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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/BioGen.cpp
parentAdded HOOK_WEATHER_CHANGE. (diff)
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Diffstat (limited to 'source/BioGen.cpp')
-rw-r--r--source/BioGen.cpp586
1 files changed, 293 insertions, 293 deletions
diff --git a/source/BioGen.cpp b/source/BioGen.cpp
index e897e229d..8603a7452 100644
--- a/source/BioGen.cpp
+++ b/source/BioGen.cpp
@@ -1,293 +1,293 @@
-
-// BioGen.cpp
-
-// Implements the various biome generators
-
-#include "Globals.h"
-#include "BioGen.h"
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cBioGenConstant:
-
-void cBioGenConstant::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
-{
- for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
- {
- a_BiomeMap[i] = m_Biome;
- }
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cBioGenCache:
-
-cBioGenCache::cBioGenCache(cBiomeGen * a_BioGenToCache, int a_CacheSize) :
- m_BioGenToCache(a_BioGenToCache),
- m_CacheSize(a_CacheSize),
- m_CacheOrder(new int[a_CacheSize]),
- m_CacheData(new sCacheData[a_CacheSize]),
- m_NumHits(0),
- m_NumMisses(0),
- m_TotalChain(0)
-{
- for (int i = 0; i < m_CacheSize; i++)
- {
- m_CacheOrder[i] = i;
- m_CacheData[i].m_ChunkX = 0x7fffffff;
- m_CacheData[i].m_ChunkZ = 0x7fffffff;
- }
-}
-
-
-
-
-
-cBioGenCache::~cBioGenCache()
-{
- delete m_CacheData;
- delete m_CacheOrder;
- delete m_BioGenToCache;
-}
-
-
-
-
-
-void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
-{
- if (((m_NumHits + m_NumMisses) % 1024) == 10)
- {
- LOGD("BioGenCache: %d hits, %d misses, saved %.2f %%", m_NumHits, m_NumMisses, 100.0 * m_NumHits / (m_NumHits + m_NumMisses));
- LOGD("BioGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
- }
-
- for (int i = 0; i < m_CacheSize; i++)
- {
- if (
- (m_CacheData[m_CacheOrder[i]].m_ChunkX != a_ChunkX) ||
- (m_CacheData[m_CacheOrder[i]].m_ChunkZ != a_ChunkZ)
- )
- {
- continue;
- }
- // Found it in the cache
- int Idx = m_CacheOrder[i];
-
- // Move to front:
- for (int j = i; j > 0; j--)
- {
- m_CacheOrder[j] = m_CacheOrder[j - 1];
- }
- m_CacheOrder[0] = Idx;
-
- // Use the cached data:
- memcpy(a_BiomeMap, m_CacheData[Idx].m_BiomeMap, sizeof(a_BiomeMap));
-
- m_NumHits++;
- m_TotalChain += i;
- return;
- } // for i - cache
-
- // Not in the cache:
- m_NumMisses++;
- m_BioGenToCache->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
-
- // Insert it as the first item in the MRU order:
- int Idx = m_CacheOrder[m_CacheSize - 1];
- for (int i = m_CacheSize - 1; i > 0; i--)
- {
- m_CacheOrder[i] = m_CacheOrder[i - 1];
- } // for i - m_CacheOrder[]
- m_CacheOrder[0] = Idx;
- memcpy(m_CacheData[Idx].m_BiomeMap, a_BiomeMap, sizeof(a_BiomeMap));
- m_CacheData[Idx].m_ChunkX = a_ChunkX;
- m_CacheData[Idx].m_ChunkZ = a_ChunkZ;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cBiomeGenList:
