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Spider: Make the last move undoable

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The lets the user undo the last card move. Card moves which cause
cards to be moved to the waste stack cannot be undone.
This commit is contained in:
Gunnar Beutner 2022-10-15 12:49:56 +02:00 • committed by Gunnar Beutner
parent 6d18164ab0
commit c97421eabe
3 changed files with 73 additions and 0 deletions
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18
Userland/Games/Spider/Game.h
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@ -40,13 +40,29 @@ 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();
struct LastMove {
enum class Type {
Invalid,
MoveCards
};
Type type { Type::Invalid };
CardStack* from { nullptr };
size_t card_count;
bool was_visible;
CardStack* to { nullptr };
};
enum StackLocation {
Completed,
Stock,
@ -68,6 +84,7 @@ private:
};
void start_timer_if_necessary();
void remember_move_for_undo(CardStack&, CardStack&, size_t, bool);
void update_score(int delta);
void draw_cards();
void detect_full_stacks();
@ -82,6 +99,7 @@ private:
Mode m_mode { Mode::SingleSuit };
LastMove m_last_move;
NonnullRefPtrVector<Card> m_new_deck;
Gfx::IntPoint m_mouse_down_location;