first commit

Minecraft.Client/Common/UI/IUIScene_TradingMenu.h

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+#pragma once
+#include "..\Minecraft.World\MerchantMenu.h"
+
+class MerchantRecipe;
+
+class IUIScene_TradingMenu
+{
+protected:
+	MerchantMenu *m_menu;
+	shared_ptr<Merchant> m_merchant;
+	vector< pair<MerchantRecipe *,int> > m_activeOffers;
+
+	int m_validOffersCount;
+	int m_selectedSlot;
+	int m_offersStartIndex;
+	bool m_bHasUpdatedOnce;
+
+	eTutorial_State m_previousTutorialState;
+
+	static const int DISPLAY_TRADES_COUNT = 7;
+
+	static const int BUY_A = MerchantMenu::USE_ROW_SLOT_END;
+	static const int BUY_B = BUY_A + 1;
+	static const int TRADES_START = BUY_B + 1;
+
+protected:
+	IUIScene_TradingMenu();
+
+	bool handleKeyDown(int iPad, int iAction, bool bRepeat);
+	void handleTick();
+
+	virtual void showScrollRightArrow(bool show) = 0;
+	virtual void showScrollLeftArrow(bool show) = 0;
+	virtual void moveSelector(bool right) = 0;
+	virtual void setRequest1Name(const wstring &name) = 0;
+	virtual void setRequest2Name(const wstring &name) = 0;
+	virtual void setTitle(const wstring &name) = 0;
+
+	virtual void setRequest1RedBox(bool show) = 0;
+	virtual void setRequest2RedBox(bool show) = 0;
+	virtual void setTradeRedBox(int index, bool show) = 0;
+	
+	virtual void setOfferDescription(const wstring &name, vector<wstring> &unformattedStrings) = 0;
+
+	virtual void setRequest1Item(shared_ptr<ItemInstance> item);
+	virtual void setRequest2Item(shared_ptr<ItemInstance> item);
+	virtual void setTradeItem(int index, shared_ptr<ItemInstance> item);
+
+private:
+	void updateDisplay();
+	bool canMake(MerchantRecipe *recipe);
+	wstring GetItemDescription(shared_ptr<ItemInstance> item, vector<wstring> &unformattedStrings);
+
+public:
+	shared_ptr<Merchant> getMerchant();
+
+	virtual int getPad() = 0;
+};