ece4180_team / Mbed 2 deprecated chess_proj

Mert Us Matthew Hannay Logan Starr

Dependencies:   mbed 4DGL-uLCD-SE

main.cpp@17:4d74a661d6a0, 23 months ago (annotated)

Committer:
mus3
Date:
Mon Dec 05 12:12:50 2022 +0000
Revision:
17:4d74a661d6a0
Parent:
16:b66a720631dd
Child:
18:9b27f5dd7c4b
reset button, game mode switch, bad move led, also bluetooth button 2 for reset

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>
mus3 16:b66a720631dd 4
mhannay3 5:b553c51b3b85 5 uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
mus3 14:f390d08e5f92 6 Serial Blue(p13, p14);
mus3 16:b66a720631dd 7 DigitalOut bad_move(p18);
mus3 16:b66a720631dd 8 DigitalIn reset_button(p19);
mus3 16:b66a720631dd 9 DigitalIn game_mode_switch(p20);
mus3 16:b66a720631dd 10
mhannay3 5:b553c51b3b85 11 enum Piece {e, wK, bK, wQ, bQ, wR, bR, wB, bB, wN, bN, w, b};
mhannay3 9:1f33c0f299ae 12 std::vector<Piece> whitePieces;
mhannay3 9:1f33c0f299ae 13 std::vector<Piece> blackPieces;
mus3 16:b66a720631dd 14
mhannay3 9:1f33c0f299ae 15 enum GameState {whiteSelecting, whitePickedUp, whiteAI, blackSelecting, blackPickedUp, blackAI};
mus3 16:b66a720631dd 16
mhannay3 6:1c4dd5e24b8d 17 struct pixelCoord {
mhannay3 1:cd78922f70fa 18 uint8_t x;
mhannay3 1:cd78922f70fa 19 uint8_t y;
mhannay3 5:b553c51b3b85 20 };
mus3 16:b66a720631dd 21
mhannay3 6:1c4dd5e24b8d 22 struct boardPos {
mhannay3 6:1c4dd5e24b8d 23 uint8_t row;
mhannay3 6:1c4dd5e24b8d 24 uint8_t column;
mus3 16:b66a720631dd 25
mhannay3 9:1f33c0f299ae 26 bool operator==(const boardPos &other) const
mhannay3 9:1f33c0f299ae 27 {
mus3 11:43c89579ac52 28 return row == other.row && column == other.column;
mhannay3 9:1f33c0f299ae 29 }
mhannay3 6:1c4dd5e24b8d 30 };
mus3 16:b66a720631dd 31
mus3 11:43c89579ac52 32 class Nav_Switch
mus3 11:43c89579ac52 33 {
mus3 11:43c89579ac52 34 public:
mus3 11:43c89579ac52 35 Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
mus3 11:43c89579ac52 36 int read();
mus3 11:43c89579ac52 37 //boolean functions to test each switch
mus3 11:43c89579ac52 38 bool up();
mus3 11:43c89579ac52 39 bool down();
mus3 11:43c89579ac52 40 bool left();
mus3 11:43c89579ac52 41 bool right();
mus3 11:43c89579ac52 42 bool fire();
mus3 11:43c89579ac52 43 //automatic read on RHS
mus3 11:43c89579ac52 44 operator int ();
mus3 11:43c89579ac52 45 //index to any switch array style
mus3 16:b66a720631dd 46 bool operator[](int index)
mus3 16:b66a720631dd 47 {
mus3 11:43c89579ac52 48 return _pins[index];
mus3 11:43c89579ac52 49 };
mus3 11:43c89579ac52 50 private:
mus3 11:43c89579ac52 51 BusIn _pins;
mus3 16:b66a720631dd 52
mus3 11:43c89579ac52 53 };
mus3 11:43c89579ac52 54 Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
mus3 11:43c89579ac52 55 _pins(up, down, left, right, fire)
mus3 11:43c89579ac52 56 {
mus3 11:43c89579ac52 57 _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
mus3 11:43c89579ac52 58 wait(0.001); //delays just a bit for pullups to pull inputs high
mus3 11:43c89579ac52 59 }
mus3 11:43c89579ac52 60 inline bool Nav_Switch::up()
mus3 11:43c89579ac52 61 {
mus3 11:43c89579ac52 62 return !(_pins[0]);
mus3 11:43c89579ac52 63 }
mus3 11:43c89579ac52 64 inline bool Nav_Switch::down()
mus3 11:43c89579ac52 65 {
mus3 11:43c89579ac52 66 return !(_pins[1]);
mus3 11:43c89579ac52 67 }
mus3 11:43c89579ac52 68 inline bool Nav_Switch::left()
mus3 11:43c89579ac52 69 {
mus3 11:43c89579ac52 70 return !(_pins[2]);
mus3 11:43c89579ac52 71 }
mus3 11:43c89579ac52 72 inline bool Nav_Switch::right()
mus3 11:43c89579ac52 73 {
mus3 11:43c89579ac52 74 return !(_pins[3]);
mus3 11:43c89579ac52 75 }
mus3 11:43c89579ac52 76 inline bool Nav_Switch::fire()
mus3 11:43c89579ac52 77 {
mus3 11:43c89579ac52 78 return !(_pins[4]);
mus3 11:43c89579ac52 79 }
mus3 11:43c89579ac52 80 inline int Nav_Switch::read()
mus3 11:43c89579ac52 81 {
mus3 11:43c89579ac52 82 return _pins.read();
mus3 11:43c89579ac52 83 }
mus3 11:43c89579ac52 84 inline Nav_Switch::operator int ()
mus3 11:43c89579ac52 85 {
mus3 11:43c89579ac52 86 return _pins.read();
mus3 11:43c89579ac52 87 }
mus3 11:43c89579ac52 88
mus3 16:b66a720631dd 89 const int BOARD_DARK_COLOR = 0x769656;
mus3 16:b66a720631dd 90 const int BOARD_LIGHT_COLOR = 0xbaca44;
mus3 16:b66a720631dd 91
mus3 14:f390d08e5f92 92 const float KING_POSITION_VALUES[] = {2.0, 3.0, 1.0, 0.0, 0.0, 1.0, 3.0, 2,0,
mus3 16:b66a720631dd 93 2.0, 2.0, 0.0, 0.0, 0.0, 0.0, 2.0, 2.0,
mus3 16:b66a720631dd 94 -1.0, -2.0, -2.0, -2.0, -2.0, -2.0, -2.0, -1.0,
mus3 16:b66a720631dd 95 -2.0, -3.0, -3.0, -4.0, -4.0, -3.0, -3.0, -2,0,
mus3 16:b66a720631dd 96 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0,
mus3 16:b66a720631dd 97 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0,
mus3 16:b66a720631dd 98 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0,
mus3 16:b66a720631dd 99 -3.0, -4.0, -4.0, -5.0, -5.0, -4.0, -4.0, -3.0
mus3 16:b66a720631dd 100 };
mus3 16:b66a720631dd 101
mus3 14:f390d08e5f92 102 const float QUEEN_POSITION_VALUES[] = {-2.0, -1.0, -1.0, -0.5, -0.5, -1.0, -1.0, -2.0,
mus3 16:b66a720631dd 103 -1.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, -1.0,
mus3 16:b66a720631dd 104 -1.0, 0.5, 0.5, 0.5, 0.5, 0.5, 0.0, -1.0,
mus3 16:b66a720631dd 105 0.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.0, -0.5,
mus3 16:b66a720631dd 106 -0.5, 0.0, 0.5, 0.5, 0.5, 0.5, 0.0, -0.5,
mus3 16:b66a720631dd 107 -1.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.0, -1.0,
mus3 16:b66a720631dd 108 -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0,
mus3 16:b66a720631dd 109 -2.0, -1.0, -1.0, -0.5, -0.5, -1.0, -1.0, -2.0
mus3 16:b66a720631dd 110 };
mus3 16:b66a720631dd 111
mus3 14:f390d08e5f92 112 const float ROOK_POSITION_VALUES[] = {0.0, 0.0, 0.0, 0.5, 0.5, 0.0, 0.0, 0.0,
mus3 16:b66a720631dd 113 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mus3 16:b66a720631dd 114 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mus3 16:b66a720631dd 115 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mus3 16:b66a720631dd 116 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mus3 16:b66a720631dd 117 -0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.5,
mus3 16:b66a720631dd 118 0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5,
mus3 16:b66a720631dd 119 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0
mus3 16:b66a720631dd 120 };
mus3 16:b66a720631dd 121
mus3 14:f390d08e5f92 122 const float BISHOP_POSITION_VALUES[] = {-2.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -2.0,
mus3 16:b66a720631dd 123 -1.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, -1.0,
mus3 16:b66a720631dd 124 -1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0,
mus3 16:b66a720631dd 125 -1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, -1.0,
mus3 16:b66a720631dd 126 -1.0, 0.5, 0.5, 1.0, 1.0, 0.5, 0.5, -1.0,
mus3 16:b66a720631dd 127 -1.0, 0.0, 0.5, 1.0, 1.0, 0.5, 0.0, -1.0,
mus3 16:b66a720631dd 128 -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0,
mus3 16:b66a720631dd 129 -2.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -2.0
mus3 16:b66a720631dd 130 };
mus3 14:f390d08e5f92 131 const float KNIGHT_POSITION_VALUES[] = {-5.0, -4.0, -3.0, -3.0, -3.0, -3.0, -4.0, -5.0,
mus3 16:b66a720631dd 132 -4.0, -2.0, 0.0, 0.5, 0.5, 0.0, -2.0, -4.0,
mus3 16:b66a720631dd 133 -3.0, 0.5, 1.0, 1.5, 1.5, 1.0, 0.5, -3.0,
mus3 16:b66a720631dd 134 -3.0, 0.0, 1.5, 2.0, 2.0, 1.5, 0.0, -3.0,
mus3 16:b66a720631dd 135 -3.0, 0.5, 1.5, 2.0, 2.0, 1.5, 0.5, -3.0,
mus3 16:b66a720631dd 136 -3.0, 0.0, 1.0, 1.5, 1.5, 1.0, 0.0, -3.0,
mus3 16:b66a720631dd 137 -4.0, -2.0, 0.0, 0.0, 0.0, 0.0, -2.0, -4.0,
mus3 16:b66a720631dd 138 -5.0, -4.0, -3.0, -3.0, -3.0, -3.0, -4.0, -5.0
mus3 16:b66a720631dd 139 };
mus3 14:f390d08e5f92 140 const float PAWN_POSITION_VALUES[] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
mus3 16:b66a720631dd 141 0.5, 1.0, 1.0, -2.0, -2.0, 1.0, 1.0, 0.5,
mus3 16:b66a720631dd 142 0.5, -0.5, -1.0, 0.0, 0.0, -1.0, -0.5, 0.5,
mus3 16:b66a720631dd 143 0.0, 0.0, 0.0, 2.0, 2.0, 0.0, 0.0, 0.0,
mus3 16:b66a720631dd 144 0.5, 0.5, 1.0, 2.5, 2.5, 1.0, 0.5, 0.5,
mus3 16:b66a720631dd 145 1.0, 1.0, 2.0, 3.0, 3.0, 2.0, 1.0, 1.0,
mus3 16:b66a720631dd 146 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0,
mus3 16:b66a720631dd 147 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0
mus3 16:b66a720631dd 148 };
mus3 16:b66a720631dd 149
mhannay3 5:b553c51b3b85 150 class BoardState
mhannay3 5:b553c51b3b85 151 {
mhannay3 5:b553c51b3b85 152 private:
mhannay3 5:b553c51b3b85 153 Piece array[64];
mus3 16:b66a720631dd 154 // These values are for white pieces, need to be inverted
mus3 14:f390d08e5f92 155 // when making calculations for black pieces.
