src/chess/queen.c

Tue, 01 Apr 2014 10:28:08 +0200

author
Mike Becker <universe@uap-core.de>
date
Tue, 01 Apr 2014 10:28:08 +0200
changeset 24
4d030da07c88
parent 23
824c9522ce66
child 47
d726e4b46c33
permissions
-rw-r--r--

implemented queen

universe@10 1 /*
universe@10 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@10 3 *
universe@10 4 * Copyright 2014 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@16 30 #include "rules.h"
universe@24 31 #include "rook.h"
universe@24 32 #include "bishop.h"
universe@10 33 #include "queen.h"
universe@10 34
universe@16 35 _Bool queen_chkrules(Move* move) {
universe@24 36 return bishop_chkrules(move) || rook_chkrules(move);
universe@10 37 }
universe@10 38
universe@23 39 _Bool queen_isblocked(GameState *gamestate, Move *move) {
universe@24 40 if (rook_chkrules(move)) {
universe@24 41 return rook_isblocked(gamestate, move);
universe@24 42 } else {
universe@24 43 return bishop_isblocked(gamestate, move);
universe@24 44 }
universe@10 45 }
universe@10 46
universe@23 47 int queen_getlocation(GameState *gamestate, Move *move) {
universe@24 48
universe@24 49 Move moveasrook = *move;
universe@24 50 int rookaspect = rook_getlocation(gamestate, &moveasrook);
universe@24 51
universe@24 52 Move moveasbishop = *move;
universe@24 53 int bishopaspect = bishop_getlocation(gamestate, &moveasbishop);
universe@24 54
universe@24 55 if (rookaspect == VALID_MOVE_SYNTAX && bishopaspect == VALID_MOVE_SYNTAX) {
universe@24 56 return AMBIGUOUS_MOVE;
universe@24 57 }
universe@24 58
universe@24 59 if (rookaspect == VALID_MOVE_SYNTAX) {
universe@24 60 *move = moveasrook;
universe@24 61 return VALID_MOVE_SYNTAX;
universe@24 62 }
universe@24 63
universe@24 64 if (bishopaspect == VALID_MOVE_SYNTAX) {
universe@24 65 *move = moveasbishop;
universe@24 66 return VALID_MOVE_SYNTAX;
universe@24 67 }
universe@24 68
universe@24 69 return INVALID_POSITION;
universe@10 70 }

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