ece4180_team / Mbed 2 deprecated chess_proj

Mert Us Matthew Hannay Logan Starr

Dependencies:   mbed 4DGL-uLCD-SE

main.cpp@15:cae96e8b62a3, 24 months ago (annotated)

Committer:
mhannay3
Date:
Sun Dec 04 19:48:33 2022 +0000
Revision:
15:cae96e8b62a3
Parent:
14:f390d08e5f92
Parent:
13:3c6da0590428 
merge and add pawn promotion

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mhannay3 5:b553c51b3b85 1 #include "mbed.h"
mhannay3 5:b553c51b3b85 2 #include "uLCD_4DGL.h"
mhannay3 6:1c4dd5e24b8d 3 #include <vector>
mhannay3 1:cd78922f70fa 4
mhannay3 5:b553c51b3b85 5 uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
mhannay3 13:3c6da0590428 6 Serial Blue(p13, p14);
mus3 14:f390d08e5f92 7 DigitalOut myLed(LED1);
mhannay3 5:b553c51b3b85 8
mhannay3 5:b553c51b3b85 9 enum Piece {e, wK, bK, wQ, bQ, wR, bR, wB, bB, wN, bN, w, b};
mhannay3 9:1f33c0f299ae 10 std::vector<Piece> whitePieces;
mhannay3 9:1f33c0f299ae 11 std::vector<Piece> blackPieces;
mhannay3 1:cd78922f70fa 12
mhannay3 9:1f33c0f299ae 13 enum GameState {whiteSelecting, whitePickedUp, whiteAI, blackSelecting, blackPickedUp, blackAI};
mhannay3 7:9e01c9a334dc 14
mhannay3 6:1c4dd5e24b8d 15 struct pixelCoord {
mhannay3 1:cd78922f70fa 16 uint8_t x;
mhannay3 1:cd78922f70fa 17 uint8_t y;
mhannay3 5:b553c51b3b85 18 };
mhannay3 1:cd78922f70fa 19
mhannay3 6:1c4dd5e24b8d 20 struct boardPos {
mhannay3 6:1c4dd5e24b8d 21 uint8_t row;
mhannay3 6:1c4dd5e24b8d 22 uint8_t column;
mhannay3 9:1f33c0f299ae 23
mhannay3 9:1f33c0f299ae 24 bool operator==(const boardPos &other) const
mhannay3 9:1f33c0f299ae 25 {
mus3 11:43c89579ac52 26 return row == other.row && column == other.column;
mhannay3 9:1f33c0f299ae 27 }
mhannay3 6:1c4dd5e24b8d 28 };
mhannay3 6:1c4dd5e24b8d 29
mus3 11:43c89579ac52 30 class Nav_Switch
mus3 11:43c89579ac52 31 {
mus3 11:43c89579ac52 32 public:
mus3 11:43c89579ac52 33 Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
mus3 11:43c89579ac52 34 int read();
mus3 11:43c89579ac52 35 //boolean functions to test each switch
mus3 11:43c89579ac52 36 bool up();
mus3 11:43c89579ac52 37 bool down();
mus3 11:43c89579ac52 38 bool left();
mus3 11:43c89579ac52 39 bool right();
mus3 11:43c89579ac52 40 bool fire();
mus3 11:43c89579ac52 41 //automatic read on RHS
mus3 11:43c89579ac52 42 operator int ();
mus3 11:43c89579ac52 43 //index to any switch array style
mhannay3 13:3c6da0590428 44 bool operator[](int index)
mhannay3 13:3c6da0590428 45 {
mus3 11:43c89579ac52 46 return _pins[index];
mus3 11:43c89579ac52 47 };
mus3 11:43c89579ac52 48 private:
mus3 11:43c89579ac52 49 BusIn _pins;
mus3 11:43c89579ac52 50
mus3 11:43c89579ac52 51 };
mus3 11:43c89579ac52 52 Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
mus3 11:43c89579ac52 53 _pins(up, down, left, right, fire)
mus3 11:43c89579ac52 54 {
mus3 11:43c89579ac52 55 _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
mus3 11:43c89579ac52 56 wait(0.001); //delays just a bit for pullups to pull inputs high
mus3 11:43c89579ac52 57 }
mus3 11:43c89579ac52 58 inline bool Nav_Switch::up()
mus3 11:43c89579ac52 59 {
mus3 11:43c89579ac52 60 return !(_pins[0]);
mus3 11:43c89579ac52 61 }
mus3 11:43c89579ac52 62 inline bool Nav_Switch::down()
mus3 11:43c89579ac52 63 {
mus3 11:43c89579ac52 64 return !(_pins[1]);
mus3 11:43c89579ac52 65 }
mus3 11:43c89579ac52 66 inline bool Nav_Switch::left()
mus3 11:43c89579ac52 67 {
mus3 11:43c89579ac52 68 return !(_pins[2]);
mus3 11:43c89579ac52 69 }
mus3 11:43c89579ac52 70 inline bool Nav_Switch::right()
mus3 11:43c89579ac52 71 {
mus3 11:43c89579ac52 72 return !(_pins[3]);
mus3 11:43c89579ac52 73 }
mus3 11:43c89579ac52 74 inline bool Nav_Switch::fire()
mus3 11:43c89579ac52 75 {
mus3 11:43c89579ac52 76 return !(_pins[4]);
mus3 11:43c89579ac52 77 }
mus3 11:43c89579ac52 78 inline int Nav_Switch::read()
mus3 11:43c89579ac52 79 {
mus3 11:43c89579ac52 80 return _pins.read();
mus3 11:43c89579ac52 81 }
mus3 11:43c89579ac52 82 inline Nav_Switch::operator int ()
mus3 11:43c89579ac52 83 {
mus3 11:43c89579ac52 84 return _pins.read();
mus3 11:43c89579ac52 85 }
mus3 11:43c89579ac52 86
mus3 14:f390d08e5f92 87 const float KING_POSITION_VALUES[] = {2.0, 3.0, 1.0, 0.0, 0.0, 1.0, 3.0, 2,0,
mhannay3 15:cae96e8b62a3 88 2.0, 2.0, 0.0, 0.0, 0.0, 0.0, 2.0, 2.0,
mhannay3 15:cae96e8b62a3 89 -1.0, -2.0, -2.0, -2.0, -2.0, -2.0, -2.0, -1.0,
mhannay3 15:cae96e8b62a3 90 -2.0, -3.0, -3.0, -4.0, -4.0, -3.0, -3.0, -2,0,
mhannay3 15:cae96e8b62a3 91 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0,
mhannay3 15:cae96e8b62a3 92 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0,
mhannay3 15:cae96e8b62a3 93 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0,
mhannay3 15:cae96e8b62a3 94 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0
mhannay3 15:cae96e8b62a3 95 };
mhannay3 15:cae96e8b62a3 96
mus3 14:f390d08e5f92 97 const float QUEEN_POSITION_VALUES[] = {-2.0, -1.0, -1.0, -0.5, -0.5, -1.0, -1.0, -2.0,
mhannay3 15:cae96e8b62a3 98 -1.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 99 -1.0, 0.5, 0.5, 0.5, 0.5, 0.5, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 100 0.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 101 -0.5, 0.0, 0.5, 0.5, 0.5, 0.5, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 102 -1.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 103 -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 104 -2.0, -1.0, -1.0, -0.5, -0.5, -1.0, -1.0, -2.0
mhannay3 15:cae96e8b62a3 105 };
mus3 14:f390d08e5f92 106
mus3 14:f390d08e5f92 107 const float ROOK_POSITION_VALUES[] = {0.0, 0.0, 0.0, 0.5, 0.5, 0.0, 0.0, 0.0,
mhannay3 15:cae96e8b62a3 108 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 109 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 110 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 111 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 112 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mhannay3 15:cae96e8b62a3 113 0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5,
mhannay3 15:cae96e8b62a3 114 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0
mhannay3 15:cae96e8b62a3 115 };
mus3 14:f390d08e5f92 116
mus3 14:f390d08e5f92 117 const float BISHOP_POSITION_VALUES[] = {-2.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -2.0,
mhannay3 15:cae96e8b62a3 118 -1.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, -1.0,
mhannay3 15:cae96e8b62a3 119 -1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0,
mhannay3 15:cae96e8b62a3 120 -1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 121 -1.0, 0.5, 0.5, 1.0, 1.0, 0.5, 0.5, -1.0,
mhannay3 15:cae96e8b62a3 122 -1.0, 0.0, 0.5, 1.0, 1.0, 0.5, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 123 -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0,
mhannay3 15:cae96e8b62a3 124 -2.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -2.0
mhannay3 15:cae96e8b62a3 125 };
mus3 14:f390d08e5f92 126 const float KNIGHT_POSITION_VALUES[] = {-5.0, -4.0, -3.0, -3.0, -3.0, -3.0, -4.0, -5.0,
mhannay3 15:cae96e8b62a3 127 -4.0, -2.0, 0.0, 0.5, 0.5, 0.0, -2.0, -4.0,
mhannay3 15:cae96e8b62a3 128 -3.0, 0.5, 1.0, 1.5, 1.5, 1.0, 0.5, -3.0,
mhannay3 15:cae96e8b62a3 129 -3.0, 0.0, 1.5, 2.0, 2.0, 1.5, 0.0, -3.0,
mhannay3 15:cae96e8b62a3 130 -3.0, 0.5, 1.5, 2.0, 2.0, 1.5, 0.5, -3.0,
mhannay3 15:cae96e8b62a3 131 -3.0, 0.0, 1.0, 1.5, 1.5, 1.0, 0.0, -3.0,
mhannay3 15:cae96e8b62a3 132 -4.0, -2.0, 0.0, 0.0, 0.0, 0.0, -2.0, -4.0,
mhannay3 15:cae96e8b62a3 133 -5.0, -4.0, -3.0, -3.0, -3.0, -3.0, -4.0, -5.0
mhannay3 15:cae96e8b62a3 134 };
mus3 14:f390d08e5f92 135 const float PAWN_POSITION_VALUES[] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
mhannay3 15:cae96e8b62a3 136 0.5, 1.0, 1.0, -2.0, -2.0, 1.0, 1.0, 0.5,
mhannay3 15:cae96e8b62a3 137 0.5, -0.5, -1.0, 0.0, 0.0, -1.0, -0.5, 0.5,
mhannay3 15:cae96e8b62a3 138 0.0, 0.0, 0.0, 2.0, 2.0, 0.0, 0.0, 0.0,
mhannay3 15:cae96e8b62a3 139 0.5, 0.5, 1.0, 2.5, 2.5, 1.0, 0.5, 0.5,
mhannay3 15:cae96e8b62a3 140 1.0, 1.0, 2.0, 3.0, 3.0, 2.0, 1.0, 1.0,
mhannay3 15:cae96e8b62a3 141 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0,
mhannay3 15:cae96e8b62a3 142 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0
mhannay3 15:cae96e8b62a3 143 };
mus3 14:f390d08e5f92 144
mhannay3 5:b553c51b3b85 145 class BoardState
mhannay3 5:b553c51b3b85 146 {
mhannay3 5:b553c51b3b85 147 private:
mhannay3 5:b553c51b3b85 148 Piece array[64];
mhannay3 15:cae96e8b62a3 149 // These values are for white pieces, need to be inverted
mus3 14:f390d08e5f92 150 // when making calculations for black pieces.