-
-void cBiomeGenList::InitializeBiomes(const AString & a_Biomes)
-{
- AStringVector Split = StringSplit(a_Biomes, ",");
-
- // Convert each string in the list into biome:
- for (AStringVector::const_iterator itr = Split.begin(); itr != Split.end(); ++itr)
- {
- EMCSBiome Biome = StringToBiome(*itr);
- if (Biome != -1)
- {
- m_Biomes.push_back(Biome);
- }
- } // for itr - Split[]
- if (!m_Biomes.empty())
- {
- m_BiomesCount = (int)m_Biomes.size();
- return;
- }
-
- // There were no biomes, add default biomes:
- static EMCSBiome Biomes[] =
- {
- biOcean,
- biPlains,
- biDesert,
- biExtremeHills,
- biForest,
- biTaiga,
- biSwampland,
- biRiver,
- biFrozenOcean,
- biFrozenRiver,
- biIcePlains,
- biIceMountains,
- biMushroomIsland,
- biMushroomShore,
- biBeach,
- biDesertHills,
- biForestHills,
- biTaigaHills,
- biExtremeHillsEdge,
- biJungle,
- biJungleHills,
- } ;
- m_Biomes.reserve(ARRAYCOUNT(Biomes));
- for (int i = 0; i < ARRAYCOUNT(Biomes); i++)
- {
- m_Biomes.push_back(Biomes[i]);
- }
- m_BiomesCount = (int)m_Biomes.size();
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cBioGenCheckerboard:
-
-void cBioGenCheckerboard::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
-{
- for (int z = 0; z < cChunkDef::Width; z++)
- {
- int Base = cChunkDef::Width * a_ChunkZ + z;
- for (int x = 0; x < cChunkDef::Width; x++)
- {
- int Add = cChunkDef::Width * a_ChunkX + x;
- a_BiomeMap[x + cChunkDef::Width * z] = m_Biomes[(Base / m_BiomeSize + Add / m_BiomeSize) % m_BiomesCount];
- }
- }
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cBioGenVoronoi :
-
-void cBioGenVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
-{
- int BaseZ = cChunkDef::Width * a_ChunkZ;
- int BaseX = cChunkDef::Width * a_ChunkX;
- for (int z = 0; z < cChunkDef::Width; z++)
- {
- int AbsoluteZ = BaseZ + z;
- for (int x = 0; x < cChunkDef::Width; x++)
- {
- cChunkDef::SetBiome(a_BiomeMap, x, z, VoronoiBiome(BaseX + x, AbsoluteZ));
- } // for x
- } // for z
-}
-
-
-
-
-
-EMCSBiome cBioGenVoronoi::VoronoiBiome(int a_BlockX, int a_BlockZ)
-{
- int CellX = a_BlockX / m_CellSize;
- int CellZ = a_BlockZ / m_CellSize;
-
- // Note that Noise values need to be divided by 8 to gain a uniform modulo-2^n distribution
-
- // Get 5x5 neighboring cell seeds, compare distance to each. Return the biome in the minumim-distance cell
- double MinDist = m_CellSize * m_CellSize; // There has to be a cell closer than this
- EMCSBiome res = biPlains; // Will be overriden
- for (int x = CellX - 2; x <= CellX + 2; x++)
- {
- int BaseX = x * m_CellSize;
- for (int z = CellZ - 2; z < CellZ + 2; z++)
- {
- int OffsetX = (m_Noise.IntNoise3DInt(x, 16 * x + 32 * z, z) / 8) % m_CellSize;
- int OffsetZ = (m_Noise.IntNoise3DInt(x, 32 * x - 16 * z, z) / 8) % m_CellSize;
- int SeedX = BaseX + OffsetX;
- int SeedZ = z * m_CellSize + OffsetZ;
-
