1 files changed, 172 insertions, 0 deletions

diff --git a/src/BlockEntities/ChestEntity.cpp b/src/BlockEntities/ChestEntity.cpp
new file mode 100644
index 000000000..ca2626bc9
--- /dev/null
+++ b/src/BlockEntities/ChestEntity.cpp
@@ -0,0 +1,172 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "ChestEntity.h"
+#include "../Item.h"
+#include "../Entities/Player.h"
+#include "../UI/Window.h"
+#include <json/json.h>
+
+
+
+
+
+cChestEntity::cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
+	super(E_BLOCK_CHEST, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World)
+{
+	cBlockEntityWindowOwner::SetBlockEntity(this);
+}
+
+
+
+
+
+cChestEntity::~cChestEntity()
+{
+	cWindow * Window = GetWindow();
+	if (Window != NULL)
+	{
+		Window->OwnerDestroyed();
+	}
+}
+
+
+
+
+
+bool cChestEntity::LoadFromJson(const Json::Value & a_Value)
+{
+	m_PosX = a_Value.get("x", 0).asInt();
+	m_PosY = a_Value.get("y", 0).asInt();
+	m_PosZ = a_Value.get("z", 0).asInt();
+
+	Json::Value AllSlots = a_Value.get("Slots", 0);
+	int SlotIdx = 0;
+	for (Json::Value::iterator itr = AllSlots.begin(); itr != AllSlots.end(); ++itr)
+	{
+		cItem Item;
+		Item.FromJson(*itr);
+		SetSlot(SlotIdx, Item);
+		SlotIdx++;
+	}
+	return true;
+}
+
+
+
+
+
+void cChestEntity::SaveToJson(Json::Value & a_Value)
+{
+	a_Value["x"] = m_PosX;
+	a_Value["y"] = m_PosY;
+	a_Value["z"] = m_PosZ;
+
+	Json::Value AllSlots;
+	for (int i = m_Contents.GetNumSlots() - 1; i >= 0; i--)
+	{
+		Json::Value Slot;
+		m_Contents.GetSlot(i).GetJson(Slot);
+		AllSlots.append(Slot);
+	}
+	a_Value["Slots"] = AllSlots;
+}
+
+
+
+
+
+void cChestEntity::SendTo(cClientHandle & a_Client)
+{
+	// The chest entity doesn't need anything sent to the client when it's created / gets in the viewdistance
+	// All the actual handling is in the cWindow UI code that gets called when the chest is rclked
+	
+	UNUSED(a_Client);
+}
+
+
+
+
+
+void cChestEntity::UsedBy(cPlayer * a_Player)
+{
+	// 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);
+		}
+	}
+
+	// This is rather a hack
+	// Instead of marking the chunk as dirty upon chest contents change, we mark it dirty now
+	// We cannot properly detect contents change, but such a change doesn't happen without a player opening the chest first.
+	// The few false positives aren't much to worry about
+	int ChunkX, ChunkZ;
+	cChunkDef::BlockToChunk(m_PosX, m_PosZ, ChunkX, ChunkZ);
+	m_World->MarkChunkDirty(ChunkX, ChunkZ);
+}
+
+
+
+
+
+void cChestEntity::OpenNewWindow(void)
+{
+	// Callback for opening together with neighbor chest:
+	class cOpenDouble :
+		public cChestCallback
+	{
+		cChestEntity * m_ThisChest;
+	public:
+		cOpenDouble(cChestEntity * a_ThisChest) :
+			m_ThisChest(a_ThisChest)
+		{
+		}
+		
+		virtual bool Item(cChestEntity * a_Chest) override
+		{
+			// The primary chest should eb the one with lesser X or Z coord:
+			cChestEntity * Primary = a_Chest;
+			cChestEntity * Secondary = m_ThisChest;
+			if (
+				(Primary->GetPosX() > Secondary->GetPosX()) ||
+				(Primary->GetPosZ() > Secondary->GetPosZ())
+			)
+			{
+				std::swap(Primary, Secondary);
+			}
+			m_ThisChest->OpenWindow(new cChestWindow(Primary, Secondary));
+			return false;
+		}
+	} ;
+	
+	// Scan neighbors for adjacent chests:
+	cOpenDouble OpenDbl(this);
+	if (
+		m_World->DoWithChestAt(m_PosX - 1, m_PosY, m_PosZ,     OpenDbl) ||
+		m_World->DoWithChestAt(m_PosX + 1, m_PosY, m_PosZ,     OpenDbl) ||
+		m_World->DoWithChestAt(m_PosX    , m_PosY, m_PosZ - 1, OpenDbl) ||
+		m_World->DoWithChestAt(m_PosX    , m_PosY, m_PosZ + 1, OpenDbl)
+	)
+	{
+		// The double-chest window has been opened in the callback
+		return;
+	}
+
+	// There is no chest neighbor, open a single-chest window:	
+	OpenWindow(new cChestWindow(this));
+}
+
+
+
+