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fix: pattern logic of `S2Mover`

master
Dnomd343 3 weeks ago
parent
4e6626595e
commit
cd4add0f91
2 changed files with 314 additions and 265 deletions
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  1. 52
      src/core/main.cc
  2. 311
      src/core/mover/internal/s2_mover.cc

52
src/core/main.cc
View File

@ -79,15 +79,59 @@ int main() {
// const auto code = CommonCode::from_string(s1_left[1]).value().to_raw_code(); // const auto code = CommonCode::from_string(s1_left[1]).value().to_raw_code();
// const auto code = CommonCode::from_string(s1_right[1]).value().to_raw_code(); // const auto code = CommonCode::from_string(s1_right[1]).value().to_raw_code();
auto code = CommonCode::unsafe_create(0x1A9BF0C00).to_raw_code(); // auto code = CommonCode::unsafe_create(0x1A9BF0C00).to_raw_code();
S2Mover mover([](uint64_t code) { // S2Mover mover([](uint64_t code) {
std::cout << RawCode::unsafe_create(code) << std::endl; // std::cout << RawCode::unsafe_create(code) << std::endl;
// if (!RawCode::check(code)) {
// std::cout << "error" << std::endl;
// std::abort();
// }
// });
// mover.next_cases(code.unwrap());
auto common_mover = [](RawCode src) {
std::vector<uint64_t> results {};
auto mover = MaskMover([&results](RawCode code, uint64_t) {
results.emplace_back(code.unwrap());
});
mover.next_cases(src, 0);
std::ranges::sort(results.begin(), results.end());
return results;
};
auto s2_mover = [](RawCode src) {
std::vector<uint64_t> results {};
auto mover = S2Mover([&results](uint64_t code) {
// std::cout << RawCode::unsafe_create(code) << std::endl;
if (!RawCode::check(code)) { if (!RawCode::check(code)) {
std::cout << "error" << std::endl; std::cout << "error" << std::endl;
std::abort(); std::abort();
} }
results.emplace_back(code);
}); });
mover.next_cases(code.unwrap()); mover.next_cases(src.unwrap());
std::ranges::sort(results.begin(), results.end());
return results;
};
// auto code = CommonCode::unsafe_create(0x45C8B9000).to_raw_code();
// std::cout << std::format("{}\n", common_mover(code));
// std::cout << std::format("{}\n", s2_mover(code));
for (auto code : AllCases::instance().fetch().codes()) {
auto type_id = GroupUnion::from_common_code(code).unwrap();
auto [n, n_2x1, n_1x1] = BLOCK_NUM[type_id];
if (n * 2 + n_1x1 != 14) {
continue; // not s2 cases
}
auto raw_code = code.to_raw_code();
auto ret_1 = common_mover(raw_code);
auto ret_2 = s2_mover(raw_code);
if (ret_1 != ret_2) {
std::cout << "!!! get -> " << code << std::endl;
}
}
// TODO: maybe we can support `std::format` // TODO: maybe we can support `std::format`

311
src/core/mover/internal/s2_mover.cc
View File

@ -34,327 +34,332 @@ using klotski::codec::RawCode;
((code) | ((uint64_t)0b111'111'000'000'111'100 << ((addr) * 3))) ((code) | ((uint64_t)0b111'111'000'000'111'100 << ((addr) * 3)))
void S2Mover::two_space_a(uint64_t code, int offset) const { void S2Mover::two_space_a(uint64_t code, int offset) const {
// TODO: only apply once (maybe using goto or do-while)
// ---------------- case up ---------------- // ---------------- case up ----------------
do {
if (offset >= 4) { if (offset >= 4) {
/// 1x1 & 1x1 const uint8_t up_c = APPLY_MASK(code, offset - 4, 0b111);
if (APPLY_MASK(code, offset - 4, 0b111'111) == 0b011'011) { if (up_c == BLOCK_1x2) {
auto tmp_1 = UNSET_1x1(code, offset - 4);
release_(SET_1x1(tmp_1, offset));
