fix clue count when playing 5s on 8 clues
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parent
6e71a6a457
commit
87ff267f80
3 changed files with 11 additions and 9 deletions
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@ -162,7 +162,7 @@ public:
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void normalize_draw_and_positions();
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void normalize_draw_and_positions();
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void revert_clue();
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void revert_clue();
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void revert_play(const BacktrackAction &action);
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void revert_play(const BacktrackAction &action, bool was_on_8_clues);
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void revert_discard(const BacktrackAction &action);
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void revert_discard(const BacktrackAction &action);
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uint8_t draw(uint8_t index);
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uint8_t draw(uint8_t index);
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@ -128,7 +128,7 @@ namespace Hanabi {
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BacktrackAction ret{_hands[_turn][index], index, 0};
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BacktrackAction ret{_hands[_turn][index], index, 0};
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if (card.rank == 0) {
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if (card.rank == 0 and _num_clues < max_num_clues) {
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// update clues if we played the last card of a stack
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// update clues if we played the last card of a stack
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_num_clues++;
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_num_clues++;
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}
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}
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@ -301,9 +301,10 @@ namespace Hanabi {
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}
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}
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template<std::size_t num_suits, player_t num_players, std::size_t hand_size>
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template<std::size_t num_suits, player_t num_players, std::size_t hand_size>
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void HanabiState<num_suits, num_players, hand_size>::revert_play(const BacktrackAction& action) {
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void HanabiState<num_suits, num_players, hand_size>::revert_play(const BacktrackAction& action, bool was_on_8_clues) {
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ASSERT(!was_on_8_clues or _num_clues == 8);
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decr_turn();
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decr_turn();
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if (action.discarded.rank == 0) {
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if (action.discarded.rank == 0 and not was_on_8_clues) {
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_num_clues--;
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_num_clues--;
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}
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}
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revert_draw(action.index, action.discarded);
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revert_draw(action.index, action.discarded);
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@ -353,19 +354,20 @@ namespace Hanabi {
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for(std::uint8_t index = 0; index < hand_size; index++) {
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for(std::uint8_t index = 0; index < hand_size; index++) {
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if(is_playable(hand[index])) {
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if(is_playable(hand[index])) {
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if (_draw_pile.empty()) {
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if (_draw_pile.empty()) {
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auto copy = *this;
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bool on_8_clues = _num_clues == 8;
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BacktrackAction action = play(index);
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BacktrackAction action = play(index);
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const double probability_for_this_play = backtrack(depth + 1);
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const double probability_for_this_play = backtrack(depth + 1);
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revert_play(action);
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revert_play(action, on_8_clues);
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UPDATE_PROBABILITY(probability_for_this_play);
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UPDATE_PROBABILITY(probability_for_this_play);
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} else {
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} else {
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double sum_of_probabilities = 0;
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double sum_of_probabilities = 0;
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uint8_t sum_of_mults = 0;
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uint8_t sum_of_mults = 0;
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for (size_t i = 0; i < _draw_pile.size(); i++) {
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for (size_t i = 0; i < _draw_pile.size(); i++) {
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bool on_8_clues = _num_clues == 8;
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BacktrackAction action = play(index);
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BacktrackAction action = play(index);
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sum_of_probabilities += backtrack(depth + 1) * action.multiplicity;
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sum_of_probabilities += backtrack(depth + 1) * action.multiplicity;
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sum_of_mults += action.multiplicity;
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sum_of_mults += action.multiplicity;
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revert_play(action);
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revert_play(action, on_8_clues);
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ASSERT(sum_of_mults <= _weighted_draw_pile_size);
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ASSERT(sum_of_mults <= _weighted_draw_pile_size);
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}
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}
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ASSERT(sum_of_mults == _weighted_draw_pile_size);
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ASSERT(sum_of_mults == _weighted_draw_pile_size);
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@ -376,7 +378,7 @@ namespace Hanabi {
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}
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}
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// Check for discards now
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// Check for discards now
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if(_pace > 0) {
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if(_pace > 0 and _num_clues < max_num_clues) {
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for(std::uint8_t index = 0; index < hand_size; index++) {
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for(std::uint8_t index = 0; index < hand_size; index++) {
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if (is_trash(hand[index])) {
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if (is_trash(hand[index])) {
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double sum_of_probabilities = 0;
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double sum_of_probabilities = 0;
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2
main.cpp
2
main.cpp
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@ -30,7 +30,7 @@ void test_game() {
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auto a = state.play(4);
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auto a = state.play(4);
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std::cout << state;
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std::cout << state;
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state.revert_play(a);
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state.revert_play(a, false);
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std::cout << state << std::endl;
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std::cout << state << std::endl;
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std::cout << state2 << std::endl;
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std::cout << state2 << std::endl;
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