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authorcedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-06-14 15:06:06 +0200
committercedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-06-14 15:06:06 +0200
commit92c59963f82f81aa3202657e7fdbb2592924ede3 (patch)
treeb7eb2474528a4998fa102e3ec9119b908cee08b4 /source/cChunkGenerator.cpp
parentAdded HOOK_WEATHER_CHANGE. (diff)
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Diffstat (limited to '')
-rw-r--r--source/cChunkGenerator.cpp1088
1 files changed, 544 insertions, 544 deletions
diff --git a/source/cChunkGenerator.cpp b/source/cChunkGenerator.cpp
index 82dc432e3..bed9d5cb8 100644
--- a/source/cChunkGenerator.cpp
+++ b/source/cChunkGenerator.cpp
@@ -1,544 +1,544 @@
-
-#include "Globals.h"
-
-#include "cChunkGenerator.h"
-#include "cWorld.h"
-#include "../iniFile/iniFile.h"
-#include "BioGen.h"
-#include "HeiGen.h"
-#include "CompoGen.h"
-#include "StructGen.h"
-#include "FinishGen.h"
-#include "cRoot.h"
-#include "cPluginManager.h"
-#include "cLuaChunk.h"
-
-
-
-
-
-/// If the generation queue size exceeds this number, a warning will be output
-const int QUEUE_WARNING_LIMIT = 1000;
-
-/// If the generation queue size exceeds this number, chunks with no clients will be skipped
-const int QUEUE_SKIP_LIMIT = 500;
-
-
-
-
-
-static BLOCKTYPE GetIniBlock(cIniFile & a_IniFile, const AString & a_SectionName, const AString & a_ValueName, const AString & a_Default)
-{
- AString BlockType = a_IniFile.GetValueSet(a_SectionName, a_ValueName, a_Default);
- BLOCKTYPE Block = BlockStringToType(BlockType);
- if (Block < 0)
- {
- LOGWARN("[&s].%s Could not parse block value \"%s\". Using default: \"%s\".", a_SectionName.c_str(), a_ValueName.c_str(), BlockType.c_str(),a_Default.c_str());
- return BlockStringToType(a_Default);
- }
- return Block;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cChunkGenerator:
-
-cChunkGenerator::cChunkGenerator(void)
- : super("cChunkGenerator")
- , m_World(NULL)
- , m_BiomeGen(NULL)
- , m_HeightGen(NULL)
- , m_CompositionGen(NULL)
-{
-}
-
-
-
-
-
-cChunkGenerator::~cChunkGenerator()
-{
- Stop();
-}
-
-
-
-
-
-bool cChunkGenerator::Start(cWorld * a_World, cIniFile & a_IniFile)
-{
- MTRand rnd;
- m_World = a_World;
- m_Seed = a_IniFile.GetValueSetI("Seed", "Seed", rnd.randInt());
-
- InitBiomeGen(a_IniFile);
- InitHeightGen(a_IniFile);
- InitCompositionGen(a_IniFile);
- InitStructureGens(a_IniFile);
- InitFinishGens(a_IniFile);
-
- a_IniFile.WriteFile();
-
- return super::Start();
-}
-
-
-
-
-
-void cChunkGenerator::Stop(void)
-{
- m_ShouldTerminate = true;
- m_Event.Set();
- m_evtRemoved.Set(); // Wake up anybody waiting for empty queue
- Wait();
-
- // Delete the generating composition:
- for (cFinishGenList::const_iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr)
- {
- delete *itr;
- }
- m_FinishGens.clear();
- for (cStructureGenList::const_iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr)
- {
- delete *itr;
- }
- m_StructureGens.clear();
- delete m_CompositionGen;
- m_CompositionGen = NULL;
- delete m_HeightGen;
- m_HeightGen = NULL;
- delete m_BiomeGen;
- m_BiomeGen = NULL;
-}
-
-
-
-
-
-void cChunkGenerator::InitBiomeGen(cIniFile & a_IniFile)
-{
- AString BiomeGenName = a_IniFile.GetValueSet("Generator", "BiomeGen", "");
- if (BiomeGenName.empty())
- {
- LOGWARN("[Generator]::BiomeGen value not found in world.ini, using \"DistortedVoronoi\".");
- BiomeGenName = "DistortedVoronoi";
- }
-
- bool CacheOffByDefault = false;
- if (NoCaseCompare(BiomeGenName, "constant") == 0)
- {
- AString Biome = a_IniFile.GetValueSet("Generator", "ConstantBiome", "Plains");
- EMCSBiome b = StringToBiome(Biome);
- if (b == -1)
- {
- LOGWARN("[Generator]::ConstantBiome value \"%s\" not recognized, using \"Plains\".", Biome.c_str());
- b = biPlains;
- }
- m_BiomeGen = new cBioGenConstant(b);
- CacheOffByDefault = true; // we're generating faster than a cache would retrieve data :)
- }
- else if (NoCaseCompare(BiomeGenName, "checkerboard") == 0)
- {
- int BiomeSize = a_IniFile.GetValueSetI("Generator", "CheckerboardBiomeSize", 64);
- AString Biomes = a_IniFile.GetValueSet ("Generator", "CheckerBoardBiomes", "");
- m_BiomeGen = new cBioGenCheckerboard(BiomeSize, Biomes);
- CacheOffByDefault = true; // we're (probably) generating faster than a cache would retrieve data
- }
- else if (NoCaseCompare(BiomeGenName, "voronoi") == 0)
- {
- int CellSize = a_IniFile.GetValueSetI("Generator", "VoronoiCellSize", 64);
- AString Biomes = a_IniFile.GetValueSet ("Generator", "VoronoiBiomes", "");
- m_BiomeGen = new cBioGenVoronoi(m_Seed, CellSize, Biomes);
- }
- else
- {
- if (NoCaseCompare(BiomeGenName, "distortedvoronoi") != 0)
- {
- LOGWARNING("Unknown BiomeGen \"%s\", using \"DistortedVoronoi\" instead.", BiomeGenName.c_str());
- }
- int CellSize = a_IniFile.GetValueSetI("Generator", "DistortedVoronoiCellSize", 96);
- AString Biomes = a_IniFile.GetValueSet ("Generator", "DistortedVoronoiBiomes", "");
- m_BiomeGen = new cBioGenDistortedVoronoi(m_Seed, CellSize, Biomes);
- }
-
- // Add a cache, if requested:
- int CacheSize = a_IniFile.GetValueSetI("Generator", "BiomeGenCacheSize", CacheOffByDefault ? 0 : 64);
- if (CacheSize > 0)
- {
- if (CacheSize < 4)
- {
- LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
- CacheSize, 4
- );
- CacheSize = 4;
- }
- LOGINFO("Using a cache for biomegen of size %d.", CacheSize);
- m_BiomeGen = new cBioGenCache(m_BiomeGen, CacheSize);
- }
-}
-
-
-
-
-
-void cChunkGenerator::InitHeightGen(cIniFile & a_IniFile)
-{
- AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", "");
- if (HeightGenName.empty())
- {
- LOGWARN("[Generator]::HeightGen value not found in world.ini, using \"Biomal\".");
- HeightGenName = "Biomal";
- }
-
- bool CacheOffByDefault = false;
- if (NoCaseCompare(HeightGenName, "flat") == 0)
- {
- int Height = a_IniFile.GetValueSetI("Generator", "FlatHeight", 5);
- m_HeightGen = new cHeiGenFlat(Height);
- CacheOffByDefault = true; // We're generating faster than a cache would retrieve data
- }
- else if (NoCaseCompare(HeightGenName, "classic") == 0)
- {
- // These used to be in terrain.ini, but now they are in world.ini (so that multiple worlds can have different values):
- float HeightFreq1 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq1", 0.1);
- float HeightFreq2 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq2", 1.0);
- float HeightFreq3 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq3", 2.0);
- float HeightAmp1 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp1", 1.0);
- float HeightAmp2 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp2", 0.5);
- float HeightAmp3 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp3", 0.5);
- m_HeightGen = new cHeiGenClassic(m_Seed, HeightFreq1, HeightAmp1, HeightFreq2, HeightAmp2, HeightFreq3, HeightAmp3);
- }
- else // "biomal" or <not found>
- {
- if (NoCaseCompare(HeightGenName, "biomal") != 0)
- {
- LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str());
- }
- m_HeightGen = new cHeiGenBiomal(m_Seed, *m_BiomeGen);
- }
-
- // Add a cache, if requested:
- int CacheSize = a_IniFile.GetValueSetI("Generator", "HeightGenCacheSize", CacheOffByDefault ? 0 : 64);
- if (CacheSize > 0)
- {
- if (CacheSize < 4)
- {
- LOGWARNING("Heightgen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
- CacheSize, 4
- );
- CacheSize = 4;
- }
- LOGINFO("Using a cache for Heightgen of size %d.", CacheSize);
- m_HeightGen = new cHeiGenCache(m_HeightGen, CacheSize);
- }
-}
-
-
-
-
-
-void cChunkGenerator::InitCompositionGen(cIniFile & a_IniFile)
-{
- AString CompoGenName = a_IniFile.GetValueSet("Generator", "CompositionGen", "");
- if (CompoGenName.empty())
- {
- LOGWARN("[Generator]::CompositionGen value not found in world.ini, using \"Biomal\".");
- CompoGenName = "Biomal";
- }
- if (NoCaseCompare(CompoGenName, "sameblock") == 0)
- {
- AString BlockType = a_IniFile.GetValueSet("Generator", "SameBlockType", "");
- if (BlockType.empty())
- {
- LOGWARN("[Generator]::SameBlockType value not found in world.ini, using \"stone\".");
- BlockType = "stone";
- }
