public VoxelChunk GenerateChunk(Vector3 origin, WorldManager World, float maxHeight)
{
float waterHeight = NormalizeHeight(SeaLevel + 1.0f / VoxelConstants.ChunkSizeY, maxHeight);
VoxelChunk c = new VoxelChunk(Manager, origin, GlobalVoxelCoordinate.FromVector3(origin).GetGlobalChunkCoordinate());
for (int x = 0; x < VoxelConstants.ChunkSizeX; x++)
{
for (int z = 0; z < VoxelConstants.ChunkSizeZ; z++)
{
Vector2 v = Overworld.WorldToOverworld(new Vector2(x + origin.X, z + origin.Z), World.WorldScale, World.WorldOrigin);
var biome = Overworld.Map[(int)MathFunctions.Clamp(v.X, 0, Overworld.Map.GetLength(0) - 1), (int)MathFunctions.Clamp(v.Y, 0, Overworld.Map.GetLength(1) - 1)].Biome;
BiomeData biomeData = BiomeLibrary.Biomes[biome];
Vector2 pos = Overworld.WorldToOverworld(new Vector2(x + origin.X, z + origin.Z), World.WorldScale, World.WorldOrigin);
float hNorm = NormalizeHeight(Overworld.LinearInterpolate(pos, Overworld.Map, Overworld.ScalarFieldType.Height), maxHeight);
float h = MathFunctions.Clamp(hNorm * VoxelConstants.ChunkSizeY, 0.0f, VoxelConstants.ChunkSizeY - 2);
int stoneHeight = (int)(MathFunctions.Clamp((int)(h - (biomeData.SoilLayer.Depth + (Math.Sin(v.X) + Math.Cos(v.Y)))), 1, h));
int currentSubsurfaceLayer = 0;
int depthWithinSubsurface = 0;
for (int y = VoxelConstants.ChunkSizeY - 1; y >= 0; y--)
{
var voxel = new VoxelHandle(c, new LocalVoxelCoordinate(x, y, z));
if (y == 0)
{
voxel.RawSetType(VoxelLibrary.GetVoxelType("Bedrock"));
continue;
}
if (y <= stoneHeight && stoneHeight > 1)
{
voxel.RawSetType(VoxelLibrary.GetVoxelType(biomeData.SubsurfaceLayers[currentSubsurfaceLayer].VoxelType));
depthWithinSubsurface++;
if (depthWithinSubsurface > biomeData.SubsurfaceLayers[currentSubsurfaceLayer].Depth)
{
depthWithinSubsurface = 0;
currentSubsurfaceLayer++;
if (currentSubsurfaceLayer > biomeData.SubsurfaceLayers.Count - 1)
{
currentSubsurfaceLayer = biomeData.SubsurfaceLayers.Count - 1;
}
}
}
else if ((y == (int)h || y == stoneHeight) && hNorm > waterHeight)
{
if (biomeData.ClumpGrass &&
NoiseGenerator.Noise(pos.X / biomeData.ClumpSize, 0, pos.Y / biomeData.ClumpSize) >
biomeData.ClumpTreshold)
{
voxel.RawSetType(VoxelLibrary.GetVoxelType(biomeData.SoilLayer.VoxelType));
if (!String.IsNullOrEmpty(biomeData.GrassDecal))
{
var decal = GrassLibrary.GetGrassType(biomeData.GrassDecal);
voxel.RawSetGrass(decal.ID);
}
}
else if (!biomeData.ClumpGrass)
{
voxel.RawSetType(VoxelLibrary.GetVoxelType(biomeData.SoilLayer.VoxelType));
if (!String.IsNullOrEmpty(biomeData.GrassDecal))
{
var decal = GrassLibrary.GetGrassType(biomeData.GrassDecal);
voxel.RawSetGrass(decal.ID);
}
}
else
{
voxel.RawSetType(VoxelLibrary.GetVoxelType(biomeData.SoilLayer.VoxelType));
}
}
else if (y > h && y > 0)
{
voxel.RawSetType(VoxelLibrary.emptyType);
}
else if (hNorm <= waterHeight)
{
voxel.RawSetType(VoxelLibrary.GetVoxelType(biomeData.ShoreVoxel));
