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cuberite-2a
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Use two lists and 2 chunk send prioritys.

This commit is contained in:
Howaner 2014-10-21 17:35:23 +02:00
parent a07456d712
commit b0988e65aa
4 changed files with 40 additions and 66 deletions
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2
src/Chunk.cpp
View File

@ -1742,7 +1742,7 @@ void cChunk::SetAreaBiome(int a_MinRelX, int a_MaxRelX, int a_MinRelZ, int a_Max
// Re-send the chunk to all clients:
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
{
m_World->ForceSendChunkTo(m_PosX, m_PosZ, cChunkSender::E_CHUNK_PRIORITY_MEDIUM, (*itr));
m_World->ForceSendChunkTo(m_PosX, m_PosZ, cChunkSender::E_CHUNK_PRIORITY_HIGH, (*itr));
} // for itr - m_LoadedByClient[]
}

48
src/ChunkSender.cpp
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@ -95,18 +95,23 @@ void cChunkSender::QueueSendChunkTo(int a_ChunkX, int a_ChunkZ, eChunkPriority a
{
ASSERT(a_Client != NULL);
{
sSendChunk Chunk(a_ChunkX, a_ChunkZ, a_Priority, a_Client);
sSendChunk Chunk(a_ChunkX, a_ChunkZ, a_Client);
cCSLock Lock(m_CS);
if (std::find(m_SendChunks.begin(), m_SendChunks.end(), Chunk) != m_SendChunks.end())
if (
std::find(m_SendChunksLowPriority.begin(), m_SendChunksLowPriority.end(), Chunk) != m_SendChunksLowPriority.end() ||
std::find(m_SendChunksHighPriority.begin(), m_SendChunksHighPriority.end(), Chunk) != m_SendChunksHighPriority.end()
)
{
// Already queued, bail out
return;
}
m_SendChunks.push_back(Chunk);
// Sort the list:
m_SendChunks.sort();
if (a_Priority == E_CHUNK_PRIORITY_LOW) {
m_SendChunksLowPriority.push_back(Chunk);
} else if (a_Priority == E_CHUNK_PRIORITY_HIGH) {
m_SendChunksHighPriority.push_back(Chunk);
}
}
m_evtQueue.Set();
}
@ -119,15 +124,23 @@ void cChunkSender::RemoveClient(cClientHandle * a_Client)
{
{
cCSLock Lock(m_CS);
for (sSendChunkList::iterator itr = m_SendChunks.begin(); itr != m_SendChunks.end();)
for (sSendChunkList::iterator itr = m_SendChunksLowPriority.begin(); itr != m_SendChunksLowPriority.end();)
{
if (itr->m_Client == a_Client)
{
itr = m_SendChunks.erase(itr);
itr = m_SendChunksLowPriority.erase(itr);
continue;
}
++itr;
} // for itr - m_SendChunks[]
} // for itr - m_SendChunksLowPriority[]
for (sSendChunkList::iterator itr = m_SendChunksHighPriority.begin(); itr != m_SendChunksHighPriority.end();)
{
if (itr->m_Client == a_Client) {
itr = m_SendChunksHighPriority.erase(itr);
continue;
}
++itr;
} // for itr - m_SendChunksHighPriority[]
m_RemoveCount++;
}
m_evtQueue.Set();
@ -143,7 +156,7 @@ void cChunkSender::Execute(void)
while (!m_ShouldTerminate)
{
cCSLock Lock(m_CS);
while (m_ChunksReady.empty() && m_SendChunks.empty())
while (m_ChunksReady.empty() && m_SendChunksLowPriority.empty() && m_SendChunksHighPriority.empty())
{
int RemoveCount = m_RemoveCount;
m_RemoveCount = 0;
@ -158,8 +171,17 @@ void cChunkSender::Execute(void)
return;
}
} // while (empty)
if (!m_ChunksReady.empty())
if (!m_SendChunksHighPriority.empty())
{
// Take one from the queue:
sSendChunk Chunk(m_SendChunksHighPriority.front());
m_SendChunksHighPriority.pop_front();
Lock.Unlock();
SendChunk(Chunk.m_ChunkX, Chunk.m_ChunkZ, Chunk.m_Client);
}
else if (!m_ChunksReady.empty())
{
// Take one from the queue:
cChunkCoords Coords(m_ChunksReady.front());
@ -171,8 +193,8 @@ void cChunkSender::Execute(void)
else
{
// Take one from the queue:
sSendChunk Chunk(m_SendChunks.front());
m_SendChunks.pop_front();
sSendChunk Chunk(m_SendChunksLowPriority.front());
m_SendChunksLowPriority.pop_front();
Lock.Unlock();
SendChunk(Chunk.m_ChunkX, Chunk.m_ChunkZ, Chunk.m_Client);

15
src/ChunkSender.h
View File

@ -79,8 +79,7 @@ public:
enum eChunkPriority
{
E_CHUNK_PRIORITY_HIGH = 0,
E_CHUNK_PRIORITY_MEDIUM = 1,
E_CHUNK_PRIORITY_LOW = 2,
E_CHUNK_PRIORITY_LOW = 1,
};
bool Start(cWorld * a_World);
@ -103,13 +102,11 @@ protected:
{
int m_ChunkX;
int m_ChunkZ;
eChunkPriority m_Priority;
cClientHandle * m_Client;
sSendChunk(int a_ChunkX, int a_ChunkZ, eChunkPriority a_Priority, cClientHandle * a_Client) :
sSendChunk(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client) :
m_ChunkX(a_ChunkX),
m_ChunkZ(a_ChunkZ),
m_Priority(a_Priority),
m_Client(a_Client)
{
}
@ -122,11 +119,6 @@ protected:
(a_Other.m_Client == m_Client)
);
}
bool operator < (const sSendChunk & a_Other)
{
return (m_Priority < a_Other.m_Priority);
}
} ;
typedef std::list<sSendChunk> sSendChunkList;
@ -150,7 +142,8 @@ protected:
cCriticalSection m_CS;
cChunkCoordsList m_ChunksReady;
sSendChunkList m_SendChunks;
sSendChunkList m_SendChunksLowPriority;
sSendChunkList m_SendChunksHighPriority;
cEvent m_evtQueue; // Set when anything is added to m_ChunksReady
cEvent m_evtRemoved; // Set when removed clients are safe to be deleted
int m_RemoveCount; // Number of threads waiting for a client removal (m_evtRemoved needs to be set this many times)

41
src/ClientHandle.cpp
View File

@ -469,47 +469,6 @@ bool cClientHandle::StreamNextChunk(void)
}
}
// Medium priority: Load the chunks that are behind the player
LookVector = m_Player->GetLookVector() * -1;
for (int Range = 0; Range < 3; Range++)
{
Vector3d Vector = Position + LookVector * cChunkDef::Width * Range;
// Get the chunk from the x/z coords.
int RangeX, RangeZ = 0;
cChunkDef::BlockToChunk(FloorC(Vector.x), FloorC(Vector.z), RangeX, RangeZ);
for (size_t X = 0; X < 7; X++)
{
for (size_t Z = 0; Z < 7; Z++)
{
int ChunkX = RangeX + ((X >= 4) ? (3 - X) : X);
int ChunkZ = RangeZ + ((Z >= 4) ? (3 - Z) : Z);
cChunkCoords Coords(ChunkX, ChunkZ);
// Checks if the chunk is in distance
if ((Diff(ChunkX, ChunkPosX) > m_ViewDistance) || (Diff(ChunkZ, ChunkPosZ) > m_ViewDistance))
{
continue;
}
// If the chunk already loading/loaded -> skip
if (
(std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), Coords) != m_ChunksToSend.end()) ||
(std::find(m_LoadedChunks.begin(), m_LoadedChunks.end(), Coords) != m_LoadedChunks.end())
)
{
continue;
}
// Unloaded chunk found -> Send it to the client.
Lock.Unlock();
StreamChunk(ChunkX, ChunkZ, cChunkSender::E_CHUNK_PRIORITY_MEDIUM);
return false;
}
}
}
// Low priority: Add all chunks that are in range. (From the center out to the edge)
for (int d = 0; d <= m_ViewDistance; ++d) // cycle through (square) distance, from nearest to furthest
{