- int Block = GetIniBlock(a_IniFile, "[Generator]", "SameBlockType", "stone");
- bool Bedrocked = (a_IniFile.GetValueSetI("Generator", "SameBlockBedrocked", 1) != 0);
- m_CompositionGen = new cCompoGenSameBlock((BLOCKTYPE)Block, Bedrocked);
- }
- else if (NoCaseCompare(CompoGenName, "debugbiomes") == 0)
- {
- m_CompositionGen = new cCompoGenDebugBiomes;
- }
- else if (NoCaseCompare(CompoGenName, "classic") == 0)
- {
- int SeaLevel = a_IniFile.GetValueSetI("Generator", "ClassicSeaLevel", 60);
- int BeachHeight = a_IniFile.GetValueSetI("Generator", "ClassicBeachHeight", 2);
- int BeachDepth = a_IniFile.GetValueSetI("Generator", "ClassicBeachDepth", 4);
- BLOCKTYPE BlockTop = GetIniBlock(a_IniFile, "Generator", "ClassicBlockTop", "grass");
- BLOCKTYPE BlockMiddle = GetIniBlock(a_IniFile, "Generator", "ClassicBlockMiddle", "dirt");
- BLOCKTYPE BlockBottom = GetIniBlock(a_IniFile, "Generator", "ClassicBlockBottom", "stone");
- BLOCKTYPE BlockBeach = GetIniBlock(a_IniFile, "Generator", "ClassicBlockBeach", "sand");
- BLOCKTYPE BlockBeachBottom = GetIniBlock(a_IniFile, "Generator", "ClassicBlockBeachBottom", "sandstone");
- BLOCKTYPE BlockSea = GetIniBlock(a_IniFile, "Generator", "ClassicBlockSea", "9");
- m_CompositionGen = new cCompoGenClassic(
- SeaLevel, BeachHeight, BeachDepth, BlockTop, BlockMiddle, BlockBottom, BlockBeach,
- BlockBeachBottom, BlockSea
- );
- }
- else
- {
- if (NoCaseCompare(CompoGenName, "biomal") != 0)
- {
- LOGWARN("Unknown CompositionGen \"%s\", using \"biomal\" instead.", CompoGenName.c_str());
- }
- int SeaLevel = a_IniFile.GetValueSetI("Generator", "BiomalSeaLevel", 62);
- m_CompositionGen = new cCompoGenBiomal(m_Seed, SeaLevel);
- }
-}
-
-
-
-
-
-void cChunkGenerator::InitStructureGens(cIniFile & a_IniFile)
-{
- AString Structures = a_IniFile.GetValueSet("Generator", "Structures", "Trees,MarbleCaves,OreNests");
-
- AStringVector Str = StringSplit(Structures, ",");
- for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr)
- {
- if (NoCaseCompare(*itr, "trees") == 0)
- {
- m_StructureGens.push_back(new cStructGenTrees(m_Seed, m_BiomeGen, m_HeightGen, m_CompositionGen));
- }
- else if (NoCaseCompare(*itr, "marblecaves") == 0)
- {
- m_StructureGens.push_back(new cStructGenMarbleCaves(m_Seed));
- }
- else if (NoCaseCompare(*itr, "orenests") == 0)
- {
- m_StructureGens.push_back(new cStructGenOreNests(m_Seed));
- }
- else
- {
- LOGWARNING("Unknown structure generator: \"%s\". Ignoring.", itr->c_str());
- }
- } // for itr - Str[]
-}
-
-
-
-
-
-void cChunkGenerator::InitFinishGens(cIniFile & a_IniFile)
-{
- AString Structures = a_IniFile.GetValueSet("Generator", "Finishers", "SprinkleFoliage,Ice,Snow");
-
- AStringVector Str = StringSplit(Structures, ",");
- for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr)
- {
- if (NoCaseCompare(*itr, "SprinkleFoliage") == 0)
- {
- m_FinishGens.push_back(new cFinishGenSprinkleFoliage(m_Seed));
- }
- else if (NoCaseCompare(*itr, "Snow") == 0)
- {
- m_FinishGens.push_back(new cFinishGenSnow);
- }
- else if (NoCaseCompare(*itr, "Ice") == 0)
- {
- m_FinishGens.push_back(new cFinishGenIce);
- }
- } // for itr - Str[]
-}
-
-
-
-
-
-void cChunkGenerator::QueueGenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
- {
- cCSLock Lock(m_CS);
-
- // Check if it is already in the queue:
- for (cChunkCoordsList::iterator itr = m_Queue.begin(); itr != m_Queue.end(); ++itr)
- {
- if ((itr->m_ChunkX == a_ChunkX) && (itr->m_ChunkY == a_ChunkY) && (itr->m_ChunkZ == a_ChunkZ))
- {
- // Already in the queue, bail out
- return;
- }
- } // for itr - m_Queue[]
-
- // Add to queue, issue a warning if too many:
- if (m_Queue.size() >= QUEUE_WARNING_LIMIT)
- {
- LOGWARN("WARNING: Adding chunk [%i, %i] to generation queue; Queue is too big! (%i)", a_ChunkX, a_ChunkZ, m_Queue.size());
- }
- m_Queue.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
- }
-
- m_Event.Set();
-}
-
-
-
-
-
-void cChunkGenerator::GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
-{
- m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
-}
-
-
-
-
-
-void cChunkGenerator::WaitForQueueEmpty(void)
