protected override void generateTerrain(Region chunk, int x, int z, int blockX, int blockZ, int worldDepthInBlocks)
{
int groundHeight = (int)GetBlockNoise(blockX, blockZ);
if (groundHeight < 1)
{
groundHeight = 1;
}
else if (groundHeight > 128)
{
groundHeight = 96;
}
// Default to sunlit.. for caves
bool sunlit = true;
BlockType BlockType = BlockType.None;
chunk.Blocks[x, groundHeight, z] = BlockType.Grass;
chunk.Blocks[x, 0, z] = BlockType.Dirt;
for (int y = worldDepthInBlocks - 1; y > 0; y--)
{
if (y > groundHeight)
{
BlockType = BlockType.None;
}
// Or we at or below ground height?
else if (y < groundHeight)
{
// Since we are at or below ground height, let's see if we need
// to make
// a cave
int noiseX = (blockX + WorldSettings.SEED);
float octave1 = PerlinSimplexNoise.noise(noiseX * 0.009f, blockZ * 0.009f, y * 0.009f) * 0.25f;
float initialNoise = octave1 + PerlinSimplexNoise.noise(noiseX * 0.04f, blockZ * 0.04f, y * 0.04f) * 0.15f;
initialNoise += PerlinSimplexNoise.noise(noiseX * 0.08f, blockZ * 0.08f, y * 0.08f) * 0.05f;
if (initialNoise > 0.2f)
{
BlockType = BlockType.None;
}
else
{
// We've placed a block of dirt instead...nothing below us
// will be sunlit
if (sunlit)
{
sunlit = false;
BlockType = BlockType.Grass;
//chunk.addGrassBlock(x,y,z);
}
else
{
BlockType = BlockType.Dirt;
if (octave1 < 0.2f)
{
BlockType = BlockType.Rock;
}
}
}
}
chunk.AddBlock(x, y, z, BlockType);
}
}