cuberite-2a/source/cFurnaceEntity.cpp

#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules

#include "cFurnaceEntity.h"
#include "BlockID.h"
#include "cItem.h"
#include "cFurnaceWindow.h"
#include "cPlayer.h"
#include "cWorld.h"
#include "cClientHandle.h"
#include "cFurnaceRecipe.h"
#include "cServer.h"
#include "cPickup.h"
#include "cRoot.h"

#include "packets/cPacket_InventoryProgressBar.h"

#include <json/json.h>





cFurnaceEntity::cFurnaceEntity(int a_X, int a_Y, int a_Z, cWorld * a_World)
	: cBlockEntity( E_BLOCK_FURNACE, a_X, a_Y, a_Z, a_World ) 
	, m_Items( new cItem[3] )
	, m_CookingItem( 0 )
	, m_CookTime( 0 )
	, m_TimeCooked( 0 )
	, m_BurnTime( 0 )
	, m_TimeBurned( 0 )
{
}





cFurnaceEntity::~cFurnaceEntity()
{
	// Tell window its owner is destroyed
	if( GetWindow() )
	{
		GetWindow()->OwnerDestroyed();
	}

	// Clean up items
	if( m_Items )
	{
		delete [] m_Items;
	}
}





void cFurnaceEntity::Destroy()
{
	// Drop items
	for( int i = 0; i < 3; i++)
	{
		if( !m_Items[i].IsEmpty() )
		{
			cPickup* Pickup = new cPickup( m_PosX * 32 + 16, m_PosY * 32 + 16, m_PosZ * 32 + 16, m_Items[i], 0, 1.f, 0 );
			Pickup->Initialize(m_World);
			m_Items[i].Empty();
		}
	}
}





void cFurnaceEntity::UsedBy( cPlayer * a_Player )
{
	LOG("Used a furnace");

	if( !GetWindow() )
	{
		cWindow* Window = new cFurnaceWindow( this );
		Window->SetSlots( m_Items, 3 );
		Window->SetWindowTitle("UberFurnace");
		Window->GetOwner()->SetEntity(this);
		OpenWindow( Window );
	}
	if( GetWindow() )
	{
		if( a_Player->GetWindow() != GetWindow() )
		{
			a_Player->OpenWindow( GetWindow() );

			GetWindow()->SendWholeWindow( a_Player->GetClientHandle() );
		}
	}
}





bool cFurnaceEntity::Tick( float a_Dt )
{
	//LOG("Time left: %0.1f Time burned: %0.1f Burn time: %0.1f", m_CookTime - m_TimeCooked, m_TimeBurned, m_BurnTime );
	if( m_CookingItem && ( (m_TimeBurned < m_BurnTime) || (m_TimeCooked + a_Dt >= m_CookTime) ) )
	{
		if( m_CookingItem->Equals( m_Items[2] ) || m_Items[2].IsEmpty() )
		{
			m_TimeCooked += a_Dt;
			if( m_TimeCooked >= m_CookTime )
			{
				m_Items[0].m_ItemCount--;
				if( m_Items[0].IsEmpty() ) m_Items[0].Empty();

				m_Items[2].m_ItemHealth = m_CookingItem->m_ItemHealth;
				m_Items[2].m_ItemID = m_CookingItem->m_ItemID;
				m_Items[2].m_ItemCount += m_CookingItem->m_ItemCount;
				delete m_CookingItem;
				m_CookingItem = 0;

				cWindow* Window = GetWindow();
				if( Window )
				{
					Window->BroadcastWholeWindow();
				}

				m_TimeCooked = 0.f;
				StartCooking();
			}
			cWindow* Window = GetWindow();
			if( Window )
			{
				cPacket_InventoryProgressBar Progress;
				Progress.m_ProgressBar = 0;
				Progress.m_WindowID = (char)Window->GetWindowID();
				Progress.m_Value = (short)( m_TimeCooked * (180.f/m_CookTime) );
				if( Progress.m_Value > 180 ) Progress.m_Value = 180;
				if( Progress.m_Value < 0 ) Progress.m_Value = 0;
				Window->Broadcast(Progress);
			}
		}
	}

	m_TimeBurned += a_Dt;

	cWindow* Window = GetWindow();
	if( m_TimeBurned >= m_BurnTime )
	{
		m_TimeBurned -= m_BurnTime;
		m_BurnTime = 0;
		if( StartCooking() && Window )
		{
			Window->BroadcastWholeWindow();
		}
	}
	if( Window )
	{
		cPacket_InventoryProgressBar Progress;
		Progress.m_WindowID = (char)Window->GetWindowID();
		Progress.m_ProgressBar = 1;