mus3 14:f390d08e5f92 156 static const float PAWN_VALUE = 10.0;
mus3 14:f390d08e5f92 157 static const float KNIGHT_VALUE = 30.0;
mus3 14:f390d08e5f92 158 static const float BISHOP_VALUE = 30.0;
mus3 14:f390d08e5f92 159 static const float ROOK_VALUE = 50.0;
mus3 14:f390d08e5f92 160 static const float QUEEN_VALUE = 90.0;
mus3 14:f390d08e5f92 161 static const float KING_VALUE = 900.0;
mhannay3 5:b553c51b3b85 162 public:
mus3 14:f390d08e5f92 163 BoardState() {}
mus3 16:b66a720631dd 164
mhannay3 4:5798e4062350 165 // calculates the advantage difference for the board state
mhannay3 5:b553c51b3b85 166 float calculateBoardState()
mhannay3 5:b553c51b3b85 167 {
mus3 14:f390d08e5f92 168 float sum = 0.0;
mus3 14:f390d08e5f92 169 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 170 int row = i / 8;
mus3 14:f390d08e5f92 171 int column = i % 8;
mus3 14:f390d08e5f92 172 Piece curr = getPiece(row, column);
mus3 14:f390d08e5f92 173 switch(curr) {
mus3 14:f390d08e5f92 174 case wK:
mus3 14:f390d08e5f92 175 sum += KING_VALUE + KING_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 176 break;
mus3 14:f390d08e5f92 177 case bK:
mus3 14:f390d08e5f92 178 sum -= (KING_VALUE + KING_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 179 break;
mus3 14:f390d08e5f92 180 case wQ:
mus3 14:f390d08e5f92 181 sum += QUEEN_VALUE + QUEEN_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 182 break;
mus3 14:f390d08e5f92 183 case bQ:
mus3 14:f390d08e5f92 184 sum -= (QUEEN_VALUE - QUEEN_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 185 break;
mus3 14:f390d08e5f92 186 case wR:
mus3 14:f390d08e5f92 187 sum += ROOK_VALUE + ROOK_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 188 break;
mus3 14:f390d08e5f92 189 case bR:
mus3 14:f390d08e5f92 190 sum -= (ROOK_VALUE - ROOK_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 191 break;
mus3 14:f390d08e5f92 192 case wB:
mus3 14:f390d08e5f92 193 sum += BISHOP_VALUE + BISHOP_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 194 break;
mus3 14:f390d08e5f92 195 case bB:
mus3 14:f390d08e5f92 196 sum -= (BISHOP_VALUE - BISHOP_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 197 break;
mus3 14:f390d08e5f92 198 case wN:
mus3 14:f390d08e5f92 199 sum += KNIGHT_VALUE + KNIGHT_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 200 break;
mus3 14:f390d08e5f92 201 case bN:
mus3 14:f390d08e5f92 202 sum -= (KNIGHT_VALUE - KNIGHT_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 203 break;
mus3 14:f390d08e5f92 204 case w:
mus3 14:f390d08e5f92 205 sum += PAWN_VALUE + PAWN_POSITION_VALUES[row*8 + column];
mus3 14:f390d08e5f92 206 break;
mus3 14:f390d08e5f92 207 case b:
mus3 14:f390d08e5f92 208 sum -= (PAWN_VALUE - PAWN_POSITION_VALUES[(7-row)*8 + (7-column)]);
mus3 14:f390d08e5f92 209 break;
mus3 14:f390d08e5f92 210 default:
mus3 14:f390d08e5f92 211 break;
mus3 16:b66a720631dd 212 }
mus3 14:f390d08e5f92 213 }
mus3 14:f390d08e5f92 214 return sum;
mhannay3 4:5798e4062350 215 }
mus3 16:b66a720631dd 216
mhannay3 4:5798e4062350 217 // returns the piece at a given location
mhannay3 5:b553c51b3b85 218 Piece getPiece(int row, int column)
mhannay3 5:b553c51b3b85 219 {
mhannay3 5:b553c51b3b85 220 return array[column + 8 * row];
mhannay3 4:5798e4062350 221 }
mus3 16:b66a720631dd 222
mhannay3 5:b553c51b3b85 223 // puts a piece at a given location
mhannay3 5:b553c51b3b85 224 void placePiece(Piece piece, int row, int column)
mhannay3 5:b553c51b3b85 225 {
mus3 16:b66a720631dd 226 // pawn promotion handling
mus3 16:b66a720631dd 227 if (piece == w && row == 7) {
mus3 16:b66a720631dd 228 array[column + 8 * row] = wQ;
mus3 16:b66a720631dd 229 } else if (piece == b && row == 0) {
mus3 16:b66a720631dd 230 array[column + 8 * row] = bQ;
mus3 16:b66a720631dd 231 } else {
mus3 16:b66a720631dd 232 array[column + 8 * row] = piece;
mus3 16:b66a720631dd 233 }
mhannay3 4:5798e4062350 234 }
mus3 16:b66a720631dd 235
mhannay3 4:5798e4062350 236 /* removes a piece from the set position of the board
mhannay3 4:5798e4062350 237 returns the bit representation of the piece
mhannay3 4:5798e4062350 238 */
mhannay3 5:b553c51b3b85 239 Piece removePiece(int row, int column)
mhannay3 5:b553c51b3b85 240 {
mhannay3 5:b553c51b3b85 241 Piece removedPiece = array[column + 8 * row];
mhannay3 5:b553c51b3b85 242 array[column + 8 * row] = e;
mhannay3 4:5798e4062350 243 return removedPiece;
mhannay3 1:cd78922f70fa 244 }
mus3 16:b66a720631dd 245
mhannay3 1:cd78922f70fa 246 /* moves a piece from one position to another
mhannay3 1:cd78922f70fa 247 returns the captured piece
mhannay3 1:cd78922f70fa 248 */
mhannay3 5:b553c51b3b85 249 Piece movePiece(int startRow, int startColumn, int endRow, int endColumn)
mhannay3 5:b553c51b3b85 250 {
mhannay3 5:b553c51b3b85 251 Piece movingPiece = removePiece(startRow, startColumn);
mhannay3 5:b553c51b3b85 252 Piece capturedPiece = removePiece(endRow, endColumn);
mhannay3 5:b553c51b3b85 253 placePiece(movingPiece, endRow, endColumn);
mhannay3 1:cd78922f70fa 254 return capturedPiece;
mhannay3 1:cd78922f70fa 255 }
mus3 16:b66a720631dd 256
mhannay3 6:1c4dd5e24b8d 257 // generates a list of possible moves for a piece
mhannay3 6:1c4dd5e24b8d 258 // returns moves
mhannay3 9:1f33c0f299ae 259 std::vector<boardPos> getMoves(boardPos pos)
mhannay3 9:1f33c0f299ae 260 {
mhannay3 9:1f33c0f299ae 261 return getMoves(pos.row, pos.column);
mhannay3 9:1f33c0f299ae 262 }
mhannay3 6:1c4dd5e24b8d 263 std::vector<boardPos> getMoves(int row, int column)
mhannay3 6:1c4dd5e24b8d 264 {
mhannay3 6:1c4dd5e24b8d 265 std::vector<boardPos> moves;
mhannay3 8:928d5d33258f 266 std::vector<boardPos> lineMoves;
mhannay3 6:1c4dd5e24b8d 267 Piece movingPiece = getPiece(row, column);
mus3 11:43c89579ac52 268 uint8_t rowIndex;
mus3 11:43c89579ac52 269 uint8_t columnIndex;
mhannay3 6:1c4dd5e24b8d 270 bool isWhite;
mhannay3 6:1c4dd5e24b8d 271 switch(movingPiece) {
mhannay3 6:1c4dd5e24b8d 272 case wK:
mhannay3 6:1c4dd5e24b8d 273 case bK:
mhannay3 6:1c4dd5e24b8d 274 isWhite = movingPiece == wK;
mus3 11:43c89579ac52 275 if (validMove(isWhite, row + 1, column)) {
mus3 16:b66a720631dd 276 moves.push_back((boardPos) {
mus3 11:43c89579ac52 277 row + 1, column
mus3 16:b66a720631dd 278 });
mus3 11:43c89579ac52 279 }
mus3 11:43c89579ac52 280 if (validMove(isWhite, row, column + 1)) {
mus3 16:b66a720631dd 281 moves.push_back((boardPos) {
mus3 11:43c89579ac52 282 row, column + 1
mus3 16:b66a720631dd 283 });
mus3 11:43c89579ac52 284 }
mus3 11:43c89579ac52 285 if (validMove(isWhite, row - 1, column)) {
mus3 16:b66a720631dd 286 moves.push_back((boardPos) {
mus3 11:43c89579ac52 287 row - 1, column
mus3 16:b66a720631dd 288 });
mus3 11:43c89579ac52 289 }
mus3 11:43c89579ac52 290 if (validMove(isWhite, row, column - 1)) {
mus3 16:b66a720631dd 291 moves.push_back((boardPos) {
mus3 11:43c89579ac52 292 row, column - 1
mus3 16:b66a720631dd 293 });
mus3 11:43c89579ac52 294 }
mus3 11:43c89579ac52 295 if (validMove(isWhite, row + 1, column + 1)) {
mus3 16:b66a720631dd 296 moves.push_back((boardPos) {
mus3 11:43c89579ac52 297 row + 1, column + 1
mus3 16:b66a720631dd 298 });
mus3 11:43c89579ac52 299 }
mus3 11:43c89579ac52 300 if (validMove(isWhite, row - 1, column + 1)) {
mus3 16:b66a720631dd 301 moves.push_back((boardPos) {
mus3 11:43c89579ac52 302 row - 1, column + 1
mus3 16:b66a720631dd 303 });
mus3 11:43c89579ac52 304 }
mus3 11:43c89579ac52 305 if (validMove(isWhite, row - 1, column - 1)) {
mus3 16:b66a720631dd 306 moves.push_back((boardPos) {
mus3 11:43c89579ac52 307 row - 1, column - 1
mus3 16:b66a720631dd 308 });
mus3 11:43c89579ac52 309 }
mus3 11:43c89579ac52 310 if (validMove(isWhite, row + 1, column - 1)) {
mus3 16:b66a720631dd 311 moves.push_back((boardPos) {
mus3 11:43c89579ac52 312 row + 1, column - 1
mus3 16:b66a720631dd 313 });
mhannay3 6:1c4dd5e24b8d 314 }
mhannay3 6:1c4dd5e24b8d 315 break;
mhannay3 6:1c4dd5e24b8d 316 case wQ:
mhannay3 6:1c4dd5e24b8d 317 case bQ:
mhannay3 6:1c4dd5e24b8d 318 isWhite = movingPiece == wQ;
mus3 11:43c89579ac52 319 rowIndex = row + 1;
mus3 11:43c89579ac52 320 columnIndex = column + 1;
mus3 11:43c89579ac52 321 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 322 moves.push_back((boardPos) {
mus3 11:43c89579ac52 323 rowIndex, columnIndex
mus3 11:43c89579ac52 324 });
mus3 11:43c89579ac52 325 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 326 break;
mus3 11:43c89579ac52 327 }
mus3 11:43c89579ac52 328 rowIndex++;
mus3 11:43c89579ac52 329 columnIndex++;
mus3 11:43c89579ac52 330 }
mus3 11:43c89579ac52 331 rowIndex = row - 1;
mus3 11:43c89579ac52 332 columnIndex = column + 1;
mus3 11:43c89579ac52 333 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 334 moves.push_back((boardPos) {
mus3 11:43c89579ac52 335 rowIndex, columnIndex
mus3 11:43c89579ac52 336 });
mus3 11:43c89579ac52 337 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 338 break;
mus3 11:43c89579ac52 339 }
