tmp: save progress from @black-pearltmp

7 files changed, 78 insertions, 12 deletions

diff --git a/src/bitboard.c b/src/bitboard.c
index e53e3ed..96f220d 100644
--- a/src/bitboard.c
+++ b/src/bitboard.c
@@ -35,3 +35,29 @@ inline int bitscanAndReset(Bitboard* bb) {
   *bb &= *bb - 1;
   return idx;
 }
+
+
+/* These 4 blindly copied from chessprogramming.org TODO: rewrite */
+U64 rankMask(enumSquare sq) {
+  return  C64(0xff) << (sq & 56);
+}
+
+U64 fileMask(enumSquare sq) {
+  return C64(0x0101010101010101) << (sq & 7);
+}
+
+U64 diagonalMask(enumSquare sq) {
+   const U64 maindia = C64(0x8040201008040201);
+   int diag =8*(sq & 7) - (sq & 56);
+   int nort = -diag & ( diag >> 31);
+   int sout =  diag & (-diag >> 31);
+   return (maindia >> sout) << nort;
+}
+
+U64 antiDiagMask(enumSquare sq) {
+   const U64 maindia = C64(0x0102040810204080);
+   int diag =56- 8*(sq&7) - (sq&56);
+   int nort = -diag & ( diag >> 31);
+   int sout =  diag & (-diag >> 31);
+   return (maindia >> sout) << nort;
+}
diff --git a/src/bitboard.h b/src/bitboard.h
index 6b89c84..02298d3 100644
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -1,7 +1,6 @@
 #include "types.h"
 
 typedef U64 Bitboard;
-#define BIT (U64)1
 
 int popCount(Bitboard bb);
 
@@ -12,3 +11,8 @@ Bitboard ls1b(Bitboard bb);
 int bitscan(Bitboard bb);
 
 int bitscanAndReset(Bitboard* bb);
+
+Bitboard rankMask(enumSquare sq);
+Bitboard fileMask(enumSquare sq);
+Bitboard diagMask(enumSquare sq);
+Bitboard antiDiasMask(enumSquare sq);
diff --git a/src/bitboard.ha b/src/bitboard.ha
new file mode 100644
index 0000000..8af3403
--- /dev/null
+++ b/src/bitboard.ha
@@ -0,0 +1,15 @@
+use fmt;
+
+fn printBitboard(bb: u64) void = {
+	for (let i = 0; i < 64; i+= 1) {
+		fmt::printfln("{}", ((bb >> i) & 1) && '1' || '.');
+	};
+	// if ((index + 1) % 8 == 0) {
+	// };
+};
+
+@test fn printBitboard() void = {
+	let bb: u64 = 123u64;
+	printBitboard(bb);
+
+};
diff --git a/src/board.h b/src/board.h
index b63b494..2f37815 100644
--- a/src/board.h
+++ b/src/board.h
@@ -17,17 +17,6 @@ typedef struct {
   BYTE enPassantSquare;
 } Board;
 
-typedef enum enumSquare {
-  a1, b1, c1, d1, e1, f1, g1, h1,
-  a2, b2, c2, d2, e2, f2, g2, h2,
-  a3, b3, c3, d3, e3, f3, g3, h3,
-  a4, b4, c4, d4, e4, f4, g4, h4,
-  a5, b5, c5, d5, e5, f5, g5, h5,
-  a6, b6, c6, d6, e6, f6, g6, h6,
-  a7, b7, c7, d7, e7, f7, g7, h7,
-  a8, b8, c8, d8, e8, f8, g8, h8
-} enumSquare;
-
 static const char* notation[64] = {
   "a1", "b1", "c1", "d1", "e1", "f1", "g1", "h1",
   "a2", "b2", "c2", "d2", "e2", "f2", "g2", "h2",
diff --git a/src/main.ha b/src/main.ha
new file mode 100644
index 0000000..492f179
--- /dev/null
+++ b/src/main.ha
@@ -0,0 +1,11 @@
+use fmt;
+
+export fn main() void = {
+	fmt::println("Hello world!")!;
+	let a: u64 = 123;
+};
+
+@test fn testWtf() void = {
+	assert(1 == 0, "Failed");
+	fmt::println("Test wtf")!;
+};
diff --git a/src/move.h b/src/move.h
new file mode 100644
index 0000000..4bf244a
--- /dev/null
+++ b/src/move.h
@@ -0,0 +1,6 @@
+#include "bitboard.h"
+
+typedef struct {
+  Bitboard from;
+  Bitboard to;
+} Move;
diff --git a/src/types.h b/src/types.h
index 371d8b8..0728947 100644
--- a/src/types.h
+++ b/src/types.h
@@ -1,6 +1,21 @@
+#ifndef TYPES_H
+#define TYPES_H
 typedef unsigned char  BYTE;
 typedef unsigned short WORD;
 typedef unsigned long QWORD;
 typedef unsigned long U64;
 
+#define C64(constantU64) constantU64##ULL
+#define BIT (U64)1
 
+typedef enum enumSquare {
+  a1, b1, c1, d1, e1, f1, g1, h1,
+  a2, b2, c2, d2, e2, f2, g2, h2,
+  a3, b3, c3, d3, e3, f3, g3, h3,
+  a4, b4, c4, d4, e4, f4, g4, h4,
+  a5, b5, c5, d5, e5, f5, g5, h5,
+  a6, b6, c6, d6, e6, f6, g6, h6,
+  a7, b7, c7, d7, e7, f7, g7, h7,
+  a8, b8, c8, d8, e8, f8, g8, h8
+} enumSquare;
+#endif