-{
- cCSLock Lock(m_CS);
- while (!m_ShouldTerminate && !m_Queue.empty())
- {
- cCSUnlock Unlock(Lock);
- m_evtRemoved.Wait();
- }
-}
-
-
-
-
-
-int cChunkGenerator::GetQueueLength(void)
-{
- cCSLock Lock(m_CS);
- return (int)m_Queue.size();
-}
-
-
-
-
-
-EMCSBiome cChunkGenerator::GetBiomeAt(int a_BlockX, int a_BlockZ)
-{
- cChunkDef::BiomeMap Biomes;
- int Y = 0;
- int ChunkX, ChunkZ;
- cWorld::AbsoluteToRelative(a_BlockX, Y, a_BlockZ, ChunkX, Y, ChunkZ);
- m_BiomeGen->GenBiomes(ChunkX, ChunkZ, Biomes);
- return cChunkDef::GetBiome(Biomes, a_BlockX, a_BlockZ);
-}
-
-
-
-
-
-void cChunkGenerator::Execute(void)
-{
- while (!m_ShouldTerminate)
- {
- cCSLock Lock(m_CS);
- while (m_Queue.size() == 0)
- {
- cCSUnlock Unlock(Lock);
- m_Event.Wait();
- if (m_ShouldTerminate)
- {
- return;
- }
- }
-
- cChunkCoords coords = m_Queue.front(); // Get next coord from queue
- m_Queue.erase( m_Queue.begin() ); // Remove coordinate from queue
- bool SkipEnabled = (m_Queue.size() > QUEUE_SKIP_LIMIT);
- Lock.Unlock(); // Unlock ASAP
- m_evtRemoved.Set();
-
- // Hack for regenerating chunks: if Y != 0, the chunk is considered invalid, even if it has its data set
- if ((coords.m_ChunkY == 0) && m_World->IsChunkValid(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ))
- {
- LOGD("Chunk [%d, %d] already generated, skipping generation", coords.m_ChunkX, coords.m_ChunkZ);
- // Already generated, ignore request
- continue;
- }
-
- if (SkipEnabled && !m_World->HasChunkAnyClients(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ))
- {
- LOGWARNING("Chunk generator overloaded, skipping chunk [%d, %d, %d]", coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
- continue;
- }
-
- LOGD("Generating chunk [%d, %d, %d]", coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
- DoGenerate(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
-
- // Save the chunk right after generating, so that we don't have to generate it again on next run
- m_World->GetStorage().QueueSaveChunk(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
- } // while (!bStop)
-}
-
-
-
-
-void cChunkGenerator::DoGenerate(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
- cChunkDef::BiomeMap BiomeMap;
- cChunkDef::BlockTypes BlockTypes;
- cChunkDef::BlockNibbles BlockMeta;
- cChunkDef::HeightMap HeightMap;
- cEntityList Entities;
- cBlockEntityList BlockEntities;
-
- cLuaChunk LuaChunk( BlockTypes, BlockMeta, HeightMap, BiomeMap );
- if( cRoot::Get()->GetPluginManager()->CallHook( cPluginManager::E_PLUGIN_CHUNK_GENERATING, 3, a_ChunkX, a_ChunkZ, &LuaChunk ) )
- {
- // A plugin interrupted generation, handle something plugin specific
- if( LuaChunk.IsUsingDefaultBiomes() )
- {
- m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, BiomeMap);
- }
- if( LuaChunk.IsUsingDefaultComposition() )
- {
- m_CompositionGen->ComposeTerrain(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
- }
- if( LuaChunk.IsUsingDefaultStructures() )
- {
- for (cStructureGenList::iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr)
- {
- (*itr)->GenStructures(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, Entities, BlockEntities);
- } // for itr - m_StructureGens[]
- }
- if( LuaChunk.IsUsingDefaultFinish() )
- {
- for (cFinishGenList::iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr)
- {
- (*itr)->GenFinish(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
- } // for itr - m_FinishGens[]
- }
- }
- else
- {
- // Use the composed generator:
- m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, BiomeMap);
- m_HeightGen->GenHeightMap(a_ChunkX, a_ChunkZ, HeightMap);
- m_CompositionGen->ComposeTerrain(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
- for (cStructureGenList::iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr)
- {
- (*itr)->GenStructures(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, Entities, BlockEntities);
- } // for itr - m_StructureGens[]
- for (cFinishGenList::iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr)
- {
- (*itr)->GenFinish(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
