flewkey/cuberite-2a
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Changed CubicNoiseXX to IntNoiseXX

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Added some comments
This commit is contained in:
STRWarrior 2014-07-20 22:43:31 +02:00
parent 76b79b51ad
commit a4470da876
2 changed files with 49 additions and 40 deletions
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63
src/Generating/FinishGen.cpp
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@ -166,38 +166,47 @@ void cFinishGenTallGrass::GenFinish(cChunkDesc & a_ChunkDesc)
{
for (int x = 0; x < cChunkDef::Width; x++)
{
float xx = (float) x + a_ChunkDesc.GetChunkX();
int xx = x + a_ChunkDesc.GetChunkX() * cChunkDef::Width;
for (int z = 0; z < cChunkDef::Width; z++)
{
float zz = (float) z + a_ChunkDesc.GetChunkZ();
float BiomeDensity = GetBiomeDensity(a_ChunkDesc.GetBiome(x, z));
if (m_Noise.CubicNoise2D(xx + m_Noise.CubicNoise1D(xx), zz + m_Noise.CubicNoise1D(zz)) < BiomeDensity)
int zz = z + a_ChunkDesc.GetChunkZ() * cChunkDef::Width;
int BiomeDensity = GetBiomeDensity(a_ChunkDesc.GetBiome(x, z));
// Choose if we want to place long grass here. If not then bail out.
if ((m_Noise.IntNoise2DInt(xx + m_Noise.IntNoise1DInt(xx), zz + m_Noise.IntNoise1DInt(zz)) / 7 % 100) > BiomeDensity)
{
for (int y = a_ChunkDesc.GetHeight(x, z) + 1; y >= 1; y--)
{
if (
(a_ChunkDesc.GetBlockType(x, y, z) == E_BLOCK_AIR) &&
((a_ChunkDesc.GetBlockType(x, y - 1, z) == E_BLOCK_GRASS) || (a_ChunkDesc.GetBlockType(x, y - 1, z) == E_BLOCK_DIRT))
continue;
}
for (int y = a_ChunkDesc.GetHeight(x, z) + 1; y >= 1; y--)
{
// Check if long grass can be placed.
if (
(a_ChunkDesc.GetBlockType(x, y, z) != E_BLOCK_AIR) ||
((a_ChunkDesc.GetBlockType(x, y - 1, z) != E_BLOCK_GRASS) && (a_ChunkDesc.GetBlockType(x, y - 1, z) != E_BLOCK_DIRT))
)
{
continue;
}
// Choose what long grass meta we should use.
int GrassType = m_Noise.IntNoise2DInt(xx * 50, zz * 50) / 7 % 100;
if (GrassType < 60)
{
a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 1);
}
else if (GrassType < 90)
{
a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 2);
}
else
{
// If double long grass we have to choose what type we should use.
if (a_ChunkDesc.GetBlockType(x, y + 1, z) == E_BLOCK_AIR)
{
float GrassType = m_Noise.CubicNoise2D(xx * 50, zz * 50);
if (GrassType < 0.2f)
{
a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 1);
}
else if (GrassType < 0.8f)
{
a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 2);
}
else
{
if (a_ChunkDesc.GetBlockType(x, y + 1, z) == E_BLOCK_AIR)
{
NIBBLETYPE Meta = m_Noise.CubicNoise2D(xx * 100, zz * 100) > -0.5f ? 2 : 3;
a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_BIG_FLOWER, Meta);
a_ChunkDesc.SetBlockTypeMeta(x, y + 1, z, E_BLOCK_BIG_FLOWER, 8);
}
}
NIBBLETYPE Meta = (m_Noise.IntNoise2DInt(xx * 100, zz * 100) / 7 % 100) > 25 ? 2 : 3;
a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_BIG_FLOWER, Meta);
a_ChunkDesc.SetBlockTypeMeta(x, y + 1, z, E_BLOCK_BIG_FLOWER, 8);
}
}
}

26
src/Generating/FinishGen.h
View File

@ -82,22 +82,22 @@ protected:
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
float GetBiomeDensity(EMCSBiome a_Biome)
int GetBiomeDensity(EMCSBiome a_Biome)
{
switch (a_Biome)
{
case biSavanna:
case biSavannaM:
case biSavannaPlateau:
case biSavannaPlateauM:
case biPlains:
{
return 0.4f;
}
default:
{
return -0.6f;
}
case biSavanna:
case biSavannaM:
case biSavannaPlateau:
case biSavannaPlateauM:
case biPlains:
{
return 70;
}
default:
{
return 20;
}
}
}
};