}
else
{
voxel.RawSetType(VoxelLibrary.GetVoxelType(biomeData.SoilLayer.VoxelType));
}
}
}
}
return(c);
}
public VoxelChunk GenerateChunk(Vector3 origin, int chunkSizeX, int chunkSizeY, int chunkSizeZ, ComponentManager components, ContentManager content, GraphicsDevice graphics)
{
float waterHeight = SeaLevel;
VoxelChunk c = new VoxelChunk(Manager, origin, 1,
Manager.ChunkData.GetChunkID(origin + new Vector3(0.5f, 0.5f, 0.5f)), chunkSizeX, chunkSizeY, chunkSizeZ)
{
ShouldRebuild = true,
ShouldRecalculateLighting = true
};
Voxel voxel = c.MakeVoxel(0, 0, 0);
for (int x = 0; x < chunkSizeX; x++)
{
for (int z = 0; z < chunkSizeZ; z++)
{
Vector2 v = new Vector2(x + origin.X, z + origin.Z) / PlayState.WorldScale;
Overworld.Biome biome = Overworld.Map[(int)MathFunctions.Clamp(v.X, 0, Overworld.Map.GetLength(0) - 1), (int)MathFunctions.Clamp(v.Y, 0, Overworld.Map.GetLength(1) - 1)].Biome;
BiomeData biomeData = BiomeLibrary.Biomes[biome];
Vector2 pos = new Vector2(x + origin.X, z + origin.Z) / PlayState.WorldScale;
float hNorm = Overworld.LinearInterpolate(pos, Overworld.Map, Overworld.ScalarFieldType.Height);
float h = MathFunctions.Clamp(hNorm * chunkSizeY, 0.0f, chunkSizeY - 2);
int stoneHeight = (int)Math.Max(h - 2, 1);
for (int y = 0; y < chunkSizeY; y++)
{
voxel.GridPosition = new Vector3(x, y, z);
if (y == 0)
{
voxel.Type = VoxelLibrary.GetVoxelType("Bedrock");
voxel.Health = 8;
continue;
}
if (y <= stoneHeight && stoneHeight > 1)
{
voxel.Type = VoxelLibrary.GetVoxelType(biomeData.SubsurfVoxel);
voxel.Health = VoxelLibrary.GetVoxelType(biomeData.SubsurfVoxel).StartingHealth;
}
else if ((y == (int)h || y == stoneHeight) && hNorm > waterHeight)
{
if (biomeData.ClumpGrass &&
NoiseGenerator.Noise(pos.X / biomeData.ClumpSize, 0, pos.Y / biomeData.ClumpSize) >
biomeData.ClumpTreshold)
{
voxel.Type = VoxelLibrary.GetVoxelType(biomeData.GrassVoxel);
voxel.Health = VoxelLibrary.GetVoxelType(biomeData.GrassVoxel).StartingHealth;
}
else if (!biomeData.ClumpGrass)
{
voxel.Type = VoxelLibrary.GetVoxelType(biomeData.GrassVoxel);
voxel.Health = VoxelLibrary.GetVoxelType(biomeData.GrassVoxel).StartingHealth;
}
else
{
voxel.Type = VoxelLibrary.GetVoxelType(biomeData.SoilVoxel);
voxel.Health = VoxelLibrary.GetVoxelType(biomeData.SoilVoxel).StartingHealth;
}
}
else if (y > h && y > 0)
{
voxel.Type = VoxelLibrary.GetVoxelType("empty");
}
else if (hNorm < waterHeight)
{
voxel.Type = VoxelLibrary.GetVoxelType(biomeData.ShoreVoxel);
voxel.Health = VoxelLibrary.GetVoxelType(biomeData.ShoreVoxel).StartingHealth;
}
else
{
voxel.Type = VoxelLibrary.GetVoxelType(biomeData.SoilVoxel);
voxel.Health = VoxelLibrary.GetVoxelType(biomeData.SoilVoxel).StartingHealth;
}
}
}
}
GenerateWater(c);
GenerateLava(c);
GenerateCaves(c);
//GenerateAquifers(c);
//GenerateLavaTubes(c);
c.ShouldRecalculateLighting = true;
c.ShouldRebuildWater = true;
return(c);
}