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Added a new cave generator: DualRidgeCaves ( somewhat like http://www.gamedev.net/blog/33/entry-2227887-more-on-minecraft-type-world-gen/ )

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@694 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com
2012-07-22 18:51:38 +00:00
parent a8ff9f511f
commit 3f30d5dfd2
8 changed files with 514 additions and 91 deletions
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66
source/StructGen.cpp
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@@ -295,72 +295,6 @@ int cStructGenTrees::GetNumTrees(
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cStructGenMarbleCaves:
static float GetMarbleNoise( float x, float y, float z, cNoise & a_Noise )
{
static const float PI_2 = 1.57079633f;
float oct1 = (a_Noise.CubicNoise3D(x * 0.1f, y * 0.1f, z * 0.1f )) * 4;
oct1 = oct1 * oct1 * oct1;
if (oct1 < 0.f) oct1 = PI_2;
if (oct1 > PI_2) oct1 = PI_2;
return oct1;
}
void cStructGenMarbleCaves::GenStructures(
int a_ChunkX, int a_ChunkZ,
cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
cEntityList & a_Entities, // Entities may be added or deleted
cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
)
{
cNoise Noise(m_Seed);
for (int z = 0; z < cChunkDef::Width; z++)
{
const float zz = (float)(a_ChunkZ * cChunkDef::Width + z);
for (int x = 0; x < cChunkDef::Width; x++)
{
const float xx = (float)(a_ChunkX * cChunkDef::Width + x);
int Top = cChunkDef::GetHeight(a_HeightMap, x, z);
for (int y = 1; y < Top; ++y )
{
if (cChunkDef::GetBlock(a_BlockTypes, x, y, z) != E_BLOCK_STONE)
{
continue;
}
const float yy = (float)y;
const float WaveNoise = 1;
if (cosf(GetMarbleNoise(xx, yy * 0.5f, zz, Noise)) * fabs(cosf(yy * 0.2f + WaveNoise * 2) * 0.75f + WaveNoise) > 0.0005f)
{
if (y > 4)
{
cChunkDef::SetBlock(a_BlockTypes, x, y, z, E_BLOCK_AIR);
}
else
{
cChunkDef::SetBlock(a_BlockTypes, x, y, z, E_BLOCK_STATIONARY_LAVA);
}
}
} // for y
} // for x
} // for z
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cStructGenOreNests: