1 files changed, 225 insertions, 0 deletions

diff --git a/source/ChestEntity.cpp b/source/ChestEntity.cpp
new file mode 100644
index 000000000..262217da8
--- /dev/null
+++ b/source/ChestEntity.cpp
@@ -0,0 +1,225 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "ChestEntity.h"
+#include "Item.h"
+#include "ClientHandle.h"
+#include "Player.h"
+#include "UI/Window.h"
+#include "World.h"
+#include "Root.h"
+#include "Pickup.h"
+#include <json/json.h>
+
+
+
+
+
+class cWorld;
+class cRoot;
+
+
+
+
+
+cChestEntity::cChestEntity(int a_X, int a_Y, int a_Z, cWorld * a_World)
+	: cBlockEntity( E_BLOCK_CHEST, a_X, a_Y, a_Z, a_World)
+	, m_TopChest( false )
+	, m_JoinedChest( NULL )
+{
+	m_Content = new cItem[ c_ChestHeight * c_ChestWidth ];
+	SetBlockEntity(this);  // cBlockEntityWindowOwner
+}
+
+
+
+
+
+cChestEntity::~cChestEntity()
+{
+	if( GetWindow() )
+	{
+		GetWindow()->OwnerDestroyed();
+	}
+
+	if( m_Content )
+	{
+		delete [] m_Content;
+	}
+}
+
+
+
+
+
+void cChestEntity::Destroy()
+{
+	// Drop items
+	cItems Pickups;
+	for( int i = 0; i < c_ChestHeight * c_ChestWidth; ++i )
+	{
+		if( !m_Content[i].IsEmpty() )
+		{
+			Pickups.push_back(m_Content[i]);
+			m_Content[i].Empty();
+		}
+	}
+	m_World->SpawnItemPickups(Pickups, m_PosX, m_PosY, m_PosZ);
+	if (m_JoinedChest)
+	{
+		m_JoinedChest->RemoveJoinedChest(this);
+	}
+}
+
+
+
+
+
+const cItem * cChestEntity::GetSlot( int a_Slot ) const
+{
+	if( a_Slot > -1 && a_Slot < c_ChestHeight*c_ChestWidth )
+	{
+		return &m_Content[ a_Slot ];
+	}
+	return 0;
+}
+
+
+
+
+
+void cChestEntity::SetSlot(int a_Slot, const cItem & a_Item)
+{
+	if ((a_Slot > -1) && (a_Slot < c_ChestHeight * c_ChestWidth))
+	{
+		m_Content[a_Slot] = a_Item;
+	}
+}
+
+
+
+
+
+#define READ(File, Var) \
+	if (File.Read(&Var, sizeof(Var)) != sizeof(Var)) \
+	{ \
+		LOGERROR("ERROR READING cChestEntity %s FROM FILE (line %d)", #Var, __LINE__); \
+		return false; \
+	}
+
+
+
+
+
+
+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;
+
+	unsigned int NumSlots = c_ChestHeight*c_ChestWidth;
+	Json::Value AllSlots;
+	for(unsigned int i = 0; i < NumSlots; i++)
+	{
+		Json::Value Slot;
+		const cItem * Item = GetSlot( i );
+		if( Item ) Item->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 (GetWindow() == NULL)
+	{
+		OpenWindow(new cChestWindow(m_PosX, m_PosY, m_PosZ, this));
+	}
+	if (GetWindow())
+	{
+		if( a_Player->GetWindow() != GetWindow() )
+		{
+			a_Player->OpenWindow( GetWindow() );
+			GetWindow()->SendWholeWindow(*a_Player->GetClientHandle());
+		}
+	}
+
+	// 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, ChunkY = 0, ChunkZ;
+	cChunkDef::BlockToChunk(m_PosX, m_PosY, m_PosZ, ChunkX, ChunkZ);
+	m_World->MarkChunkDirty(ChunkX, ChunkY, ChunkZ);
+}
+
+
+
+
+
+cItem * cChestEntity::GetContents(bool a_OnlyThis)
+{
+	if (m_JoinedChest && !a_OnlyThis)
+	{
+		// TODO: "Combined" memory leaks here
+		cItem * Combined = new cItem[GetChestHeight() * c_ChestWidth];
+		cItem * first =  (m_TopChest)  ? GetContents(true) : m_JoinedChest->GetContents(true);
+		cItem * second = (!m_TopChest) ? GetContents(true) : m_JoinedChest->GetContents(true);
+		for (int i = 0; i < GetChestHeight() * c_ChestWidth; i++)
+		{
+			int index = i % (c_ChestHeight * c_ChestWidth);
+			if (i < c_ChestHeight * c_ChestWidth)
+				Combined[index] = first[index];
+			else
+				Combined[index] = second[index];
+		}
+		return Combined;
+	}
+	else
+	{
+		return m_Content;
+	}
+}
+
+
+
+