[BitBoard] Add kingAttacks method
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@@ -51,3 +51,12 @@ BitBoard BitBoard::southFill() const {
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BitBoard BitBoard::fileFill() const {
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return northFill() | southFill();
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}
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BitBoard BitBoard::kingAttacks(const BitBoard bb) {
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BitBoard result = bb.east() | bb.west() | bb;
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result |= (result.north() | result.south());
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result ^= bb;
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return result;
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}
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@@ -95,6 +95,8 @@ public:
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BitBoard southFill() const;
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BitBoard fileFill() const;
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static BitBoard kingAttacks(BitBoard bb);
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static BitBoard fromIndex(unsigned i);
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static BitBoard getRank(int r);
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