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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2014-11-26 00:03:33 +0100
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2014-11-26 00:03:33 +0100
commit187bdab4fa90fbfa5b1979ea529dc9c0deac89d9 (patch)
treece15b54701666b6f5ecd9563df8b7103d88c29b0 /src/World.cpp
parentRemoved unnecessary #includes (diff)
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Diffstat (limited to 'src/World.cpp')
-rw-r--r--src/World.cpp255
1 files changed, 123 insertions, 132 deletions
diff --git a/src/World.cpp b/src/World.cpp
index 09fb90a12..1602de4bb 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -72,99 +72,130 @@ const int TIME_SPAWN_DIVISOR = 148;
////////////////////////////////////////////////////////////////////////////////
-// cWorldLoadProgress:
+// cSpawnPrepare:
-/// A simple thread that displays the progress of world loading / saving in cWorld::InitializeSpawn()
-class cWorldLoadProgress :
- public cIsThread
+/** Generates and lights the spawn area of the world. Runs as a separate thread. */
+class cSpawnPrepare:
+ public cIsThread,
+ public cChunkCoordCallback
{
+ typedef cIsThread super;
+
public:
- cWorldLoadProgress(cWorld * a_World) :
- cIsThread("cWorldLoadProgress"),
- m_World(a_World)
- {
+ cSpawnPrepare(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance):
+ super("SpawnPrepare"),
+ m_World(a_World),
+ m_SpawnChunkX(a_SpawnChunkX),
+ m_SpawnChunkZ(a_SpawnChunkZ),
+ m_PrepareDistance(a_PrepareDistance),
+ m_MaxIdx(a_PrepareDistance * a_PrepareDistance),
+ m_NumPrepared(0),
+ m_LastReportChunkCount(0)
+ {
+ // Start the thread:
Start();
+
+ // Wait for start confirmation, so that the thread can be waited-upon after the constructor returns:
+ m_EvtStarted.Wait();
}
-
- void Stop(void)
- {
- m_ShouldTerminate = true;
- Wait();
- }
-
-protected:
- cWorld * m_World;
-
+
+ // cIsThread override:
virtual void Execute(void) override
{
- for (;;)
+ // Confirm thread start:
+ m_EvtStarted.Set();
+
+ // Queue the initial chunks:
+ m_MaxIdx = m_PrepareDistance * m_PrepareDistance;
+ int maxQueue = std::min(m_MaxIdx - 1, 100); // Number of chunks to queue at once
+ m_NextIdx = maxQueue;
+ m_LastReportTime = std::chrono::steady_clock::now();
+ for (int i = 0; i < maxQueue; i++)
{
- LOG("" SIZE_T_FMT " chunks to load, %d chunks to generate",
- m_World->GetStorage().GetLoadQueueLength(),
- m_World->GetGenerator().GetQueueLength()
- );
-
- // Wait for 2 sec, but be "reasonably wakeable" when the thread is to finish
- for (int i = 0; i < 20; i++)
- {
- std::this_thread::sleep_for(std::chrono::milliseconds(100));
- if (m_ShouldTerminate)
- {
- return;
- }
- }
- } // for (-ever)
+ int chunkX, chunkZ;
+ DecodeChunkCoords(i, chunkX, chunkZ);
+ m_World.GetLightingThread().QueueChunk(chunkX, chunkZ, this);
+ } // for i
+
+ // Wait for the lighting thread to prepare everything. Event is set in the Call() callback:
+ m_EvtFinished.Wait();
}
-
-} ;
+protected:
+ cWorld & m_World;
+ int m_SpawnChunkX;
+ int m_SpawnChunkZ;
+ int m_PrepareDistance;
+ /** The index of the next chunk to be queued in the lighting thread. */
+ int m_NextIdx;
+ /** The maximum index of the prepared chunks. Queueing stops when m_NextIdx reaches this number. */
+ int m_MaxIdx;
+ /** Total number of chunks already finished preparing. Preparation finishes when this number reaches m_MaxIdx. */
+ int m_NumPrepared;
-////////////////////////////////////////////////////////////////////////////////
-// cWorldLightingProgress:
+ /** Event used to signal that the thread has started. */
+ cEvent m_EvtStarted;
-/// A simple thread that displays the progress of world lighting in cWorld::InitializeSpawn()
-class cWorldLightingProgress :
- public cIsThread
-{
-public:
