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Noise3D: Shifted to normal groundlevel, added water on sealevel 

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1416 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com 2013-04-27 14:47:59 +00:00
parent 03551b034f
commit ead418967f
1 changed files with 17 additions and 2 deletions
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19
source/Generating/Noise3DGenerator.cpp
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@ -55,18 +55,23 @@ void cNoise3DGenerator::GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::Bi
void cNoise3DGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_ChunkDesc)
{
// Parameters, TODO: Make some settable in the INI file
const int INTERPOL_X = 8;
const int INTERPOL_Y = 4;
const int INTERPOL_Z = 8;
const NOISE_DATATYPE FrequencyX = 20;
const NOISE_DATATYPE FrequencyY = 20;
const NOISE_DATATYPE FrequencyZ = 20;
const NOISE_DATATYPE MidPoint = 75; // Where the vertical "center" of the noise should be
const NOISE_DATATYPE AirThreshold = (NOISE_DATATYPE)0.5;
const int SeaLevel = 62;
NOISE_DATATYPE Noise[257 * 17 * 17]; // x + 17 * z + 17 * 17 * y
int idx = 0;
for (int y = 0; y < 257; y += INTERPOL_Y)
{
NOISE_DATATYPE NoiseY = ((NOISE_DATATYPE)y) / FrequencyY;
NOISE_DATATYPE AddHeight = NoiseY - ((NOISE_DATATYPE)128 / FrequencyY);
NOISE_DATATYPE AddHeight = NoiseY - (MidPoint / FrequencyY);
AddHeight *= AddHeight * AddHeight * AddHeight * AddHeight;
NOISE_DATATYPE * CurFloor = &(Noise[y * 17 * 17]);
for (int z = 0; z < 17; z += INTERPOL_Z)
@ -159,7 +164,17 @@ void cNoise3DGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_Ch
int idx = y * 17 * 17 + z * 17;
for (int x = 0; x < cChunkDef::Width; x++)
{
a_ChunkDesc.SetBlockType(x, y, z, (Noise[idx++] > 0.5) ? E_BLOCK_AIR : E_BLOCK_STONE);
NOISE_DATATYPE n = Noise[idx++];
BLOCKTYPE BlockType;
if (n > AirThreshold)
{
BlockType = (y > SeaLevel) ? E_BLOCK_AIR : E_BLOCK_STATIONARY_WATER;
}
else
{
BlockType = E_BLOCK_STONE;
}
a_ChunkDesc.SetBlockType(x, y, z, BlockType);
}
}
}