- } // for itr - m_FinishGens[]
- }
-
- m_World->SetChunkData(
- a_ChunkX, a_ChunkY, a_ChunkZ,
- BlockTypes, BlockMeta,
- NULL, NULL, // We don't have lighting, chunk will be lighted when needed
- &HeightMap, &BiomeMap,
- Entities, BlockEntities,
- true
- );
-
- cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_CHUNK_GENERATED, 3, m_World, a_ChunkX, a_ChunkZ);
-}
-
-
-
-
+
+#include "Globals.h"
+
+#include "cChunkGenerator.h"
+#include "cWorld.h"
+#include "../iniFile/iniFile.h"
+#include "BioGen.h"
+#include "HeiGen.h"
+#include "CompoGen.h"
+#include "StructGen.h"
+#include "FinishGen.h"
+#include "cRoot.h"
+#include "cPluginManager.h"
+#include "cLuaChunk.h"
+
+
+
+
+
+/// If the generation queue size exceeds this number, a warning will be output
+const int QUEUE_WARNING_LIMIT = 1000;
+
+/// If the generation queue size exceeds this number, chunks with no clients will be skipped
+const int QUEUE_SKIP_LIMIT = 500;
+
+
+
+
+
+static BLOCKTYPE GetIniBlock(cIniFile & a_IniFile, const AString & a_SectionName, const AString & a_ValueName, const AString & a_Default)
+{
+ AString BlockType = a_IniFile.GetValueSet(a_SectionName, a_ValueName, a_Default);
+ BLOCKTYPE Block = BlockStringToType(BlockType);
+ if (Block < 0)
+ {
+ LOGWARN("[&s].%s Could not parse block value \"%s\". Using default: \"%s\".", a_SectionName.c_str(), a_ValueName.c_str(), BlockType.c_str(),a_Default.c_str());
+ return BlockStringToType(a_Default);
+ }
+ return Block;
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cChunkGenerator:
+
+cChunkGenerator::cChunkGenerator(void)
+ : super("cChunkGenerator")
+ , m_World(NULL)
+ , m_BiomeGen(NULL)
+ , m_HeightGen(NULL)
+ , m_CompositionGen(NULL)
+{
+}
+
+
+
+
+
+cChunkGenerator::~cChunkGenerator()
+{
+ Stop();
+}
+
+
+
+
+
+bool cChunkGenerator::Start(cWorld * a_World, cIniFile & a_IniFile)
+{
+ MTRand rnd;
+ m_World = a_World;
+ m_Seed = a_IniFile.GetValueSetI("Seed", "Seed", rnd.randInt());
+
+ InitBiomeGen(a_IniFile);
+ InitHeightGen(a_IniFile);
+ InitCompositionGen(a_IniFile);
+ InitStructureGens(a_IniFile);
+ InitFinishGens(a_IniFile);
+
+ a_IniFile.WriteFile();
+
+ return super::Start();
+}
+
+
+
+
+
+void cChunkGenerator::Stop(void)
+{
+ m_ShouldTerminate = true;
+ m_Event.Set();
+ m_evtRemoved.Set(); // Wake up anybody waiting for empty queue
+ Wait();
+
+ // Delete the generating composition:
+ for (cFinishGenList::const_iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr)
+ {
+ delete *itr;
+ }
+ m_FinishGens.clear();
+ for (cStructureGenList::const_iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr)
+ {
+ delete *itr;
+ }
+ m_StructureGens.clear();
+ delete m_CompositionGen;
+ m_CompositionGen = NULL;
+ delete m_HeightGen;
+ m_HeightGen = NULL;
+ delete m_BiomeGen;
+ m_BiomeGen = NULL;
+}
+
+
+
+
+
+void cChunkGenerator::InitBiomeGen(cIniFile & a_IniFile)
+{
+ AString BiomeGenName = a_IniFile.GetValueSet("Generator", "BiomeGen", "");
+ if (BiomeGenName.empty())
+ {
+ LOGWARN("[Generator]::BiomeGen value not found in world.ini, using \"DistortedVoronoi\".");
+ BiomeGenName = "DistortedVoronoi";
+ }
+
+ bool CacheOffByDefault = false;
+ if (NoCaseCompare(BiomeGenName, "constant") == 0)
+ {
+ AString Biome = a_IniFile.GetValueSet("Generator", "ConstantBiome", "Plains");
+ EMCSBiome b = StringToBiome(Biome);
+ if (b == -1)
+ {
+ LOGWARN("[Generator]::ConstantBiome value \"%s\" not recognized, using \"Plains\".", Biome.c_str());
+ b = biPlains;
+ }
+ m_BiomeGen = new cBioGenConstant(b);
+ CacheOffByDefault = true; // we're generating faster than a cache would retrieve data :)
+ }
+ else if (NoCaseCompare(BiomeGenName, "checkerboard") == 0)
+ {
+ int BiomeSize = a_IniFile.GetValueSetI("Generator", "CheckerboardBiomeSize", 64);
+ AString Biomes = a_IniFile.GetValueSet ("Generator", "CheckerBoardBiomes", "");
+ m_BiomeGen = new cBioGenCheckerboard(BiomeSize, Biomes);
+ CacheOffByDefault = true; // we're (probably) generating faster than a cache would retrieve data
+ }
+ else if (NoCaseCompare(BiomeGenName, "voronoi") == 0)
+ {
