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/*
* Copyright (c) 2020, Till Mayer <till.mayer@web.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Card.h"
#include <AK/Format.h>
#include <AK/RefCounted.h>
#include <AK/Vector.h>
namespace Cards {
class CardStack final : public RefCounted<CardStack> {
public:
enum class Type {
Invalid,
Stock,
Normal,
Waste,
Play,
Foundation
};
enum class MovementRule {
Alternating,
Same,
Any,
};
CardStack();
CardStack(Gfx::IntPoint position, Type type, RefPtr<CardStack> covered_stack = nullptr);
bool is_empty() const { return m_stack.is_empty(); }
Type type() const { return m_type; }
NonnullRefPtrVector<Card> const& stack() const { return m_stack; }
size_t count() const { return m_stack.size(); }
Card const& peek() const { return m_stack.last(); }
Card& peek() { return m_stack.last(); }
Gfx::IntRect const& bounding_box() const { return m_bounding_box; }
bool make_top_card_visible(); // Returns true if the card was flipped.
void push(NonnullRefPtr<Card> card);
NonnullRefPtr<Card> pop();
void move_to_stack(CardStack&);
void rebound_cards();
bool is_allowed_to_push(Card const&, size_t stack_size = 1, MovementRule movement_rule = MovementRule::Alternating) const;
void add_all_grabbed_cards(Gfx::IntPoint click_location, NonnullRefPtrVector<Card>& grabbed, MovementRule movement_rule = MovementRule::Alternating);
void paint(GUI::Painter&, Gfx::Color background_color);
void clear();
private:
struct StackRules {
uint8_t shift_x { 0 };
uint8_t shift_y { 0 };
uint8_t step { 1 };
uint8_t shift_y_upside_down { 0 };
};
static constexpr StackRules rules_for_type(Type stack_type)
{
switch (stack_type) {
case Type::Foundation:
return { 2, 1, 4, 1 };
case Type::Normal:
return { 0, 20, 1, 3 };
case Type::Stock:
return { 2, 1, 8, 1 };
case Type::Waste:
return { 0, 0, 1, 0 };
case Type::Play:
return { 20, 0, 1, 0 };
default:
return {};
}
}
void calculate_bounding_box();
// An optional stack that this stack is painted on top of.
// eg, in Solitaire the Play stack is positioned over the Waste stack.
RefPtr<CardStack> m_covered_stack;
NonnullRefPtrVector<Card> m_stack;
Vector<Gfx::IntPoint> m_stack_positions;
Gfx::IntPoint m_position;
Gfx::IntRect m_bounding_box;
Type m_type { Type::Invalid };
StackRules m_rules;
Gfx::IntRect m_base;
};
}
template<>
struct AK::Formatter<Cards::CardStack> : Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, Cards::CardStack const& stack)
{
StringView type;
switch (stack.type()) {
case Cards::CardStack::Type::Stock:
type = "Stock"sv;
break;
case Cards::CardStack::Type::Normal:
type = "Normal"sv;
break;
case Cards::CardStack::Type::Foundation:
type = "Foundation"sv;
break;
case Cards::CardStack::Type::Waste:
type = "Waste"sv;
break;
case Cards::CardStack::Type::Play:
type = "Play"sv;
break;
default:
VERIFY_NOT_REACHED();
}
StringBuilder cards;
bool first_card = true;
for (auto const& card : stack.stack()) {
cards.appendff("{}{}", (first_card ? "" : " "), card);
first_card = false;
}
return Formatter<FormatString>::format(builder, "{:<10} {:>16}: {}"sv, type, stack.bounding_box(), cards.build());
}
};
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