		if ( m_BurnTime > 0.f )
		{
			Progress.m_Value = (short)( m_TimeBurned * (150.f / m_BurnTime) );
			if ( Progress.m_Value > 150 ) Progress.m_Value = 150;
			if ( Progress.m_Value < 0 ) Progress.m_Value = 0;
		}
		else
		{
			Progress.m_Value = 0;
		}
		Window->Broadcast( Progress );
	}
	return ((m_CookingItem != 0) || (m_TimeBurned < m_BurnTime)) && m_BurnTime > 0.f; // Keep on ticking, if there's more to cook, or if it's cooking
}





bool cFurnaceEntity::StartCooking()
{
	cFurnaceRecipe* FR = cRoot::Get()->GetFurnaceRecipe();
	float BurnTime = FR->GetBurnTime( m_Items[1] );
	if( (m_TimeBurned < m_BurnTime) || BurnTime > 0.f ) // burnable material
	{
		const cFurnaceRecipe::Recipe* R = FR->GetRecipeFrom( m_Items[0] );
		if( R ) // cook able ingredient
		{
			if( m_Items[2].Equals( *R->Out ) || m_Items[2].IsEmpty() )
			{
				// good to go

				if( m_TimeBurned >= m_BurnTime ) // burn new material
				{
					m_Items[1].m_ItemCount--;
					if( m_Items[1].m_ItemCount <= 0 ) m_Items[1].Empty();
					m_TimeBurned = 0;
					m_BurnTime = BurnTime;
				}

				if( !m_CookingItem ) // Only cook new item if not already cooking
				{
					m_CookingItem = new cItem( *R->Out ); // Resulting item
					m_TimeCooked = 0.f;
					m_CookTime = R->CookTime;
				}
				return true;
			}
		}
	}
	return false;
}





void cFurnaceEntity::ResetCookTimer()
{
	delete m_CookingItem;
	m_CookingItem = NULL;
	m_TimeCooked = 0.f;
	m_CookTime = 0.f;
}





#define READ(File, Var) \
	if (File.Read(&Var, sizeof(Var)) != sizeof(Var)) \
	{ \
		LOGERROR("ERROR READING cFurnaceEntity %s FROM FILE (line %d)", #Var, __LINE__); \
		return false; \
	}

bool cFurnaceEntity::LoadFromFile(cFile & f)
{
	READ(f, m_PosX);
	READ(f, m_PosY);
	READ(f, m_PosZ);

	unsigned int NumSlots = 0;
	READ(f, NumSlots);
	m_Items = new cItem[ NumSlots ];
	for(unsigned int i = 0; i < NumSlots; i++)
	{
		cItem & Item = m_Items[i];
		READ(f, Item.m_ItemID);
		READ(f, Item.m_ItemCount);
		READ(f, Item.m_ItemHealth);
	}
	cItem CookingItem;
	READ(f, CookingItem.m_ItemID);
	READ(f, CookingItem.m_ItemCount);
	READ(f, CookingItem.m_ItemHealth);
	if (!CookingItem.IsEmpty())
	{
		m_CookingItem = new cItem(CookingItem);
	}

	READ(f, m_CookTime);
	READ(f, m_TimeCooked);
	READ(f, m_BurnTime);
	READ(f, m_TimeBurned);

	return true;
}





bool cFurnaceEntity::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 )
	{
		m_Items[ SlotIdx ].FromJson( *itr );
		SlotIdx++;
	}

	// Get currently cooking item
	Json::Value JsonItem = a_Value.get("Cooking", Json::nullValue );
	if( !JsonItem.empty() )
	{
		cItem Item;
		Item.FromJson( JsonItem );
		if( !Item.IsEmpty() )
		{
			m_CookingItem = new cItem( Item );
		}
	}

	m_CookTime   = (float)a_Value.get("CookTime",   0).asDouble();
	m_TimeCooked = (float)a_Value.get("TimeCooked", 0).asDouble();
	m_BurnTime   = (float)a_Value.get("BurnTime",   0).asDouble();
	m_TimeBurned = (float)a_Value.get("TimeBurned", 0).asDouble();

	return true;
}





void cFurnaceEntity::SaveToJson( Json::Value& a_Value )
{
	a_Value["x"] = m_PosX;
	a_Value["y"] = m_PosY;
	a_Value["z"] = m_PosZ;

	Json::Value AllSlots;
	for(unsigned int i = 0; i < 3; i++)
	{
		Json::Value Slot;
		 m_Items[ i ].GetJson( Slot );
		AllSlots.append( Slot );
	}
	a_Value["Slots"] = AllSlots;

	// Currently cooking item
	if( m_CookingItem )
	{
		Json::Value JsonItem;
		m_CookingItem->GetJson( JsonItem );
		a_Value["Cooking"] = JsonItem;
	}

	a_Value["CookTime"] = m_CookTime;
	a_Value["TimeCooked"] = m_TimeCooked;
	a_Value["BurnTime"] = m_BurnTime;
	a_Value["TimeBurned"] = m_TimeBurned;
}