+ int CellSize = a_IniFile.GetValueSetI("Generator", "VoronoiCellSize", 64);
+ AString Biomes = a_IniFile.GetValueSet ("Generator", "VoronoiBiomes", "");
+ m_BiomeGen = new cBioGenVoronoi(m_Seed, CellSize, Biomes);
+ }
+ else
+ {
+ if (NoCaseCompare(BiomeGenName, "distortedvoronoi") != 0)
+ {
+ LOGWARNING("Unknown BiomeGen \"%s\", using \"DistortedVoronoi\" instead.", BiomeGenName.c_str());
+ }
+ int CellSize = a_IniFile.GetValueSetI("Generator", "DistortedVoronoiCellSize", 96);
+ AString Biomes = a_IniFile.GetValueSet ("Generator", "DistortedVoronoiBiomes", "");
+ m_BiomeGen = new cBioGenDistortedVoronoi(m_Seed, CellSize, Biomes);
+ }
+
+ // Add a cache, if requested:
+ int CacheSize = a_IniFile.GetValueSetI("Generator", "BiomeGenCacheSize", CacheOffByDefault ? 0 : 64);
+ if (CacheSize > 0)
+ {
+ if (CacheSize < 4)
+ {
+ LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
+ CacheSize, 4
+ );
+ CacheSize = 4;
+ }
+ LOGINFO("Using a cache for biomegen of size %d.", CacheSize);
+ m_BiomeGen = new cBioGenCache(m_BiomeGen, CacheSize);
+ }
+}
+
+
+
+
+
+void cChunkGenerator::InitHeightGen(cIniFile & a_IniFile)
+{
+ AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", "");
+ if (HeightGenName.empty())
+ {
+ LOGWARN("[Generator]::HeightGen value not found in world.ini, using \"Biomal\".");
+ HeightGenName = "Biomal";
+ }
+
+ bool CacheOffByDefault = false;
+ if (NoCaseCompare(HeightGenName, "flat") == 0)
+ {
+ int Height = a_IniFile.GetValueSetI("Generator", "FlatHeight", 5);
+ m_HeightGen = new cHeiGenFlat(Height);
+ CacheOffByDefault = true; // We're generating faster than a cache would retrieve data
+ }
+ else if (NoCaseCompare(HeightGenName, "classic") == 0)
+ {
+ // These used to be in terrain.ini, but now they are in world.ini (so that multiple worlds can have different values):
+ float HeightFreq1 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq1", 0.1);
+ float HeightFreq2 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq2", 1.0);
+ float HeightFreq3 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq3", 2.0);
+ float HeightAmp1 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp1", 1.0);
+ float HeightAmp2 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp2", 0.5);
+ float HeightAmp3 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp3", 0.5);
+ m_HeightGen = new cHeiGenClassic(m_Seed, HeightFreq1, HeightAmp1, HeightFreq2, HeightAmp2, HeightFreq3, HeightAmp3);
+ }
+ else // "biomal" or <not found>
+ {
+ if (NoCaseCompare(HeightGenName, "biomal") != 0)
+ {
+ LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str());
+ }
+ m_HeightGen = new cHeiGenBiomal(m_Seed, *m_BiomeGen);
+ }
+
+ // Add a cache, if requested:
+ int CacheSize = a_IniFile.GetValueSetI("Generator", "HeightGenCacheSize", CacheOffByDefault ? 0 : 64);
+ if (CacheSize > 0)
+ {
+ if (CacheSize < 4)
+ {
+ LOGWARNING("Heightgen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
+ CacheSize, 4
+ );
+ CacheSize = 4;
+ }
+ LOGINFO("Using a cache for Heightgen of size %d.", CacheSize);
+ m_HeightGen = new cHeiGenCache(m_HeightGen, CacheSize);
+ }
+}
+
+
+
+
+
+void cChunkGenerator::InitCompositionGen(cIniFile & a_IniFile)
+{
+ AString CompoGenName = a_IniFile.GetValueSet("Generator", "CompositionGen", "");
+ if (CompoGenName.empty())
+ {
+ LOGWARN("[Generator]::CompositionGen value not found in world.ini, using \"Biomal\".");
+ CompoGenName = "Biomal";
+ }
+ if (NoCaseCompare(CompoGenName, "sameblock") == 0)
+ {
+ AString BlockType = a_IniFile.GetValueSet("Generator", "SameBlockType", "");
+ if (BlockType.empty())
+ {
+ LOGWARN("[Generator]::SameBlockType value not found in world.ini, using \"stone\".");
+ BlockType = "stone";
+ }
+ int Block = GetIniBlock(a_IniFile, "[Generator]", "SameBlockType", "stone");
+ bool Bedrocked = (a_IniFile.GetValueSetI("Generator", "SameBlockBedrocked", 1) != 0);
+ m_CompositionGen = new cCompoGenSameBlock((BLOCKTYPE)Block, Bedrocked);
+ }
+ else if (NoCaseCompare(CompoGenName, "debugbiomes") == 0)
+ {
+ m_CompositionGen = new cCompoGenDebugBiomes;
+ }
+ else if (NoCaseCompare(CompoGenName, "classic") == 0)