mus3 14:f390d08e5f92 151 static const float PAWN_VALUE = 10.0;
mus3 14:f390d08e5f92 152 static const float KNIGHT_VALUE = 30.0;
mus3 14:f390d08e5f92 153 static const float BISHOP_VALUE = 30.0;
mus3 14:f390d08e5f92 154 static const float ROOK_VALUE = 50.0;
mus3 14:f390d08e5f92 155 static const float QUEEN_VALUE = 90.0;
mus3 14:f390d08e5f92 156 static const float KING_VALUE = 900.0;
mhannay3 5:b553c51b3b85 157 public:
mus3 14:f390d08e5f92 158 BoardState() {}
mhannay3 15:cae96e8b62a3 159
mhannay3 4:5798e4062350 160 // calculates the advantage difference for the board state
mhannay3 5:b553c51b3b85 161 float calculateBoardState()
mhannay3 5:b553c51b3b85 162 {
mus3 14:f390d08e5f92 163 float sum = 0.0;
mus3 14:f390d08e5f92 164 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 165 int row = i / 8;
mus3 14:f390d08e5f92 166 int column = i % 8;
mus3 14:f390d08e5f92 167 Piece curr = getPiece(row, column);
mus3 14:f390d08e5f92 168 switch(curr) {
mus3 14:f390d08e5f92 169 case wK:
mus3 14:f390d08e5f92 170 sum += KING_VALUE + KING_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 171 break;
mus3 14:f390d08e5f92 172 case bK:
mus3 14:f390d08e5f92 173 sum -= (KING_VALUE + KING_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 174 break;
mus3 14:f390d08e5f92 175 case wQ:
mus3 14:f390d08e5f92 176 sum += QUEEN_VALUE + QUEEN_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 177 break;
mus3 14:f390d08e5f92 178 case bQ:
mus3 14:f390d08e5f92 179 sum -= (QUEEN_VALUE - QUEEN_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 180 break;
mus3 14:f390d08e5f92 181 case wR:
mus3 14:f390d08e5f92 182 sum += ROOK_VALUE + ROOK_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 183 break;
mus3 14:f390d08e5f92 184 case bR:
mus3 14:f390d08e5f92 185 sum -= (ROOK_VALUE - ROOK_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 186 break;
mus3 14:f390d08e5f92 187 case wB:
mus3 14:f390d08e5f92 188 sum += BISHOP_VALUE + BISHOP_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 189 break;
mus3 14:f390d08e5f92 190 case bB:
mus3 14:f390d08e5f92 191 sum -= (BISHOP_VALUE - BISHOP_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 192 break;
mus3 14:f390d08e5f92 193 case wN:
mus3 14:f390d08e5f92 194 sum += KNIGHT_VALUE + KNIGHT_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 195 break;
mus3 14:f390d08e5f92 196 case bN:
mus3 14:f390d08e5f92 197 sum -= (KNIGHT_VALUE - KNIGHT_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 198 break;
mus3 14:f390d08e5f92 199 case w:
mus3 14:f390d08e5f92 200 sum += PAWN_VALUE + PAWN_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 201 break;
mus3 14:f390d08e5f92 202 case b:
mus3 14:f390d08e5f92 203 sum -= (PAWN_VALUE - PAWN_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 204 break;
mus3 14:f390d08e5f92 205 default:
mus3 14:f390d08e5f92 206 break;
mhannay3 15:cae96e8b62a3 207 }
mus3 14:f390d08e5f92 208 }
mus3 14:f390d08e5f92 209 return sum;
mhannay3 4:5798e4062350 210 }
mhannay3 5:b553c51b3b85 211
mhannay3 4:5798e4062350 212 // returns the piece at a given location
mhannay3 5:b553c51b3b85 213 Piece getPiece(int row, int column)
mhannay3 5:b553c51b3b85 214 {
mhannay3 5:b553c51b3b85 215 return array[column + 8 * row];
mhannay3 4:5798e4062350 216 }
mhannay3 4:5798e4062350 217
mhannay3 5:b553c51b3b85 218 // puts a piece at a given location
mhannay3 5:b553c51b3b85 219 void placePiece(Piece piece, int row, int column)
mhannay3 5:b553c51b3b85 220 {
mhannay3 15:cae96e8b62a3 221 // pawn promotion handling
mhannay3 15:cae96e8b62a3 222 if (piece == w && row == 7) {
mhannay3 15:cae96e8b62a3 223 array[column + 8 * row] = wQ;
mhannay3 15:cae96e8b62a3 224 } else if (piece == b && row == 0) {
mhannay3 15:cae96e8b62a3 225 array[column + 8 * row] = bQ;
mhannay3 15:cae96e8b62a3 226 } else {
mhannay3 15:cae96e8b62a3 227 array[column + 8 * row] = piece;
mhannay3 15:cae96e8b62a3 228 }
mhannay3 4:5798e4062350 229 }
mhannay3 4:5798e4062350 230
mhannay3 4:5798e4062350 231 /* removes a piece from the set position of the board
mhannay3 4:5798e4062350 232 returns the bit representation of the piece
mhannay3 4:5798e4062350 233 */
mhannay3 5:b553c51b3b85 234 Piece removePiece(int row, int column)
mhannay3 5:b553c51b3b85 235 {
mhannay3 5:b553c51b3b85 236 Piece removedPiece = array[column + 8 * row];
mhannay3 5:b553c51b3b85 237 array[column + 8 * row] = e;
mhannay3 4:5798e4062350 238 return removedPiece;
mhannay3 1:cd78922f70fa 239 }
mhannay3 1:cd78922f70fa 240
mhannay3 1:cd78922f70fa 241 /* moves a piece from one position to another
mhannay3 1:cd78922f70fa 242 returns the captured piece
mhannay3 1:cd78922f70fa 243 */
mhannay3 5:b553c51b3b85 244 Piece movePiece(int startRow, int startColumn, int endRow, int endColumn)
mhannay3 5:b553c51b3b85 245 {
mhannay3 5:b553c51b3b85 246 Piece movingPiece = removePiece(startRow, startColumn);
mhannay3 5:b553c51b3b85 247 Piece capturedPiece = removePiece(endRow, endColumn);
mhannay3 5:b553c51b3b85 248 placePiece(movingPiece, endRow, endColumn);
mhannay3 1:cd78922f70fa 249 return capturedPiece;
mhannay3 1:cd78922f70fa 250 }
mhannay3 6:1c4dd5e24b8d 251
mhannay3 6:1c4dd5e24b8d 252 // generates a list of possible moves for a piece
mhannay3 6:1c4dd5e24b8d 253 // returns moves
mhannay3 9:1f33c0f299ae 254 std::vector<boardPos> getMoves(boardPos pos)
mhannay3 9:1f33c0f299ae 255 {
mhannay3 9:1f33c0f299ae 256 return getMoves(pos.row, pos.column);
mhannay3 9:1f33c0f299ae 257 }
mhannay3 6:1c4dd5e24b8d 258 std::vector<boardPos> getMoves(int row, int column)
mhannay3 6:1c4dd5e24b8d 259 {
mhannay3 6:1c4dd5e24b8d 260 std::vector<boardPos> moves;
mhannay3 8:928d5d33258f 261 std::vector<boardPos> lineMoves;
mhannay3 6:1c4dd5e24b8d 262 Piece movingPiece = getPiece(row, column);
mus3 11:43c89579ac52 263 uint8_t rowIndex;
mus3 11:43c89579ac52 264 uint8_t columnIndex;
mhannay3 6:1c4dd5e24b8d 265 bool isWhite;
mhannay3 6:1c4dd5e24b8d 266 switch(movingPiece) {
mhannay3 6:1c4dd5e24b8d 267 case wK:
mhannay3 6:1c4dd5e24b8d 268 case bK:
mhannay3 6:1c4dd5e24b8d 269 isWhite = movingPiece == wK;
mus3 11:43c89579ac52 270 if (validMove(isWhite, row + 1, column)) {
mus3 14:f390d08e5f92 271 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 272 row + 1, column
mus3 14:f390d08e5f92 273 };
mus3 14:f390d08e5f92 274 bool possibleKingMove = true;
mus3 14:f390d08e5f92 275 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 276 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 277 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 278 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 279 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 280 possibleKingMove = false;
mus3 14:f390d08e5f92 281 break;
mus3 14:f390d08e5f92 282 }
mus3 14:f390d08e5f92 283 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 284 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 285 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 286 possibleKingMove = false;
mus3 14:f390d08e5f92 287 break;
mus3 14:f390d08e5f92 288 }
mus3 14:f390d08e5f92 289 }
mus3 14:f390d08e5f92 290 }
mus3 14:f390d08e5f92 291 if (possibleKingMove) {
mus3 14:f390d08e5f92 292 moves.push_back(tPos);
mus3 14:f390d08e5f92 293 }
mus3 11:43c89579ac52 294 }
mus3 11:43c89579ac52 295 if (validMove(isWhite, row, column + 1)) {
mus3 14:f390d08e5f92 296 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 297 row, column + 1
mus3 14:f390d08e5f92 298 };
mus3 14:f390d08e5f92 299 bool possibleKingMove = true;
mus3 14:f390d08e5f92 300 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 301 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 302 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 303 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 304 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 305 possibleKingMove = false;
mus3 14:f390d08e5f92 306 break;
mus3 14:f390d08e5f92 307 }
mus3 14:f390d08e5f92 308 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 309 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 310 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 311 possibleKingMove = false;
mus3 14:f390d08e5f92 312 break;
mus3 14:f390d08e5f92 313 }
mus3 14:f390d08e5f92 314 }
mus3 14:f390d08e5f92 315 }
mus3 14:f390d08e5f92 316 if (possibleKingMove) {
mus3 14:f390d08e5f92 317 moves.push_back(tPos);
mus3 14:f390d08e5f92 318 }
mus3 11:43c89579ac52 319 }
mus3 11:43c89579ac52 320 if (validMove(isWhite, row - 1, column)) {
mus3 14:f390d08e5f92 321 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 322 row - 1, column
mus3 14:f390d08e5f92 323 };
mus3 14:f390d08e5f92 324 bool possibleKingMove = true;
mus3 14:f390d08e5f92 325 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 326 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 327 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 328 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 329 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 330 possibleKingMove = false;
mus3 14:f390d08e5f92 331 break;
mus3 14:f390d08e5f92 332 }
mus3 14:f390d08e5f92 333 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 334 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 335 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 336 possibleKingMove = false;
mus3 14:f390d08e5f92 337 break;
mus3 14:f390d08e5f92 338 }
mus3 14:f390d08e5f92 339 }
mus3 14:f390d08e5f92 340 }
mus3 14:f390d08e5f92 341 if (possibleKingMove) {
mus3 14:f390d08e5f92 342 moves.push_back(tPos);
mus3 14:f390d08e5f92 343 }