release_(SET_1x1(tmp_1, offset + 1));
auto tmp_2 = UNSET_1x1(code, offset - 3);
release_(SET_1x1(tmp_2, offset + 1));
release_(SET_1x1(tmp_2, offset));
}
/// 1x2
if (APPLY_MASK(code, offset - 4, 0b111'111) == 0b111'001) {
release_(SET_1x2(UNSET_1x2(code, offset - 4), offset)); release_(SET_1x2(UNSET_1x2(code, offset - 4), offset));
} break;
} }
if (up_c == BLOCK_1x1) {
const auto tmp = UNSET_1x1(code, offset - 4);
release_(SET_1x1(tmp, offset));
release_(SET_1x1(tmp, offset + 1));
// -> check right
} else if (up_c == BLOCK_fill) {
if (offset >= 8) { if (offset >= 8) {
/// 1x1 & 2x1 const uint8_t up_a = APPLY_MASK(code, offset - 8, 0b111);
if (APPLY_MASK(code, offset - 8, 0b111'111'000'000'111'000) == 0b111'011'000'000'010'000) { if (up_a == BLOCK_2x2) {
auto tmp_1 = UNSET_1x1(code, offset - 4); release_(SET_2x2(UNSET_2x2(code, offset - 8), offset - 4));
release_(SET_1x1(tmp_1, offset)); break;
release_(SET_1x1(tmp_1, offset + 1));
release_(SET_2x1(UNSET_2x1(code, offset - 7), offset - 3));
} }
if (up_a == BLOCK_2x1) {
/// 2x1 & 1x1
if (APPLY_MASK(code, offset - 8, 0b111'111'000'000'000'111) == 0b011'111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4)); release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4));
auto tmp_1 = UNSET_1x1(code, offset - 3); // -> check right
release_(SET_1x1(tmp_1, offset + 1)); }
release_(SET_1x1(tmp_1, offset)); }
// -> check right
} else {
std::unreachable();
} }
/// 2x1 & 2x1 const uint8_t up_d = APPLY_MASK(code, offset - 3, 0b111);
if (APPLY_MASK(code, offset - 8, 0b111'111'000'000'111'111) == 0b111'111'000'000'010'010) { if (up_d == BLOCK_1x1) {
release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4)); const auto tmp = UNSET_1x1(code, offset - 3);
release_(SET_1x1(tmp, offset + 1));
release_(SET_1x1(tmp, offset));
break;
}
if (up_d == BLOCK_fill) {
if (offset >= 8) {
const uint8_t up_b = APPLY_MASK(code, offset - 7, 0b111);
if (up_b == BLOCK_2x1) {
release_(SET_2x1(UNSET_2x1(code, offset - 7), offset - 3)); release_(SET_2x1(UNSET_2x1(code, offset - 7), offset - 3));
break;
} }
/// 2x2
if (APPLY_MASK(code, offset - 8, 0b111'111'000'000'111'111) == 0b111'111'000'000'111'100) {
release_(SET_2x2(UNSET_2x2(code, offset - 8), offset - 4));
} }
} }
}
} while (false);
// ---------------- case down ---------------- // ---------------- case down ----------------
do {
if (offset < 16) { if (offset < 16) {
/// 1x1 & 1x1 const uint8_t down_a = APPLY_MASK(code, offset + 4, 0b111);
if (APPLY_MASK(code, offset + 4, 0b111'111) == 0b011'011) { if (down_a == BLOCK_1x2) {
auto tmp_1 = UNSET_1x1(code, offset + 4);
release_(SET_1x1(tmp_1, offset));
release_(SET_1x1(tmp_1, offset + 1));
auto tmp_2 = UNSET_1x1(code, offset + 5);
release_(SET_1x1(tmp_2, offset + 1));
release_(SET_1x1(tmp_2, offset));
}
/// 1x2
if (APPLY_MASK(code, offset + 4, 0b111'111) == 0b111'001) {
release_(SET_1x2(UNSET_1x2(code, offset + 4), offset)); release_(SET_1x2(UNSET_1x2(code, offset + 4), offset));
break;
} }
} if (down_a == BLOCK_2x2) {
if (offset < 12) { release_(SET_2x2(UNSET_2x2(code, offset + 4), offset));
/// 1x1 & 2x1 break;
if (APPLY_MASK(code, offset + 4, 0b111'000'000'000'111'111) == 0b111'000'000'000'010'011) {
auto tmp_1 = UNSET_1x1(code, offset + 4);
release_(SET_1x1(tmp_1, offset));
release_(SET_1x1(tmp_1, offset + 1));
release_(SET_2x1(UNSET_2x1(code, offset + 5), offset + 1));
} }