+ {
+ int SeaLevel = a_IniFile.GetValueSetI("Generator", "ClassicSeaLevel", 60);
+ int BeachHeight = a_IniFile.GetValueSetI("Generator", "ClassicBeachHeight", 2);
+ int BeachDepth = a_IniFile.GetValueSetI("Generator", "ClassicBeachDepth", 4);
+ BLOCKTYPE BlockTop = GetIniBlock(a_IniFile, "Generator", "ClassicBlockTop", "grass");
+ BLOCKTYPE BlockMiddle = GetIniBlock(a_IniFile, "Generator", "ClassicBlockMiddle", "dirt");
+ BLOCKTYPE BlockBottom = GetIniBlock(a_IniFile, "Generator", "ClassicBlockBottom", "stone");
+ BLOCKTYPE BlockBeach = GetIniBlock(a_IniFile, "Generator", "ClassicBlockBeach", "sand");
+ BLOCKTYPE BlockBeachBottom = GetIniBlock(a_IniFile, "Generator", "ClassicBlockBeachBottom", "sandstone");
+ BLOCKTYPE BlockSea = GetIniBlock(a_IniFile, "Generator", "ClassicBlockSea", "9");
+ m_CompositionGen = new cCompoGenClassic(
+ SeaLevel, BeachHeight, BeachDepth, BlockTop, BlockMiddle, BlockBottom, BlockBeach,
+ BlockBeachBottom, BlockSea
+ );
+ }
+ else
+ {
+ if (NoCaseCompare(CompoGenName, "biomal") != 0)
+ {
+ LOGWARN("Unknown CompositionGen \"%s\", using \"biomal\" instead.", CompoGenName.c_str());
+ }
+ int SeaLevel = a_IniFile.GetValueSetI("Generator", "BiomalSeaLevel", 62);
+ m_CompositionGen = new cCompoGenBiomal(m_Seed, SeaLevel);
+ }
+}
+
+
+
+
+
+void cChunkGenerator::InitStructureGens(cIniFile & a_IniFile)
+{
+ AString Structures = a_IniFile.GetValueSet("Generator", "Structures", "Trees,MarbleCaves,OreNests");
+
+ AStringVector Str = StringSplit(Structures, ",");
+ for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr)
+ {
+ if (NoCaseCompare(*itr, "trees") == 0)
+ {
+ m_StructureGens.push_back(new cStructGenTrees(m_Seed, m_BiomeGen, m_HeightGen, m_CompositionGen));
+ }
+ else if (NoCaseCompare(*itr, "marblecaves") == 0)
+ {
+ m_StructureGens.push_back(new cStructGenMarbleCaves(m_Seed));
+ }
+ else if (NoCaseCompare(*itr, "orenests") == 0)
+ {
+ m_StructureGens.push_back(new cStructGenOreNests(m_Seed));
+ }
+ else
+ {
+ LOGWARNING("Unknown structure generator: \"%s\". Ignoring.", itr->c_str());
+ }
+ } // for itr - Str[]
+}
+
+
+
+
+
+void cChunkGenerator::InitFinishGens(cIniFile & a_IniFile)
+{
+ AString Structures = a_IniFile.GetValueSet("Generator", "Finishers", "SprinkleFoliage,Ice,Snow");
+
+ AStringVector Str = StringSplit(Structures, ",");
+ for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr)
+ {
+ if (NoCaseCompare(*itr, "SprinkleFoliage") == 0)
+ {
+ m_FinishGens.push_back(new cFinishGenSprinkleFoliage(m_Seed));
+ }
+ else if (NoCaseCompare(*itr, "Snow") == 0)
+ {
+ m_FinishGens.push_back(new cFinishGenSnow);
+ }
+ else if (NoCaseCompare(*itr, "Ice") == 0)
+ {
+ m_FinishGens.push_back(new cFinishGenIce);
+ }
+ } // for itr - Str[]
+}
+
+
+
+
+
+void cChunkGenerator::QueueGenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+{
+ {
+ cCSLock Lock(m_CS);
+
+ // Check if it is already in the queue:
+ for (cChunkCoordsList::iterator itr = m_Queue.begin(); itr != m_Queue.end(); ++itr)
+ {
+ if ((itr->m_ChunkX == a_ChunkX) && (itr->m_ChunkY == a_ChunkY) && (itr->m_ChunkZ == a_ChunkZ))
+ {
+ // Already in the queue, bail out
+ return;
+ }
+ } // for itr - m_Queue[]
+
+ // Add to queue, issue a warning if too many:
+ if (m_Queue.size() >= QUEUE_WARNING_LIMIT)
+ {
+ LOGWARN("WARNING: Adding chunk [%i, %i] to generation queue; Queue is too big! (%i)", a_ChunkX, a_ChunkZ, m_Queue.size());
+ }
+ m_Queue.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
+ }
+
+ m_Event.Set();
+}
+
+
+
+
+
+void cChunkGenerator::GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
+}
+
+
+
+
+
+void cChunkGenerator::WaitForQueueEmpty(void)
+{
+ cCSLock Lock(m_CS);
+ while (!m_ShouldTerminate && !m_Queue.empty())
+ {
+ cCSUnlock Unlock(Lock);
+ m_evtRemoved.Wait();
+ }
+}
+
+
+
+
+
+int cChunkGenerator::GetQueueLength(void)
+{
+ cCSLock Lock(m_CS);
+ return (int)m_Queue.size();
+}
+
+
+
+
+
+EMCSBiome cChunkGenerator::GetBiomeAt(int a_BlockX, int a_BlockZ)
+{
+ cChunkDef::BiomeMap Biomes;
+ int Y = 0;
+ int ChunkX, ChunkZ;
