
||||
@ -12,7 +12,6 @@ require (
|
||||
require (
|
||||
github.com/davecgh/go-spew v1.1.1 // indirect
|
||||
github.com/pmezard/go-difflib v1.0.0 // indirect
|
||||
golang.org/x/text v0.18.0 // indirect
|
||||
gopkg.in/guregu/null.v4 v4.0.0 // indirect
|
||||
gopkg.in/yaml.v3 v3.0.1 // indirect
|
||||
)
|
||||
|
||||
6
go.sum
6
go.sum
@ -1,7 +1,7 @@
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/ekzyis/snappy v0.7.0 h1:RcFTUHdZFTBFOnh6cG9HCL/RPK6L13qdxDrjBNZFjEM=
|
||||
github.com/ekzyis/snappy v0.7.0/go.mod h1:UksYI0dU0+cnzz0LQjWB1P0QQP/ghx47e4atP99a5Lk=
|
||||
github.com/ekzyis/snappy v0.6.2 h1:iOPgoS0cSUNk8leQJku0bBgnsha/+DcYUwTYqGLINY4=
|
||||
github.com/ekzyis/snappy v0.6.2/go.mod h1:UksYI0dU0+cnzz0LQjWB1P0QQP/ghx47e4atP99a5Lk=
|
||||
github.com/mattn/go-sqlite3 v1.14.23 h1:gbShiuAP1W5j9UOksQ06aiiqPMxYecovVGwmTxWtuw0=
|
||||
github.com/mattn/go-sqlite3 v1.14.23/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
@ -10,8 +10,6 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
|
||||
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
|
||||
golang.org/x/image v0.20.0 h1:7cVCUjQwfL18gyBJOmYvptfSHS8Fb3YUDtfLIZ7Nbpw=
|
||||
golang.org/x/image v0.20.0/go.mod h1:0a88To4CYVBAHp5FXJm8o7QbUl37Vd85ply1vyD8auM=
|
||||
golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
|
||||
golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/guregu/null.v4 v4.0.0 h1:1Wm3S1WEA2I26Kq+6vcW+w0gcDo44YKYD7YIEJNHDjg=
|
||||
|
||||
Binary file not shown.
58
main.go
58
main.go
@ -15,53 +15,20 @@ import (
|
||||
|
||||
var (
|
||||
c = sn.GetClient()
|
||||
me *sn.User
|
||||
// TODO: fetch our id from SN API
|
||||
// prod: 25176 | local: 21858
|
||||
meId = 25176
|
||||
)
|
||||
|
||||
func main() {
|
||||
|
||||
for {
|
||||
updateMe()
|
||||
tickGameStart(c)
|
||||
tickGameProgress(c)
|
||||
time.Sleep(15 * time.Second)
|
||||
}
|
||||
}
|
||||
|
||||
func updateMe() {
|
||||
var (
|
||||
oldMe *sn.User
|
||||
err error
|
||||
warnThreshold = 100
|
||||
)
|
||||
|
||||
maybeWarn := func() {
|
||||
if me.Privates.Sats < warnThreshold {
|
||||
log.Printf("~~~ warning: low balance ~~~\n")
|
||||
}
|
||||
}
|
||||
|
||||
if me == nil {
|
||||
// make sure first update is successful
|
||||
if me, err = c.Me(); err != nil {
|
||||
log.Fatalf("failed to fetch me: %v\n", err)
|
||||
}
|
||||
log.Printf("fetched me: id=%d name=%s balance=%d\n", me.Id, me.Name, me.Privates.Sats)
|
||||
maybeWarn()
|
||||
return
|
||||
}
|
||||
|
||||
oldMe = me
|
||||
if me, err = c.Me(); err != nil {
|
||||
log.Printf("failed to update me: %v\n", err)
|
||||
me = oldMe
|
||||
} else {
|
||||
log.Printf("updated me. balance: %d\n", me.Privates.Sats)
|
||||
}
|
||||
|
||||
maybeWarn()
|
||||
}
|
||||
|
||||
func tickGameStart(c *sn.Client) {
|
||||
var (
|
||||
mentions []sn.Notification
|
||||
@ -131,7 +98,7 @@ func tickGameProgress(c *sn.Client) {
|
||||
if parent, err := c.Item(n.Item.ParentId); err != nil {
|
||||
log.Printf("failed to fetch parent %d of %d\n", n.Item.ParentId, n.Item.Id)
|
||||
continue
|
||||
} else if parent.User.Id != me.Id {
|
||||
} else if parent.User.Id != meId {
|
||||
log.Printf("ignoring nested reply %d\n", n.Item.Id)
|
||||
continue
|
||||
}
|
||||
@ -179,15 +146,8 @@ func handleGameStart(req *sn.Item) error {
|
||||
return fmt.Errorf("failed to upload image for item %d: %v\n", req.Id, err)
|
||||
}
|
||||
|
||||
// reply with algebraic notation, image and info
|
||||
infoMove := "e4"
|
||||
if len(b.Moves) > 0 {
|
||||
infoMove = "e5"
|
||||
}
|
||||
info := fmt.Sprintf("_A new chess game has been started!_\n\n"+
|
||||
"_Reply with a move like `%s` to continue the game. "+
|
||||
"See [here](https://stacker.news/chess#how-to-continue) for details._", infoMove)
|
||||
res = strings.Trim(fmt.Sprintf("%s\n\n%s\n\n%s", b.AlgebraicNotation(), imgUrl, info), " ")
|
||||
// reply with algebraic notation and image
|
||||
res = strings.Trim(fmt.Sprintf("%s\n\n%s", b.AlgebraicNotation(), imgUrl), " ")
|
||||
if _, err = createComment(req.Id, res); err != nil {
|
||||
return fmt.Errorf("failed to reply to item %d: %v\n", req.Id, err)
|
||||
}
|
||||
@ -216,7 +176,7 @@ func handleGameProgress(req *sn.Item) error {
|
||||
}
|
||||
|
||||
for _, item := range thread {
|
||||
if item.User.Id == me.Id {
|
||||
if item.User.Id == meId {
|
||||
continue
|
||||
}
|
||||
|
||||
@ -318,8 +278,6 @@ func parseGameStart(input string) (string, error) {
|
||||
}
|
||||
|
||||
func parseGameProgress(input string) (string, error) {
|
||||
input = strings.Trim(input, " ")
|
||||
|
||||
lines := strings.Split(input, "\n")
|
||||
words := strings.Split(input, " ")
|
||||
|
||||
@ -347,5 +305,5 @@ func isRecent(t time.Time) bool {
|
||||
}
|
||||
|
||||
func alreadyHandled(id int) (bool, error) {
|
||||
return db.ItemHasReply(id, me.Id)
|
||||
return db.ItemHasReply(id, meId)
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user