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Solitaire: Add undo functionality

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Matthew B. Jones 2021-06-02 18:16:49 -06:00 • committed by GitHub
parent 9444272ba0
commit ab4f4ddc3c
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 125 additions and 10 deletions
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19
Userland/Games/Solitaire/Game.h
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@ -37,10 +37,12 @@ public:
Mode mode() const { return m_mode; }
void setup(Mode);
void perform_undo();
Function<void(uint32_t)> on_score_update;
Function<void()> on_game_start;
Function<void(GameOverReason, uint32_t)> on_game_end;
Function<void(bool)> on_undo_availability_change;
private:
Game();
@ -103,6 +105,19 @@ private:
int8_t punishment { 0 };
};
struct LastMove {
enum class Type {
Invalid,
MoveCards,
FlipCard
};
Type type { Type::Invalid };
CardStack* from { nullptr };
NonnullRefPtrVector<Card> cards;
CardStack* to { nullptr };
};
enum StackLocation {
Stock,
Waste,
@ -140,6 +155,9 @@ private:
}
void mark_intersecting_stacks_dirty(Card& intersecting_card);
void score_move(CardStack& from, CardStack& to, bool inverse);
void remember_move_for_undo(CardStack& from, CardStack& to, NonnullRefPtrVector<Card> moved_cards);
void remember_flip_for_undo(Card& card);
void update_score(int to_add);
void move_card(CardStack& from, CardStack& to);
void start_game_over_animation();
@ -163,6 +181,7 @@ private:
Mode m_mode { Mode::SingleCardDraw };
LastMove m_last_move;
NonnullRefPtrVector<Card> m_focused_cards;
NonnullRefPtrVector<Card> m_new_deck;
CardStack m_stacks[StackLocation::__Count];