mus3 11:43c89579ac52 344 }
mus3 11:43c89579ac52 345 if (validMove(isWhite, row, column - 1)) {
mus3 14:f390d08e5f92 346 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 347 row, column - 1
mus3 14:f390d08e5f92 348 };
mus3 14:f390d08e5f92 349 bool possibleKingMove = true;
mus3 14:f390d08e5f92 350 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 351 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 352 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 353 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 354 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 355 possibleKingMove = false;
mus3 14:f390d08e5f92 356 break;
mus3 14:f390d08e5f92 357 }
mus3 14:f390d08e5f92 358 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 359 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 360 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 361 possibleKingMove = false;
mus3 14:f390d08e5f92 362 break;
mus3 14:f390d08e5f92 363 }
mus3 14:f390d08e5f92 364 }
mus3 14:f390d08e5f92 365 }
mus3 14:f390d08e5f92 366 if (possibleKingMove) {
mus3 14:f390d08e5f92 367 moves.push_back(tPos);
mus3 14:f390d08e5f92 368 }
mus3 11:43c89579ac52 369 }
mus3 11:43c89579ac52 370 if (validMove(isWhite, row + 1, column + 1)) {
mus3 14:f390d08e5f92 371 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 372 row + 1, column + 1
mus3 14:f390d08e5f92 373 };
mus3 14:f390d08e5f92 374 bool possibleKingMove = true;
mus3 14:f390d08e5f92 375 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 376 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 377 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 378 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 379 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 380 possibleKingMove = false;
mus3 14:f390d08e5f92 381 break;
mus3 14:f390d08e5f92 382 }
mus3 14:f390d08e5f92 383 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 384 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 385 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 386 possibleKingMove = false;
mus3 14:f390d08e5f92 387 break;
mus3 14:f390d08e5f92 388 }
mus3 14:f390d08e5f92 389 }
mus3 14:f390d08e5f92 390 }
mus3 14:f390d08e5f92 391 if (possibleKingMove) {
mus3 14:f390d08e5f92 392 moves.push_back(tPos);
mus3 14:f390d08e5f92 393 }
mus3 11:43c89579ac52 394 }
mus3 11:43c89579ac52 395 if (validMove(isWhite, row - 1, column + 1)) {
mus3 14:f390d08e5f92 396 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 397 row - 1, column + 1
mus3 14:f390d08e5f92 398 };
mus3 14:f390d08e5f92 399 bool possibleKingMove = true;
mus3 14:f390d08e5f92 400 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 401 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 402 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 403 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 404 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 405 possibleKingMove = false;
mus3 14:f390d08e5f92 406 break;
mus3 14:f390d08e5f92 407 }
mus3 14:f390d08e5f92 408 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 409 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 410 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 411 possibleKingMove = false;
mus3 14:f390d08e5f92 412 break;
mus3 14:f390d08e5f92 413 }
mus3 14:f390d08e5f92 414 }
mus3 14:f390d08e5f92 415 }
mus3 14:f390d08e5f92 416 if (possibleKingMove) {
mus3 14:f390d08e5f92 417 moves.push_back(tPos);
mus3 14:f390d08e5f92 418 }
mus3 11:43c89579ac52 419 }
mus3 11:43c89579ac52 420 if (validMove(isWhite, row - 1, column - 1)) {
mus3 14:f390d08e5f92 421 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 422 row - 1, column - 1
mus3 14:f390d08e5f92 423 };
mus3 14:f390d08e5f92 424 bool possibleKingMove = true;
mus3 14:f390d08e5f92 425 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 426 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 427 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 428 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 429 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 430 possibleKingMove = false;
mus3 14:f390d08e5f92 431 break;
mus3 14:f390d08e5f92 432 }
mus3 14:f390d08e5f92 433 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 434 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 435 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 436 possibleKingMove = false;
mus3 14:f390d08e5f92 437 break;
mus3 14:f390d08e5f92 438 }
mus3 14:f390d08e5f92 439 }
mus3 14:f390d08e5f92 440 }
mus3 14:f390d08e5f92 441 if (possibleKingMove) {
mus3 14:f390d08e5f92 442 moves.push_back(tPos);
mus3 14:f390d08e5f92 443 }
mus3 11:43c89579ac52 444 }
mus3 11:43c89579ac52 445 if (validMove(isWhite, row + 1, column - 1)) {
mus3 14:f390d08e5f92 446 boardPos tPos = (boardPos) {
mus3 11:43c89579ac52 447 row + 1, column - 1
mus3 14:f390d08e5f92 448 };
mus3 14:f390d08e5f92 449 bool possibleKingMove = true;
mus3 14:f390d08e5f92 450 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 451 Piece possibleThreat = getPiece(i/8, i%8);
mus3 14:f390d08e5f92 452 if (isWhite && (possibleThreat == bK || possibleThreat == bQ || possibleThreat == bR || possibleThreat == bN || possibleThreat == bB || possibleThreat == b)) {
mus3 14:f390d08e5f92 453 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 454 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 455 possibleKingMove = false;
mus3 14:f390d08e5f92 456 break;
mus3 14:f390d08e5f92 457 }
mus3 14:f390d08e5f92 458 } else if (!isWhite && (possibleThreat == wK || possibleThreat == wQ || possibleThreat == wR || possibleThreat == wN || possibleThreat == wB || possibleThreat == w)) {
mus3 14:f390d08e5f92 459 std::vector<boardPos> possibleThreatMoves = getMoves(i/8, i%8);
mus3 14:f390d08e5f92 460 if (std::find(possibleThreatMoves.begin(), possibleThreatMoves.end(), tPos) != possibleThreatMoves.end()) {
mus3 14:f390d08e5f92 461 possibleKingMove = false;
mus3 14:f390d08e5f92 462 break;
mus3 14:f390d08e5f92 463 }
mus3 14:f390d08e5f92 464 }
mus3 14:f390d08e5f92 465 }
mus3 14:f390d08e5f92 466 if (possibleKingMove) {
mus3 14:f390d08e5f92 467 moves.push_back(tPos);
mus3 14:f390d08e5f92 468 }
mhannay3 6:1c4dd5e24b8d 469 }
mhannay3 6:1c4dd5e24b8d 470 break;
mhannay3 6:1c4dd5e24b8d 471 case wQ:
mhannay3 6:1c4dd5e24b8d 472 case bQ:
mhannay3 6:1c4dd5e24b8d 473 isWhite = movingPiece == wQ;
mus3 11:43c89579ac52 474 rowIndex = row + 1;
mus3 11:43c89579ac52 475 columnIndex = column + 1;
mus3 11:43c89579ac52 476 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 477 moves.push_back((boardPos) {
mus3 11:43c89579ac52 478 rowIndex, columnIndex
mus3 11:43c89579ac52 479 });
mus3 11:43c89579ac52 480 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 481 break;
mus3 11:43c89579ac52 482 }
mus3 11:43c89579ac52 483 rowIndex++;
mus3 11:43c89579ac52 484 columnIndex++;
mus3 11:43c89579ac52 485 }
mus3 11:43c89579ac52 486 rowIndex = row - 1;
mus3 11:43c89579ac52 487 columnIndex = column + 1;
mus3 11:43c89579ac52 488 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 489 moves.push_back((boardPos) {
mus3 11:43c89579ac52 490 rowIndex, columnIndex
mus3 11:43c89579ac52 491 });
mus3 11:43c89579ac52 492 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 493 break;
mus3 11:43c89579ac52 494 }
mus3 11:43c89579ac52 495 rowIndex--;
mus3 11:43c89579ac52 496 columnIndex++;
mus3 11:43c89579ac52 497 }
mus3 11:43c89579ac52 498 rowIndex = row + 1;
mus3 11:43c89579ac52 499 columnIndex = column - 1;
mus3 11:43c89579ac52 500 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 501 moves.push_back((boardPos) {
mus3 11:43c89579ac52 502 rowIndex, columnIndex
mus3 11:43c89579ac52 503 });
mus3 11:43c89579ac52 504 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 505 break;
mus3 11:43c89579ac52 506 }
mus3 11:43c89579ac52 507 rowIndex++;
mus3 11:43c89579ac52 508 columnIndex--;
mus3 11:43c89579ac52 509 }
mus3 11:43c89579ac52 510 rowIndex = row - 1;
mus3 11:43c89579ac52 511 columnIndex = column - 1;
mus3 11:43c89579ac52 512 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 513 moves.push_back((boardPos) {
mus3 11:43c89579ac52 514 rowIndex, columnIndex
mus3 11:43c89579ac52 515 });
mus3 11:43c89579ac52 516 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 517 break;
mus3 11:43c89579ac52 518 }
mus3 11:43c89579ac52 519 rowIndex--;
mus3 11:43c89579ac52 520 columnIndex--;
mus3 11:43c89579ac52 521 }
mus3 11:43c89579ac52 522 rowIndex = row + 1;
mus3 11:43c89579ac52 523 columnIndex = column;
mus3 11:43c89579ac52 524 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 525 moves.push_back((boardPos) {
mus3 11:43c89579ac52 526 rowIndex, columnIndex
mus3 11:43c89579ac52 527 });
mus3 11:43c89579ac52 528 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 529 break;
mus3 11:43c89579ac52 530 }
mus3 11:43c89579ac52 531 rowIndex++;
mus3 11:43c89579ac52 532 }
mus3 11:43c89579ac52 533 rowIndex = row - 1;
mus3 11:43c89579ac52 534 columnIndex = column;
mus3 11:43c89579ac52 535 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 536 moves.push_back((boardPos) {
mus3 11:43c89579ac52 537 rowIndex, columnIndex
mus3 11:43c89579ac52 538 });
mus3 11:43c89579ac52 539 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 540 break;
mus3 11:43c89579ac52 541 }
mus3 11:43c89579ac52 542 rowIndex--;
mus3 11:43c89579ac52 543 }
mus3 11:43c89579ac52 544 rowIndex = row;
mus3 11:43c89579ac52 545 columnIndex = column + 1;
mus3 11:43c89579ac52 546 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 547 moves.push_back((boardPos) {
