{"header":{"message":"Refactoring: Move blocker attacks to attacks.zig","description":null,"timestamp":"2023-01-03T05:24:05.460840975Z","authors":[{}]},"hash":"GZPVUGLJGD3VGLIK7JDABQ24E5SWN5CYRDGI6PIAFZ2BIMRDMANQC","authors":[{"login":"voroskoi","key":"Guf8VYJNUiWAqxwLxDSKxmvvtY65ht2zK2q4h6VhxrcZ"}],"deps":{"hashes":[["GZPVUGLJGD3VGLIK7JDABQ24E5SWN5CYRDGI6PIAFZ2BIMRDMANQC","Refactoring: Move blocker attacks to attacks.zig"],["AA",null],["YVNKHIU4ENET52Y5BD5WFA23EVTQ4ZQQLIAZRRA4AN44TXUTNRCQC","Enhance magic number part, add tests"],["FR6N5DIUYYWT5BBOIBOX3GCSEKZIINSGT4F4CWM6YA2XLQEOU4ZQC","Add setOccupancy()"],["ET37VV7TCQDN6RWF46EUJB6EPNSDOX5TI25NW4P4H5HI4VOTARZQC","Add Rook attack table"],["XARNBDT4A5X6F3WFC5YNZBV5RNZ5GBRYOWKAK5R6HSTPBNIXTHDAC","Add relevant occupancy matrices"],["BL3ZR4OWJM54HFXUNMUZKB5YQYVBT7ETFIXCOXWL6S5SZFM6IFDQC","Refactoring, simplifying attack table generation"],["SNMQLFZFCV5XTPRLSD7SV4RPVOGUVJOYCZAKI5ATCEPSI5JMGVAAC","Add runtime blocker checks"],["TDHJSFFSJZBEZFMDHPLRSVB6CIVJ7AWGGNIC3WUCADQLQSIQKXDAC","Add magic number generator"]],"deps":["YVNKHIU4ENET52Y5BD5WFA23EVTQ4ZQQLIAZRRA4AN44TXUTNRCQC"],"known":["BL3ZR4OWJM54HFXUNMUZKB5YQYVBT7ETFIXCOXWL6S5SZFM6IFDQC","ET37VV7TCQDN6RWF46EUJB6EPNSDOX5TI25NW4P4H5HI4VOTARZQC","SNMQLFZFCV5XTPRLSD7SV4RPVOGUVJOYCZAKI5ATCEPSI5JMGVAAC","FR6N5DIUYYWT5BBOIBOX3GCSEKZIINSGT4F4CWM6YA2XLQEOU4ZQC","XARNBDT4A5X6F3WFC5YNZBV5RNZ5GBRYOWKAK5R6HSTPBNIXTHDAC","TDHJSFFSJZBEZFMDHPLRSVB6CIVJ7AWGGNIC3WUCADQLQSIQKXDAC"]},"hunks":[{"Edit":{"inode":{"change":3,"pos":204},"path":"src/attacks.zig","line":272,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":7438}],"down_context":[{"change":3,"pos":7438}],"flag":"BLOCK","start":0,"end":1243,"inode":{"change":3,"pos":204}}},"contents":[{"Add":" }"},{"Add":""},{"Add":" return attacks;"},{"Add":"}"},{"Add":""},{"Add":"fn attackWithBlocker(blocks: Chess.BoardType, square: Chess.Square, piece: Chess.Pieces) Chess.BoardType {"},{"Add":" const rank = @intCast(isize, square.rank());"},{"Add":" const file = @intCast(isize, square.file());"},{"Add":""},{"Add":" const moves = switch (piece) {"},{"Add":" .bishop => [_][2]i3{"},{"Add":" .{ -1, -1 },"},{"Add":" .{ -1, 1 },"},{"Add":" .{ 1, -1 },"},{"Add":" .{ 1, 1 },"},{"Add":" },"},{"Add":" .rook => [_][2]i3{"},{"Add":" .{ -1, 0 },"},{"Add":" .{ 1, 0 },"},{"Add":" .{ 0, -1 },"},{"Add":" .{ 0, 1 },"},{"Add":" },"},{"Add":" else => unreachable,"},{"Add":" };"},{"Add":""},{"Add":" var attacks: Chess.BoardType = 0;"},{"Add":""},{"Add":" for (moves) |m| {"},{"Add":" var step: i5 = 1;"},{"Add":" while (step < Chess.SIZE) : (step += 1) {"},{"Add":" const dr = rank + m[0] * step;"},{"Add":" const df = file + m[1] * step;"},{"Add":""},{"Add":" if (m[0] > 0 and dr > 7) break;"},{"Add":" if (m[0] < 0 and dr < 0) break;"},{"Add":" if (m[1] > 0 and df > 7) break;"},{"Add":" if (m[1] < 0 and df < 0) break;"},{"Add":""},{"Add":" const s = @intCast(u6, dr * Chess.SIZE + df);"},{"Add":" const mask = @intCast(Chess.BoardType, @as(Chess.BoardType, 1) << s);"},{"Add":""},{"Add":" attacks |= mask;"},{"Add":""},{"Add":" // stop when we hit a blocker"},{"Add":" if (mask & blocks != 0) break;"},{"Add":" }"}]}},{"Edit":{"inode":{"change":3,"pos":204},"path":"src/attacks.zig","line":322,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":2}],"down_context":[{"change":3,"pos":2}],"flag":"BLOCK","start":1244,"end":1577,"inode":{"change":3,"pos":204}}},"contents":[{"Add":""},{"Add":"test \"attackWithBlocker\" {"},{"Add":" var bb: Chess.BitBoard = .