mus3 11:43c89579ac52 340 rowIndex--;
mus3 11:43c89579ac52 341 columnIndex++;
mus3 11:43c89579ac52 342 }
mus3 11:43c89579ac52 343 rowIndex = row + 1;
mus3 11:43c89579ac52 344 columnIndex = column - 1;
mus3 11:43c89579ac52 345 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 346 moves.push_back((boardPos) {
mus3 11:43c89579ac52 347 rowIndex, columnIndex
mus3 11:43c89579ac52 348 });
mus3 11:43c89579ac52 349 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 350 break;
mus3 11:43c89579ac52 351 }
mus3 11:43c89579ac52 352 rowIndex++;
mus3 11:43c89579ac52 353 columnIndex--;
mus3 11:43c89579ac52 354 }
mus3 11:43c89579ac52 355 rowIndex = row - 1;
mus3 11:43c89579ac52 356 columnIndex = column - 1;
mus3 11:43c89579ac52 357 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 358 moves.push_back((boardPos) {
mus3 11:43c89579ac52 359 rowIndex, columnIndex
mus3 11:43c89579ac52 360 });
mus3 11:43c89579ac52 361 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 362 break;
mus3 11:43c89579ac52 363 }
mus3 11:43c89579ac52 364 rowIndex--;
mus3 11:43c89579ac52 365 columnIndex--;
mus3 11:43c89579ac52 366 }
mus3 11:43c89579ac52 367 rowIndex = row + 1;
mus3 11:43c89579ac52 368 columnIndex = column;
mus3 11:43c89579ac52 369 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 370 moves.push_back((boardPos) {
mus3 11:43c89579ac52 371 rowIndex, columnIndex
mus3 11:43c89579ac52 372 });
mus3 11:43c89579ac52 373 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 374 break;
mus3 11:43c89579ac52 375 }
mus3 11:43c89579ac52 376 rowIndex++;
mus3 11:43c89579ac52 377 }
mus3 11:43c89579ac52 378 rowIndex = row - 1;
mus3 11:43c89579ac52 379 columnIndex = column;
mus3 11:43c89579ac52 380 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 381 moves.push_back((boardPos) {
mus3 11:43c89579ac52 382 rowIndex, columnIndex
mus3 11:43c89579ac52 383 });
mus3 11:43c89579ac52 384 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 385 break;
mus3 11:43c89579ac52 386 }
mus3 11:43c89579ac52 387 rowIndex--;
mus3 11:43c89579ac52 388 }
mus3 11:43c89579ac52 389 rowIndex = row;
mus3 11:43c89579ac52 390 columnIndex = column + 1;
mus3 11:43c89579ac52 391 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 392 moves.push_back((boardPos) {
mus3 11:43c89579ac52 393 rowIndex, columnIndex
mus3 11:43c89579ac52 394 });
mus3 11:43c89579ac52 395 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 396 break;
mus3 11:43c89579ac52 397 }
mus3 11:43c89579ac52 398 columnIndex++;
mus3 11:43c89579ac52 399 }
mus3 11:43c89579ac52 400 rowIndex = row;
mus3 11:43c89579ac52 401 columnIndex = column - 1;
mus3 11:43c89579ac52 402 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 403 moves.push_back((boardPos) {
mus3 11:43c89579ac52 404 rowIndex, columnIndex
mus3 11:43c89579ac52 405 });
mus3 11:43c89579ac52 406 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 407 break;
mus3 11:43c89579ac52 408 }
mus3 11:43c89579ac52 409 columnIndex--;
mus3 11:43c89579ac52 410 }
mhannay3 6:1c4dd5e24b8d 411 break;
mhannay3 6:1c4dd5e24b8d 412 case wB:
mhannay3 6:1c4dd5e24b8d 413 case bB:
mhannay3 6:1c4dd5e24b8d 414 isWhite = movingPiece == wB;
mus3 11:43c89579ac52 415 rowIndex = row + 1;
mus3 11:43c89579ac52 416 columnIndex = column + 1;
mus3 11:43c89579ac52 417 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 418 moves.push_back((boardPos) {
mus3 11:43c89579ac52 419 rowIndex, columnIndex
mus3 11:43c89579ac52 420 });
mus3 11:43c89579ac52 421 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 422 break;
mus3 11:43c89579ac52 423 }
mus3 11:43c89579ac52 424 rowIndex++;
mus3 11:43c89579ac52 425 columnIndex++;
mus3 11:43c89579ac52 426 }
mus3 11:43c89579ac52 427 rowIndex = row - 1;
mus3 11:43c89579ac52 428 columnIndex = column + 1;
mus3 11:43c89579ac52 429 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 430 moves.push_back((boardPos) {
mus3 11:43c89579ac52 431 rowIndex, columnIndex
mus3 11:43c89579ac52 432 });
mus3 11:43c89579ac52 433 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 434 break;
mus3 11:43c89579ac52 435 }
mus3 11:43c89579ac52 436 rowIndex--;
mus3 11:43c89579ac52 437 columnIndex++;
mus3 11:43c89579ac52 438 }
mus3 11:43c89579ac52 439 rowIndex = row + 1;
mus3 11:43c89579ac52 440 columnIndex = column - 1;
mus3 11:43c89579ac52 441 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 442 moves.push_back((boardPos) {
mus3 11:43c89579ac52 443 rowIndex, columnIndex
mus3 11:43c89579ac52 444 });
mus3 11:43c89579ac52 445 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 446 break;
mus3 11:43c89579ac52 447 }
mus3 11:43c89579ac52 448 rowIndex++;
mus3 11:43c89579ac52 449 columnIndex--;
mus3 11:43c89579ac52 450 }
mus3 11:43c89579ac52 451 rowIndex = row - 1;
mus3 11:43c89579ac52 452 columnIndex = column - 1;
mus3 11:43c89579ac52 453 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 454 moves.push_back((boardPos) {
mus3 11:43c89579ac52 455 rowIndex, columnIndex
mus3 11:43c89579ac52 456 });
mus3 11:43c89579ac52 457 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 458 break;
mus3 11:43c89579ac52 459 }
mus3 11:43c89579ac52 460 rowIndex--;
mus3 11:43c89579ac52 461 columnIndex--;
mus3 11:43c89579ac52 462 }
mhannay3 6:1c4dd5e24b8d 463 break;
mhannay3 6:1c4dd5e24b8d 464 case wN:
mhannay3 6:1c4dd5e24b8d 465 case bN:
mhannay3 6:1c4dd5e24b8d 466 isWhite = movingPiece == wN;
mus3 11:43c89579ac52 467 if (validMove(isWhite, row + 2, column + 1)) {
mus3 11:43c89579ac52 468 moves.push_back((boardPos) {
mus3 11:43c89579ac52 469 row + 2, column + 1
mus3 11:43c89579ac52 470 });
mus3 11:43c89579ac52 471 }
mus3 11:43c89579ac52 472 if (validMove(isWhite, row + 2, column - 1)) {
mus3 11:43c89579ac52 473 moves.push_back((boardPos) {
mus3 11:43c89579ac52 474 row + 2, column - 1
mus3 11:43c89579ac52 475 });
mus3 11:43c89579ac52 476 }
mus3 11:43c89579ac52 477 if (validMove(isWhite, row - 2, column - 1)) {
mus3 11:43c89579ac52 478 moves.push_back((boardPos) {
mus3 11:43c89579ac52 479 row - 2, column - 1
mus3 11:43c89579ac52 480 });
mus3 11:43c89579ac52 481 }
mus3 11:43c89579ac52 482 if (validMove(isWhite, row - 2, column + 1)) {
mus3 11:43c89579ac52 483 moves.push_back((boardPos) {
mus3 11:43c89579ac52 484 row - 2, column + 1
mus3 11:43c89579ac52 485 });
mus3 11:43c89579ac52 486 }
mus3 11:43c89579ac52 487 if (validMove(isWhite, row + 1, column + 2)) {
mus3 11:43c89579ac52 488 moves.push_back((boardPos) {
mus3 11:43c89579ac52 489 row + 1, column + 2
mus3 11:43c89579ac52 490 });
mus3 11:43c89579ac52 491 }
mus3 11:43c89579ac52 492 if (validMove(isWhite, row - 1, column + 2)) {
mus3 11:43c89579ac52 493 moves.push_back((boardPos) {
mus3 11:43c89579ac52 494 row - 1, column + 2
mus3 11:43c89579ac52 495 });
mus3 11:43c89579ac52 496 }
mus3 11:43c89579ac52 497 if (validMove(isWhite, row - 1, column - 2)) {
mus3 11:43c89579ac52 498 moves.push_back((boardPos) {
mus3 11:43c89579ac52 499 row - 1, column - 2
mus3 11:43c89579ac52 500 });
mus3 11:43c89579ac52 501 }
mus3 11:43c89579ac52 502 if (validMove(isWhite, row + 1, column - 2)) {
mus3 11:43c89579ac52 503 moves.push_back((boardPos) {
mus3 11:43c89579ac52 504 row + 1, column - 2
mus3 11:43c89579ac52 505 });
mhannay3 6:1c4dd5e24b8d 506 }
mhannay3 6:1c4dd5e24b8d 507 break;
mhannay3 6:1c4dd5e24b8d 508 case wR:
mhannay3 6:1c4dd5e24b8d 509 case bR:
mhannay3 6:1c4dd5e24b8d 510 isWhite = movingPiece == wR;
mus3 11:43c89579ac52 511 rowIndex = row + 1;
mus3 11:43c89579ac52 512 columnIndex = column;
mus3 11:43c89579ac52 513 while (validMove(isWhite, rowIndex, columnIndex)) {
mus3 11:43c89579ac52 514 moves.push_back((boardPos) {
mus3 11:43c89579ac52 515 rowIndex, columnIndex
mus3 11:43c89579ac52 516 });
mus3 11:43c89579ac52 517 if (getPiece(rowIndex, columnIndex) != e) {
mus3 11:43c89579ac52 518 break;
mus3 11:43c89579ac52 519 }
mus3 11:43c89579ac52 520 rowIndex++;
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;
mus3 11:43c89579ac52 534 columnIndex = column + 1;
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 columnIndex++;
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 }
mhannay3 6:1c4dd5e24b8d 555 break;
mhannay3 6:1c4dd5e24b8d 556 case w:
mhannay3 6:1c4dd5e24b8d 557 case b:
mhannay3 6:1c4dd5e24b8d 558 isWhite = movingPiece == w;
mhannay3 6:1c4dd5e24b8d 559 int rowChange = isWhite ? 1 : -1;
mus3 11:43c89579ac52 560 if (validMove(isWhite, row + rowChange, column) && getPiece(row + rowChange, column) == e) {
mhannay3 6:1c4dd5e24b8d 561 moves.push_back((boardPos) {
mhannay3 6:1c4dd5e24b8d 562 row + rowChange, column
mhannay3 6:1c4dd5e24b8d 563 });
mus3 11:43c89579ac52 564 // The case for pawns moving two squares at the start
mus3 11:43c89579ac52 565 if (((isWhite && row == 1) || (!isWhite && row == 6)) && validMove(isWhite, row + rowChange + rowChange, column) && getPiece(row + rowChange + rowChange, column) == e) {
mus3 11:43c89579ac52 566 moves.push_back((boardPos) {