mus3 11:43c89579ac52 548 rowIndex, columnIndex
mus3 11:43c89579ac52 549 });
mus3 11:43c89579ac52 550 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 551 break;
mus3 11:43c89579ac52 552 }
mus3 11:43c89579ac52 553 columnIndex++;
mus3 11:43c89579ac52 554 }
mus3 11:43c89579ac52 555 rowIndex = row;
mus3 11:43c89579ac52 556 columnIndex = column - 1;
mus3 11:43c89579ac52 557 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 558 moves.push_back((boardPos) {
mus3 11:43c89579ac52 559 rowIndex, columnIndex
mus3 11:43c89579ac52 560 });
mus3 11:43c89579ac52 561 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 562 break;
mus3 11:43c89579ac52 563 }
mus3 11:43c89579ac52 564 columnIndex--;
mus3 11:43c89579ac52 565 }
mhannay3 6:1c4dd5e24b8d 566 break;
mhannay3 6:1c4dd5e24b8d 567 case wB:
mhannay3 6:1c4dd5e24b8d 568 case bB:
mhannay3 6:1c4dd5e24b8d 569 isWhite = movingPiece == wB;
mus3 11:43c89579ac52 570 rowIndex = row + 1;
mus3 11:43c89579ac52 571 columnIndex = column + 1;
mus3 11:43c89579ac52 572 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 573 moves.push_back((boardPos) {
mus3 11:43c89579ac52 574 rowIndex, columnIndex
mus3 11:43c89579ac52 575 });
mus3 11:43c89579ac52 576 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 577 break;
mus3 11:43c89579ac52 578 }
mus3 11:43c89579ac52 579 rowIndex++;
mus3 11:43c89579ac52 580 columnIndex++;
mus3 11:43c89579ac52 581 }
mus3 11:43c89579ac52 582 rowIndex = row - 1;
mus3 11:43c89579ac52 583 columnIndex = column + 1;
mus3 11:43c89579ac52 584 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 585 moves.push_back((boardPos) {
mus3 11:43c89579ac52 586 rowIndex, columnIndex
mus3 11:43c89579ac52 587 });
mus3 11:43c89579ac52 588 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 589 break;
mus3 11:43c89579ac52 590 }
mus3 11:43c89579ac52 591 rowIndex--;
mus3 11:43c89579ac52 592 columnIndex++;
mus3 11:43c89579ac52 593 }
mus3 11:43c89579ac52 594 rowIndex = row + 1;
mus3 11:43c89579ac52 595 columnIndex = column - 1;
mus3 11:43c89579ac52 596 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 597 moves.push_back((boardPos) {
mus3 11:43c89579ac52 598 rowIndex, columnIndex
mus3 11:43c89579ac52 599 });
mus3 11:43c89579ac52 600 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 601 break;
mus3 11:43c89579ac52 602 }
mus3 11:43c89579ac52 603 rowIndex++;
mus3 11:43c89579ac52 604 columnIndex--;
mus3 11:43c89579ac52 605 }
mus3 11:43c89579ac52 606 rowIndex = row - 1;
mus3 11:43c89579ac52 607 columnIndex = column - 1;
mus3 11:43c89579ac52 608 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 609 moves.push_back((boardPos) {
mus3 11:43c89579ac52 610 rowIndex, columnIndex
mus3 11:43c89579ac52 611 });
mus3 11:43c89579ac52 612 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 613 break;
mus3 11:43c89579ac52 614 }
mus3 11:43c89579ac52 615 rowIndex--;
mus3 11:43c89579ac52 616 columnIndex--;
mus3 11:43c89579ac52 617 }
mhannay3 6:1c4dd5e24b8d 618 break;
mhannay3 6:1c4dd5e24b8d 619 case wN:
mhannay3 6:1c4dd5e24b8d 620 case bN:
mhannay3 6:1c4dd5e24b8d 621 isWhite = movingPiece == wN;
mus3 11:43c89579ac52 622 if (validMove(isWhite, row + 2, column + 1)) {
mus3 11:43c89579ac52 623 moves.push_back((boardPos) {
mus3 11:43c89579ac52 624 row + 2, column + 1
mus3 11:43c89579ac52 625 });
mus3 11:43c89579ac52 626 }
mus3 11:43c89579ac52 627 if (validMove(isWhite, row + 2, column - 1)) {
mus3 11:43c89579ac52 628 moves.push_back((boardPos) {
mus3 11:43c89579ac52 629 row + 2, column - 1
mus3 11:43c89579ac52 630 });
mus3 11:43c89579ac52 631 }
mus3 11:43c89579ac52 632 if (validMove(isWhite, row - 2, column - 1)) {
mus3 11:43c89579ac52 633 moves.push_back((boardPos) {
mus3 11:43c89579ac52 634 row - 2, column - 1
mus3 11:43c89579ac52 635 });
mus3 11:43c89579ac52 636 }
mus3 11:43c89579ac52 637 if (validMove(isWhite, row - 2, column + 1)) {
mus3 11:43c89579ac52 638 moves.push_back((boardPos) {
mus3 11:43c89579ac52 639 row - 2, column + 1
mus3 11:43c89579ac52 640 });
mus3 11:43c89579ac52 641 }
mus3 11:43c89579ac52 642 if (validMove(isWhite, row + 1, column + 2)) {
mus3 11:43c89579ac52 643 moves.push_back((boardPos) {
mus3 11:43c89579ac52 644 row + 1, column + 2
mus3 11:43c89579ac52 645 });
mus3 11:43c89579ac52 646 }
mus3 11:43c89579ac52 647 if (validMove(isWhite, row - 1, column + 2)) {
mus3 11:43c89579ac52 648 moves.push_back((boardPos) {
mus3 11:43c89579ac52 649 row - 1, column + 2
mus3 11:43c89579ac52 650 });
mus3 11:43c89579ac52 651 }
mus3 11:43c89579ac52 652 if (validMove(isWhite, row - 1, column - 2)) {
mus3 11:43c89579ac52 653 moves.push_back((boardPos) {
mus3 11:43c89579ac52 654 row - 1, column - 2
mus3 11:43c89579ac52 655 });
mus3 11:43c89579ac52 656 }
mus3 11:43c89579ac52 657 if (validMove(isWhite, row + 1, column - 2)) {
mus3 11:43c89579ac52 658 moves.push_back((boardPos) {
mus3 11:43c89579ac52 659 row + 1, column - 2
mus3 11:43c89579ac52 660 });
mhannay3 6:1c4dd5e24b8d 661 }
mhannay3 6:1c4dd5e24b8d 662 break;
mhannay3 6:1c4dd5e24b8d 663 case wR:
mhannay3 6:1c4dd5e24b8d 664 case bR:
mhannay3 6:1c4dd5e24b8d 665 isWhite = movingPiece == wR;
mus3 11:43c89579ac52 666 rowIndex = row + 1;
mus3 11:43c89579ac52 667 columnIndex = column;
mus3 11:43c89579ac52 668 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 669 moves.push_back((boardPos) {
mus3 11:43c89579ac52 670 rowIndex, columnIndex
mus3 11:43c89579ac52 671 });
mus3 11:43c89579ac52 672 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 673 break;
mus3 11:43c89579ac52 674 }
mus3 11:43c89579ac52 675 rowIndex++;
mus3 11:43c89579ac52 676 }
mus3 11:43c89579ac52 677 rowIndex = row - 1;
mus3 11:43c89579ac52 678 columnIndex = column;
mus3 11:43c89579ac52 679 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 680 moves.push_back((boardPos) {
mus3 11:43c89579ac52 681 rowIndex, columnIndex
mus3 11:43c89579ac52 682 });
mus3 11:43c89579ac52 683 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 684 break;
mus3 11:43c89579ac52 685 }
mus3 11:43c89579ac52 686 rowIndex--;
mus3 11:43c89579ac52 687 }
mus3 11:43c89579ac52 688 rowIndex = row;
mus3 11:43c89579ac52 689 columnIndex = column + 1;
mus3 11:43c89579ac52 690 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 691 moves.push_back((boardPos) {
mus3 11:43c89579ac52 692 rowIndex, columnIndex
mus3 11:43c89579ac52 693 });
mus3 11:43c89579ac52 694 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 695 break;
mus3 11:43c89579ac52 696 }
mus3 11:43c89579ac52 697 columnIndex++;
mus3 11:43c89579ac52 698 }
mus3 11:43c89579ac52 699 rowIndex = row;
mus3 11:43c89579ac52 700 columnIndex = column - 1;
mus3 11:43c89579ac52 701 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 702 moves.push_back((boardPos) {
mus3 11:43c89579ac52 703 rowIndex, columnIndex
mus3 11:43c89579ac52 704 });
mus3 11:43c89579ac52 705 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 706 break;
mus3 11:43c89579ac52 707 }
mus3 11:43c89579ac52 708 columnIndex--;
mus3 11:43c89579ac52 709 }
mhannay3 6:1c4dd5e24b8d 710 break;
mhannay3 6:1c4dd5e24b8d 711 case w:
mhannay3 6:1c4dd5e24b8d 712 case b:
mhannay3 6:1c4dd5e24b8d 713 isWhite = movingPiece == w;
mhannay3 6:1c4dd5e24b8d 714 int rowChange = isWhite ? 1 : -1;
mus3 11:43c89579ac52 715 if (validMove(isWhite, row + rowChange, column) && getPiece(row + rowChange, column) == e) {
mhannay3 6:1c4dd5e24b8d 716 moves.push_back((boardPos) {
mhannay3 6:1c4dd5e24b8d 717 row + rowChange, column
mhannay3 6:1c4dd5e24b8d 718 });
mus3 11:43c89579ac52 719 // The case for pawns moving two squares at the start
mus3 11:43c89579ac52 720 if (((isWhite && row == 1) || (!isWhite && row == 6)) && validMove(isWhite, row + rowChange + rowChange, column) && getPiece(row + rowChange + rowChange, column) == e) {
mus3 11:43c89579ac52 721 moves.push_back((boardPos) {
mus3 11:43c89579ac52 722 row + rowChange + rowChange, column
mus3 11:43c89579ac52 723 });
mus3 11:43c89579ac52 724 }
mhannay3 6:1c4dd5e24b8d 725 }
mhannay3 6:1c4dd5e24b8d 726 if (validMove(isWhite, row + rowChange, column + 1) && getPiece(row + rowChange, column + 1) != e) {
mhannay3 6:1c4dd5e24b8d 727 moves.push_back((boardPos) {
mhannay3 6:1c4dd5e24b8d 728 row + rowChange, column + 1
mhannay3 6:1c4dd5e24b8d 729 });
mhannay3 6:1c4dd5e24b8d 730 }
mhannay3 6:1c4dd5e24b8d 731 if (validMove(isWhite, row + rowChange, column - 1) && getPiece(row + rowChange, column - 1) != e) {
mhannay3 6:1c4dd5e24b8d 732 moves.push_back((boardPos) {
mhannay3 6:1c4dd5e24b8d 733 row + rowChange, column - 1
mhannay3 6:1c4dd5e24b8d 734 });
mhannay3 6:1c4dd5e24b8d 735 }
mhannay3 6:1c4dd5e24b8d 736 break;
mus3 11:43c89579ac52 737 default:
mus3 11:43c89579ac52 738 break;
mhannay3 6:1c4dd5e24b8d 739 }
mhannay3 6:1c4dd5e24b8d 740 return moves;
mhannay3 6:1c4dd5e24b8d 741 }
mhannay3 9:1f33c0f299ae 742
mhannay3 8:928d5d33258f 743 // returns a vector of board positions that a piece can move in a line
mhannay3 8:928d5d33258f 744 std::vector<boardPos> movesInLine(bool isMovingPieceWhite, int row, int column, int rowChange, int columnChange)
mhannay3 8:928d5d33258f 745 {
mhannay3 8:928d5d33258f 746 std::vector<boardPos> moves;
mhannay3 8:928d5d33258f 747 for (int i = 1; ; i++) {
mhannay3 8:928d5d33258f 748 // check if piece can move to location
mhannay3 8:928d5d33258f 749 if (validMove(isMovingPieceWhite, row + i * rowChange, column + i * columnChange)) {
mhannay3 8:928d5d33258f 750 moves.push_back((boardPos) {
mhannay3 8:928d5d33258f 751 row + i * rowChange, column + i * columnChange