{};"},{"Add":""},{"Add":" { // bishop d4"},{"Add":" bb.board = 0;"},{"Add":" bb.setSlice(&[_]Chess.Square{ .c3, .b6, .f2 });"},{"Add":""},{"Add":" const got = attackWithBlocker(bb.board, .d4, .bishop);"},{"Add":""},{"Add":" bb.board = 0;"},{"Add":" bb.setSlice(&[_]Chess.Square{ .c3, .f2, .e3, .c5, .b6, .e5, .f6, .g7, .h8 });"}]}},{"Edit":{"inode":{"change":3,"pos":204},"path":"src/attacks.zig","line":335,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":3}],"down_context":[{"change":3,"pos":3}],"flag":"BLOCK","start":1578,"end":2294,"inode":{"change":3,"pos":204}}},"contents":[{"Add":" try std.testing.expectEqual(bb.board, got);"},{"Add":" }"},{"Add":""},{"Add":" { // rook d4"},{"Add":" bb.board = 0;"},{"Add":" bb.setSlice(&[_]Chess.Square{ .b4, .d3, .d5 });"},{"Add":""},{"Add":" const got = attackWithBlocker(bb.board, .d4, .rook);"},{"Add":""},{"Add":" bb.board = 0;"},{"Add":" bb.setSlice(&[_]Chess.Square{ .c4, .b4, .d3, .d5, .e4, .f4, .g4, .h4 });"},{"Add":""},{"Add":" try std.testing.expectEqual(bb.board, got);"},{"Add":" }"},{"Add":""},{"Add":" { // rook h8"},{"Add":" bb.board = 0;"},{"Add":" bb.setSlice(&[_]Chess.Square{.b8});"},{"Add":""},{"Add":" const got = attackWithBlocker(bb.board, .h8, .rook);"},{"Add":""},{"Add":" bb.board = 0;"},{"Add":" bb.setSlice(&[_]Chess.Square{ .b8, .c8, .d8, .e8, .f8, .g8, .h7, .h6, .h5, .h4, .h3, .h2, .h1 });"},{"Add":""},{"Add":" try std.testing.expectEqual(bb.board, got);"},{"Add":" }"},{"Add":"}"},{"Add":""}]}},{"Edit":{"inode":{"change":3,"pos":7502},"path":"src/Chess.zig","line":123,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":10763},"to":{"change":3,"start":10763,"end":10769},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":10769},"to":{"change":3,"start":0,"end":1},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1},"to":{"change":3,"start":126,"end":208},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":208},"to":{"change":3,"start":84,"end":685},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":84},"to":{"change":3,"start":84,"end":685},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":685},"to":{"change":3,"start":5623,"end":5671},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":5671},"to":{"change":3,"start":737,"end":1191},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":737},"to":{"change":3,"start":737,"end":1191},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1191},"to":{"change":3,"start":5672,"end":5718},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":5718},"to":{"change":3,"start":1191,"end":1292},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1191},"to":{"change":3,"start":1191,"end":1292},"introduced_by":3}],"inode":{"change":3,"pos":7502}}},"contents":[{"Del":" }\n"},{"Del":"\n"},{"Del":" pub fn riderBlocker(self: @This(), square: Square, piece: Pieces) BoardType {\n"},{"Del":" const rank = @intCast(isize, square.rank());\n const file = @intCast(isize, square.file());\n\n const moves = switch (piece) {\n .bishop => [_][2]i3{\n .{ -1, -1 },\n .{ -1, 1 },\n .{ 1, -1 },\n .{ 1, 1 },\n },\n .rook => [_][2]i3{\n .{ -1, 0 },\n .{ 1, 0 },\n .{ 0, -1 },\n .{ 0, 1 },\n },\n else => unreachable,\n };\n\n var blockers: BoardType = 0;\n\n for (moves) |m| {\n var step: i5 = 1;\n"},{"Del":" while (step < SIZE) : (step += 1) {\n"},{"Del":" const dr = rank + m[0] * step;\n const df = file + m[1] * step;\n\n if (m[0] > 0 and dr > 7) break;\n if (m[0] < 0 and dr < 0) break;\n if (m[1] > 0 and df > 7) break;\n if (m[1] < 0 and df < 0) break;\n\n const s = @intCast(u6, dr * SIZE + df);\n const mask = @intCast(BoardType, @as(BoardType, 1) << s);\n\n blockers |= mask;\n\n"},{"Del":" // stop when we hit a blocker\n"},{"Del":" if (mask & self.board != 0) break;\n }\n }\n\n return blockers;\n"}]}},{"Edit":{"inode":{"change":3,"pos":7502},"path":"src/Chess.zig","line":180,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1307},"to":{"change":3,"start":1307,"end":1359},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1359},"to":{"change":2,"start":3209,"end":3228},"introduced_by":2},{"previous":"","flag":"DELETED","from":{"change":2,"pos":3228},"to":{"change":3,"start":1375,"end":1662},"introduced_by":2},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1375},"to":{"change":3,"start":1375,"end":1662},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1662},"to":{"change":2,"start":3229,"end":3246},"introduced_by":2},{"previous":"","flag":"DELETED","from":{"change":2,"pos":3246},"to":{"change":3,"start":1676,"end":1949},"introduced_by":2},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1676},"to":{"change":3,"start":1676,"end":1949},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1071},"to":{"change":3,"start":1071,"end":1078},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1078},"to":{"change":2,"start":3247,"end":3264},"introduced_by":2},{"previous":"","flag":"DELETED","from":{"change":2,"pos":3264},"to":{"change":3,"start":5719,"end":5829},"introduced_by":2},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1092},"to":{"change":3,"start":5719,"end":5829},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":5829},"to":{"change":3,"start":1142,"end":1143},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1142},"to":{"change":3,"start":1142,"end":1143},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1143},"to":{"change":3,"start":5830,"end":5952},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":5952},"to":{"change":3,"start":1593,"end":1594},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1593},"to":{"change":3,"start":1593,"end":1594},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1594},"to":{"change":3,"start":5953,"end":6005},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":6005},"to":{"change":3,"start":1666,"end":1672},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1666},"to":{"change":3,"start":1666,"end":1672},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1672},"to":{"change":3,"start":998,"end":1000},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":998},"to":{"change":3,"start":998,"end":1000},"introduced_by":3}],"inode":{"change":3,"pos":7502}}},"contents":[{"Del":"\ntest \"riderBlocker\" {\n var bb: BitBoard = .{};\n\n"},{"Del":" { // bishop d4\n"},{"Del":" bb.board = 0;\n bb.setSlice(&[_]Square{ .c3, .b6, .f2 });\n\n const got = bb.riderBlocker(.d4, .bishop);\n\n bb.board = 0;\n bb.setSlice(&[_]Square{ .c3, .f2, .e3, .c5, .b6, .e5, .f6, .g7, .h8 });\n\n try std.testing.expectEqual(bb.board, got);\n }\n\n"},{"Del":" { // rook d4\n"},{"Del":" bb.board = 0;\n bb.setSlice(&[_]Square{ .b4, .d3, .d5 });\n\n const got = bb.riderBlocker(.d4, .rook);\n\n bb.board = 0;\n bb.setSlice(&[_]Square{ .c4, .b4, .d3, .d5, .e4, .f4, .g4, .h4 });\n\n try std.testing.expectEqual(bb.board, got);\n"},{"Del":" }\n\n"},{"Del":" { // rook h8\n"},{"Del":" bb.board = 0;\n bb.setSlice(&[_]Square{.b8});\n\n const got = bb.riderBlocker(.h8, .rook);\n"},{"Del":"\n"},{"Del":" bb.board = 0;\n bb.setSlice(&[_]Square{ .b8, .c8, .d8, .e8, .f8, .g8, .h7, .h6, .h5, .h4, .h3, .h2, .h1 });\n"},{"Del":"\n"},{"Del":" try std.testing.expectEqual(bb.board, got);\n"},{"Del":" }\n"},{"Del":"}\n"}]}}],"owner":"voroskoi","repo":"pistike","token":"MWWIyxEmVJH9ZTIBDxbZ+/BwPPqlrkU6JpJhLyVz0Nk=","login":null}

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