public static float GetValueAt(Vector3 worldPosition, Overworld.ScalarFieldType T)
{
Vector2 vec = new Vector2(worldPosition.X, worldPosition.Z) / PlayState.WorldScale;
return(Overworld.GetValue(Overworld.Map, new Vector2(MathFunctions.Clamp(vec.X, 0, Overworld.Map.GetLength(0) - 1),
MathFunctions.Clamp(vec.Y, 0, Overworld.Map.GetLength(1) - 1)), T));
}
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.GetValue(Overworld.Map, pos, 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 = 255;
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;
}
}
}
}
GenerateCaves(c);
GenerateWater(c);
GenerateLava(c);
c.ShouldRebuildWater = true;
return(c);
}