mhannay3 8:928d5d33258f 752 });
mhannay3 8:928d5d33258f 753 // if piece is capturable, stop moving beyond it
mhannay3 9:1f33c0f299ae 754 if (getPiece(row + i * rowChange, column + i * columnChange) != e) {
mhannay3 8:928d5d33258f 755 break;
mhannay3 8:928d5d33258f 756 }
mhannay3 9:1f33c0f299ae 757 // if unable to move, break out
mhannay3 8:928d5d33258f 758 } else {
mhannay3 8:928d5d33258f 759 break;
mhannay3 8:928d5d33258f 760 }
mhannay3 8:928d5d33258f 761 }
mhannay3 8:928d5d33258f 762 return moves;
mhannay3 8:928d5d33258f 763 }
mhannay3 6:1c4dd5e24b8d 764
mhannay3 8:928d5d33258f 765 // returns if a piece can move to a given location
mhannay3 6:1c4dd5e24b8d 766 bool validMove(bool isMovingPieceWhite, int row, int column)
mhannay3 6:1c4dd5e24b8d 767 {
mhannay3 6:1c4dd5e24b8d 768 if (row < 0 || row > 7 || column < 0 || column > 7) {
mhannay3 6:1c4dd5e24b8d 769 return false;
mhannay3 6:1c4dd5e24b8d 770 }
mhannay3 6:1c4dd5e24b8d 771 Piece capturedPiece = getPiece(row, column);
mhannay3 6:1c4dd5e24b8d 772 switch(capturedPiece) {
mhannay3 6:1c4dd5e24b8d 773 case wK:
mhannay3 6:1c4dd5e24b8d 774 case wQ:
mhannay3 6:1c4dd5e24b8d 775 case wR:
mhannay3 6:1c4dd5e24b8d 776 case wB:
mhannay3 6:1c4dd5e24b8d 777 case wN:
mhannay3 6:1c4dd5e24b8d 778 case w:
mhannay3 6:1c4dd5e24b8d 779 return !isMovingPieceWhite;
mhannay3 6:1c4dd5e24b8d 780 case bK:
mhannay3 6:1c4dd5e24b8d 781 case bQ:
mhannay3 6:1c4dd5e24b8d 782 case bR:
mhannay3 6:1c4dd5e24b8d 783 case bB:
mhannay3 6:1c4dd5e24b8d 784 case bN:
mhannay3 6:1c4dd5e24b8d 785 case b:
mhannay3 6:1c4dd5e24b8d 786 return isMovingPieceWhite;
mhannay3 6:1c4dd5e24b8d 787 case e:
mhannay3 6:1c4dd5e24b8d 788 return true;
mhannay3 6:1c4dd5e24b8d 789 }
mhannay3 6:1c4dd5e24b8d 790 return false;
mhannay3 6:1c4dd5e24b8d 791 }
mhannay3 5:b553c51b3b85 792 };
mhannay3 1:cd78922f70fa 793
mhannay3 5:b553c51b3b85 794 class GameBoard
mhannay3 5:b553c51b3b85 795 {
mhannay3 5:b553c51b3b85 796 private:
mhannay3 5:b553c51b3b85 797 BoardState boardState;
mhannay3 5:b553c51b3b85 798 static const int BOARD_DARK_COLOR = 0x769656;
mhannay3 5:b553c51b3b85 799 static const int BOARD_LIGHT_COLOR = 0xbaca44;
mhannay3 5:b553c51b3b85 800 static const int HOVER_COLOR = 0x0000ff;
mhannay3 5:b553c51b3b85 801 static const int SELECTED_COLOR = 0xff8800;
mhannay3 6:1c4dd5e24b8d 802 static const int MOVE_COLOR = 0xff00ff;
mhannay3 13:3c6da0590428 803
mhannay3 10:8f73a917b239 804 // gets the pixel coordinates of the top left of the square
mhannay3 10:8f73a917b239 805 static pixelCoord getTopLeftOfSquare(boardPos pos)
mhannay3 10:8f73a917b239 806 {
mhannay3 10:8f73a917b239 807 return getTopLeftOfSquare(pos.row, pos.column);
mhannay3 10:8f73a917b239 808 }
mhannay3 10:8f73a917b239 809 static pixelCoord getTopLeftOfSquare(int row, int column)
mhannay3 10:8f73a917b239 810 {
mhannay3 10:8f73a917b239 811 pixelCoord topLeft;
mhannay3 10:8f73a917b239 812 topLeft.x = 16 * column;
mhannay3 10:8f73a917b239 813 topLeft.y = 112 - 16 * row;
mhannay3 10:8f73a917b239 814 return topLeft;
mhannay3 10:8f73a917b239 815 }
mhannay3 5:b553c51b3b85 816
mhannay3 5:b553c51b3b85 817 // piece sprites (12 x 12)
mhannay3 10:8f73a917b239 818 static void drawPawn(int row, int column, bool white, bool light)
mhannay3 5:b553c51b3b85 819 {
mhannay3 5:b553c51b3b85 820 int X = white ? 0xffffff : 0x000000;
mhannay3 5:b553c51b3b85 821 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 822 int sprite[144] = {_, _, _, _, _, _, _, _, _, _, _, _,
mhannay3 5:b553c51b3b85 823 _, _, _, _, _, _, _, _, _, _, _, _,
mhannay3 5:b553c51b3b85 824 _, _, _, _, _, _, _, _, _, _, _, _,
mhannay3 5:b553c51b3b85 825 _, _, _, _, _, _, _, _, _, _, _, _,
mhannay3 5:b553c51b3b85 826 _, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 827 _, _, _, _, X, X, X, X, _, _, _, _,
mhannay3 5:b553c51b3b85 828 _, _, _, _, X, X, X, X, _, _, _, _,
mhannay3 5:b553c51b3b85 829 _, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 830 _, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 831 _, _, _, _, X, X, X, X, _, _, _, _,
mhannay3 5:b553c51b3b85 832 _, _, X, X, X, X, X, X, X, X, _, _,
mhannay3 5:b553c51b3b85 833 _, _, X, X, X, X, X, X, X, X, _, _
mhannay3 5:b553c51b3b85 834 };
mhannay3 10:8f73a917b239 835 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 10:8f73a917b239 836 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 837 }
mhannay3 5:b553c51b3b85 838
mhannay3 10:8f73a917b239 839 static void drawRook(int row, int column, bool white, bool light)
mhannay3 5:b553c51b3b85 840 {
mhannay3 5:b553c51b3b85 841 int X = white ? 0xffffff : 0x000000;
mhannay3 5:b553c51b3b85 842 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 843 int sprite[144] = {X, X, _, X, X, _, _, X, X, _, X, X,
mhannay3 5:b553c51b3b85 844 X, X, _, X, X, _, _, X, X, _, X, X,
mhannay3 5:b553c51b3b85 845 X, X, X, X, X, X, X, X, X, X, X, X,
mhannay3 5:b553c51b3b85 846 X, X, X, X, X, X, X, X, X, X, X, X,
mhannay3 5:b553c51b3b85 847 _, X, X, X, _, X, X, _, X, X, X, _,
mhannay3 5:b553c51b3b85 848 _, X, X, X, _, X, X, _, X, X, X, _,
mhannay3 5:b553c51b3b85 849 _, _, X, X, _, X, X, _, X, X, _, _,
mhannay3 5:b553c51b3b85 850 _, _, X, X, _, X, X, _, X, X, _, _,
mhannay3 5:b553c51b3b85 851 _, _, X, X, _, X, X, _, X, X, _, _,
mhannay3 5:b553c51b3b85 852 _, X, X, X, X, X, X, X, X, X, X, _,
mhannay3 5:b553c51b3b85 853 X, X, X, X, X, X, X, X, X, X, X, X,
mhannay3 5:b553c51b3b85 854 X, X, X, X, X, X, X, X, X, X, X, X
mhannay3 5:b553c51b3b85 855 };
mhannay3 10:8f73a917b239 856 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 10:8f73a917b239 857 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 858 }
mhannay3 5:b553c51b3b85 859
mhannay3 10:8f73a917b239 860 static void drawKnight(int row, int column, bool white, bool light)
mhannay3 5:b553c51b3b85 861 {
mhannay3 5:b553c51b3b85 862 int X = white ? 0xffffff : 0x000000;
mhannay3 5:b553c51b3b85 863 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 864 int sprite[144] = {_, _, _, _, _, _, _, _, _, _, _, _,
mhannay3 5:b553c51b3b85 865 _, _, _, _, _, X, X, _, X, X, _, _,
mhannay3 5:b553c51b3b85 866 _, _, _, _, _, X, X, _, X, X, _, _,
mhannay3 5:b553c51b3b85 867 _, _, _, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 868 _, _, X, X, X, X, X, _, X, _, _, _,
mhannay3 5:b553c51b3b85 869 _, _, X, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 870 _, _, _, _, _, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 871 _, _, _, _, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 872 _, _, _, X, X, X, X, X, X, X, _, _,
mhannay3 5:b553c51b3b85 873 _, _, X, X, X, X, X, X, X, X, _, _,
mhannay3 5:b553c51b3b85 874 _, X, X, X, X, X, X, X, X, X, X, _,
mhannay3 5:b553c51b3b85 875 _, X, X, X, X, X, X, X, X, X, X, _
mhannay3 5:b553c51b3b85 876 };
mhannay3 10:8f73a917b239 877 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 10:8f73a917b239 878 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 879 }
mhannay3 5:b553c51b3b85 880
mhannay3 10:8f73a917b239 881 static void drawBishop(int row, int column, bool white, bool light)
mhannay3 5:b553c51b3b85 882 {
mhannay3 5:b553c51b3b85 883 int X = white ? 0xffffff : 0x000000;
mhannay3 5:b553c51b3b85 884 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 885 int sprite[144] = {_, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 886 _, _, _, _, X, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 887 _, _, _, X, X, X, _, _, X, _, _, _,
mhannay3 5:b553c51b3b85 888 _, _, _, X, X, _, _, X, X, _, _, _,
mhannay3 5:b553c51b3b85 889 _, _, _, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 890 _, _, _, _, X, X, X, X, _, _, _, _,
mhannay3 5:b553c51b3b85 891 _, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 892 _, _, _, _, X, X, X, X, _, _, _, _,
mhannay3 5:b553c51b3b85 893 _, _, _, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 894 _, _, _, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 895 _, _, X, X, X, X, X, X, X, X, _, _,
mhannay3 5:b553c51b3b85 896 _, _, X, X, X, X, X, X, X, X, _, _
mhannay3 5:b553c51b3b85 897 };
mhannay3 10:8f73a917b239 898 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 10:8f73a917b239 899 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 900 }
mhannay3 5:b553c51b3b85 901
mhannay3 10:8f73a917b239 902 static void drawQueen(int row, int column, bool white, bool light)
mhannay3 5:b553c51b3b85 903 {
mhannay3 5:b553c51b3b85 904 int X = white ? 0xffffff : 0x000000;
mhannay3 5:b553c51b3b85 905 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 906 int sprite[144] = {_, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 907 _, _, X, _, _, X, X, _, _, X, _, _,
mhannay3 5:b553c51b3b85 908 X, _, X, X, _, X, X, _, X, X, _, X,
mhannay3 5:b553c51b3b85 909 X, _, X, X, _, X, X, _, X, X, _, X,
mhannay3 5:b553c51b3b85 910 X, _, X, X, _, X, X, _, X, X, _, X,
mhannay3 5:b553c51b3b85 911 X, X, X, X, X, X, X, X, X, X, X, X,
mhannay3 5:b553c51b3b85 912 X, X, X, X, X, X, X, X, X, X, X, X,
mhannay3 5:b553c51b3b85 913 X, X, _, X, X, X, X, X, X, _, X, X,
mhannay3 5:b553c51b3b85 914 X, X, X, X, _, X, X, _, X, X, X, X,
mhannay3 5:b553c51b3b85 915 _, X, X, X, X, X, X, X, X, X, X, _,
mhannay3 5:b553c51b3b85 916 _, _, X, X, X, X, X, X, X, X, _, _,
mhannay3 5:b553c51b3b85 917 _, X, X, X, X, X, X, X, X, X, X, _
mhannay3 5:b553c51b3b85 918 };
mhannay3 10:8f73a917b239 919 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 10:8f73a917b239 920 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 921 }
mhannay3 5:b553c51b3b85 922