mus3 11:43c89579ac52 567 row + rowChange + rowChange, column
mus3 11:43c89579ac52 568 });
mus3 11:43c89579ac52 569 }
mhannay3 6:1c4dd5e24b8d 570 }
mhannay3 6:1c4dd5e24b8d 571 if (validMove(isWhite, row + rowChange, column + 1) && getPiece(row + rowChange, column + 1) != e) {
mhannay3 6:1c4dd5e24b8d 572 moves.push_back((boardPos) {
mhannay3 6:1c4dd5e24b8d 573 row + rowChange, column + 1
mhannay3 6:1c4dd5e24b8d 574 });
mhannay3 6:1c4dd5e24b8d 575 }
mhannay3 6:1c4dd5e24b8d 576 if (validMove(isWhite, row + rowChange, column - 1) && getPiece(row + rowChange, column - 1) != e) {
mhannay3 6:1c4dd5e24b8d 577 moves.push_back((boardPos) {
mhannay3 6:1c4dd5e24b8d 578 row + rowChange, column - 1
mhannay3 6:1c4dd5e24b8d 579 });
mhannay3 6:1c4dd5e24b8d 580 }
mhannay3 6:1c4dd5e24b8d 581 break;
mus3 11:43c89579ac52 582 default:
mus3 11:43c89579ac52 583 break;
mhannay3 6:1c4dd5e24b8d 584 }
mhannay3 6:1c4dd5e24b8d 585 return moves;
mhannay3 6:1c4dd5e24b8d 586 }
mus3 16:b66a720631dd 587
mhannay3 8:928d5d33258f 588 // returns a vector of board positions that a piece can move in a line
mhannay3 8:928d5d33258f 589 std::vector<boardPos> movesInLine(bool isMovingPieceWhite, int row, int column, int rowChange, int columnChange)
mhannay3 8:928d5d33258f 590 {
mhannay3 8:928d5d33258f 591 std::vector<boardPos> moves;
mhannay3 8:928d5d33258f 592 for (int i = 1; ; i++) {
mhannay3 8:928d5d33258f 593 // check if piece can move to location
mhannay3 8:928d5d33258f 594 if (validMove(isMovingPieceWhite, row + i * rowChange, column + i * columnChange)) {
mhannay3 8:928d5d33258f 595 moves.push_back((boardPos) {
mhannay3 8:928d5d33258f 596 row + i * rowChange, column + i * columnChange
mhannay3 8:928d5d33258f 597 });
mhannay3 8:928d5d33258f 598 // if piece is capturable, stop moving beyond it
mhannay3 9:1f33c0f299ae 599 if (getPiece(row + i * rowChange, column + i * columnChange) != e) {
mhannay3 8:928d5d33258f 600 break;
mhannay3 8:928d5d33258f 601 }
mhannay3 9:1f33c0f299ae 602 // if unable to move, break out
mhannay3 8:928d5d33258f 603 } else {
mhannay3 8:928d5d33258f 604 break;
mhannay3 8:928d5d33258f 605 }
mhannay3 8:928d5d33258f 606 }
mhannay3 8:928d5d33258f 607 return moves;
mhannay3 8:928d5d33258f 608 }
mus3 16:b66a720631dd 609
mhannay3 8:928d5d33258f 610 // returns if a piece can move to a given location
mhannay3 6:1c4dd5e24b8d 611 bool validMove(bool isMovingPieceWhite, int row, int column)
mhannay3 6:1c4dd5e24b8d 612 {
mhannay3 6:1c4dd5e24b8d 613 if (row < 0 || row > 7 || column < 0 || column > 7) {
mhannay3 6:1c4dd5e24b8d 614 return false;
mhannay3 6:1c4dd5e24b8d 615 }
mhannay3 6:1c4dd5e24b8d 616 Piece capturedPiece = getPiece(row, column);
mhannay3 6:1c4dd5e24b8d 617 switch(capturedPiece) {
mhannay3 6:1c4dd5e24b8d 618 case wK:
mhannay3 6:1c4dd5e24b8d 619 case wQ:
mhannay3 6:1c4dd5e24b8d 620 case wR:
mhannay3 6:1c4dd5e24b8d 621 case wB:
mhannay3 6:1c4dd5e24b8d 622 case wN:
mhannay3 6:1c4dd5e24b8d 623 case w:
mhannay3 6:1c4dd5e24b8d 624 return !isMovingPieceWhite;
mhannay3 6:1c4dd5e24b8d 625 case bK:
mhannay3 6:1c4dd5e24b8d 626 case bQ:
mhannay3 6:1c4dd5e24b8d 627 case bR:
mhannay3 6:1c4dd5e24b8d 628 case bB:
mhannay3 6:1c4dd5e24b8d 629 case bN:
mhannay3 6:1c4dd5e24b8d 630 case b:
mhannay3 6:1c4dd5e24b8d 631 return isMovingPieceWhite;
mhannay3 6:1c4dd5e24b8d 632 case e:
mhannay3 6:1c4dd5e24b8d 633 return true;
mhannay3 6:1c4dd5e24b8d 634 }
mhannay3 6:1c4dd5e24b8d 635 return false;
mhannay3 6:1c4dd5e24b8d 636 }
mhannay3 5:b553c51b3b85 637 };
mus3 16:b66a720631dd 638
mhannay3 5:b553c51b3b85 639 class GameBoard
mhannay3 5:b553c51b3b85 640 {
mhannay3 5:b553c51b3b85 641 private:
mhannay3 5:b553c51b3b85 642 BoardState boardState;
mhannay3 5:b553c51b3b85 643 static const int HOVER_COLOR = 0x0000ff;
mhannay3 5:b553c51b3b85 644 static const int SELECTED_COLOR = 0xff8800;
mhannay3 6:1c4dd5e24b8d 645 static const int MOVE_COLOR = 0xff00ff;
mus3 16:b66a720631dd 646
mus3 16:b66a720631dd 647 // piece sprites (12 x 12)
mus3 16:b66a720631dd 648 static void drawPawn(int row, int column, bool white, bool light)
mus3 16:b66a720631dd 649 {
mus3 16:b66a720631dd 650 int X = white ? 0xffffff : 0x000000;
mus3 16:b66a720631dd 651 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mus3 16:b66a720631dd 652 int sprite[144] = {_, _, _, _, _, _, _, _, _, _, _, _,
mus3 16:b66a720631dd 653 _, _, _, _, _, _, _, _, _, _, _, _,
mus3 16:b66a720631dd 654 _, _, _, _, _, _, _, _, _, _, _, _,
mus3 16:b66a720631dd 655 _, _, _, _, _, _, _, _, _, _, _, _,
mus3 16:b66a720631dd 656 _, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 657 _, _, _, _, X, X, X, X, _, _, _, _,
mus3 16:b66a720631dd 658 _, _, _, _, X, X, X, X, _, _, _, _,
mus3 16:b66a720631dd 659 _, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 660 _, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 661 _, _, _, _, X, X, X, X, _, _, _, _,
mus3 16:b66a720631dd 662 _, _, X, X, X, X, X, X, X, X, _, _,
mus3 16:b66a720631dd 663 _, _, X, X, X, X, X, X, X, X, _, _
mus3 16:b66a720631dd 664 };
mus3 16:b66a720631dd 665 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 666 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mus3 16:b66a720631dd 667 }
mus3 16:b66a720631dd 668
mus3 16:b66a720631dd 669 static void drawRook(int row, int column, bool white, bool light)
mus3 16:b66a720631dd 670 {
mus3 16:b66a720631dd 671 int X = white ? 0xffffff : 0x000000;
mus3 16:b66a720631dd 672 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mus3 16:b66a720631dd 673 int sprite[144] = {X, X, _, X, X, _, _, X, X, _, X, X,
mus3 16:b66a720631dd 674 X, X, _, X, X, _, _, X, X, _, X, X,
mus3 16:b66a720631dd 675 X, X, X, X, X, X, X, X, X, X, X, X,
mus3 16:b66a720631dd 676 X, X, X, X, X, X, X, X, X, X, X, X,
mus3 16:b66a720631dd 677 _, X, X, X, _, X, X, _, X, X, X, _,
mus3 16:b66a720631dd 678 _, X, X, X, _, X, X, _, X, X, X, _,
mus3 16:b66a720631dd 679 _, _, X, X, _, X, X, _, X, X, _, _,
mus3 16:b66a720631dd 680 _, _, X, X, _, X, X, _, X, X, _, _,
mus3 16:b66a720631dd 681 _, _, X, X, _, X, X, _, X, X, _, _,
mus3 16:b66a720631dd 682 _, X, X, X, X, X, X, X, X, X, X, _,
mus3 16:b66a720631dd 683 X, X, X, X, X, X, X, X, X, X, X, X,
mus3 16:b66a720631dd 684 X, X, X, X, X, X, X, X, X, X, X, X
mus3 16:b66a720631dd 685 };
mus3 16:b66a720631dd 686 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 687 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mus3 16:b66a720631dd 688 }
mus3 16:b66a720631dd 689
mus3 16:b66a720631dd 690 static void drawKnight(int row, int column, bool white, bool light)
mus3 16:b66a720631dd 691 {
mus3 16:b66a720631dd 692 int X = white ? 0xffffff : 0x000000;
mus3 16:b66a720631dd 693 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mus3 16:b66a720631dd 694 int sprite[144] = {_, _, _, _, _, _, _, _, _, _, _, _,
mus3 16:b66a720631dd 695 _, _, _, _, _, X, X, _, X, X, _, _,
mus3 16:b66a720631dd 696 _, _, _, _, _, X, X, _, X, X, _, _,
mus3 16:b66a720631dd 697 _, _, _, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 698 _, _, X, X, X, X, X, _, X, _, _, _,
mus3 16:b66a720631dd 699 _, _, X, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 700 _, _, _, _, _, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 701 _, _, _, _, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 702 _, _, _, X, X, X, X, X, X, X, _, _,
mus3 16:b66a720631dd 703 _, _, X, X, X, X, X, X, X, X, _, _,
mus3 16:b66a720631dd 704 _, X, X, X, X, X, X, X, X, X, X, _,
mus3 16:b66a720631dd 705 _, X, X, X, X, X, X, X, X, X, X, _
mus3 16:b66a720631dd 706 };
mus3 16:b66a720631dd 707 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 708 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 709 }
mus3 16:b66a720631dd 710
mus3 16:b66a720631dd 711 static void drawBishop(int row, int column, bool white, bool light)
mus3 16:b66a720631dd 712 {
mus3 16:b66a720631dd 713 int X = white ? 0xffffff : 0x000000;
mus3 16:b66a720631dd 714 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mus3 16:b66a720631dd 715 int sprite[144] = {_, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 716 _, _, _, _, X, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 717 _, _, _, X, X, X, _, _, X, _, _, _,
mus3 16:b66a720631dd 718 _, _, _, X, X, _, _, X, X, _, _, _,
mus3 16:b66a720631dd 719 _, _, _, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 720 _, _, _, _, X, X, X, X, _, _, _, _,
mus3 16:b66a720631dd 721 _, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 722 _, _, _, _, X, X, X, X, _, _, _, _,
mus3 16:b66a720631dd 723 _, _, _, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 724 _, _, _, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 725 _, _, X, X, X, X, X, X, X, X, _, _,
mus3 16:b66a720631dd 726 _, _, X, X, X, X, X, X, X, X, _, _
mus3 16:b66a720631dd 727 };
mus3 16:b66a720631dd 728 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 729 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mhannay3 5:b553c51b3b85 730 }
