implement blueprints

src/ui/BlueprintPanel.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include <vector>
+
+#include <QWidget>
+
+#include "Blueprint.h"
+#include "EntityId.h"
+#include "GameConfig.h"
+#include "Tick.h"
+
+class Simulation;
+class QPushButton;
+class QScrollArea;
+class QVBoxLayout;
+
+class BlueprintPanel : public QWidget
+{
+    Q_OBJECT
+
+public:
+    BlueprintPanel(Simulation* sim, const GameConfig* config, QWidget* parent = nullptr);
+
+public slots:
+    void onSelectionChanged(const std::vector<EntityId>& ids);
+    void onStateUpdated(Tick tick, int blocks, double speed);
+    void clearActiveBlueprintButton();
+
+signals:
+    void blueprintPlacementRequested(Blueprint blueprint);
+    void exitBlueprintModeRequested();
+
+private slots:
+    void onCreateClicked();
+    void onDeleteClicked();
+    void onBlueprintButtonClicked(int index);
+
+private:
+    Blueprint createBlueprintFromSelection() const;
+    int       computeBlueprintCost(const Blueprint& bp) const;
+    void      rebuildButtons();
+    void      refreshButtonStates();
+
+    Simulation*               m_sim;
+    const GameConfig*         m_config;
+    std::vector<EntityId>     m_selectedIds;
+    int                       m_currentBlocks;
+    bool                      m_deleteMode;
+    int                       m_activeIndex;
+    std::vector<Blueprint>    m_blueprints;
+    std::vector<QPushButton*> m_blueprintButtons;
+    QPushButton*              m_createBtn;
+    QPushButton*              m_deleteBtn;
+    QWidget*                  m_buttonsContainer;
+    QVBoxLayout*              m_buttonsLayout;
+};