/// 2x1 & 1x1 if (down_a == BLOCK_2x1) {
if (APPLY_MASK(code, offset + 4, 0b000'111'000'000'111'111) == 0b000'111'000'000'011'010) {
release_(SET_2x1(UNSET_2x1(code, offset + 4), offset)); release_(SET_2x1(UNSET_2x1(code, offset + 4), offset));
auto tmp_1 = UNSET_1x1(code, offset + 5); } else if (down_a == BLOCK_1x1) {
release_(SET_1x1(tmp_1, offset + 1)); const auto tmp = UNSET_1x1(code, offset + 4);
release_(SET_1x1(tmp_1, offset)); release_(SET_1x1(tmp, offset));
release_(SET_1x1(tmp, offset + 1));
} }
/// 2x1 & 2x1 const uint8_t down_b = APPLY_MASK(code, offset + 5, 0b111);
if (APPLY_MASK(code, offset + 4, 0b111'111'000'000'111'111) == 0b111'111'000'000'010'010) { if (down_b == BLOCK_1x1) {
release_(SET_2x1(UNSET_2x1(code, offset + 4), offset)); const auto tmp = UNSET_1x1(code, offset + 5);
release_(SET_2x1(UNSET_2x1(code, offset + 5), offset + 1)); release_(SET_1x1(tmp, offset + 1));
release_(SET_1x1(tmp, offset));
break;
} }
if (down_b == BLOCK_2x1) {
/// 2x2 release_(SET_2x1(UNSET_2x1(code, offset + 5), offset + 1));
if (APPLY_MASK(code, offset + 4, 0b111'111'000'000'111'111) == 0b111'111'000'000'111'100) { break;
release_(SET_2x2(UNSET_2x2(code, offset + 4), offset));
} }
} }
} while (false);
// ---------------- case left ---------------- // ---------------- case left ----------------
if ((offset % 4) != 0) { do {
/// 1x1 if ((offset % 4) != 0) { // 1x1
if (APPLY_MASK(code, offset - 1, 0b111) == 0b011) { if (APPLY_MASK(code, offset - 1, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset - 1), offset)); release_(SET_1x1(UNSET_1x1(code, offset - 1), offset));
release_(SET_1x1(UNSET_1x1(code, offset - 1), offset + 1)); release_(SET_1x1(UNSET_1x1(code, offset - 1), offset + 1));
break;
} }
} }
if ((offset % 4) == 2) { if ((offset % 4) == 2) { // 1x2
/// 1x2
if (APPLY_MASK(code, offset - 2, 0b111'111) == 0b111'001) { if (APPLY_MASK(code, offset - 2, 0b111'111) == 0b111'001) {
release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1)); release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1));
release_(SET_1x2(UNSET_1x2(code, offset - 2), offset)); release_(SET_1x2(UNSET_1x2(code, offset - 2), offset));
break;
} }
} }
} while (false);
// ---------------- case right ---------------- // ---------------- case right ----------------
if ((offset % 4) != 2) { do {
/// 1x1 if ((offset % 4) != 2) { // 1x1
if (APPLY_MASK(code, offset + 2, 0b111) == 0b011) { if (APPLY_MASK(code, offset + 2, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset + 2), offset + 1)); release_(SET_1x1(UNSET_1x1(code, offset + 2), offset + 1));
release_(SET_1x1(UNSET_1x1(code, offset + 2), offset)); release_(SET_1x1(UNSET_1x1(code, offset + 2), offset));
break;
} }
} }
if ((offset % 4) == 0) { if ((offset % 4) == 0) { // 1x2
/// 1x2
if (APPLY_MASK(code, offset + 2, 0b111'111) == 0b111'001) { if (APPLY_MASK(code, offset + 2, 0b111'111) == 0b111'001) {
release_(SET_1x2(UNSET_1x2(code, offset + 2), offset + 1)); release_(SET_1x2(UNSET_1x2(code, offset + 2), offset + 1));
release_(SET_1x2(UNSET_1x2(code, offset + 2), offset)); release_(SET_1x2(UNSET_1x2(code, offset + 2), offset));
break;
} }
} }
} while (false);
} }
void S2Mover::two_space_b(uint64_t code, int offset) const { void S2Mover::two_space_b(uint64_t code, int offset) const {
// ---------------- case up ---------------- // ---------------- case up ----------------
do {
if (offset >= 4) { if (offset >= 4) {
/// 1x1 if (APPLY_MASK(code, offset - 4, 0b111) == 0b011) { // 1x1
if (APPLY_MASK(code, offset - 4, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset - 4), offset)); release_(SET_1x1(UNSET_1x1(code, offset - 4), offset));
release_(SET_1x1(UNSET_1x1(code, offset - 4), offset + 4)); release_(SET_1x1(UNSET_1x1(code, offset - 4), offset + 4));
break;
} }
} }
if (offset >= 8) { if (offset >= 8) {
/// 2x1 if (APPLY_MASK(code, offset - 8, 0b111'000'000'000'111) == 0b111'000'000'000'010) { // 2x1
if (APPLY_MASK(code, offset - 8, 0b111'000'000'000'111) == 0b111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4)); release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4));
release_(SET_2x1(UNSET_2x1(code, offset - 8), offset)); release_(SET_2x1(UNSET_2x1(code, offset - 8), offset));
break;
} }
} }
} while (false);
// ---------------- case down ---------------- // ---------------- case down ----------------
if (offset < 16) { do {
/// 1x1 if (offset < 12) {
if (APPLY_MASK(code, offset + 8, 0b111) == 0b011) { if (APPLY_MASK(code, offset + 8, 0b111) == 0b011) { // 1x1
release_(SET_1x1(UNSET_1x1(code, offset + 8), offset + 4)); release_(SET_1x1(UNSET_1x1(code, offset + 8), offset + 4));
release_(SET_1x1(UNSET_1x1(code, offset + 8), offset)); release_(SET_1x1(UNSET_1x1(code, offset + 8), offset));
break;
} }
} }
if (offset < 12) { if (offset < 8) {
/// 2x1 if (APPLY_MASK(code, offset + 8, 0b111'000'000'000'111) == 0b111'000'000'000'010) { // 2x1
if (APPLY_MASK(code, offset + 8, 0b111'000'000'000'111) == 0b111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset + 8), offset + 4)); release_(SET_2x1(UNSET_2x1(code, offset + 8), offset + 4));
release_(SET_2x1(UNSET_2x1(code, offset + 8), offset)); release_(SET_2x1(UNSET_2x1(code, offset + 8), offset));
break;
} }
} }
} while (false);
// ---------------- case left ---------------- // ---------------- case left ----------------
do {
if ((offset % 4) != 0) { if ((offset % 4) != 0) {
/// 1x1 & 1x1 const uint8_t left_b = APPLY_MASK(code, offset - 1, 0b111);
if (APPLY_MASK(code, offset - 1, 0b111'000'000'000'111) == 0b011'000'000'000'011) { if (left_b == BLOCK_2x1) {
auto tmp_1 = UNSET_1x1(code, offset - 1);
release_(SET_1x1(tmp_1, offset));
release_(SET_1x1(tmp_1, offset + 4));
auto tmp_2 = UNSET_1x1(code, offset + 3);
release_(SET_1x1(tmp_2, offset + 4));
release_(SET_1x1(tmp_2, offset));
}
/// 2x1
if (APPLY_MASK(code, offset - 1, 0b111'000'000'000'111) == 0b111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset - 1), offset)); release_(SET_2x1(UNSET_2x1(code, offset - 1), offset));
} break;
} }
if (left_b == BLOCK_1x1) {
const auto tmp = UNSET_1x1(code, offset - 1);
release_(SET_1x1(tmp, offset));
release_(SET_1x1(tmp, offset + 4));
// -> check down
} else if (left_b == BLOCK_fill) {
if ((offset % 4) >= 2) { if ((offset % 4) >= 2) {
/// 1x1 & 1x2 const uint8_t left_d = APPLY_MASK(code, offset - 2, 0b111);
if (APPLY_MASK(code, offset - 2, 0b111'111'000'000'111'000) == 0b111'001'000'000'011'000) { if (left_d == BLOCK_2x2) {
auto tmp_1 = UNSET_1x1(code, offset - 1); release_(SET_2x2(UNSET_2x2(code, offset - 2), offset - 1));
release_(SET_1x1(tmp_1, offset)); break;
release_(SET_1x1(tmp_1, offset + 4));
release_(SET_1x2(UNSET_1x2(code, offset + 2), offset + 3));
} }
if (left_d == BLOCK_1x2) {
/// 1x2 & 1x1
if (APPLY_MASK(code, offset - 2, 0b111'000'000'000'111'111) == 0b011'000'000'000'111'001) {