mus3 16:b66a720631dd 731
mus3 16:b66a720631dd 732 static void drawQueen(int row, int column, bool white, bool light)
mus3 16:b66a720631dd 733 {
mus3 16:b66a720631dd 734 int X = white ? 0xffffff : 0x000000;
mus3 16:b66a720631dd 735 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mus3 16:b66a720631dd 736 int sprite[144] = {_, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 737 _, _, X, _, _, X, X, _, _, X, _, _,
mus3 16:b66a720631dd 738 X, _, X, X, _, X, X, _, X, X, _, X,
mus3 16:b66a720631dd 739 X, _, X, X, _, X, X, _, X, X, _, X,
mus3 16:b66a720631dd 740 X, _, X, X, _, X, X, _, X, X, _, X,
mus3 16:b66a720631dd 741 X, X, X, X, X, X, X, X, X, X, X, X,
mus3 16:b66a720631dd 742 X, X, X, X, X, X, X, X, X, X, X, X,
mus3 16:b66a720631dd 743 X, X, _, X, X, X, X, X, X, _, X, X,
mus3 16:b66a720631dd 744 X, X, X, X, _, X, X, _, X, X, X, X,
mus3 16:b66a720631dd 745 _, X, X, X, X, X, X, X, X, X, X, _,
mus3 16:b66a720631dd 746 _, _, X, X, X, X, X, X, X, X, _, _,
mus3 16:b66a720631dd 747 _, X, X, X, X, X, X, X, X, X, X, _
mus3 16:b66a720631dd 748 };
mus3 16:b66a720631dd 749 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 750 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mus3 16:b66a720631dd 751 }
mus3 16:b66a720631dd 752
mus3 16:b66a720631dd 753 static void drawKing(int row, int column, bool white, bool light)
mus3 16:b66a720631dd 754 {
mus3 16:b66a720631dd 755 int X = white ? 0xffffff : 0x000000;
mus3 16:b66a720631dd 756 int _ = light ? BOARD_LIGHT_COLOR : BOARD_DARK_COLOR;
mus3 16:b66a720631dd 757 int sprite[144] = {_, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 758 _, _, _, _, _, X, X, _, _, _, _, _,
mus3 16:b66a720631dd 759 _, _, _, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 760 _, _, _, X, X, X, X, X, X, _, _, _,
mus3 16:b66a720631dd 761 X, X, _, _, _, X, X, _, _, _, X, X,
mus3 16:b66a720631dd 762 X, X, X, X, _, X, X, _, X, X, X, X,
mus3 16:b66a720631dd 763 X, _, X, X, X, X, X, X, X, X, _, X,
mus3 16:b66a720631dd 764 X, X, X, X, X, X, X, X, X, X, X, X,
mus3 16:b66a720631dd 765 X, X, X, _, X, X, X, X, _, X, X, X,
mus3 16:b66a720631dd 766 _, X, X, X, X, X, X, X, X, X, X, _,
mus3 16:b66a720631dd 767 _, _, X, X, X, _, _, X, X, X, _, _,
mus3 16:b66a720631dd 768 _, X, X, X, X, X, X, X, X, X, X, _
mus3 16:b66a720631dd 769 };
mus3 16:b66a720631dd 770 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 771 uLCD.BLIT(tl.x + 2, tl.y + 2, 12, 12, sprite);
mus3 16:b66a720631dd 772 }
mus3 16:b66a720631dd 773
mhannay3 5:b553c51b3b85 774 public:
mhannay3 5:b553c51b3b85 775 BoardState getBoardState()
mhannay3 5:b553c51b3b85 776 {
mhannay3 5:b553c51b3b85 777 return boardState;
mhannay3 5:b553c51b3b85 778 }
mus3 16:b66a720631dd 779
mhannay3 5:b553c51b3b85 780 void setBoardState(BoardState newBoardState)
mhannay3 5:b553c51b3b85 781 {
mhannay3 5:b553c51b3b85 782 boardState = newBoardState;
mhannay3 5:b553c51b3b85 783 }
mus3 16:b66a720631dd 784
mhannay3 5:b553c51b3b85 785 // initializes the starting board state
mhannay3 5:b553c51b3b85 786 GameBoard()
mhannay3 5:b553c51b3b85 787 {
mhannay3 5:b553c51b3b85 788 // draw board
mhannay3 5:b553c51b3b85 789 for (int row = 0; row < 8; row++) {
mhannay3 5:b553c51b3b85 790 for (int column = 0; column < 8; column++) {
mhannay3 5:b553c51b3b85 791 uint64_t color;
mhannay3 5:b553c51b3b85 792 if ((row + column) % 2 == 0) {
mhannay3 5:b553c51b3b85 793 color = BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 794 } else {
mhannay3 5:b553c51b3b85 795 color = BOARD_LIGHT_COLOR;
mhannay3 5:b553c51b3b85 796 }
mhannay3 6:1c4dd5e24b8d 797 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 798 uLCD.filled_rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, color);
mhannay3 5:b553c51b3b85 799 }
mhannay3 5:b553c51b3b85 800 }
mhannay3 5:b553c51b3b85 801 // draw pieces
mhannay3 5:b553c51b3b85 802 placePieceAndDraw(wR, 0, 0);
mhannay3 5:b553c51b3b85 803 placePieceAndDraw(wN, 0, 1);
mhannay3 5:b553c51b3b85 804 placePieceAndDraw(wB, 0, 2);
mhannay3 5:b553c51b3b85 805 placePieceAndDraw(wQ, 0, 3);
mhannay3 5:b553c51b3b85 806 placePieceAndDraw(wK, 0, 4);
mhannay3 5:b553c51b3b85 807 placePieceAndDraw(wB, 0, 5);
mhannay3 5:b553c51b3b85 808 placePieceAndDraw(wN, 0, 6);
mhannay3 5:b553c51b3b85 809 placePieceAndDraw(wR, 0, 7);
mhannay3 5:b553c51b3b85 810 placePieceAndDraw(bR, 7, 0);
mhannay3 5:b553c51b3b85 811 placePieceAndDraw(bN, 7, 1);
mhannay3 5:b553c51b3b85 812 placePieceAndDraw(bB, 7, 2);
mhannay3 5:b553c51b3b85 813 placePieceAndDraw(bQ, 7, 3);
mhannay3 5:b553c51b3b85 814 placePieceAndDraw(bK, 7, 4);
mhannay3 5:b553c51b3b85 815 placePieceAndDraw(bB, 7, 5);
mhannay3 5:b553c51b3b85 816 placePieceAndDraw(bN, 7, 6);
mhannay3 5:b553c51b3b85 817 placePieceAndDraw(bR, 7, 7);
mhannay3 5:b553c51b3b85 818 for (int i = 0; i < 8; i++) {
mhannay3 5:b553c51b3b85 819 placePieceAndDraw(w, 1, i);
mhannay3 5:b553c51b3b85 820 placePieceAndDraw(b, 6, i);
mhannay3 5:b553c51b3b85 821 }
mhannay3 5:b553c51b3b85 822 }
mus3 16:b66a720631dd 823
mus3 16:b66a720631dd 824 // gets the pixel coordinates of the top left of the square
mus3 16:b66a720631dd 825 static pixelCoord getTopLeftOfSquare(boardPos pos)
mus3 16:b66a720631dd 826 {
mus3 16:b66a720631dd 827 return getTopLeftOfSquare(pos.row, pos.column);
mus3 16:b66a720631dd 828 }
mus3 16:b66a720631dd 829 static pixelCoord getTopLeftOfSquare(int row, int column)
mus3 16:b66a720631dd 830 {
mus3 16:b66a720631dd 831 pixelCoord topLeft;
mus3 16:b66a720631dd 832 topLeft.x = 16 * column;
mus3 16:b66a720631dd 833 topLeft.y = 112 - 16 * row;
mus3 16:b66a720631dd 834 return topLeft;
mus3 16:b66a720631dd 835 }
mus3 16:b66a720631dd 836
mhannay3 5:b553c51b3b85 837 // PIECE MOVEMENT AND GRAPHICS FUNCTIONS
mus3 16:b66a720631dd 838
mhannay3 5:b553c51b3b85 839 // returns the piece at a given location
mhannay3 7:9e01c9a334dc 840 Piece getPiece(boardPos pos)
mhannay3 7:9e01c9a334dc 841 {
mhannay3 7:9e01c9a334dc 842 return getPiece(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 843 }
mhannay3 5:b553c51b3b85 844 Piece getPiece(int row, int column)
mhannay3 5:b553c51b3b85 845 {
mhannay3 5:b553c51b3b85 846 return boardState.getPiece(row, column);
mhannay3 5:b553c51b3b85 847 }
mus3 16:b66a720631dd 848
mhannay3 5:b553c51b3b85 849 /* puts the bit representation of a piece at the set position of the board
mhannay3 5:b553c51b3b85 850 assumes that the position of the board is emptied beforehand
mhannay3 5:b553c51b3b85 851 */
mhannay3 7:9e01c9a334dc 852 void placePieceAndDraw(Piece piece, boardPos pos)
mhannay3 7:9e01c9a334dc 853 {
mhannay3 7:9e01c9a334dc 854 placePieceAndDraw(piece, pos.row, pos.column);
mhannay3 7:9e01c9a334dc 855 }
mhannay3 5:b553c51b3b85 856 void placePieceAndDraw(Piece piece, int row, int column)
mhannay3 5:b553c51b3b85 857 {
mhannay3 5:b553c51b3b85 858 boardState.placePiece(piece, row, column);
mhannay3 6:1c4dd5e24b8d 859 pixelCoord tl = getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 860 switch(piece) {
mus3 16:b66a720631dd 861 case wK:
mus3 16:b66a720631dd 862 case bK:
mus3 16:b66a720631dd 863 drawKing(row, column, piece==wK, (row+column)%2);
mus3 16:b66a720631dd 864 break;
mus3 16:b66a720631dd 865 case wQ:
mus3 16:b66a720631dd 866 case bQ:
mus3 16:b66a720631dd 867 drawQueen(row, column, piece==wQ, (row+column)%2);
mus3 16:b66a720631dd 868 break;
mus3 16:b66a720631dd 869 case wB:
mus3 16:b66a720631dd 870 case bB:
mus3 16:b66a720631dd 871 drawBishop(row, column, piece==wB, (row+column)%2);
mus3 16:b66a720631dd 872 break;
mus3 16:b66a720631dd 873 case wN:
mus3 16:b66a720631dd 874 case bN:
mus3 16:b66a720631dd 875 drawKnight(row, column, piece==wN, (row+column)%2);
mus3 16:b66a720631dd 876 break;
mus3 16:b66a720631dd 877 case wR:
mus3 16:b66a720631dd 878 case bR:
mus3 16:b66a720631dd 879 drawRook(row, column, piece==wR, (row+column)%2);
mus3 16:b66a720631dd 880 break;
mus3 16:b66a720631dd 881 case w:
mus3 16:b66a720631dd 882 case b:
mus3 16:b66a720631dd 883 if (piece == w && row == 7) {
mus3 16:b66a720631dd 884 drawQueen(row, column, true, (row+column)%2);
mus3 16:b66a720631dd 885 } else if (piece == b && row == 0) {
mus3 16:b66a720631dd 886 drawQueen(row, column, false, (row+column)%2);
mus3 16:b66a720631dd 887 } else {
mus3 16:b66a720631dd 888 drawPawn(row, column, piece==w, (row+column)%2);
mus3 16:b66a720631dd 889 }
mus3 16:b66a720631dd 890 break;
mus3 16:b66a720631dd 891
mhannay3 5:b553c51b3b85 892 }
mhannay3 5:b553c51b3b85 893 }
mus3 16:b66a720631dd 894
mhannay3 5:b553c51b3b85 895 /* removes a piece from the set position of the board
mhannay3 5:b553c51b3b85 896 returns the bit representation of the piece
mhannay3 5:b553c51b3b85 897 */
mhannay3 7:9e01c9a334dc 898 Piece removePieceAndDraw(boardPos pos)
mhannay3 7:9e01c9a334dc 899 {
mhannay3 7:9e01c9a334dc 900 return removePieceAndDraw(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 901 }
