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No commits in common. "8347bf0cbc2ce359d1b85150e4447d8fef5448de" and "392cf19ae6a9766ca55484b69036796ce4929c8a" have entirely different histories.
8347bf0cbc
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392cf19ae6
@ -19,11 +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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@ -106,7 +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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@ -191,7 +186,7 @@ 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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@ -807,7 +802,6 @@ 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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@ -830,7 +824,6 @@ 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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@ -847,7 +840,6 @@ 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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@ -957,7 +949,6 @@ 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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@ -988,7 +979,6 @@ 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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@ -1007,7 +997,6 @@ 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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@ -1025,7 +1014,6 @@ 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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@ -1043,7 +1031,6 @@ 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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@ -1137,7 +1124,6 @@ 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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@ -1209,8 +1195,6 @@ 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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@ -1244,8 +1228,6 @@ 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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@ -1257,7 +1239,6 @@ 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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@ -1268,7 +1249,6 @@ 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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@ -1279,7 +1259,6 @@ 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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@ -1290,7 +1269,6 @@ 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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@ -1301,7 +1279,6 @@ 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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@ -1312,7 +1289,6 @@ 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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@ -1323,7 +1299,6 @@ 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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@ -1334,7 +1309,6 @@ 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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@ -1419,25 +1393,8 @@ 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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@ -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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func NewPiece(name PieceName, color Color) (*Piece, error) {
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7
main.go
7
main.go
@ -146,11 +146,8 @@ func handleGameStart(req *sn.Item) error {
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return fmt.Errorf("failed to upload image for item %d: %v\n", req.Id, err)
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}
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// reply with algebraic notation, image and info
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info := "_A new chess game has been started!_\n\n" +
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"_Reply with a move like `d5` to continue the game. " +
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"See [here](https://stacker.news/chess#how-to-continue) for details._"
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res = strings.Trim(fmt.Sprintf("%s\n\n%s\n\n%s", b.AlgebraicNotation(), imgUrl, info), " ")
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// reply with algebraic notation and image
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res = strings.Trim(fmt.Sprintf("%s\n\n%s", b.AlgebraicNotation(), imgUrl), " ")
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if _, err = createComment(req.Id, res); err != nil {
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return fmt.Errorf("failed to reply to item %d: %v\n", req.Id, err)
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}
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