dkforest

commit b19e01ab9718b3c28d9b82050818be72d2a2667a
parent 2774374e8315ddbbe530f724c758096833bfc274
Author: n0tr1v <n0tr1v@protonmail.com>
Date:   Tue, 30 May 2023 23:25:19 -0700

chess promotion

Diffstat:
M
pkg/web/handlers/api/v1/chess.go
 | 
23
+++++++++++++++++++++--

1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/pkg/web/handlers/api/v1/chess.go b/pkg/web/handlers/api/v1/chess.go
@@ -298,6 +298,13 @@ func (g *ChessGame) DrawPlayerCard(roomName string, inChat, isBlack, isYourTurn 
 					<input type="hidden" name="message" value="/pm {{ .Username }} /c move" />
 				{{ end }}
 				<button type="submit">Move</button>
+				<span style="color: white; margin-left: 20px;">Promo:</span>
+				<select name="promotion">
+					<option value="queen">Queen</option>
+					<option value="rook">Rook</option>
+					<option value="knight">Knight</option>
+					<option value="bishop">Bishop</option>
+				</select>
 			</form>
 		{{ else }}
 			<div style="width: 360px; height: 360px; background-image: url(data:image/png;base64,{{ .ImgB64 }})"></div>
@@ -445,12 +452,24 @@ func (b *Chess) SendMove(gameKey string, userID database.UserID, g *ChessGame, c
 		return errors.New("must select 2 squares")
 	}
 
+	promo := chess.Queen
+	switch c.Request().PostFormValue("promotion") {
+	case "queen":
+		promo = chess.Queen
+	case "rook":
+		promo = chess.Rook
+	case "knight":
+		promo = chess.Knight
+	case "bishop":
+		promo = chess.Bishop
+	}
+
 	var moveStr string
 	validMoves := g.Game.Position().ValidMoves()
 	var found bool
 	for _, move := range validMoves {
-		if (move.S1() == selectedSquares[0] && move.S2() == selectedSquares[1]) ||
-			(move.S1() == selectedSquares[1] && move.S2() == selectedSquares[0]) {
+		if (move.S1() == selectedSquares[0] && move.S2() == selectedSquares[1] && (move.Promo() == chess.NoPieceType || move.Promo() == promo)) ||
+			(move.S1() == selectedSquares[1] && move.S2() == selectedSquares[0] && (move.Promo() == chess.NoPieceType || move.Promo() == promo)) {
 			moveStr = chess.AlgebraicNotation{}.Encode(g.Game.Position(), move)
 			found = true
 			break