mhannay3 5:b553c51b3b85 902 Piece removePieceAndDraw(int row, int column)
mhannay3 5:b553c51b3b85 903 {
mhannay3 5:b553c51b3b85 904 Piece removedPiece = boardState.removePiece(row, column);
mhannay3 6:1c4dd5e24b8d 905 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 1:cd78922f70fa 906 uint64_t color;
mhannay3 1:cd78922f70fa 907 if ((row + column) % 2 == 0) {
mhannay3 1:cd78922f70fa 908 color = BOARD_DARK_COLOR;
mhannay3 1:cd78922f70fa 909 } else {
mhannay3 1:cd78922f70fa 910 color = BOARD_LIGHT_COLOR;
mhannay3 1:cd78922f70fa 911 }
mhannay3 5:b553c51b3b85 912 uLCD.filled_rectangle(tl.x+2, tl.y+2, tl.x + 13, tl.y + 13, color);
mhannay3 5:b553c51b3b85 913 return removedPiece;
mhannay3 5:b553c51b3b85 914 }
mus3 16:b66a720631dd 915
mhannay3 5:b553c51b3b85 916 /* moves a piece from one position to another
mhannay3 5:b553c51b3b85 917 returns the captured piece
mhannay3 5:b553c51b3b85 918 */
mhannay3 7:9e01c9a334dc 919 Piece movePieceAndDraw(boardPos startPos, boardPos endPos)
mhannay3 7:9e01c9a334dc 920 {
mhannay3 7:9e01c9a334dc 921 return movePieceAndDraw(startPos.row, startPos.column, endPos.row, endPos.column);
mhannay3 7:9e01c9a334dc 922 }
mhannay3 5:b553c51b3b85 923 Piece movePieceAndDraw(int startRow, int startColumn, int endRow, int endColumn)
mhannay3 5:b553c51b3b85 924 {
mhannay3 5:b553c51b3b85 925 Piece movingPiece = removePieceAndDraw(startRow, startColumn);
mhannay3 5:b553c51b3b85 926 Piece capturedPiece = boardState.removePiece(endRow, endColumn);
mhannay3 5:b553c51b3b85 927 placePieceAndDraw(movingPiece, endRow, endColumn);
mhannay3 5:b553c51b3b85 928 return capturedPiece;
mhannay3 1:cd78922f70fa 929 }
mus3 16:b66a720631dd 930
mhannay3 5:b553c51b3b85 931 // SQUARE BORDER GRAPHICS FUNCTIONS
mus3 16:b66a720631dd 932
mhannay3 5:b553c51b3b85 933 // removes selection border around square
mhannay3 7:9e01c9a334dc 934 void unselectSquare(boardPos pos)
mhannay3 7:9e01c9a334dc 935 {
mhannay3 7:9e01c9a334dc 936 unselectSquare(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 937 }
mhannay3 5:b553c51b3b85 938 void unselectSquare(int row, int column)
mhannay3 5:b553c51b3b85 939 {
mus3 11:43c89579ac52 940 if (row < 0 || row > 7 || column < 0 || column > 7) {
mus3 11:43c89579ac52 941 return;
mus3 11:43c89579ac52 942 }
mhannay3 6:1c4dd5e24b8d 943 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 944 uint64_t color;
mhannay3 5:b553c51b3b85 945 if ((row + column) % 2 == 0) {
mhannay3 5:b553c51b3b85 946 color = BOARD_DARK_COLOR;
mhannay3 5:b553c51b3b85 947 } else {
mhannay3 5:b553c51b3b85 948 color = BOARD_LIGHT_COLOR;
mhannay3 5:b553c51b3b85 949 }
mhannay3 5:b553c51b3b85 950 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, color);
mhannay3 5:b553c51b3b85 951 }
mus3 16:b66a720631dd 952
mhannay3 7:9e01c9a334dc 953 // draws the hover border around square
mhannay3 7:9e01c9a334dc 954 void hoverSquare(boardPos pos)
mhannay3 7:9e01c9a334dc 955 {
mhannay3 7:9e01c9a334dc 956 hoverSquare(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 957 }
mhannay3 5:b553c51b3b85 958 void hoverSquare(int row, int column)
mhannay3 5:b553c51b3b85 959 {
mhannay3 6:1c4dd5e24b8d 960 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 961 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, HOVER_COLOR);
mhannay3 1:cd78922f70fa 962 }
mus3 16:b66a720631dd 963
mhannay3 1:cd78922f70fa 964 // draws selection border around square
mhannay3 7:9e01c9a334dc 965 void selectSquare(boardPos pos)
mhannay3 7:9e01c9a334dc 966 {
mhannay3 7:9e01c9a334dc 967 selectSquare(pos.row, pos.column);
mhannay3 7:9e01c9a334dc 968 }
mhannay3 5:b553c51b3b85 969 void selectSquare(int row, int column)
mhannay3 5:b553c51b3b85 970 {
mus3 11:43c89579ac52 971 if (row < 0 || row > 7 || column < 0 || column > 7) {
mus3 11:43c89579ac52 972 return;
mus3 11:43c89579ac52 973 }
mhannay3 6:1c4dd5e24b8d 974 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 5:b553c51b3b85 975 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, SELECTED_COLOR);
mhannay3 1:cd78922f70fa 976 }
mus3 16:b66a720631dd 977
mhannay3 8:928d5d33258f 978 // draws the movement border around square
mhannay3 9:1f33c0f299ae 979 void movementSquare(boardPos pos)
mhannay3 8:928d5d33258f 980 {
mhannay3 9:1f33c0f299ae 981 movementSquare(pos.row, pos.column);
mhannay3 8:928d5d33258f 982 }
mhannay3 9:1f33c0f299ae 983 void movementSquare(int row, int column)
mhannay3 8:928d5d33258f 984 {
mhannay3 8:928d5d33258f 985 pixelCoord tl = getTopLeftOfSquare(row, column);
mhannay3 8:928d5d33258f 986 uLCD.rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, MOVE_COLOR);
mhannay3 8:928d5d33258f 987 }
mhannay3 5:b553c51b3b85 988 };
mus3 16:b66a720631dd 989
mhannay3 7:9e01c9a334dc 990 // game variables
mhannay3 7:9e01c9a334dc 991 GameBoard gameBoard;
mhannay3 7:9e01c9a334dc 992 GameState state = whiteSelecting;
mhannay3 7:9e01c9a334dc 993 boardPos cursorPos = (boardPos)
mhannay3 7:9e01c9a334dc 994 {
mhannay3 7:9e01c9a334dc 995 3, 4
mhannay3 7:9e01c9a334dc 996 };
mus3 14:f390d08e5f92 997 bool OnePlayer = true;
mhannay3 8:928d5d33258f 998 boardPos selectedPos;
mhannay3 9:1f33c0f299ae 999 Piece selectedPiece;
mhannay3 9:1f33c0f299ae 1000 std::vector<boardPos> possibleMoves;
mus3 16:b66a720631dd 1001
mhannay3 7:9e01c9a334dc 1002 // callbacks
mhannay3 9:1f33c0f299ae 1003 void moveCursor(int rowChange, int columnChange)
mhannay3 9:1f33c0f299ae 1004 {
mhannay3 9:1f33c0f299ae 1005 // calculate new positoin that is within board bounds
mhannay3 9:1f33c0f299ae 1006 int newRow = cursorPos.row + rowChange;
mus3 16:b66a720631dd 1007 int newColumn = cursorPos.column + columnChange;
mus3 16:b66a720631dd 1008 if (newRow > 7 || newRow < 0 || newColumn > 7 || newColumn < 0) {
mus3 16:b66a720631dd 1009 bad_move = 1;
mus3 16:b66a720631dd 1010 wait(0.2);
mus3 16:b66a720631dd 1011 bad_move = 0;
mus3 16:b66a720631dd 1012 wait(0.02);
mus3 16:b66a720631dd 1013 }
mhannay3 9:1f33c0f299ae 1014 newRow = newRow <= 7 ? newRow : 7;
mhannay3 9:1f33c0f299ae 1015 newRow = newRow >= 0 ? newRow : 0;
mhannay3 9:1f33c0f299ae 1016 newColumn = newColumn <= 7 ? newColumn : 7;
mhannay3 9:1f33c0f299ae 1017 newColumn = newColumn >= 0 ? newColumn : 0;
mhannay3 9:1f33c0f299ae 1018 boardPos newPos = (boardPos) {
mhannay3 9:1f33c0f299ae 1019 newRow, newColumn
mhannay3 9:1f33c0f299ae 1020 };
mus3 16:b66a720631dd 1021
mhannay3 9:1f33c0f299ae 1022 // draw border around square that should be there after moving cursor off
mhannay3 9:1f33c0f299ae 1023 if (cursorPos == selectedPos) {
mhannay3 9:1f33c0f299ae 1024 gameBoard.selectSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1025 } else if (std::find(possibleMoves.begin(), possibleMoves.end(), cursorPos) != possibleMoves.end()) {
mhannay3 9:1f33c0f299ae 1026 gameBoard.movementSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1027 } else {
mhannay3 9:1f33c0f299ae 1028 gameBoard.unselectSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1029 }
mus3 16:b66a720631dd 1030
mhannay3 9:1f33c0f299ae 1031 // draw hover rectangle over new square
mhannay3 9:1f33c0f299ae 1032 cursorPos = newPos;
mhannay3 9:1f33c0f299ae 1033 gameBoard.hoverSquare(cursorPos);
mhannay3 9:1f33c0f299ae 1034 }
mhannay3 9:1f33c0f299ae 1035
mus3 16:b66a720631dd 1036 void reset_game(void) {
mus3 16:b66a720631dd 1037 BoardState newBS;
mus3 16:b66a720631dd 1038 for (int i = 0; i < 64; i++) {
mus3 16:b66a720631dd 1039 newBS.placePiece(e, i/8, i%8);
mus3 16:b66a720631dd 1040 }
mus3 16:b66a720631dd 1041 gameBoard.setBoardState(newBS);
mus3 16:b66a720631dd 1042 // draw board
mus3 16:b66a720631dd 1043 for (int row = 0; row < 8; row++) {
mus3 16:b66a720631dd 1044 for (int column = 0; column < 8; column++) {
mus3 16:b66a720631dd 1045 uint64_t color;
mus3 16:b66a720631dd 1046 if ((row + column) % 2 == 0) {
mus3 16:b66a720631dd 1047 color = BOARD_DARK_COLOR;
mus3 16:b66a720631dd 1048 } else {
mus3 16:b66a720631dd 1049 color = BOARD_LIGHT_COLOR;
mus3 16:b66a720631dd 1050 }
mus3 16:b66a720631dd 1051 pixelCoord tl = gameBoard.getTopLeftOfSquare(row, column);
mus3 16:b66a720631dd 1052 uLCD.filled_rectangle(tl.x, tl.y, tl.x + 15, tl.y + 15, color);
mus3 16:b66a720631dd 1053 }
mus3 16:b66a720631dd 1054 }
mus3 16:b66a720631dd 1055 // draw pieces
mus3 16:b66a720631dd 1056 gameBoard.placePieceAndDraw(wR, 0, 0);
mus3 16:b66a720631dd 1057 gameBoard.placePieceAndDraw(wN, 0, 1);
mus3 16:b66a720631dd 1058 gameBoard.placePieceAndDraw(wB, 0, 2);
mus3 16:b66a720631dd 1059 gameBoard.placePieceAndDraw(wQ, 0, 3);
mus3 16:b66a720631dd 1060 gameBoard.placePieceAndDraw(wK, 0, 4);
mus3 16:b66a720631dd 1061 gameBoard.placePieceAndDraw(wB, 0, 5);
mus3 16:b66a720631dd 1062 gameBoard.placePieceAndDraw(wN, 0, 6);
mus3 16:b66a720631dd 1063 gameBoard.placePieceAndDraw(wR, 0, 7);
mus3 16:b66a720631dd 1064 gameBoard.placePieceAndDraw(bR, 7, 0);
mus3 16:b66a720631dd 1065 gameBoard.placePieceAndDraw(bN, 7, 1);