- double Dist = sqrt((double)((SeedX - a_BlockX) * (SeedX - a_BlockX) + (SeedZ - a_BlockZ) * (SeedZ - a_BlockZ)));
- if (Dist < MinDist)
- {
- MinDist = Dist;
- res = m_Biomes[(m_Noise.IntNoise3DInt(x, x - z + 1000, z) / 8) % m_BiomesCount];
- }
- } // for z
- } // for x
-
- return res;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cBioGenDistortedVoronoi:
-
-void cBioGenDistortedVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
-{
- int BaseZ = cChunkDef::Width * a_ChunkZ;
- int BaseX = cChunkDef::Width * a_ChunkX;
- for (int z = 0; z < cChunkDef::Width; z++)
- {
- int AbsoluteZ = BaseZ + z;
- for (int x = 0; x < cChunkDef::Width; x++)
- {
- int DistX, DistZ;
- Distort(BaseX + x, AbsoluteZ, DistX, DistZ);
- cChunkDef::SetBiome(a_BiomeMap, x, z, VoronoiBiome(DistX, DistZ));
- } // for x
- } // for z
-}
-
-
-
-
-
-void cBioGenDistortedVoronoi::Distort(int a_BlockX, int a_BlockZ, int & a_DistortedX, int & a_DistortedZ)
-{
- double NoiseX = m_Noise.CubicNoise3D((float)a_BlockX / m_CellSize, (float)a_BlockZ / m_CellSize, 1000);
- NoiseX += 0.5 * m_Noise.CubicNoise3D(2 * (float)a_BlockX / m_CellSize, 2 * (float)a_BlockZ / m_CellSize, 2000);
- NoiseX += 0.08 * m_Noise.CubicNoise3D(16 * (float)a_BlockX / m_CellSize, 16 * (float)a_BlockZ / m_CellSize, 3000);
- double NoiseZ = m_Noise.CubicNoise3D((float)a_BlockX / m_CellSize, (float)a_BlockZ / m_CellSize, 4000);
- NoiseZ += 0.5 * m_Noise.CubicNoise3D(2 * (float)a_BlockX / m_CellSize, 2 * (float)a_BlockZ / m_CellSize, 5000);
- NoiseZ += 0.08 * m_Noise.CubicNoise3D(16 * (float)a_BlockX / m_CellSize, 16 * (float)a_BlockZ / m_CellSize, 6000);
-
- a_DistortedX = a_BlockX + (int)(m_CellSize * 0.5 * NoiseX);
- a_DistortedZ = a_BlockZ + (int)(m_CellSize * 0.5 * NoiseZ);
-}
-
-
-
-
-
+
+// BioGen.cpp
+
+// Implements the various biome generators
+
+#include "Globals.h"
+#include "BioGen.h"
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBioGenConstant:
+
+void cBioGenConstant::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
+ {
+ a_BiomeMap[i] = m_Biome;
+ }
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBioGenCache:
+
+cBioGenCache::cBioGenCache(cBiomeGen * a_BioGenToCache, int a_CacheSize) :
+ m_BioGenToCache(a_BioGenToCache),
+ m_CacheSize(a_CacheSize),
+ m_CacheOrder(new int[a_CacheSize]),
+ m_CacheData(new sCacheData[a_CacheSize]),
+ m_NumHits(0),
+ m_NumMisses(0),
+ m_TotalChain(0)
+{
+ for (int i = 0; i < m_CacheSize; i++)
+ {
+ m_CacheOrder[i] = i;
+ m_CacheData[i].m_ChunkX = 0x7fffffff;
+ m_CacheData[i].m_ChunkZ = 0x7fffffff;
+ }
+}
+
+
+
+
+
+cBioGenCache::~cBioGenCache()
+{
+ delete m_CacheData;
+ delete m_CacheOrder;
+ delete m_BioGenToCache;
+}
+
+
+
+
+
+void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ if (((m_NumHits + m_NumMisses) % 1024) == 10)
+ {
+ LOGD("BioGenCache: %d hits, %d misses, saved %.2f %%", m_NumHits, m_NumMisses, 100.0 * m_NumHits / (m_NumHits + m_NumMisses));
