From 3e741134279e02d204a8d4638f2d46dfbf814d0c Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@hotmail.co.uk>
Date: Fri, 12 Sep 2014 23:18:02 +0100
Subject: Implemented Chest Minecarts

---
 src/Entities/Minecart.cpp | 41 +++++++++++++++++++++++++++++++++--------
 src/Entities/Minecart.h   | 40 ++++++++++++++++++++++++++++++----------
 2 files changed, 63 insertions(+), 18 deletions(-)

(limited to 'src/Entities')

diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index 1501eea84..a3927298e 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -1103,29 +1103,54 @@ void cRideableMinecart::OnRightClicked(cPlayer & a_Player)
 // cMinecartWithChest:
 
 cMinecartWithChest::cMinecartWithChest(double a_X, double a_Y, double a_Z) :
-	super(mpChest, a_X, a_Y, a_Z)
+	super(mpChest, a_X, a_Y, a_Z),
+	m_Contents(ContentsWidth, ContentsHeight)
 {
+	m_Contents.AddListener(*this);
 }
 
 
 
 
 
-void cMinecartWithChest::SetSlot(size_t a_Idx, const cItem & a_Item)
+void cMinecartWithChest::OnRightClicked(cPlayer & a_Player)
 {
-	ASSERT(a_Idx < ARRAYCOUNT(m_Items));
-	
-	m_Items[a_Idx] = a_Item;
+	// If the window is not created, open it anew:
+	cWindow * Window = GetWindow();
+	if (Window == NULL)
+	{
+		OpenNewWindow();
+		Window = GetWindow();
+	}
+
+	// Open the window for the player:
+	if (Window != NULL)
+	{
+		if (a_Player.GetWindow() != Window)
+		{
+			a_Player.OpenWindow(Window);
+		}
+	}
 }
 
 
 
 
 
-void cMinecartWithChest::OnRightClicked(cPlayer & a_Player)
+void cMinecartWithChest::OpenNewWindow()
+{
+	OpenWindow(new cMinecartWithChestWindow(this));
+}
+
+
+
+
+
+void cMinecartWithChest::Destroyed()
 {
-	// Show the chest UI window to the player
-	// TODO
+	cItems Pickups;
+	m_Contents.CopyToItems(Pickups);
+	GetWorld()->SpawnItemPickups(Pickups, GetPosX(), GetPosY() + 1, GetPosZ(), 4);
 }
 
 
diff --git a/src/Entities/Minecart.h b/src/Entities/Minecart.h
index 410d3c77d..f77a171ba 100644
--- a/src/Entities/Minecart.h
+++ b/src/Entities/Minecart.h
@@ -10,6 +10,7 @@
 #pragma once
 
 #include "Entity.h"
+#include "../UI/WindowOwner.h"
 
 
 
@@ -108,27 +109,46 @@ protected:
 
 
 class cMinecartWithChest :
-	public cMinecart
+	public cMinecart,
+	public cItemGrid::cListener,
+	public cWindowOwner
 {
 	typedef cMinecart super;
 	
 public:
 	CLASS_PROTODEF(cMinecartWithChest)
 	
-	/// Number of item slots in the chest
-	static const int NumSlots = 9 * 3;
-	
 	cMinecartWithChest(double a_X, double a_Y, double a_Z);
+
+	enum
+	{
+		ContentsHeight = 3,
+		ContentsWidth = 9,
+	};
 	
-	const cItem & GetSlot(int a_Idx) const { return m_Items[a_Idx]; }
-	cItem &       GetSlot(int a_Idx)       { return m_Items[a_Idx]; }
-	
-	void SetSlot(size_t a_Idx, const cItem & a_Item);
+	const cItem & GetSlot(int a_Idx) const { return m_Contents.GetSlot(a_Idx); }	
+	void SetSlot(size_t a_Idx, const cItem & a_Item) { m_Contents.SetSlot(a_Idx, a_Item); }
 
 protected:
+	cItemGrid m_Contents;
+	void OpenNewWindow(void);
+	virtual void Destroyed() override;
 
-	/// The chest contents:
-	cItem m_Items[NumSlots];
+	// cItemGrid::cListener overrides:
+	virtual void OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum)
+	{
+		UNUSED(a_SlotNum);
+		ASSERT(a_Grid == &m_Contents);
+		if (m_World != NULL)
+		{
+			if (GetWindow() != NULL)
+			{
+				GetWindow()->BroadcastWholeWindow();
+			}
+
+			m_World->MarkChunkDirty(GetChunkX(), GetChunkZ());
+		}
+	}
 	
 	// cEntity overrides:
 	virtual void OnRightClicked(cPlayer & a_Player) override;
-- 
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