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gameconstants.c
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#include "gameconstants.h"
/* +2 to pieceIdx to get index in this array. K,k,A,a,B,b,P,p,N,n,C,c,R,r,- */
const int8_t pieceIdxLookup[INVALID_IDX + 3] = {1,1,2,2,1,1,1,1,1,2,3,4,5,6,0};
/**
* Important: +2 to pieceIdx to get index in this array.
*
* Stores the region where the given piece can move freely. For a non-pawn
* piece, its scope is the smallest rectangular region that contains
* all the possible slots it can ever reach. For pawns, the scope is the
* opponent's half board not including the slots where pawns can only
* move forward.
*/
const scope_t scopes[INVALID_IDX + 3] = {
/* {rowMin, colMin, rowMax, colMax} */
{7 , 3 , 9 , 5}, // Red king.
{0 , 3 , 2 , 5}, // Black king.
{7 , 3 , 9 , 5}, // Red advisor.
{0 , 3 , 2 , 5}, // Black advisor.
{5 , 0 , 9 , 8}, // Red bishop.
{0 , 0 , 4 , 8}, // Black bishop.
{0 , 0 , 4 , 8}, // Red pawn.
{5 , 0 , 9 , 8}, // Black pawn.
{0 , 0 , 9 , 8}, // Red knight.
{0 , 0 , 9 , 8}, // Black knight.
{0 , 0 , 9 , 8}, // Red canon.
{0 , 0 , 9 , 8}, // Black canon.
{0 , 0 , 9 , 8}, // Red rook.
{0 , 0 , 9 , 8}, // Black rook.
{0 , 0 , 9 , 8}, // Blank space.
};
const bool validSlotLookup[INVALID_IDX + 3][10][9] = {
/* Red king. */
{
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,1,1,1,0,0,0},
{0,0,0,1,1,1,0,0,0},
{0,0,0,1,1,1,0,0,0},
},
/* Black king. */
{
{0,0,0,1,1,1,0,0,0},
{0,0,0,1,1,1,0,0,0},
{0,0,0,1,1,1,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
},
/* Red advisor. */
{
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,1,0,1,0,0,0},
{0,0,0,0,1,0,0,0,0},
{0,0,0,1,0,1,0,0,0},
},
/* Black advisor. */
{
{0,0,0,1,0,1,0,0,0},
{0,0,0,0,1,0,0,0,0},
{0,0,0,1,0,1,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
},
/* Red bishop. */
{
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,1,0,0,0,1,0,0},
{0,0,0,0,0,0,0,0,0},
{1,0,0,0,1,0,0,0,1},
{0,0,0,0,0,0,0,0,0},
{0,0,1,0,0,0,1,0,0},
},
/* Black bishop. */
{
{0,0,1,0,0,0,1,0,0},
{0,0,0,0,0,0,0,0,0},
{1,0,0,0,1,0,0,0,1},
{0,0,0,0,0,0,0,0,0},
{0,0,1,0,0,0,1,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
},
/* Red pawn. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,0,1,0,1,0,1,0,1},
{1,0,1,0,1,0,1,0,1},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
},
/* Black pawn. */
{
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{1,0,1,0,1,0,1,0,1},
{1,0,1,0,1,0,1,0,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Red knight. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Black knight. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Red cannon. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Black cannon. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Red rook. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Black rook. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
/* Blank space. */
{
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
{1,1,1,1,1,1,1,1,1},
},
};