- cWorldLightingProgress(cLightingThread * a_Lighting) :
- cIsThread("cWorldLightingProgress"),
- m_Lighting(a_Lighting)
- {
- Start();
- }
-
- void Stop(void)
+ /** Event used to signal that the preparation is finished. */
+ cEvent m_EvtFinished;
+
+ /** The timestamp of the last progress report emitted. */
+ std::chrono::steady_clock::time_point m_LastReportTime;
+
+ /** Number of chunks prepared when the last progress report was emitted. */
+ int m_LastReportChunkCount;
+
+ // cChunkCoordCallback override:
+ virtual void Call(int a_ChunkX, int a_ChunkZ)
{
- m_ShouldTerminate = true;
- Wait();
+ // Check if this was the last chunk:
+ m_NumPrepared += 1;
+ if (m_NumPrepared >= m_MaxIdx)
+ {
+ m_EvtFinished.Set();
+ }
+
+ // Queue another chunk, if appropriate:
+ if (m_NextIdx < m_MaxIdx)
+ {
+ int chunkX, chunkZ;
+ DecodeChunkCoords(m_NextIdx, chunkX, chunkZ);
+ m_World.GetLightingThread().QueueChunk(chunkX, chunkZ, this);
+ m_NextIdx += 1;
+ }
+
+ // Report progress every 1 second:
+ auto Now = std::chrono::steady_clock::now();
+ if (Now - m_LastReportTime > std::chrono::seconds(1))
+ {
+ float PercentDone = static_cast<float>(m_NumPrepared * 100) / m_MaxIdx;
+ float ChunkSpeed = static_cast<float>((m_NumPrepared - m_LastReportChunkCount) * 1000) / std::chrono::duration_cast<std::chrono::milliseconds>(Now - m_LastReportTime).count();
+ LOG("Preparing spawn (%s): %.02f%% (%d/%d; %.02f chunks/s)",
+ m_World.GetName().c_str(), PercentDone, m_NumPrepared, m_MaxIdx, ChunkSpeed
+ );
+ m_LastReportTime = Now;
+ m_LastReportChunkCount = m_NumPrepared;
+ }
}
-
-protected:
- cLightingThread * m_Lighting;
-
- virtual void Execute(void) override
+
+ /** Decodes the index into chunk coords. Provides the specific chunk ordering. */
+ void DecodeChunkCoords(int a_Idx, int & a_ChunkX, int & a_ChunkZ)
{
- for (;;)
+ // A zigzag pattern from the top to bottom, each row alternating between forward-x and backward-x:
+ int z = a_Idx / m_PrepareDistance;
+ int x = a_Idx % m_PrepareDistance;
+ if ((z & 1) == 0)
{
- LOG("" SIZE_T_FMT " chunks remaining to light", m_Lighting->GetQueueLength()
- );
-
- // Wait for 2 sec, but be "reasonably wakeable" when the thread is to finish
- for (int i = 0; i < 20; i++)
- {
- std::this_thread::sleep_for(std::chrono::milliseconds(100));
- if (m_ShouldTerminate)
- {
- return;
- }
- }
- } // for (-ever)
+ // Reverse every second row:
+ x = m_PrepareDistance - 1 - x;
+ }
+ a_ChunkZ = m_SpawnChunkZ + z - m_PrepareDistance / 2;
+ a_ChunkX = m_SpawnChunkX + x - m_PrepareDistance / 2;
}
};
@@ -206,7 +237,7 @@ void cWorld::cTickThread::Execute(void)
while (!m_ShouldTerminate)
{
auto NowTime = std::chrono::steady_clock::now();
- m_World.Tick(std::chrono::duration_cast<std::chrono::milliseconds>(NowTime - LastTime).count(), std::chrono::duration_cast<std::chrono::duration<int>>(TickTime).count());
+ m_World.Tick(static_cast<float>(std::chrono::duration_cast<std::chrono::milliseconds>(NowTime - LastTime).count()), std::chrono::duration_cast<std::chrono::duration<int>>(TickTime).count());
TickTime = std::chrono::steady_clock::now() - NowTime;
if (TickTime < msPerTick)
@@ -426,53 +457,9 @@ void cWorld::InitializeSpawn(void)
IniFile.ReadFile(m_IniFileName);
int ViewDist = IniFile.GetValueSetI("SpawnPosition", "PregenerateDistance", DefaultViewDist);
IniFile.WriteFile(m_IniFileName);
-
- LOG("Preparing spawn area in world \"%s\", %d x %d chunks, total %d chunks...", m_WorldName.c_str(), ViewDist, ViewDist, ViewDist * ViewDist);
- for (int x = 0; x < ViewDist; x++)
- {
- for (int z = 0; z < ViewDist; z++)
- {
- m_ChunkMap->TouchChunk(x + ChunkX-(ViewDist - 1) / 2, z + ChunkZ-(ViewDist - 1) / 2); // Queue the chunk in the generator / loader
- }
- }
-
- {
- // Display progress during this process:
- cWorldLoadProgress Progress(this);
-
- // Wait for the loader to finish loading
- m_Storage.WaitForLoadQueueEmpty();
-
- // Wait for the generator to finish generating
- m_Generator.WaitForQueueEmpty();
- // Wait for the loader to finish saving
- m_Storage.WaitForSaveQueueEmpty();
-
- Progress.Stop();
- }
-
- // Light all chunks that have been newly generated:
- LOG("Lighting spawn area in world \"%s\"...", m_WorldName.c_str());
-
- for (int x = 0; x < ViewDist; x++)
- {
- int ChX = x + ChunkX-(ViewDist - 1) / 2;
- for (int z = 0; z < ViewDist; z++)
- {
- int ChZ = z + ChunkZ-(ViewDist - 1) / 2;
- if (!m_ChunkMap->IsChunkLighted(ChX, ChZ))
- {
- m_Lighting.QueueChunk(ChX, ChZ); // Queue the chunk in the lighting thread
- }
- } // for z
- } // for x
-
- {
- cWorldLightingProgress Progress(&m_Lighting);
- m_Lighting.WaitForQueueEmpty();
- Progress.Stop();
- }
+ cSpawnPrepare prep(*this, ChunkX, ChunkZ, ViewDist);
+ prep.Wait();
#ifdef TEST_LINEBLOCKTRACER
// DEBUG: Test out the cLineBlockTracer class by tracing a few lines:
@@ -735,28 +722,32 @@ void cWorld::InitialiseGeneratorDefaults(cIniFile & a_IniFile)
{
case dimEnd:
{
- a_IniFile.GetValueSet("Generator", "BiomeGen", "Constant");
- a_IniFile.GetValueSet("Generator", "ConstantBiome", "End");
- a_IniFile.GetValueSet("Generator", "HeightGen", "Biomal");
+ a_IniFile.GetValueSet("Generator", "Generator", "Composable");
+ a_IniFile.GetValueSet("Generator", "BiomeGen", "Constant");
+ a_IniFile.GetValueSet("Generator", "ConstantBiome", "End");
+ a_IniFile.GetValueSet("Generator", "ShapeGen", "End");
a_IniFile.GetValueSet("Generator", "CompositionGen", "End");
break;
}
case dimOverworld:
{
- a_IniFile.GetValueSet("Generator", "BiomeGen", "MultiStepMap");
- a_IniFile.GetValueSet("Generator", "HeightGen", "DistortedHeightmap");
- a_IniFile.GetValueSet("Generator", "CompositionGen", "DistortedHeightmap");
- a_IniFile.GetValueSet("Generator", "Finishers", "Ravines, WormNestCaves, WaterLakes, WaterSprings, LavaLakes, LavaSprings, OreNests, Mineshafts, Trees, SprinkleFoliage, Ice, Snow, Lilypads, BottomLava, DeadBushes, PreSimulator");
+ a_IniFile.GetValueSet("Generator", "Generator", "Composable");
+ a_IniFile.GetValueSet("Generator", "BiomeGen", "Grown");
+ a_IniFile.GetValueSet("Generator", "ShapeGen", "BiomalNoise3D");
+ a_IniFile.GetValueSet("Generator", "CompositionGen", "Biomal");
+ a_IniFile.GetValueSet("Generator", "Finishers", "Ravines, WormNestCaves, WaterLakes, WaterSprings, LavaLakes, LavaSprings, OreNests, Mineshafts, Trees, Villages, SprinkleFoliage, Ice, Snow, Lilypads, BottomLava, DeadBushes, PreSimulator");
break;
}
case dimNether:
{
- a_IniFile.GetValueSet("Generator", "BiomeGen", "Constant");
- a_IniFile.GetValueSet("Generator", "ConstantBiome", "Nether");
- a_IniFile.GetValueSet("Generator", "HeightGen", "Flat");
- a_IniFile.GetValueSet("Generator", "FlatHeight", "128");
- a_IniFile.GetValueSet("Generator", "CompositionGen", "Nether");
- a_IniFile.GetValueSet("Generator", "Finishers", "WormNestCaves, BottomLava, LavaSprings, NetherClumpFoliage, NetherForts, PreSimulator");
+ a_IniFile.GetValueSet("Generator", "Generator", "Composable");
+ a_IniFile.GetValueSet("Generator", "BiomeGen", "Constant");
+ a_IniFile.GetValueSet("Generator", "ConstantBiome", "Nether");
+ a_IniFile.GetValueSet("Generator", "ShapeGen", "HeightMap");
+ a_IniFile.GetValueSet("Generator", "HeightGen", "Flat");
+ a_IniFile.GetValueSet("Generator", "FlatHeight", "128");
+ a_IniFile.GetValueSet("Generator", "CompositionGen", "Nether");
+ a_IniFile.GetValueSet("Generator", "Finishers", "WormNestCaves, BottomLava, LavaSprings, NetherClumpFoliage, NetherForts, PreSimulator");
a_IniFile.GetValueSet("Generator", "BottomLavaHeight", "30");
break;
}