Wed, 29 Aug 2018 14:01:41 +0200
PGN output now correctly breaks after black has also moved
universe@10 | 1 | /* |
universe@10 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@10 | 3 | * |
universe@55 | 4 | * Copyright 2016 Mike Becker. All rights reserved. |
universe@10 | 5 | * |
universe@10 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@10 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@10 | 8 | * |
universe@10 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@10 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@10 | 11 | * |
universe@10 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@10 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@10 | 14 | * documentation and/or other materials provided with the distribution. |
universe@10 | 15 | * |
universe@10 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@10 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@10 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@10 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@10 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@10 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@10 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@10 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@10 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@10 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@10 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@10 | 27 | * |
universe@10 | 28 | */ |
universe@10 | 29 | |
universe@10 | 30 | #include "bishop.h" |
universe@16 | 31 | #include "rules.h" |
universe@19 | 32 | #include <stdlib.h> |
universe@10 | 33 | |
universe@16 | 34 | _Bool bishop_chkrules(Move* move) { |
universe@17 | 35 | return abs(move->torow-move->fromrow) == abs(move->tofile-move->fromfile); |
universe@17 | 36 | } |
universe@17 | 37 | |
universe@23 | 38 | _Bool bishop_isblocked(GameState *gamestate, Move *move) { |
universe@17 | 39 | int dy = move->torow > move->fromrow ? 1 : -1; |
universe@17 | 40 | int dx = move->tofile > move->fromfile ? 1 : -1; |
universe@17 | 41 | |
universe@17 | 42 | uint8_t y = move->fromrow; |
universe@17 | 43 | uint8_t x = move->fromfile; |
universe@17 | 44 | |
universe@21 | 45 | while (x != move->tofile-dx && y != move->torow-dy) { |
universe@17 | 46 | x += dx; |
universe@17 | 47 | y += dy; |
universe@23 | 48 | if (gamestate->board[y][x]) { |
universe@19 | 49 | return 1; |
universe@17 | 50 | } |
universe@21 | 51 | } |
universe@17 | 52 | |
universe@19 | 53 | return 0; |
universe@10 | 54 | } |