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Mountain height gen: Added ditches.

This commit is contained in:
Mattes D 2014-10-19 14:35:49 +02:00
parent e0cfbc4d85
commit 3ee47df118
2 changed files with 16 additions and 8 deletions
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21
src/Generating/HeiGen.cpp
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@ -317,7 +317,9 @@ void cHeiGenClassic::InitializeHeightGen(cIniFile & a_IniFile)
cHeiGenMountains::cHeiGenMountains(int a_Seed) :
m_Seed(a_Seed),
m_Noise(a_Seed)
m_MountainNoise(a_Seed + 100),
m_DitchNoise(a_Seed + 200),
m_Perlin(a_Seed + 300)
{
}
@ -332,9 +334,11 @@ void cHeiGenMountains::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Heigh
NOISE_DATATYPE StartZ = (NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width);
NOISE_DATATYPE EndZ = (NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width + cChunkDef::Width - 1);
NOISE_DATATYPE Workspace[16 * 16];
NOISE_DATATYPE Noise[16 * 16];
NOISE_DATATYPE MountainNoise[16 * 16];
NOISE_DATATYPE DitchNoise[16 * 16];
NOISE_DATATYPE PerlinNoise[16 * 16];
m_Noise.Generate2D(Noise, 16, 16, StartX, EndX, StartZ, EndZ, Workspace);
m_MountainNoise.Generate2D(MountainNoise, 16, 16, StartX, EndX, StartZ, EndZ, Workspace);
m_DitchNoise.Generate2D(DitchNoise, 16, 16, StartX, EndX, StartZ, EndZ, Workspace);
m_Perlin.Generate2D(PerlinNoise, 16, 16, StartX, EndX, StartZ, EndZ, Workspace);
for (int z = 0; z < cChunkDef::Width; z++)
{
@ -342,7 +346,7 @@ void cHeiGenMountains::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Heigh
for (int x = 0; x < cChunkDef::Width; x++)
{
int idx = IdxZ + x;
int hei = 100 - (int)((Noise[idx] + PerlinNoise[idx]) * 15);
int hei = 100 - (int)((MountainNoise[idx] - DitchNoise[idx] + PerlinNoise[idx]) * 15);
if (hei < 10)
{
hei = 10;
@ -363,9 +367,12 @@ void cHeiGenMountains::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Heigh
void cHeiGenMountains::InitializeHeightGen(cIniFile & a_IniFile)
{
// TODO: Read the params from an INI file
m_Noise.AddOctave(0.1f, 0.1f);
m_Noise.AddOctave(0.05f, 0.5f);
m_Noise.AddOctave(0.02f, 1.5f);
m_MountainNoise.AddOctave(0.1f, 0.2f);
m_MountainNoise.AddOctave(0.05f, 0.4f);
m_MountainNoise.AddOctave(0.02f, 1.0f);
m_DitchNoise.AddOctave(0.1f, 0.2f);
m_DitchNoise.AddOctave(0.05f, 0.4f);
m_DitchNoise.AddOctave(0.02f, 1.0f);
m_Perlin.AddOctave(0.01f, 1.5f);
}

3
src/Generating/HeiGen.h
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@ -115,7 +115,8 @@ public:
protected:
int m_Seed;
cRidgedMultiNoise m_Noise;
cRidgedMultiNoise m_MountainNoise;
cRidgedMultiNoise m_DitchNoise;
cPerlinNoise m_Perlin;
// cTerrainHeightGen overrides: