Merge pull request #2463 from cuberite/fixes
Prepared ScheduleTask for threading refactor
This commit is contained in:
Tiger Wang
commit
422bcef8ca
@ -374,7 +374,6 @@ static int tolua_cWorld_PrepareChunk(lua_State * tolua_S)
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class cLuaWorldTask :
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public cWorld::cTask,
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public cPluginLua::cResettable
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{
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public:
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@ -384,11 +383,7 @@ public:
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{
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}
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protected:
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int m_FnRef;
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// cWorld::cTask overrides:
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virtual void Run(cWorld & a_World) override
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void Run(cWorld & a_World)
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{
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cCSLock Lock(m_CSPlugin);
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if (m_Plugin != nullptr)
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@ -396,6 +391,9 @@ protected:
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m_Plugin->Call(m_FnRef, &a_World);
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}
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}
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protected:
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int m_FnRef;
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};
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@ -433,9 +431,9 @@ static int tolua_cWorld_QueueTask(lua_State * tolua_S)
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return cManualBindings::lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #1");
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}
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auto task = std::make_shared<cLuaWorldTask>(*Plugin, FnRef);
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Plugin->AddResettable(task);
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self->QueueTask(task);
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auto ResettableTask = std::make_shared<cLuaWorldTask>(*Plugin, FnRef);
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Plugin->AddResettable(ResettableTask);
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self->QueueTask(std::bind(&cLuaWorldTask::Run, ResettableTask, std::placeholders::_1));
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return 0;
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}
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@ -483,35 +481,6 @@ static int tolua_cWorld_SetSignLines(lua_State * tolua_S)
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class cLuaScheduledWorldTask :
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public cWorld::cTask,
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public cPluginLua::cResettable
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{
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public:
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cLuaScheduledWorldTask(cPluginLua & a_Plugin, int a_FnRef) :
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cPluginLua::cResettable(a_Plugin),
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m_FnRef(a_FnRef)
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{
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}
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protected:
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int m_FnRef;
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// cWorld::cTask overrides:
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virtual void Run(cWorld & a_World) override
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{
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cCSLock Lock(m_CSPlugin);
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if (m_Plugin != nullptr)
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{
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m_Plugin->Call(m_FnRef, &a_World);
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}
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}
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};
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static int tolua_cWorld_ScheduleTask(lua_State * tolua_S)
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{
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// Binding for cWorld::ScheduleTask
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@ -548,11 +517,9 @@ static int tolua_cWorld_ScheduleTask(lua_State * tolua_S)
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return cManualBindings::lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #1");
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}
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int DelayTicks = static_cast<int>(tolua_tonumber(tolua_S, 2, 0));
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auto task = std::make_shared<cLuaScheduledWorldTask>(*Plugin, FnRef);
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Plugin->AddResettable(task);
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World->ScheduleTask(DelayTicks, static_cast<cWorld::cTaskPtr>(task));
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auto ResettableTask = std::make_shared<cLuaWorldTask>(*Plugin, FnRef);
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Plugin->AddResettable(ResettableTask);
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World->ScheduleTask(static_cast<int>(tolua_tonumber(tolua_S, 2, 0)), std::bind(&cLuaWorldTask::Run, ResettableTask, std::placeholders::_1));
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return 0;
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}
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@ -27,7 +27,6 @@
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} \
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}
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#define PISTON_TICK_DELAY 1
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#define PISTON_MAX_PUSH_DISTANCE 12
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@ -156,15 +155,12 @@ void cBlockPistonHandler::ExtendPiston(int a_BlockX, int a_BlockY, int a_BlockZ,
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// Push blocks, from the furthest to the nearest:
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int oldx = a_BlockX, oldy = a_BlockY, oldz = a_BlockZ;
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NIBBLETYPE currBlockMeta;
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std::vector<Vector3i> ScheduledBlocks;
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ScheduledBlocks.reserve(PISTON_MAX_PUSH_DISTANCE);
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for (int i = dist + 1; i > 1; i--)
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{
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AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1);
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a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, currBlock, currBlockMeta);
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a_World->SetBlock(oldx, oldy, oldz, currBlock, currBlockMeta, false);
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ScheduledBlocks.push_back(Vector3i(oldx, oldy, oldz));
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a_World->SetBlock(oldx, oldy, oldz, currBlock, currBlockMeta);
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oldx = a_BlockX;
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oldy = a_BlockY;
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oldz = a_BlockZ;
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@ -173,13 +169,11 @@ void cBlockPistonHandler::ExtendPiston(int a_BlockX, int a_BlockY, int a_BlockZ,
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int extx = a_BlockX;
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int exty = a_BlockY;
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int extz = a_BlockZ;
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ScheduledBlocks.push_back(Vector3i(extx, exty, extz));
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AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1);
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// "a_Block" now at piston body, "ext" at future extension
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a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta | 0x8);
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a_World->SetBlock(extx, exty, extz, E_BLOCK_PISTON_EXTENSION, pistonMeta | (IsSticky(pistonBlock) ? 8 : 0), false);
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a_World->ScheduleTask(PISTON_TICK_DELAY, static_cast<cWorld::cTaskPtr>(std::make_shared<cWorld::cTaskSendBlockToAllPlayers>(ScheduledBlocks)));
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a_World->SetBlock(extx, exty, extz, E_BLOCK_PISTON_EXTENSION, pistonMeta | (IsSticky(pistonBlock) ? 8 : 0));
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}
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@ -223,23 +217,14 @@ void cBlockPistonHandler::RetractPiston(int a_BlockX, int a_BlockY, int a_BlockZ
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if (CanPull(tempBlock, tempMeta))
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{
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// Pull the block
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a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, tempBlock, tempMeta, false);
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a_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0, false);
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std::vector<Vector3i> ScheduledBlocks;
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ScheduledBlocks.push_back(Vector3i(a_BlockX, a_BlockY, a_BlockZ));
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ScheduledBlocks.push_back(Vector3i(tempx, tempy, tempz));
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a_World->ScheduleTask(PISTON_TICK_DELAY + 1, static_cast<cWorld::cTaskPtr>(std::make_shared<cWorld::cTaskSendBlockToAllPlayers>(ScheduledBlocks)));
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a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, tempBlock, tempMeta);
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a_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0);
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return;
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}
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}
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// Retract without pulling
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a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0, false);
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std::vector<Vector3i> ScheduledBlocks;
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ScheduledBlocks.push_back(Vector3i(a_BlockX, a_BlockY, a_BlockZ));
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a_World->ScheduleTask(PISTON_TICK_DELAY + 1, static_cast<cWorld::cTaskPtr>(std::make_shared<cWorld::cTaskSendBlockToAllPlayers>(ScheduledBlocks)));
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a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
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}
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164
src/World.cpp
164
src/World.cpp
@ -839,7 +839,6 @@ void cWorld::Tick(std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_La
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TickClients(static_cast<float>(a_Dt.count()));
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TickQueuedBlocks();
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TickQueuedTasks();
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TickScheduledTasks();
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GetSimulatorManager()->Simulate(static_cast<float>(a_Dt.count()));
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@ -962,55 +961,39 @@ void cWorld::TickMobs(std::chrono::milliseconds a_Dt)
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void cWorld::TickQueuedTasks(void)
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{
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// Make a copy of the tasks to avoid deadlocks on accessing m_Tasks
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cTasks Tasks;
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// Move the tasks to be executed to a seperate vector to avoid deadlocks on accessing m_Tasks
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decltype(m_Tasks) Tasks;
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{
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cCSLock Lock(m_CSTasks);
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std::swap(Tasks, m_Tasks);
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if (m_Tasks.empty())
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{
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return;
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}
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// Execute and delete each task:
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for (cTasks::iterator itr = Tasks.begin(), end = Tasks.end(); itr != end; ++itr)
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// Partition everything to be executed by returning false to move to end of list if time reached
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auto MoveBeginIterator = std::partition(m_Tasks.begin(), m_Tasks.end(), [this](const decltype(m_Tasks)::value_type & a_Task)
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{
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(*itr)->Run(*this);
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} // for itr - m_Tasks[]
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if (a_Task.first < std::chrono::duration_cast<cTickTimeLong>(m_WorldAge).count())
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{
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return false;
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}
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return true;
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}
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);
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// Cut all the due tasks from m_Tasks into Tasks:
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Tasks.insert(
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Tasks.end(),
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std::make_move_iterator(MoveBeginIterator),
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std::make_move_iterator(m_Tasks.end())
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);
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m_Tasks.erase(MoveBeginIterator, m_Tasks.end());
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}
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void cWorld::TickScheduledTasks(void)
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// Execute each task:
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for (const auto & Task : Tasks)
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{
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// Move the tasks to be executed to a seperate vector to avoid deadlocks on accessing m_Tasks
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cScheduledTasks Tasks;
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{
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cCSLock Lock(m_CSScheduledTasks);
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auto WorldAge = m_WorldAge;
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// Move all the due tasks from m_ScheduledTasks into Tasks:
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for (auto itr = m_ScheduledTasks.begin(); itr != m_ScheduledTasks.end();) // Cannot use range-based for, we're modifying the container
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{
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if ((*itr)->m_TargetTick < std::chrono::duration_cast<cTickTimeLong>(WorldAge).count())
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{
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auto next = itr;
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++next;
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Tasks.push_back(std::move(*itr));
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m_ScheduledTasks.erase(itr);
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itr = next;
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}
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else
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{
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// All the eligible tasks have been moved, bail out now
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break;
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}
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}
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}
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// Execute and delete each task:
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for (cScheduledTasks::iterator itr = Tasks.begin(), end = Tasks.end(); itr != end; ++itr)
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{
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(*itr)->m_Task->Run(*this);
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Task.second(*this);
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} // for itr - m_Tasks[]
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}
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@ -2662,7 +2645,7 @@ void cWorld::UnloadUnusedChunks(void)
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void cWorld::QueueUnloadUnusedChunks(void)
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{
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QueueTask(cpp14::make_unique<cWorld::cTaskUnloadUnusedChunks>());
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QueueTask([](cWorld & a_World) { a_World.UnloadUnusedChunks(); });
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}
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@ -3161,43 +3144,33 @@ void cWorld::SaveAllChunks(void)
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void cWorld::QueueSaveAllChunks(void)
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{
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QueueTask(std::make_shared<cWorld::cTaskSaveAllChunks>());
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QueueTask([](cWorld & a_World) { a_World.SaveAllChunks(); });
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}
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void cWorld::QueueTask(cTaskPtr a_Task)
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void cWorld::QueueTask(std::function<void(cWorld &)> a_Task)
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{
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cCSLock Lock(m_CSTasks);
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m_Tasks.push_back(std::move(a_Task));
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m_Tasks.emplace_back(0, a_Task);
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}
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void cWorld::ScheduleTask(int a_DelayTicks, std::function<void (cWorld&)> a_Func)
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{
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cTaskLambda task(a_Func);
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ScheduleTask(a_DelayTicks, static_cast<cTaskPtr>(std::make_shared<cTaskLambda>(task)));
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}
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void cWorld::ScheduleTask(int a_DelayTicks, cTaskPtr a_Task)
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void cWorld::ScheduleTask(int a_DelayTicks, std::function<void (cWorld &)> a_Task)
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{
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Int64 TargetTick = a_DelayTicks + std::chrono::duration_cast<cTickTimeLong>(m_WorldAge).count();
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// Insert the task into the list of scheduled tasks, ordered by its target tick
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cCSLock Lock(m_CSScheduledTasks);
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for (cScheduledTasks::iterator itr = m_ScheduledTasks.begin(), end = m_ScheduledTasks.end(); itr != end; ++itr)
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// Insert the task into the list of scheduled tasks
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{
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if ((*itr)->m_TargetTick >= TargetTick)
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{
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m_ScheduledTasks.insert(itr, cScheduledTaskPtr(new cScheduledTask(TargetTick, a_Task)));
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return;
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cCSLock Lock(m_CSTasks);
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m_Tasks.emplace_back(TargetTick, a_Task);
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}
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}
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m_ScheduledTasks.push_back(cScheduledTaskPtr(new cScheduledTask(TargetTick, a_Task)));
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}
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@ -3624,75 +3597,6 @@ void cWorld::AddQueuedPlayers(void)
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////////////////////////////////////////////////////////////////////////////////
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// cWorld::cTaskSaveAllChunks:
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void cWorld::cTaskSaveAllChunks::Run(cWorld & a_World)
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{
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a_World.SaveAllChunks();
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}
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////////////////////////////////////////////////////////////////////////////////
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// cWorld::cTaskUnloadUnusedChunks
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void cWorld::cTaskUnloadUnusedChunks::Run(cWorld & a_World)
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{
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a_World.UnloadUnusedChunks();
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}
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////////////////////////////////////////////////////////////////////////////////
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// cWorld::cTaskSendBlockToAllPlayers
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cWorld::cTaskSendBlockToAllPlayers::cTaskSendBlockToAllPlayers(std::vector<Vector3i> & a_SendQueue) :
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m_SendQueue(a_SendQueue)
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{
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}
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void cWorld::cTaskSendBlockToAllPlayers::Run(cWorld & a_World)
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{
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class cPlayerCallback :
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public cPlayerListCallback
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{
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public:
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cPlayerCallback(std::vector<Vector3i> & a_SendQueue, cWorld & a_CallbackWorld) :
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m_SendQueue(a_SendQueue),
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m_World(a_CallbackWorld)
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{
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}
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virtual bool Item(cPlayer * a_Player)
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{
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for (std::vector<Vector3i>::const_iterator itr = m_SendQueue.begin(); itr != m_SendQueue.end(); ++itr)
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{
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m_World.SendBlockTo(itr->x, itr->y, itr->z, a_Player);
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}
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return false;
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}
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private:
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std::vector<Vector3i> m_SendQueue;
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cWorld & m_World;
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} PlayerCallback(m_SendQueue, a_World);
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a_World.ForEachPlayer(PlayerCallback);
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}
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void cWorld::cTaskLambda::Run(cWorld & a_World)
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{
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m_func(a_World);
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}
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////////////////////////////////////////////////////////////////////////////////
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// cWorld::cChunkGeneratorCallbacks:
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107
src/World.h
107
src/World.h
@ -98,70 +98,6 @@ public:
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cLock(cWorld & a_World);
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};
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/** A common ancestor for all tasks queued onto the tick thread */
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class cTask
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{
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public:
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cTask(const cTask & other) = default;
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virtual ~cTask() {}
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virtual void Run(cWorld & a_World) = 0;
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protected:
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cTask() {}
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} ;
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typedef SharedPtr<cTask> cTaskPtr;
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typedef std::vector<cTaskPtr> cTasks;
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class cTaskSaveAllChunks :
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public cTask
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{
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protected:
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// cTask overrides:
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virtual void Run(cWorld & a_World) override;
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} ;
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class cTaskUnloadUnusedChunks :
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public cTask
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{
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protected:
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// cTask overrides:
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virtual void Run(cWorld & a_World) override;
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};
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class cTaskSendBlockToAllPlayers :
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public cTask
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{
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public:
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cTaskSendBlockToAllPlayers(std::vector<Vector3i> & a_SendQueue);
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protected:
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// cTask overrides:
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virtual void Run(cWorld & a_World) override;
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std::vector<Vector3i> m_SendQueue;
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};
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class cTaskLambda :
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public cTask
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{
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public:
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cTaskLambda(std::function<void(cWorld&)> a_Func) :
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m_func(a_Func)
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{ }
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protected:
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virtual void Run(cWorld & a_World) override;
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std::function<void(cWorld&)> m_func;
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};
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static const char * GetClassStatic(void) // Needed for ManualBindings's ForEach templates
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{
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return "cWorld";
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@ -739,13 +675,10 @@ public:
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void QueueSaveAllChunks(void); // tolua_export
|
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|
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/** Queues a task onto the tick thread. The task object will be deleted once the task is finished */
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void QueueTask(cTaskPtr a_Task); // Exported in ManualBindings.cpp
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void QueueTask(std::function<void(cWorld &)> a_Task); // Exported in ManualBindings.cpp
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/** Queues a lambda task onto the tick thread, with the specified delay. */
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void ScheduleTask(int a_DelayTicks, std::function<void(cWorld&)> a_Func);
|
||||
|
||||
/** Queues a task onto the tick thread, with the specified delay. */
|
||||
void ScheduleTask(int a_DelayTicks, cTaskPtr a_Task);
|
||||
void ScheduleTask(int a_DelayTicks, std::function<void(cWorld &)> a_Task);
|
||||
|
||||
/** Returns the number of chunks loaded */
|
||||
int GetNumChunks() const; // tolua_export
|
||||
@ -914,27 +847,6 @@ private:
|
||||
} ;
|
||||
|
||||
|
||||
/** A container for tasks that have been scheduled for a specific game tick */
|
||||
class cScheduledTask
|
||||
{
|
||||
public:
|
||||
Int64 m_TargetTick;
|
||||
cTaskPtr m_Task;
|
||||
|
||||
/** Creates a new scheduled task; takes ownership of the task object passed to it. */
|
||||
cScheduledTask(Int64 a_TargetTick, cTaskPtr a_Task) :
|
||||
m_TargetTick(a_TargetTick),
|
||||
m_Task(a_Task)
|
||||
{
|
||||
}
|
||||
|
||||
virtual ~cScheduledTask() {}
|
||||
};
|
||||
|
||||
typedef std::unique_ptr<cScheduledTask> cScheduledTaskPtr;
|
||||
typedef std::list<cScheduledTaskPtr> cScheduledTasks;
|
||||
|
||||
|
||||
AString m_WorldName;
|
||||
|
||||
/** The name of the overworld that portals in this world should link to.
|
||||
@ -1062,16 +974,8 @@ private:
|
||||
/** Guards the m_Tasks */
|
||||
cCriticalSection m_CSTasks;
|
||||
|
||||
/** Tasks that have been queued onto the tick thread; guarded by m_CSTasks */
|
||||
cTasks m_Tasks;
|
||||
|
||||
/** Guards the m_ScheduledTasks */
|
||||
cCriticalSection m_CSScheduledTasks;
|
||||
|
||||
/** Tasks that have been queued to be executed on the tick thread at target tick in the future.
|
||||
Ordered by increasing m_TargetTick.
|
||||
Guarded by m_CSScheduledTasks */
|
||||
cScheduledTasks m_ScheduledTasks;
|
||||
/** Tasks that have been queued onto the tick thread, possibly to be executed at target tick in the future; guarded by m_CSTasks */
|
||||
std::vector<std::pair<Int64, std::function<void(cWorld &)>>> m_Tasks;
|
||||
|
||||
/** Guards m_Clients */
|
||||
cCriticalSection m_CSClients;
|
||||
@ -1118,9 +1022,6 @@ private:
|
||||
/** Executes all tasks queued onto the tick thread */
|
||||
void TickQueuedTasks(void);
|
||||
|
||||
/** Executes all tasks queued onto the tick thread */
|
||||
void TickScheduledTasks(void);
|
||||
|
||||
/** Ticks all clients that are in this world */
|
||||
void TickClients(float a_Dt);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user