mhannay3 10:8f73a917b239 923 static void drawKing(int row, int column, bool white, bool light)
mhannay3 5:b553c51b3b85 924 {
mhannay3 5:b553c51b3b85 925 int X = white ? 0xffffff : 0x000000;
mhannay3 5:b553c51b3b85 926 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 927 int sprite[144] = {_, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 928 _, _, _, _, _, X, X, _, _, _, _, _,
mhannay3 5:b553c51b3b85 929 _, _, _, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 930 _, _, _, X, X, X, X, X, X, _, _, _,
mhannay3 5:b553c51b3b85 931 X, X, _, _, _, X, X, _, _, _, X, X,
mhannay3 5:b553c51b3b85 932 X, X, X, X, _, X, X, _, X, X, X, X,
mhannay3 5:b553c51b3b85 933 X, _, X, X, X, X, X, X, X, X, _, X,
mhannay3 5:b553c51b3b85 934 X, X, X, X, X, X, X, X, X, X, X, X,
mhannay3 5:b553c51b3b85 935 X, X, X, _, X, X, X, X, _, X, X, X,
mhannay3 5:b553c51b3b85 936 _, X, X, X, X, X, X, X, X, X, X, _,
mhannay3 5:b553c51b3b85 937 _, _, X, X, X, _, _, X, X, X, _, _,
mhannay3 5:b553c51b3b85 938 _, X, X, X, X, X, X, X, X, X, X, _
mhannay3 5:b553c51b3b85 939 };
mhannay3 10:8f73a917b239 940 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 10:8f73a917b239 941 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 942 }
mhannay3 5:b553c51b3b85 943
mhannay3 5:b553c51b3b85 944 public:
mhannay3 5:b553c51b3b85 945 BoardState getBoardState()
mhannay3 5:b553c51b3b85 946 {
mhannay3 5:b553c51b3b85 947 return boardState;
mhannay3 5:b553c51b3b85 948 }
mhannay3 5:b553c51b3b85 949
mhannay3 5:b553c51b3b85 950 void setBoardState(BoardState newBoardState)
mhannay3 5:b553c51b3b85 951 {
mhannay3 5:b553c51b3b85 952 boardState = newBoardState;
mhannay3 5:b553c51b3b85 953 }
mhannay3 5:b553c51b3b85 954
mhannay3 5:b553c51b3b85 955 // initializes the starting board state
mhannay3 5:b553c51b3b85 956 GameBoard()
mhannay3 5:b553c51b3b85 957 {
mhannay3 5:b553c51b3b85 958 // draw board
mhannay3 5:b553c51b3b85 959 for (int row = 0; row < 8; row++) {
mhannay3 5:b553c51b3b85 960 for (int column = 0; column < 8; column++) {
mhannay3 5:b553c51b3b85 961 uint64_t color;
mhannay3 5:b553c51b3b85 962 if ((row + column) % 2 == 0) {
mhannay3 5:b553c51b3b85 963 color = BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 964 } else {
mhannay3 5:b553c51b3b85 965 color = BOARD_LIGHT_COLOR;
mhannay3 5:b553c51b3b85 966 }
mhannay3 6:1c4dd5e24b8d 967 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 968 uLCD.filled_rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, color);
mhannay3 5:b553c51b3b85 969 }
mhannay3 5:b553c51b3b85 970 }
mhannay3 5:b553c51b3b85 971 // draw pieces
mhannay3 5:b553c51b3b85 972 placePieceAndDraw(wR, 0, 0);
mhannay3 5:b553c51b3b85 973 placePieceAndDraw(wN, 0, 1);
mhannay3 5:b553c51b3b85 974 placePieceAndDraw(wB, 0, 2);
mhannay3 5:b553c51b3b85 975 placePieceAndDraw(wQ, 0, 3);
mhannay3 5:b553c51b3b85 976 placePieceAndDraw(wK, 0, 4);
mhannay3 5:b553c51b3b85 977 placePieceAndDraw(wB, 0, 5);
mhannay3 5:b553c51b3b85 978 placePieceAndDraw(wN, 0, 6);
mhannay3 5:b553c51b3b85 979 placePieceAndDraw(wR, 0, 7);
mhannay3 5:b553c51b3b85 980 placePieceAndDraw(bR, 7, 0);
mhannay3 5:b553c51b3b85 981 placePieceAndDraw(bN, 7, 1);
mhannay3 5:b553c51b3b85 982 placePieceAndDraw(bB, 7, 2);
mhannay3 5:b553c51b3b85 983 placePieceAndDraw(bQ, 7, 3);
mhannay3 5:b553c51b3b85 984 placePieceAndDraw(bK, 7, 4);
mhannay3 5:b553c51b3b85 985 placePieceAndDraw(bB, 7, 5);
mhannay3 5:b553c51b3b85 986 placePieceAndDraw(bN, 7, 6);
mhannay3 5:b553c51b3b85 987 placePieceAndDraw(bR, 7, 7);
mhannay3 5:b553c51b3b85 988 for (int i = 0; i < 8; i++) {
mhannay3 5:b553c51b3b85 989 placePieceAndDraw(w, 1, i);
mhannay3 5:b553c51b3b85 990 placePieceAndDraw(b, 6, i);
mhannay3 5:b553c51b3b85 991 }
mhannay3 5:b553c51b3b85 992 }
mhannay3 5:b553c51b3b85 993
mhannay3 5:b553c51b3b85 994 // PIECE MOVEMENT AND GRAPHICS FUNCTIONS
mhannay3 5:b553c51b3b85 995
mhannay3 5:b553c51b3b85 996 // returns the piece at a given location
mhannay3 7:9e01c9a334dc 997 Piece getPiece(boardPos pos)
mhannay3 7:9e01c9a334dc 998 {
mhannay3 7:9e01c9a334dc 999 return getPiece(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 1000 }
mhannay3 5:b553c51b3b85 1001 Piece getPiece(int row, int column)
mhannay3 5:b553c51b3b85 1002 {
mhannay3 5:b553c51b3b85 1003 return boardState.getPiece(row, column);
mhannay3 5:b553c51b3b85 1004 }
mhannay3 5:b553c51b3b85 1005
mhannay3 5:b553c51b3b85 1006 /* puts the bit representation of a piece at the set position of the board
mhannay3 5:b553c51b3b85 1007 assumes that the position of the board is emptied beforehand
mhannay3 5:b553c51b3b85 1008 */
mhannay3 7:9e01c9a334dc 1009 void placePieceAndDraw(Piece piece, boardPos pos)
mhannay3 7:9e01c9a334dc 1010 {
mhannay3 7:9e01c9a334dc 1011 placePieceAndDraw(piece, pos.row, pos.column);
mhannay3 7:9e01c9a334dc 1012 }
mhannay3 5:b553c51b3b85 1013 void placePieceAndDraw(Piece piece, int row, int column)
mhannay3 5:b553c51b3b85 1014 {
mhannay3 5:b553c51b3b85 1015 boardState.placePiece(piece, row, column);
mhannay3 6:1c4dd5e24b8d 1016 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 1017 switch(piece) {
mhannay3 5:b553c51b3b85 1018 case wK:
mhannay3 5:b553c51b3b85 1019 case bK:
mhannay3 10:8f73a917b239 1020 drawKing(row, column, piece==wK, (row+column)%2);
mhannay3 5:b553c51b3b85 1021 break;
mhannay3 5:b553c51b3b85 1022 case wQ:
mhannay3 5:b553c51b3b85 1023 case bQ:
mhannay3 10:8f73a917b239 1024 drawQueen(row, column, piece==wQ, (row+column)%2);
mhannay3 5:b553c51b3b85 1025 break;
mhannay3 5:b553c51b3b85 1026 case wB:
mhannay3 5:b553c51b3b85 1027 case bB:
mhannay3 10:8f73a917b239 1028 drawBishop(row, column, piece==wB, (row+column)%2);
mhannay3 5:b553c51b3b85 1029 break;
mhannay3 5:b553c51b3b85 1030 case wN:
mhannay3 5:b553c51b3b85 1031 case bN:
mhannay3 10:8f73a917b239 1032 drawKnight(row, column, piece==wN, (row+column)%2);
mhannay3 5:b553c51b3b85 1033 break;
mhannay3 5:b553c51b3b85 1034 case wR:
mhannay3 5:b553c51b3b85 1035 case bR:
mhannay3 10:8f73a917b239 1036 drawRook(row, column, piece==wR, (row+column)%2);
mhannay3 5:b553c51b3b85 1037 break;
mhannay3 5:b553c51b3b85 1038 case w:
mhannay3 5:b553c51b3b85 1039 case b:
mhannay3 15:cae96e8b62a3 1040 if (piece == w && row == 7) {
mhannay3 15:cae96e8b62a3 1041 drawQueen(row, column, true, (row+column)%2);
mhannay3 15:cae96e8b62a3 1042 } else if (piece == b && row == 0) {
mhannay3 15:cae96e8b62a3 1043 drawQueen(row, column, false, (row+column)%2);
mhannay3 15:cae96e8b62a3 1044 } else {
mhannay3 15:cae96e8b62a3 1045 drawPawn(row, column, piece==w, (row+column)%2);
mhannay3 15:cae96e8b62a3 1046 }
mhannay3 5:b553c51b3b85 1047 break;
mhannay3 13:3c6da0590428 1048
mhannay3 5:b553c51b3b85 1049 }
mhannay3 5:b553c51b3b85 1050 }
mhannay3 5:b553c51b3b85 1051
mhannay3 5:b553c51b3b85 1052 /* removes a piece from the set position of the board
mhannay3 5:b553c51b3b85 1053 returns the bit representation of the piece
mhannay3 5:b553c51b3b85 1054 */
mhannay3 7:9e01c9a334dc 1055 Piece removePieceAndDraw(boardPos pos)
mhannay3 7:9e01c9a334dc 1056 {
mhannay3 7:9e01c9a334dc 1057 return removePieceAndDraw(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 1058 }
mhannay3 5:b553c51b3b85 1059 Piece removePieceAndDraw(int row, int column)
mhannay3 5:b553c51b3b85 1060 {
mhannay3 5:b553c51b3b85 1061 Piece removedPiece = boardState.removePiece(row, column);
mhannay3 6:1c4dd5e24b8d 1062 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 1:cd78922f70fa 1063 uint64_t color;
mhannay3 1:cd78922f70fa 1064 if ((row + column) % 2 == 0) {
mhannay3 1:cd78922f70fa 1065 color = BOARD_DARK_COLOR;
mhannay3 1:cd78922f70fa 1066 } else {
mhannay3 1:cd78922f70fa 1067 color = BOARD_LIGHT_COLOR;
mhannay3 1:cd78922f70fa 1068 }
mhannay3 5:b553c51b3b85 1069 uLCD.filled_rectangle(tl.x+2, tl.y+2, tl.x + 13, tl.y + 13, color);
mhannay3 5:b553c51b3b85 1070 return removedPiece;
mhannay3 5:b553c51b3b85 1071 }
mhannay3 5:b553c51b3b85 1072
mhannay3 5:b553c51b3b85 1073 /* moves a piece from one position to another
mhannay3 5:b553c51b3b85 1074 returns the captured piece
mhannay3 5:b553c51b3b85 1075 */
mhannay3 7:9e01c9a334dc 1076 Piece movePieceAndDraw(boardPos startPos, boardPos endPos)
mhannay3 7:9e01c9a334dc 1077 {
mhannay3 7:9e01c9a334dc 1078 return movePieceAndDraw(startPos.row, startPos.column, endPos.row, endPos.column);
mhannay3 7:9e01c9a334dc 1079 }
mhannay3 5:b553c51b3b85 1080 Piece movePieceAndDraw(int startRow, int startColumn, int endRow, int endColumn)
mhannay3 5:b553c51b3b85 1081 {
mhannay3 5:b553c51b3b85 1082 Piece movingPiece = removePieceAndDraw(startRow, startColumn);
mhannay3 5:b553c51b3b85 1083 Piece capturedPiece = boardState.removePiece(endRow, endColumn);
mhannay3 5:b553c51b3b85 1084 placePieceAndDraw(movingPiece, endRow, endColumn);
mhannay3 5:b553c51b3b85 1085 return capturedPiece;
mhannay3 1:cd78922f70fa 1086 }
mhannay3 1:cd78922f70fa 1087
mhannay3 5:b553c51b3b85 1088 // SQUARE BORDER GRAPHICS FUNCTIONS
mhannay3 5:b553c51b3b85 1089
mhannay3 5:b553c51b3b85 1090 // removes selection border around square
mhannay3 7:9e01c9a334dc 1091 void unselectSquare(boardPos pos)
mhannay3 7:9e01c9a334dc 1092 {
mhannay3 7:9e01c9a334dc 1093 unselectSquare(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 1094 }
mhannay3 5:b553c51b3b85 1095 void unselectSquare(int row, int column)
mhannay3 5:b553c51b3b85 1096 {
mus3 11:43c89579ac52 1097 if (row < 0 || row > 7 || column < 0 || column > 7) {
mus3 11:43c89579ac52 1098 return;
mus3 11:43c89579ac52 1099 }
