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bishop move + moves format

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k 2025-06-19 04:00:17 -04:00
parent 49befc72b6
commit 76c69dbf18
3 changed files with 128 additions and 40 deletions
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1
headers/moves.h
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@ -4,4 +4,5 @@
int pawnMove(game *g, move *moves);
int knightMove(game *g, move* moves);
int rookMove(game *g, move *moves);
int bishopMove(game *g, move *moves);
#endif

1
src/main.c
View File

@ -59,6 +59,7 @@ int main() {
cnt += pawnMove(g,mov);
cnt += knightMove(g,(mov+cnt));
cnt += rookMove(g,(mov+cnt));
cnt += bishopMove(g,(mov+cnt));
move *m = &mov[rand() % cnt];
char *end = "";

106
src/moves.c
View File

@ -1,10 +1,11 @@
#include "types.h"
#include "moves.h"
#include "help.h"
#include "types.h"
#include <stddef.h>
#include <stdlib.h>
int rookScan(game *g, move *moves, long long w, long long b);
int bishopScan(game *g, move *moves, long long w, long long b);
int pawnMove(game *g, move *moves) {
long long pawns = g->whiteToMove ? g->white.pawns : g->black.pawns;
@ -47,12 +48,7 @@ int knightMove(game *g, move *moves) {
long long knights = g->whiteToMove ? g->white.knights : g->black.knights;
long long occupied = g->whiteToMove ? fullSet(&g->white) : fullSet(&g->black);
int kMoves[] = {
-17, -15,
-10, -6,
6, 10,
15, 17
};
int kMoves[] = {-17, -15, -10, -6, 6, 10, 15, 17};
int index = 0;
for (int i = 0; i < 64; i++) {
@ -72,7 +68,8 @@ int knightMove(game *g, move *moves) {
int fileDiff = abs(fromFile - toFile);
int rankDiff = abs(fromRank - toRank);
if (!((fileDiff == 1 && rankDiff == 2) || (fileDiff == 2 && rankDiff == 1)))
if (!((fileDiff == 1 && rankDiff == 2) ||
(fileDiff == 2 && rankDiff == 1)))
continue;
long long destBit = 1LL << to;
@ -85,7 +82,6 @@ int knightMove(game *g, move *moves) {
return index;
}
int rookMove(game *g, move *moves) {
return rookScan(g, moves, g->white.rooks, g->black.rooks);
}
@ -93,7 +89,8 @@ int rookMove(game *g, move *moves){
int rookScan(game *g, move *moves, long long w, long long b) {
long long rooks = g->whiteToMove ? w : b;
long long occupied = g->whiteToMove ? fullSet(&g->white) : fullSet(&g->black);
long long occupiedE = !g->whiteToMove ? fullSet(&g->white) : fullSet(&g->black);
long long occupiedE =
!g->whiteToMove ? fullSet(&g->white) : fullSet(&g->black);
int index = 0;
for (int i = 0; i < 64; i++) {
@ -150,3 +147,92 @@ int rookScan(game *g, move *moves,long long w, long long b){
return index;
}
int bishopMove(game *g, move *moves) {
return bishopScan(g, moves, g->white.bishops, g->black.bishops);
}
int bishopScan(game *g, move *moves, long long w, long long b) {
long long bishops = g->whiteToMove ? w : b;
long long occupied = g->whiteToMove ? fullSet(&g->white) : fullSet(&g->black);
long long occupiedE =
!g->whiteToMove ? fullSet(&g->white) : fullSet(&g->black);
int index = 0;
for (int i = 0; i < 64; i++) {
long long bit = 1LL << i;
int x = i % 8;
int y = i / 8;
if (!(bishops & bit))
continue;
// ur
for (int j = 1;; j++) {
int xTo = x + j;
int yTo = y + j;
if (xTo >= 8 || yTo >= 8)
break;
int to = (yTo * 8) + xTo;
long long lbit = 1LL << to;
if (occupied & lbit)
break;
moves[index++] = (move){.From = i, .To = to};
if (occupiedE & lbit)
break;
}
// ul
for (int j = 1;; j++) {
int xTo = x - j;
int yTo = y + j;
if (xTo < 0 || yTo >= 8)
break;
int to = (yTo * 8) + xTo;
long long lbit = 1LL << to;
if (occupied & lbit)
break;
moves[index++] = (move){.From = i, .To = to};
if (occupiedE & lbit)
break;
}
// dr
for (int j = 1;; j++) {
int xTo = x + j;
int yTo = y - j;
if (xTo >= 8 || yTo < 0)
break;
int to = (yTo * 8) + xTo;
long long lbit = 1LL << to;
if (occupied & lbit)
break;
moves[index++] = (move){.From = i, .To = to};
if (occupiedE & lbit)
break;
}
// dl
for (int j = 1;; j++) {
int xTo = x - j;
int yTo = y - j;
if (xTo < 0 || yTo < 0)
break;
int to = (yTo * 8) + xTo;
long long lbit = 1LL << to;
if (occupied & lbit)
break;
moves[index++] = (move){.From = i, .To = to};
if (occupiedE & lbit)
break;
}
}
return index;
}