release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1)); release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1));
auto tmp_1 = UNSET_1x1(code, offset + 3); // -> check down
release_(SET_1x1(tmp_1, offset + 4)); }
release_(SET_1x1(tmp_1, offset)); }
// -> check down
} else {
std::unreachable();
} }
/// 1x2 & 1x2 const uint8_t left_d = APPLY_MASK(code, offset + 3, 0b111);
if (APPLY_MASK(code, offset - 2, 0b111'111'000'000'111'111) == 0b111'001'000'000'111'001) { if (left_d == BLOCK_1x1) {
release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1)); const auto tmp = UNSET_1x1(code, offset + 3);
release_(SET_1x1(tmp, offset + 4));
release_(SET_1x1(tmp, offset));
break;
}
if (left_d == BLOCK_fill) {
if ((offset % 4) >= 2) {
const uint8_t left_c = APPLY_MASK(code, offset + 2, 0b111);
if (left_c == BLOCK_1x2) {
release_(SET_1x2(UNSET_1x2(code, offset + 2), offset + 3)); release_(SET_1x2(UNSET_1x2(code, offset + 2), offset + 3));
break;
}
} }
/// 2x2
if (APPLY_MASK(code, offset - 2, 0b111'111'000'000'111'111) == 0b111'111'000'000'111'100) {
release_(SET_2x2(UNSET_2x2(code, offset - 2), offset - 1));
} }
} }
} while (false);
// ---------------- case right ---------------- // ---------------- case right ----------------
do {
if ((offset % 4) != 3) { if ((offset % 4) != 3) {
/// 1x1 & 1x1 const uint8_t right_a = APPLY_MASK(code, offset + 1, 0b111);
if (APPLY_MASK(code, offset + 1, 0b111'000'000'000'111) == 0b011'000'000'000'011) { if (right_a == BLOCK_2x1) {
auto tmp_1 = UNSET_1x1(code, offset + 1);
release_(SET_1x1(tmp_1, offset));
release_(SET_1x1(tmp_1, offset + 4));
auto tmp_2 = UNSET_1x1(code, offset + 5);
release_(SET_1x1(tmp_2, offset + 4));
release_(SET_1x1(tmp_2, offset));
}
/// 2x1
if (APPLY_MASK(code, offset + 1, 0b111'000'000'000'111) == 0b111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset + 1), offset)); release_(SET_2x1(UNSET_2x1(code, offset + 1), offset));
break;
} }
if (right_a == BLOCK_2x2) {
release_(SET_2x2(UNSET_2x2(code, offset + 1), offset));
break;
} }
if ((offset % 4) <= 1) { if (right_a == BLOCK_1x2) {
/// 1x1 & 1x2
if (APPLY_MASK(code, offset + 1, 0b111'111'000'000'000'111) == 0b111'001'000'000'000'011) {
auto tmp_1 = UNSET_1x1(code, offset + 1);
release_(SET_1x1(tmp_1, offset));
release_(SET_1x1(tmp_1, offset + 4));
release_(SET_1x2(UNSET_1x2(code, offset + 5), offset + 4));
}
/// 1x2 & 1x1
if (APPLY_MASK(code, offset + 1, 0b000'111'000'000'111'111) == 0b000'011'000'000'111'001) {
release_(SET_1x2(UNSET_1x2(code, offset + 1), offset)); release_(SET_1x2(UNSET_1x2(code, offset + 1), offset));
auto tmp_1 = UNSET_1x1(code, offset + 5); } else if (right_a == BLOCK_1x1) {
release_(SET_1x1(tmp_1, offset + 4)); const auto tmp = UNSET_1x1(code, offset + 1);
release_(SET_1x1(tmp_1, offset)); release_(SET_1x1(tmp, offset));
release_(SET_1x1(tmp, offset + 4));
} }
/// 1x2 & 1x2 const uint8_t right_c = APPLY_MASK(code, offset + 5, 0b111);
if (APPLY_MASK(code, offset + 1, 0b111'111'000'000'111'111) == 0b111'001'000'000'111'001) { if (right_c == BLOCK_1x1) {
release_(SET_1x2(UNSET_1x2(code, offset + 1), offset)); const auto tmp = UNSET_1x1(code, offset + 5);
release_(SET_1x2(UNSET_1x2(code, offset + 5), offset + 4)); release_(SET_1x1(tmp, offset + 4));
release_(SET_1x1(tmp, offset));
break;
} }
if (right_c == BLOCK_1x2) {
/// 2x2 release_(SET_1x2(UNSET_1x2(code, offset + 5), offset + 4));