mhannay3 6:1c4dd5e24b8d 1100 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 1101 uint64_t color;
mhannay3 5:b553c51b3b85 1102 if ((row + column) % 2 == 0) {
mhannay3 5:b553c51b3b85 1103 color = BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 1104 } else {
mhannay3 5:b553c51b3b85 1105 color = BOARD_LIGHT_COLOR;
mhannay3 5:b553c51b3b85 1106 }
mhannay3 5:b553c51b3b85 1107 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, color);
mhannay3 5:b553c51b3b85 1108 }
mhannay3 5:b553c51b3b85 1109
mhannay3 7:9e01c9a334dc 1110 // draws the hover border around square
mhannay3 7:9e01c9a334dc 1111 void hoverSquare(boardPos pos)
mhannay3 7:9e01c9a334dc 1112 {
mhannay3 7:9e01c9a334dc 1113 hoverSquare(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 1114 }
mhannay3 5:b553c51b3b85 1115 void hoverSquare(int row, int column)
mhannay3 5:b553c51b3b85 1116 {
mhannay3 6:1c4dd5e24b8d 1117 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 1118 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, HOVER_COLOR);
mhannay3 1:cd78922f70fa 1119 }
mhannay3 1:cd78922f70fa 1120
mhannay3 1:cd78922f70fa 1121 // draws selection border around square
mhannay3 7:9e01c9a334dc 1122 void selectSquare(boardPos pos)
mhannay3 7:9e01c9a334dc 1123 {
mhannay3 7:9e01c9a334dc 1124 selectSquare(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 1125 }
mhannay3 5:b553c51b3b85 1126 void selectSquare(int row, int column)
mhannay3 5:b553c51b3b85 1127 {
mus3 11:43c89579ac52 1128 if (row < 0 || row > 7 || column < 0 || column > 7) {
mus3 11:43c89579ac52 1129 return;
mus3 11:43c89579ac52 1130 }
mhannay3 6:1c4dd5e24b8d 1131 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 1132 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, SELECTED_COLOR);
mhannay3 1:cd78922f70fa 1133 }
mhannay3 9:1f33c0f299ae 1134
mhannay3 8:928d5d33258f 1135 // draws the movement border around square
mhannay3 9:1f33c0f299ae 1136 void movementSquare(boardPos pos)
mhannay3 8:928d5d33258f 1137 {
mhannay3 9:1f33c0f299ae 1138 movementSquare(pos.row, pos.column);
mhannay3 8:928d5d33258f 1139 }
mhannay3 9:1f33c0f299ae 1140 void movementSquare(int row, int column)
mhannay3 8:928d5d33258f 1141 {
mhannay3 8:928d5d33258f 1142 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 8:928d5d33258f 1143 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, MOVE_COLOR);
mhannay3 8:928d5d33258f 1144 }
mhannay3 5:b553c51b3b85 1145 };
mus3 0:d16cc59110a3 1146
mhannay3 7:9e01c9a334dc 1147 // game variables
mhannay3 7:9e01c9a334dc 1148 GameBoard gameBoard;
mhannay3 7:9e01c9a334dc 1149 GameState state = whiteSelecting;
mhannay3 7:9e01c9a334dc 1150 boardPos cursorPos = (boardPos)
mhannay3 7:9e01c9a334dc 1151 {
mhannay3 7:9e01c9a334dc 1152 3, 4
mhannay3 7:9e01c9a334dc 1153 };
mus3 14:f390d08e5f92 1154 bool OnePlayer = true;
mhannay3 8:928d5d33258f 1155 boardPos selectedPos;
mhannay3 9:1f33c0f299ae 1156 Piece selectedPiece;
mhannay3 9:1f33c0f299ae 1157 std::vector<boardPos> possibleMoves;
mhannay3 7:9e01c9a334dc 1158
mhannay3 7:9e01c9a334dc 1159 // callbacks
mhannay3 9:1f33c0f299ae 1160 void moveCursor(int rowChange, int columnChange)
mhannay3 9:1f33c0f299ae 1161 {
mhannay3 9:1f33c0f299ae 1162 // calculate new positoin that is within board bounds
mhannay3 9:1f33c0f299ae 1163 int newRow = cursorPos.row + rowChange;
mhannay3 9:1f33c0f299ae 1164 newRow = newRow <= 7 ? newRow : 7;
mhannay3 9:1f33c0f299ae 1165 newRow = newRow >= 0 ? newRow : 0;
mhannay3 9:1f33c0f299ae 1166 int newColumn = cursorPos.column + columnChange;
mhannay3 9:1f33c0f299ae 1167 newColumn = newColumn <= 7 ? newColumn : 7;
mhannay3 9:1f33c0f299ae 1168 newColumn = newColumn >= 0 ? newColumn : 0;
mhannay3 9:1f33c0f299ae 1169 boardPos newPos = (boardPos) {
mhannay3 9:1f33c0f299ae 1170 newRow, newColumn
mhannay3 9:1f33c0f299ae 1171 };
mhannay3 9:1f33c0f299ae 1172
mhannay3 9:1f33c0f299ae 1173 // draw border around square that should be there after moving cursor off
mhannay3 9:1f33c0f299ae 1174 if (cursorPos == selectedPos) {
mhannay3 9:1f33c0f299ae 1175 gameBoard.selectSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1176 } else if (std::find(possibleMoves.begin(), possibleMoves.end(), cursorPos) != possibleMoves.end()) {
mhannay3 9:1f33c0f299ae 1177 gameBoard.movementSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1178 } else {
mhannay3 9:1f33c0f299ae 1179 gameBoard.unselectSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1180 }
mhannay3 9:1f33c0f299ae 1181
mhannay3 9:1f33c0f299ae 1182 // draw hover rectangle over new square
mhannay3 9:1f33c0f299ae 1183 cursorPos = newPos;
mhannay3 9:1f33c0f299ae 1184 gameBoard.hoverSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1185 }
mhannay3 9:1f33c0f299ae 1186
mhannay3 7:9e01c9a334dc 1187 void joyStickUp()
mhannay3 7:9e01c9a334dc 1188 {
mhannay3 9:1f33c0f299ae 1189 moveCursor(1, 0);
mhannay3 7:9e01c9a334dc 1190 }
mhannay3 7:9e01c9a334dc 1191
mhannay3 7:9e01c9a334dc 1192 void joyStickDown()
mhannay3 7:9e01c9a334dc 1193 {
mhannay3 9:1f33c0f299ae 1194 moveCursor(-1, 0);
mhannay3 7:9e01c9a334dc 1195 }
mhannay3 7:9e01c9a334dc 1196
mhannay3 7:9e01c9a334dc 1197 void joyStickLeft()
mhannay3 7:9e01c9a334dc 1198 {
mhannay3 9:1f33c0f299ae 1199 moveCursor(0, -1);
mhannay3 7:9e01c9a334dc 1200 }
mhannay3 7:9e01c9a334dc 1201
mhannay3 7:9e01c9a334dc 1202 void joyStickRight()
mhannay3 7:9e01c9a334dc 1203 {
mhannay3 9:1f33c0f299ae 1204 moveCursor(0, 1);
mhannay3 7:9e01c9a334dc 1205 }
mhannay3 7:9e01c9a334dc 1206
mhannay3 7:9e01c9a334dc 1207 void joyStickPressed()
mhannay3 7:9e01c9a334dc 1208 {
mhannay3 8:928d5d33258f 1209 switch(state) {
mhannay3 8:928d5d33258f 1210 case whiteSelecting:
mhannay3 9:1f33c0f299ae 1211 case blackSelecting: {
mus3 11:43c89579ac52 1212 possibleMoves.clear();
mhannay3 8:928d5d33258f 1213 selectedPos = cursorPos;
mhannay3 9:1f33c0f299ae 1214 Piece tempPiece = gameBoard.getPiece(cursorPos);
mhannay3 9:1f33c0f299ae 1215 std::vector<Piece> pickablePieces = state == whiteSelecting ? whitePieces : blackPieces;
mhannay3 9:1f33c0f299ae 1216 // check that piece is white and able to be picked up
mhannay3 9:1f33c0f299ae 1217 if (std::find(pickablePieces.begin(), pickablePieces.end(), tempPiece) != pickablePieces.end()) {
mhannay3 9:1f33c0f299ae 1218 selectedPiece = tempPiece;
mhannay3 9:1f33c0f299ae 1219 possibleMoves = gameBoard.getBoardState().getMoves(cursorPos);
mhannay3 9:1f33c0f299ae 1220 // draw movement squares
mhannay3 9:1f33c0f299ae 1221 for (std::vector<boardPos>::iterator it = possibleMoves.begin(); it != possibleMoves.end(); ++it) {
mhannay3 9:1f33c0f299ae 1222 gameBoard.movementSquare(*it);
mhannay3 9:1f33c0f299ae 1223 }
mhannay3 9:1f33c0f299ae 1224 gameBoard.selectSquare(selectedPos);
mus3 11:43c89579ac52 1225 // transition state
mus3 14:f390d08e5f92 1226 if (OnePlayer) {
mus3 14:f390d08e5f92 1227 state = whitePickedUp;
mus3 14:f390d08e5f92 1228 } else {
mus3 14:f390d08e5f92 1229 state = state == whiteSelecting ? whitePickedUp : blackPickedUp;
mus3 14:f390d08e5f92 1230 }
mus3 11:43c89579ac52 1231 } else {
mhannay3 13:3c6da0590428 1232 selectedPos = (boardPos) {
mus3 11:43c89579ac52 1233 10, 10
mus3 11:43c89579ac52 1234 };
mhannay3 9:1f33c0f299ae 1235 }
mhannay3 8:928d5d33258f 1236 break;
mhannay3 9:1f33c0f299ae 1237 }
mhannay3 9:1f33c0f299ae 1238 case whitePickedUp:
mhannay3 9:1f33c0f299ae 1239 case blackPickedUp: {
mhannay3 9:1f33c0f299ae 1240 // check if move is valid
mhannay3 9:1f33c0f299ae 1241 if (std::find(possibleMoves.begin(), possibleMoves.end(), cursorPos) != possibleMoves.end()) {
mhannay3 9:1f33c0f299ae 1242 // move the piece
mhannay3 9:1f33c0f299ae 1243 Piece capturedPiece = gameBoard.movePieceAndDraw(selectedPos, cursorPos);
mhannay3 9:1f33c0f299ae 1244 // check for king capture
mhannay3 9:1f33c0f299ae 1245 if (state == whitePickedUp && capturedPiece == bK || state == blackPickedUp && capturedPiece == wK) {
mhannay3 9:1f33c0f299ae 1246 // game end
mhannay3 9:1f33c0f299ae 1247 }
mhannay3 9:1f33c0f299ae 1248 // transition state
mus3 14:f390d08e5f92 1249 if (OnePlayer) {
mus3 14:f390d08e5f92 1250 state = blackAI;
mus3 14:f390d08e5f92 1251 } else {
mus3 14:f390d08e5f92 1252 state = state == whitePickedUp ? blackSelecting : whiteSelecting;
mus3 14:f390d08e5f92 1253 }
mhannay3 9:1f33c0f299ae 1254 // check if placing piece back down
mus3 11:43c89579ac52 1255 } else {
mhannay3 9:1f33c0f299ae 1256 // transition state
mhannay3 9:1f33c0f299ae 1257 state = state == whitePickedUp ? whiteSelecting : blackSelecting;
mhannay3 9:1f33c0f299ae 1258 }
mhannay3 9:1f33c0f299ae 1259 // unselect movement squares
mhannay3 9:1f33c0f299ae 1260 for (std::vector<boardPos>::iterator it = possibleMoves.begin(); it != possibleMoves.end(); ++it) {
mhannay3 9:1f33c0f299ae 1261 gameBoard.unselectSquare(*it);
mhannay3 9:1f33c0f299ae 1262 }
mhannay3 9:1f33c0f299ae 1263 gameBoard.unselectSquare(selectedPos);
mhannay3 9:1f33c0f299ae 1264 gameBoard.hoverSquare(cursorPos);
mus3 11:43c89579ac52 1265 possibleMoves.clear();
mhannay3 13:3c6da0590428 1266 selectedPos = (boardPos) {
mus3 11:43c89579ac52 1267 10, 10
mus3 11:43c89579ac52 1268 };
mhannay3 8:928d5d33258f 1269 break;
mhannay3 9:1f33c0f299ae 1270 }
mhannay3 9:1f33c0f299ae 1271 case whiteAI:
mus3 14:f390d08e5f92 1272 break;
mhannay3 9:1f33c0f299ae 1273 case blackAI: {
mus3 14:f390d08e5f92 1274 boardPos bestMoveSourceDepth0 = (boardPos) {
mus3 14:f390d08e5f92 1275 0, 0
mus3 14:f390d08e5f92 1276 };
mus3 14:f390d08e5f92 1277 boardPos bestMoveDestDepth0 = (boardPos) {