+ cWorld::AbsoluteToRelative(a_BlockX, Y, a_BlockZ, ChunkX, Y, ChunkZ);
+ m_BiomeGen->GenBiomes(ChunkX, ChunkZ, Biomes);
+ return cChunkDef::GetBiome(Biomes, a_BlockX, a_BlockZ);
+}
+
+
+
+
+
+void cChunkGenerator::Execute(void)
+{
+ while (!m_ShouldTerminate)
+ {
+ cCSLock Lock(m_CS);
+ while (m_Queue.size() == 0)
+ {
+ cCSUnlock Unlock(Lock);
+ m_Event.Wait();
+ if (m_ShouldTerminate)
+ {
+ return;
+ }
+ }
+
+ cChunkCoords coords = m_Queue.front(); // Get next coord from queue
+ m_Queue.erase( m_Queue.begin() ); // Remove coordinate from queue
+ bool SkipEnabled = (m_Queue.size() > QUEUE_SKIP_LIMIT);
+ Lock.Unlock(); // Unlock ASAP
+ m_evtRemoved.Set();
+
+ // Hack for regenerating chunks: if Y != 0, the chunk is considered invalid, even if it has its data set
+ if ((coords.m_ChunkY == 0) && m_World->IsChunkValid(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ))
+ {
+ LOGD("Chunk [%d, %d] already generated, skipping generation", coords.m_ChunkX, coords.m_ChunkZ);
+ // Already generated, ignore request
+ continue;
+ }
+
+ if (SkipEnabled && !m_World->HasChunkAnyClients(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ))
+ {
+ LOGWARNING("Chunk generator overloaded, skipping chunk [%d, %d, %d]", coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
+ continue;
+ }
+
+ LOGD("Generating chunk [%d, %d, %d]", coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
+ DoGenerate(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
+
+ // Save the chunk right after generating, so that we don't have to generate it again on next run
+ m_World->GetStorage().QueueSaveChunk(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
+ } // while (!bStop)
+}
+
+
+
+
+void cChunkGenerator::DoGenerate(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+{
+ cChunkDef::BiomeMap BiomeMap;
+ cChunkDef::BlockTypes BlockTypes;
+ cChunkDef::BlockNibbles BlockMeta;
+ cChunkDef::HeightMap HeightMap;
+ cEntityList Entities;
+ cBlockEntityList BlockEntities;
+
+ cLuaChunk LuaChunk( BlockTypes, BlockMeta, HeightMap, BiomeMap );
+ if( cRoot::Get()->GetPluginManager()->CallHook( cPluginManager::E_PLUGIN_CHUNK_GENERATING, 3, a_ChunkX, a_ChunkZ, &LuaChunk ) )
+ {
+ // A plugin interrupted generation, handle something plugin specific
+ if( LuaChunk.IsUsingDefaultBiomes() )
+ {
+ m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, BiomeMap);
+ }
+ if( LuaChunk.IsUsingDefaultComposition() )
+ {
+ m_CompositionGen->ComposeTerrain(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
+ }
+ if( LuaChunk.IsUsingDefaultStructures() )
+ {
+ for (cStructureGenList::iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr)
+ {
+ (*itr)->GenStructures(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, Entities, BlockEntities);
+ } // for itr - m_StructureGens[]
+ }
+ if( LuaChunk.IsUsingDefaultFinish() )
+ {
+ for (cFinishGenList::iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr)
+ {
+ (*itr)->GenFinish(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
+ } // for itr - m_FinishGens[]
+ }
+ }
+ else
+ {
+ // Use the composed generator:
+ m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, BiomeMap);
+ m_HeightGen->GenHeightMap(a_ChunkX, a_ChunkZ, HeightMap);
+ m_CompositionGen->ComposeTerrain(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
+ for (cStructureGenList::iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr)
+ {
+ (*itr)->GenStructures(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, Entities, BlockEntities);
+ } // for itr - m_StructureGens[]
+ for (cFinishGenList::iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr)
+ {
+ (*itr)->GenFinish(a_ChunkX, a_ChunkZ, BlockTypes, BlockMeta, HeightMap, BiomeMap, Entities, BlockEntities);
+ } // for itr - m_FinishGens[]
+ }
+
+ m_World->SetChunkData(
+ a_ChunkX, a_ChunkY, a_ChunkZ,
+ BlockTypes, BlockMeta,
+ NULL, NULL, // We don't have lighting, chunk will be lighted when needed
+ &HeightMap, &BiomeMap,
+ Entities, BlockEntities,
+ true
+ );
+
+ cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_CHUNK_GENERATED, 3, m_World, a_ChunkX, a_ChunkZ);
+}
+
+
+
+