+ LOGD("BioGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
+ }
+
+ for (int i = 0; i < m_CacheSize; i++)
+ {
+ if (
+ (m_CacheData[m_CacheOrder[i]].m_ChunkX != a_ChunkX) ||
+ (m_CacheData[m_CacheOrder[i]].m_ChunkZ != a_ChunkZ)
+ )
+ {
+ continue;
+ }
+ // Found it in the cache
+ int Idx = m_CacheOrder[i];
+
+ // Move to front:
+ for (int j = i; j > 0; j--)
+ {
+ m_CacheOrder[j] = m_CacheOrder[j - 1];
+ }
+ m_CacheOrder[0] = Idx;
+
+ // Use the cached data:
+ memcpy(a_BiomeMap, m_CacheData[Idx].m_BiomeMap, sizeof(a_BiomeMap));
+
+ m_NumHits++;
+ m_TotalChain += i;
+ return;
+ } // for i - cache
+
+ // Not in the cache:
+ m_NumMisses++;
+ m_BioGenToCache->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
+
+ // Insert it as the first item in the MRU order:
+ int Idx = m_CacheOrder[m_CacheSize - 1];
+ for (int i = m_CacheSize - 1; i > 0; i--)
+ {
+ m_CacheOrder[i] = m_CacheOrder[i - 1];
+ } // for i - m_CacheOrder[]
+ m_CacheOrder[0] = Idx;
+ memcpy(m_CacheData[Idx].m_BiomeMap, a_BiomeMap, sizeof(a_BiomeMap));
+ m_CacheData[Idx].m_ChunkX = a_ChunkX;
+ m_CacheData[Idx].m_ChunkZ = a_ChunkZ;
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBiomeGenList:
+
+void cBiomeGenList::InitializeBiomes(const AString & a_Biomes)
+{
+ AStringVector Split = StringSplit(a_Biomes, ",");
+
+ // Convert each string in the list into biome:
+ for (AStringVector::const_iterator itr = Split.begin(); itr != Split.end(); ++itr)
+ {
+ EMCSBiome Biome = StringToBiome(*itr);
+ if (Biome != -1)
+ {
+ m_Biomes.push_back(Biome);
+ }
+ } // for itr - Split[]
+ if (!m_Biomes.empty())
+ {
+ m_BiomesCount = (int)m_Biomes.size();
+ return;
+ }
+
+ // There were no biomes, add default biomes:
+ static EMCSBiome Biomes[] =
+ {
+ biOcean,
+ biPlains,
+ biDesert,
+ biExtremeHills,
+ biForest,
+ biTaiga,
+ biSwampland,
+ biRiver,
+ biFrozenOcean,
+ biFrozenRiver,
+ biIcePlains,
+ biIceMountains,
+ biMushroomIsland,
+ biMushroomShore,
+ biBeach,
+ biDesertHills,
+ biForestHills,
+ biTaigaHills,
+ biExtremeHillsEdge,
+ biJungle,
+ biJungleHills,
+ } ;
+ m_Biomes.reserve(ARRAYCOUNT(Biomes));
+ for (int i = 0; i < ARRAYCOUNT(Biomes); i++)
+ {
+ m_Biomes.push_back(Biomes[i]);
+ }
+ m_BiomesCount = (int)m_Biomes.size();
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBioGenCheckerboard:
+
+void cBioGenCheckerboard::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ int Base = cChunkDef::Width * a_ChunkZ + z;
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ int Add = cChunkDef::Width * a_ChunkX + x;
+ a_BiomeMap[x + cChunkDef::Width * z] = m_Biomes[(Base / m_BiomeSize + Add / m_BiomeSize) % m_BiomesCount];
+ }
+ }
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBioGenVoronoi :
+
+void cBioGenVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ int BaseZ = cChunkDef::Width * a_ChunkZ;
+ int BaseX = cChunkDef::Width * a_ChunkX;