mus3 14:f390d08e5f92 1278 0, 0
mus3 14:f390d08e5f92 1279 };
mus3 14:f390d08e5f92 1280 float bestMoveValueDepth0 = 100000.0;
mus3 14:f390d08e5f92 1281 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 1282 boardPos currSourceDepth0 = (boardPos) {
mus3 14:f390d08e5f92 1283 i/8, i%8
mus3 14:f390d08e5f92 1284 };
mus3 14:f390d08e5f92 1285 Piece currPieceDepth0 = gameBoard.getBoardState().getPiece(i/8, i%8);
mus3 14:f390d08e5f92 1286 if (currPieceDepth0 == bK || currPieceDepth0 == bQ || currPieceDepth0 == bR || currPieceDepth0 == bB || currPieceDepth0 == bN || currPieceDepth0 == b) {
mus3 14:f390d08e5f92 1287 std::vector<boardPos> possibleMovesDepth0 = gameBoard.getBoardState().getMoves(currSourceDepth0);
mus3 14:f390d08e5f92 1288 for (std::vector<boardPos>::iterator it = possibleMovesDepth0.begin(); it != possibleMovesDepth0.end(); ++it) {
mus3 14:f390d08e5f92 1289 BoardState bsDepth0;
mus3 14:f390d08e5f92 1290 for (int j = 0; j < 64; j++) {
mus3 14:f390d08e5f92 1291 bsDepth0.placePiece(gameBoard.getBoardState().getPiece(j/8, j%8), j/8, j%8);
mus3 14:f390d08e5f92 1292 }
mus3 14:f390d08e5f92 1293 bsDepth0.movePiece(currSourceDepth0.row, currSourceDepth0.column, (*it).row, (*it).column);
mus3 14:f390d08e5f92 1294 float bestMoveValueDepth1 = -100000.0;
mus3 14:f390d08e5f92 1295 for (int i2 = 0; i2 < 64; i2++) {
mus3 14:f390d08e5f92 1296 boardPos currSourceDepth1 = (boardPos) {
mus3 14:f390d08e5f92 1297 i2/8, i2%8
mus3 14:f390d08e5f92 1298 };
mus3 14:f390d08e5f92 1299 Piece currPieceDepth1 = bsDepth0.getPiece(i2/8, i2%8);
mus3 14:f390d08e5f92 1300 if (currPieceDepth1 == wK || currPieceDepth1 == wQ || currPieceDepth1 == wR || currPieceDepth1 == wB || currPieceDepth1 == wN || currPieceDepth1 == w) {
mus3 14:f390d08e5f92 1301 std::vector<boardPos> possibleMovesDepth1 = bsDepth0.getMoves(currSourceDepth1);
mus3 14:f390d08e5f92 1302 for (std::vector<boardPos>::iterator it2 = possibleMovesDepth1.begin(); it2 != possibleMovesDepth1.end(); ++it2) {
mus3 14:f390d08e5f92 1303 BoardState bsDepth1;
mus3 14:f390d08e5f92 1304 for (int j2 = 0; j2 < 64; j2++) {
mus3 14:f390d08e5f92 1305 bsDepth1.placePiece(bsDepth0.getPiece(j2/8, j2%8), j2/8, j2%8);
mus3 14:f390d08e5f92 1306 }
mus3 14:f390d08e5f92 1307 bsDepth1.movePiece(currSourceDepth1.row, currSourceDepth1.column, (*it2).row, (*it2).column);
mus3 14:f390d08e5f92 1308 float bestMoveValueDepth2 = 100000.0;
mus3 14:f390d08e5f92 1309 for (int i3 = 0; i3 < 64; i3++) {
mus3 14:f390d08e5f92 1310 boardPos currSourceDepth2 = (boardPos) {
mus3 14:f390d08e5f92 1311 i3/8, i3%8
mus3 14:f390d08e5f92 1312 };
mus3 14:f390d08e5f92 1313 Piece currPieceDepth2 = bsDepth1.getPiece(i3/8, i3%8);
mus3 14:f390d08e5f92 1314 if (currPieceDepth2 == bK || currPieceDepth2 == bQ || currPieceDepth2 == bR || currPieceDepth2 == bB || currPieceDepth2 == bN || currPieceDepth2 == b) {
mus3 14:f390d08e5f92 1315 std::vector<boardPos> possibleMovesDepth2 = bsDepth1.getMoves(currSourceDepth2);
mus3 14:f390d08e5f92 1316 for (std::vector<boardPos>::iterator it3 = possibleMovesDepth2.begin(); it3 != possibleMovesDepth2.end(); ++it3) {
mus3 14:f390d08e5f92 1317 BoardState bsDepth2;
mus3 14:f390d08e5f92 1318 for (int j3 = 0; j3 < 64; j3++) {
mus3 14:f390d08e5f92 1319 bsDepth2.placePiece(bsDepth1.getPiece(j3/8, j3%8), j3/8, j3%8);
mus3 14:f390d08e5f92 1320 }
mus3 14:f390d08e5f92 1321 bsDepth2.movePiece(currSourceDepth2.row, currSourceDepth2.column, (*it3).row, (*it3).column);
mus3 14:f390d08e5f92 1322 float thisMoveValueDepth2 = bsDepth2.calculateBoardState();
mus3 14:f390d08e5f92 1323 if (thisMoveValueDepth2 < bestMoveValueDepth2) {
mus3 14:f390d08e5f92 1324 bestMoveValueDepth2 = thisMoveValueDepth2;
mus3 14:f390d08e5f92 1325 }
mus3 14:f390d08e5f92 1326 }
mus3 14:f390d08e5f92 1327 }
mus3 14:f390d08e5f92 1328 }
mus3 14:f390d08e5f92 1329 if (bestMoveValueDepth2 > bestMoveValueDepth1) {
mus3 14:f390d08e5f92 1330 bestMoveValueDepth1 = bestMoveValueDepth2;
mus3 14:f390d08e5f92 1331 }
mus3 14:f390d08e5f92 1332 }
mus3 14:f390d08e5f92 1333 }
mus3 14:f390d08e5f92 1334 }
mhannay3 15:cae96e8b62a3 1335
mus3 14:f390d08e5f92 1336 if (bestMoveValueDepth1 < bestMoveValueDepth0) {
mus3 14:f390d08e5f92 1337 bestMoveSourceDepth0 = currSourceDepth0;
mus3 14:f390d08e5f92 1338 bestMoveDestDepth0 = *it;
mus3 14:f390d08e5f92 1339 bestMoveValueDepth0 = bestMoveValueDepth1;
mus3 14:f390d08e5f92 1340 }
mus3 14:f390d08e5f92 1341 }
mus3 14:f390d08e5f92 1342 }
mus3 14:f390d08e5f92 1343 }
mus3 14:f390d08e5f92 1344 Piece capturedPiece = gameBoard.movePieceAndDraw(bestMoveSourceDepth0, bestMoveDestDepth0);
mus3 14:f390d08e5f92 1345 if (capturedPiece == bK) {
mus3 14:f390d08e5f92 1346 // game end
mus3 14:f390d08e5f92 1347 }
mus3 14:f390d08e5f92 1348 state = whiteSelecting;
mhannay3 8:928d5d33258f 1349 break;
mhannay3 9:1f33c0f299ae 1350 }
mus3 14:f390d08e5f92 1351 default: {
mhannay3 8:928d5d33258f 1352 break;
mhannay3 9:1f33c0f299ae 1353 }
mhannay3 8:928d5d33258f 1354 }
mhannay3 7:9e01c9a334dc 1355 }
mhannay3 7:9e01c9a334dc 1356
mhannay3 13:3c6da0590428 1357 // bluetooth
mhannay3 13:3c6da0590428 1358 volatile bool button_ready = 0;
mhannay3 13:3c6da0590428 1359 volatile int bnum = 0;
mhannay3 13:3c6da0590428 1360 volatile int bhit = 0;
mhannay3 13:3c6da0590428 1361 enum statetype {start = 0, got_exclm, got_B, got_num, got_hit};
mhannay3 13:3c6da0590428 1362 statetype bluetooth_state = start;
mhannay3 13:3c6da0590428 1363
mhannay3 13:3c6da0590428 1364 void parse_message()
mhannay3 13:3c6da0590428 1365 {
mhannay3 13:3c6da0590428 1366 switch (bluetooth_state) {
mhannay3 13:3c6da0590428 1367 case start:
mhannay3 13:3c6da0590428 1368 if (Blue.getc() == '!') bluetooth_state = got_exclm;
mhannay3 13:3c6da0590428 1369 else bluetooth_state = start;
mhannay3 13:3c6da0590428 1370 break;
mhannay3 13:3c6da0590428 1371 case got_exclm:
mhannay3 13:3c6da0590428 1372 if (Blue.getc() == 'B') bluetooth_state = got_B;
mhannay3 13:3c6da0590428 1373 else bluetooth_state = start;
mhannay3 13:3c6da0590428 1374 break;
mhannay3 13:3c6da0590428 1375 case got_B:
mhannay3 13:3c6da0590428 1376 bnum = Blue.getc();
mhannay3 13:3c6da0590428 1377 bluetooth_state = got_num;
mhannay3 13:3c6da0590428 1378 break;
mhannay3 13:3c6da0590428 1379 case got_num:
mhannay3 13:3c6da0590428 1380 bhit = Blue.getc();
mhannay3 13:3c6da0590428 1381 bluetooth_state = got_hit;
mhannay3 13:3c6da0590428 1382 break;
mhannay3 13:3c6da0590428 1383 case got_hit:
mhannay3 13:3c6da0590428 1384 if (Blue.getc() == char(~('!' + ' B' + bnum + bhit))) button_ready = 1;
mhannay3 13:3c6da0590428 1385 bluetooth_state = start;
mhannay3 13:3c6da0590428 1386 break;
mhannay3 13:3c6da0590428 1387 default:
mhannay3 13:3c6da0590428 1388 Blue.getc();
mhannay3 13:3c6da0590428 1389 bluetooth_state = start;
mhannay3 13:3c6da0590428 1390 }
mhannay3 13:3c6da0590428 1391 }
mhannay3 13:3c6da0590428 1392
mus3 11:43c89579ac52 1393 Nav_Switch myNav(p9, p6, p7, p5, p8); //pin order on Sparkfun breakout
mus3 11:43c89579ac52 1394
mhannay3 5:b553c51b3b85 1395 int main()
mhannay3 5:b553c51b3b85 1396 {
mhannay3 9:1f33c0f299ae 1397 whitePieces.push_back(wK);
mhannay3 9:1f33c0f299ae 1398 whitePieces.push_back(wQ);
mhannay3 9:1f33c0f299ae 1399 whitePieces.push_back(wB);
mhannay3 9:1f33c0f299ae 1400 whitePieces.push_back(wN);
mhannay3 9:1f33c0f299ae 1401 whitePieces.push_back(wR);
mhannay3 9:1f33c0f299ae 1402 whitePieces.push_back(w);
mhannay3 9:1f33c0f299ae 1403 blackPieces.push_back(bK);
mhannay3 9:1f33c0f299ae 1404 blackPieces.push_back(bQ);
mhannay3 9:1f33c0f299ae 1405 blackPieces.push_back(bB);
mhannay3 9:1f33c0f299ae 1406 blackPieces.push_back(bN);
mhannay3 9:1f33c0f299ae 1407 blackPieces.push_back(bR);
mhannay3 9:1f33c0f299ae 1408 blackPieces.push_back(b);
mhannay3 13:3c6da0590428 1409
mus3 11:43c89579ac52 1410 moveCursor(0, 0);
mhannay3 13:3c6da0590428 1411 Blue.attach(&parse_message,Serial::RxIrq);
mhannay3 13:3c6da0590428 1412
mus3 11:43c89579ac52 1413 while (1) {
mus3 14:f390d08e5f92 1414 if (state == blackAI) {
mus3 14:f390d08e5f92 1415 joyStickPressed();
mus3 14:f390d08e5f92 1416 }
mus3 11:43c89579ac52 1417 if (myNav.up()) {
mus3 11:43c89579ac52 1418 joyStickUp();
mus3 11:43c89579ac52 1419 } else if (myNav.down()) {
mus3 11:43c89579ac52 1420 joyStickDown();
mus3 11:43c89579ac52 1421 } else if (myNav.left()) {
mus3 11:43c89579ac52 1422 joyStickLeft();
mus3 11:43c89579ac52 1423 } else if (myNav.right()) {
mus3 11:43c89579ac52 1424 joyStickRight();
mus3 11:43c89579ac52 1425 } else if (myNav.fire()) {
mus3 11:43c89579ac52 1426 joyStickPressed();
mhannay3 13:3c6da0590428 1427 } else if (button_ready && bhit == '1') {
mhannay3 13:3c6da0590428 1428 switch(bnum) {
mhannay3 13:3c6da0590428 1429 case '1':
mhannay3 13:3c6da0590428 1430 joyStickPressed();
mhannay3 13:3c6da0590428 1431 break;
mhannay3 13:3c6da0590428 1432 case '5':
mhannay3 13:3c6da0590428 1433 joyStickUp();
mhannay3 13:3c6da0590428 1434 break;
mhannay3 13:3c6da0590428 1435 case '6':
mhannay3 13:3c6da0590428 1436 joyStickDown();
mhannay3 13:3c6da0590428 1437 break;
mhannay3 13:3c6da0590428 1438 case '7':
mhannay3 13:3c6da0590428 1439 joyStickLeft();
mhannay3 13:3c6da0590428 1440 break;
mhannay3 13:3c6da0590428 1441 case '8':
mhannay3 13:3c6da0590428 1442 joyStickRight();
mhannay3 13:3c6da0590428 1443 break;
mhannay3 13:3c6da0590428 1444 }
mhannay3 13:3c6da0590428 1445 button_ready = false;
mus3 11:43c89579ac52 1446 }
mus3 14:f390d08e5f92 1447 wait(0.2);
mus3 11:43c89579ac52 1448 }
mhannay3 1:cd78922f70fa 1449 }