75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
#pragma once
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#include <map>
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#include <memory>
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#include <optional>
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#include <string>
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#include <vector>
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#include <QWidget>
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#include "BuilderModeExitedEvent.h"
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#include "BuildHotkeyPressedEvent.h"
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#include "BuildingBlocksChangedEvent.h"
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#include "BuildingType.h"
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#include "DeconstructModeChangedEvent.h"
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#include "EventHandler.h"
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#include "GameConfig.h"
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#include "UnlockedBuildingsChangedEvent.h"
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class QPushButton;
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class Simulation;
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class ItemIconCache;
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class BuildButtonGrid : public QWidget,
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public CombinedEventHandler<BuilderModeExitedEvent,
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DeconstructModeChangedEvent,
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BuildHotkeyPressedEvent,
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BuildingBlocksChangedEvent,
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UnlockedBuildingsChangedEvent>
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{
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Q_OBJECT
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public:
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// iconDir is the directory holding the per-building "<id>.svg" chip icons
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// (REQ-UI-BUILD-GRID); itemsIconDir holds the per-item icons and supplies the
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// building_block icon shown in each button's cost (REQ-UI-BUILD-COST). Both are
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// read from disk at runtime, like the config files.
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BuildButtonGrid(Simulation* sim, const GameConfig* config,
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const std::string& iconDir, const std::string& itemsIconDir,
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QWidget* parent = nullptr);
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~BuildButtonGrid() override;
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void clearActiveButton();
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private:
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// Re-evaluates which build buttons are enabled from the current building block
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// stock (read from the simulation). If the currently selected tool can no longer
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// be afforded, it exits builder mode so the button does not stay selected.
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void updateAffordability();
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// Re-evaluates which build buttons are visible from the current per-building
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// unlock state (REQ-LOCK-BUILDING); a locked building type's button is hidden.
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void updateVisibility();
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void handleEvent(std::shared_ptr<const BuilderModeExitedEvent> event) override;
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void handleEvent(std::shared_ptr<const DeconstructModeChangedEvent> event) override;
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void handleEvent(std::shared_ptr<const BuildHotkeyPressedEvent> event) override;
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void handleEvent(std::shared_ptr<const BuildingBlocksChangedEvent> event) override;
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void handleEvent(std::shared_ptr<const UnlockedBuildingsChangedEvent> event) override;
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private slots:
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void onBuildButton(int index);
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private:
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Simulation* m_sim;
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const GameConfig* m_config;
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std::string m_iconDir;
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std::unique_ptr<ItemIconCache> m_itemIcons;
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std::vector<BuildingType> m_types;
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std::vector<QPushButton*> m_buttons;
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std::map<BuildingType, int> m_costs;
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std::optional<std::size_t> m_activeIndex;
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QPushButton* m_deconstructButton;
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};
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