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// ChunkSender.h
// Interfaces to the cChunkSender class representing the thread that waits for chunks becoming ready (loaded / generated) and sends them to clients
#pragma once
#include "cIsThread.h"
#include "cChunk.h"
#include "packets/cPacket.h"
class cWorld;
class cClientHandle;
class cChunkSender:
public cIsThread,
public cChunkDataCallback
{
typedef cIsThread super;
public:
cChunkSender(void);
~cChunkSender();
bool Start(cWorld * a_World);
/// Notifies that a chunk has become ready and it should be sent to all its clients
void ChunkReady(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
/// Queues a chunk to be sent to a specific client
void QueueSendChunkTo(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cClientHandle * a_Client);
/// Removes the a_Client from all waiting chunk send operations
void RemoveClient(cClientHandle * a_Client);
protected:
/// Used for sending chunks to specific clients
struct sSendChunk
{
int m_ChunkX;
int m_ChunkY;
int m_ChunkZ;
cClientHandle * m_Client;
sSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cClientHandle * a_Client) :
m_ChunkX(a_ChunkX),
m_ChunkY(a_ChunkY),
m_ChunkZ(a_ChunkZ),
m_Client(a_Client)
{
}
};
typedef std::list<sSendChunk> sSendChunkList;
cWorld * m_World;
cCriticalSection m_CS;
cChunkCoordsList m_ChunksReady;
sSendChunkList m_SendChunks;
cEvent m_Event; // Set when anything is added to m_ChunksReady
// Data about the chunk that is being sent:
char m_BlockData[cChunk::c_BlockDataSize];
PacketList m_Packets; // Accumulator for the entity-packets to send
// cIsThread override:
virtual void Execute(void) override;
// cChunkDataCallback overrides:
virtual void BlockData(const char * a_Data) override;
virtual void Entity(cEntity * a_Entity) override;
virtual void BlockEntity(cBlockEntity * a_Entity) override;
/// Sends the specified chunk to a_Client, or to all chunk clients if a_Client == NULL
void SendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cClientHandle * a_Client);
} ;
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