From 5481249d0f6025251e811f2e35daa79ee7c258aa Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@hotmail.co.uk>
Date: Sun, 27 Aug 2017 22:37:39 +0100
Subject: Implement basic form of trading

* Fixes #3450
* Addresses #1109
---
 src/UI/VillagerTradeWindow.h | 74 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 src/UI/VillagerTradeWindow.h

(limited to 'src/UI/VillagerTradeWindow.h')

diff --git a/src/UI/VillagerTradeWindow.h b/src/UI/VillagerTradeWindow.h
new file mode 100644
index 000000000..ec5ea26e7
--- /dev/null
+++ b/src/UI/VillagerTradeWindow.h
@@ -0,0 +1,74 @@
+
+#pragma once
+
+#include "Window.h"
+#include "SlotArea.h"
+#include "../Mobs/Villager.h"
+
+
+
+
+
+class cVillagerTradeWindow :
+	public cWindow
+{
+	typedef cWindow super;
+
+public:
+	cVillagerTradeWindow(cVillager & Villager) :
+		cWindow(wtVillagerTrade, Printf("Villager № %i", Villager.GetUniqueID())),
+		m_Villager(Villager)
+	{
+		m_SlotAreas.push_back(new cSlotAreaVillagerTrade(m_Villager, *this));
+		m_SlotAreas.push_back(new cSlotAreaInventory(*this));
+		m_SlotAreas.push_back(new cSlotAreaHotBar(*this));
+	}
+
+	virtual void DistributeStack(cItem & a_ItemStack, int a_Slot, cPlayer & a_Player, cSlotArea * a_ClickedArea, bool a_ShouldApply) override
+	{
+		cSlotAreas AreasInOrder;
+
+		if (a_ClickedArea == m_SlotAreas[0])
+		{
+			// Trading Area
+			AreasInOrder.push_back(m_SlotAreas[1]);  /* Inventory */
+			AreasInOrder.push_back(m_SlotAreas[2]);  /* Hotbar */
+			super::DistributeStackToAreas(a_ItemStack, a_Player, AreasInOrder, a_ShouldApply, true);
+		}
+		else if (a_ClickedArea == m_SlotAreas[1])
+		{
+			// Inventory
+			AreasInOrder.push_back(m_SlotAreas[2]);  /* Hotbar */
+			super::DistributeStackToAreas(a_ItemStack, a_Player, AreasInOrder, a_ShouldApply, true);
+		}
+		else
+		{
+			// Hotbar
+			AreasInOrder.push_back(m_SlotAreas[1]);  /* Inventory */
+			super::DistributeStackToAreas(a_ItemStack, a_Player, AreasInOrder, a_ShouldApply, true);
+		}
+	}
+
+	virtual void OpenedByPlayer(cPlayer & Player) override
+	{
+		super::OpenedByPlayer(Player);
+		m_TradeIndexOpenedByPlayer[&Player] = 0;
+		m_Villager.HandleTradeInProgress();
+	}
+
+	void PlayerChangedTradeOffer(const cPlayer & Player, unsigned NewIndex)
+	{
+		m_TradeIndexOpenedByPlayer[&Player] = NewIndex;
+		static_cast<cSlotAreaVillagerTrade *>(m_SlotAreas[0])->UpdateTrade(Player);
+		m_Villager.HandleTradeInProgress();
+	}
+
+	unsigned GetPlayerTradeOfferIndex(const cPlayer & Player)
+	{
+		return m_TradeIndexOpenedByPlayer[&Player];
+	}
+
+private:
+	cVillager & m_Villager;
+	std::unordered_map<const cPlayer *, unsigned> m_TradeIndexOpenedByPlayer;
+};
-- 
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