if (APPLY_MASK(code, offset + 1, 0b111'111'000'000'111'111) == 0b111'111'000'000'111'100) { break;
release_(SET_2x2(UNSET_2x2(code, offset + 1), offset));
} }
} }
} while (false);
} }
void S2Mover::one_space(uint64_t code, int offset) const { void S2Mover::one_space(uint64_t code, int offset) const {
// ---------------- case up ---------------- // ---------------- case up ----------------
do {
if (offset >= 4) { if (offset >= 4) {
/// 1x1 /// 1x1
if (APPLY_MASK(code, offset - 4, 0b111) == 0b011) { if (APPLY_MASK(code, offset - 4, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset - 4), offset)); release_(SET_1x1(UNSET_1x1(code, offset - 4), offset));
break;
} }
} }
if (offset >= 8) { if (offset >= 8) {
/// 2x1 /// 2x1
if (APPLY_MASK(code, offset - 8, 0b111'000'000'000'111) == 0b111'000'000'000'010) { if (APPLY_MASK(code, offset - 8, 0b111'000'000'000'111) == 0b111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4)); release_(SET_2x1(UNSET_2x1(code, offset - 8), offset - 4));
break;
} }
} }
} while (false);
// ---------------- case down ---------------- // ---------------- case down ----------------
do {
if (offset < 16) { if (offset < 16) {
/// 1x1 /// 1x1
if (APPLY_MASK(code, offset + 4, 0b111) == 0b011) { if (APPLY_MASK(code, offset + 4, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset + 4), offset)); release_(SET_1x1(UNSET_1x1(code, offset + 4), offset));
break;
} }
} }
if (offset < 12) { if (offset < 12) {
/// 2x1 /// 2x1
if (APPLY_MASK(code, offset + 4, 0b111'000'000'000'111) == 0b111'000'000'000'010) { if (APPLY_MASK(code, offset + 4, 0b111'000'000'000'111) == 0b111'000'000'000'010) {
release_(SET_2x1(UNSET_2x1(code, offset + 4), offset)); release_(SET_2x1(UNSET_2x1(code, offset + 4), offset));
break;
} }
} }
} while (false);
// ---------------- case left ---------------- // ---------------- case left ----------------
do {
if ((offset % 4) != 0) { if ((offset % 4) != 0) {
/// 1x1 /// 1x1
if (APPLY_MASK(code, offset - 1, 0b111) == 0b011) { if (APPLY_MASK(code, offset - 1, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset - 1), offset)); release_(SET_1x1(UNSET_1x1(code, offset - 1), offset));
break;
} }
} }
if ((offset % 4) >= 2) { if ((offset % 4) >= 2) {
/// 1x2 /// 1x2
if (APPLY_MASK(code, offset - 2, 0b111'111) == 0b111'001) { if (APPLY_MASK(code, offset - 2, 0b111'111) == 0b111'001) {
release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1)); release_(SET_1x2(UNSET_1x2(code, offset - 2), offset - 1));
break;
} }
} }
} while (false);
// ---------------- case right ---------------- // ---------------- case right ----------------
do {
if ((offset % 4) != 3) { if ((offset % 4) != 3) {
/// 1x1 /// 1x1
if (APPLY_MASK(code, offset + 1, 0b111) == 0b011) { if (APPLY_MASK(code, offset + 1, 0b111) == 0b011) {
release_(SET_1x1(UNSET_1x1(code, offset + 1), offset)); release_(SET_1x1(UNSET_1x1(code, offset + 1), offset));
break;
} }
} }
if ((offset % 4) <= 1) { if ((offset % 4) <= 1) {
/// 1x2 /// 1x2
if (APPLY_MASK(code, offset + 1, 0b111'111) == 0b111'001) { if (APPLY_MASK(code, offset + 1, 0b111'111) == 0b111'001) {
release_(SET_1x2(UNSET_1x2(code, offset + 1), offset)); release_(SET_1x2(UNSET_1x2(code, offset + 1), offset));
break;
} }
} }
} while (false);
} }
void S2Mover::next_cases(uint64_t code) { void S2Mover::next_cases(uint64_t code) {

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