diff options
Diffstat (limited to 'GameField.cpp')
| -rw-r--r-- | GameField.cpp | 70 |
1 files changed, 53 insertions, 17 deletions
diff --git a/GameField.cpp b/GameField.cpp index acc742b..75485b4 100644 --- a/GameField.cpp +++ b/GameField.cpp @@ -53,7 +53,7 @@ void GameField::UpdateState(int y, int x) return; if((state = ScanColsAround(y, x)) != G_NONE) return; - if((state = ScanDiags()) != G_NONE) + if((state = ScanDiagsAround(y, x)) != G_NONE) return; } @@ -61,7 +61,7 @@ int GameField::ScanRowsAround(int y, int x) { int i, n; int player = field[y][x]; - // ray left + // ray to left for(i = x, n = 0; i >= 0; i--) { if(player == field[y][i]) { n++; @@ -71,8 +71,8 @@ int GameField::ScanRowsAround(int y, int x) else break; } - // ray right - for(i = x; i < rows; i++) { + // ray to right + for(i = x, n -= 1; i < rows; i++) { if(player == field[y][i]) { n++; if(n == win_length) @@ -88,7 +88,7 @@ int GameField::ScanColsAround(int y, int x) { int i, n; int player = field[y][x]; - // ray up + // ray to up for(i = y, n = 0; i >= 0; i--) { if(player == field[i][x]) { n++; @@ -98,8 +98,8 @@ int GameField::ScanColsAround(int y, int x) else break; } - // ray down - for(i = y; i < cols; i++) { + // ray to down + for(i = y, n -= 1; i < cols; i++) { if(player == field[i][x]) { n++; if(n == win_length) @@ -111,15 +111,51 @@ int GameField::ScanColsAround(int y, int x) return G_NONE; } -/* This version is a dummy */ -int GameField::ScanDiags() +int GameField::ScanDiagsAround(int y, int x) { - if(field[0][0] == field[1][1] && field[1][1] == field[2][2] && - field[1][1] != G_EMPTY) - return field[1][1]; - else if(field[0][2] == field[1][1] && field[1][1] == field[2][0] && - field[1][1] != G_EMPTY) - return field[1][1]; - - return 0; + int i, j, n; + int player = field[y][x]; + // ray to left up corner + for(i = x, j = y, n = 0; i >= 0 && j >= 0; i--, j--) { + if(player == field[j][i]) { + n++; + if(n == win_length) + return player; + } + else break; + } + + // ray to right down corner + for(i = x, j = y, n -= 1; i < rows && j < cols; i++, j++) { + if(player == field[j][i]) { + n++; + if(n == win_length) + return player; + } + else break; + } + + /* change the diagonal */ + + // ray to right up corner + for(i = x, j = y, n = 0; i < rows && j >= 0; i++, j--) { + if(player == field[j][i]) { + n++; + if(n == win_length) + return player; + } + else break; + } + + // ray to left down cornet + for(i = x, j = y, n -= 1; i >= 0 && j < cols; i--, j++) { + if(player == field[j][i]) { + n++; + if(n == win_length) + return player; + } + else break; + } + + return G_NONE; } |