mus3 16:b66a720631dd 1066 gameBoard.placePieceAndDraw(bB, 7, 2);
mus3 16:b66a720631dd 1067 gameBoard.placePieceAndDraw(bQ, 7, 3);
mus3 16:b66a720631dd 1068 gameBoard.placePieceAndDraw(bK, 7, 4);
mus3 16:b66a720631dd 1069 gameBoard.placePieceAndDraw(bB, 7, 5);
mus3 16:b66a720631dd 1070 gameBoard.placePieceAndDraw(bN, 7, 6);
mus3 16:b66a720631dd 1071 gameBoard.placePieceAndDraw(bR, 7, 7);
mus3 16:b66a720631dd 1072 for (int i = 0; i < 8; i++) {
mus3 16:b66a720631dd 1073 gameBoard.placePieceAndDraw(w, 1, i);
mus3 16:b66a720631dd 1074 gameBoard.placePieceAndDraw(b, 6, i);
mus3 16:b66a720631dd 1075 }
mus3 16:b66a720631dd 1076
mus3 16:b66a720631dd 1077 state = whiteSelecting;
mus3 16:b66a720631dd 1078 cursorPos = (boardPos)
mus3 16:b66a720631dd 1079 {
mus3 16:b66a720631dd 1080 3, 4
mus3 16:b66a720631dd 1081 };
mus3 16:b66a720631dd 1082 if (game_mode_switch) {
mus3 16:b66a720631dd 1083 OnePlayer = true;
mus3 16:b66a720631dd 1084 } else {
mus3 16:b66a720631dd 1085 OnePlayer = false;
mus3 16:b66a720631dd 1086 }
mus3 16:b66a720631dd 1087 selectedPos = (boardPos)
mus3 16:b66a720631dd 1088 {
mus3 16:b66a720631dd 1089 10, 10
mus3 16:b66a720631dd 1090 };
mus3 16:b66a720631dd 1091 possibleMoves.clear();
mus3 16:b66a720631dd 1092 moveCursor(0, 0);
mus3 16:b66a720631dd 1093 }
mus3 16:b66a720631dd 1094
mhannay3 7:9e01c9a334dc 1095 void joyStickUp()
mhannay3 7:9e01c9a334dc 1096 {
mhannay3 9:1f33c0f299ae 1097 moveCursor(1, 0);
mhannay3 7:9e01c9a334dc 1098 }
mus3 16:b66a720631dd 1099
mhannay3 7:9e01c9a334dc 1100 void joyStickDown()
mhannay3 7:9e01c9a334dc 1101 {
mhannay3 9:1f33c0f299ae 1102 moveCursor(-1, 0);
mhannay3 7:9e01c9a334dc 1103 }
mus3 16:b66a720631dd 1104
mhannay3 7:9e01c9a334dc 1105 void joyStickLeft()
mhannay3 7:9e01c9a334dc 1106 {
mhannay3 9:1f33c0f299ae 1107 moveCursor(0, -1);
mhannay3 7:9e01c9a334dc 1108 }
mus3 16:b66a720631dd 1109
mhannay3 7:9e01c9a334dc 1110 void joyStickRight()
mhannay3 7:9e01c9a334dc 1111 {
mhannay3 9:1f33c0f299ae 1112 moveCursor(0, 1);
mhannay3 7:9e01c9a334dc 1113 }
mus3 16:b66a720631dd 1114
mhannay3 7:9e01c9a334dc 1115 void joyStickPressed()
mhannay3 7:9e01c9a334dc 1116 {
mhannay3 8:928d5d33258f 1117 switch(state) {
mhannay3 8:928d5d33258f 1118 case whiteSelecting:
mhannay3 9:1f33c0f299ae 1119 case blackSelecting: {
mus3 11:43c89579ac52 1120 possibleMoves.clear();
mhannay3 8:928d5d33258f 1121 selectedPos = cursorPos;
mhannay3 9:1f33c0f299ae 1122 Piece tempPiece = gameBoard.getPiece(cursorPos);
mhannay3 9:1f33c0f299ae 1123 std::vector<Piece> pickablePieces = state == whiteSelecting ? whitePieces : blackPieces;
mhannay3 9:1f33c0f299ae 1124 // check that piece is white and able to be picked up
mhannay3 9:1f33c0f299ae 1125 if (std::find(pickablePieces.begin(), pickablePieces.end(), tempPiece) != pickablePieces.end()) {
mhannay3 9:1f33c0f299ae 1126 selectedPiece = tempPiece;
mhannay3 9:1f33c0f299ae 1127 possibleMoves = gameBoard.getBoardState().getMoves(cursorPos);
mhannay3 9:1f33c0f299ae 1128 // draw movement squares
mhannay3 9:1f33c0f299ae 1129 for (std::vector<boardPos>::iterator it = possibleMoves.begin(); it != possibleMoves.end(); ++it) {
mhannay3 9:1f33c0f299ae 1130 gameBoard.movementSquare(*it);
mhannay3 9:1f33c0f299ae 1131 }
mhannay3 9:1f33c0f299ae 1132 gameBoard.selectSquare(selectedPos);
mus3 11:43c89579ac52 1133 // transition state
mus3 14:f390d08e5f92 1134 if (OnePlayer) {
mus3 14:f390d08e5f92 1135 state = whitePickedUp;
mus3 14:f390d08e5f92 1136 } else {
mus3 14:f390d08e5f92 1137 state = state == whiteSelecting ? whitePickedUp : blackPickedUp;
mus3 14:f390d08e5f92 1138 }
mus3 11:43c89579ac52 1139 } else {
mus3 16:b66a720631dd 1140 selectedPos = (boardPos) {
mus3 11:43c89579ac52 1141 10, 10
mus3 11:43c89579ac52 1142 };
mus3 16:b66a720631dd 1143 bad_move = 1;
mus3 16:b66a720631dd 1144 wait(0.1);
mus3 16:b66a720631dd 1145 bad_move = 0;
mus3 16:b66a720631dd 1146 wait(0.02);
mhannay3 9:1f33c0f299ae 1147 }
mhannay3 8:928d5d33258f 1148 break;
mhannay3 9:1f33c0f299ae 1149 }
mhannay3 9:1f33c0f299ae 1150 case whitePickedUp:
mhannay3 9:1f33c0f299ae 1151 case blackPickedUp: {
mhannay3 9:1f33c0f299ae 1152 // check if move is valid
mhannay3 9:1f33c0f299ae 1153 if (std::find(possibleMoves.begin(), possibleMoves.end(), cursorPos) != possibleMoves.end()) {
mhannay3 9:1f33c0f299ae 1154 // move the piece
mhannay3 9:1f33c0f299ae 1155 Piece capturedPiece = gameBoard.movePieceAndDraw(selectedPos, cursorPos);
mhannay3 9:1f33c0f299ae 1156 // check for king capture
mus3 16:b66a720631dd 1157 if (state == whitePickedUp && capturedPiece == bK) {
mus3 16:b66a720631dd 1158 uLCD.cls();
mus3 16:b66a720631dd 1159 uLCD.text_height(2);
mus3 16:b66a720631dd 1160 uLCD.text_width(2);
mus3 16:b66a720631dd 1161 uLCD.color(WHITE);
mus3 16:b66a720631dd 1162 uLCD.locate(2,2);
mus3 16:b66a720631dd 1163 uLCD.printf("WHITE");
mus3 16:b66a720631dd 1164 uLCD.locate(2,4);
mus3 16:b66a720631dd 1165 uLCD.printf("WINS");
mus3 16:b66a720631dd 1166 while(1) {
mus3 16:b66a720631dd 1167 if (!reset_button) {
mus3 16:b66a720631dd 1168 reset_game();
mus3 16:b66a720631dd 1169 break;
mus3 16:b66a720631dd 1170 }
mus3 16:b66a720631dd 1171 }
mus3 16:b66a720631dd 1172 break;
mus3 16:b66a720631dd 1173 } else if (state == blackPickedUp && capturedPiece == wK) {
mus3 16:b66a720631dd 1174 uLCD.cls();
mus3 16:b66a720631dd 1175 uLCD.text_height(2);
mus3 16:b66a720631dd 1176 uLCD.text_width(2);
mus3 16:b66a720631dd 1177 uLCD.color(WHITE);
mus3 16:b66a720631dd 1178 uLCD.locate(2,2);
mus3 16:b66a720631dd 1179 uLCD.printf("BLACK");
mus3 16:b66a720631dd 1180 uLCD.locate(2,4);
mus3 16:b66a720631dd 1181 uLCD.printf("WINS");
mus3 16:b66a720631dd 1182 while(1) {
mus3 16:b66a720631dd 1183 if (!reset_button) {
mus3 16:b66a720631dd 1184 reset_game();
mus3 16:b66a720631dd 1185 break;
mus3 16:b66a720631dd 1186 }
mus3 16:b66a720631dd 1187 }
mus3 16:b66a720631dd 1188 break;
mhannay3 9:1f33c0f299ae 1189 }
mhannay3 9:1f33c0f299ae 1190 // transition state
mus3 14:f390d08e5f92 1191 if (OnePlayer) {
mus3 14:f390d08e5f92 1192 state = blackAI;
mus3 14:f390d08e5f92 1193 } else {
mus3 14:f390d08e5f92 1194 state = state == whitePickedUp ? blackSelecting : whiteSelecting;
mus3 14:f390d08e5f92 1195 }
mhannay3 9:1f33c0f299ae 1196 // check if placing piece back down
mus3 11:43c89579ac52 1197 } else {
mhannay3 9:1f33c0f299ae 1198 // transition state
mhannay3 9:1f33c0f299ae 1199 state = state == whitePickedUp ? whiteSelecting : blackSelecting;
mhannay3 9:1f33c0f299ae 1200 }
mhannay3 9:1f33c0f299ae 1201 // unselect movement squares
mhannay3 9:1f33c0f299ae 1202 for (std::vector<boardPos>::iterator it = possibleMoves.begin(); it != possibleMoves.end(); ++it) {
mhannay3 9:1f33c0f299ae 1203 gameBoard.unselectSquare(*it);
mhannay3 9:1f33c0f299ae 1204 }
mhannay3 9:1f33c0f299ae 1205 gameBoard.unselectSquare(selectedPos);
mhannay3 9:1f33c0f299ae 1206 gameBoard.hoverSquare(cursorPos);
mus3 11:43c89579ac52 1207 possibleMoves.clear();
mus3 16:b66a720631dd 1208 selectedPos = (boardPos) {
mus3 11:43c89579ac52 1209 10, 10
mus3 11:43c89579ac52 1210 };
mhannay3 8:928d5d33258f 1211 break;
mhannay3 9:1f33c0f299ae 1212 }
mhannay3 9:1f33c0f299ae 1213 case whiteAI:
mus3 14:f390d08e5f92 1214 break;
mhannay3 9:1f33c0f299ae 1215 case blackAI: {
mus3 14:f390d08e5f92 1216 boardPos bestMoveSourceDepth0 = (boardPos) {
mus3 14:f390d08e5f92 1217 0, 0
mus3 14:f390d08e5f92 1218 };
mus3 14:f390d08e5f92 1219 boardPos bestMoveDestDepth0 = (boardPos) {
mus3 14:f390d08e5f92 1220 0, 0
mus3 14:f390d08e5f92 1221 };
mus3 14:f390d08e5f92 1222 float bestMoveValueDepth0 = 100000.0;
mus3 14:f390d08e5f92 1223 for (int i = 0; i < 64; i++) {
mus3 14:f390d08e5f92 1224 boardPos currSourceDepth0 = (boardPos) {
mus3 14:f390d08e5f92 1225 i/8, i%8
mus3 14:f390d08e5f92 1226 };
mus3 14:f390d08e5f92 1227 Piece currPieceDepth0 = gameBoard.getBoardState().getPiece(i/8, i%8);
mus3 14:f390d08e5f92 1228 if (currPieceDepth0 == bK || currPieceDepth0 == bQ || currPieceDepth0 == bR || currPieceDepth0 == bB || currPieceDepth0 == bN || currPieceDepth0 == b) {
mus3 14:f390d08e5f92 1229 std::vector<boardPos> possibleMovesDepth0 = gameBoard.getBoardState().getMoves(currSourceDepth0);
mus3 14:f390d08e5f92 1230 for (std::vector<boardPos>::iterator it = possibleMovesDepth0.begin(); it != possibleMovesDepth0.end(); ++it) {
mus3 14:f390d08e5f92 1231 BoardState bsDepth0;
mus3 14:f390d08e5f92 1232 for (int j = 0; j < 64; j++) {
mus3 14:f390d08e5f92 1233 bsDepth0.placePiece(gameBoard.getBoardState().getPiece(j/8, j%8), j/8, j%8);
mus3 14:f390d08e5f92 1234 }
mus3 14:f390d08e5f92 1235 bsDepth0.movePiece(currSourceDepth0.row, currSourceDepth0.column, (*it).row, (*it).column);
mus3 14:f390d08e5f92 1236 float bestMoveValueDepth1 = -100000.0;
mus3 14:f390d08e5f92 1237 for (int i2 = 0; i2 < 64; i2++) {
mus3 14:f390d08e5f92 1238 boardPos currSourceDepth1 = (boardPos) {
mus3 14:f390d08e5f92 1239 i2/8, i2%8
mus3 14:f390d08e5f92 1240 };
