git-svn-id: http://mc-server.googlecode.com/svn/trunk@365 0a769ca7-a7f5-676a-18bf-c427514a06d6
		
			
				
	
	
		
			134 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
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// ChunkSender.cpp
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// Interfaces to the cChunkSender class representing the thread that waits for chunks becoming ready (loaded / generated) and sends them to clients
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#include "Globals.h"
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#include "ChunkSender.h"
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#include "cWorld.h"
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#include "packets/cPacket_MapChunk.h"
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#include "packets/cPacket_PreChunk.h"
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#include "cBlockEntity.h"
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cChunkSender::cChunkSender(void) :
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	super("ChunkSender"),
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	m_World(NULL)
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{
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}
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cChunkSender::~cChunkSender()
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{
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	mShouldTerminate = true;
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	m_Event.Set();
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}
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bool cChunkSender::Start(cWorld * a_World)
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{
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	m_World = a_World;
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	return super::Start();
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}
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void cChunkSender::ChunkReady(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
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{
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	// This is probably never gonna be called twice for the same chunk, and if it is, we don't mind, so we don't check
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	{
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		cCSLock Lock(m_CS);
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		m_ChunksReady.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
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	}
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	m_Event.Set();
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}
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void cChunkSender::Execute(void)
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{
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	while (!mShouldTerminate)
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	{
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		cCSLock Lock(m_CS);
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		while (m_ChunksReady.empty())
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		{
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			cCSUnlock Unlock(Lock);
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			m_Event.Wait();
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			if (mShouldTerminate)
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			{
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				return;
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			}
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		}  // while (empty)
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		// Take one from the queue:
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		cChunkCoords Coords(m_ChunksReady.front());
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		m_ChunksReady.pop_front();
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		Lock.Unlock();
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		ASSERT(m_World != NULL);
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		// Send it to anyone waiting:
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		m_World->GetChunkData(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, this);
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		cPacket_PreChunk PreChunk(Coords.m_ChunkX, Coords.m_ChunkZ, true);
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		cPacket_MapChunk MapChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, m_BlockData);
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		m_World->BroadcastToChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, PreChunk);
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		m_World->BroadcastToChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, MapChunk);
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		// Send entity creation packets:
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		for (PacketList::iterator itr = m_Packets.begin(); itr != m_Packets.end(); ++itr)
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		{
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			m_World->BroadcastToChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, **itr);
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			delete *itr;
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		}  // for itr - m_Packets
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		m_Packets.clear();
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	}  // while (!mShouldTerminate)
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}
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void cChunkSender::BlockData(const char * a_Data)
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{
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	memcpy(m_BlockData, a_Data, cChunk::c_BlockDataSize);
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}
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void cChunkSender::BlockEntity(cBlockEntity * a_Entity)
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{
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	m_Packets.push_back(a_Entity->GetPacket());
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}
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void cChunkSender::Entity(cEntity * a_Entity)
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{
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	// Nothing needed yet, perhaps in the future when we save entities into chunks we'd like to send them upon load, too ;)
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}
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