public void GenerateCaves(VoxelChunk chunk)
{
Vector3 origin = chunk.Origin;
int chunkSizeX = chunk.SizeX;
int chunkSizeY = chunk.SizeY;
int chunkSizeZ = chunk.SizeZ;
BiomeData biome = BiomeLibrary.Biomes[Overworld.Biome.Cave];
List <Voxel> neighbors = new List <Voxel>();
Voxel vUnder = chunk.MakeVoxel(0, 0, 0);
for (int x = 0; x < chunkSizeX; x++)
{
for (int z = 0; z < chunkSizeZ; z++)
{
int h = chunk.GetFilledVoxelGridHeightAt(x, chunk.SizeY - 1, z);
for (int i = 0; i < CaveLevels.Count; i++)
{
int y = CaveLevels[i];
if (y <= 0 || y >= h - 1)
{
continue;
}
Vector3 vec = new Vector3(x, y, z) + chunk.Origin;
double caveNoise = CaveNoise.GetValue((x + origin.X) * CaveNoiseScale * CaveFrequencies[i],
(y + origin.Y) * CaveNoiseScale * 3.0f, (z + origin.Z) * CaveNoiseScale * CaveFrequencies[i]);
double heightnoise = NoiseGenerator.Noise((x + origin.X) * NoiseScale * CaveFrequencies[i],
(y + origin.Y) * NoiseScale * 3.0f, (z + origin.Z) * NoiseScale * CaveFrequencies[i]);
int caveHeight = Math.Min(Math.Max((int)(heightnoise * 5), 1), 3);
if (caveNoise > CaveSize)
{
bool waterFound = false;
for (int dy = 0; dy < caveHeight; dy++)
{
int index = chunk.Data.IndexAt(x, y - dy, z);
chunk.GetNeighborsManhattan(x, y - dy, z, neighbors);
if (neighbors.Any(v => v.WaterLevel > 0))
{
waterFound = true;
}
if (waterFound)
{
break;
}
chunk.Data.Types[index] = 0;
}
if (!waterFound && caveNoise > CaveSize * 1.8f && y - caveHeight > 0)
{
int indexunder = chunk.Data.IndexAt(x, y - caveHeight, z);
chunk.Data.Types[indexunder] = (byte)VoxelLibrary.GetVoxelType(biome.GrassVoxel).ID;
chunk.Data.Health[indexunder] = (byte)VoxelLibrary.GetVoxelType(biome.GrassVoxel).StartingHealth;
chunk.Data.IsExplored[indexunder] = false;
foreach (VegetationData veg in biome.Vegetation)
{
if (!MathFunctions.RandEvent(veg.SpawnProbability))
{
continue;
}
if (NoiseGenerator.Noise(vec.X / veg.ClumpSize, veg.NoiseOffset, vec.Y / veg.ClumpSize) < veg.ClumpThreshold)
{
continue;
}
vUnder.GridPosition = new Vector3(x, y - 1, z);
if (!vUnder.IsEmpty && vUnder.TypeName == biome.GrassVoxel)
{
vUnder.Type = VoxelLibrary.GetVoxelType(biome.SoilVoxel);
float offset = veg.VerticalOffset;
if (vUnder.RampType != RampType.None)
{
offset -= 0.25f;
}
float treeSize = MathFunctions.Rand() * veg.SizeVariance + veg.MeanSize;
GameComponent entity = EntityFactory.CreateEntity <GameComponent>(veg.Name, chunk.Origin + new Vector3(x, y, z) + new Vector3(0, treeSize * offset, 0), Blackboard.Create("Scale", treeSize));
entity.GetRootComponent().SetActiveRecursive(false);
entity.GetRootComponent().SetVisibleRecursive(false);
if (GameSettings.Default.FogofWar)
{
ExploredListener listener = new ExploredListener(
PlayState.ComponentManager, entity, PlayState.ChunkManager, vUnder);
}
}
}
}
foreach (FaunaData animal in biome.Fauna)
{
if (y <= 0 || !(PlayState.Random.NextDouble() < animal.SpawnProbability))
{
continue;
}
var entity = EntityFactory.CreateEntity <GameComponent>(animal.Name, chunk.Origin + new Vector3(x, y, z) + Vector3.Up * 1.0f);
entity.GetRootComponent().SetActiveRecursive(false);
entity.GetRootComponent().SetVisibleRecursive(false);
if (GameSettings.Default.FogofWar)
{
ExploredListener listener = new ExploredListener(PlayState.ComponentManager, entity,
PlayState.ChunkManager, chunk.MakeVoxel(x, y, z));
}
break;
}
}
}
}
}
}
