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// ChunkSender.cpp
// Interfaces to the cChunkSender class representing the thread that waits for chunks becoming ready (loaded / generated) and sends them to clients
#include "Globals.h"
#include "ChunkSender.h"
#include "cWorld.h"
#include "packets/cPacket_MapChunk.h"
#include "packets/cPacket_PreChunk.h"
#include "cBlockEntity.h"
cChunkSender::cChunkSender(void) :
super("ChunkSender"),
m_World(NULL)
{
}
cChunkSender::~cChunkSender()
{
mShouldTerminate = true;
m_Event.Set();
}
bool cChunkSender::Start(cWorld * a_World)
{
m_World = a_World;
return super::Start();
}
void cChunkSender::ChunkReady(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
{
// 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
{
cCSLock Lock(m_CS);
m_ChunksReady.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
}
m_Event.Set();
}
void cChunkSender::Execute(void)
{
while (!mShouldTerminate)
{
cCSLock Lock(m_CS);
while (m_ChunksReady.empty())
{
cCSUnlock Unlock(Lock);
m_Event.Wait();
if (mShouldTerminate)
{
return;
}
} // while (empty)
// Take one from the queue:
cChunkCoords Coords(m_ChunksReady.front());
m_ChunksReady.pop_front();
Lock.Unlock();
ASSERT(m_World != NULL);
// Send it to anyone waiting:
m_World->GetChunkData(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, this);
cPacket_PreChunk PreChunk(Coords.m_ChunkX, Coords.m_ChunkZ, true);
cPacket_MapChunk MapChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, m_BlockData);
m_World->BroadcastToChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, PreChunk);
m_World->BroadcastToChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, MapChunk);
// Send entity creation packets:
for (PacketList::iterator itr = m_Packets.begin(); itr != m_Packets.end(); ++itr)
{
m_World->BroadcastToChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, **itr);
delete *itr;
} // for itr - m_Packets
m_Packets.clear();
} // while (!mShouldTerminate)
}
void cChunkSender::BlockData(const char * a_Data)
{
memcpy(m_BlockData, a_Data, cChunk::c_BlockDataSize);
}
void cChunkSender::BlockEntity(cBlockEntity * a_Entity)
{
m_Packets.push_back(a_Entity->GetPacket());
}
void cChunkSender::Entity(cEntity * a_Entity)
{
// 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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