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ int AbsoluteZ = BaseZ + z;
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ cChunkDef::SetBiome(a_BiomeMap, x, z, VoronoiBiome(BaseX + x, AbsoluteZ));
+ } // for x
+ } // for z
+}
+
+
+
+
+
+EMCSBiome cBioGenVoronoi::VoronoiBiome(int a_BlockX, int a_BlockZ)
+{
+ int CellX = a_BlockX / m_CellSize;
+ int CellZ = a_BlockZ / m_CellSize;
+
+ // Note that Noise values need to be divided by 8 to gain a uniform modulo-2^n distribution
+
+ // Get 5x5 neighboring cell seeds, compare distance to each. Return the biome in the minumim-distance cell
+ double MinDist = m_CellSize * m_CellSize; // There has to be a cell closer than this
+ EMCSBiome res = biPlains; // Will be overriden
+ for (int x = CellX - 2; x <= CellX + 2; x++)
+ {
+ int BaseX = x * m_CellSize;
+ for (int z = CellZ - 2; z < CellZ + 2; z++)
+ {
+ int OffsetX = (m_Noise.IntNoise3DInt(x, 16 * x + 32 * z, z) / 8) % m_CellSize;
+ int OffsetZ = (m_Noise.IntNoise3DInt(x, 32 * x - 16 * z, z) / 8) % m_CellSize;
+ int SeedX = BaseX + OffsetX;
+ int SeedZ = z * m_CellSize + OffsetZ;
+
+ double Dist = sqrt((double)((SeedX - a_BlockX) * (SeedX - a_BlockX) + (SeedZ - a_BlockZ) * (SeedZ - a_BlockZ)));
+ if (Dist < MinDist)
+ {
+ MinDist = Dist;
+ res = m_Biomes[(m_Noise.IntNoise3DInt(x, x - z + 1000, z) / 8) % m_BiomesCount];
+ }
+ } // for z
+ } // for x
+
+ return res;
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBioGenDistortedVoronoi:
+
+void cBioGenDistortedVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ int BaseZ = cChunkDef::Width * a_ChunkZ;
+ int BaseX = cChunkDef::Width * a_ChunkX;
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ int AbsoluteZ = BaseZ + z;
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ int DistX, DistZ;
+ Distort(BaseX + x, AbsoluteZ, DistX, DistZ);
+ cChunkDef::SetBiome(a_BiomeMap, x, z, VoronoiBiome(DistX, DistZ));
+ } // for x
+ } // for z
+}
+
+
+
+
+
+void cBioGenDistortedVoronoi::Distort(int a_BlockX, int a_BlockZ, int & a_DistortedX, int & a_DistortedZ)
+{
+ double NoiseX = m_Noise.CubicNoise3D((float)a_BlockX / m_CellSize, (float)a_BlockZ / m_CellSize, 1000);
+ NoiseX += 0.5 * m_Noise.CubicNoise3D(2 * (float)a_BlockX / m_CellSize, 2 * (float)a_BlockZ / m_CellSize, 2000);
+ NoiseX += 0.08 * m_Noise.CubicNoise3D(16 * (float)a_BlockX / m_CellSize, 16 * (float)a_BlockZ / m_CellSize, 3000);
+ double NoiseZ = m_Noise.CubicNoise3D((float)a_BlockX / m_CellSize, (float)a_BlockZ / m_CellSize, 4000);
+ NoiseZ += 0.5 * m_Noise.CubicNoise3D(2 * (float)a_BlockX / m_CellSize, 2 * (float)a_BlockZ / m_CellSize, 5000);
+ NoiseZ += 0.08 * m_Noise.CubicNoise3D(16 * (float)a_BlockX / m_CellSize, 16 * (float)a_BlockZ / m_CellSize, 6000);
+
+ a_DistortedX = a_BlockX + (int)(m_CellSize * 0.5 * NoiseX);
+ a_DistortedZ = a_BlockZ + (int)(m_CellSize * 0.5 * NoiseZ);
+}
+
+
+
+
+