mus3 14:f390d08e5f92 1241 Piece currPieceDepth1 = bsDepth0.getPiece(i2/8, i2%8);
mus3 14:f390d08e5f92 1242 if (currPieceDepth1 == wK || currPieceDepth1 == wQ || currPieceDepth1 == wR || currPieceDepth1 == wB || currPieceDepth1 == wN || currPieceDepth1 == w) {
mus3 14:f390d08e5f92 1243 std::vector<boardPos> possibleMovesDepth1 = bsDepth0.getMoves(currSourceDepth1);
mus3 14:f390d08e5f92 1244 for (std::vector<boardPos>::iterator it2 = possibleMovesDepth1.begin(); it2 != possibleMovesDepth1.end(); ++it2) {
mus3 14:f390d08e5f92 1245 BoardState bsDepth1;
mus3 14:f390d08e5f92 1246 for (int j2 = 0; j2 < 64; j2++) {
mus3 14:f390d08e5f92 1247 bsDepth1.placePiece(bsDepth0.getPiece(j2/8, j2%8), j2/8, j2%8);
mus3 14:f390d08e5f92 1248 }
mus3 14:f390d08e5f92 1249 bsDepth1.movePiece(currSourceDepth1.row, currSourceDepth1.column, (*it2).row, (*it2).column);
mus3 14:f390d08e5f92 1250 float bestMoveValueDepth2 = 100000.0;
mus3 14:f390d08e5f92 1251 for (int i3 = 0; i3 < 64; i3++) {
mus3 14:f390d08e5f92 1252 boardPos currSourceDepth2 = (boardPos) {
mus3 14:f390d08e5f92 1253 i3/8, i3%8
mus3 14:f390d08e5f92 1254 };
mus3 14:f390d08e5f92 1255 Piece currPieceDepth2 = bsDepth1.getPiece(i3/8, i3%8);
mus3 14:f390d08e5f92 1256 if (currPieceDepth2 == bK || currPieceDepth2 == bQ || currPieceDepth2 == bR || currPieceDepth2 == bB || currPieceDepth2 == bN || currPieceDepth2 == b) {
mus3 14:f390d08e5f92 1257 std::vector<boardPos> possibleMovesDepth2 = bsDepth1.getMoves(currSourceDepth2);
mus3 14:f390d08e5f92 1258 for (std::vector<boardPos>::iterator it3 = possibleMovesDepth2.begin(); it3 != possibleMovesDepth2.end(); ++it3) {
mus3 14:f390d08e5f92 1259 BoardState bsDepth2;
mus3 14:f390d08e5f92 1260 for (int j3 = 0; j3 < 64; j3++) {
mus3 14:f390d08e5f92 1261 bsDepth2.placePiece(bsDepth1.getPiece(j3/8, j3%8), j3/8, j3%8);
mus3 14:f390d08e5f92 1262 }
mus3 14:f390d08e5f92 1263 bsDepth2.movePiece(currSourceDepth2.row, currSourceDepth2.column, (*it3).row, (*it3).column);
mus3 14:f390d08e5f92 1264 float thisMoveValueDepth2 = bsDepth2.calculateBoardState();
mus3 14:f390d08e5f92 1265 if (thisMoveValueDepth2 < bestMoveValueDepth2) {
mus3 14:f390d08e5f92 1266 bestMoveValueDepth2 = thisMoveValueDepth2;
mus3 14:f390d08e5f92 1267 }
mus3 14:f390d08e5f92 1268 }
mus3 14:f390d08e5f92 1269 }
mus3 14:f390d08e5f92 1270 }
mus3 14:f390d08e5f92 1271 if (bestMoveValueDepth2 > bestMoveValueDepth1) {
mus3 14:f390d08e5f92 1272 bestMoveValueDepth1 = bestMoveValueDepth2;
mus3 14:f390d08e5f92 1273 }
mus3 14:f390d08e5f92 1274 }
mus3 14:f390d08e5f92 1275 }
mus3 14:f390d08e5f92 1276 }
mus3 16:b66a720631dd 1277
mus3 14:f390d08e5f92 1278 if (bestMoveValueDepth1 < bestMoveValueDepth0) {
mus3 14:f390d08e5f92 1279 bestMoveSourceDepth0 = currSourceDepth0;
mus3 14:f390d08e5f92 1280 bestMoveDestDepth0 = *it;
mus3 14:f390d08e5f92 1281 bestMoveValueDepth0 = bestMoveValueDepth1;
mus3 14:f390d08e5f92 1282 }
mus3 14:f390d08e5f92 1283 }
mus3 14:f390d08e5f92 1284 }
mus3 14:f390d08e5f92 1285 }
mus3 14:f390d08e5f92 1286 Piece capturedPiece = gameBoard.movePieceAndDraw(bestMoveSourceDepth0, bestMoveDestDepth0);
mus3 16:b66a720631dd 1287 if (capturedPiece == wK) {
mus3 16:b66a720631dd 1288 uLCD.cls();
mus3 16:b66a720631dd 1289 uLCD.text_height(2);
mus3 16:b66a720631dd 1290 uLCD.text_width(2);
mus3 16:b66a720631dd 1291 uLCD.color(WHITE);
mus3 16:b66a720631dd 1292 uLCD.locate(2,2);
mus3 16:b66a720631dd 1293 uLCD.printf("BLACK");
mus3 16:b66a720631dd 1294 uLCD.locate(2,4);
mus3 16:b66a720631dd 1295 uLCD.printf("WINS");
mus3 16:b66a720631dd 1296 while(1) {
mus3 16:b66a720631dd 1297 if (!reset_button) {
mus3 16:b66a720631dd 1298 reset_game();
mus3 16:b66a720631dd 1299 break;
mus3 16:b66a720631dd 1300 }
mus3 16:b66a720631dd 1301 }
mus3 16:b66a720631dd 1302 break;
mus3 14:f390d08e5f92 1303 }
mus3 14:f390d08e5f92 1304 state = whiteSelecting;
mhannay3 8:928d5d33258f 1305 break;
mhannay3 9:1f33c0f299ae 1306 }
mus3 14:f390d08e5f92 1307 default: {
mus3 14:f390d08e5f92 1308 break;
mus3 14:f390d08e5f92 1309 }
mus3 14:f390d08e5f92 1310 }
mus3 14:f390d08e5f92 1311 }
mus3 16:b66a720631dd 1312
mus3 14:f390d08e5f92 1313 // bluetooth
mus3 14:f390d08e5f92 1314 volatile bool button_ready = 0;
mus3 14:f390d08e5f92 1315 volatile int bnum = 0;
mus3 14:f390d08e5f92 1316 volatile int bhit = 0;
mus3 14:f390d08e5f92 1317 enum statetype {start = 0, got_exclm, got_B, got_num, got_hit};
mus3 14:f390d08e5f92 1318 statetype bluetooth_state = start;
mus3 14:f390d08e5f92 1319
mus3 14:f390d08e5f92 1320 void parse_message()
mus3 14:f390d08e5f92 1321 {
mus3 14:f390d08e5f92 1322 switch (bluetooth_state) {
mus3 14:f390d08e5f92 1323 case start:
mus3 14:f390d08e5f92 1324 if (Blue.getc() == '!') bluetooth_state = got_exclm;
mus3 14:f390d08e5f92 1325 else bluetooth_state = start;
mus3 14:f390d08e5f92 1326 break;
mus3 14:f390d08e5f92 1327 case got_exclm:
mus3 14:f390d08e5f92 1328 if (Blue.getc() == 'B') bluetooth_state = got_B;
mus3 14:f390d08e5f92 1329 else bluetooth_state = start;
mus3 14:f390d08e5f92 1330 break;
mus3 14:f390d08e5f92 1331 case got_B:
mus3 14:f390d08e5f92 1332 bnum = Blue.getc();
mus3 14:f390d08e5f92 1333 bluetooth_state = got_num;
mus3 14:f390d08e5f92 1334 break;
mus3 14:f390d08e5f92 1335 case got_num:
mus3 14:f390d08e5f92 1336 bhit = Blue.getc();
mus3 14:f390d08e5f92 1337 bluetooth_state = got_hit;
mus3 14:f390d08e5f92 1338 break;
mus3 14:f390d08e5f92 1339 case got_hit:
mus3 14:f390d08e5f92 1340 if (Blue.getc() == char(~('!' + ' B' + bnum + bhit))) button_ready = 1;
mus3 14:f390d08e5f92 1341 bluetooth_state = start;
mus3 14:f390d08e5f92 1342 break;
mus3 14:f390d08e5f92 1343 default:
mus3 14:f390d08e5f92 1344 Blue.getc();
mus3 14:f390d08e5f92 1345 bluetooth_state = start;
mhannay3 8:928d5d33258f 1346 }
mhannay3 7:9e01c9a334dc 1347 }
mus3 16:b66a720631dd 1348
mus3 11:43c89579ac52 1349 Nav_Switch myNav(p9, p6, p7, p5, p8); //pin order on Sparkfun breakout
mus3 16:b66a720631dd 1350
mhannay3 5:b553c51b3b85 1351 int main()
mhannay3 5:b553c51b3b85 1352 {
mus3 16:b66a720631dd 1353 reset_button.mode(PullUp);
mus3 16:b66a720631dd 1354 game_mode_switch.mode(PullUp);
mus3 16:b66a720631dd 1355 wait(0.01);
mhannay3 9:1f33c0f299ae 1356 whitePieces.push_back(wK);
mhannay3 9:1f33c0f299ae 1357 whitePieces.push_back(wQ);
mhannay3 9:1f33c0f299ae 1358 whitePieces.push_back(wB);
mhannay3 9:1f33c0f299ae 1359 whitePieces.push_back(wN);
mhannay3 9:1f33c0f299ae 1360 whitePieces.push_back(wR);
mhannay3 9:1f33c0f299ae 1361 whitePieces.push_back(w);
mhannay3 9:1f33c0f299ae 1362 blackPieces.push_back(bK);
mhannay3 9:1f33c0f299ae 1363 blackPieces.push_back(bQ);
mhannay3 9:1f33c0f299ae 1364 blackPieces.push_back(bB);
mhannay3 9:1f33c0f299ae 1365 blackPieces.push_back(bN);
mhannay3 9:1f33c0f299ae 1366 blackPieces.push_back(bR);
mhannay3 9:1f33c0f299ae 1367 blackPieces.push_back(b);
mus3 16:b66a720631dd 1368
mus3 16:b66a720631dd 1369 if (game_mode_switch) {
mus3 16:b66a720631dd 1370 OnePlayer = true;
mus3 16:b66a720631dd 1371 } else {
mus3 16:b66a720631dd 1372 OnePlayer = false;
mus3 16:b66a720631dd 1373 }
mus3 16:b66a720631dd 1374
mus3 11:43c89579ac52 1375 moveCursor(0, 0);
mus3 14:f390d08e5f92 1376 Blue.attach(&parse_message,Serial::RxIrq);
mus3 16:b66a720631dd 1377
mus3 11:43c89579ac52 1378 while (1) {
mus3 16:b66a720631dd 1379 if (!reset_button) {
mus3 16:b66a720631dd 1380 reset_game();
mus3 16:b66a720631dd 1381 } else if (state == blackAI) {
mus3 14:f390d08e5f92 1382 joyStickPressed();
mus3 16:b66a720631dd 1383 } else if (myNav.up()) {
mus3 11:43c89579ac52 1384 joyStickUp();
mus3 11:43c89579ac52 1385 } else if (myNav.down()) {
mus3 11:43c89579ac52 1386 joyStickDown();
mus3 11:43c89579ac52 1387 } else if (myNav.left()) {
mus3 11:43c89579ac52 1388 joyStickLeft();
mus3 11:43c89579ac52 1389 } else if (myNav.right()) {
mus3 11:43c89579ac52 1390 joyStickRight();
mus3 11:43c89579ac52 1391 } else if (myNav.fire()) {
mus3 11:43c89579ac52 1392 joyStickPressed();
mus3 14:f390d08e5f92 1393 } else if (button_ready && bhit == '1') {
mus3 14:f390d08e5f92 1394 switch(bnum) {
mus3 14:f390d08e5f92 1395 case '1':
mus3 14:f390d08e5f92 1396 joyStickPressed();
mus3 14:f390d08e5f92 1397 break;
mus3 17:4d74a661d6a0 1398 case '2':
mus3 17:4d74a661d6a0 1399 reset_game();
mus3 17:4d74a661d6a0 1400 break;
mus3 14:f390d08e5f92 1401 case '5':
mus3 14:f390d08e5f92 1402 joyStickUp();
mus3 14:f390d08e5f92 1403 break;
mus3 14:f390d08e5f92 1404 case '6':
mus3 14:f390d08e5f92 1405 joyStickDown();
mus3 14:f390d08e5f92 1406 break;
mus3 14:f390d08e5f92 1407 case '7':
mus3 14:f390d08e5f92 1408 joyStickLeft();
mus3 14:f390d08e5f92 1409 break;
mus3 14:f390d08e5f92 1410 case '8':
mus3 14:f390d08e5f92 1411 joyStickRight();
mus3 14:f390d08e5f92 1412 break;
mus3 14:f390d08e5f92 1413 }
mus3 14:f390d08e5f92 1414 button_ready = false;
mus3 11:43c89579ac52 1415 }
mus3 14:f390d08e5f92 1416 wait(0.2);
mus3 11:43c89579ac52 1417 }
mhannay3 1:cd78922f70fa 1418 }